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Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers SCIE
期刊论文 | 2025 , 328 | POLYMER
Abstract&Keyword Cite Version(2)

Abstract :

Antistatic nylon-6 (PA6) composites have attracted considerable attention due to their tailored properties for electronics, textiles, and automotive applications. In this paper, the antistatic PA6 composites comprising with polypropylene (PP), aminated multi-walled carbon nanotubes (MWCNTs-NH2) and aminated carbon black (CB-NH2) were prepared by melt blending and compression molding. In the composite system, PP was used as the co-matrix to assist the phase separation of PA6. MWCNTs-NH2 and CB-NH2 were introduced as conductive fillers. All composites showed good thermal stability with the T5 % higher than 376 degrees C and the composites containing fillers showed higher residues after thermal degradation due to the good thermal stability of MWCNTs-NH2 and CB-NH2. The DSC and XRD results indicated that the crystallization properties of the composite materials were determined by PA6 and PP rather the conductive fillers. In general, the introduction of conductive fillers decreased the mechanical properties but effectively improved the conductivity of the composites and then the antistatic properties. Besides, the antistatic analysis and mechanical test denoted that MWCNTs-NH2 and CB-NH2 showed synergistic effect on improving the antistatic and mechanical properties of the composites, which was more evident at high MWCNTs-NH2 quantity. The micromorphologies obtained by SEM first confirmed the ductile fracture of these composites, and then disclosed a two-phase structure of PA6 and PP polymer matrix, where the conductive fillers were found in the PA6 phase. Considering both mechanical and antistatic properties, the composite (PCNB-3) containing both 3 phr MWCNTs-NH2 and CB-NH2 was proposed for the antistatic PA6 composite.

Keyword :

Antistatic composites Antistatic composites Carbon nanomaterials Carbon nanomaterials Hybrid conductive fillers Hybrid conductive fillers PA6 PA6 Phase separation Phase separation

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GB/T 7714 Liu, Xuelian , Li, Qian , Zheng, Yuying et al. Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers [J]. | POLYMER , 2025 , 328 .
MLA Liu, Xuelian et al. "Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers" . | POLYMER 328 (2025) .
APA Liu, Xuelian , Li, Qian , Zheng, Yuying , Zheng, Weijie . Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers . | POLYMER , 2025 , 328 .
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Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers Scopus
期刊论文 | 2025 , 328 | Polymer
Polypropylene assisted phase separation nylon-6 antistatic composites: MWCNTs-NH2 and CB-NH2 as hybrid conductive nanofillers EI
期刊论文 | 2025 , 328 | Polymer
Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site SCIE
期刊论文 | 2025 , 274 | ENVIRONMENTAL RESEARCH
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Abstract :

A series of boron-doped graphene-supported nanoflower-catalysts (nf-MnOx/BG) were synthesized using an in- situ method to boost intrinsic catalytic performance. The regulation of catalyst structure, morphology, and active sites was systematically researched to explore the promoting factors of catalytic activity. The prepared nf-MnOx/ BG-3 catalyst achieves superior NH3-SCR performance throughout the test process (>= 90% NOx conversion at the temperature ranging from 140 to 280 degrees C), comparable to the current mainstream graphene-based catalyst. The ratios of O alpha/(O alpha + O beta) and Mn4+/Mn3+are effectively increased by boron atom doping, which is strongly associated with excellent catalytic deNOx efficiency. Meanwhile, the boron sites with unpaired electronic structures accelerate the reaction of fast-SCR by promoting oxidation and adsorption of nitrogen oxide species. Interestingly, the boron sites can be used as an additional Lewis acid and adsorbed NO2 site to participate in the low-temperature SCR reaction and effectively improve the low-temperature activity.

Keyword :

Boron-doped Boron-doped deNO x efficiency deNO x efficiency Fast-SCR Fast-SCR In-situ method In-situ method Nanoflower-catalysts Nanoflower-catalysts

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GB/T 7714 Zheng, Weijie , Zhang, Zhiwei , Hong, Xiansheng et al. Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site [J]. | ENVIRONMENTAL RESEARCH , 2025 , 274 .
MLA Zheng, Weijie et al. "Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site" . | ENVIRONMENTAL RESEARCH 274 (2025) .
APA Zheng, Weijie , Zhang, Zhiwei , Hong, Xiansheng , Zheng, Yuying . Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site . | ENVIRONMENTAL RESEARCH , 2025 , 274 .
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Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site Scopus
期刊论文 | 2025 , 274 | Environmental Research
Boron-doped graphene-based nanoflower-catalyst promoting low temperature NH3-SCR performance: An interesting site EI
期刊论文 | 2025 , 274 | Environmental Research
Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system SCIE
期刊论文 | 2025 , 65 (5) , 2192-2202 | POLYMER ENGINEERING AND SCIENCE
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Abstract :

Slow rebound polyurethane foam (SPUF) has developed rapidly because of its excellent performance in sound insulation, energy absorption, and tactile sensation. However, the friction-induced electrostatic charge accumulation occurs easily due to its high resistivity. In this paper, dimethyl octadecyl hydroxy ethyl ammonium nitrate (SN) intercalated reduced graphene oxide (SN-RGO) were prepared as the conductive agent. The antistatic slow rebound polyurethane foam (ASR-PUF) was prepared with SN-RGO/carbon black as antistatic system and silicone-modified polyethylene glycol (Si-APEG) as low temperature resistant agent. The structures of SN-RGO were investigated by Fourier transform infrared spectra (FT-IR), wide-angle X-ray diffraction (WAXD), and scanning electron microscope (SEM), respectively. The effects SN-RGO on the structures, mechanical properties, low-temperature resistance, and antistatic property of ASR-PUF were studied. It was found that SN-RGO acts as heterogeneous cell nucleating agent, which slightly increases the apparent core density and slightly decreases the porosity of ASR-PUF. The addition of SN-RGO increases both the tensile strength and elongation at break of ASR-PUF, and has little effect on the temperature sensitive index. The surface resistance of ASR-PUF decreases to 1.1 x 108 Omega with a SN-RGO content of 4 wt%, thereby achieving an antistatic effect.Highlights SN-RGO acts as heterogeneous cell nucleating agent in PU foaming. SN-RGO/carbon black provide good antistatic property and mechanical properties without affecting the low-temperature resistance of ASR-PUF. ASR-PUF with an appropriate content of SN-RGO exhibits excellent comprehensive performance.

Keyword :

antistatic antistatic intercalated reduced graphene oxide intercalated reduced graphene oxide low-temperature resistance low-temperature resistance polyurethane foam polyurethane foam

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GB/T 7714 Cao, Jing , Wang, Li , Zheng, Yuying . Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system [J]. | POLYMER ENGINEERING AND SCIENCE , 2025 , 65 (5) : 2192-2202 .
MLA Cao, Jing et al. "Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system" . | POLYMER ENGINEERING AND SCIENCE 65 . 5 (2025) : 2192-2202 .
APA Cao, Jing , Wang, Li , Zheng, Yuying . Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system . | POLYMER ENGINEERING AND SCIENCE , 2025 , 65 (5) , 2192-2202 .
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Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system Scopus
期刊论文 | 2025 , 65 (5) , 2192-2202 | Polymer Engineering and Science
Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system EI
期刊论文 | 2025 , 65 (5) , 2192-2202 | Polymer Engineering and Science
Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system Scopus
期刊论文 | 2025 | Polymer Engineering and Science
Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams EI
期刊论文 | 2025 , 8 (2) , 251-263 | Advanced Industrial and Engineering Polymer Research
Abstract&Keyword Cite Version(2)

Abstract :

Poly (butylene adipate-co-terephthalate) (PBAT) and polylactic acid (PLA) as a biodegradable thermoplastic material have been expected to replace traditional undegradable plastics. However, PBAT resins are highly flammable and have poor thermal stability and lower compressive strength performance. For enhancing PBAT compressive strength, thermal stability, and flame retardancy performance, polylactic acid (PLA) resin was used to mix with the PBAT matrix. Meanwhile, a biomass additive (PA@CS) was prepared through phytic acid (PA) solution as the grinding medium modifying cellulose (CS) particles by the ball milling process. As the PBAT/10PLA/PA@CS foam presented, PA@CS implanted into pore walls which supported the structure integrity of foams and presented the lowest surface temperature when heating at 170 °C for 180 s. The compressive strength of PBAT/10PLA/PA@CS foam with 5 wt% of PA@CS addition reached 1.05 MPa at 20 % strain. During the combustion process, PA@CS, as flame retardants, demonstrated excellent suppressing heat dispassion and fire-resistance performance. For instance, 5 wt% of PA@CS presented the highest ultimate oxygen index (LOI) (27.9 %), and UL-94 V-0 rating. In detail, 5 wt% of PA@CS also reduced the peak of heat release rate (PHRR) from 851.47 kW m−2 to 524.45 kW m−2 by 38 %, total heat release (THR) from 84.34 MJ m−2 to 66.45 MJ m−2 by 21 %. In this work, PA@CS as an efficient biomass flame retardant provided technical support for the development of high-performance compressive strength, thermal insulation, and flame retardancy PBAT/PLA foams. © 2024 Kingfa Scientific and Technological Co. Ltd.

Keyword :

Catalytic cracking Catalytic cracking Cellophane Cellophane Elastomers Elastomers Foams Foams Premixed flames Premixed flames Reinforced plastics Reinforced plastics Sintering Sintering Supercritical fluid extraction Supercritical fluid extraction

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GB/T 7714 Hong, Xiansheng , Li, Yunlong , Zheng, Yuying et al. Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams [J]. | Advanced Industrial and Engineering Polymer Research , 2025 , 8 (2) : 251-263 .
MLA Hong, Xiansheng et al. "Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams" . | Advanced Industrial and Engineering Polymer Research 8 . 2 (2025) : 251-263 .
APA Hong, Xiansheng , Li, Yunlong , Zheng, Yuying , Li, Qian . Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams . | Advanced Industrial and Engineering Polymer Research , 2025 , 8 (2) , 251-263 .
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Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams Scopus
期刊论文 | 2025 , 8 (2) , 251-263 | Advanced Industrial and Engineering Polymer Research
Constructing a biomass flame retardant for fire-safe, thermal management, and compressive strength application of polybutylene adipate terephthalate/ polylactic acid foams Scopus
期刊论文 | 2025 , 8 (2) , 251-263 | Advanced Industrial and Engineering Polymer Research
Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism SCIE
期刊论文 | 2024 , 149 (14) , 7289-7300 | JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
WoS CC Cited Count: 1
Abstract&Keyword Cite Version(2)

Abstract :

In recent years, thermoplastic polyurethane elastomer has shown great application prospects in the fields of polymer film due to its outstanding tensile properties, high elasticity, wear resistance, oil resistance, low temperature resistance, wide range of hardness, and other properties. However, its flammable properties greatly limit its application in the field of polymer film. The self-made GO was used as a carbon source, phenylboronic acid as an acid source, ammonium polyphosphate (APP) as an acid and gas source, and intumescent flame retardant (IFR) was compounded. The IFR was introduced into thermoplastic polyurethane (TPU) to prepare a series of IFR/TPU composite films with different formulations. The results show that PA and GO can make up for the loss of mechanical properties caused by the addition of APP and improve the thermal stability of the composite film, and the IFR flame retardant composed of the two and APP can effectively improve the flame retardancy of the composite film. When the additions of APP, PA, and GO were 10, 3, and 0.75%, respectively, the LOI value of the IFR/TPU composite material reached 29.5, the flame-retardant grade reached V-0, and its peak heat release rate, total heat release, peak smoke production rate, and total smoke release were 86.0, 64.9, 70.5, and 21.7%, greatly lower than pure TPU, respectively. The flame retardancy of the spacer composite membrane constructed from Ti-7 was significantly improved, and the burn-through time of the single-layer film sample was increased by 2.22 times, and the double-layer film sample was increased by 2.63 times.

Keyword :

Expansion flame retardant Expansion flame retardant Flame-retardant Flame-retardant Mechanical properties Mechanical properties Space composite film Space composite film Thermoplastic polyurethane elastomer Thermoplastic polyurethane elastomer

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GB/T 7714 Zheng, Weijie , Cai, Qingshu , Xiong, Lei et al. Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism [J]. | JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY , 2024 , 149 (14) : 7289-7300 .
MLA Zheng, Weijie et al. "Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism" . | JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 149 . 14 (2024) : 7289-7300 .
APA Zheng, Weijie , Cai, Qingshu , Xiong, Lei , Zheng, Yuying . Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism . | JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY , 2024 , 149 (14) , 7289-7300 .
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Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism Scopus
期刊论文 | 2024 , 149 (14) , 7289-7300 | Journal of Thermal Analysis and Calorimetry
Highly efficient GO-based synergistic intumescent flame retardant/thermoplastic polyurethane for spatial composite film: insight into flame retardancy and mechanism EI
期刊论文 | 2024 , 149 (14) , 7289-7300 | Journal of Thermal Analysis and Calorimetry
Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries SCIE
期刊论文 | 2024 , 141 (24) | JOURNAL OF APPLIED POLYMER SCIENCE
WoS CC Cited Count: 2
Abstract&Keyword Cite Version(2)

Abstract :

A thermal conductive structural adhesive (TCSA) plays a crucial role in battery performance and safety. TCSA made of polyurethane (PU) has not only a good thermal conductivity but also good mechanical strength and substrate bonding strength. However, it has to be cost-effective and easy to be prepared. This work aims to synthesize a series of castor oil-based PU TCSAs with different amounts of thermal conductive powder using commercially available castor oil polyols, isocyanates, Al2O3, and additives. The shear strength of the TCSA containing 88% thermally conductivity powder reached 5.6 MPa, which was similar to that without the thermal conductivity fillers, but its toughness significantly decreased. Its thermal conductivity was as high as 1.8 W/mK, and it was thermally stable below 270 degrees C. Preparation process of castor oil based TCSA and application scenarios in new energy batteries. image

Keyword :

adhesives adhesives biodegradable biodegradable coatings coatings conducting polymers conducting polymers polyurethane polyurethane

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GB/T 7714 Ding, Ao , Liu, Guang , Xu, Pingfan et al. Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries [J]. | JOURNAL OF APPLIED POLYMER SCIENCE , 2024 , 141 (24) .
MLA Ding, Ao et al. "Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries" . | JOURNAL OF APPLIED POLYMER SCIENCE 141 . 24 (2024) .
APA Ding, Ao , Liu, Guang , Xu, Pingfan , Wang, Yixin , Zheng, Yuying , Luo, Yaofa et al. Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries . | JOURNAL OF APPLIED POLYMER SCIENCE , 2024 , 141 (24) .
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Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries EI
期刊论文 | 2024 , 141 (24) | Journal of Applied Polymer Science
Design of castor oil-based polyurethane thermal conductive structural adhesive for new energy batteries Scopus
期刊论文 | 2024 , 141 (24) | Journal of Applied Polymer Science
A superhydrophobic zirconium‐based metal‐organic framework/cellulose fiber composite material
期刊论文 | 2024 , 64 (5) , 1981-1992 | Polymer Engineering & Science
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Abstract :

Cleanup of oil spills has become one of the most challenging tasks in recent years, as marine oil spills have had a great negative impact on human health and the ecological environment. This also urgently requires the development of new materials and methods with superhydrophobic properties for oil–water separation. As new porous materials, metal–organic frameworks (MOFs) have attracted much attention due to their unique structures and fascinating properties. However, powdered MOF materials are difficult to recycle, and therefore, suitable substrates need to be selected to construct superhydrophobic composites. The surface hydroxyl groups of cellulose fibers offer great possibilities for their superhydrophobic preparation. In this paper, HDTMS‐UiO‐66@CFs composites with superhydrophobicity were strategically synthesized by in‐situ growth of Zr(IV)‐based MOFs linked to hexadecyltrimethoxysilane (HDTMS) on cellulosic fibers (cotton fabric) by using a hydrothermal synthesis method. The HDTMS‐UiO‐66@CFs composites have a water contact angle of 172° and the absorption capacity of light oil and heavy oil is more than 1100%, and the oil–water separation efficiency is as high as 96%. Due to the in‐situ growth of the HDTMS‐UiO‐66 material on cotton fibers, which makes the material more resistant and stable, the material can still maintain its superhydrophobic properties in various harsh environments and after repeated use. Therefore, the newly developed HDTMS‐UiO‐66@CFs composites have a high potential as novel adsorbent materials for cleaning up offshore oil spills and other applications.HighlightsIn‐situ growth of superhydrophobic metal‐organic frameworks (MOF) particles on cellulose fibers.The porous structure of hexadecyltrimethoxysilane (HDTMS)‐UiO66 plays a key role in hydrophobicity.HDTMS‐UiO66@CFs are chemically stable and have long‐term durability.

Keyword :

cotton fabrics cotton fabrics hydrophobicity hydrophobicity oil—water separation oil—water separation zirconium-based metal-organic framework zirconium-based metal-organic framework

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GB/T 7714 Hanwen Hu , Yu Li , Xiansheng Hong et al. A superhydrophobic zirconium‐based metal‐organic framework/cellulose fiber composite material [J]. | Polymer Engineering & Science , 2024 , 64 (5) : 1981-1992 .
MLA Hanwen Hu et al. "A superhydrophobic zirconium‐based metal‐organic framework/cellulose fiber composite material" . | Polymer Engineering & Science 64 . 5 (2024) : 1981-1992 .
APA Hanwen Hu , Yu Li , Xiansheng Hong , Qian Li , Ranyi Rao , Ziyu Gong et al. A superhydrophobic zirconium‐based metal‐organic framework/cellulose fiber composite material . | Polymer Engineering & Science , 2024 , 64 (5) , 1981-1992 .
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Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network SCIE
期刊论文 | 2024 , 45 (7) , 6169-6183 | POLYMER COMPOSITES
WoS CC Cited Count: 6
Abstract&Keyword Cite Version(3)

Abstract :

The rapid progress in miniaturization and integration of semiconductor power devices has made heat dissipation a critical concern in the development of high-performance semiconductor devices, thereby increasing the demands for the heat transfer efficiency of polymer composites. To address this issue, an efficient three-dimensional (3D) heat conduction network structure is constructed in the polymer matrix by leveraging the mutual reaction of amino and epoxy groups on the surface of the filler treated by coupling during the melt mixing process, this approach leads to an enhancement in the thermal conductivity of the composites. First, the inert surfaces of graphene nanosheets (EX-G) and carbon fibers (CF) are coated with polydopamine (PDA) to form active sites. Subsequently, the graphene (EX-G), alumina (Al2O3), and carbon fiber (CF) are treated with an amine coupling agent (KH550) and epoxy coupling agent (KH560), respectively. Notably, at a filler content of 25 wt%, the thermal conductivity (TC) of the composites increases by approximately 282% compared to pure nylon 6. This research contributes novel insights into the field of thermally conductive polymer composites.Highlights The surface of the EX-G and CF covered by PDA generates active sites. Fillers reduce the interface thermal resistance through chemical bonds. Fillers surface reaction builds a 3D thermal conductive network. 3D network structure can significantly improve the TC of composites. Only 25 wt% of hybrid fillers in a 282% increased TC of composites. Schematic illustration of heat flow conduction through a 3D thermally conductive structure in a composites. image

Keyword :

composites composites coupling agent coupling agent non-covalent functionalization non-covalent functionalization thermal conductivity thermal conductivity three-dimensional structural network three-dimensional structural network

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GB/T 7714 Li, Qian , Rao, Ranyi , Hong, Xiansheng et al. Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network [J]. | POLYMER COMPOSITES , 2024 , 45 (7) : 6169-6183 .
MLA Li, Qian et al. "Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network" . | POLYMER COMPOSITES 45 . 7 (2024) : 6169-6183 .
APA Li, Qian , Rao, Ranyi , Hong, Xiansheng , Hu, Hanwen , Li, Yu , Gong, Ziyu et al. Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network . | POLYMER COMPOSITES , 2024 , 45 (7) , 6169-6183 .
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Thermal conductive nylon 6 composites using hybrid fillers to construct a three‐dimensional thermal conductive network
期刊论文 | 2024 , 45 (7) , 6169-6183 | Polymer Composites
Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network Scopus
期刊论文 | 2024 , 45 (7) , 6169-6183 | Polymer Composites
Thermal conductive nylon 6 composites using hybrid fillers to construct a three-dimensional thermal conductive network EI
期刊论文 | 2024 , 45 (7) , 6169-6183 | Polymer Composites
Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams SCIE
期刊论文 | 2024 , 64 (10) , 4709-4719 | POLYMER ENGINEERING AND SCIENCE
WoS CC Cited Count: 1
Abstract&Keyword Cite Version(2)

Abstract :

Slow rebound polyurethane foam (SPUF) has been widely used due to its advantages such as sound insulation, energy absorption, and good tactile sensation. However, SPUF is prone to harden at low temperature, and its application in medical equipment and households requires significant antibacterial properties. In this paper, self-made silicone modified polyethylene glycol (Si-APEG) and graphene oxide supported allicin (Alc@GO) were prepared and used as low-temperature resistant agent and antibacterial agent, respectively. Low-temperature resistant polyurethane foam (LSPUF) and antibacterial LSPUF (ALSPUF) were prepared respectively with water as foaming agent. The morphology of ALSPUF was observed by scanning electron microscope. Properties studied include apparent core density and porosity, mechanical properties including tensile strength, 40% compressive hardness, and rebound resilience, as well as low-temperature resistance. Effects of Si-APEG content on the structures and properties were analyzed and the LSPUF with an Si-APEG content of 10 wt.% showed the best comprehensive performance. Therefore, ALSPUFs with Si-APEG content of 10 wt.% and Alc@GO content of 0-3 wt.% were prepared. The addition of Alc@GO increased the antibacterial ratio significantly without obvious effect on the structure and mechanical properties of LSPUF. The antibacterial ratio of ALSPUF reached 99.07% at a Alc@GO content of 2.5 wt.% and testing time of 60 min. This work provides an effective and feasible method for the preparation of ALSPUF which can be widely used in medical devices and households.Highlights Silicone modified polyether is a suitable low-temperature resistant agent for PU foam. Allicin supported on GO provides good antibacterial property for PU foam. ALSPUF has better mechanical properties than SPU. SEM images of GO loaded with allicin particles (Alc@GO, top left), as well as the cell structures of foam with Alc@GO (bottom left). Selected graphs include change in low-temperature resistance of the foam with the content of low-temperature resistance agent (top right) and antibacterial property with Alc@GO content (bottom right). image

Keyword :

antibacterial properties antibacterial properties graphene oxide supported allicin graphene oxide supported allicin low-temperature resistance low-temperature resistance silicone modified polyethylene silicone modified polyethylene slow rebound polyurethane foam slow rebound polyurethane foam

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GB/T 7714 Cao, Jing , Wang, Li , Zheng, Yuying . Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams [J]. | POLYMER ENGINEERING AND SCIENCE , 2024 , 64 (10) : 4709-4719 .
MLA Cao, Jing et al. "Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams" . | POLYMER ENGINEERING AND SCIENCE 64 . 10 (2024) : 4709-4719 .
APA Cao, Jing , Wang, Li , Zheng, Yuying . Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams . | POLYMER ENGINEERING AND SCIENCE , 2024 , 64 (10) , 4709-4719 .
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Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams Scopus
期刊论文 | 2024 , 64 (10) , 4709-4719 | Polymer Engineering and Science
Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams EI
期刊论文 | 2024 , 64 (10) , 4709-4719 | Polymer Engineering and Science
Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties SCIE
期刊论文 | 2024 , 194 | PROGRESS IN ORGANIC COATINGS
WoS CC Cited Count: 7
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Abstract :

The gradual permeation of corrosive mediums, external mechanical damage, and ultraviolet (UV) radiationinduced aging are critical factors contributing to the rapid deterioration of the anticorrosive functionality of polymer coatings. In this study, a two-dimensional anticorrosive enhancement material, fluorinated graphene loaded with zinc oxide nanoparticles (FG@ZnO), was synthesized via the heterogeneous nucleation growth method. This material was then embedded into a polyurethane coating to modify the coating matrix, and a biomimetic lotus leaf-like fine micro-nanostructure was fabricated on the coating surface employing a templating approach. Through this internal-external dual modification strategy, an FG@ZnO/SPU composite coating with multiple protective functions was constructed to offer enduring corrosion protection to the steel substrate. Experimental findings reveal that the composite coating exhibits excellent superhydrophobicity, with a water contact angle as high as 152 degrees. Even after immersion in a 3.5 % NaCl solution for 80 days, the composite coating maintains an exceptionally high low-frequency impedance modulus of 1.332 x 1010 Omega cm2, demonstrating exceptional long-term anticorrosive performance. In instances of coating damage, FG@ZnO markedly relieves the corrosion reaction between the corrosive medium and the steel substrate while suppressing galvanic corrosion. Furthermore, the composite coating demonstrates effective resistance against UV radiation-induced aging effects. These exceptional multiple protective properties are attributed to the internal-external dual modification effect of embedded FG@ZnO and biomimetic lotus leaf hydrophobic modification. This study provides an attractive strategy for preparing polymer composite coatings with multiple protective functions for enduring corrosion protection of metals.

Keyword :

Barrier properties Barrier properties Corrosion inhibition Corrosion inhibition Internal -external dual modification Internal -external dual modification Multiple protective functions Multiple protective functions Superhydrophobicity Superhydrophobicity UV aging resistance UV aging resistance

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GB/T 7714 Zhang, Jie , Zheng, Yuying . Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties [J]. | PROGRESS IN ORGANIC COATINGS , 2024 , 194 .
MLA Zhang, Jie et al. "Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties" . | PROGRESS IN ORGANIC COATINGS 194 (2024) .
APA Zhang, Jie , Zheng, Yuying . Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties . | PROGRESS IN ORGANIC COATINGS , 2024 , 194 .
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Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties EI
期刊论文 | 2024 , 194 | Progress in Organic Coatings
Constructing multi-protective functional polyurethane composite coating via internal-external dual modification: Achieving superhydrophobicity, enhanced barrier, corrosion inhibition, and UV aging resistance properties Scopus
期刊论文 | 2024 , 194 | Progress in Organic Coatings
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