A polyphosphoramide-grafted lignin enabled thermostable and fire-retardant polylactide with preserved mechanical properties - Details

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Abstract：

It　has　been　desirable　to　create　biodegradable　polymer　materials　that　are　thermally　stable,　flame-　retardant　and　mechanically　robust.　One　promising　strategy　is　to　develop　fire　retardant　polylactide　(PLA)　using　lignin　as　inexpensive　fillers,　but　existing　functionalized　lignin　cannot　improve　the　thermal　stability　of　PLA,　in　addition　to　unsatisfactory　fire　retardancy.　Herein,　we　report　a　lignin-derived　fire　retardant　(LF)　by　grafting　polyphosphoramide　into　the　chemical　structure　of　lignin　waste　through　graft　polymerization.　The　results　show　that　with　8　wt%　of　LF,　the　final　PLA　shows　significantly　enhanced　thermal　stability　in　N2.　Moreover,　the　resulting　PLA　achieves　a　satisfactory　UL-94　V-0　rating,　meeting　the　demanding　requirement　of　fire　retardancy　in　industries.　Additionally,　the　PLA/LF　composite　displays　increased　elastic　modulus　and　well-preserved　strength　and　ductility　of　pure　PLA.　This　work　provides　an　effective　strategy　for　creating　biobased　fire　retardant　additives　using　industrial　lignin　waste,　and　PLA　biocomposites　which　hold　great　promise　for　packaging,　fabrics,　electronic,　and　automotive　applications.　©　2022　Elsevier　Ltd

Keyword：

Biocomposite Flame retardancy Mechanical properties Thermal properties

Community：

[ 1 ] [Liu, L.]College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, 311300, China
[ 2 ] [Shi, B.]College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, 311300, China
[ 3 ] [Zhang, A.]College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, 311300, China
[ 4 ] [Xue, Y.]College of Mechanics and Materials, Hohai University, Nanjing, 211100, China
[ 5 ] [Zhang, J.]College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, 311300, China
[ 6 ] [Dai, J.]College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, 311300, China
[ 7 ] [Hassanpour, M.]School of Mechanical, Biomedical, Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
[ 8 ] [Hassanpour, M.]Centre for Agriculture and the Bioeconomy, Queensland University of Technology, Brisbane, QLD 4000, Australia
[ 9 ] [Tang, L.-C.]College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of MoE, Hangzhou Normal University, Hangzhou, 311121, China
[ 10 ] [Shi, Y.]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China
[ 11 ] [Song, P.]Centre for Future Materials, University of Southern Queensland, Springfield Central, 4300, Australia
[ 12 ] [Song, P.]School of Agriculture and Environmental Science, University of Southern Queensland, Springfield Central, 4300, Australia

Reprint 's Address：

[Dai, J.]Centre for Future Materials, Australia

Email：

jinfengdai0601@gmail.com

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Source ：

Composites Part A: Applied Science and Manufacturing

ISSN： 1359-835X

Year： 2022

Volume： 160

8 . 7

JCR@2022

8 . 1 0 0

JCR@2023

ESI HC Threshold：91

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 39

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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