生物基阻燃剂阻燃聚乳酸的研究进展

doi:10.19491/j.issn.1001-9278.2021.02.019

中国塑料 ›› 2021, Vol. 35 ›› Issue (2): 119-131.DOI: 10.19491/j.issn.1001-9278.2021.02.019

生物基阻燃剂阻燃聚乳酸的研究进展

何京秀, 陈雅君()

北京工商大学化学与材料工程学院，塑料卫生与安全质量评价技术北京市重点实验室，北京 100048

收稿日期:2020-07-09 出版日期:2021-02-26 发布日期:2021-02-22
基金资助:
国家自然科学基金(51503008);北京市属高校青年拔尖人才培育计划(CIT&TCD201704040)

Research Progress in Flame⁃retardant PLA Containing Bio⁃based Flame Retardants

HE Jingxiu, CHEN Yajun()

School of Chemical and Materials Engineering，Beijing Technology and Business University，Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics，Beijing 100048，China

Received:2020-07-09 Online:2021-02-26 Published:2021-02-22
Contact: CHEN Yajun E-mail:chenyajun@th.btbu.edu.cn

摘要/Abstract

摘要：

针对生物基阻燃剂在绿色阻燃聚乳酸（PLA）领域的应用，简要介绍了生物基阻燃剂的阻燃改性技术，重点分析和综述了近5年含纤维素、木质素、壳聚糖、植酸、环糊精以及淀粉等生物基阻燃剂阻燃PLA的研究进展。最后，指出目前生物基阻燃剂应用和发展存在的问题，并对生物基阻燃剂在PLA阻燃领域发展的趋势进行了展望。

关键词: 聚乳酸, 绿色阻燃, 生物基阻燃剂, 改性技术

Abstract:

This paper reviewed the recent research progress in the flame-retardant modification technologies of bio-based flame retardants with respect to its application in green flame-retardant PLA. The recent progress in flame retardant PLA containing bio-based flame retardants was especially analyzed and summarized. These bio-based flame retardants covered cellulose， lignin， chitosan， phytic acid， cyclodextrin and starch. Moreover，the present problems in the applications and development of bio?based flame retardants were discussed. Finally， the development trend of bio?based flame retardants in flame-retardant PLA was prospected.

Key words: polyl（actic acid）, green flame retardant, bio-based flame retardants, modification technology

中图分类号:

TQ321

何京秀, 陈雅君. 生物基阻燃剂阻燃聚乳酸的研究进展[J]. 中国塑料, 2021, 35(2): 119-131.

HE Jingxiu, CHEN Yajun. Research Progress in Flame⁃retardant PLA Containing Bio⁃based Flame Retardants[J]. China Plastics, 2021, 35(2): 119-131.

图/表 17

图1 纤维素的化学结构式

Fig.1 Chemical structure of cellulose

图2 含CF?RDP的PLA复合材料UL 94垂直燃烧实验的示意图

Fig.2 Schematic illustration of UL 94 vertical burning test for PLA composite with CF?RDP

图3 MCC的表面改性

Fig.3 Surface modification of MCC

图4 含CNF的PLA复合材料的阻燃机理

Fig.4 The flame retardant mechanism of PLA composites containing CNF

图5 木质素的化学结构式

Fig.5 Chemical structure of lignin

图6 脲基改性木质素（UM?Lignin）的合成

Fig.6 Synthesis route of UM?Lignin

图7 壳聚糖的化学结构式

Fig.7 Chemical structure of CS

图8 LBL技术制备核?壳型生物基阻燃剂（APP@CS@PA?Na）

Fig.8 Preparation of a core?shell?structured bio?based flame retardant (APP@CS@PA?Na) by LBL technology

图9 植酸的化学结构式

Fig.9 Chemical structure of PA

图10 植酸铁功能化石墨烯阻燃PLA纳米复合材料的机理图

Fig.10 The flame retardant mechanism of f?GNS in PLA nanocomposites

图11 PC@APP的制备流程图

Fig.11 The preparation process of PC@APP

图12 β?环糊精的化学结构式

Fig.12 Chemical structure of β?CD

图13 阻燃PLA复合材料残炭的SEM照片

Fig.13 SEM of the residual char of flame retardant PLA composites

图14 直链淀粉与支链淀粉的化学结构式

Fig.14 Chemical structures of amylose and amylopectin

图15 生物基阻燃剂BPPT的制备流程

Fig.15 The preparation process of bio?based flame retardant BPPT

图16 新型核?壳杂化结构阻燃剂（BBH）的制备流程图

Fig.16 The preparation process of a novel hybrid flame retardant (BBH) with core/shell structure

图17 LBL技术制备生物基阻燃剂（GOH）

Fig.17 Preparation of bio?based flame retardant（GOH）by LBL technology

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生物基阻燃剂阻燃聚乳酸的研究进展

Research Progress in Flame⁃retardant PLA Containing Bio⁃based Flame Retardants

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