Preparation, flame retardant and mechanical properties of TPS/EVA foam composites

CHEN Zhijie; ZHENG Yuying; QIU Hongfeng

doi:10.11949/j.issn.0438-1157.20141461

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Preparation, flame retardant and mechanical properties of TPS/EVA foam composites

更新时间：2025-12-10

- Preparation, flame retardant and mechanical properties of TPS/EVA foam composites
- CIESC Journal Issue 3, Pages: 1221-1227(2015)
- 作者机构：
  
  福州大学材料科学与工程学院,福建,福州,350108
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141461
  CLC： Q321
- Online First：05 March 2015，
  
  Published：05 March 2015
- 稿件说明：
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CHEN Zhijie, ZHENG Yuying, QIU Hongfeng. Preparation, flame retardant and mechanical properties of TPS/EVA foam composites[J]. CIESC Journal, 2015, (3): 1221-1227.
DOI：

CHEN Zhijie, ZHENG Yuying, QIU Hongfeng. Preparation, flame retardant and mechanical properties of TPS/EVA foam composites[J]. CIESC Journal, 2015, (3): 1221-1227. DOI： 10.11949/j.issn.0438-1157.20141461.

摘要

以热塑性淀粉(TPS)为成炭剂与聚磷酸铵(APP)、可膨胀石墨(EG)复配组成膨胀型阻燃剂

通过熔融密炼、开炼塑化、硫化发泡制备了热塑性淀粉/乙烯-醋酸乙烯酯共聚物(TPS/EVA)泡沫复合材料

探讨了TPS用量对泡沫复合材料阻燃性能、力学性能的影响。结果表明

TPS的加入显著提高了TPS/EVA泡沫复合材料阻燃性能

可起到良好的成炭作用;TPS/EVA泡沫复合材料的拉伸强度、断裂伸长率以及撕裂强度随着TPS用量的增加呈现先增大后减小的趋势

相对密度则是小幅度上升。当TPS用量为6%时

TPS/EVA泡沫复合材料综合性能最好

其LOI可达26.5%且UL-94为V-0级

拉伸强度、断裂伸长率、撕裂强度以及相对密度可达2.395 MPa、177.48%、10.59 N·mm-1、0.21452。

Abstract

Intumescent flame retardant thermoplastic starch (TPS) as char forming agent

ammonium polyphosphate (APP) and expandable graphite (EG) were used to prepare thermoplastic starch/ethylene-vinyl acetate copolymer (TPS/EVA) foam composites by melt mixing

mill plasticizing and sulfuration foaming. The effect of thermoplastic starch content on the flame retardant

mechanical and processing properties of TPS/EVA foam composites was investigated. With the introduction of char forming agent TPS

flame retardancy and charring of TPS/EVA foam composites could be significantly improved. With increasing TPS content

tensile strength

elongation at break and tearing strength of TPS/EVA foam composites showed a downward trend after firstly rising and specific gravity showed a modest rise. The TPS/EVA foam composites had best comprehensive properties at the loading of 6%TPS

i.e. LOI 26.5%

UL-94 V-0 rating

tensile strength

elongation at break

tearing strength and specific gravity 2.395 MPa

177.48%

10.59 N·mm-1

0.21452

respectively.

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