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PA6/PA11-b-PPG热塑性弹性体的合成及性能表征
引用本文:张黄平,黄安民,王文志,曹凯凯,彭 军.PA6/PA11-b-PPG热塑性弹性体的合成及性能表征[J].湖南工业大学学报,2016,30(2):72-76.
作者姓名:张黄平  黄安民  王文志  曹凯凯  彭 军
作者单位:湖南工业大学 包装与材料工程学院,株洲时代新材料科技股份有限公司,株洲时代新材料科技股份有限公司,株洲时代新材料科技股份有限公司,株洲时代新材料科技股份有限公司
摘    要:以聚丙二醇为软段,以尼龙6(PA6)与尼龙11(PA11)为硬段,合成了一系列尼龙6/尼龙11-b-聚丙二醇(PA6/PA11-b-PPG)型热塑性聚酰胺性体(简称TPAE)。通过核磁分析与红外光谱测试表征了其化学结构,采用差示扫描量热法以及热重分析考察了TPAE的热性能。并测试了其动态热机械性能与力学性能。表征结果表明:1)合成的TPAE具有良好的热稳定性能;2)随着嵌段共聚物中尼龙11质量分数的增加,其玻璃化转变温度(T_g)逐渐降低;3)随着尼龙11质量分数的增加,TPAE的拉伸强度、弯曲强度逐渐降低,而冲击强度和断裂伸长率逐渐升高。

关 键 词:热塑性弹性体  嵌段共聚物  氨基十一酸  聚丙二醇
收稿时间:2016/1/27 0:00:00

Synthesis and Characterization of Polyamide Thermoplastic Elastomer Based on PA6/PA11-b-PPG
ZHANG-HUANG Ping,HUANG Anmin,WANG Wenzhi,CAO Kaikai and PENG Jun.Synthesis and Characterization of Polyamide Thermoplastic Elastomer Based on PA6/PA11-b-PPG[J].Journal of Hnnnan University of Technology,2016,30(2):72-76.
Authors:ZHANG-HUANG Ping  HUANG Anmin  WANG Wenzhi  CAO Kaikai and PENG Jun
Abstract:Studied the synthesis of a series of nylon 6/ nylon 11 b polypropylene glycol (PA6/PA11-b-PPG) thermoplastic polyamide elastomer (TPAE) with polypropylene glycol as the soft segment and nylon 6 and nylon 11 (PA6) (PA11) as the hard segment. The chemical structure was characterized by NMR and IR spectra; The thermal performance of TPAE was investigated by differential scanning calorimetry and thermogravimetric analysis; the dynamic thermal mechanical properties and mechanical properties were tested. The results showed that: 1) the synthesis of TPAE has good thermal stability; 2) with the increase of mass fraction of nylon 11 block copolymers, the glass transition temperature (Tg) decreased gradually; 3)with the increase of nylon 11 content, the tensile strength bend strength of TPAE, gradually reduced, while the impact strength and break elongation increased gradually.
Keywords:
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