CN109251530B - 一种高流动高抗冲玻纤增强pps改性材料 - Google Patents

一种高流动高抗冲玻纤增强pps改性材料 Download PDF

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CN109251530B
CN109251530B CN201810780370.XA CN201810780370A CN109251530B CN 109251530 B CN109251530 B CN 109251530B CN 201810780370 A CN201810780370 A CN 201810780370A CN 109251530 B CN109251530 B CN 109251530B
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ethylene
glass fiber
fiber reinforced
impact
copolymer
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CN109251530A (zh
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焦华
张锦辉
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Tensure (dalian) High Polymer Material Co ltd
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
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    • C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

本发明公开了一种高流动高抗冲玻纤增强PPS改性材料，包括以下重量份配比的组份：熔指范围为100‑500的中低熔指PPS原料A 45～55份，熔指范围为500‑800的中高熔指PPS原料B 2～10份，玻璃纤维40～50份，偶联剂0.2～5份，含氟聚合物加工助剂PPA 0.1～1份，乙烯共聚物1～5份，芳香酸0.5～2份。

Description

一种高流动高抗冲玻纤增强PPS改性材料
技术领域
本发明涉及高分子材料领域，更具体地，涉及一种高流动高抗冲玻纤增强PPS改性材料。
背景技术
聚苯硫醚(PPS)是一种综合性能优异的特种工程塑料，具有强度高、耐化学腐蚀性好、阻燃、抗蠕变等特点，广泛应用于汽车、电子电气、航空航天及化工等领域。近些年，PPS也逐渐用于笔记本电脑，但是，聚苯硫醚存在诸如脆性大、刚性低、韧性低等缺点，制约着其进一步应用发展。
虽然PPS经过玻璃纤维增强后可显著提高其刚性和其他力学性能，但是增强后的改性料流动性变差、抗冲击性能差、制品表面粗糙、浮纤多，不能很好地满足制件的注塑成型及性能和外观要求。因此，为了满足制件的注塑成型性能、强度、抗冲击性能、外观等要求，进一步扩大PPS应用领域，迫切需要开发高流动、高力学性能和美观兼具的玻纤增强聚苯硫醚改性材料。
发明内容
本发明的目的在于克服现有技术存在的上述缺陷，提供一种高流动高抗冲玻纤增强PPS改性材料。
为实现上述目的，本发明的技术方案如下：
一种高流动高抗冲玻纤增强PPS改性材料，其特征在于，包括以下重量份配比的组份：
Figure BDA0001732410020000011
优选地，所述偶联剂为硅烷偶联剂、钛酸酯偶联剂、铝酸酯偶联剂中的一种或多种组合。
优选地，所述乙烯共聚物为聚苯乙烯、氟化乙烯丙烯共聚物、聚四氟乙烯、酸酐改性苯乙烯、酸酐改性乙烯、乙烯-醋酸乙烯共聚物、乙烯-乙烯醇共聚物、乙烯-丙烯酸乙酯共聚物、乙烯-丙烯酸盐共聚物、乙烯-丙烯嵌段共聚物中的一种或多种组合。
优选地，所述芳香酸为苯甲酸、邻羟基苯甲酸、邻苯二甲酸中的一种或多种组合。
从上述技术方案可以看出，本发明通过增加了PPA/乙烯共聚物/芳香酸的功能组分后，可以将熔融指数和抗冲击力都显著增强。
具体实施方式
下面对本发明的具体实施方式作进一步的详细说明。
本发明提出了一种高流动高抗冲玻纤增强PPS改性材料，包括以下重量份配比的组份：
Figure BDA0001732410020000021
上述组份中，含氟聚合物加工助剂(PPA)、乙烯共聚物和芳香酸构成玻纤增强PPS改性材料的功能母粒，能够增强流动性和抗冲击能力。
偶联剂为硅烷偶联剂、钛酸酯偶联剂、铝酸酯偶联剂中的一种或多种组合。
乙烯共聚物为聚苯乙烯、氟化乙烯丙烯共聚物、聚四氟乙烯、酸酐改性苯乙烯、酸酐改性乙烯、乙烯-醋酸乙烯共聚物、乙烯-乙烯醇共聚物、乙烯-丙烯酸乙酯共聚物、乙烯-丙烯酸盐共聚物、乙烯-丙烯嵌段共聚物中的一种或多种组合。
芳香酸为苯甲酸、邻羟基苯甲酸、邻苯二甲酸中的一种或多种组合。
除了上述组份外，还可以根据需要加入抗氧剂、颜料、或色粉等助剂。
将上述组份按份量比混合均匀，放入注塑机制得高流动高抗冲玻纤增强PPS改性材料。
表1列出了各实施例以及对比例的组份以及制得的pps改性材料的各功能参数。#1～#5为对比例，#6～#14分别为具体实施例，具体实施例中的乙烯共聚物具体选择为乙烯-乙烯醇共聚物(EVOH)，芳香酸具体选择为苯甲酸，从表1可以看到：
(1)通过对比例#1和#2，PPA的增加可以提高熔融指数，但有限；
(2)通过对比例#3，使用中高流动PPS原料和中低流动PPS原料的混合物可以提高流动性，但是纯使用中高流动PPS原料，流动性仍然不能满足注塑要求；
(3)通过对比例#4和#5，单独增加乙烯共聚物和芳香酸，也会提高流动性，但有限；
(4)和对比例相比，增加了PPA/乙烯共聚物/芳香酸的功能组分后，可以将熔融指数和抗冲击力都显著增强。
表1
Figure BDA0001732410020000031
Figure BDA0001732410020000041
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (4)

1.一种高流动高抗冲玻纤增强PPS改性材料，其特征在于，包括以下重量份配比的组份：
Figure FDA0001732410010000011
2.根据权利要求1所述的高流动高抗冲玻纤增强PPS改性材料，其特征在于，所述偶联剂为硅烷偶联剂、钛酸酯偶联剂、铝酸酯偶联剂中的一种或多种组合。
3.根据权利要求1所述的高流动高抗冲玻纤增强PPS改性材料，其特征在于，所述乙烯共聚物为聚苯乙烯、氟化乙烯丙烯共聚物、聚四氟乙烯、酸酐改性苯乙烯、酸酐改性乙烯、乙烯-醋酸乙烯共聚物、乙烯-乙烯醇共聚物、乙烯-丙烯酸乙酯共聚物、乙烯-丙烯酸盐共聚物、乙烯-丙烯嵌段共聚物中的一种或多种组合。
4.根据权利要求1所述的高流动高抗冲玻纤增强PPS改性材料，其特征在于，所述芳香酸为苯甲酸、邻羟基苯甲酸、邻苯二甲酸中的一种或多种组合。
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