CN103333415B - 一种低成型收缩率、不翘曲变形的改性聚丙烯材料及其制备方法 - Google Patents
一种低成型收缩率、不翘曲变形的改性聚丙烯材料及其制备方法 Download PDFInfo
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实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 | 实施例7 | 实施例8 | 对比例1 | 对比例2 | 对比例3 | |
流动水平方向收缩率(%) | 0.64 | 0.68 | 0.71 | 0.60 | 0.70 | 0.58 | 0.69 | 0.74 | 1.12 | 0.88 | 0.96 |
流动垂直方向收缩率(%) | 0.68 | 0.73 | 0.76 | 0.63 | 0.76 | 0.63 | 0.77 | 0.76 | 1.54 | 1.32 | 1.46 |
拉伸强度(MPa) | 23 | 22.1 | 23.8 | 24.2 | 22.4 | 23.2 | 24.3 | 23.1 | 21.4 | 23.6 | 22.8 |
断裂伸长率(%) | 40 | 50 | 36 | 33 | 43 | 45 | 30 | 37 | 46 | 34 | 31 |
弯曲模量(MPa) | 1850 | 1760 | 1910 | 1960 | 1780 | 1880 | 1930 | 1870 | 1720 | 1900 | 1750 |
悬臂梁缺口冲击强度(J/m) | 145 | 156 | 128 | 125 | 136 | 130 | 109 | 132 | 160 | 123 | 90 |
熔融指数(g/min) | 15 | 16 | 13 | 10 | 17 | 18 | 10 | 14 | 18 | 14 | 13 |
翘曲性能 | 不翘曲 | 不翘曲 | 不翘曲 | 不翘曲 | 不翘曲 | 不翘曲 | 不翘曲 | 不翘曲 | 翘曲 | 翘曲 | 翘曲 |
浮纤 | 无 | 无 | 无 | 无 | 无 | 无 | 无 | 无 | 轻微 | 轻微 | 轻微 |
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Families Citing this family (7)
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CN103694613B (zh) * | 2013-12-19 | 2016-08-17 | 上海日之升新技术发展有限公司 | 一种低浮纤玻纤增强增韧聚丙烯复合材料及其制备方法 |
CN105111590A (zh) * | 2015-09-18 | 2015-12-02 | 南京利华工程塑料有限公司 | 高耐候抗老化玻纤增强聚丙烯及其制备方法 |
CN105273316A (zh) * | 2015-10-21 | 2016-01-27 | 惠州市昌亿科技股份有限公司 | 一种低浮纤长玻纤、包含该长玻纤的高抗冲pp复合材料 |
CN105542375A (zh) * | 2015-12-30 | 2016-05-04 | 上海普利特复合材料股份有限公司 | 一种可用于薄壁化零件注塑的高性能聚丙烯复合材料及其制备方法 |
CN109721836B (zh) * | 2018-12-21 | 2021-05-11 | 金旸(厦门)新材料科技有限公司 | 一种阻燃遮光低收缩聚丙烯复合材料及其制备方法 |
CN112832931B (zh) * | 2020-12-22 | 2022-08-16 | 湖北航天飞行器研究所 | 一种固体火箭发动机喷管堵盖及成型方法 |
CN113637259A (zh) * | 2021-07-07 | 2021-11-12 | 安徽联科水基材料科技有限公司 | 一种二维各向同性低收缩率高性能改性聚丙烯材料及其制备方法 |
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