谁有弹性体POE(美国杜邦陶氏牌号)和丁腈橡胶并用的配方?

2025-03-02 16:31:26
推荐回答(2个)
回答1:

我这里有,需要可以在百度空间用户名片页(用户资料)找到我的联系方式!!!
•POE/8003/美国陶氏

①原料描述部分

规格级别

注塑 其它 其它 

外观颜色

该料用途

备注说明

②加工条件

加工条件

③原料技术数据

性能项目

试验条件[状态]

测试方法

测试数据

数据单位

基本性能

比重

ASTM D792

0.885

g/cm3

熔体流动速率

ASTM D1238

1.0

g/10min

机械性能

硬度(shoreA)

ASTM D2240

84

拉伸模量

ASTM D638

4.80

MPa

拉伸强度

ASTM D638

18.2

MPa

延伸率

ASTM D638

640

%

弯曲模量

ASTM D790

33.7

MPa

撕裂强度

ASTM D624

61

Kn/M

热性能

维卡软化温度

ASTM D1525

63



聚烯烃弹性体

POE是由辛烯和聚烯烃树脂组成的。随着POE含量的增加,体系的冲击强度和断裂伸长率有很大的提高。可见,POE对PP有优良的增韧作用,与PP、活性碳酸钙有较好的相容性。这是因为POE的分子量分布窄,分子结构中侧辛基长于侧乙基,在分子结构中可形成联结点,在各成分之间起到联结、缓冲作用,使体系在受到冲击时起分散、缓冲冲击能的作用,减少银纹因受力发展成裂纹的机会,从而提高了体系的冲击强度。当体系受到张力时,由于这些联结点所形成的网络状结构可以发生较大的形变,所以,体系的断裂伸长率有显著的增加,当POE的含量增加时,体系的拉伸强度、弯曲强度和弯曲模量均有所下降,这是由POE本身的性能决定的,故POE的含量应控制在20%以下。POE的含量与熔融指数的关系,加入POE后,体系的熔融指数增加。POE本身的流动性较好,它的加入,同时也改善了整个体系的流动性,当POE含量超过15份以后,体系的熔融指数基本没有变化,若要继续提高体系的流动性,则不能完全依赖于POE。 基本特性:(1)POE具有热塑性弹性体的一般物性,如成型性、废料再利用和硫化胶性能等。(2)价格低,并且相对密度小,因而体积价格低廉。(3)耐热性、耐寒性优异,使用范围宽广。(4)耐候性、耐老化性良好。(5)耐油性、耐压缩永久变形和耐磨耗等不太好。应用范围:主要用于改性增韧PP、PE和PA在汽车工业方面制作保险杠、挡泥板、方向盘、垫板等等。电线电缆工业上耐热性和耐环境性要求高的绝缘层和护套。也用于工业用制品如胶管、输送带、胶布和模压制品。医疗器械以及家用电器、文体用品、玩具等,以及包装薄膜等等。

回答2:

这个问题正好在韧客橡胶技术社区讨论,你不妨百度搜索“韧客”,去看看这个问题的讨论把

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