在对构成比例进行反复试验后,罗森发现了由70%的白垩和30%的聚烯烃构成的“洁净材料”。
这些产品可用于硬质PVC,PVC发泡板,PS泡沫塑料,PS挤塑,PC,PMMA,聚烯烃以及片状型材。
壳牌为工业用户生产和提供石化原材料和聚烯烃类产品。
一般认为在聚烯烃中应用效果较好的受阻胺光稳定剂,不适用于PVC体系。
我们将油膏和金属(铜、铝等)暴露出来对聚烯烃的热稳定性所带来的负面影响显示出来。
食品容器、包装用塑料原料。第5部分:聚烯烃中杂质元素含量的测定.X射线荧光光谱法
1·This paper evaluates the performance of different types of phenolic antioxidants in polyolefins.
本文评估了聚烯烃中几种不同类型酚类抗氧剂的性能。
2·The output and distribution, product classfication and application of polyolefins plastics products in China were introduced in this paper, and the developing prospects were described as well.
本文介绍了国内聚烯烃塑料制品的产量与分布、产品分类和应用领域,并叙述了发展前景。
3·We focus on describing the new processing technology of metallocene polyolefins and it's equipment in the aspects of the electro magnetic dynamic technology, internal cooling system, mold and screw.
从电磁动态技术、内冷系统、模头、螺杆各个方面重点阐述了茂金属聚烯烃新型成型技术及其装备。
4·Diacetal composition, process for preparation of same, nucleating agent for polyolefins contg. same, polyolefin resin compositions, and moldings.
二缩醛组合物,制备该组合物的方法,含有所说组合物的聚烯烃成核剂,聚烯烃树脂组合物和模塑制品。
5·We produce, market and sell industry-leading advanced polyolefins, polypropylene and polyethylene resins.
我们生产、推广和销售业界领先的先进的聚烯烃,聚丙烯和聚乙烯树脂。