聚异丁烯 (简称PIB)是一种无色、无味、无毒的粘稠或半固体物质，具有良好的耐热、耐氧、耐臭氧、耐化学品及耐侯、耐紫外线、耐酸、耐碱性能，其体积电阻率高，膨胀系数小，不含电介质有害物质，电绝缘性优良，裂解无残炭等特点，除广泛应用于润滑油添加剂、石油添加剂、腻子胶粘合剂、口香糖添加剂以及电绝缘材料外、最重要的还大量应用于橡胶等高聚物等领域。 一般来说，聚异丁烯分为 低分子聚异丁烯 、 中分子聚异丁烯 和 高分子聚异丁烯。 相对分子质量 …

聚异丁烯（Polyisobutylene，PIB）是由异丁烯经正离子聚合制得的聚合物，其分子量可从数百至数百万。 它是一种典型的饱和线型聚合物。 分子链主体不含双键，无长支链存在，其结构单元为-（CH2-C(CH3)2)-，其中无不对称碳原子，并且结构单元以首一尾有规序列连接。

2023年11月1日 · 弘利化工为你详细介绍巴斯夫oppanol b系列pib聚异丁烯的产品详情，包括巴斯夫品牌下的所有产品的用途、型号、范围、图片、新闻及价格。同时我们还为您精选了相关的行业资讯、价格行情、展会信息、图片资料等，在全国地区获得用户好评，欲了解更多详细 ...

Polybutylene (PB), also called polybutene-1 or poly-1-butene, is different from polybutenes or polyisobutylenes (PIB). PIB are amorphous and rubbery, and come in the form of a viscous liquid or big hard block (6 in. in length and width or could be higher). PB base polymers are supplied in the form of small pellets (about 1/4 in. in diameter) or ...

Pen nibs come in a variety of different shapes and sizes for different purposes but can be split into two main types: broad nibs and pointed nibs. The broad nib, also called broad-edge or chisel-edge, is the older of the two nib types. It is rigid and has a flat edge.

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From taking notes to journaling or drawing, G2 Gel Roller pens keep the ink and your ideas flowing. These long-lasting pens come in many color options and 4 tip sizes, so it's easy to …

Explore the world of fountain pens, from various ink filling systems to nib types. Dive into cartridge, piston, vacuum fillers, and more.

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