POLYBUTENEPB with cas 9003-27-4

CAS No.:9003-27-4
Other Names:PIB
MF:C4H8
EINECS No.:618-360-8
Place of Origin:Shandong, China
Type:Syntheses Material Intermediates
Purity:99%

What is POLYBUTENEPB with cas 9003-27-4？

A polymer composed of repeating 1,1-dimethylethylene units.

Specification

Product Name	Polyisobutylene	Melting Point	54-56 °C
CAS Number	9003-27-4	Boiling Point	300 °C
Purity	99%	Place of Origin	HeBei,China
Appearance	Colorless viscous liquid	Molecular Formula	C4H8

Application

Polyisobutylene, sometimes called butyl rubber, and other times PIB, is a vinyl polymer. It’s very similar to polyethylene and polypropylene in structure, except that every other carbon is substituted with two methyl groups. It is made from the monomer isobutylene, by cationic vinyl polymerization.