Poly(vinyl chloride‐g‐butyl rubber)
- 1 January 1976
- journal article
- research article
- Published by Wiley in Journal of Polymer Science: Polymer Chemistry Edition
- Vol. 14 (1) , 153-157
- https://doi.org/10.1002/pol.1976.170140115
Abstract
The synthesis of poly(vinyl chloride‐g‐butyl rubber) and some of its physical properties are described. The key to the synthesis involves copolymerization initiation of an isobutylene–isoprene charge by a PVC/Et2AlCl initiator system with 1,2‐dichloroethane as solvent. The graft is a thermoplastic; cast films are flexible and optically clear. Proof of grafting is the crosslinking with S2Cl2 of the pentane‐extracted product in THF solution. Crosslinking the butyl rubber moiety in the graft reduces overall stress properties.Keywords
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