Graft copolymerization of vinyl chloride onto ethylene propylene rubber (EPR) and ethylene propylenediene monomer (EPDM) by bulk process

1982 ◽  
Vol 22 (1) ◽  
pp. 48-52
Author(s):  
Akio Takahashi
Keyword(s):  
Vinyl Chloride ◽  
Graft Copolymerization ◽  
Ethylene Propylene ◽  
Ethylene Propylene Rubber

Radiation Induced Block or Graft Co-Polymers of Methyl Methacrylate with Isobutylene and Ethylene Propylene Rubbers

1966 ◽  
Vol 39 (5) ◽  
pp. 1617-1624
Author(s):  
Joseph Pellon ◽  
Kent J. Valan
Keyword(s):  
Methyl Methacrylate ◽  
Graft Copolymerization ◽  
Graft Copolymers ◽  
Single Experiment ◽  
Ethylene Propylene ◽  
Ethylene Propylene Rubber ◽  
Radiation Induced

Abstract Attempts to prepare block or graft copolymers of isobutylene rubbers by radiation in the presence of methyl methacrylate gave low yields of copolymer with only 20 per cent of the rubber entering into the copolymer. The remainder of the rubber is degraded during the process. A single experiment describes the graft copolymerization of methyl methacrylate with ethylene propylene rubber in which 45 per cent of the rubber is copolymerized.

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