Thermoplastic elastomers prepared via cationic grafting

Details Thermoplastic elastomers prepared via cationic grafting Thermoplastic elastomers prepared via cationic grafting

1976-09-15

1978-01-24

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F27902

Patent

active

040704203

ABSTRACT:
Thermoplastic elastomers having improved high service temperatures and increased tensile strength are prepared by grafting cationic polymerizable monomer, such as alpha-methyl styrene, to halogenated backbone such as chlorinated polybutadiene, said grafting being effected in the presence of inert organic solvent and alkyl aluminum catalyst together with a controlled amount of water to achieve an improved polymerization rate and increased monomer conversion.

REFERENCES:
patent: 3439065 (1969-04-01), Luftglass
patent: 3494983 (1970-02-01), Diem
patent: 3669947 (1972-06-01), Kahn
patent: 3904708 (1975-09-01), Kennedy
patent: 3933942 (1976-01-01), Kennedy
patent: 3981944 (1976-09-01), Okamoto

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