Grafting of vinylaromatic compounds by cationic polymerization o

Details Grafting of vinylaromatic compounds by cationic polymerization o Grafting of vinylaromatic compounds by cationic polymerization o

1975-11-14

1978-06-13

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 27R, 260878R, 260880R, C08E 1928, C08F25300, C08F27902, C08F27900

Patent

active

040948307

ABSTRACT:
This invention relates to copolymers of a macromolecular compound having a non-halogenated and double-bonded chain and of a vinylaromatic monomer and the process for obtaining same. The reaction between the macromolecular compound and the vinylaromatic monomer takes place at a temperature of between -80.degree. C and +40.degree. C in the presence of 5.10.sup.-4 to 5.10.sup.-2 mol/l of a Lewis acid initiator and possibly in the presence of a co-initiator. These copolymers obtained by cationic grafting are thermoplastics elastomers.

REFERENCES:
patent: 3489822 (1970-01-01), Witt et al.
patent: 3538190 (1970-11-01), Meredith et al.
patent: 3639511 (1972-02-01), Kreibich
patent: 3849518 (1974-11-01), Severini et al.
patent: 3875260 (1975-04-01), Patel et al.
patent: 3904708 (1975-09-01), Kennedy et al.
patent: 3933942 (1976-01-01), Kennedy et al.
patent: 4020127 (1977-04-01), Kennedy et al.

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