Graft copolymers having pendant thiuram disulfide functions

Details Graft copolymers having pendant thiuram disulfide functions Graft copolymers having pendant thiuram disulfide functions

1992-11-20

1994-02-22

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 70, 525 80, 525242, 525279, 525292, 525313, 525314, C08F26504, C08F27102

Patent

active

052888088

ABSTRACT:
Polymers containing repeating units of: ##STR1## and optionally random distribution of other units derived from at least one vinyl monomer, R.sub.1 is H; alkyl, cycloalkyl or aryl each of which is unsubstituted or substituted by at least one halogen; ##STR2## (R.sub.7 is H, alkyl, cycloalkyl or aryl); A is a single bond; alkylene, cycloalkylene or arylene; or ##STR3## (B is alkylene, cycloalkylene or arylene); R.sub.2, R.sub.3 and R.sub.4 are alkyl, cycloalkyl or aryl; it being possible for at least one of R.sub.3 and R.sub.4 to contain at least one hydroxyl or carboxylic acid groups or to represent a polyoxyethylene or polyester sequence.
These polymers are useful for the preparation of graft copolymers containing the units of the formula: ##STR4## where Po is a vinyl or a diene polymer sequence, and other vinyl units. These graft copolymers are useful especially as compatibility agents.

REFERENCES:
patent: 582638 (0000-01-01), Clouet
patent: 4239865 (1980-12-01), Tarao et al.
Nair et al., "Funcationalization of PMMA by a Functional `Iniferter`. . . , " Journal of Polymer Science, vol. 27, 1795-1809, 1989.
Nair et al., "Triblock Copolymers vai thermal `macroiniferters`. . . ," Makromol. Chem. 192, 579-590 (1991).

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