Polymers containing thiuram disulfide groups and their preparati

Details Polymers containing thiuram disulfide groups and their preparati Polymers containing thiuram disulfide groups and their preparati

1990-09-14

1996-02-06

Clark, W. Robinson

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

Synthetic resins

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

525472, 525261, C08L 5904

Patent

active

054896541

ABSTRACT:
The invention is directed to polymers containing thiuram disulfide groups and their preparation. These polymers are iniferters in radical polymerization of vinyl monomers. Macroiniferters (having one thiuram disulfide group in their main chain) and polyiniferters (having more than one thiuram disulfide group in their main chain) result respectively, in triblock copolymers PA--PB--PA and diblock copolymers. --PA--PB).sub.z, z having a value from 2 to 25.

REFERENCES:
patent: 4758608 (1988-07-01), Collins et al.
patent: 5189112 (1993-02-01), Clovet
patent: 5200545 (1993-04-01), Clouet et al.
patent: 5288808 (1994-02-01), Clovet
Nair et al., "Functionalization of PMMA by a Functional `Iniferter`: Kinetics of Polymerization of MMA Using N,N'-Diethyl-N,N'-Bis(2-Hydroxyethyl)thiuram Diulfide," Journal of Polymer Science: Part A: Polymer Chemistry, vol. 27, pp. 1795-1809 (1989).
U.S. Ser. No. 08/115,256 Sep. 2, 1993 Clouet et al.

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