N-halothiosulfonamide-modified non-rubbery thermoplastic polyole

Details N-halothiosulfonamide-modified non-rubbery thermoplastic polyole N-halothiosulfonamide-modified non-rubbery thermoplastic polyole

1989-11-20

1991-07-23

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...

5253321, 525351, C08C 400, C08C 1922

Patent

active

050344676

ABSTRACT:
N-halothiosulfonamide-modified non-rubbery thermoplastic polyolefins are provided. The modified polyolefin products are prepared by reaction of a non-rubbery thermoplastic polyolefin polymer with an N-halothiosulfonamide in the absence or, preferably, in the presence of a catalyst. The preferred catalyst for use in the preparation of these products are salts of weak acids of specified metals.

REFERENCES:
patent: 3915907 (1975-10-01), Hopper
patent: 3970133 (1976-07-01), Hopper
patent: 4513116 (1985-04-01), Kowalski et al.
patent: 4548995 (1985-10-01), Kowalski et al.
patent: 4554326 (1985-11-01), Kowalski et al.
patent: 4563506 (1986-01-01), Kowalski et al.
patent: 4820780 (1989-04-01), Hopper
R. J. Hopper, "Improved Cocure of EPDM-Polydiene Blends by Conversion of EPDM into Macromolecular Cure Retarder", Rubber Chemistry and Technology, vol. 49, pp. 346 and Table 1.
R. J. Hopper et al., Preprint. International Conference on Advances in the Stabilization and Controlled Degradation of Polymers, Ozone Resistant, Co-Curable Blends of Chemically Modified EPDM with Polydiene Elastomers, 5/84.

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