Solid feeding of silane crosslinking agents into extruder

Details Solid feeding of silane crosslinking agents into extruder Solid feeding of silane crosslinking agents into extruder

1989-10-30

1992-05-12

Marquis, Melvyn I.

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

Synthetic resins

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

525244, 525288, C08F25500

Patent

active

051129191

ABSTRACT:
A process for producing a polymer crosslinkable by exposure to moisture in the presence of a hydrolysis/condensation catalyst comprising blending (i) a thermoplastic base polymer, (ii) a solid carrier polymer containing a silane, and (iii) a free radical generator; heating and mixing (i), (ii) and (iii) together at a temperature above the crystalline melting point of said base polymer; optionally, a free-radical generator, hydrolysis/condensation catalyst, and other additives are contained in the solid carrier polymer.

REFERENCES:
patent: 3646255 (1972-02-01), Scott
patent: 4117195 (1978-09-01), Swarbrick et al.
patent: 4247498 (1981-01-01), Castro
patent: 4379860 (1983-04-01), Fickel
patent: 4647630 (1987-03-01), Schmid
patent: 4707517 (1987-11-01), Bullen et al.
patent: 4783511 (1988-11-01), Schmid
Chem Abstract, vol. 96, No. 14, Apr. 1982, Columbus, Ohio, U.S.; abstract No. 105184Y, p. 32; & JP-A-56 155 213 (Chisso Corp) Jan. 12, 1981.
Chem Abstract, vol 100, No. 10, Mar. 1984, Columbus, Ohio, U.S.; abstract No. 69488R, p. 52; & JP-A-58 117 245 (Chisso Corp) Dec. 7, 1983.

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