Method for preparing molded articles of cross-linked polyolefin

Details Method for preparing molded articles of cross-linked polyolefin Method for preparing molded articles of cross-linked polyolefin

1993-06-11

1999-09-14

Buttner, David

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

Synthetic resins

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

525 72, 525195, C08L 2312, C08L 4304

Patent

active

059524260

ABSTRACT:
A method for preparing molded articles of a crosslinked polyolefin is here disclosed which comprises the steps of mixing polyolefin granules comprising polyolefin granules containing a hydrosilylation catalyst, polyolefin granules containing the copolymer of an alkenylsilane and an olefin, and if necessary, polyolefin granules containing neither the hydrosilylation catalyst nor the copolymer of the alkenylsilane and the olefin, and then heating, melting and molding the mixture in a molding machine.
According to the present invention, the molded articles of the crosslinked polyolefin containing no residual crosslinking agent and having improved heat resistance and mechanical strength can be obtained by the easy method which comprises mixing the above-mentioned respective granules, and then heating, melting and molding the mixture.

REFERENCES:
patent: 4558094 (1985-12-01), Deguchi
patent: 4602094 (1986-07-01), Mitchell
patent: 4784879 (1988-11-01), Lee et al.
patent: 4798864 (1989-01-01), Topcik
patent: 4898961 (1990-02-01), Baile
patent: 4925671 (1990-05-01), Abber
patent: 5151310 (1992-09-01), Yanagisawa

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