Process for producing a synthetic resin article having improved

Details Process for producing a synthetic resin article having improved Process for producing a synthetic resin article having improved

1974-05-28

1977-08-09

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264216, 264255, 264261, 264297, 264316, B29D 708, B29D 714, B29D 900

Patent

active

040411206

ABSTRACT:
A process for producing a synthetic resin article having an excellent resistance to surface abrasion is described which is characterized by having a synthetic resin surface layer, firmly adhered to the base resin, the synthetic resin surface layer comprising a polymer or copolymer containing at least 40% by weight in polymerized form of at least one compound having a total of at least three acryloxy (CH.sub.2 .dbd.CH.CO.0-) and/or methacryloxy (CH.sub.2 .dbd.CH(CH.sub.3)CO.O-) groups in the molecule. The article is prepared by (1) forming the above synthetic resin layer on the inner surface of a mold and then, charging a monomer for base resin into the mold and polymerizing the monomer, or (2) directly forming the synthetic resin surface layer on the surface of a synthetic resin shaped article.

REFERENCES:
patent: 2989774 (1961-06-01), Erickson et al.
patent: 2997745 (1961-08-01), Kroeker
patent: 3506755 (1970-04-01), Rudder et al.
patent: 3518341 (1970-06-01), Haryu
patent: 3551311 (1970-12-01), Nass et al.
patent: 3600490 (1971-08-01), Billingsley et al.
patent: 3682875 (1972-08-01), O'Sullivan et al.
patent: 3704264 (1972-11-01), Gorman
patent: 3872197 (1975-03-01), Kato et al.

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