Process for producing abrasion-resistant cast article

Details Process for producing abrasion-resistant cast article Process for producing abrasion-resistant cast article

1974-05-09

1976-08-31

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264166, 264236, 264255, 264331, 264338, 264347, B29D 702, B29D 900

Patent

active

039781780

ABSTRACT:
An improvement in a process for producing a synthetic resin cast article having an abrasion-resistant polymer surface layer integrated with the polymer body is provided. The improvement is characterized in that the abrasion-resistant polymer surface layer is formed by a two step polymerization procedure; in the first polymerization step, the polymerizable material is covered with a covering body such as a polymer film, closely adhered thereto, and in the second polymerization step, the polymerizable material is exposed to the air.

REFERENCES:
patent: 2997745 (1961-08-01), Kroeker
patent: 3320344 (1967-05-01), Slipp
patent: 3518341 (1970-06-01), Haryu
patent: 3539388 (1970-11-01), Tu

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