Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1979-03-23
1982-02-16
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264349, 525934, B29D 900, B29B 104
Patent
active
043158846
ABSTRACT:
The invention concerns a process in which a shaped article is prepared by first coating the inside of a mold with a coating powder, curing the coating, introducing a thermosetting mass in the mold and curing to form an article provided with a decorative layer. The invention consists in the use of a polyester-based coating powder, obtained by absorbing a liquid catalyst in part of the unsaturated components making up the powder, separately grinding that part and a mixture of the remaining components to about the same particle size and mixing the powders thus obtained. The invention assures better curing of the coating.
REFERENCES:
patent: 3085988 (1963-04-01), Hull et al.
patent: 3230284 (1966-01-01), Iverson et al.
patent: 3784664 (1974-01-01), Nicklin
patent: 3801693 (1974-04-01), Stallings et al.
patent: 3873493 (1975-03-01), Labana
Lowe James B.
Stamicarbon B.V.
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