Method of surface impregnating hot polycarbonate sheet with an u

Details Method of surface impregnating hot polycarbonate sheet with an u Method of surface impregnating hot polycarbonate sheet with an u

1988-12-16

1990-06-26

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

264171, 26421112, 264344, 427160, B29C 4700, B05D 702

Patent

active

049370260

ABSTRACT:
An ultraviolet radiation screening composition for on-line surface impregnating hot polycarbonate sheet. The composition includes an ultraviolet radiation screener and carrier solution which contains respective amounts of dipropylene glycol methyl ether, tripropylene glycol methyl ether, 1,2 propanediol and 1,4 butanediol. The carrier solution provides a desired level of volatility and aggressiveness for on-line surface impregnation of hot aromatic polycarbonate sheet and film.

REFERENCES:
patent: 4146658 (1979-03-01), Humphrey
patent: 4322455 (1982-03-01), Olson et al.
patent: 4323597 (1982-04-01), Olson
patent: 4349607 (1982-09-01), Ching
patent: 4396644 (1983-08-01), Taniyama et al.
patent: 4503180 (1985-03-01), Ching
patent: 4556606 (1985-12-01), Olson
patent: 4600647 (1986-07-01), Robeson et al.
patent: 4776913 (1988-10-01), Goossens et al.
patent: 4792465 (1988-12-01), Silbermann et al.

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