Surface-roughened rolled plate-shaped body containing converging

Details Surface-roughened rolled plate-shaped body containing converging Surface-roughened rolled plate-shaped body containing converging

1991-04-09

1993-06-15

Loney, Donald J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 3692, 428143, 428156, 428212, 428213, 4284744, 428521, 264503, 264175, 2641772, 2642105, 264293, 264299, 264310, 156196, 156209, 220574, B29D 2200, B31F 122

Patent

active

052196275

ABSTRACT:
A one-side-roughened rolled plate-like or plate-shaped body containing a converging pigment comprises a plate-like body formed from a resin composition which comprises a crystalline thermoplastic resin and a converging pigment in an amount ranging from 0.001 to 0.5 part by weight per 100 parts by weight of the resin, wherein one of the sides thereof is smooth and the other side thereof is roughened and wherein the overall haze thereof is not less than 50% and the internal haze thereof is not more than 10%. The rolled plate-like body can be prepared by rolling the foregoing plate-like body at a temperature of not more than the melting point of the resin and a thickness reduction of not less than 40% and then surface-roughening the body simultaneously with or after the rolling treatment. The rolled plate-like body can be made partially transparent upon using the same and thus makes it possible to display the color of the converging pigment clearly and brilliantly at the edge of the transparent region. Therefore, it is useful in wide variety of fields such as containers, packaging materials and character goods.

REFERENCES:
Patent Abstr. of Japan, vol. 7, No. 156, "Color Polarizing Plate"; p. 209, Jul. 8, 1983.
Patent Abstr. of Japan, vol. 7, No. 203, "Manufacture of Synthetic Resin Sheet with Transparent Part"; p. 241, Sep. 8, 1993.
Patent Abstr. of Japan, vol. 10, No. 295, "Polyethylene Sheet with Ground Design"; p. 523, Oct. 7, 1986.
WPIL; Week 8349; JP-A-58 185 224 "Manufacture Polypropyl Sheet Pack Tablet Extrude Orient Polypropylene . . . Sheet".

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