Process for obtaining mouldings with the appearance of natural s

Details Process for obtaining mouldings with the appearance of natural s Process for obtaining mouldings with the appearance of natural s

1992-11-06

1993-12-14

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

264 406, 264 75, 264 78, 264122, 264245, 26432818, 428 15, B29C 4516, B29C 4546

Patent

active

052699919

ABSTRACT:
A process for manufacturing mouldings with the appearance of natural stones from a composition including a coloured or colourless thermoplastic resin matrix and, per 100 parts by volume of this matrix, 0.2 to 80 parts by volume of at least two fillers chosen from natural fibres, carbon fibres and mineral fillers having a different grain size or dimensions. By chosing the color of the matrix and the number, proportion, grain size and color of the different fillers, the general appearance and colors of a natural stone may be imitated. The mouldings obtained after working may be used due to their aesthetic appearance, particularly as packaging for cosmetic products.

REFERENCES:
patent: 3388196 (1968-06-01), Farrell
patent: 3706825 (1972-12-01), Hall et al.
patent: 3773886 (1973-11-01), Starr et al.
patent: 3814790 (1974-06-01), Kato et al.
patent: 3906065 (1975-09-01), Schneider et al.
patent: 4128689 (1978-12-01), Heaps et al.
patent: 4137215 (1976-01-01), Van Gasse
patent: 4544584 (1985-10-01), Ross et al.
patent: 4643921 (1987-02-01), Terabe et al.
patent: 4795603 (1989-01-01), Nagayasu
patent: 5112657 (1992-05-01), Melber
Chemical Abstracts, vol. 110, No. 8, Columbus, Ohio, USA ref. No. 62710E & JP-A-63207610 (Kohjin Co.) Aug. 29, 1988.

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