Stock material or miscellaneous articles – Pile or nap type surface or component – With coating – impregnation – or bond
Patent
1998-04-10
2000-09-12
Copenheaver, Blaine
Stock material or miscellaneous articles
Pile or nap type surface or component
With coating, impregnation, or bond
428 86, 428 91, 427386, 4273898, B32B 302, B05D 302
Patent
active
061175161
ABSTRACT:
This invention provides a laminate, both surface layers of which are each composed of a base material consisting of a glass cloth napped at least on its inner surface side and impregnated with a thermosetting resin, and the intermediate layer of which laminate is composed of a composition comprising a thermosetting resin mixed with an inorganic filler in a proportion of 10 to 300% by weight based on the weight of the resin, the surface layers and the intermediate layer having been integrated by heating and pressing. This laminate can be produced by a process comprising a step of coating napped surface of a long continuous glass cloth napped on one or both sides with a thermosetting resin containing an inorganic filler and heating the same, a step of piling a glass cloth napped on one or both sides on the above resin-coated surface so that the napped surface of the napped glass cloth faces the resin-coated surface to prepare a composite prepreg, and a step of integrating the composite prepreg by heating and pressing.
REFERENCES:
patent: 5466505 (1995-11-01), Fukuda et al.
patent: 5677045 (1997-10-01), Nagai et al.
Database WPI, 96-3366998, Class A85, JP0817436A (Suitomo Bakelite Co., Ltd.) Jul. 9, 1996.
Patent Abstract of Japan, vol. 096, No. 011, JP 08 174769 A (Hitachi Chem. Co., Ltd.) Jul. 9, 1996.
Derwent Abstract Accession No. 96-157176/16, Class A85, L03, JP08041224-A (Matsushita Electric Works) Feb. 13, 1996.
Derwent Abstract Accession No. 93-216218/27, Class A85, L03, JP05138791-A (Sumitomo Bakelite) Jun. 8, 1993.
Derwent Abstract Accession No. 88-067850/10, Class P73, JP63021969-A (UNITIKA) Jan. 29, 1988.
Derwent Abstract Accession No. 96-513885/51, Class A32, L03, JP08267664-A (Sumitomo Bakelite) Oct. 15, 1996.
Derwent Abstract Accession No. 89-188797/26, Class P73, JP01127335-A (Sumitomo Bakelite) May 19, 1989.
Copenheaver Blaine
Ruddock Ula C.
Sumitomo Bakelite Company Limited
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