Title:
ONE-STEP PROCESS FOR PRODUCING SOLID SURFACE MATERONE-STEP PROCESS FOR PRODUCING SOLID SURFACE MATERIAL WITH FOAM BACKING IAL WITH FOAM BACKING
Document Type and Number:
WIPO Patent Application WO1996031541
Kind Code:
A3
Abstract:
A process for producing solid surface material is provided with a thin layer of filled polymer integrally formed with a backing of bubble-filled polymer, without an interface or transition zone in the polymer mix, using one-step casting, with vibration to aid separation of filler and bubbles.
Inventors:
SWARTS DONALD EUGENE
Application Number:
PCT/US1996/004112
Publication Date:
January 30, 1997
Filing Date:
March 26, 1996
Export Citation:
Assignee:
DU PONT (US)
International Classes:
B32B5/18; B29C39/02; B29C41/22; C08F2/00; C08F2/44; C08F20/12; (IPC1-7): C08F/
Foreign References:
| DE2026906A1 | 1971-12-16 | |||
| US3353981A | 1967-11-21 | |||
| DE4407321A1 | 1995-09-07 | |||
| GB1389380A | 1975-04-03 | |||
| FR2352650A1 | 1977-12-23 |
Other References:
DATABASE WPI Week 7821, Derwent World Patents Index; AN 78-37608A, XP002019876
DATABASE WPI Week 9308, Derwent World Patents Index; AN 93-061277, XP002019877
PATENT ABSTRACTS OF JAPAN vol. 018, no. 474 (M - 1668) 5 September 1994 (1994-09-05)
DOC. GLAVERBEL: "Microsphères creuses de verre. Leurs caractéristiques, leurs usages", COMPOSITES, vol. 25, no. 2, March 1985 (1985-03-01), PARIS, FR, pages 78 - 85, XP002019875
DATABASE WPI Week 9308, Derwent World Patents Index; AN 93-061277, XP002019877
PATENT ABSTRACTS OF JAPAN vol. 018, no. 474 (M - 1668) 5 September 1994 (1994-09-05)
DOC. GLAVERBEL: "Microsphères creuses de verre. Leurs caractéristiques, leurs usages", COMPOSITES, vol. 25, no. 2, March 1985 (1985-03-01), PARIS, FR, pages 78 - 85, XP002019875
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