Hot pressing method of forming a composite laminate containing expanded thermoplastic particles
US5792398A · kind A · utility
16Cited by
10References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Jul 8, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2305/026
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite material comprises a web shaped material which is impregnated with a curable resin and which contains thermoplastic particles distributed in the web shaped material. The thermoplastic particles are of an expandable type but occur in the composite material in substantially unexpanded form. The curable resin is in a A- or B-stage. In addition, the invention comprises use of a composite material of this nature for producing laminates by warm pressing and expanding the thermoplastic particles and a method for producing the composite material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.