Stampable reinforced thermoplastic sheet and articles obtained from said sheet
US5334427A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1992 |
| Grant date | Aug 2, 1994 |
| Priority date | — |
| Expiry date | Dec 11, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/687
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Stampable reinforced thermoplastic sheet, at least one face of which comprises, from the outside to the inside, at least three successive layers abc, in which: PA0 a is a matrix comprising a thermoplastic resin reinforced by at least two fillers of different nature and/or type chosen from fillers of the lamellar type and of the spherical or substantially spherical type, PA0 b is an interfacial binder chemically compatible with the thermoplastic resin of a and having, with respect to the latter, a lower viscosity at the temperatures at which the sheets are produced and used, and PA0 c is a reinforcement comprising a needled glass mat. Articles obtained from the sheets by stamping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.