Basic composition for the manufacture of a flexible and porous product in sheet form containing elastomer powder, product in sheet form and its manufacturing process
US5277763A · kind A · utility
6Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1992 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Aug 12, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L21/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a basic composition for the manufacture of a product in sheet form, obtained in particular by the wet method, of the type comprising a mixture of a polymer powder of given granulometry and of fibers, characterized in that it comprises a preferably intimate mixture of: PA1 a) at least one elastomer powder, of granulometry less than about 500 .mu.m, called elastomer fine dust, and PA1 b) fibers of length less than about 10 mm, selected from the group composed of natural fibers, inorganic fibers and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.