Additives for resins and their compositions
US4758619A · kind A · utility
9Cited by
0References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 29, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Jun 29, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention provides an additive for resins prepared by mixing (i) an A-type zeolite having a substantially spherical form and a median particle size not larger than 5 .mu.m or an acid treated product thereof, and (ii) fine amorphous silica. The additive has high lubricating qualities and free-flowing properties. A resin composition comprising said additive shows good heat stability, antioxidizing and antiblocking properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.