Stabilized polyvinyl chloride
US5814691A · kind A · utility
10Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1995 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Dec 4, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3432
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a PVC composition comprising a stabilizer combination of (b) polyDHP of the formula I ##STR1## where the radicals T, L, R, R', R" are as defined in claim 1, (c) a substance from the group consisting of PA2 crystalline hydrotalcites, PA2 crystalline or amorphous zeolites, PA2 crystalline or amorphous dawsonites, magadiites or kenyaites, disaccharide alcohols and PA2 sterically hindered amines containing the structural unit ##STR2## in which R.degree. is hydrogen or methyl, and (d) at least one zinc, aluminium or lanthanoid compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.