Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivatives
US5216156A · kind A · utility
16Cited by
11References
10Claims
0Family size
Assignee
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Key dates
| Filing date | May 5, 1992 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | May 5, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/3842
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1-Hydrocarbyloxy-2,2,6,6-tetramethylpiperidine derivatives of s-triazines having functional groups such as hydroxy, amino, carboxy, epoxy, isocyanate or the like present are capable of chemically bonding with polymer substrates having anhydride, epoxide, alkoxymethylmelamine or isocyanate moieties present. This chemical bonding prevents migration or loss of the stabilizer during subsequent processing or end-use application of the stabilized polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.