2,2'-Bis(6-benzotriazolylphenol) compound, ultraviolet ray absorber comprising the compound, copolymer containing the compound and polymer composition containing the compound
US6084104A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1999 |
| Grant date | Jul 4, 2000 |
| Priority date | — |
| Expiry date | Jan 8, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K15/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a 2,2'-bis(6-benzotriazolylphenol) compound represented by the formula ##STR1## wherein A represents a methylene group or the like, PA2 R.sup.1 and R.sup.5 each represent a hydrogen atom, an alkyl group or the like, PA1 R.sup.2 represents a hydrogen atom or the like, PA1 R.sup.3 represents an alkylene group or the like, and PA1 R.sup.4 represents a hydrogen atom or a methyl group. The compound of the invention is useful as an UV absorber. Further, the compound of the invention can be incorporated into a copolymer by copolymerization with a vinyl monomer, and a polymer composition containing the copolymer can be used as an UV absorber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.