Flow modifier for thermoplastic resin and thermoplastic resin composition containing the same
US5278212A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1992 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/123
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A flow modifier for a thermoplastic resin, which is a hydroxyphenyl-containing organophosphorus compound represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents a hydroxyl group, ##STR2## a hydrogen atom, or an alkyl group having 1 to 6 carbon atoms; a, b, c, and d each represents an integer of from 1 to 3; n represents 0 or an integer of from 1 to 3; when n is 0 or 1, the compound contains one hydroxyl group or ##STR3## group per molecule; and when n is 2 or 3, the compound contains one or two, in total, of hydroxyl group and ##STR4## group per molecule and thermoplastic resin composition containing the flow modifier is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.