Polyolefin ionomer as processing aid for thermoplastic polyurethane
US5723544A · kind A · utility
8Cited by
11References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 3, 1997 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Jan 3, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic molding composition is disclosed comprising (i) a thermoplastic polyurethane resin and (ii) an ionomer. The ionomer is a salt of a copolymer, having a weight average molecular weight of 1,000 to 200,000, of 70 to 99 percent olefin and about 1 to 30 percent of alpha, beta-ethylenically unsaturated carboxylic acid. At least some of said carboxylic acid is neutralized by a monovalent counter-ion. The composition is characterized by its improved processability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.