Non-discoloring glass strand size
US4255317A · kind A · utility
5Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1978 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Nov 20, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2962
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A non-discoloring glass strand size comprises a thermoplastic polyurethane emulsion produced by the chain extension of an NCO-terminated prepolymer, which prepolymer is prepared by the reaction of an aliphatic or cycloaliphatic diisocyanate with a polyalkylene ether polyol and is particularly suitable for glass incorporated in polyamide resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.