Aqueous treating composition for glass fiber strands used to produce mats for thermoplastic polymers
US4369264A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1980 |
| Grant date | Jan 18, 1983 |
| Priority date | — |
| Expiry date | Dec 30, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2962
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Glass fibers are treated with an aqueous treating composition having a lubricant and either a mixture of heat stable organic peroxide, vinyl-containing coupling agent and nonionic surfactant and optionally a film former such as polyvinylacetate or carboxylated compatible polymer film former like carboxylated polypropylene and an amino coupling agent. Other materials such as softeners, pigments and the like may be added to the aqueous treating composition. The treated glass fiber strands are used in the form of continuous glass strands or chopped strands or a mixture thereof to prepare glass fiber strand mat for use in reinforcing thermoplastic polymers. Thermoplastic polymers reinforced with mats made of the treated glass fiber strands of the present invention have improved stamping properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.