Laminate with layer of rubber-modified vinyl ester and unsaturated polyester
US4866134A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 21, 1988 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Apr 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31696
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An electric metal foil-plated laminate sheet which is obtained by laminating a cured layer of a thermosetting resin composition with electroconductive foils, said thermosetting resin composition comprising 30-85% by weight of (A) a rubber-modified vinyl ester obtained by reacting, PA0 (a) an epoxy resin, PA0 (b) a carboxyl group containing rubbery polymer derived from a conjugated diene, and PA0 (c) at least one unsaturated monocarboxylic acid selected from the group consisting of acrylic acid and methacrylic acid to react one another in amounts such that, based on 100 parts by weight of (a) the epoxy resin, (b) the carboxyl group containing rubbery polymer accounts for a proportion in the range of 5 to 80 parts by weight and that the total number of carboxylic group contained in (b) the rubbery polymer and (c) the unsaturated monocarboxylic acid falls in the range of 1.3 to 1.5 per each of the epoxy groups contained in (a) the epoxy resin at a temperature of 90.degree. to 120.degree. C., 5-30% weight of (B) a specific unsaturated polyester, and 10-60% by weight of (C) a radically polymerizable unsaturated monomer, wherein (A)+(B)+(C) equals 100% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.