Method for producing a multi-layer molded article
US6045732A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1997 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Oct 22, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2037/0042
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multi-layer molded article having a skin material layer made of a vinyl chloride resin, a propylene resin core, and an adhesive layer present between the skin material layer and the core, in which the adhesive layer includes (A) a layer having (a) a sublayer containing a polyester resin and an epoxy group-containing ethylene copolymer, which is bonded to the skin material of the vinyl chloride resin, and (b) a sublayer containing at least one copolymer selected from an ethylene copolymer and an epoxy group-containing copolymer, which is bonded to said propylene resin core, or (B) a layer obtained from an ethylene resin composition containing a polybasic carboxylic acid and an epoxy-group containing copolymer (c) which contains ethylene units, unsaturated carboxylic acid glycidyl ester units or unsaturated glycidyl ether units and an ethylenically unsaturated ester units other than the unsaturated carboxylic acid glycidyl ester units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.