Removable adhesive sheet or tape
US4822670A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1986 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Sep 8, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2843
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a removable adhesive sheet or tape which comprises adhesive fine particles attached on at least one side of a substrate through a primer resin layer comprising at least one selected from the group consisting of a poly (vinylidene chloride) resin, a poly (vinyl acetate) resin having a polymerization degree of 400 or more, a polyamide resin having a melting point of 80.degree. C. or less, a poly (vinyl chloride-vinyl acetate) type resin, a phenol-modified epoxy resin and a maleated natural rubber. According to the present invention, a removable adhesive sheet or tape which is excellent in removability even after frequent repetition of bonding to and removal from an adherend can be obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.