Substrate for surface protective sheet and surface protective sheet
US10315394B2 · kind B2 · utility
1Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2015 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Dec 17, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2221/6834
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The substrate for surface protective sheet of the present invention is a substrate for surface protective sheet including a support film and an antistatic layer provided on one face of the support film, wherein a stress relaxation rate of the substrate for surface protective sheet is 60% or more; the antistatic layer is one formed by curing an antistatic layer-forming composition containing a curing component and a metal filler; and the content of a metal filler is 55 mass % or more relative to the total mass of the curing component and the metal filler, and the curing component includes a urethane acrylate oligomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.