Production method for pressure-sensitive adhesive composition
US8697767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2012 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Oct 2, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2475/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a production method for a pressure-sensitive adhesive composition capable of sufficiently expressing each of “attachment position correction workability” that enables a pressure-sensitive adhesive tape containing the composition to be easily aligned by the expression of good temporary attachment property, “reworkability” that enables the tape to be easily reattached, and “temperature-sensitive strong pressure-sensitive adhesiveness” that enables the tape to express strong temperature-sensitive pressure-sensitive adhesiveness. The production method for a pressure-sensitive adhesive composition is a production method for a pressure-sensitive adhesive composition containing a cross-linked polymer in which an acrylic copolymer (A) is cross-linked by a polyurethane(meth)acrylate (B), the method including irradiating a monomer mixed liquid essentially containing a (meth)acrylate and a (meth)acrylamide with an active energy ray in the presence of the polyurethane(meth)acrylate (B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.