Patent · US Expired

Activated adhesive system

US5702771A · kind A · utility

21Cited by
27References
13Claims
0Family size

Inventors

Key dates

Filing dateMay 25, 1995
Grant dateDec 30, 1997
Priority date
Expiry dateMay 25, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2891
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method of increasing the tack of a pressure sensitive adhesive by exposing a polymeric pressure sensitive adhesive to an activating treatment, activatable articles containing such an adhesive and adhesive compositions resulting from such an activating treatment. The activatable, polymeric, pressure sensitive adhesive is preferably a water based adhesive prepared by free radical polymerization of acrylic acid, methacrylic acid, acrylate, or methacrylate monomers having from 1 to about 12 carbon atoms. The activating treatment is preferably corona charging or corona charging in combination with uv light.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.