Patent · US Expired

Pressure-sensitive removable adhesives based on polyacrylates, preparation process and articles containing them

US6284837A · kind A · utility

0Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1998
Grant dateSep 4, 2001
Priority date
Expiry dateJul 24, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2891
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to pressure-sensitive removable adhesives based on polyacrylates, characterized in that they comprise a compound of formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which are identical or different, represent a linear or branched C.sub.1 -C.sub.8, preferably C.sub.2 -C.sub.6, alkyl radical; and R.sub.4 represents H or an acyl radical COR.sub.5 wherein R.sub.5 is a linear or branched C.sub.1 -C.sub.3 alkyl radical. The present invention also relates to a process for the preparation of said adhesives. The present invention further relates to adhesive labels and tapes comprising said adhesives.

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