Patent · US Expired

Curable composition comprising polyether having silyl group

US4507469A · kind A · utility

33Cited by
10References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1983
Grant dateMar 26, 1985
Priority date
Expiry dateNov 8, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S528/901
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A curable composition comprising an organic polymer containing at least one hydrolyzable a group attached to the silicon per polymer molecule and having a molecular weight within the range of 300 to 15,000, wherein a curing catalyst comprising tin II salt of organic carboxylic acid and/or lead II salt of organic carboxylic acid is used in combination with an acid material and/or a basic material, thereby unexpectedly improving the set resistance thereof. The composition may be utilized as a sealant which cures upon exposure to moisture to form a rubber like substance having improved set resistance.

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