Patent · US Expired

Hot melt adhesive composition

US5177133A · kind A · utility

13Cited by
18References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1990
Grant dateJan 5, 1993
Priority date
Expiry dateOct 10, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09J2301/304
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An improved, stable rosin ester tackifier consisting essentially of an adduct of rosin and a polyhydric alcohol selected from the group consisting of trimethylolpropane, trimethylolethane, and mixtures thereof, and hot melt adhesive compositions consisting essentially of said tackifier and a polymer component, said compositions containing a mixture of antioxidants containing a higher alkyl diester of thiopropionic acid, a hindered phenolic compound and a phenol sulfide compound, preferably an alkyl phenol disulfide oligomer.

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