Hot melt adhesive composition
US5177133A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1990 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Oct 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.