US 10,563,098 B2 · Stabilization of hot melt adhesives

Abstract

The present invention pertains to a stabilized hot melt adhesive containing a) one or more hot melt adhesive materials and b) a stabilizer composition. The one or more hot melt adhesive materials a) include a polyolefin, a styrene-isoprene-styrene block co-polymer, a styrene-butadiene-styrene block co-polymer, a polyacrylate, an acryl-copolymer, an ethylene vinyl acetate, a polyamide, a polyester, a polyurethane, a polyimide, a silane terminated polyolefin, a silane terminated poly-ether, and a silane terminated polyurethane. The stabilizer composition includes two or three of a component (A) which is a specific sterically hindered amine, a component (B) which is a polymeric sterically hindered amine, and a component (C) which is a specific sterically hindered phenol.

Claims11

Dependent claims

A stabilized hot melt adhesive, comprising

a) one or more hot melt adhesive materials selected from the group consisting of a polyolefin, a styrene-isoprene-styrene block co-polymer, a styrene-butadiene-styrene block co-polymer, an polyacrylate, a styrene-ethylene-butadiene-styrene acryl-copolymer, an ethylene vinyl acetate, a polyamide, a polyester, a polyurethane, a polyimide, a silane terminated polyolefin, a silane terminated polyether, and a silane terminated polyurethane;
and
b) a stabilizer composition comprising two or three of components (A), (B) and (C),
wherein the stabilizer composition comprises components (A) and (C) or the stabilizer composition comprises components (A), (B), and (C),
wherein (A) is a sterically hindered amine selected from the group consisting of:
wherein (B) is a polymeric sterically hindered amine selected from the group consisting of:
and
wherein (C) is a sterically hindered phenol selected from the group consisting of:

5 more elements

Dependencies are inferred from the claim text.

Stabilization of hot melt adhesives

Life of this patent

Stabilization of hot melt adhesives

Life of this patent

Abstract

Claims11