Moisture curable adhesive composition
AssigneeArkema France
InventorsPatil VISHAL, Xianping WANG
Life of this patent
Estimating the term…
Abstract
A moisture curable adhesive composition for bonding a first substrate and a second substrate wherein the adhesive composition comprising a polyurethane adhesive composition comprising an isocyanate terminated urethane prepolymer, which is a reaction product of at least one isocyanate containing compound and at least one polyether polyol triblock copolymer having a weight average molecular weight below 4,000 Dalton, is disclosed in the present disclosure. Also disclosed a moisture curable adhesive composition comprising the polyurethane adhesive composition of the present disclosure and a primer composition.
Claims22
A moisture curable adhesive composition for bonding a first substrate and a second substrate, the adhesive composition comprising:
- a polyurethane adhesive composition comprising an isocyanate terminated urethane prepolymer, which is a reaction product of at least one isocyanate containing compound and at least one polyether polyol triblock copolymer having a weight average molecular weight of below 4,000 Dalton, wherein the urethane prepolymer has an isocyanate containing compound in an amount of from 10 wt. % to 30 wt. %, based on the total weight of the pre-polymer,
- wherein the first substrate is a lignocellulosic substrate and the second substrate comprises a lignocellulosic substrate or a non-lignocellulosic substrate.
(canceled)
A moisture curable adhesive composition for bonding a first substrate and a second substrate, the adhesive composition comprising:
- (i) a polyurethane adhesive composition comprising an isocyanate terminated urethane prepolymer, which is a reaction product of at least one isocyanate containing compound and at least one polyether polyol triblock copolymer having a weight average molecular weight below 4,000 Dalton;
- and
- (ii) an aqueous primer composition comprises (i) from 1 wt. % to 30 wt. % of water;
- (ii) from 20 wt. % to 50 wt. % of alkyl sulfosuccinate;
- (iii) from 20 wt. % to 50 wt. % of alkoxylated phenol;
- and (iv) from 0.1 wt. % to 3 wt. % of a flame retardant,
- wherein the first substrate is a lignocellulosic substrate and the second substrate comprises a lignocellulosic substrate or a non-lignocellulosic substrate.
(canceled)
Dependencies are inferred from the claim text.