Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
200 words
An adhesive composition comprising in solution in an organic solvent: (I) a phenolic resol resin having a methylol content of at least about 15% by weight thereof; (II) a curable thermoplastic polyesterurethane substantially free of reactive isocyanate and hydroxyl groups and comprising a macropolyolpolyisocyanate reaction product, said macropolyol being selected from the group consisting of: (A) polycaprolactone; and (B) dihydroxypolyesters comprising the reaction product of: (a) a diol selected from the group consisting of dihydroxy monomers and dihydroxypolyesters; with (b) a polycarboxylic acid component containing about 30 to 100 mol % of an aromatic polycarboxylic acid or anhydride thereof and about 70 to 0 mol % of an aliphatic polycarboxylic acid or anhydride thereof; said polyesterurethane being chain-extended to a molecular weight of at least about 20,000 with a low molecular weight diol chain-extending agent, with the proviso that when the macroglycol is polycaprolcatone the chain-extending agent be a cycloaliphatic glycol; and (III) a terpolymer of vinyl chloride, vinyl acetate and maleic anhydride containing at least 1% by weight of the latter; said adhesive composition containing about 15 to 30% (I) about 25 to 40% (II) and about 35 to 55% (III) solids by weight of the total solids content.
Claim 2
Dependent Claim
200 words
An adhesive composition comprising in solution in an organic solvent: (I) a phenolic resol resin having a methylol content of at least about 15% by weight thereof; (II) a curable thermoplastic polyesterurethane substantially free of reactive isocyanate and hydroxyl groups and comprising a macropolyolpolyisocyanate reaction product, said macropolyol being selected from the group consisting of: (A) polycaprolactone; and (B) dihydroxypolyesters comprising the reaction product of: (a) a diol selected from the group consisting of dihydroxy monomers and dihydroxypolyesters; with (b) a polycarboxylic acid component containing about 30 to 100 mol % of an aromatic polycarboxylic acid or anhydride thereof and about 70 to 0 mol % of an aliphatic polycarboxylic acid or anhydride thereof; said polyesterurethane being chain-extended to a molecular weight of at least about 20,000 with a low molecular weight diol chain-extending agent, with the proviso that when the macroglycol is polycaprolcatone the chain-extending agent be a cycloaliphatic glycol; and (III) a terpolymer of vinyl chloride, vinyl acetate and maleic anhydride containing at least 1% by weight of the latter; said adhesive composition containing about 15 to 30% (I) about 25 to 40% (II) and about 35 to 55% (III) solids by weight of the total solids content.
Claim 3
Dependent Claim
16 words
A composition of claim 1 wherein the macropolyol is polycaprolactone and the chain-extending agent is dimethylolcyclohexane.
Claim 4
Dependent Claim
21 words
A composition of claim 1 wherein the phenolic resol resin has a methylol content of at least about 30% by weight.
Claim 5
Dependent Claim
21 words
A composition of claim 1 wherein the polyesterurethane has a molecular weight in the range from about 60,000 to about 300,000.
Claim 6
Dependent Claim
38 words
An adhesive composition of claim 2 wherein the phenolic resol resin has a methylol content of at least about 30% by weight and the polyesterurethane has a molecular weight in the range from about 60,000 to about 300,000.
Claim 7
Dependent Claim
32 words
A composition of claim 1 wherein the macropolyol is a dihydroxypolyester the polycarboxylic acid component of which contains at least about 30 mol % of an aromatic polycarboxylic acid or anhydride thereof.
Claim 8
Dependent Claim
21 words
A composition of claim 6 wherein the phenolic resol resin has a methylol content of at least about 30% by weight.
Claim 9
Dependent Claim
21 words
A composition of claim 6 wherein the polyesterurethane has a molecular weight in the range from about 60,000 to about 300,000.
Claim 10
Dependent Claim
40 words
A composition of claim 6 wherein the aromatic polycarboxylic acid is selected from the group consisting of phthalic acid, isophthalic acid and terephthalic acid and the anhydrides thereof and the polyesterurethane is chain-extended with a 2 to 8-carbon atom diol.
Claim 11
Dependent Claim
52 words
A composition of claim 6 wherein the dihydroxypolyester component is a reaction product of a 2 to 8-carbon atom diol with a polycarboxylic acid component containing about 30 to 100 mol % terephthalic acid or the anhydride thereof and about 70 to 0 mol % of adipic acid or the anhydride thereof.
Claim 12
Dependent Claim
63 words
A composition of claim 10 wherein the dihydroxypolyester is the reaction product of 1,6-hexanediol and an approximately 50%/50% mixture of adipic acid and terephthalic acid or the anhydrides thereof, the polyester is reacted with a mixture of 2,4- and 2,6-toluene diisocyanates to form the polyesterurethane, and the latter is chain-extended to a molecular weight in the range from about 60,000 to about 300,000.
Claim 13
Dependent Claim
19 words
A composition of claim 6 wherein the aromatic polycarboxylic acid is terephthalic acid and the chain-extending agent is dimethylolcyclohexane.
Claim 14
Dependent Claim
21 words
A composition of claim 12 wherein the phenolic resol resin has a methylol content of at least about 30% by weight.
Claim 15
Dependent Claim
21 words
A composition of claim 12 wherein the polyesterurethane has a molecular weight in the range from about 60,000 to about 300,000.
Claim 16
Dependent Claim
45 words
A composition of claim 12 wherein the dihydroxypolyester is the reaction product of 1,6-hexanediol and a polycarboxylic acid component containing about 30 to 100 mol % terephthalic acid or the anhydride thereof and about 70 to 0 mol % adipic acid or the anhydride thereof.
Claim 17
Dependent Claim
63 words
A composition of claim 15 wherein the dihydroxypolyester is the reaction product of 1,6-hexanediol and an approximately 50%/50% mixture of adipic acid and terephthalic acid or the anhydrides thereof, the polyester is reacted with a mixture of 2,4- and 2,6-toluene diisocyanate to form the polyesterurethane, and the latter is chain-extended to a molecular weight in the range from about 60,000 to about 300,000.