Patent EP0344912A2 successfully refreshed from Google Patents.
EP0344912A2
Expired / Lapsed
EP
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Non-hairing moisture curable compositions
Assignee: 3M Co
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Filing: 1989-04-28
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Granted: —
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Expires: 2009-04-28
Abstract
Abstract A mixture of hydroxy functional polymers which can be used to form isocyanate prepolymers which are non-hairing at application temperature are disclosed. Examples of suitable mixtures of hydroxy functional polymers that can be used to form the prepolymers are: (1) linear polyester blends, comprising a first and second polyester wherein each polyester is the reaction product of a polyol and a polyacid, wherein a + b < or = 4, c + d > or = 6 a + b > 4 or ≦ 6, c + d > or = 10 a + b > 6 or ≦ 8, c + d > or = 12 herein a is the number of methylene moieties in the polyol used to form the first polyester, b is the number of methylene moieties in the polyacid used to form the first polyester, c is the number of methylene moieties in the polyol used to form the second polyester of the blend, d is the number of methylene moieties in the polyacid used to form the second polyester of the blend; and (2) a blend of at least one non-linear polyester and one linear polyester, wherein the non-linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non-linear polyester is polyneopentyl adipate or polypropylene adipate; and (3) a blend of poly ε-caprolactone and at least one linear polyester selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Inventors
- 👤 Lani S. C/O Minnesota Mining And Kangas
- 👤 Charles W. C/O Minnesota Mining And Stobbie Iv
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 12:14
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/04; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4202; C08G18/08; C08G18/10; C08G18/12; C08G2150/00; C08G2150/20; C08G2190/00; C08G2250/00
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
36 words
A non-hairing, moisture curable, hot melt composition having a number average molecular weight of between about 1,000 and 10,000 comprising the reaction product of two or more hydroxy-functional polymers that are solid at 25°C. with polyisocyanates.
Claim 2
Dependent Claim
36 words
A non-hairing, moisture curable, hot melt composition having a number average molecular weight of between about 1,000 and 10,000 comprising the reaction product of two or more hydroxy-functional polymers that are solid at 25°C. with polyisocyanates.
Claim 3
Dependent Claim
252 words
A non-hairing composition according to claim 1 wherein said hydroxy functional polymers are selected from the group consisting of: (1) linear polyester blends, comprising a first and second polyester wherein each polyester is the reaction product of a polyol and a polyacid, wherein a + b < or = 4, c + d > or = 6 a + b > 4 or ≦ 6, c + d > or = 10 a + b > 6 or ≦ 8, c + d > or = 12 wherein a is the number of methylene moieties in the polyol used to form the first polyester, b is the number of methylene moieties in the polyacid used to form the first polyester, c is the number of methylene moieties in the polyol used to form the second polyester of the blend, d is the number of methylene moieties in the polyacid used to form the second polyester of the blend; and (2) a blend of at least one non-linear polyester and one linear polyester, wherein the non-linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non-linear polyester is polyneopentyl adipate or polypropylene adipate; and (3) a blend of poly ε-caprolactone and at least one linear polyester selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Claim 4
Dependent Claim
16 words
The non-hairing composition of claim 2, wherein said hydroxy functional polymers are selected from group (1).
Claim 5
Dependent Claim
16 words
The non-hairing composition of claim 2, wherein said hydroxy functional polymers are selected from group (2).
Claim 6
Dependent Claim
16 words
The non-hairing composition of claim 2 wherein said hydroxy functional polymers are selected from group (3).
Claim 7
Dependent Claim
242 words
The non-hairing composition of claim 1 wherein said hydroxy functional polymers are selected from (1) linear polyester blends, wherein the polyester is the reaction product of a diol and a diacid, wherein a + b = 4, c + d > or = 6 a + b = 6, c + d > or = 10 a + b = 8, c + d > or = 12 wherein a is the number of methylene moieties in the diol used to form the first polyester, b is the number of methylene moieties in the diacid used to form the first polyester, c is the number of methylene moieties in the diol used to form the second polyester, d is the number of methylene moieties in the diacid used to form the second polyester; and (2) a blend of a linear and non linear polyesters, wherein the non linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non linear polyester is polyneopentyl adipate or polypropylene adipate; (3) a mixture of polyethylene adipate and polyhexamethylene adipate; or (4) a mixture of linear polyesters wherein one of the linear polyesters is poly ε-caprolactone and the others are selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Claim 8
Dependent Claim
16 words
The non-hairing composition of claim 6 wherein said hydroxy functional polymers are selected from group (1).
Claim 9
Dependent Claim
16 words
The non-hairing composition of claim 6 wherein said hydroxy functional polymers are selected from group (2).
Claim 10
Dependent Claim
16 words
The non-hairing composition of claim 6 wherein said hydroxy functional polymers are selected from group (3).
Claim 11
Dependent Claim
16 words
The non-hairing composition of claim 6 wherein said hydroxy functional polymers are selected from group (4).
Claim 12
Dependent Claim
21 words
The non-hairing composition of claim 9, wherein the weight ratio of polyethylene adipate to polyhexamethylene adipate is between 85:15 to 15:85.
Claim 13
Dependent Claim
16 words
The non-hairing composition of claim 11 wherein the weight ratio is between about 80:20 and 20:80.
Claim 14
Dependent Claim
16 words
The non-hairing composition of claim 11 wherein the weight ratio is between about 70:30 and 30:70.
Claim 15
Dependent Claim
12 words
The non-hairing composition of claim 1 wherein said polyisocyanates are aromatic diisocyanates.
Claim 16
Dependent Claim
35 words
The hot melt composition of claim 6 wherein said diol or polyol is selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, dipropylene glycol, tripropylene glycol, 1,2-hexanediol, 1,4-butanediol, and 1,6-hexanediol.
Claim 17
Dependent Claim
23 words
The hot melt composition of claim 1, wherein said polyisocyanates are selected from the group consisting of diphenylmethane-4,4′-diisocyanate, tolylene-2,4-diisocyanate, tolylene-2,6-diisocyanate, and mixtures thereof.
Claim 18
Dependent Claim
44 words
The hot melt composition of claim 1, wherein said polyacid is selected from the group consisting of saturated aliphatic dicarboxylic acids containing 4 to 10 carbon atoms, aromatic dicarboxylic acids containing 4 to 10 carbon atoms, aromatic dicarboxylic acids, and their corresponding esterified analogs.
Claim 19
Dependent Claim
13 words
The hot melt composition of claim 1 wherein said composition contains a catalyst.
Claim 20
Dependent Claim
23 words
The hot melt composition of claim 18 wherein said catalyst is selected from the group consisting of tertiary amines, metal-organic compounds, and co-curatives.
Claim 21
Dependent Claim
13 words
The hot melt composition of claim 19, wherein the catalyst is dibutyltin dilaurate.
Claim 22
Dependent Claim
32 words
The hot melt composition of claim 19, wherein the catalyst is a metal-organic compound and is present in an amount of at least 0.01 percent, based on the weight of the composition.
Claim 23
Dependent Claim
24 words
A method for bonding substrates which comprises contacting a substrate with a bond-forming amount of a hot melt moisture curable composition of claim 1.
Claim 24
Dependent Claim
19 words
The composition of claim 1, wherein the molecular weight of the hot melt composition is between 1000 and 6000.
Claim 25
Dependent Claim
240 words
A blend of hydroxy functional polymers comprising (1) linear polyester blends, comprising a first and second polyester wherein each polyester is the reaction product of a polyol and a polyacid, wherein a + b < or = 4, c + d > or = 6 a + b > 4 or ≦ 6, c + d > or = 10 a + b > 6 or ≦ 8, c + d > or = 12 wherein a is the number of methylene moieties in the polyol used to form the first polyester, b is the number of methylene moieties in the polyacid used to form the first polyester, c is the number of methylene moieties in the polyol used to form the second polyester of the blend, d is the number of methylene moieties in the polyacid used to form the second polyester of the blend; and (2) a blend of at least one non-linear polyester and one linear polyester, wherein the non-linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non-linear polyester is polyneopentyl adipate or polypropylene adipate; and (3) a blend of poly ε-caprolactone and at least one linear polyester selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Claim 26
Dependent Claim
240 words
A blend of hydroxy functional polymers comprising (1) linear polyester blends, comprising a first and second polyester wherein each polyester is the reaction product of a polyol and a polyacid, wherein a + b < or = 4, c + d > or = 6 a + b > 4 or ≦ 6, c + d > or = 10 a + b > 6 or ≦ 8, c + d > or = 12 wherein a is the number of methylene moieties in the polyol used to form the first polyester, b is the number of methylene moieties in the polyacid used to form the first polyester, c is the number of methylene moieties in the polyol used to form the second polyester of the blend, d is the number of methylene moieties in the polyacid used to form the second polyester of the blend; and (2) a blend of at least one non-linear polyester and one linear polyester, wherein the non-linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non-linear polyester is polyneopentyl adipate or polypropylene adipate; and (3) a blend of poly ε-caprolactone and at least one linear polyester selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Claim 27
Dependent Claim
234 words
A blend of hydroxy-functional polymers comprising (1) linear polyester blends, wherein the polyester is the reaction product of a diol and a diacid, wherein a + b = 4, c + d > or = 6 a + b = 6, c + d > or = 10 a + b = 8, c + d > or = 12 wherein a is the number of methylene moieties in the diol used to form the first polyester, b is the number of methylene moieties in the diacid used to form the first polyester, c is the number of methylene moieties in the diol used to form the second polyester, d is the number of methylene moieties in the diacid used to form the second polyester; and (2) a blend of a linear and non linear polyesters, wherein the non linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non linear polyester is polyneopentyl adipate or polypropylene adipate; (3) a mixture of polyethylene adipate and polyhexamethylene adipate; or (4) a mixture of linear polyesters wherein one of the linear polyesters is poly ε-caprolactone and the others are selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
Claim 28
Dependent Claim
234 words
A blend of hydroxy-functional polymers comprising (1) linear polyester blends, wherein the polyester is the reaction product of a diol and a diacid, wherein a + b = 4, c + d > or = 6 a + b = 6, c + d > or = 10 a + b = 8, c + d > or = 12 wherein a is the number of methylene moieties in the diol used to form the first polyester, b is the number of methylene moieties in the diacid used to form the first polyester, c is the number of methylene moieties in the diol used to form the second polyester, d is the number of methylene moieties in the diacid used to form the second polyester; and (2) a blend of a linear and non linear polyesters, wherein the non linear polyester is selected from the group consisting of polyneopentyl adipate, polypropylene adipate and polycyclohexanedimethyl adipate, and the linear polyester is selected from the group consisting of polyethylene adipate, polybutylene succinate, and polyhexamethylene sebacate, provided that when the linear polyester is polyhexamethylene sebacate, the non linear polyester is polyneopentyl adipate or polypropylene adipate; (3) a mixture of polyethylene adipate and polyhexamethylene adipate; or (4) a mixture of linear polyesters wherein one of the linear polyesters is poly ε-caprolactone and the others are selected from the group consisting of polyethylene adipate, polyethylene succinate and polybutylene succinate.
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