US4582888A
Expired / Lapsed
US
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Process for production of isocyanurate ring-containing polyisocyanate and resin composition for urethane paints comprising said polyisocyanate and acrylic polyol
Assignee: DIC Corp
•
Filing: 1985-02-28
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Granted: 1986-04-15
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Expires: 2005-02-28
Abstract
Abstract A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst. A resin composition for urethane paints comprising the polyisocyanate as an essential ingredient.
Inventors
- 👤 Mitsuo Kase
- 👤 Noboru Okoshi
- 👤 Kazue Tsuyuzaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:18
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C08G18/8003; C08G18/8006; C08G18/8009; C08G18/8012; C08G18/08; C08G18/16; C08G18/18; C08G18/1875; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; C08G18/6229; C08G18/77; C08G18/78; C08G18/79; C08G18/791; C08G2120/00
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
58 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst.
Claim 2
Dependent Claim
58 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst.
Claim 3
Dependent Claim
68 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst and a promoter containing reactive active hydrogen in the molecule.
Claim 4
Dependent Claim
68 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst and a promoter containing reactive active hydrogen in the molecule.
Claim 5
Dependent Claim
88 words
A non-yellowing fast-drying resin composition for urethane paints comprising a polyisocyanate containing an isocyanurate ring obtained by reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst, and an acrylic polyol having a number average molecular weight of 2,000 to 30,000 and a hydroxyl value of 20 to 200 as essential ingredients.
Claim 6
Dependent Claim
88 words
A non-yellowing fast-drying resin composition for urethane paints comprising a polyisocyanate containing an isocyanurate ring obtained by reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst, and an acrylic polyol having a number average molecular weight of 2,000 to 30,000 and a hydroxyl value of 20 to 200 as essential ingredients.
Claim 7
Dependent Claim
95 words
A non-yellowing fast-drying resin composition for urethane paints comprising a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst and a promoter containing reactive active hydrogen in the molecule, and an acrylic polyol having a number average molecular weight of 2,000 to 30,000 and a hydroxyl value of 20 to 200.
Claim 8
Dependent Claim
95 words
A non-yellowing fast-drying resin composition for urethane paints comprising a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates with a diol having a molecular weight of 100 to 1,000 and containing at least 3 hydrocarbon substituents per molecule in the presence of an isocyanurating catalyst and a promoter containing reactive active hydrogen in the molecule, and an acrylic polyol having a number average molecular weight of 2,000 to 30,000 and a hydroxyl value of 20 to 200.
Claim 9
Dependent Claim
17 words
The process of claim 1 or 2 wherein the diol has alkyl groups as the hydrocarbon substituents.
Claim 10
Dependent Claim
12 words
The process of claim 1 or 2 wherein the diol is 2,2,4-trimethyl-1,3-pentanediol.
Claim 11
Dependent Claim
28 words
The process of claim 1 or 2 wherein the isocyanurating catalyst is a compound having a low electron density and containing a strongly cationic atom or atomic grouping.
Claim 12
Dependent Claim
128 words
The process of claim 1 or 2 wherein the isocyanurating catalyst is a compound represented by the general formula ##STR11## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other, R 4 represents a hydrogen atom, a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a hydroxyl group, and R 5 , R 6 and R 7 are identical or different and each represents a hydrogen atom or a C 1 -C 20 hydrocarbon group.
Claim 13
Dependent Claim
114 words
The process of claim 1 or 2 wherein the isocyanurating catalyst is a choline-type dicarboxylate derivative represented by the general formula ##STR12## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other at the hydrocarbon groups bonded to the same quaternary nitrogen atom, R 4 represents a hydrogen atom or a C 1 -C 20 hydrocarbon group, and X represents a C 1 -C 20 dicarboxylic acid residue.
Claim 14
Dependent Claim
41 words
The process of claim 1 or 2 wherein the isocyanurating catalyst is used as a solution in an organic solvent in an amount of 0.001 to 0.2% by weight based on the total amount of the diisocyanate compound and the diol.
Claim 15
Dependent Claim
11 words
The process of claim 2 wherein the promoter is an alcohol.
Claim 16
Dependent Claim
152 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates in the presence of an isocyanurating catalyst represented by the general formula ##STR13## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other, R 4 represents a hydrogen atom, a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a hydroxyl group, and R 5 , R 6 and R 7 are identical or different and each represents a hydrogen atom or a C 1 -C 20 hydrocarbon group.
Claim 17
Dependent Claim
152 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compound selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates in the presence of an isocyanurating catalyst represented by the general formula ##STR13## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other, R 4 represents a hydrogen atom, a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a hydroxyl group, and R 5 , R 6 and R 7 are identical or different and each represents a hydrogen atom or a C 1 -C 20 hydrocarbon group.
Claim 18
Dependent Claim
136 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compounds selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates in the presence of an isocyanurating catalyst represented by the general formula ##STR14## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other at the hydrocarbon groups bonded to the same quaternary nitrogen atom, R 4 represents a hydrogen atom or a C 1 -C 20 hydrocarbon group, and X represents a C 1 -C 20 dicarboxylic acid residue.
Claim 19
Dependent Claim
136 words
A process for producing a polyisocyanate containing an isocyanurate ring, which comprises reacting at least one diisocyanate compounds selected from the group consisting of alkylene diisocyanates, cycloalkylene diisocyanates and aralkylene diisocyanates in the presence of an isocyanurating catalyst represented by the general formula ##STR14## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other at the hydrocarbon groups bonded to the same quaternary nitrogen atom, R 4 represents a hydrogen atom or a C 1 -C 20 hydrocarbon group, and X represents a C 1 -C 20 dicarboxylic acid residue.
Claim 20
Dependent Claim
17 words
The composition of claim 3 or 4 wherein the diol contains alkyl groups as the hydrocarbon substituents.
Claim 21
Dependent Claim
12 words
The composition of claim 3 or 4 wherein the diol is 2,2,4-trimethyl-1,3-pentanediol.
Claim 22
Dependent Claim
27 words
The composition of claim 3 or 4 wherein the isocyanurating catalyst is a compound having a low electron density and a strongly cationic atom or atomic grouping.
Claim 23
Dependent Claim
128 words
The composition of claim 3 or 4 wherein the isocyanurating catalyst is a compound represented by the general formula ##STR15## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other, R 4 represents a hydrogen atom, a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a hydroxyl group, and R 5 , R 6 and R 7 are identical or different and each represents a hydrogen atom or a C 1 -C 20 hydrocarbon group.
Claim 24
Dependent Claim
114 words
The composition of claim 3 or 4 wherein the isocyanurating catalyst is a choline-type dicarboxylate derivative represented by the general formula ##STR16## wherein R 1 , R 2 and R 3 are identical or different and each represents a C 1 -C 20 hydrocarbon group or a C 1 -C 20 hydrocarbon group containing a nitrogen, oxygen or sulfur atom, at least two of R 1 , R 2 and R 3 may be linked to each other at the hydrocarbon groups bonded to the same quaternary nitrogen atom, R 4 represents a hydrogen atom or a C 1 -C 20 hydrocarbon group, and X represents a C 1 -C 20 dicarboxylic acid residue.
Claim 25
Dependent Claim
41 words
The composition of claim 3 or 4 wherein the isocyanurating catalyst is used as a solution in an organic solvent in an amount of 0.001 to 0.2% by weight based on the total amount of the diisocyanate compound and the diol.
Claim 26
Dependent Claim
13 words
The composition of claim 3 or 4 wherein the promoter is an alcohol.
References Cited (Backward Citations)
US4040992A
Cited
US4540781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |