# US 2014/0190369 A1 · Polyurethane polymers

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- Number: US 2014/0190369 A1
- Document ID: US20140190369A1
- Status: Published application
- Kind: A1
- Application number: 14/124,487
- Filed: 2012-06-05
- Published: 2014-07-10
- Earliest claimed: 2011-06-08
- Assignees: Bayer Intellectual Property GmbH
- Inventors: Evelyn Peiffer; Mathias Matner
- Web page: https://patentgrep.com/patent/US20140190369A1

## CPC

- C09J 175/04: Polyurethanes
- C08G 18/48: Polyethers
- C08G 18/718: {containing silicon}
- C09J 175/06: from polyesters
- C09J 175/08: from polyethers
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

## Abstract

The present invention relates to polyurethane polymers, a process for their preparation and their use as binders for adhesives, coatings or foams.

## Claims

### Claim at position 1

1-11. (canceled)

### Claim 12

A polymer modified with alkoxysilane groups, which are obtainable by reacting
a) compounds or mixtures of compounds having isocyanate-reactive groups and a hydroxyl number or amine or thiol number of greater than 30 mg of KOH/g+
with
b) an isocyanate-functional alkoxysilane compound of the general formula (I):
wherein
Z1, Z2 and Z3 are identical or different C1-C8-alkoxy or C1-C8-alkyl radicals,
which can also be bridged, but wherein at least one C1-C8-alkoxy radical must be present on each Si atom,
Q is an at least difunctional linear or branched organic radical.

### Claim 13 (depends on 12)

The polymer according to claim 12, wherein Q is an alkylene radical having 1 to 8 carbon atoms.

### Claim 14 (depends on 12)

The polymer according to claim 12, wherein X, Y and Z in formula (I) independently of each other are a methoxy or ethoxy group and R is a methylene or propylene radical.

### Claim 15 (depends on 12)

The polymer according to claim 12, wherein polyhydroxy compounds are employed as compounds having isocyanate-reactive groups.

### Claim 16 (depends on 12)

The polymer according to claim 12, wherein polyether polyols are employed as compounds having isocyanate-reactive groups.

### Claim 17 (depends on 12)

The polymer according to claim 12, wherein they have a viscosity at 23° C. of less than 20 Pas.

### Claim 18 (depends on 12)

The polymer according to claim 12, wherein they have a viscosity at 23° C. of less than 10 Pas.

### Claim 19 (depends on 12)

The polymer according to claim 12, wherein they have a viscosity at 23° C. of less than 5 Pas.

### Claim 20 (depends on 13)

The polymer according to claim 13, wherein X, Y and Z in formula (I) independently of each other are a methoxy or ethoxy group and R is a methylene or propylene radical and polyhydroxy compounds are employed as compounds having isocyanate-reactive groups and polyether polyols are employed as compounds having isocyanate-reactive groups and wherein they have a viscosity at 23° C. of less than 5 Pas.

### Claim 21 (depends on 12)

An adhesive, coating or foam which comprises the polymer according to claim 12.

### Claim 22 (depends on 12)

An adhesive and coating preparation comprising
5 wt. % to 100 wt. % of a polymer modified with alkoxysilane groups, according to claim 12, or of a mixture of two or more polymers modified with alkoxysilane groups,
0 wt. % to 30 wt. % of a plasticizer or of a mixture of two or more plasticizers,
0 wt. % to 30 wt. % of a solvent or of a mixture of two or more solvents,
0 wt. % to 5 wt. % of a moisture stabilizer or of a mixture of two or more moisture stabilizers,
0 wt. % to 5 wt. % of an antiageing agent or of a mixture of two or more antiageing agents,
0 wt. % to 5 wt. % of a catalyst or of a mixture of two or more catalysts and
0 wt. % to 80 wt. % of a filler or of a mixture of two or more fillers.

### Claim 23 (depends on 12, 22)

The adhesive according to claim 22, wherein 5 wt. % to 100 wt. % of a polymer modified with alkoxysilane groups, according to claim 12, or of a mixture of 5 polymers modified with alkoxysilane groups.

### Claim 24 (depends on 22)

The adhesive according to claim 22, having a tensile shear strength of greater than 5 N/mm2.

### Claim 25 (depends on 22)

A substrate bonded using the adhesive according to claim 22.