# US 10,501,574 B2 · Dimer fatty acid-polyether-reaction product and coating composition comprising the reaction product

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- Number: US 10,501,574 B2
- Document ID: US10501574B2
- Status: Granted
- Kind: B2
- Application number: 14/913,141
- Filed: 2014-07-17
- Published: 2016-07-14
- Granted: 2019-12-10
- Earliest claimed: 2013-08-27
- Assignees: BASF Coatings GmbH
- Applicants: BASF Coatings GmbH
- Inventors: Bernhard Steinmetz; Peter Hoffmann; Hardy Reuter
- Web page: https://patentgrep.com/patent/US10501574B2

## CPC

- C08G 63/676: in which at least one of the two components contains aliphatic unsaturation
- C08G 18/4891: {modified with higher fatty oils or their acids or by resin acids}
- C08G 65/3322: {acyclic}
- C09D 151/08: grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C09D 167/025: {containing polyether sequences}
- C09D 171/02: Polyalkylene oxides
- C09D 175/04: Polyurethanes
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)

## Abstract

A dimer fatty acid-polyether-reaction product prepared by reacting a composition containing at least 80 wt % of one or more dimer fatty acids with at least one polyether of application formula (I) in a molar ratio of 0.7/2.3 to 1.6/1.7. The reaction product has a number-average molecular weight of 4800 to 40000 g/mol and an acid number of less than 10 mg KOH/g.

## Claims

### Claim 1

A dimer fatty acid-polyether-reaction product prepared by reacting:
(a) one or more dimer fatty acids with
(b) at least one polyether of formula (I):
where R is a C3 to C6 alkylene radical and n is selected such that the at least one polyether (b) possesses a number-average molecular weight of 2250 to 6000 g/mol,
wherein components (a) and (b) are reacted in a molar ratio of 0.7/2.3 to 1.6/1.7, and wherein the resulting reaction product consists of units of components (a) and (b) and possesses a number-average molecular weight of 4800 to 40000 g/mol and an acid number of less than 10 mg KOH/g.

### Claim 2 (depends on 1)

The reaction product as claimed in claim 1, wherein the at least one polyether (b) possesses a number-average molecular weight of 2400 to 5200 g/mol.

### Claim 3 (depends on 1)

The reaction product as claimed in claim 1, wherein the group R comprises isopropylene radicals or tetramethylene radicals and the at least one polyether (b) possesses a number-average molecular weight of 2500 to 4800 g/mol.

### Claim 4 (depends on 1)

The reaction product as claimed in claim 1, wherein components (a) and (b) are reacted in a molar ratio of 0.9/20.1 to 1.5/1.8.

### Claim 5 (depends on 1)

The reaction product as claimed in claim 1, which possesses a number-average molecular weight of 5000 to 30000 g/mol.

### Claim 6 (depends on 1)

The reaction product as claimed in claim 1, wherein the one or more dimer fatty acids contain a C36 dimer fatty acid.

### Claim 7 (depends on 3)

The reaction product as claimed in claim 3, wherein the one or more dimer fatty acids is a C36 dimer fatty acid.

### Claim 8 (depends on 7)

The reaction product as claimed in claim 7, wherein components (a) and (b) are reacted in a molar ratio of 0.9/20.1 to 1.5/1.8.

### Claim 9 (depends on 1)

The reaction product as claimed in claim 1, which possesses a number-average molecular weight of 5500 to 20000 g/mol and an acid number of less than 7.5 mg KOH/g.

### Claim 10 (depends on 8)

The reaction product as claimed in claim 8, which possesses a number-average molecular weight of 5500 to 20000 g/mol and an acid number of less than 7.5 mg KOH/g.

### Claim 11 (depends on 1)

The reaction product as claimed in claim 1, wherein:
the one or more dimer fatty acids is a C36 dimer fatty acid;
the at least one polyether is polypropylene glycol or polytetrahydrofuran,
components (a) and (b) are reacted in a molar ratio of 0.9/20.1 to 1.5/1.8, and
the reaction product possesses a number-average molecular weight of 5500 to 20000 g/mol and an acid number of less than 7.5 mg KOH/g.

### Claim 12 (depends on 1)

The reaction product as claimed in claim 1, wherein radicals between carboxylic acid groups of the one or more dimer fatty acids contain 24 to 44 carbon atoms.

### Claim 13 (depends on 2)

The reaction product as claimed in claim 2, wherein radicals between carboxylic acid groups of the one or more dimer fatty acids contain 24 to 44 carbon atoms.

### Claim 14 (depends on 3)

The reaction product as claimed in claim 3, wherein radicals between carboxylic acid groups of the one or more dimer fatty acids contain 24 to 44 carbon atoms.

### Claim 15 (depends on 4)

The reaction product as claimed in claim 4, wherein radicals between carboxylic acid groups of the one or more dimer fatty acids contain 24 to 44 carbon atoms.

### Claim 16 (depends on 5)

The reaction product as claimed in claim 5, wherein radicals between carboxylic acid groups of the one or more dimer fatty acids contain 24 to 44 carbon atoms.