# US 5,350,530 A · Coat-finishing method for polyester woven and knitted fabrics

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- Number: US 5,350,530 A
- Document ID: US5350530A
- Status: Granted
- Kind: A
- Application number: 08/065,901
- Filed: 1993-05-25
- Granted: 1994-09-27
- Earliest claimed: 1992-10-19
- Assignees: Sunkyong Industries Co., Ltd.
- Inventors: Ik S. Kim; Do Y. Chung; Jeong S. Kim; Nam J. Kim; Jae G. No
- Web page: https://patentgrep.com/patent/US5350530A

## CPC

- D06P 1/48: Derivatives of carbohydrates
- D06M 15/03: Polysaccharides or derivatives thereof
- D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06M: TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS

## Abstract

A method is disclosed for coat-finishing dyed polyester woven and knitted fabrics wherein a maltooligosaccharide is added to the coating resin compounds.

## Claims

### Claim 1

A coat-finishing method for dyed polyester woven and knitted fabrics comprising the steps of
(1) forming a uniform resin composition by adding a non-reductive, maltooligosaccharide to a coat-finishing resin composition comprising one or more resins selected from the group consisting of acrylic resins, urethane resins, silicone resins, fluorinated vinyl chloride resins, amide resins, cellulose resins, peptide resins and rubbers; and
(2) coating a fabric surface with said uniform resin composition.

### Claim 2 (depends on 1)

The coat-finishing method for polyester woven and knitted fabrics according to claim 1, wherein said non-reductive, maltooligosaccharide is a cyclodextrin compound containing 6 to 8 repeating units of glucose having .alpha.-1,4-glucoside bonding.

### Claim 3 (depends on 1)

The coat-finishing method for polyester woven and knitted fabrics according to claim 1, wherein the amount of said non-reductive, maltooligosaccharide is 1.0 to 15 weight %, based on the weight of the woven and knitted fabrics.

### Claim 4 (depends on 1)

The coat-finishing method according to claim 1, wherein said dyed polyester woven and knitted fabrics are 100% polyester fabrics and polyester blended fabrics.

### Claim 5

The coat-finishing composition for dyed polyester woven and knitted fabrics comprising a coating resin and a non-reductive, maltooligosaccharide.

### Claim 6 (depends on 5)

The coat-finishing composition of claim 5, wherein the non-reductive, maltooligosaccharide is a cyclodextrin compound containing 6 to 8 repeating units of glucose having .alpha.-1,4-glucoside bonding.

### Claim 7 (depends on 5)

The coat-finishing composition according to claim 5, wherein said maltooligosaccharide is present at levels sufficient to provide a coating amount of from 1.0 to 15 weight %, based on the weight of the woven and knitted fabrics.

### Claim 8 (depends on 5)

The coat-finishing composition according to claim 5, wherein said coating resin is one or more resins selected from the group consisting of acrylic resins, urethane resins, silicone resins, fluorinated vinyl chloride resins, amide resins, cellulose resins, peptide resins and rubbers.

### Claim 9 (depends on 5)

The coat-finishing composition according to claim 5, further comprising a crosslinking agent and dimethylformamide.