CN103643485A - Anti-felting finishing process for knitted woolen sweater - Google Patents

Abstract

The invention discloses an anti-felting finishing process for a knitted woolen sweater, comprising the following steps: (1) a hydrogen peroxide pretreatment process, namely adding 7-8 g/L of sodium pyrophosphate and 3-4 g/L of alkyl polyoxyethylene ether at the temperature of 60 DEG C and at the bath ratio of 3:50, adjusting pH to be 10 by using 4-5wt% of sodium carbonate, and pretreating a woolen sweater sheet by using 35 g/L hydrogen peroxide for 75 minutes; (2) an enzyme treatment process, namely, adding 1-2 g/L of polyoxyethylene stearates, 25 g/L of sodium fluosilicate and 1-2 g/L of alkyl polyoxyethylene ether at the temperature of 55 DEG C and at the bath ratio of 3:55, adjusting pH to be 9.5, treating by using 4-5owf% protease for 65 minutes, and inactivating by using 2-3 g/L glacial acetic acid; and (3) a soft finishing process, namely treating fabrics by using 14owf% softening agent for 45 minutes at the temperature of 55 DEG C and at the bath ratio of 3:35, centrifugally dehydrating, and drying at 100 DEG C. According to the anti-felting finishing process, proper pretreatment, bio-enzyme pretreatment and the softening process are adopted to achieve excellent anti-felting effects and improve the color brightness of colorful fabrics.

Description

Knitting woollen sweater feld proofing technique

Technical field

The present invention relates to knitting woollen sweater feld proofing technique.

Background technology

The biological enzyme of wool is processed and is belonged to chemical subtraction process, and the effect of enzyme is the catalyst as peptide chain hydrolyzable.General cellulase treatment does not also reach desirable anti-felting effect, and the processing such as resin or gel that also will adopt that have just can reach the effect of felt proofing, and this not only increases cost, also can affect the style of fabric.

Summary of the invention

The object of the present invention is to provide a kind of knitting woollen sweater feld proofing technique, it adopts suitable preliminary treatment, in conjunction with rational cellulase treatment and soft technique, has not only reached good anti-felting effect, and has improved the vividness of colored fabric.

For achieving the above object, technical scheme of the present invention is a kind of knitting woollen sweater feld proofing technique of design, comprises the steps:

1) hydrogen peroxide pretreating process: temperature 60 C, bath raio 3:50, adds the alkyl polyoxyethylene ether of 7-8g/L sodium pyrophosphate and 3-4g/L, with the sodium carbonate of 4-5wt%, regulates pH to 10, by 35g/L hydrogen peroxide preliminary treatment 75 minutes for woollen sweater sheet;

2) enzyme treatment process: 55 ℃ of temperature; bath raio 3:55, add the alkyl polyoxyethylene ether of the polyoxyethylene stearic acid ester of 1-2g/L, the prodan of 25g/L and 1-2g/L, regulate pH to 9.5; with the Protease Treatment 65min of 4-5owf%, with the glacial acetic acid inactivation of 2-3g/L;

3) soft finish technique: 55 ℃ of temperature, bath raio 3:35, processes fabric 45 minutes with 14owf% softener, and centrifugal dehydration, 100 ℃ of oven dry.

Advantage of the present invention and beneficial effect are: a kind of knitting woollen sweater feld proofing technique is provided, it adopts suitable preliminary treatment, in conjunction with rational cellulase treatment and soft technique, not only reached good anti-felting effect, and improved the vividness of colored fabric.

The specific embodiment

Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.

The concrete technical scheme of implementing of the present invention is:

Embodiment 1

A knitting woollen sweater feld proofing technique, comprises the steps:

1) hydrogen peroxide pretreating process: temperature 60 C, bath raio 3:50, adds the alkyl polyoxyethylene ether of 8g/L sodium pyrophosphate and 4g/L, with the sodium carbonate of 5wt%, regulates pH to 10, by 35g/L hydrogen peroxide preliminary treatment 75 minutes for woollen sweater sheet;

2) enzyme treatment process: 55 ℃ of temperature, bath raio 3:55, adds the alkyl polyoxyethylene ether of the polyoxyethylene stearic acid ester of 2g/L, the prodan of 25g/L and 2g/L, regulates pH to 9.5, with the Protease Treatment 65min of 5owf%, with the glacial acetic acid inactivation of 3g/L;

3) soft finish technique: 55 ℃ of temperature, bath raio 3:35, processes fabric 45 minutes with 14owf% softener, and centrifugal dehydration, 100 ℃ of oven dry.

Embodiment 2

A knitting woollen sweater feld proofing technique, comprises the steps:

1) hydrogen peroxide pretreating process: temperature 60 C, bath raio 3:50, adds the alkyl polyoxyethylene ether of 7g/L sodium pyrophosphate and 3g/L, with the sodium carbonate of 4wt%, regulates pH to 10, by 35g/L hydrogen peroxide preliminary treatment 75 minutes for woollen sweater sheet;

2) enzyme treatment process: 55 ℃ of temperature, bath raio 3:55, adds the alkyl polyoxyethylene ether of the polyoxyethylene stearic acid ester of 1g/L, the prodan of 25g/L and 1g/L, regulates pH to 9.5, with the Protease Treatment 65min of 4owf%, with the glacial acetic acid inactivation of 2g/L;

3) soft finish technique: 55 ℃ of temperature, bath raio 3:35, processes fabric 45 minutes with 14owf% softener, and centrifugal dehydration, 100 ℃ of oven dry.

Embodiment 3

A knitting woollen sweater feld proofing technique, comprises the steps:

1) hydrogen peroxide pretreating process: temperature 60 C, bath raio 3:50, adds the alkyl polyoxyethylene ether of 7.8g/L sodium pyrophosphate and 3.4g/L, with the sodium carbonate of 4.5wt%, regulates pH to 10, by 35g/L hydrogen peroxide preliminary treatment 75 minutes for woollen sweater sheet;

2) enzyme treatment process: 55 ℃ of temperature; bath raio 3:55, add the alkyl polyoxyethylene ether of the polyoxyethylene stearic acid ester of 1.2g/L, the prodan of 25g/L and 1.2g/L, regulate pH to 9.5; with the Protease Treatment 65min of 4.5owf%, with the glacial acetic acid inactivation of 2.3g/L;

3) soft finish technique: 55 ℃ of temperature, bath raio 3:35, processes fabric 45 minutes with 14owf% softener, and centrifugal dehydration, 100 ℃ of oven dry.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. knitting woollen sweater feld proofing technique, is characterized in that, comprises the steps:

1) hydrogen peroxide pretreating process: temperature 60 C, bath raio 3:50, adds the alkyl polyoxyethylene ether of 7-8g/L sodium pyrophosphate and 3-4g/L, with the sodium carbonate of 4-5wt%, regulates pH to 10, by 35g/L hydrogen peroxide preliminary treatment 75 minutes for woollen sweater sheet;

2) enzyme treatment process: 55 ℃ of temperature; bath raio 3:55, add the alkyl polyoxyethylene ether of the polyoxyethylene stearic acid ester of 1-2g/L, the prodan of 25g/L and 1-2g/L, regulate pH to 9.5; with the Protease Treatment 65min of 4-5owf%, with the glacial acetic acid inactivation of 2-3g/L;

3) soft finish technique: 55 ℃ of temperature, bath raio 3:35, processes fabric 45 minutes with 14owf% softener, and centrifugal dehydration, 100 ℃ of oven dry.