阅读说明：本技术 一种涤棉混纺织物的抛光方法及其应用 (Polishing method of polyester-cotton blended fabric and application thereof ) 是由 曾广勇 蔡清杰 李成炳 李明辉 张贵 于 2020-12-23 设计创作，主要内容包括：本发明提供了一种涤棉混纺织物的抛光方法及其应用,所述抛光方法包括以下步骤：向涤棉混纺织物加入水和pH调节剂,并升温保温,之后加入抛光酶并保温,排水,接着加入水升温保温,排水,得到抛光后涤棉混纺织物。本发明提供的抛光方法工艺流程短,耗时短,节省原料,对环境友好。(The invention provides a polishing method of a polyester-cotton blended fabric and application thereof, wherein the polishing method comprises the following steps: adding water and a pH regulator into the cotton-polyester blended fabric, heating and preserving heat, then adding polishing enzyme, preserving heat, draining water, then adding water, heating and preserving heat, and draining water to obtain the polished cotton-polyester blended fabric. The polishing method provided by the invention has the advantages of short process flow, short time consumption, raw material saving and environmental friendliness.)

1. The polishing method of the polyester-cotton blended fabric is characterized by comprising the following steps of: adding water and a pH regulator into the cotton-polyester blended fabric, heating and preserving heat, then adding polishing enzyme, preserving heat, draining water, then adding water, heating and preserving heat, and draining water to obtain the polished cotton-polyester blended fabric.

2. The method for polishing polyester-cotton blended fabric according to claim 1, wherein the pH regulator comprises any one or a combination of at least two of acetic acid, sodium acetate, citric acid, sodium citrate, malic acid or sodium malate.

3. The method for polishing a polyester-cotton blended fabric according to claim 1 or 2, wherein the pH adjusting agent is added in an amount of 0.7 to 1.8 g/L.

4. The polishing method of the polyester-cotton blended fabric according to any one of claims 1 to 3, characterized in that water and a pH regulator are added into the polyester-cotton blended fabric, and the temperature is raised and maintained at 52-56 ℃ for 3.5-4.5 min.

5. The method for polishing a polyester-cotton blended fabric according to any one of claims 1 to 4, wherein the polishing enzyme is added in an amount of 1.5 to 2.0 g/L.

6. The polishing method of polyester-cotton blended fabric according to any one of claims 1-5, characterized in that the time for adding polishing enzyme and holding is 43-47 min.

7. The method for polishing a polyester-cotton blended fabric according to any one of claims 1 to 6, wherein the adding of the polishing enzyme and the heat-preservation are performed in an environment having a pH of 4.2 to 4.8.

8. The polishing method of polyester-cotton blended fabric according to any one of claims 1 to 7, characterized in that the temperature for adding water to raise the temperature and keep the temperature is 53-57 ℃ and the time is 3.5-4.5 min.

9. The method for polishing a polyester-cotton blend fabric according to any one of claims 1 to 8, wherein the polishing method comprises the steps of: adding water and a pH regulator into the polyester-cotton blended fabric, heating to 52-56 ℃, preserving heat for 3.5-4.5min, then adding polishing enzyme, preserving heat for 43-47min under the condition that the pH is 4.2-4.8, draining, then adding water, heating to 53-57 ℃, preserving heat for 3.5-4.5min, draining, and obtaining the polished polyester-cotton blended fabric.

10. Use of a method of polishing a polyester-cotton blend fabric according to any one of claims 1 to 9 in a textile process.

Technical Field

The invention belongs to the field of textiles, and particularly relates to a polishing method of a polyester-cotton blended fabric and application thereof, in particular to a polishing method of a polyester-cotton blended fabric with a short process flow and application thereof.

Background

At present, acid polishing enzyme is commonly used as polishing enzyme in polishing treatment of cotton-polyester blended fabrics, the polishing enzyme is neutralized by soda ash and heated to inactivate the polishing enzyme in the traditional method so as to ensure the strength of the fabrics, and finally, the excess soda ash is neutralized by acetic acid.

CN102965982A discloses a polyester-cotton knitted fabric deoxidizing polishing one-bath method dyeing, wherein the deoxidizing polishing one-bath method dyeing comprises the following steps: adjusting the temperature to 40-60 ℃, adjusting the pH value to 5-7, adding 1-2% of polishing enzyme 988, adding a dye and a dyeing assistant after 0-15 minutes, adding anhydrous sodium sulphate after 30 minutes, adding soda ash after 20 minutes, and keeping the temperature for 60 minutes. Wherein, the polishing enzyme 988 is cellulose biological enzyme, and the adding amount is 1-2%; the dyeing auxiliary agent is a scouring and dyeing bath agent, the addition amount is 1-2%, and the dyeing auxiliary agent is added in two times; the dyeing bath ratio is 1:5-1: 20; before the deoxidizing polishing one-bath method dyeing, the scouring and bleaching auxiliary agent and the dispersing agent are sequentially subjected to alkaline one-bath dyeing of terylene and reduction cleaning. The pH value of the system is neutralized by using soda ash after the polishing process, so that waste is generated.

The waste and time consumption caused by the requirement of the polishing process at present have certain influence on the production. Therefore, how to provide a polishing process with short process flow, short time consumption and raw material saving becomes a problem to be solved urgently.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a polishing method of a cotton-polyester blended fabric and application thereof, in particular to a polishing method of a cotton-polyester blended fabric with short process flow and application thereof. The polishing method provided by the invention has the advantages of short process flow, short time consumption, raw material saving and environmental friendliness.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, the invention provides a polishing method of a polyester-cotton blended fabric, which comprises the following steps: adding water and a pH regulator into the cotton-polyester blended fabric, heating and preserving heat, then adding polishing enzyme, preserving heat, draining water, then adding water, heating and preserving heat, and draining water to obtain the polished cotton-polyester blended fabric.

The polishing method adopts a water washing method, and the 120-plus 130 ℃ dyeing after the polishing process is utilized to inactivate the polishing enzyme, so that the processes of soda neutralization, high-temperature inactivation and acetic acid neutralization of soda in the traditional method are replaced, the polishing effect is ensured, meanwhile, the flow and time consumption of the polishing process are greatly reduced, a large amount of raw materials are saved, and the pollution to the environment is reduced; meanwhile, the high-strength characteristic of the polyester is utilized, so that the polyester-cotton blended fabric can withstand the high-temperature dyeing process, and the strength of the final polyester-cotton blended fabric finished product is not influenced.

Preferably, the pH adjuster includes any one or a combination of at least two of acetic acid, sodium acetate, citric acid, sodium citrate, malic acid, or sodium malate, such as a combination of acetic acid and sodium acetate, a combination of citric acid and sodium citrate, or a combination of malic acid and sodium malate, but is not limited to the above-listed combinations, and other combinations not listed within the above-mentioned combinations are also applicable.

The pH adjusting agent can provide a proper working pH value for the polishing enzyme.

Preferably, the pH regulator is added in an amount of 0.7-1.8 g/L.

Preferably, water and a pH regulator are added into the polyester-cotton blended fabric, and the temperature is raised and kept at 52-56 ℃ for 3.5-4.5 min.

Preferably, the polishing enzyme is added in an amount of 1.5-2.0 g/L.

Preferably, the time for adding the polishing enzyme and carrying out heat preservation is 43-47 min.

Preferably, the adding of the polishing enzyme and the incubation are performed in an environment having a pH of 4.2 to 4.8.

Wherein the pH regulator can be added in an amount of 0.7g/L, 0.8g/L, 0.9g/L, 1g/L, 1.1g/L, 1.2g/L, 1.3g/L, 1.4g/L, 1.5g/L, 1.6g/L, 1.7g/L or 1.8g/L, etc., water and pH regulator are added to the cotton-polyester blended fabric, the temperature of temperature rise and heat preservation can be 52 ℃, 52.5 ℃, 53 ℃, 53.5 ℃, 54 ℃, 54.5 ℃, 55 ℃, 55.5 ℃ or 56 ℃, etc., water and pH regulator are added to the cotton-polyester blended fabric, the time of temperature rise and heat preservation can be 3.5min, 4min or 4.5min, etc., the adding amount of polishing enzyme can be 1.5g/L, 1.6g/L, 1.7g/L, 1.8g/L, 1.9g/L or 2.5 min, etc., and the time of temperature rise and heat preservation can be 43min, etc., the adding amount of polishing enzyme can be 43min, etc., and heat preservation time, 44min, 45min, 46min or 47min, etc., and the pH may be 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 or 4.8, etc., but is not limited to the above-listed values, and other values not listed in the above-mentioned range of values are also applicable.

The specific parameters can ensure that the polishing effect is excellent, and the surface of the polyester-cotton blended fabric is smooth and has no fluffing and pilling.

Preferably, the temperature for heating and holding the added water is 53-57 ℃, and the time is 3.5-4.5min, for example, the temperature can be 53 ℃, 54 ℃, 55 ℃, 56 ℃ or 57 ℃, and the time can be 3.5min, 4min or 4.5min, but not limited to the above-mentioned values, and other values not listed in the above-mentioned value range can be applied.

The process of adding water for heating and heat preservation can remove the polishing enzyme in the cotton-polyester blended fabric, and replace the processes of soda neutralization, high-temperature inactivation and acetic acid neutralization of soda in the traditional method, thereby saving a large amount of raw materials and reducing the pollution to the environment.

As a preferred embodiment of the present invention, the polishing method comprises the steps of: adding water and a pH regulator into the polyester-cotton blended fabric, heating to 52-56 ℃, preserving heat for 3.5-4.5min, then adding polishing enzyme, preserving heat for 43-47min under the condition that the pH is 4.2-4.8, draining, then adding water, heating to 53-57 ℃, preserving heat for 3.5-4.5min, draining, and obtaining the polished polyester-cotton blended fabric.

In another aspect, the invention also provides the application of the polishing method of the polyester-cotton blended fabric in the textile technology.

Compared with the prior art, the invention has the following beneficial effects:

the polishing method of the polyester-cotton blended fabric adopts the water washing method, and utilizes the 120-plus-130 ℃ dyeing after the polishing process to inactivate the polishing enzyme, so that the processes of soda neutralization, high-temperature inactivation and soda neutralization by acetic acid in the traditional method are replaced, the polishing effect is ensured, meanwhile, the flow and time consumption of the polishing process are greatly reduced, a large number of raw materials are saved, and the pollution to the environment is reduced; meanwhile, the high-strength characteristic of the polyester is utilized, so that the polyester-cotton blended fabric can withstand the high-temperature dyeing process, and the strength of the final polyester-cotton blended fabric finished product is not influenced.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following further describes the technical solution of the present invention with reference to the preferred embodiments of the present invention, but the present invention is not limited to the scope of the embodiments.

In the following examples, polishing enzymes were purchased from the Nissan corporation under the model 4000L new.

Example 1

The embodiment provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.6g/L acetic acid and 0.8g/L sodium acetate into the polyester-cotton blended fabric, heating to 54 ℃, preserving heat for 4min, then adding 1.7g/L polishing enzyme, preserving heat for 45min at the pH value of 4.5, draining, then adding water, heating to 55 ℃, preserving heat for 4min, draining to obtain polished polyester-cotton blended fabric, and then dyeing to obtain a finished product of the polyester-cotton blended fabric.

Example 2

The embodiment provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.8g/L citric acid and 1.0g/L sodium citrate into the polyester-cotton blended fabric, heating to 53 ℃, preserving heat for 4.5min, then adding 2.0g/L polishing enzyme, preserving heat for 43min at the pH value of 4.2, draining, then adding water, heating to 53 ℃, preserving heat for 4.5min, draining to obtain polished polyester-cotton blended fabric, and then dyeing to obtain a finished product of the polyester-cotton blended fabric.

Example 3

The embodiment provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.5g/L malic acid and 0.7g/L sodium malate into the polyester-cotton blended fabric, heating to 56 ℃, preserving heat for 3.5min, then adding 1.5g/L polishing enzyme, preserving heat for 47min at the pH value of 4.8, draining, then adding water, heating to 57 ℃, preserving heat for 3.5min, draining to obtain polished polyester-cotton blended fabric, and then dyeing to obtain a finished product of the polyester-cotton blended fabric.

Example 4

The embodiment provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.6g/L acetic acid and 0.8g/L sodium acetate into the polyester-cotton blended fabric, heating to 54 ℃, preserving heat for 4min, then adding 1.7g/L polishing enzyme, preserving heat for 45min at the pH value of 4.5, draining, then adding water, heating to 65 ℃, preserving heat for 2min, draining to obtain polished polyester-cotton blended fabric, and then dyeing to obtain a finished product of the polyester-cotton blended fabric.

Example 5

The embodiment provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.6g/L acetic acid and 0.8g/L sodium acetate into the polyester-cotton blended fabric, heating to 54 ℃, preserving heat for 4min, then adding 1.7g/L polishing enzyme, preserving heat for 45min at the pH value of 4.5, draining, then adding water, heating to 45 ℃, preserving heat for 6min, draining to obtain polished polyester-cotton blended fabric, and then dyeing to obtain a finished product of the polyester-cotton blended fabric.

Comparative example 1

The comparative example provides a polishing method of a polyester-cotton blended fabric, which comprises the following operation steps:

adding water and 1.6g/L acetic acid and 0.8g/L sodium acetate into the polyester-cotton blended fabric, heating to 54 ℃, preserving heat for 4min, then adding 1.7g/L polishing enzyme, preserving heat for 45min under the condition that the pH value is 4.5, then adding 2g/L soda, heating to 95 ℃, preserving heat for 6min, cooling to 75 ℃, draining, then adding water, adding 0.15g/L acetic acid, heating to 55 ℃, preserving heat for 4min, draining, obtaining the polished polyester-cotton blended fabric, and then dyeing to obtain the finished product of the polyester-cotton blended fabric.

Testing the strength of the fabric:

referring to GB/T19976, the polyester-cotton blended fabric finished products provided in examples 1-5 and comparative example 1 were subjected to a burst strength test, and the results are as follows:

group of	Bursting strength (N)	Group of	Bursting strength (N)
				Example 1	478	Example 4	489
Example 2	485	Example 5	490
				Example 3	485	Comparative example 1	480

The results show that the strength of the polyester-cotton blended fabric obtained by the polishing method provided by the invention is equivalent to that of the traditional method.

And (3) testing the polishing effect:

the polyester-cotton blended fabric finished products provided in examples 1 to 5 and comparative example 1 were subjected to a pilling test with reference to GB/T4802.2, and the results were as follows:

group of	Pilling grade	Group of	Pilling grade
				Example 1	4 stage	Example 4	Grade 3.5
Example 2	Grade 3.5	Example 5	Grade 3.5
				Example 3	Grade 3.5	Comparative example 1	4 stage

The above results show that the polishing method of the present invention provides polishing effects comparable to those of the conventional methods.

Summarizing the test results, the polishing method provided by the invention ensures the fabric strength and the polishing effect, greatly reduces the flow and time consumption of the polishing process, saves a large amount of raw materials and reduces the pollution to the environment.

The applicant states that the present invention is illustrated by the above examples of the polishing method of the cotton-polyester blended fabric and the application thereof, but the present invention is not limited to the above examples, i.e. it does not mean that the present invention is implemented only by relying on the above examples. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.