CN110904678B - In-situ non-ironing method for cotton fabric by using silane coupling agent and hydroxyethyl methacrylate - Google Patents
In-situ non-ironing method for cotton fabric by using silane coupling agent and hydroxyethyl methacrylate Download PDFInfo
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- CN110904678B CN110904678B CN201911239014.8A CN201911239014A CN110904678B CN 110904678 B CN110904678 B CN 110904678B CN 201911239014 A CN201911239014 A CN 201911239014A CN 110904678 B CN110904678 B CN 110904678B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/04—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
Abstract
The invention relates to the technical field of textile, and discloses an in-situ non-ironing method for cotton fabric by using a silane coupling agent and hydroxyethyl methacrylate. The method comprises the following steps: (1) adding ethanol into water, adding cotton fabric, and stirring at 45-60 deg.C for 10-30 min; (2) adding hydroxyethyl methacrylate, and stirring at 45-60 deg.C for 20-60 min; (3) under ultrasonic agitation, sequentially adding a silane coupling agent, unsaturated acid salt and persulfate, heating to 80-100 ℃, and carrying out heat preservation reaction for 20-60 minutes; (4) taking out the treated cotton fabric, washing with water and airing. The cotton fabric obtained after the finishing by the in-situ non-ironing method has better non-ironing and crease-resisting performances and higher strength retention.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to an in-situ non-ironing method for cotton fabrics by using a silane coupling agent and hydroxyethyl methacrylate.
Background
The pure cotton fabric is produced by using cotton as a raw material through a textile process, and has the characteristics of moisture absorption, moisture retention, heat resistance, alkali resistance, sanitation and the like. The pure cotton fabric is comfortable to wear and good in skin friendliness, is widely favored by people, and is particularly considered as the safest fabric in infant clothes. However, pure cotton fabrics have poor elasticity, are prone to wrinkling and deformation during wearing and washing, and require frequent ironing or wrinkle-resistant non-ironing treatment. At present, the most industrially applied non-ironing method is as follows: cotton fabrics were padded in a permanent press finish several times, then dewatered and dried (e.g. CN 105200777A). However, in the existing non-ironing method for the cotton fabric, the strength of the cotton fabric is greatly damaged in the processes of multiple padding and drying.
Disclosure of Invention
The invention aims to overcome the defect of large damage to the strength of the fabric in the existing cotton fabric non-ironing finishing method, and provides an in-situ non-ironing method for the cotton fabric by using a silane coupling agent and hydroxyethyl methacrylate.
In order to achieve the aim, the invention provides an in-situ non-ironing method for cotton fabrics by using a silane coupling agent and hydroxyethyl methacrylate, which comprises the following steps:
(1) adding ethanol into water, adding cotton fabric, and stirring at 45-60 deg.C for 10-30 min;
(2) adding hydroxyethyl methacrylate, and stirring at 45-60 deg.C for 20-60 min;
(3) under ultrasonic agitation, sequentially adding a silane coupling agent, unsaturated acid salt and persulfate, heating to 80-100 ℃, and carrying out heat preservation reaction for 20-60 minutes;
(4) taking out the treated cotton fabric, washing with water and airing.
Preferably, in the step (1), the ethanol is used in an amount of 5 to 20 parts by weight, relative to 100 parts by weight of water.
Preferably, in step (1), the weight ratio of cotton fabric to water is 1: 4-10.
Preferably, in the step (2), the hydroxyethyl methacrylate is used in an amount of 8 to 20 parts by weight with respect to 100 parts by weight of water.
Preferably, in step (3), the silane coupling agent is used in an amount of 3 to 10 parts by weight, relative to 100 parts by weight of water.
Preferably, the weight ratio of the hydroxyethyl methacrylate to the silane coupling agent is 1: 0.2-0.8.
Preferably, the silane coupling agent is at least one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltris (β -methoxyethoxy) silane.
Preferably, in step (3), the unsaturated acid salt is used in an amount of 0.5 to 6 parts by weight, relative to 100 parts by weight of water.
Preferably, the unsaturated acid salt is at least one of maleate, fumarate and itaconate.
Preferably, in the step (3), the persulfate is used in an amount of 0.5 to 6 parts by weight relative to 100 parts by weight of water.
Preferably, the persulfate is ammonium persulfate.
The method for the in-situ non-ironing of the cotton fabric by the silane coupling agent and the hydroxyethyl methacrylate has the following advantages:
in the non-ironing treatment process, the added ethanol can better permeate the cotton fabric, the added unsaturated acid salt can play a role of a catalyst to catalyze the hydroxyethyl methacrylate and the silane coupling agent to have a crosslinking reaction with the cotton fiber, and the added persulfate can initiate the crosslinking reaction, so that the method can realize the in-situ non-ironing of the cotton fabric, and the treated cotton fabric not only has better non-ironing and crease-resistant performances, but also has higher strength retention (namely, the fabric has smaller strength damage).
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The in-situ non-ironing method for the cotton fabric by using the silane coupling agent and the hydroxyethyl methacrylate comprises the following steps:
(1) adding ethanol into water, adding cotton fabric, and stirring at 45-60 deg.C for 10-30 min;
(2) adding hydroxyethyl methacrylate, and stirring at 45-60 deg.C for 20-60 min;
(3) under ultrasonic agitation, sequentially adding a silane coupling agent, unsaturated acid salt and persulfate, heating to 80-100 ℃, and carrying out heat preservation reaction for 20-60 minutes;
(4) taking out the treated cotton fabric, washing with water and airing.
In the method, in the step (1), the cotton fabric and the ethanol water solution are stirred and mixed, so that the ethanol is fully permeated into the cotton fabric, and the subsequent reaction is more favorably carried out.
In step (1), the ethanol may be used in an amount of 5 to 20 parts by weight, preferably 5 to 18 parts by weight, more preferably 5 to 15 parts by weight, and still more preferably 10 to 12 parts by weight, relative to 100 parts by weight of water.
In step (1), the weight ratio of cotton fabric to water may be 1: 4-10, preferably 1: 4-8, more preferably 1: 5-7.
In the method, in the step (2), after the hydroxyethyl methacrylate is added, stirring and mixing are carried out for a period of time at a proper temperature, so that the hydroxyethyl methacrylate is fully dispersed in the system and permeates into the cotton fabric, thereby being more beneficial to the subsequent reaction.
In the step (2), the hydroxyethyl methacrylate may be used in an amount of 8 to 20 parts by weight, preferably 8 to 18 parts by weight, more preferably 8 to 16 parts by weight, and still more preferably 10 to 15 parts by weight, relative to 100 parts by weight of water.
In the method, in the step (3), under the existence of unsaturated acid salt and persulfate, the hydroxyethyl methacrylate and the silane coupling agent can generate a crosslinking reaction with cotton fibers of the cotton fabrics, so that the in-situ non-ironing is realized.
In the step (3), the silane coupling agent may be used in an amount of 3 to 10 parts by weight, preferably 3 to 8 parts by weight, and more preferably 3 to 5 parts by weight, relative to 100 parts by weight of water.
In the method of the present invention, the weight ratio of the hydroxyethyl methacrylate to the silane coupling agent may be 1: 0.2 to 0.8, preferably 1: 0.2 to 0.6, more preferably 1: 0.2-0.3.
In the present invention, the silane coupling agent is preferably at least one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltris (. beta. -methoxyethoxy) silane.
In the step (3), the unsaturated acid salt may be used in an amount of 0.5 to 6 parts by weight, preferably 1 to 5 parts by weight, and more preferably 2 to 4 parts by weight, relative to 100 parts by weight of water.
In the present invention, the unsaturated acid salt is preferably at least one of maleate, fumarate and itaconate.
In the step (3), the persulfate may be used in an amount of 0.5 to 6 parts by weight, preferably 1 to 5 parts by weight, and more preferably 2 to 4 parts by weight, relative to 100 parts by weight of water.
In the present invention, the persulfate is preferably ammonium persulfate.
In the method of the present invention, in the step (4), the cotton fabric is taken out, washed with water, and dried in the air, which can be performed according to the conventional manner in the art, and will not be described herein again.
The present invention will be described in detail by way of examples, but the scope of the present invention is not limited thereto.
Example 1
Adding 11 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 6), and stirring for 30 minutes at 50 ℃. 13 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 50 ℃ for 30 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyltriethoxysilane, 3 parts by weight of a maleate and 3 parts by weight of ammonium persulfate were sequentially added, the temperature was raised to 90 ℃, and the reaction was maintained for 40 minutes. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A1.
Example 2
Adding 10 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 5), and stirring for 30 minutes at 40 ℃. 10 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 40 ℃ for 60 minutes. Then, 2 parts by weight of vinyltrimethoxysilane, 2 parts by weight of fumarate and 4 parts by weight of ammonium persulfate were added in this order under ultrasonic agitation, the temperature was raised to 80 ℃, and the reaction was carried out for 60 minutes while maintaining the temperature. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A2.
Example 3
Adding 12 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 7), and stirring for 10 minutes at 60 ℃. 15 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 60 ℃ for 20 minutes. Then, under ultrasonic agitation, 4 parts by weight of vinyl tri (beta-methoxyethoxy) silane, 4 parts by weight of itaconate and 2 parts by weight of ammonium persulfate are added in sequence, the temperature is raised to 100 ℃, and the reaction is carried out for 20 minutes under heat preservation. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A3.
Example 4
Adding 14 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 6), and stirring for 30 minutes at 60 ℃. 16 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 60 ℃ for 30 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyltriethoxysilane, 2.5 parts by weight of maleate and 3.5 parts by weight of ammonium persulfate were sequentially added, the temperature was raised to 85 ℃, and the reaction was carried out for 60 minutes while maintaining the temperature. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A4.
Example 5
Adding 13 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 5), and stirring for 30 minutes at 60 ℃. 14 parts by weight of hydroxyethyl methacrylate were added thereto, and the mixture was stirred at 55 ℃ for 60 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyltrimethoxysilane, 3.5 parts by weight of a fumarate salt and 2.5 parts by weight of ammonium persulfate were added in this order, the temperature was raised to 100 ℃, and the reaction was carried out for 50 minutes while maintaining the temperature. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A5.
Example 6
Adding 12 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 7), and stirring for 30 minutes at 60 ℃.8 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 50 ℃ for 25 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyltris (β -methoxyethoxy) silane, 2.2 parts by weight of itaconate and 3.8 parts by weight of ammonium persulfate were sequentially added, the temperature was raised to 90 ℃, and the reaction was carried out for 60 minutes while maintaining the temperature. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A6.
Example 7
Adding 11 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 7), and stirring for 25 minutes at 60 ℃. 11 parts by weight of hydroxyethyl methacrylate was added thereto, and the mixture was stirred at 52 ℃ for 30 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyltris (β -methoxyethoxy) silane, 3.6 parts by weight of itaconate and 2.4 parts by weight of ammonium persulfate were sequentially added, the temperature was raised to 100 ℃, and the reaction was carried out for 60 minutes while maintaining the temperature. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A7.
Example 8
Adding 13 parts by weight of ethanol into 100 parts by weight of water, adding a cotton fabric (the mass ratio of the cotton fabric to the water is 1: 7), and stirring for 20 minutes at 60 ℃. 12 parts by weight of hydroxyethyl methacrylate were added thereto, and the mixture was stirred at 58 ℃ for 45 minutes. Then, under ultrasonic agitation, 3 parts by weight of vinyl tris (beta-methoxyethoxy) silane, 4 parts by weight of itaconate and 2 parts by weight of ammonium persulfate were added in sequence, the temperature was raised to 100 ℃, and the reaction was maintained for 20 minutes. And then taking out the treated cotton fabric, washing with water and airing to obtain the non-ironing cotton fabric A8.
Comparative example 1
A non-ironing cotton fabric was prepared according to the method of example 1, except that no ethanol was added, thereby obtaining a non-ironing cotton fabric D1.
Comparative example 2
A non-ironing cotton fabric was prepared according to the method of example 1, except that vinyltriethoxysilane was not added, thereby obtaining a non-ironing cotton fabric D2.
Comparative example 3
A non-ironing cotton fabric was prepared according to the method of example 1, except that ethanol, hydroxyethyl methacrylate, vinyltriethoxysilane, maleate and ammonium persulfate were simultaneously added to water, and then the cotton fabric was added to perform an ultrasonic stirring reaction, thereby obtaining a non-ironing cotton fabric D3.
Comparative example 4
100 parts by weight of water, 13 parts by weight of hydroxyethyl methacrylate, 3 parts by weight of vinyltriethoxysilane, 3 parts by weight of a maleate salt, and 3 parts by weight of ammonium persulfate were mixed to prepare a finishing liquid.
And soaking and rolling the cotton fabric in the finishing liquid twice. The mangle ratio is controlled to be 65%, and then washing, drying at 80 ℃ and baking at 150 ℃ are carried out, so that the non-ironing cotton fabric D4 is obtained.
Test example
The non-ironing cotton fabrics prepared in the above examples and comparative examples were subjected to a crease-resistant non-ironing performance test and a fabric strength retention test, respectively:
(1) wrinkle-resistant non-ironing performance test
The anti-crease and non-ironing effects of the fabric are better when the DP grade is higher, and the DP grade of the raw fabric which is not finished is 1.0 when the AATCC-142 standard is adopted for determination.
(2) Strength Retention test of fabrics
Tensile strength of the cloth samples was measured using a Wenzhou Darong model YG026H-250 strength tester and the strength retention of the treated fabric compared to the original cloth value (averaged over the warp direction test results).
The results of the measurements are shown in Table 1 below.
TABLE 1
As can be seen from the results in Table 1, the cotton fabric finished by the in-situ non-ironing method provided by the invention has good non-ironing and crease-resisting properties and high strength retention.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (9)
1. An in-situ non-ironing method for cotton fabrics by using a silane coupling agent and hydroxyethyl methacrylate is characterized by comprising the following steps:
(1) adding ethanol into water, adding cotton fabric, and stirring at 45-60 deg.C for 10-30 min;
(2) adding hydroxyethyl methacrylate, and stirring at 45-60 deg.C for 20-60 min;
(3) under ultrasonic agitation, sequentially adding a silane coupling agent, unsaturated acid salt and persulfate, heating to 80-100 ℃, and carrying out heat preservation reaction for 20-60 minutes;
(4) taking out the treated cotton fabric, washing with water and airing;
wherein the silane coupling agent is at least one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltris (beta-methoxyethoxy) silane;
the unsaturated acid salt is at least one of maleate, fumarate and itaconate.
2. The method according to claim 1, wherein the ethanol is used in an amount of 5 to 20 parts by weight, relative to 100 parts by weight of water, in step (1).
3. The process according to claim 1 or 2, wherein in step (1), the weight ratio of cotton fabric to water is 1: 4-10.
4. The method according to claim 1, wherein the hydroxyethyl methacrylate is used in an amount of 8 to 20 parts by weight, relative to 100 parts by weight of water, in step (2).
5. The method according to claim 1, wherein the silane coupling agent is used in an amount of 3 to 10 parts by weight, relative to 100 parts by weight of water, in step (3).
6. The method according to claim 1, wherein the weight ratio of the hydroxyethyl methacrylate to the silane coupling agent is 1: 0.2-0.8.
7. The method according to claim 1, wherein the unsaturated acid salt is used in an amount of 0.5 to 6 parts by weight, relative to 100 parts by weight of water, in step (3).
8. The method according to claim 1, wherein in the step (3), the persulfate is used in an amount of 0.5 to 6 parts by weight relative to 100 parts by weight of water.
9. The method according to claim 8, wherein in step (3), the persulfate is ammonium persulfate.
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| CN114808443A (en) * | 2022-06-14 | 2022-07-29 | 高梵(浙江)信息技术有限公司 | Tear-resistant finishing agent for pure cotton fabric and preparation method thereof |
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| DE10118478A1 (en) * | 2001-04-12 | 2002-10-17 | Basf Ag | Anti-wrinkle treatment of cellulosic textiles, e.g. in detergent formulations, involves using a treatment agent obtained by polymerizing unsaturated monomers in presence of a silicone with polyalkylene oxide groups |
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