CN110725042A - Preparation method of self-cleaning down jacket fabric - Google Patents
Preparation method of self-cleaning down jacket fabric Download PDFInfo
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- CN110725042A CN110725042A CN201911160248.3A CN201911160248A CN110725042A CN 110725042 A CN110725042 A CN 110725042A CN 201911160248 A CN201911160248 A CN 201911160248A CN 110725042 A CN110725042 A CN 110725042A
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- titanium dioxide
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- dodecamolybdic
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a preparation method of a self-cleaning down jacket fabric, and particularly relates to the technical field of garment fabrics, wherein the prepared down jacket fabric has good hydrophobic property and tensile property, good air permeability and remarkable self-cleaning property, and the antifouling and waterproof properties of the down jacket fabric are improved; firstly, titanium dioxide is doped with potassium dodecamolybdate, so that the conduction band of the titanium dioxide can be reduced, the photocatalytic performance of the titanium dioxide is improved, and the fabric is endowed with remarkable self-cleaning performance.
Description
Technical Field
The invention belongs to the technical field of garment fabrics, and particularly relates to a preparation method of a self-cleaning down jacket fabric.
Background
The down jacket as a cold-proof garment has the characteristics of softness, elasticity, cleanness, relaxation, dryness, warm keeping and the like, and is an ideal garment for people to prevent cold in winter. Although down jackets are well favored by consumers due to the advantages of softness and warm keeping, how to keep down jackets clean is a problem of headache of many people.
The down jacket is mainly used in winter, the fabric of the down jacket is inevitably polluted by substances such as stains after being used for a long time, and the washed down jacket is difficult to dry in a short time due to the cold and humid weather in winter. Meanwhile, due to the large surface area and strong water absorption of the down feather, the washing of the detergent in the washing process causes large water consumption, causes pollution to the environment, causes great waste to energy and resources, and is easy to influence the heat retention property due to excessive washing.
Patent CN 104621759A discloses a self-cleaning down jacket, and the self-cleaning fabric comprises a fabric base layer fabric and a hydrophobic and oleophobic layer covered on the fabric base layer fabric, wherein the outer surface of the hydrophobic and oleophobic layer contains titanium dioxide particles, but the self-cleaning fabric prepared by the self-cleaning fabric is easy to fall off because the titanium dioxide particles are attached to the fabric, so that the self-cleaning effect is influenced, and meanwhile, the air permeability is poor.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a preparation method of a self-cleaning down jacket fabric.
The invention is realized by the following technical scheme:
a preparation method of a self-cleaning down jacket fabric comprises the following specific steps:
(1) adding 5-8 parts by weight of potassium dodecamolybdatophosphate into absolute ethyl alcohol with the volume 10-12 times of that of the potassium dodecamolybdatophosphate, stirring and dispersing at 50-60 ℃ and 200rpm for 10-20min, then adding 4-6 parts of oleic acid, heating to boil at 150-170rpm, then adding 10-15 parts of titanium tetrachloride solution, heating and refluxing for 20-25h, cooling, filtering, washing with deionized water, and drying at 40-45 ℃ to obtain titanium dioxide doped with the potassium dodecamolybdatophosphate;
(2) modifying 10-15 parts of dodecamolybdic phosphoric acid doped titanium dioxide obtained in the step (1) to obtain modified dodecamolybdic phosphoric acid doped titanium dioxide;
(3) mixing 70-80 parts of caprolactam, 4-6 parts of aminocaproic acid and 10-15 parts of the modified dodecamolybdic acid doped titanium dioxide obtained in the step (2), placing the mixture in a three-neck flask, introducing nitrogen for protection, heating the oil bath to 262 plus 265 ℃, refluxing and condensing for 8-10h at 200 plus 220rpm, then carrying out melt spinning on the obtained product, and carrying out doubling, twisting, warping and weaving to obtain the cloth.
Further, the preparation method of the modified dodecamolybdophosphoric acid doped titanium dioxide in the step (2) comprises the following steps:
(1) adding 10-15 parts of dodecamolybdic phosphoric acid doped titanium dioxide into absolute ethyl alcohol with the volume 10-15 times of that of the dodecamolybdic phosphoric acid doped titanium dioxide, then dispersing for 5-8min at 2000-2200rpm, then adjusting the pH of the dodecamolybdic acid doped titanium dioxide to 9-9.5 by using a sodium hydroxide solution with the mass fraction of 2-4%, adding 10-17 parts of an ethanol solution of vinyl triethoxysilane with the mass fraction of 1-2%, stirring, refluxing and condensing for 4-6h at 82-85 ℃, filtering, washing with deionized water, and drying;
(2) adding 10-15 parts of the product obtained in the step (1) into absolute ethyl alcohol with the volume 10-13 times of that of the product, then adding 3-4 parts of porphyrin, carrying out ultrasonic treatment at 50-60 ℃ by using 55-60KHz for 20-30min, then adding 0.4-0.5 part of ammonium persulfate, heating to 85-89 ℃, stirring and reacting for 4-6h at 300-400rpm, cooling, filtering, washing and drying to obtain the modified dodecamolybdophosphoric acid doped titanium dioxide.
Further, the preparation method of the titanium tetrachloride solution in the step (1) comprises the following steps: 4-6 parts of titanium tetrachloride is added into 15-18 parts of hydrochloric acid solution with the mass fraction of 30-34% under the condition of ice water bath dropwise, and then 60-65 parts of deionized water is added for dilution.
The invention has the beneficial effects that: the down jacket fabric prepared by the method has good hydrophobic property and tensile property, has good air permeability and obvious self-cleaning property, and improves the antifouling and waterproof properties; firstly, titanium dioxide is doped with potassium dodecamolybdate, so that the conduction band of the titanium dioxide can be reduced, the photocatalytic performance of the titanium dioxide is improved, and the fabric is endowed with remarkable self-cleaning performance; then, vinyl triethoxysilane is used for processing, double bonds and silicon atoms can be loaded on the surface of the fabric, the hydrophobic property of the fabric can be greatly improved, then, under the condition of an initiator, the loaded double bonds and the double bonds in porphyrin are subjected to addition reaction, and a macromolecular heterocyclic structure is further introduced on the surface of the fabric, so that the hydrophobic property of the obtained product can be improved again, meanwhile, the interface binding force of potassium dodecamolybdate doped titanium dioxide and a nylon substrate is improved, the dispersion property of the fabric is improved, the structural stability is enhanced, and the mechanical property of the obtained fabric is improved.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
A preparation method of a self-cleaning down jacket fabric comprises the following specific steps:
(1) adding 5 parts by weight of potassium dodecamolybdatophosphate into absolute ethyl alcohol with the volume 10 times of that of the potassium dodecamolybdatophosphate, stirring and dispersing for 10min at 50 ℃ and 100rpm, then adding 4 parts of oleic acid, heating to boil at 150rpm, then adding 10 parts of titanium tetrachloride solution, heating and refluxing for 20h, cooling, filtering, washing with deionized water, and drying at 40 ℃ to obtain titanium dodecamolybdatophosphate doped titanium dioxide;
(2) modifying 10 parts of dodecamolybdatophosphoric acid doped titanium dioxide obtained in the step (1) to obtain modified dodecamolybdatophosphoric acid doped titanium dioxide;
(3) and (3) mixing 70 parts of caprolactam, 4 parts of aminocaproic acid and 10 parts of the modified dodecamolybdic acid doped titanium dioxide obtained in the step (2), placing the mixture in a three-neck flask, introducing nitrogen for protection, heating the mixture in an oil bath to 262 ℃, performing reflux condensation at 200rpm for 8 hours, performing melt spinning on the obtained product, and performing doubling, twisting, warping and weaving to obtain the cloth.
Further, the preparation method of the modified dodecamolybdophosphoric acid doped titanium dioxide in the step (2) comprises the following steps:
(1) adding 10 parts of dodecamolybdic phosphoric acid doped titanium dioxide into absolute ethyl alcohol with the volume being 10 times of that of the dodecamolybdic phosphoric acid doped titanium dioxide, then dispersing for 5min at 2000rpm, then adjusting the pH of the dodecamolybdic phosphoric acid doped titanium dioxide to 9 by using a sodium hydroxide solution with the mass fraction of 2%, adding 10 parts of an ethanol solution of vinyl triethoxysilane with the mass fraction of 1%, stirring, refluxing and condensing for 4h at 82 ℃, filtering, washing with deionized water, and drying;
(2) and (2) adding 10 parts of the product obtained in the step (1) into absolute ethyl alcohol with the volume 10 times of that of the product, then adding 3 parts of porphyrin, carrying out ultrasonic treatment for 20min at 50 ℃ by using 55KHz, then adding 0.4 part of ammonium persulfate, heating to 85 ℃, stirring and reacting for 4h at 300rpm, cooling, filtering, washing and drying to obtain the modified dodecamolybdophosphoric acid doped titanium dioxide.
Further, the preparation method of the titanium tetrachloride solution in the step (1) comprises the following steps: 4 parts of titanium tetrachloride was added dropwise to 15 parts by mass of a 30% hydrochloric acid solution in an ice-water bath, and then diluted with 60 parts of deionized water.
Through performance tests, the water contact angle of the obtained fabric is 155 degrees, the tensile breaking strength is 542N, the elongation is 43 percent, the air permeability is 477L/(m < 2 >. s), and the degradation rate of methylene blue is 97.6 percent.
Example 2
A preparation method of a self-cleaning down jacket fabric comprises the following specific steps:
(1) adding 6 parts by weight of potassium dodecamolybdatophosphate into absolute ethyl alcohol with the volume being 11 times of that of the potassium dodecamolybdatophosphate, stirring and dispersing for 15min at 55 ℃ and 150rpm, then adding 5 parts of oleic acid, heating to boil at 160rpm, then adding 12 parts of titanium tetrachloride solution, heating and refluxing for reaction for 23h, cooling, filtering, washing with deionized water, and drying at 43 ℃ to obtain titanium dioxide doped with dodecamolybdatophosphate;
(2) modifying 12 parts of dodecamolybdatophosphoric acid doped titanium dioxide obtained in the step (1) to obtain modified dodecamolybdatophosphoric acid doped titanium dioxide;
(3) and (3) mixing 75 parts of caprolactam, 5 parts of aminocaproic acid and 13 parts of the modified dodecamolybdic acid doped titanium dioxide obtained in the step (2), placing the mixture in a three-neck flask, introducing nitrogen for protection, heating the oil bath to 264 ℃, performing reflux condensation at 210rpm for 9 hours, performing melt spinning on the obtained product, and performing doubling, twisting, warping and weaving to obtain the cloth.
Further, the preparation method of the modified dodecamolybdophosphoric acid doped titanium dioxide in the step (2) comprises the following steps:
(1) adding 12 parts of dodecamolybdic phosphoric acid doped titanium dioxide into absolute ethyl alcohol with the volume 13 times of that of the dodecamolybdic phosphoric acid doped titanium dioxide, then dispersing for 6min at 2100rpm, then adjusting the pH of the dodecamolybdic phosphoric acid doped titanium dioxide to 9.2 by using a sodium hydroxide solution with the mass fraction of 3%, adding 14 parts of an ethanol solution of vinyl triethoxysilane with the mass fraction of 2%, stirring, refluxing and condensing for 5h at 83 ℃, filtering, washing with deionized water, and drying;
(2) and (2) adding 12 parts of the product obtained in the step (1) into absolute ethyl alcohol with the volume being 11 times that of the product, then adding 4 parts of porphyrin, carrying out ultrasonic treatment for 25min at 55 ℃ by using 57KHz, then adding 0.4 part of ammonium persulfate, heating to 86 ℃, stirring and reacting for 5h at 350rpm, cooling, filtering, washing and drying to obtain the modified dodecamolybdophosphoric acid doped titanium dioxide.
Further, the preparation method of the titanium tetrachloride solution in the step (1) comprises the following steps: 5 parts of titanium tetrachloride was added dropwise to 16 parts by mass of a 32% hydrochloric acid solution in an ice-water bath, followed by addition of 63 parts of deionized water for dilution.
Through performance tests, the water contact angle of the obtained fabric is 156 degrees, the tensile breaking strength is 544N, the elongation is 44%, the air permeability is 479L/(m < 2 >. s), and the degradation rate of methylene blue is 97.9%.
Example 3
A preparation method of a self-cleaning down jacket fabric comprises the following specific steps:
(1) adding 8 parts by weight of potassium dodecamolybdatophosphate into absolute ethyl alcohol with the volume being 12 times of that of the potassium dodecamolybdatophosphate, stirring and dispersing for 20min at 60 ℃ and 200rpm, then adding 6 parts of oleic acid, heating to boil at 170rpm, then adding 15 parts of titanium tetrachloride solution, heating and refluxing for 25h, cooling, filtering, washing with deionized water, and drying at 45 ℃ to obtain titanium dioxide doped with dodecamolybdatophosphate;
(2) modifying 15 parts of dodecamolybdatophosphoric acid doped titanium dioxide obtained in the step (1) to obtain modified dodecamolybdatophosphoric acid doped titanium dioxide;
(3) and (3) mixing 80 parts of caprolactam, 6 parts of aminocaproic acid and 15 parts of the modified dodecamolybdic acid doped titanium dioxide obtained in the step (2), placing the mixture in a three-neck flask, introducing nitrogen for protection, heating the mixture in an oil bath to 265 ℃, performing reflux condensation for 10 hours at 220rpm, performing melt spinning on the obtained product, and performing doubling, twisting, warping and weaving to obtain the cloth.
Further, the preparation method of the modified dodecamolybdophosphoric acid doped titanium dioxide in the step (2) comprises the following steps:
(1) adding 15 parts of dodecamolybdic phosphoric acid doped titanium dioxide into absolute ethyl alcohol with the volume 15 times that of the dodecamolybdic phosphoric acid doped titanium dioxide, then dispersing for 5min at 2000rpm, then adjusting the pH of the dodecamolybdic phosphoric acid doped titanium dioxide to 9 by using a sodium hydroxide solution with the mass fraction of 2%, adding 10 parts of an ethanol solution of vinyl triethoxysilane with the mass fraction of 1%, stirring, refluxing and condensing for 4h at 82 ℃, filtering, washing with deionized water, and drying;
(2) and (2) adding 10 parts of the product obtained in the step (1) into absolute ethyl alcohol with the volume 10 times of that of the product, then adding 3 parts of porphyrin, carrying out ultrasonic treatment for 20min at 50 ℃ by using 55KHz, then adding 0.4 part of ammonium persulfate, heating to 85 ℃, stirring and reacting for 4h at 300rpm, cooling, filtering, washing and drying to obtain the modified dodecamolybdophosphoric acid doped titanium dioxide.
Further, the preparation method of the titanium tetrachloride solution in the step (1) comprises the following steps: 4 parts of titanium tetrachloride was added dropwise to 15 parts by mass of a 30% hydrochloric acid solution in an ice-water bath, and then diluted with 60 parts of deionized water.
Through performance tests, the water contact angle of the obtained fabric is 158 degrees, the tensile breaking strength is 541N, the elongation is 41 percent, the air permeability is 475L/(m < 2 >. s), and the degradation rate of methylene blue is 98.2 percent.
The specific performance test method is as follows:
the contact angles of water drops on the surfaces of the respective groups of test specimens were measured at room temperature using a contact angle goniometer (DSA 100, Kruss, Germany), and the average value of the contact angles of water drops at five different points on the surface of the sample was obtained.
The tensile breaking strength and elongation at break of wool/polyester suit fabric are tested according to GB/T3923.1-1997 part 1 of tensile properties of textile fabrics, bar method for determination of breaking strength and elongation at break. Each set of 5 samples, having a fabric length of 35 cm and a fabric width of 6cm, was averaged.
The air permeability of the fabric was tested according to GB/T5453-1997 determination of air permeability of textile fabrics. Each group of 5 samples, 30 cm x 30 cm, aperture of orifice 8 mm, were measured and averaged.
Self-cleaning performance test: characterized by photocatalytic degradation of methylene blue. Firstly, the sample is concentrated at 10X 10-3Soaking the sample in the methylene blue aqueous solution for 1h, taking out the sample, wiping off the methylene blue adsorbed by the sample by using paper, drying the sample in the dark, putting the sample into an accelerated aging box, measuring the degradation degree according to the change of the integral area of a main absorption peak at 660nm,after 10h, the degradation rate of methylene blue was recorded, and the number of repeats per group was 5, and the average value was taken to obtain a sample of 3cm × 10 cm.
Claims (3)
1. A preparation method of a self-cleaning down jacket fabric is characterized by comprising the following specific steps:
(1) adding 5-8 parts by weight of potassium dodecamolybdatophosphate into absolute ethyl alcohol with the volume 10-12 times of that of the potassium dodecamolybdatophosphate, stirring and dispersing at 50-60 ℃ and 200rpm for 10-20min, then adding 4-6 parts of oleic acid, heating to boil at 150-170rpm, then adding 10-15 parts of titanium tetrachloride solution, heating and refluxing for 20-25h, cooling, filtering, washing with deionized water, and drying at 40-45 ℃ to obtain titanium dioxide doped with the potassium dodecamolybdatophosphate;
(2) modifying 10-15 parts of dodecamolybdic phosphoric acid doped titanium dioxide obtained in the step (1) to obtain modified dodecamolybdic phosphoric acid doped titanium dioxide;
(3) mixing 70-80 parts of caprolactam, 4-6 parts of aminocaproic acid and 10-15 parts of the modified dodecamolybdic acid doped titanium dioxide obtained in the step (2), placing the mixture in a three-neck flask, introducing nitrogen for protection, heating the oil bath to 262 plus 265 ℃, refluxing and condensing for 8-10h at 200 plus 220rpm, then carrying out melt spinning on the obtained product, and carrying out doubling, twisting, warping and weaving to obtain the cloth.
2. The preparation method of the self-cleaning down jacket fabric as claimed in claim 1, wherein the preparation method of the modified dodecamolybdatophosphoric acid doped titanium dioxide in the step (2) is as follows:
(1) adding 10-15 parts of dodecamolybdic phosphoric acid doped titanium dioxide into absolute ethyl alcohol with the volume 10-15 times of that of the dodecamolybdic phosphoric acid doped titanium dioxide, then dispersing for 5-8min at 2000-2200rpm, then adjusting the pH of the dodecamolybdic acid doped titanium dioxide to 9-9.5 by using a sodium hydroxide solution with the mass fraction of 2-4%, adding 10-17 parts of an ethanol solution of vinyl triethoxysilane with the mass fraction of 1-2%, stirring, refluxing and condensing for 4-6h at 82-85 ℃, filtering, washing with deionized water, and drying;
(2) adding 10-15 parts of the product obtained in the step (1) into absolute ethyl alcohol with the volume 10-13 times of that of the product, then adding 3-4 parts of porphyrin, carrying out ultrasonic treatment at 50-60 ℃ by using 55-60KHz for 20-30min, then adding 0.4-0.5 part of ammonium persulfate, heating to 85-89 ℃, stirring and reacting for 4-6h at 300-400rpm, cooling, filtering, washing and drying to obtain the modified dodecamolybdophosphoric acid doped titanium dioxide.
3. The preparation method of the self-cleaning down jacket fabric as claimed in claim 1, wherein the preparation method of the titanium tetrachloride solution in the step (1) comprises the following steps: 4-6 parts of titanium tetrachloride is added into 15-18 parts of hydrochloric acid solution with the mass fraction of 30-34% under the condition of ice water bath dropwise, and then 60-65 parts of deionized water is added for dilution.
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| CN201911160248.3A CN110725042A (en) | 2019-11-23 | 2019-11-23 | Preparation method of self-cleaning down jacket fabric |
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Citations (6)
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| CN104621759A (en) * | 2013-11-10 | 2015-05-20 | 常熟米迪服饰有限公司 | Self-cleaning down jacket |
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2019
- 2019-11-23 CN CN201911160248.3A patent/CN110725042A/en active Pending
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| CN1854384A (en) * | 2005-04-20 | 2006-11-01 | 中科波司登纳米服饰（苏州）有限公司 | Production of feather dress fabric with self-cleaning function |
| CN104621759A (en) * | 2013-11-10 | 2015-05-20 | 常熟米迪服饰有限公司 | Self-cleaning down jacket |
| CN106884316A (en) * | 2017-01-18 | 2017-06-23 | 雅戈尔服装控股有限公司 | A kind of preparation method of photocatalyst-type floride-free super-hydrophobic automatically cleaning textile |
| CN107177076A (en) * | 2017-06-15 | 2017-09-19 | 巢湖市强力渔业有限责任公司 | A kind of anticorrosive wear-resistant fishing net |
| CN108411615A (en) * | 2018-02-10 | 2018-08-17 | 吴刚 | A kind of preparation method of antibiotic self-cleaning fabric |
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