CN115584648A - Ultraviolet-resistant manufacturing process of superfine fiber fabric - Google Patents
Ultraviolet-resistant manufacturing process of superfine fiber fabric Download PDFInfo
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- CN115584648A CN115584648A CN202210947800.9A CN202210947800A CN115584648A CN 115584648 A CN115584648 A CN 115584648A CN 202210947800 A CN202210947800 A CN 202210947800A CN 115584648 A CN115584648 A CN 115584648A
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Images
Abstract
The invention discloses an anti-ultraviolet manufacturing process of a 20D nylon superfine fiber fabric, which relates to the technical field of fabric manufacturing and comprises the following steps: (1) weaving: (2) presetting: (3) dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 60min, and the bath ratio is 1:16; (4) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for carrying out aftertreatment at 100 ℃ for 50min; (5) dehydrating; and (6) shaping and drying. The manufacturing process can improve the ultraviolet resistance coefficient of superfine fiber fabric without coating in the industry, can be detected by UPF50+ qualified sunscreen products, can be synchronous with the functions of antibiosis, cold feeling, quick drying, water resistance and the like, and meanwhile, the sunscreen clothes made of the fabric also have good anti-permeability.
Description
Technical Field
The invention relates to the technical field of fabric manufacturing, in particular to an ultraviolet-resistant manufacturing process of a 20D nylon superfine fiber fabric.
Background
Preventing ultraviolet rays from damaging human bodies is being paid more and more attention by consumers. Ultraviolet rays in the solar spectrum not only cause the color fading and embrittlement of textiles, but also cause the sunburn and aging of human skin, generate melanin and color spots, and further induce canceration to harm human health.
The most significant effect of ultraviolet light is on the skin and eyes of the human body. The absorption of ultraviolet light by the skin is related to its wavelength. The shorter the wavelength, the less deep the skin is penetrated, and the less melanin pigmentation after irradiation; the longer the wavelength, the greater the depth of penetration into the skin, and the greater the pigmentation after irradiation. The photon flow with higher energy levels can cause denaturation of nuclear proteins and some enzymes in the cell due to the action of photochemical reactions. Therefore, after exposure to UV light, a latency period of 6-8 hours is required before cellular changes and symptoms, including dry and painful skin, wrinkled skin, and even blistering and desquamation, occur.
First we know the 3 indices UPF UVA UVB for anti-uv detection
Firstly, the method comprises the following steps: UPF: ultraviolet Protection Factor, ultraviolet Protection Factor: the ratio of the average effect of ultraviolet radiation calculated without protection of the skin to the average effect of ultraviolet radiation calculated with protection of the skin with fabric. For example: a UPF value of 50 indicates that 1/50 of ultraviolet rays can penetrate through the fabric, the higher the UPF value is, the better the ultraviolet protection coefficient is, and the highest UPF mark of the national standard textile is 50+, namely the UPF >50, the influence on human bodies can be ignored.
II, secondly: UVA: the long-wave black spot effect ultraviolet ray with 315-400nm of penetrating power reaches the dermis layer of the skin directly, and damages collagen and elastic fiber, so that the skin becomes black and aged. Accounting for 95-98% of the total amount.
Thirdly, the method comprises the following steps: UVB medium wave erythema effect ultraviolet light with medium penetration of 280-315nm cannot pass through glass. Can promote mineral metabolism and vitamin D formation in vivo, but excessive irradiation can cause skin to be sunburned and red swelling and desquamation. Accounting for 2-5% of the total amount.
The invention develops an anti-ultraviolet manufacturing process of superfine fiber fabric, and aims to solve the problems that the single cloth of a customer in the industry is not provided with a microporous anti-ultraviolet coating and is not provided with a calendaring anti-ultraviolet UPF50+ sun protection index, and the air permeability and the comfort degree of the fabric are reduced due to the coating.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-ultraviolet manufacturing process of a 20D nylon ultrafine fiber fabric.
In order to realize the purpose, the invention provides the following technical scheme: an anti-ultraviolet manufacturing process of superfine fiber fabric comprises the following steps:
(1) Weaving: weaving 20D nylon yarn as a main raw material into grey cloth through a weft knitting process;
(2) Presetting: placing the gray fabric into a setting machine, controlling the speed of the vehicle to be 15-20m/min, the rotating speed of a fan to be 1450-1700r/min and the setting temperature to be 140-170 ℃, and properly adjusting the preset temperature and the speed of the vehicle according to the gram weight of the gray fabric;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dyeing agent, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction washing when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, wherein the rotating speed of the dehydrator is controlled to be 1200-1600r/min, and the dewatering time is 5-8min;
(6) Shaping and drying: and putting the dehydrated grey cloth into the forming machine again, and adjusting the speed of the machine according to the density of the grey cloth when drying at the temperature of 120-160 ℃, wherein the proper drying is realized by drying the inside and the outside of the grey cloth completely.
Preferably, the nylon yarn is full-dull yarn, and the yarn contains nano titanium dioxide as a yarn dulling agent.
Preferably, the content of the yarn matting agent in the nylon yarn is 6.0 +/-0.1%.
Preferably, the anionic triazine ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
Preferably, the anionic triazine ultraviolet absorbent is used in an amount of 3.0 ± 0.1% by weight of the raw fabric.
Preferably, the anionic multicomponent chemical mixture comprises 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazine-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
Preferably, the anionic multi-component chemical mixture is used in an amount of 7.0 ± 0.1% by weight of the raw fabric.
Preferably, the cationic ultraviolet screening agent is a titanium dioxide cationic ultraviolet screening agent.
Preferably, the dosage of the cationic ultraviolet screening agent is controlled to be 0.5 +/-0.1% of the weight of the grey cloth.
Preferably, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 1-2.
Compared with the prior art, the invention has the following beneficial effects:
compared with the traditional ultraviolet-resistant fabric coated with a coating, the superfine fiber fabric prepared by the preparation process has better anti-permeability performance, and sun-protective clothing prepared from the fabric can pass the detection of ultraviolet UPF50+, and the fabric also has better performances of tear resistance, no peculiar smell, cool touch and the like, so the superfine fiber fabric has wide application prospect.
Drawings
FIG. 1 is a schematic structural diagram of an ultrafine fiber fabric according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an ultrafine fiber fabric according to an embodiment of the present invention;
fig. 3 is a flow chart of an ultraviolet-resistant manufacturing process of the ultrafine fiber fabric according to the embodiment of the invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
Referring to fig. 1-3, in this embodiment, an ultraviolet-resistant manufacturing process of a 20D nylon ultrafine fiber fabric is provided, the manufacturing process of the ultrafine fiber fabric includes the following steps:
(1) Weaving: weaving 20D nylon yarn as a main raw material into grey cloth through a weft knitting process;
(2) Presetting: placing the gray fabric into a setting machine, controlling the speed of the vehicle to be 15m/min, the rotating speed of a fan to be 1450r/min and the setting temperature to be 140 ℃, and properly adjusting the preset temperature and the speed of the vehicle according to the gram weight of the gray fabric;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dye, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, controlling the rotating speed of the dehydrator to be 1200r/min, and dehydrating for 8min;
(6) Shaping and drying: and putting the dehydrated grey cloth into the forming machine again, and adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 160 ℃, wherein the drying inside and outside the grey cloth is proper.
In this embodiment, the nylon yarn is a full-dull yarn containing nano titanium dioxide as a yarn dulling agent.
In this embodiment, the content of the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
In this example, the anionic triazine ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
In this example, the amount of the anionic triazine ultraviolet absorber used was 3.0 ± 0.1% by weight of the raw fabric.
In this example, the anionic multi-component chemical mixture includes 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazin-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
In this example, the amount of the anionic multi-component chemical mixture is 7.0 ± 0.1% by weight of the raw fabric.
In this embodiment, the cationic uv-screening agent is specifically a titanium dioxide cationic uv-screening agent.
In this embodiment, the amount of the cationic uv-screening agent is controlled to be 0.5 ± 0.1% of the weight of the raw fabric.
In this embodiment, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 1.
Example 2
Referring to fig. 1-3, in this embodiment, an ultraviolet-resistant manufacturing process of a 20D nylon ultrafine fiber fabric is provided, the manufacturing process of the ultrafine fiber fabric includes the following steps:
(1) Weaving: using 20D nylon yarn as a main raw material, and weaving the nylon yarn into grey cloth through a weft knitting process;
(2) Presetting: placing the grey cloth into a setting machine, controlling the speed of the vehicle to be 20m/min, the rotating speed of a fan to be 1700r/min and the setting temperature to be 170 ℃, and properly adjusting the preset temperature and the vehicle speed according to the gram weight of the grey cloth;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dye, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, controlling the rotating speed of the dehydrator to 1600r/min, and controlling the dehydration time to be 8min;
(6) Shaping and drying: and putting the dehydrated grey cloth into the forming machine again, and adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 160 ℃, wherein the drying inside and outside the grey cloth is proper.
In this embodiment, the nylon yarn is a full-dull yarn, and the yarn contains nano titanium dioxide as a yarn dulling agent.
In this embodiment, the content of the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
In this example, the anionic triazine-based ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
In this example, the amount of the anionic triazine-based ultraviolet absorber used was 3.0 ± 0.1% by weight of the raw fabric.
In this example, the anionic multi-component chemical mixture includes 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazin-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
In this example, the anionic multi-component chemical mixture was used in an amount of 7.0 ± 0.1% by weight of the grey fabric.
In this embodiment, the cationic uv-screening agent is specifically a titanium dioxide cationic uv-screening agent.
In this embodiment, the amount of the cationic uv-screening agent is controlled to be 0.5 ± 0.1% of the weight of the raw fabric.
In this embodiment, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 2.
Example 3
Referring to fig. 1-3, in this embodiment, an ultraviolet-resistant manufacturing process of a 20D nylon ultrafine fiber fabric is provided, the manufacturing process of the ultrafine fiber fabric includes the following steps:
(1) Weaving: using 20D nylon yarn as a main raw material, and weaving the nylon yarn into grey cloth through a weft knitting process;
(2) Presetting: placing the grey cloth into a setting machine, controlling the speed of the vehicle to be 18m/min, the rotating speed of a fan to be 1600r/min and the setting temperature to be 150 ℃, and properly adjusting the preset temperature and the speed of the vehicle according to the gram weight of the grey cloth;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dyeing agent, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, wherein the rotating speed of the dehydrator is controlled to be 1500r/min, and the dehydrating time is 6min;
(6) Shaping and drying: and putting the dehydrated grey cloth into the forming machine again, and adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 160 ℃, wherein the drying inside and outside the grey cloth is proper.
In this embodiment, the nylon yarn is a full-dull yarn containing nano titanium dioxide as a yarn dulling agent.
In this embodiment, the content of the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
In this example, the anionic triazine ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
In this example, the amount of the anionic triazine ultraviolet absorber used was 3.0 ± 0.1% by weight of the raw fabric.
In this example, the anionic multi-component chemical mixture includes 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazin-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
In this example, the anionic multi-component chemical mixture was used in an amount of 7.0 ± 0.1% by weight of the grey fabric.
In this embodiment, the cationic uv-screening agent is specifically a titanium dioxide cationic uv-screening agent.
In this embodiment, the amount of the cationic uv-screening agent is controlled to be 0.5 ± 0.1% of the weight of the raw fabric.
In this embodiment, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 1.6.
Example 4
Referring to fig. 1-3, in this embodiment, an anti-ultraviolet manufacturing process for a 20D nylon microfiber fabric is provided, where the manufacturing process for the microfiber fabric includes the following steps:
(1) Weaving: weaving 20D nylon yarn as a main raw material into grey cloth through a weft knitting process;
(2) Presetting: placing the grey cloth into a setting machine, controlling the speed of the vehicle to be 18m/min, the rotating speed of a fan to be 1500r/min and the setting temperature to be 160 ℃, and properly adjusting the preset temperature and the speed of the vehicle according to the gram weight of the grey cloth;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dyeing agent, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 95-100 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, controlling the rotating speed of the dehydrator to be 1500r/min, and controlling the dehydration time to be 7min;
(6) Shaping and drying: and (3) putting the dehydrated grey cloth into the forming machine again, adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 140 ℃, and drying the grey cloth completely.
In this embodiment, the nylon yarn is a full-dull yarn, and the yarn contains nano titanium dioxide as a yarn dulling agent.
In this embodiment, the content of the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
In this example, the anionic triazine-based ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
In this example, the amount of the anionic triazine ultraviolet absorber used was 3.0 ± 0.1% by weight of the raw fabric.
In this example, the anionic multi-component chemical mixture includes 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazin-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
In this example, the anionic multi-component chemical mixture was used in an amount of 7.0 ± 0.1% by weight of the grey fabric.
In this embodiment, the cationic ultraviolet shielding agent is specifically a titanium dioxide cationic ultraviolet shielding agent.
In this embodiment, the amount of the cationic uv-screening agent is controlled to be 0.5 ± 0.1% of the weight of the raw fabric.
In this embodiment, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 1.4.
Example 5
Referring to fig. 1-3, in this embodiment, an anti-ultraviolet manufacturing process for a 20D nylon microfiber fabric is provided, where the manufacturing process for the microfiber fabric includes the following steps:
(1) Weaving: using 20D nylon yarn as a main raw material, and weaving the nylon yarn into grey cloth through a weft knitting process;
(2) Presetting: placing the grey cloth into a setting machine, controlling the speed of the vehicle to be 15m/min, the rotating speed of a fan to be 1550r/min and the setting temperature to be 165 ℃, and properly adjusting the preset temperature and the vehicle speed according to the gram weight of the grey cloth;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, using a dyeing agent, and simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, wherein the dyeing temperature is controlled to be 130 ℃, the heat preservation time is not more than 30min, and the bath ratio is 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, controlling the rotating speed of the dehydrator to 1450r/min, and controlling the dewatering time to 6min;
(6) Shaping and drying: and putting the dehydrated grey cloth into the forming machine again, and adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 150 ℃ to properly dry the grey cloth inside and outside.
In this embodiment, the nylon yarn is a full-dull yarn, and the yarn contains nano titanium dioxide as a yarn dulling agent.
In this embodiment, the content of the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
In this example, the anionic triazine-based ultraviolet absorber is specifically a hydroxyl group-containing 2-monohydroxyphenyltriazine derivative.
In this example, the amount of the anionic triazine ultraviolet absorber used was 3.0 ± 0.1% by weight of the raw fabric.
In this example, the anionic multicomponent chemical mixture includes 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazine-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
In this example, the amount of the anionic multi-component chemical mixture is 7.0 ± 0.1% by weight of the raw fabric.
In this embodiment, the cationic ultraviolet shielding agent is specifically a titanium dioxide cationic ultraviolet shielding agent.
In this embodiment, the dosage of the cationic ultraviolet screening agent is controlled to be 0.5 ± 0.1% of the weight of the grey cloth.
In this embodiment, the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet screening agent is 1.2.
The specific performance test experimental data table of the superfine fiber fabric manufactured by the manufacturing process is shown as the following table:
compared with the traditional ultraviolet-resistant fabric coated with a coating, the superfine fiber fabric prepared by the preparation process has better anti-permeability, and sun-protective clothing made of the fabric can pass the detection of ultraviolet UPF50+, and the fabric also has better performances of tearing resistance, no peculiar smell, cool touch and the like.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (10)
1. An anti-ultraviolet manufacturing process of a 20D nylon superfine fiber fabric is characterized by comprising the following steps:
(1) Weaving: using 20D nylon yarn as a main raw material, and weaving the nylon yarn into grey cloth through a warp and weft weaving process;
(2) Presetting: placing the gray fabric into a setting machine, controlling the speed of the vehicle to be 15-20m/min, the rotating speed of a fan to be 1450-1700r/min and the setting temperature to be 140-170 ℃, and properly adjusting the preset temperature and the speed of the vehicle according to the gram weight of the gray fabric;
(3) Dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow dyeing machine, simultaneously adding an anionic triazine ultraviolet absorbent, an anionic multi-component chemical mixture and a fluorescent whitening agent, controlling the dyeing temperature to be 95-100 ℃, keeping the temperature for no more than 30min, and carrying out a bath ratio of 1:16;
(4) And (3) effluent cleaning: fully washing the dyed grey cloth with water, carrying out reduction cleaning when the grey cloth is dyed in a dark color, and then adding a proper amount of cationic ultraviolet screening agent for post-treatment;
(5) And (3) dehydrating: dewatering the cleaned grey cloth by using a centrifugal dehydrator, wherein the rotating speed of the dehydrator is controlled to be 1200-1600r/min, and the dewatering time is 5-8min;
(6) Shaping and drying: and (3) putting the dehydrated grey cloth into the forming machine again, adjusting the speed of the machine according to the density of the grey cloth when drying the grey cloth at the temperature of 120-160 ℃, and drying the inside and the outside of the grey cloth completely.
2. The anti-ultraviolet manufacturing process of the 20 nylon microfiber fabric according to claim 1, wherein the nylon yarn is a full dull yarn, and the full dull yarn contains nano titanium dioxide as a yarn matting agent.
3. The ultraviolet-resistant manufacturing process of the superfine fiber fabric as claimed in claim 2, wherein the content of titanium dioxide serving as the yarn matting agent in the nylon yarn is 6.0 ± 0.1%.
4. The ultraviolet-resistant manufacturing process of the superfine fiber fabric as claimed in claim 1, wherein the anionic triazine ultraviolet absorber is a hydroxyl-containing 2-hydroxyphenyltriazine derivative.
5. The UV resistant manufacturing process of an ultrafine fiber fabric according to claim 4, wherein the amount of the anionic triazine UV absorber is 3.0 ± 0.1% of the weight of the raw fabric.
6. The process of claim 1, wherein the anionic multicomponent chemical mixture comprises 2,2'- [6- (methylthio) -1,3, 5-triazine-2, 4-diyl ] bis (5-methoxyphenol), 2- [4- (4-methoxyphenyl) -6-phenyl l-1,3, 5-triazine-2-yl ] phenol, and a reactant of formaldehyde and sulfonated 1,1' -oxybis (methylbenzene).
7. The UV resistant manufacturing process of an ultrafine fiber fabric according to claim 6, wherein the amount of the anionic multi-component chemical mixture is 7.0 ± 0.1% by weight of the raw fabric.
8. The ultraviolet-resistant manufacturing process of the superfine fiber fabric according to claim 1, wherein the cationic ultraviolet-screening agent is a titanium dioxide cationic ultraviolet-screening agent.
9. The ultraviolet resistant manufacturing process of the superfine fiber fabric, according to claim 8, characterized in that the dosage of the cationic ultraviolet screening agent is controlled to be 0.5 plus or minus 0.1 percent of the weight of the grey fabric.
10. The ultraviolet-resistant manufacturing process of the ultrafine fiber fabric according to claim 1, wherein the fluorescent whitening agent is a stilbene disulfonic acid derivative type whitening agent, and the weight ratio of the fluorescent whitening agent to the cationic ultraviolet-screening agent is 1-2:1.
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