CN111101375A - Method for producing flame-retardant bag by using waste textiles - Google Patents
Method for producing flame-retardant bag by using waste textiles Download PDFInfo
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- CN111101375A CN111101375A CN202010005464.7A CN202010005464A CN111101375A CN 111101375 A CN111101375 A CN 111101375A CN 202010005464 A CN202010005464 A CN 202010005464A CN 111101375 A CN111101375 A CN 111101375A
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Bag Frames (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of waste textile regeneration, and particularly relates to a method for producing a flame-retardant bag by using waste textiles, wherein the raw materials adopt one or more combinations of hotel tablecloth, quilt covers, bed sheets, aviation tablecloth and towel cloth, and the method comprises the following steps: pretreating raw materials; primary processing of raw materials; regenerating cloth; regenerating textile cloth; and (3) processing a finished product, namely cleaning, disinfecting, cutting, printing and sewing the treated regenerated textile fabric to form a textile series product, wherein the textile series product is as follows: one or more of a meal bag, a shopping bag, a binding bag and a shoe cover; the waste textiles are recycled, so that the problems that the existing waste textiles cannot be treated and resources are wasted are solved; the energy-saving and environment-friendly effects are achieved, and the processes of pretreatment, primary processing and regenerated cloth are adopted in the process of treating the regenerated cloth of the waste textiles, so that the problem that the existing waste textiles are not treated in place in the treatment process can be solved, and the application range of the regenerated cloth is widened; meanwhile, in the process, the flame retardant is added into the regenerated cloth, so that the regenerated cloth has a flame retardant effect.
Description
Technical Field
The invention belongs to the technical field of waste textile regeneration, and particularly relates to a method for producing a flame-retardant bag by using waste textiles.
Background
In recent years, people's living standard has increased, and consumers have been increasingly demanding from the basic requirements of textiles to the appearance. The former styles are less, and now, personalization is pursued more and more, which means that consumers can buy more clothes, ornaments and the like under the drive of the fashion trend, the updating speed is faster and faster, and a large amount of waste textiles are generated.
The existing waste textile recovery treatment generally adopts incineration and burying, and other manufacturers can directly regenerate the cloth after simple treatment, so that the quality of the cloth after the waste textile treatment is poor and the environment-friendly and safe use standards can not be met.
Disclosure of Invention
The invention aims to overcome the technical defects, provides a method for producing a flame-retardant bag by using waste textiles, and solves the problems that the existing waste textiles are poor in cloth quality after treatment and cannot reach the standards of environmental protection and safe use.
In order to achieve the technical purpose, the technical scheme of the invention provides a method for producing a flame-retardant bag by using waste textiles, the raw materials adopt one or more combinations of hotel tablecloths, quilt covers, bed sheets, aviation tablecloths and towel cloths, and the method comprises the following steps:
(1) pretreatment of raw materials
Manually removing impurities from the collected raw materials, and performing decontamination treatment on the raw materials after impurity removal;
(2) preliminary processing of raw materials
Performing primary processing on the pretreated raw materials, wherein the primary processing comprises coarse crushing of the raw materials, and sterilization and disinfection of the raw materials after coarse crushing;
(3) regenerated cloth
Loosening, decoloring and re-weaving the sterilized raw materials to obtain regenerated woven cloth;
(4) processing treatment of regenerated textile cloth
Dyeing the processed regenerated textile fabric and soaking the processed regenerated textile fabric in a flame retardant;
(5) processing of finished products
The treated regenerated textile fabric is cut, printed and sewn to form a textile series product, and the textile series product is one or more of a meal bag, a shopping bag, a binding pocket and a shoe cover.
The decontamination treatment in the pretreatment of the raw material specifically comprises,
A. washing with water, soaking in clear water for 30-40 min to remove water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
The alkaline solution is adjusted to be alkalescent by caustic soda and clear water according to a proportion.
The coarse crushing is to cut the raw material into small pieces through a crusher.
The sterilization and disinfection adopt an ultraviolet ray disinfection mode.
The flame retardant is prepared by mixing 30-100 parts of ethylene diamine tetraacetic acid disodium salt and 8-40 parts of deacetylated chitin to prepare a mixed solution, adding 210-280 parts of tetrakis (hydroxymethyl) phosphonium chloride into the mixed solution, and uniformly mixing to obtain the flame retardant finishing liquid.
Compared with the prior art, the invention has the beneficial effects that: the waste textiles are recycled, so that the problems that the existing waste textiles cannot be treated and resources are wasted are solved; in the process of treating the waste textile regenerated cloth, the processes of pretreatment, primary processing and regenerated cloth are adopted, so that the problem that the existing waste textile is not treated in place in the treatment process can be solved, and the application range of the regenerated cloth is widened; meanwhile, in the process, the flame retardant is added into the regenerated cloth, so that the regenerated cloth has a flame retardant effect.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic view of a water washing structure according to the present invention;
in the figure: 1-extrusion device, 2-stirring device, 3-extrusion plate, 4-water pool and 5-waste textile.
Detailed Description
The technical solutions of the present invention are described below clearly and completely with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 of the drawings,
example 1
A method for producing a flame-retardant bag by using waste textiles, wherein the raw materials adopt one or more of hotel table cloth, quilt cover, bed sheet, aviation table cloth and towel cloth, and the method comprises the following steps:
(1) pretreatment of raw materials
Manually removing impurities from the collected raw materials, and performing decontamination treatment on the raw materials after impurity removal;
(2) preliminary processing of raw materials
Performing primary processing on the pretreated raw materials, wherein the primary processing comprises coarse crushing of the raw materials, and sterilization and disinfection of the raw materials after coarse crushing;
(3) regenerated cloth
Loosening, decoloring and re-weaving the sterilized raw materials to obtain regenerated woven cloth;
(4) processing treatment of regenerated textile cloth
Dyeing the processed regenerated textile fabric and soaking the processed regenerated textile fabric in a flame retardant;
(5) processing of finished products
The treated regenerated textile fabric is cut, printed and sewn to form a textile series product, and the textile series product is one or more of a meal bag, a shopping bag, a binding pocket and a shoe cover.
Example 2
A method for producing flame-retardant bags by using waste textiles, which adopts one or more of quilt covers, bed sheets and pillow cases as raw materials, comprises the following steps:
(1) pretreatment of raw materials
Manually removing impurities from the collected raw materials, and performing decontamination treatment on the raw materials after impurity removal;
(2) preliminary processing of raw materials
Performing primary processing on the pretreated raw materials, wherein the primary processing comprises coarse crushing of the raw materials, and sterilization and disinfection of the raw materials after coarse crushing;
(3) regenerated cloth
Loosening, decoloring and re-weaving the sterilized raw materials to obtain regenerated woven cloth;
(4) processing treatment of regenerated textile cloth
Dyeing the processed regenerated textile fabric and soaking the processed regenerated textile fabric in a flame retardant;
(5) processing of finished products
The treated regenerated textile cloth is adopted for cutting, printing and sewing to form textile series products, and the textile series products are one or more of shoe covers, pillow cases and binding pockets.
Example 3
On the basis of the above-mentioned examples 1 and 2, the desmutting treatment in the pretreatment of the raw material specifically includes,
A. washing with water, soaking in clear water for 30-40 min to remove water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
Example 4
On the basis of the above-mentioned examples 1 and 2, the desmutting treatment in the pretreatment of the raw material specifically includes,
A. washing with water, soaking in clear water for 30 min, and removing water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
Example 5
On the basis of the above-mentioned examples 1 and 2, the desmutting treatment in the pretreatment of the raw material specifically includes,
A. washing with water, soaking in clear water for 35 min to remove water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
Example 6
On the basis of the above-mentioned examples 1 and 2, the desmutting treatment in the pretreatment of the raw material specifically includes,
A. washing with water, soaking in clear water for 40 min, and removing water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
In the above embodiments 3 to 6, the collected waste textile raw materials are subjected to manual impurity removal in advance, and a manual screening may be adopted to remove hard objects in the collected raw materials, where the hard objects include all attachments greater than 3 cm attached to the waste textile raw materials; after preliminary impurity removal is carried out manually, the waste textiles are paved on a vibrating device, raw materials are continuously stirred, hard objects in the raw materials can be removed mechanically through a loquat rod, garbage and attachments attached to the waste textiles can be removed through the mode, and the purity of subsequent regenerated cloth is improved.
In the above embodiments 3 to 6, the raw material after being subjected to manual impurity removal is washed with water, during washing, the raw material is put into a washing tank, and a stirring device is arranged at the bottom of the washing tank, so that the raw material is continuously stirred during washing with water at a temperature of 60 ℃, the waste textile fabrics are compressed in the middle of the washing tank by an extrusion device in cooperation with the stirring device, then impurities floating on the washing tank are manually fished, and finally the washed waste textile raw material is removed.
In this embodiment, as shown in fig. 2, the stirring device 2 stirs the waste textile fabric 5 in the water tank 4, and after the process is completed, the waste textile fabric is compressed to the middle of the water washing tank 4 by the extrusion plate in the extrusion device 1, the extrusion plate 3 is a net structure, and after the extrusion is completed, the floating impurities are fished out.
In the above embodiments 3 to 6, after the water washing is completed, the treated raw material is subjected to alkali washing, wherein the water temperature needs to be controlled at 42 ℃, the alkali washing is performed for multiple times, the PH value of the alkaline solution is adjusted each time, in the first stage, the PH value of the alkaline solution is controlled to be 7.5-8.5, and the raw material is subjected to one-stage alkali washing; in the second stage, the pH value of the alkaline solution is controlled to be 8.5-10, and the raw materials are subjected to two-stage alkaline washing; in the third stage, the PH value of the alkaline solution is controlled to be greater than 12.5, and the raw material is subjected to three-stage alkaline washing, in this embodiment, multiple times of alkaline washing are adopted and the PH value of the alkaline solution is controlled, so that impurities in the alkaline solution such as grease, protein and the like in the waste textile raw material can be ensured. In this embodiment, the alkaline solution is prepared from caustic soda and clear water in a certain ratio, but the method is not limited to this method, and the PH of the alkaline solution is adjusted.
Example 7
In this example, coarse comminution is the cutting of the raw material into small pieces by means of a cloth mill; carry out shredding with the old and useless fabrics raw materials after carrying out the preliminary treatment in above-mentioned embodiment, cut into the fritter with fabric through the cloth chopper, be convenient for bleach and disinfect the raw materials after cutting into the fritter, all rinse through the monoblock in present technology, the disinfection, can lead to rinsing and disinfection not enough like this, influence follow-up regeneration weaving cloth's use.
Example 8
In this embodiment, before the disinfection of disinfecting, carry out bleaching processing to the fritter raw materials of cutting, the disinfection of disinfecting to the raw materials after handling, the disinfection of disinfecting adopts the ultraviolet ray disinfection mode in this embodiment, and the raw materials that will handle are through ultraviolet ray degassing unit, and the disinfection of disinfecting is handled, is cut into the junked textile fabric, and is big with ultraviolet area of contact for the improvement that the effect of disinfecting and disinfecting obtains showing.
Example 9
The flame retardant is prepared by mixing 30 parts of ethylene diamine tetraacetic acid disodium salt and 8 parts of deacetylated chitin to prepare a mixed solution, adding 210 parts of tetrakis (hydroxymethyl) phosphonium chloride into the mixed solution, and uniformly mixing.
Example 10
The flame retardant is prepared by mixing 65 parts of ethylene diamine tetraacetic acid disodium salt and 20 parts of deacetylated chitin to prepare a mixed solution, adding 240 parts of tetrakis (hydroxymethyl) phosphonium chloride into the mixed solution, and uniformly mixing.
Example 11
The flame retardant is prepared by mixing 100 parts of ethylene diamine tetraacetic acid disodium salt and 40 parts of deacetylated chitin to prepare a mixed solution, adding 280 parts of tetrakis (hydroxymethyl) phosphonium chloride into the mixed solution, and uniformly mixing.
In the above embodiments 9 to 11, the regenerated textile fabric obtained by processing the waste textiles is dyed and soaked in the flame retardant, the regenerated textile fabric is dyed, the flame retardant is added into the dyeing tank during the dyeing process, the dried and molded regenerated textile fabric has the flame retardant effect, and the fabrics with different colors can be customized, and then the fabric is cut according to the finished product to manufacture the required bag.
According to the above description of the embodiment, the comparison experiment is performed to detect the cloth processed by waste textile and the cloth produced normally, the experiment is performed by using the defect point of the cloth,
table 1 cloth test results
Experiment 1: according to the above example 4, the soaked product is soaked in clean water for 30 minutes.
Experiment 2: according to the above example 5, the soaked solution was soaked in clean water for 35 minutes.
Experiment 3: according to the above example 6, the soaked product is soaked in clean water for 40 minutes.
Experiment 4: an artificial impurity removal step was performed in experiment 2.
Experiment 5: on the basis of experiment 4, the waste textile fabrics were cut into small pieces.
Experiment 6: according to experiment 5, a stirring device is additionally arranged at the bottom of the water tank, and impurities are compressed and fished out.
Experiment 7: the alkaline solution pH of the alkaline wash was controlled between 8.5 and 10 according to the experimental procedure of experiment 6.
Experiment 8: the alkaline solution pH of the alkaline wash was controlled between 7.5 and 8.5 according to the experimental procedure of experiment 6.
Experiment 9: according to the experimental steps of experiment 6, the alkaline solution for alkaline washing has different pH values in the three alkaline washes, which are respectively the first stage, the pH value of the alkaline solution is controlled to be in the range of 7.5-8.5, and the raw material is subjected to one-stage alkaline washing; in the second stage, the pH value of the alkaline solution is controlled to be 8.5-10, and the raw materials are subjected to two-stage alkaline washing; in the third stage, the pH value of the alkaline solution is controlled to be more than 12.5, and the raw material is subjected to three-stage alkaline washing.
Experiment 10: according to experiment 9 and example 9.
Experiment 11: flame retardant according to experiment 9 and in example 10.
Experiment 12: flame retardant according to experiment 9 and in example 11.
In the above experiment, the standard of every 100 yards of flaw was not 20 points, and more than 20 points were inferior.
According to the comparison experiment and the embodiment, after manual impurity removal, flaw points of the produced cloth can be obviously reduced, and in addition, a three-section type alkali washing mode is adopted, so that the yield of the cloth can be effectively improved;
and by adding the flame retardant, 65 parts of disodium ethylene diamine tetraacetate and 20 parts of deacetylated chitin are mixed to prepare a mixed solution, 240 parts of tetrakis (hydroxymethyl) phosphonium chloride is added into the mixed solution, and the flame retardant is obtained after uniform mixing, so that the flame retardant has a more obvious effect.
According to the embodiment and the comparative experiment, the textile fabric prepared by the method is almost the same as the fabric produced normally in the flaw point detection experiment and reaches the same level, so that the cloth bag produced by the fabric is used as a standard for normal use, the development of the existing raw materials can be reduced, the data can be saved, and the effect of waste utilization can be achieved.
Claims (7)
1. A method for producing a flame-retardant bag by using waste textiles is characterized in that raw materials adopt one or more of hotel table cloth, quilt cover, bed sheet, aviation tablecloth and towel cloth, and the method comprises the following steps:
(1) pretreatment of raw materials
Manually removing impurities from the collected raw materials, and performing decontamination treatment on the raw materials after impurity removal;
(2) preliminary processing of raw materials
Performing primary processing on the pretreated raw materials, wherein the primary processing comprises coarse crushing of the raw materials, and sterilization and disinfection of the raw materials after coarse crushing;
(3) regenerated cloth
Loosening, decoloring and re-weaving the sterilized raw materials to obtain regenerated woven cloth;
(4) processing treatment of regenerated textile cloth
Dyeing the processed regenerated textile fabric and soaking the processed regenerated textile fabric in a flame retardant;
(5) processing of finished products
The treated regenerated textile fabric is cut, printed and sewn to form a textile series product, and the textile series product is one or more of a meal bag, a shopping bag, a binding pocket and a shoe cover.
2. The method for producing the flame-retardant bag by using the waste textiles according to claim 1, wherein the raw materials are one or more of quilt covers, bed sheets and pillow covers, and the method comprises the following steps:
(1) pretreatment of raw materials
Manually removing impurities from the collected raw materials, and performing decontamination treatment on the raw materials after impurity removal;
(2) preliminary processing of raw materials
Performing primary processing on the pretreated raw materials, wherein the primary processing comprises coarse crushing of the raw materials, and sterilization and disinfection of the raw materials after coarse crushing;
(3) regenerated cloth
Loosening, decoloring and re-weaving the sterilized raw materials to obtain regenerated woven cloth;
(4) processing treatment of regenerated textile cloth
Dyeing the processed regenerated textile fabric and soaking the processed regenerated textile fabric in a flame retardant;
(5) processing of finished products
The treated regenerated textile fabric is adopted for cutting and sewing to form the textile fabric, and the textile fabric is one or more of shoe covers, pillow cases and binding pockets.
3. The method for producing the flame-retardant bag by using the waste textiles according to the claim 1 or 2, wherein the decontamination treatment in the pretreatment of the raw materials comprises,
A. washing with water, soaking in clear water for 30-40 min to remove water-soluble stains in the raw materials;
B. and (3) alkaline washing, namely adding a certain amount of alkaline solution into the raw material which is washed and drained, and removing grease and protein in water.
4. The method for producing fire retardant bags from waste textiles as claimed in claim 3, wherein the alkaline solution is proportioned into alkaline solution from caustic soda and clear water.
5. The method for producing fire retardant bags from waste textiles according to claim 4, wherein the coarse grinding is to cut the raw materials into small pieces by a crusher.
6. The method for producing the flame-retardant bag by using the waste textiles as claimed in claim 4, wherein the sterilization and disinfection are carried out by using an ultraviolet sterilization mode.
7. The method for producing fire-retardant bag by using waste textiles as claimed in claim 4, wherein the fire retardant is obtained by mixing 30-100 parts of disodium ethylenediamine tetraacetic acid and 8-40 parts of deacetylated chitin to prepare a mixed solution, adding 210-280 parts of tetrakis (hydroxymethyl) phosphonium chloride to the mixed solution, and mixing uniformly.
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Cited By (4)
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| CN113914103A (en) * | 2021-09-15 | 2022-01-11 | 安徽省天助纺织科技集团股份有限公司 | Production process for manufacturing flame-retardant sailcloth bag by using waste textiles |
| CN115045110A (en) * | 2022-07-18 | 2022-09-13 | 安徽省天助纺织科技集团股份有限公司 | Preparation method of antibacterial environment-friendly shopping bag based on waste textiles |
| CN115216974A (en) * | 2022-07-08 | 2022-10-21 | 安徽省天助纺织科技集团股份有限公司 | Method for preparing antibacterial stain-resistant handbag by regenerating waste fiber cloth |
| ES2947810A1 (en) * | 2023-05-25 | 2023-08-21 | Tejidos Royo S L | FIREPROOF, FIRE RESISTANT AND FLAME RETARDANT TEXTILE MATERIAL (Machine-translation by Google Translate, not legally binding) |
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| CN113914103A (en) * | 2021-09-15 | 2022-01-11 | 安徽省天助纺织科技集团股份有限公司 | Production process for manufacturing flame-retardant sailcloth bag by using waste textiles |
| CN113914103B (en) * | 2021-09-15 | 2024-05-07 | 安徽省天助纺织科技集团股份有限公司 | Production process for manufacturing flame-retardant canvas bag by using waste textiles |
| CN115216974A (en) * | 2022-07-08 | 2022-10-21 | 安徽省天助纺织科技集团股份有限公司 | Method for preparing antibacterial stain-resistant handbag by regenerating waste fiber cloth |
| CN115045110A (en) * | 2022-07-18 | 2022-09-13 | 安徽省天助纺织科技集团股份有限公司 | Preparation method of antibacterial environment-friendly shopping bag based on waste textiles |
| ES2947810A1 (en) * | 2023-05-25 | 2023-08-21 | Tejidos Royo S L | FIREPROOF, FIRE RESISTANT AND FLAME RETARDANT TEXTILE MATERIAL (Machine-translation by Google Translate, not legally binding) |
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