CN110863297A - Environment-friendly recycled material low-VOC (volatile organic compound) hybrid cotton for automobiles and preparation method thereof - Google Patents
Environment-friendly recycled material low-VOC (volatile organic compound) hybrid cotton for automobiles and preparation method thereof Download PDFInfo
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- CN110863297A CN110863297A CN201911101872.6A CN201911101872A CN110863297A CN 110863297 A CN110863297 A CN 110863297A CN 201911101872 A CN201911101872 A CN 201911101872A CN 110863297 A CN110863297 A CN 110863297A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4242—Carbon fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4274—Rags; Fabric scraps
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/4334—Polyamides
- D04H1/4342—Aromatic polyamides
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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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/005—Laser beam treatment
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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Abstract
The invention discloses environment-friendly recycled material low-VOC miscellaneous cotton for automobiles, which is prepared from old clothes, aramid fiber, carbon fiber and bamboo fiber; the old clothes are subjected to photocatalytic degradation treatment; the aramid fiber is surface-treated aramid fiber; the carbon fiber is subjected to surface treatment. The environment-friendly recycled material is low in VOC (volatile organic compound) and has little or no VOC residual amount, and the raw materials are environment-friendly and recyclable. The invention also discloses a preparation method of the environment-friendly recycled material low-VOC mixed cotton for automobiles, which is simple and convenient to operate and beneficial to industrialization.
Description
Technical Field
The invention relates to the technical field of automobile articles, in particular to low-VOC (volatile organic compound) automobile hybrid cotton made of an environment-friendly recycled material and a preparation method thereof.
Background
The carpet is a ground laying object which is made by weaving, tufting or weaving natural fibers or chemical synthetic fibers such as cotton, hemp, wool, silk, grass yarn and the like by a manual or mechanical process. The carpet is generally paved in the automobile, the automobile carpet is arranged in the automobile, and due to the limitation of the environment in the automobile, the excellent carpet material can directly influence the environment in the automobile. Wherein, the mixed cotton is an important raw material for manufacturing the automobile carpet. However, the conventional miscellaneous cotton for automobiles is generally prepared from raw materials by the conventional processes of opening, carding, drying, forming, cutting and the like. Volatile organic compounds such as aldehydes contained in the hybrid cotton can be directly brought into the carpet, so that the internal environment is polluted, and the health of passengers is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the low-VOC automobile hybrid cotton made of the environment-friendly recycled material, the VOC residual quantity of the product is little and almost zero, and the raw material is environment-friendly and recyclable.
The invention also aims to provide a preparation method of the environment-friendly recycled material low-VOC miscellaneous cotton for automobiles, which is simple and convenient to operate and beneficial to industrialization.
One of the purposes of the invention is realized by adopting the following technical scheme:
an environment-friendly recycled material low-VOC miscellaneous cotton for automobiles is prepared from old clothes, aramid fiber, carbon fiber and bamboo fiber; the old clothes are subjected to photocatalytic degradation treatment; the aramid fiber is subjected to surface treatment; the carbon fiber is subjected to surface treatment.
Further, 30-50 parts of old clothes according to parts by weight; 25-45 parts of aramid fiber; 20-35 parts of carbon fiber; 25-50 parts of bamboo fiber.
Further, dissolving water-soluble epoxy resin and isocyanate in water to obtain a soaking solution, placing the aramid fiber in the soaking solution, heating and soaking, and fishing out and drying to obtain the surface-treated aramid fiber.
Further, the carbon fiber is placed in a laser irradiation chamber for laser irradiation, and the carbon fiber after surface treatment is obtained.
The second purpose of the invention is realized by adopting the following technical scheme:
a preparation method of low-VOC (volatile organic compound) automotive hybrid cotton made of environment-friendly recycled materials comprises the following steps:
an old clothes treatment step: cutting off the collected old clothes, blooming to obtain blooming cotton material, inputting the blooming cotton material into a catalytic reaction chamber, and carrying out catalytic degradation treatment of a photocatalyst to obtain a first raw material;
aramid fiber treatment: dissolving water-soluble epoxy resin and isocyanate in water to obtain a soaking solution, placing the aramid fiber in the soaking solution, heating and soaking, taking out and drying to obtain surface-treated aramid fiber, and marking as a second raw material;
carbon fiber treatment: placing the carbon fiber in a laser irradiation chamber for laser irradiation to obtain a surface-treated carbon fiber, and marking as a third raw material;
a material mixing step: mixing the first raw material, the second raw material, the third raw material and bamboo fibers, opening and removing impurities, and uniformly mixing to obtain a mixture;
a forming step: and (3) carding, spreading, drying, cooling, shaping and cutting the mixture to obtain the composite material.
Further, in the step of treating the old clothes, the catalytic reaction chamber is provided with a reaction cavity, the cavity wall of the reaction cavity is provided with a feed inlet and a discharge outlet, and a bearing plate, a heating device and an ultraviolet lamp are arranged in the reaction cavity; one end of the bearing plate is connected with the feed port, and the other end of the bearing plate is connected with the discharge port; the heating device is arranged below the bearing plate; the inner wall of the reaction cavity is coated with photocatalyst.
Further, when the flowering cotton material is subjected to the catalytic degradation treatment of the photocatalyst, the heating device is started to heat the bearing plate to 100-150 ℃.
Further, the photocatalyst is nano titanium dioxide.
Further, in the aramid fiber treatment step, 100 parts of water-soluble epoxy resin and 20 parts of isocyanate are dissolved in 120 parts of water to obtain a soaking solution, the aramid fiber is placed in the soaking solution, heated to 180 ℃ and soaked for 12-18h, and dried; the weight ratio of the aramid fiber to the soaking solution is 1: (50-100).
Further, in the carbon fiber treatment step, the intensity of laser irradiation is 100-250kGy, and the irradiation time is 5-8 h.
Compared with the prior art, the invention has the beneficial effects that:
(1) the environment-friendly recyclable material low-VOC mixed cotton for the automobile is prepared from old clothes, aramid fibers, carbon fibers and bamboo fibers, wherein the old clothes are subjected to photocatalytic degradation treatment firstly, so that toxic VOC gases such as aldehydes and benzenes in the old clothes can be decomposed; the aramid fiber is subjected to surface treatment, so that the surface adhesiveness of the aramid fiber can be improved, and the adhesion degree of the aramid fiber and other fibers can be increased; the roughness of the surface of the carbon fiber is obviously increased after the surface treatment, so that the carbon fiber is favorable for being combined with other fibers, the friction coefficient of a product can be increased, and the anti-skid capability is improved; the bamboo fiber is an environment-friendly fiber and has natural antibacterial, bacteriostatic, mite-removing, deodorant and ultraviolet-resistant functions. The automobile mixed cotton prepared by the raw materials makes full use of waste clothes, is environment-friendly and recyclable, has low or no VOC content, and has good combination degree and good skid resistance.
(2) The environment-friendly recycled material low-VOC mixed cotton for automobiles is simple and convenient to operate and beneficial to industrialization.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
An environment-friendly recycled material low-VOC miscellaneous cotton for automobiles is prepared from old clothes, aramid fiber, carbon fiber and bamboo fiber; the old clothes are subjected to photocatalytic degradation treatment; the aramid fiber is surface-treated aramid fiber; the carbon fiber is subjected to surface treatment.
The old clothes are firstly subjected to photocatalytic degradation treatment, and toxic VOC gases such as aldehydes, benzene and the like in the old clothes can be decomposed; the aramid fiber is subjected to surface treatment, so that the surface adhesiveness of the aramid fiber can be improved, and the adhesion degree of the aramid fiber and other fibers can be increased; the roughness of the surface of the carbon fiber is obviously increased after the surface treatment, so that the carbon fiber is favorable for being combined with other fibers, the friction coefficient of a product can be increased, and the anti-skid capability is improved; the bamboo fiber is an environment-friendly fiber and has natural antibacterial, bacteriostatic, mite-removing, deodorant and ultraviolet-resistant functions.
As a further embodiment, the old clothes are 30-50 parts by weight; 25-45 parts of aramid fiber; 20-35 parts of carbon fiber; 25-50 parts of bamboo fiber.
As a further embodiment, the water-soluble epoxy resin and the isocyanate are dissolved in water to obtain a soaking solution, the aramid fiber is placed in the soaking solution, heated and soaked, and the aramid fiber after surface treatment is obtained after fishing out and drying. The water solution of the water-soluble epoxy resin and the isocyanate can react with the surface of the aramid fiber at a certain temperature, so that the binding capacity of the aramid fiber and other fibers is improved.
As a further embodiment, the carbon fiber is placed in a laser irradiation chamber to be subjected to laser irradiation, and the surface-treated carbon fiber is obtained. Laser irradiation can improve the roughness of carbon fiber, improves the non-skid property of product.
A preparation method of low-VOC (volatile organic compound) automotive hybrid cotton made of environment-friendly recycled materials comprises the following steps:
an old clothes treatment step: cutting the collected old clothes, blooming to obtain blooming cotton material, inputting the blooming cotton material into a catalytic reaction chamber, and carrying out catalytic degradation treatment of a photocatalyst to obtain a first raw material;
aramid fiber treatment: dissolving water-soluble epoxy resin and isocyanate in water to obtain a soaking solution, placing aramid fiber in the soaking solution, heating and soaking, fishing out and drying to obtain aramid fiber after surface treatment, and marking as a second raw material;
carbon fiber treatment: placing the carbon fiber in a laser irradiation chamber for laser irradiation to obtain the carbon fiber with the surface treated, and marking as a third raw material;
a material mixing step: mixing the first raw material, the second raw material, the third raw material and bamboo fibers, opening and removing impurities, and uniformly mixing to obtain a mixture;
a forming step: and (3) carding, spreading, drying, cooling, shaping and cutting the mixture to obtain the composite material.
As a further implementation mode, in the old clothes treatment step, the catalytic reaction chamber is provided with a reaction cavity, the cavity wall of the reaction cavity is provided with a feeding hole and a discharging hole, and a bearing plate, a heating device and an ultraviolet lamp are arranged in the reaction cavity; one end of the bearing plate is connected with the feed inlet, and the other end of the bearing plate is connected with the discharge outlet; the heating device is arranged below the bearing plate; the inner wall of the reaction cavity is coated with photocatalyst. When the catalytic degradation is carried out, the cotton material of the old clothes is input onto the bearing plate through the feed inlet, the heating device heats the bearing plate, the temperature of the cotton material of the old clothes is raised, the VOC toxic gases such as aldehydes, benzenes and the like contained in the cotton material of the old clothes are released, and the toxic gases are contacted with the photocatalyst powder under the action of the ultraviolet lamp so as to be decomposed into carbon dioxide and water, and then the carbon dioxide and the water are output from the discharge outlet.
As a further implementation mode, when the flowering cotton material is subjected to the catalytic degradation treatment of the photocatalyst, the heating device is started to heat the bearing plate to 100-150 ℃. The photocatalyst is preferably nano titanium dioxide.
As a further implementation mode, in the aramid fiber treatment step, 100 parts of water-soluble epoxy resin and 20 parts of isocyanate are dissolved in 120 parts of water to obtain a soaking solution, the aramid fiber is placed in the soaking solution, heated to 180 ℃ and 250 ℃, soaked for 12-18h and dried; the weight ratio of the aramid fiber to the soaking solution is 1: (50-100). Under these conditions, the water-soluble epoxy resin, the isocyanate and the aramid fiber react to the best extent, and the adhesion of the surface of the aramid fiber can be adjusted to the best state.
As a further embodiment, in the carbon fiber treatment step, the intensity of laser irradiation is 100-250kGy, and the irradiation time is 5-8 h. Under the condition, the surface roughness of the carbon fiber is improved optimally.
The environment-friendly recycled material low-VOC mixed cotton for automobiles is simple and convenient to operate and beneficial to industrialization.
The following are specific examples of the present invention, and raw materials, equipments and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
Example 1:
an environment-friendly recycled material low-VOC miscellaneous cotton for automobiles is prepared from 30 parts of old clothes, 25 parts of aramid fiber, 20 parts of carbon fiber and 25 parts of bamboo fiber. The preparation process comprises the following steps:
an old clothes treatment step: cutting collected old clothes, and then blooming to obtain a blooming cotton material, inputting the blooming cotton material into a catalytic reaction chamber, wherein a reaction chamber is arranged in the reaction chamber, an ultraviolet lamp is arranged in the reaction chamber, nano titanium dioxide is coated on the wall of the ultraviolet lamp, the old clothes cotton material is input onto a bearing plate of the reaction chamber of the catalytic reaction chamber through a feed inlet, a heating device heats the bearing plate to 100 ℃, and after 5 hours, the blooming cotton material is output from a discharge outlet to obtain a first raw material;
aramid fiber treatment: dissolving 100 parts of water-soluble epoxy resin and 20 parts of isocyanate in 120 parts of water to obtain a soaking solution, placing aramid fiber in the soaking solution, heating to 180 ℃, and soaking for 12 hours, wherein the weight ratio of the aramid fiber to the soaking solution is 1: 100, soaking and drying to obtain aramid fiber after surface treatment, and marking as a second raw material;
carbon fiber treatment: placing the carbon fiber in a laser irradiation chamber for laser irradiation, wherein the intensity of the laser irradiation is 100kGy, the irradiation time is 5h, and obtaining the carbon fiber after surface treatment, and marking the carbon fiber as a third raw material;
a material mixing step: mixing the first raw material, the second raw material, the third raw material and bamboo fibers, opening and removing impurities, and uniformly mixing to obtain a mixture;
a forming step: and (3) carding, spreading, drying, cooling, shaping and cutting the mixture to obtain the composite material.
Example 2:
example 2 differs from example 1 in that: the garment is prepared from 50 parts of old clothes, 45 parts of aramid fiber, 35 parts of carbon fiber and 50 parts of bamboo fiber.
The rest is the same as in embodiment 1.
Example 3:
example 3 differs from example 1 in that: the garment is prepared from 40 parts of old clothes, 35 parts of aramid fiber, 30 parts of carbon fiber and 45 parts of bamboo fiber.
The rest is the same as in embodiment 1.
Example 4:
example 4 differs from example 1 in that:
in the step of processing the old clothes, the bearing plate is heated to 150 ℃ for 6 h;
in the aramid fiber treatment step, the aramid fiber is heated to 250 ℃ and soaked for 18 hours, and the weight ratio of the aramid fiber to the soaking solution is 1: 50;
in the carbon fiber treatment step, the intensity of laser irradiation was 250kGy, and the irradiation time was 8 h.
The rest is the same as in embodiment 1.
Example 5
Example 5 differs from example 1 in that:
in the step of processing the old clothes, the bearing plate is heated to 120 ℃ for 6.5 hours;
in the aramid fiber treatment step, the aramid fiber is heated to 220 ℃ and soaked for 15 hours, and the weight ratio of the aramid fiber to the soaking solution is 1: 80;
in the carbon fiber treatment step, the intensity of laser irradiation was 200kGy and the irradiation time was 7 h.
The rest is the same as in embodiment 1.
Comparative example 1
Comparative example 1 differs from example 1 in that: bamboo fibers are not included in the preparation raw materials.
The rest is the same as in example 1.
Comparative example 2
Comparative example 2 differs from example 1 in that: the old clothes are not subjected to photocatalytic degradation by the photocatalyst. The rest is the same as in example 1.
Effect evaluation and Performance detection
The automobile hybrid cotton obtained in examples 1 to 5 and comparative examples 1 to 2 was used, and the relevant indexes were measured, and the detection indexes, standards and results are shown in table 1 below.
TABLE 1 test results of examples 1-5 and comparative examples 1-2 miscellaneous Cotton for automobile
Note: ND in the table indicates not detected.
As can be seen from the records in table 1, the automobile hybrid cotton and the old clothing materials of examples 1 to 5 are subjected to a catalytic luminescence reaction, and bamboo fibers are added, so that volatile organic compounds such as benzenes and aldehydes in the product are substantially absent, the product is healthy and environment-friendly, and example 1 is the best example. The raw material for preparing the automobile cotton in the comparative example 1 does not contain bamboo fiber, the product has no self-cleaning capability, and the residual quantity of benzene, aldehyde and other volatile organic compounds is larger than that of the example; the automobile cotton of comparative example 2 has the raw material that the old clothes are not subjected to the photocatalytic reaction, and the residual benzene and aldehyde in the product is more.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The environment-friendly recycled material low-VOC miscellaneous cotton for automobiles is characterized by being prepared from old clothes, aramid fiber, carbon fiber and bamboo fiber; the old clothes are subjected to photocatalytic degradation treatment; the aramid fiber is subjected to surface treatment; the carbon fiber is subjected to surface treatment.
2. The environmentally friendly recyclable material low-VOC automotive hybrid cotton as claimed in claim 1, wherein 30 to 50 parts by weight of the used clothes; 25-45 parts of aramid fiber; 20-35 parts of carbon fiber; 25-50 parts of bamboo fiber.
3. The environment-friendly recycled material low-VOC miscellaneous cotton for automobiles as claimed in claim 1, wherein water-soluble epoxy resin and isocyanate are dissolved in water to obtain a soaking solution, the aramid fiber is placed in the soaking solution, heated and soaked, and fished out and dried to obtain the surface-treated aramid fiber.
4. The environmentally friendly recyclable low-VOC automotive hybrid cotton as claimed in claim 1, wherein the carbon fibers are subjected to laser irradiation in a laser irradiation chamber to obtain surface-treated carbon fibers.
5. The method for preparing the environment-friendly recycled material low-VOC miscellaneous cotton for automobiles as claimed in any one of claims 1 to 4, which comprises the following steps:
an old clothes treatment step: cutting off the collected old clothes, blooming to obtain blooming cotton material, inputting the blooming cotton material into a catalytic reaction chamber, and carrying out catalytic degradation treatment of a photocatalyst to obtain a first raw material;
aramid fiber treatment: dissolving water-soluble epoxy resin and isocyanate in water to obtain a soaking solution, placing the aramid fiber in the soaking solution, heating and soaking, taking out and drying to obtain surface-treated aramid fiber, and marking as a second raw material;
carbon fiber treatment: placing the carbon fiber in a laser irradiation chamber for laser irradiation to obtain a surface-treated carbon fiber, and marking as a third raw material;
a material mixing step: mixing the first raw material, the second raw material, the third raw material and bamboo fibers, opening and removing impurities, and uniformly mixing to obtain a mixture;
a forming step: and (3) carding, spreading, drying, cooling, shaping and cutting the mixture to obtain the composite material.
6. The method for preparing low-VOC miscellaneous cotton for automobiles of claim 5, wherein in the step of treating old clothes, the catalytic reaction chamber is provided with a reaction chamber, the wall of the reaction chamber is provided with a feed inlet and a discharge outlet, and a bearing plate, a heating device and an ultraviolet lamp are arranged in the reaction chamber; one end of the bearing plate is connected with the feed port, and the other end of the bearing plate is connected with the discharge port; the heating device is arranged below the bearing plate; the inner wall of the reaction cavity is coated with photocatalyst.
7. The method as claimed in claim 6, wherein the heating device is turned on to heat the supporting plate to 100-150 ℃ when the flowering cotton is subjected to the photocatalytic degradation treatment.
8. The method for preparing the environment-friendly recycled material low-VOC miscellaneous cotton for automobiles as claimed in claim 6, wherein the photocatalyst is nano titanium dioxide.
9. The method for preparing the hybrid cotton for the vehicle with low VOC of the environment-friendly recycled material as claimed in claim 5, wherein in the step of processing the aramid fiber, 100 parts of water-soluble epoxy resin and 20 parts of isocyanate are dissolved in 120 parts of water to obtain a soaking solution, the aramid fiber is placed in the soaking solution, heated to 180-250 ℃, soaked for 12-18h and dried; the weight ratio of the aramid fiber to the soaking solution is 1: (50-100).
10. The method for preparing hybrid cotton for vehicle with low VOC as claimed in claim 5, wherein in the carbon fiber treatment step, the intensity of laser irradiation is 100-250kGy, and the irradiation time is 5-8 h.
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| JP2014062336A (en) * | 2012-09-19 | 2014-04-10 | Teijin Ltd | Method for producing semifinished product for fiber-reinforced plastic |
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