CN110978683A - High-temperature-resistant double-layer metal melting splashing-preventing fabric and processing technology thereof - Google Patents
High-temperature-resistant double-layer metal melting splashing-preventing fabric and processing technology thereof Download PDFInfo
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- CN110978683A CN110978683A CN201911305850.1A CN201911305850A CN110978683A CN 110978683 A CN110978683 A CN 110978683A CN 201911305850 A CN201911305850 A CN 201911305850A CN 110978683 A CN110978683 A CN 110978683A
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- fabric
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- polylactic acid
- layer metal
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- 239000004744 fabric Substances 0.000 title claims abstract description 119
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 title claims abstract description 64
- 238000002844 melting Methods 0.000 title claims abstract description 54
- 230000008018 melting Effects 0.000 title claims abstract description 54
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 74
- 239000004626 polylactic acid Substances 0.000 claims abstract description 74
- 238000002156 mixing Methods 0.000 claims abstract description 67
- 239000000835 fiber Substances 0.000 claims abstract description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000853 adhesive Substances 0.000 claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims abstract description 27
- 238000002074 melt spinning Methods 0.000 claims abstract description 15
- 239000012943 hotmelt Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000007731 hot pressing Methods 0.000 claims abstract description 6
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 4
- 239000012621 metal-organic framework Substances 0.000 claims abstract description 4
- 239000004753 textile Substances 0.000 claims abstract description 3
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- OYFRNYNHAZOYNF-UHFFFAOYSA-N 2,5-dihydroxyterephthalic acid Chemical compound OC(=O)C1=CC(O)=C(C(O)=O)C=C1O OYFRNYNHAZOYNF-UHFFFAOYSA-N 0.000 claims description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 229920000428 triblock copolymer Polymers 0.000 claims description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 16
- 239000003063 flame retardant Substances 0.000 claims description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 15
- 238000009941 weaving Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- 238000009987 spinning Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 235000005128 Sapium sebiferum Nutrition 0.000 claims description 9
- 244000057114 Sapium sebiferum Species 0.000 claims description 9
- 229920000297 Rayon Polymers 0.000 claims description 8
- 239000002041 carbon nanotube Substances 0.000 claims description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 8
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 8
- 239000004964 aerogel Substances 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 4
- 108010009736 Protein Hydrolysates Proteins 0.000 claims description 4
- 239000000413 hydrolysate Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004965 Silica aerogel Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 239000002071 nanotube Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000005457 optimization Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment
- B32B2571/02—Protective equipment defensive, e.g. armour plates or anti-ballistic clothing
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Woven Fabrics (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a high-temperature-resistant double-layer metal melting and splashing prevention fabric and a processing technology thereof, and relates to the technical field of textile material processing. The preparation method comprises the steps of firstly reacting a nanotube with a metal organic framework material to prepare a modified carbon nanotube when preparing the high-temperature-resistant double-layer metal melting splashing prevention fabric, then blending and granulating the modified carbon nanotube and polylactic acid, and then carrying out hot melt spinning to prepare modified polylactic acid fiber, then blending the modified polylactic acid fiber and aramid fiber to prepare the fabric, and finally bonding the fabric and lining materials through an adhesive, and then carrying out hot pressing to prepare the high-temperature-resistant double-layer metal melting splashing prevention fabric. The high-temperature-resistant double-layer metal melting splashing-preventing fabric prepared by the invention has excellent flame retardance and thermal protection performance, and the mechanical property of the product is better.
Description
Technical Field
The invention relates to the technical field of textile material processing, in particular to a high-temperature-resistant double-layer metal melting splashing-preventing fabric and a processing technology thereof.
Background
In the working environment of metallurgy, casting, electric welding, glass and the like with high-temperature blazing and molten metal splashing, operators need to wear protective clothing made of the metal melting splashing prevention fabric to protect the safety of the operators. For example, when a smelter or a welder works under the conditions of high temperature, metal melting and splashing, high radiation and the like, the temperature of liquid aluminum can reach 800 ℃, the temperature of molten metal can reach 1400 ℃, and if the protective clothing is worn incorrectly, the protective clothing is easy to hurt the body. The protective clothing made of the metal melting splashing prevention fabric has the performances of wear resistance, heat insulation, flame retardance, splashing prevention and the like, is particularly developed for the industries of metallurgy, casting and electric welding, can slide along a cloth cover without damaging the fabric when molten liquid metal splashes onto the novel splashing prevention fabric, and provides reliable and effective protection for the working environment with high-temperature molten metal splashing.
At present, the fabrics used by protective clothing with the function of preventing metal melting and splashing mainly comprise three types: (1) the flame-retardant cotton fabric is processed by a post-processing technology, has a good fireproof effect, but gradually reduces the strength and flame-retardant property along with the increase of washing times, is thick and heavy, has thick yarn count, poor wearing comfort and poor dimensional stability, contains formaldehyde, can cause skin allergy after long-time contact, and needs ammonia gas for fumigation in the flame-retardant post-processing process, and the ammonia gas has strong pungent smell and is harmful to human bodies due to excessive inhalation; (2) although the aluminum film composite protective clothing made of the aluminum film composite fabric has good heat radiation performance, aluminum does not resist high temperature and cannot protect molten metal, and the protective clothing also has the defect of poor air permeability, so that the protective functionality and the comfort cannot meet the requirements; (3) the flame-retardant heat-insulation protective clothing blended by the flame-retardant fibers and the common fibers can only be used as common flame-retardant protection and cannot be suitable for some special high-temperature operation places.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant double-layer metal melting and splashing prevention fabric and a processing technology thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-temperature-resistant double-layer metal melting splashing-preventing fabric is characterized by mainly comprising the following raw material components in parts by weight: 40-60 parts of fabric, 10-20 parts of adhesive and 50-65 parts of lining.
Optimally, the fabric is formed by blending and weaving modified polylactic acid fibers and aramid fibers; the modified polylactic acid fiber is prepared from polylactic acid and modified carbon nano tubes; the modified carbon nanotube is prepared by reacting a carbon nanotube with a metal organic framework material.
Preferably, the adhesive is prepared by blending a styrene-butadiene-styrene block copolymer and silica aerogel.
Preferably, the high-temperature-resistant double-layer metal melting and splashing preventing fabric is a plain pure cotton fabric with the gram weight of 120-140 g/m2 according to claim 3.
As optimization, the high-temperature-resistant double-layer metal melting splashing-preventing fabric mainly comprises the following raw material components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
As optimization, the processing technology of the high-temperature-resistant double-layer metal melting and splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxy terephthalic acid, adding the pretreated carbon nano tube for common reaction, filtering, washing and drying to obtain a modified carbon nano tube;
(2) mixing the modified carbon nano tube obtained in the step (1) with a silane coupling agent for reaction, then blending the mixture with polylactic acid for granulation to obtain modified polylactic acid master batches, and carrying out melt spinning on the modified polylactic acid master batches to obtain modified polylactic acid fibers;
(3) and (3) blending the modified polylactic acid fiber obtained in the step (2) with the flame-retardant viscose fiber to obtain mixed fiber, and weaving the mixed fiber to obtain the fabric.
(4) Coating an adhesive on one side of the fabric, attaching the lining to one side of the fabric containing the adhesive, and performing hot pressing and solidification in a hot press to obtain a high-temperature-resistant double-layer metal melting splashing prevention fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
As optimization, the processing technology of the high-temperature-resistant double-layer metal melting and splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxy terephthalic acid according to a mass ratio of 4:1, adding a mixed solution of 100-200 times of the mass of the 2, 5-dihydroxy terephthalic acid and the magnesium nitrate, wherein the mass of the mixed solution is 0.05 time of that of the magnesium nitrate, stirring and dissolving to obtain a mixed dispersion solution, placing the mixed dispersion solution into a stainless steel reaction kettle with a polytetrafluoroethylene lining, reacting at a constant temperature of 125 ℃ for 24 hours, filtering to obtain a filter cake, washing the filter cake with methanol for 6-8 hours, and drying in vacuum to obtain a modified carbon nanotube;
(2) mixing a silane coupling agent KH-570 with deionized water according to a mass ratio of 5:2, adding methanol 9 times the mass of the deionized water, stirring and mixing, adjusting the pH value to 3-4 to obtain a silane coupling agent hydrolysate, mixing the modified carbon nano tube obtained in the step (1) with the silane coupling agent hydrolysate according to a mass ratio of 1: 50, mixing, stirring for reaction, filtering, drying to obtain a pretreated modified carbon nano tube, mixing the pretreated modified carbon nano tube with polylactic acid according to a mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating at the temperature of 175-185 ℃ to obtain a polylactic acid mixed slice, drying the polylactic acid mixed slice in vacuum at the temperature of 70 ℃ for 5 hours to obtain a modified polylactic acid master batch, and spinning the modified polylactic acid master batch into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(3) blending the modified polylactic acid fiber obtained in the step (2) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber into plain woven fabric with the gram weight of 110-140 g/m2 in a weaving machine at the warp density of 500-600 pieces/10 cm and the fiber density of 420-550 pieces/10 cm to obtain the fabric;
(4) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (3) on one side of the fabric obtained in the step (3), attaching the lining to one side of the fabric containing the adhesive, and placing the fabric in a hot press to perform hot pressing and solidification for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing prevention fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
And (3) as optimization, the conditions of the human hot melt spinning in the step (2) are that the spinning speed is 1000m/min, and the stretching multiple is 2.5-3.5 times.
Preferably, the mixed solution in the step (1) is obtained by mixing N, N-dimethylformamide, water and absolute ethyl alcohol according to a volume ratio of 15:1: 1.
Preferably, the adhesive in the step (4) is prepared by mixing a styrene-butadiene-styrene triblock copolymer and ethyl acetate according to a mass ratio of 1:4, adding a petroleum tree with the mass of the triblock copolymer being 0.3-0.4 times that of the petroleum tree, an anti-aging agent BHT with the mass of the triblock copolymer being 0.08-0.10 times that of the petroleum tree and silicon dioxide aerogel with the mass of the triblock copolymer being 0.1-0.2 times that of the petroleum tree, and stirring and mixing the materials.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, polylactic acid fibers containing modified carbon nanotubes are added into the outer fabric when the high-temperature-resistant double-layer metal melting splashing prevention fabric is prepared; firstly, the carbon nano tubes are adsorbed on the surface of a metal organic framework material after being modified, so that the modified polylactic acid fiber has better mechanical strength after being co-spun with polylactic acid, and meanwhile, the carbon forming amount of the polylactic acid in a high-temperature state can be increased by the modified carbon nano tubes, so that the flame retardant property of the modified polylactic acid fiber is improved, and the flame retardant property of a product is further improved; secondly, the modified carbon nano tube has excellent carbon dioxide adsorption performance, and can realize desorption of carbon dioxide at a high temperature state, so that the modified carbon nano tube in the modified polylactic acid fiber can adsorb carbon dioxide in the air at a normal temperature state in the using process of a product, and when molten metal is encountered, the carbon dioxide adsorbed by the modified carbon nano tube can be released due to the high temperature of the molten metal, so that an air layer is formed between the molten metal and the fabric, and the flame retardance and the thermal protection performance of the product are improved; in addition, after the polylactic acid fiber is blended with the aramid fiber, the polylactic acid fiber can be melted in the hot pressing process, so that the modified carbon nano tubes in the modified polylactic acid fiber are exposed and are blended with the adhesive, and the mechanical property and the thermal protection property of the product are further improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to more clearly illustrate the method provided by the present invention, the following examples are provided, and the method for testing each index of the ship deck surface anticorrosive material manufactured in the following examples is as follows:
thermal protection: and (3) placing the high-temperature-resistant double-layer metal melting splashing-preventing fabric obtained in each example and the comparative product in a TPP thermal protection tester for thermal protection test.
Flame retardancy: the high-temperature resistant double-layer metal melting and splashing prevention fabric obtained in each example and a comparative product are subjected to a limit oxygen index test according to GB/T5454.
Mechanical properties: the high-temperature-resistant double-layer metal melting and splashing preventing fabric obtained in each example and a comparative product are placed in a universal tensile machine to test the longitudinal and latitudinal breaking strength of a sample.
Example 1
A high-temperature-resistant double-layer metal melting splashing-preventing fabric mainly comprises the following components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
A processing technology of a high-temperature-resistant double-layer metal melting splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxyterephthalic acid in a mass ratio of 4:1 in a beaker, adding a mixed solution of the 2, 5-dihydroxyterephthalic acid and the magnesium nitrate in an amount which is 150 times the mass of the magnesium nitrate and is 0.05 times the mass of the magnesium nitrate into the beaker, stirring and dissolving for 5 hours at the temperature of 45 ℃ and the rotating speed of 350r/min to obtain a mixed dispersion liquid, placing the mixed dispersion liquid in a stainless steel reaction kettle with a polytetrafluoroethylene lining, reacting for 24 hours at the constant temperature of 125 ℃, filtering to obtain a filter cake, cleaning the filter cake for 8 hours by using methanol, and drying in vacuum to obtain a modified carbon nanotube;
(2) mixing a silane coupling agent KH-570 and deionized water in a mass ratio of 5:2 in a flask, adding methanol 9 times the mass of the deionized water into the flask, stirring and mixing for 50min at 40 ℃ and 350r/min, adjusting the pH of materials in the flask to 3 by using hydrochloric acid with the mass fraction of 8% to obtain silane coupling agent hydrolysate, mixing the modified carbon nano tube obtained in the step (1) and the silane coupling agent hydrolysate in a mass ratio of 1: 50, mixing, stirring and reacting for 6 hours at the temperature of 45 ℃ and the rotating speed of 400r/min, filtering to obtain a pretreated modified carbon nanotube blank, drying the pretreated modified carbon nanotube blank for 2 hours at the temperature of 85 ℃ to obtain a pretreated modified carbon nanotube, mixing the pretreated modified carbon nanotube and polylactic acid according to the mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating at the temperature of 180 ℃ to obtain a polylactic acid mixed slice, vacuum drying the polylactic acid mixed slice at the temperature of 70 ℃ for 5 hours to obtain modified polylactic acid master batches, and spinning the modified polylactic acid master batches into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(3) blending the modified polylactic acid fiber obtained in the step (2) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber into plain woven fabric with the gram weight of 115g/m2 in a weaving machine at the density of 550 pieces/10 cm and 480 pieces/10 cm to obtain fabric;
(4) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (3) on one side of the fabric obtained in the step (3), attaching the lining to one side of the fabric containing the adhesive to obtain a composite fabric, and placing the composite fabric in a hot press to be hot-pressed and solidified for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing preventing fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
As optimization, the conditions of the human hot melt spinning in the step (2) are that the spinning speed is 1000m/min and the stretching multiple is 3 times.
Preferably, the mixed solution in the step (1) is obtained by mixing N, N-dimethylformamide, water and absolute ethyl alcohol according to a volume ratio of 15:1: 1.
And (3) optimally, mixing the styrene-butadiene-styrene triblock copolymer with ethyl acetate according to the mass ratio of 1:4, adding a petroleum tree accounting for 0.4 times of the mass of the triblock copolymer, an anti-aging agent BHT accounting for 0.10 times of the mass of the triblock copolymer and silicon dioxide aerogel accounting for 0.2 times of the mass of the triblock copolymer, and stirring and mixing to obtain the adhesive.
Example 2
A high-temperature-resistant double-layer metal melting splashing-preventing fabric mainly comprises the following components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
A processing technology of a high-temperature-resistant double-layer metal melting splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing a silane coupling agent KH-570 and deionized water in a mass ratio of 5:2 in a flask, adding methanol 9 times the mass of the deionized water into the flask, stirring and mixing for 50min at 40 ℃ and 350r/min, adjusting the pH of materials in the flask to 3 by using hydrochloric acid with the mass fraction of 8% to obtain silane coupling agent hydrolysate, mixing the carbon nano tube and the silane coupling agent hydrolysate in a mass ratio of 1: 50, mixing, stirring and reacting for 6 hours at the temperature of 45 ℃ and the rotating speed of 400r/min, filtering to obtain a pretreated modified carbon nanotube blank, drying the pretreated modified carbon nanotube blank for 2 hours at the temperature of 85 ℃ to obtain a pretreated modified carbon nanotube, mixing the pretreated modified carbon nanotube and polylactic acid according to the mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating at the temperature of 180 ℃ to obtain a polylactic acid mixed slice, vacuum drying the polylactic acid mixed slice at the temperature of 70 ℃ for 5 hours to obtain modified polylactic acid master batches, and spinning the modified polylactic acid master batches into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(2) blending the modified polylactic acid fiber obtained in the step (1) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber into plain woven fabric with the gram weight of 115g/m2 in a weaving machine at the density of 550 pieces/10 cm and 480 pieces/10 cm to obtain fabric;
(3) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (2) on one side of the fabric obtained in the step (2), attaching the lining to one side of the fabric containing the adhesive to obtain a composite fabric, and placing the composite fabric in a hot press to be hot-pressed and solidified for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing preventing fabric;
(4) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing-preventing fabric obtained in the step (3).
As optimization, the conditions of the human hot melt spinning in the step (1) are that the spinning speed is 1000m/min and the stretching multiple is 3 times.
And (3) optimally, mixing the styrene-butadiene-styrene triblock copolymer with ethyl acetate according to the mass ratio of 1:4, adding a petroleum tree accounting for 0.4 times of the mass of the triblock copolymer, an anti-aging agent BHT accounting for 0.10 times of the mass of the triblock copolymer and silicon dioxide aerogel accounting for 0.2 times of the mass of the triblock copolymer, and stirring and mixing to obtain the adhesive.
Example 3
A high-temperature-resistant double-layer metal melting splashing-preventing fabric mainly comprises the following components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
A processing technology of a high-temperature-resistant double-layer metal melting splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxyterephthalic acid in a mass ratio of 4:1 in a beaker, adding a mixed solution of the 2, 5-dihydroxyterephthalic acid and the magnesium nitrate in an amount which is 150 times the mass of the magnesium nitrate and is 0.05 times the mass of the magnesium nitrate into the beaker, stirring and dissolving for 5 hours at the temperature of 45 ℃ and the rotating speed of 350r/min to obtain a mixed dispersion liquid, placing the mixed dispersion liquid in a stainless steel reaction kettle with a polytetrafluoroethylene lining, reacting for 24 hours at the constant temperature of 125 ℃, filtering to obtain a filter cake, cleaning the filter cake for 8 hours by using methanol, and drying in vacuum to obtain a modified carbon nanotube;
(2) mixing the modified carbon nano tube and polylactic acid according to the mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating the mixture at the temperature of 180 ℃ to obtain a polylactic acid mixed slice, drying the polylactic acid mixed slice at the temperature of 70 ℃ for 5 hours in vacuum to obtain modified polylactic acid master batches, and spinning the modified polylactic acid master batches into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(3) blending the modified polylactic acid fiber obtained in the step (2) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber into plain woven fabric with the gram weight of 115g/m2 in a weaving machine at the density of 550 pieces/10 cm and 480 pieces/10 cm to obtain fabric;
(4) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (3) on one side of the fabric obtained in the step (3), attaching the lining to one side of the fabric containing the adhesive to obtain a composite fabric, and placing the composite fabric in a hot press to be hot-pressed and solidified for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing preventing fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
As optimization, the conditions of the human hot melt spinning in the step (2) are that the spinning speed is 1000m/min and the stretching multiple is 3 times.
Preferably, the mixed solution in the step (1) is obtained by mixing N, N-dimethylformamide, water and absolute ethyl alcohol according to a volume ratio of 15:1: 1.
And (3) optimally, mixing the styrene-butadiene-styrene triblock copolymer with ethyl acetate according to the mass ratio of 1:4, adding a petroleum tree accounting for 0.4 times of the mass of the triblock copolymer, an anti-aging agent BHT accounting for 0.10 times of the mass of the triblock copolymer and silicon dioxide aerogel accounting for 0.2 times of the mass of the triblock copolymer, and stirring and mixing to obtain the adhesive.
Comparative example
A high-temperature-resistant double-layer metal melting splashing-preventing fabric mainly comprises the following components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
A processing technology of a high-temperature-resistant double-layer metal melting splashing prevention fabric mainly comprises the following preparation steps:
(1) mixing the modified carbon nano tube and polylactic acid according to the mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating the mixture at the temperature of 180 ℃ to obtain a polylactic acid mixed slice, drying the polylactic acid mixed slice at the temperature of 70 ℃ for 5 hours in vacuum to obtain modified polylactic acid master batches, and spinning the modified polylactic acid master batches into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(2) blending the modified polylactic acid fiber obtained in the step (1) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber into plain woven fabric with the gram weight of 115g/m2 in a weaving machine at the density of 550 pieces/10 cm and 480 pieces/10 cm to obtain fabric;
(3) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (2) on one side of the fabric obtained in the step (2), attaching the lining to one side of the fabric containing the adhesive to obtain a composite fabric, and placing the composite fabric in a hot press to be hot-pressed and solidified for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing preventing fabric;
(4) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing-preventing fabric obtained in the step (3).
As optimization, the conditions of the human hot melt spinning in the step (1) are that the spinning speed is 1000m/min and the stretching multiple is 3 times.
And (3) optimally, mixing the styrene-butadiene-styrene triblock copolymer with ethyl acetate according to the mass ratio of 1:4, adding a petroleum tree accounting for 0.4 times of the mass of the triblock copolymer, an anti-aging agent BHT accounting for 0.10 times of the mass of the triblock copolymer and silicon dioxide aerogel accounting for 0.2 times of the mass of the triblock copolymer, and stirring and mixing to obtain the adhesive.
Examples of effects
The following table 1 shows the performance analysis results of the high-temperature resistant double-layer metal melting and splashing preventing fabric using the examples 1 to 3 of the present invention and the comparative example.
TABLE 1
Compared with the experimental data of the comparative example and the example 1 in the table 1, it can be found that when the high-temperature-resistant double-layer metal melting and splashing preventing fabric is prepared, the polylactic acid fiber containing the modified carbon nanotube is added into the outer fabric, so that the thermal protection performance of the product can be effectively improved, and the mechanical property of the product can be effectively improved; from the comparison of the experimental data of example 1 and example 2, it can be seen that, when the carbon nanotubes added to the modified polylactic acid fiber are not modified, the carbon nanotubes cannot release gas during heating, so that the thermal protection performance of the product is reduced; from the comparison of the experimental data of example 1 and example 3, it can be found that when the modified carbon nanotubes added to the modified polylactic acid fiber are not treated by the silane coupling agent, the modified carbon nanotubes cannot be uniformly distributed in the polylactic acid, which results in the great reduction of the thermal protection property and the mechanical property of the product.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The high-temperature-resistant double-layer metal melting splashing-preventing fabric is characterized by mainly comprising the following raw material components in parts by weight: 40-60 parts of fabric, 10-20 parts of adhesive and 50-65 parts of lining.
2. The high-temperature-resistant double-layer metal melting and splashing preventing fabric as claimed in claim 1, wherein the fabric is formed by blending and then weaving modified polylactic acid fibers and aramid fibers; the modified polylactic acid fiber is prepared from polylactic acid and modified carbon nano tubes; the modified carbon nanotube is prepared by reacting a carbon nanotube with a metal organic framework material.
3. The high-temperature-resistant double-layer metal melt splashing-resistant fabric as claimed in claim 2, wherein the adhesive is prepared by blending a styrene-butadiene-styrene block copolymer and silica aerogel.
4. The high-temperature-resistant double-layer metal melting and splashing preventing fabric as claimed in claim 3, wherein the fabric is 120-140 g/m in gram weight2The plain pure cotton fabric.
5. The high-temperature-resistant double-layer metal melting splashing-preventing fabric as claimed in claim 4, which is characterized by mainly comprising the following raw material components in parts by weight: 45 parts of fabric, 18 parts of adhesive and 60 parts of lining.
6. A processing technology of a high-temperature-resistant double-layer metal melting splashing prevention fabric is characterized by mainly comprising the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxy terephthalic acid, adding the pretreated carbon nano tube for common reaction, filtering, washing and drying to obtain a modified carbon nano tube;
(2) mixing the modified carbon nano tube obtained in the step (1) with a silane coupling agent for reaction, then blending the mixture with polylactic acid for granulation to obtain modified polylactic acid master batches, and carrying out melt spinning on the modified polylactic acid master batches to obtain modified polylactic acid fibers;
(3) and (3) blending the modified polylactic acid fiber obtained in the step (2) with the flame-retardant viscose fiber to obtain mixed fiber, and weaving the mixed fiber to obtain the fabric.
(4) Coating an adhesive on one side of the fabric, attaching the lining to one side of the fabric containing the adhesive, and performing hot pressing and solidification in a hot press to obtain a high-temperature-resistant double-layer metal melting splashing prevention fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
7. The processing technology of the high-temperature-resistant double-layer metal melting and splashing preventing fabric as claimed in claim 6, mainly comprising the following preparation steps:
(1) mixing magnesium nitrate and 2, 5-dihydroxy terephthalic acid according to a mass ratio of 4:1, adding a mixed solution of 100-200 times of the mass of the 2, 5-dihydroxy terephthalic acid and the magnesium nitrate, wherein the mass of the mixed solution is 0.05 time of that of the magnesium nitrate, stirring and dissolving to obtain a mixed dispersion solution, placing the mixed dispersion solution into a stainless steel reaction kettle with a polytetrafluoroethylene lining, reacting at a constant temperature of 125 ℃ for 24 hours, filtering to obtain a filter cake, washing the filter cake with methanol for 6-8 hours, and drying in vacuum to obtain a modified carbon nanotube;
(2) mixing a silane coupling agent KH-570 with deionized water according to a mass ratio of 5:2, adding methanol 9 times the mass of the deionized water, stirring and mixing, adjusting the pH value to 3-4 to obtain a silane coupling agent hydrolysate, mixing the modified carbon nano tube obtained in the step (1) with the silane coupling agent hydrolysate according to a mass ratio of 1: 50, mixing, stirring for reaction, filtering, drying to obtain a pretreated modified carbon nano tube, mixing the pretreated modified carbon nano tube with polylactic acid according to a mass ratio of 1:15, placing the mixture in a double-screw extruder, blending and granulating at the temperature of 175-185 ℃ to obtain a polylactic acid mixed slice, drying the polylactic acid mixed slice in vacuum at the temperature of 70 ℃ for 5 hours to obtain a modified polylactic acid master batch, and spinning the modified polylactic acid master batch into filaments in a hot-melt spinning machine to obtain modified polylactic acid fibers;
(3) will step withBlending the modified polylactic acid fiber obtained in the step (2) and the flame-retardant viscose fiber in a mass ratio of 2:3 to obtain mixed fiber, and weaving the mixed fiber in a textile machine to obtain the composite fiber with a basis weight of 110-140 g/m and a density of 500-600 pieces/10 cm and a density of 420-550 pieces/10 cm2The plain woven fabric is adopted to obtain the fabric;
(4) coating an adhesive with the mass of 0.4 time that of the fabric obtained in the step (3) on one side of the fabric obtained in the step (3), attaching the lining to one side of the fabric containing the adhesive, and placing the fabric in a hot press to perform hot pressing and solidification for 15min at the temperature of 200 ℃ to obtain a high-temperature-resistant double-layer metal melting and splashing prevention fabric;
(5) and (4) performing index analysis on the high-temperature-resistant double-layer metal melting splashing prevention fabric obtained in the step (4).
8. The processing technology of the high-temperature-resistant double-layer metal melt splashing-preventing fabric according to claim 7, characterized in that the conditions of the human hot melt spinning in the step (2) are that the spinning speed is 1000m/min, and the stretching ratio is 2.5-3.5 times.
9. The processing technology of the high-temperature-resistant double-layer metal melting and splashing preventing fabric as claimed in claim 7, wherein the mixed solution in the step (1) is obtained by mixing N, N-dimethylformamide, water and absolute ethyl alcohol in a volume ratio of 15:1: 1.
10. The processing technology of the high-temperature-resistant double-layer metal melt splashing-preventing fabric according to claim 7, wherein the adhesive in the step (4) is prepared by mixing a styrene-butadiene-styrene triblock copolymer and ethyl acetate according to a mass ratio of 1:4, adding a petroleum tree of which the mass is 0.3-0.4 times that of the triblock copolymer, an anti-aging agent BHT of which the mass is 0.08-0.10 times that of the triblock copolymer and a silicon dioxide aerogel of which the mass is 0.1-0.2 times that of the triblock copolymer, and stirring and mixing the materials.
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