CN111304931A - Wear-resistant flame-retardant floor leather for vehicles and preparation method thereof - Google Patents
Wear-resistant flame-retardant floor leather for vehicles and preparation method thereof Download PDFInfo
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- CN111304931A CN111304931A CN202010091004.0A CN202010091004A CN111304931A CN 111304931 A CN111304931 A CN 111304931A CN 202010091004 A CN202010091004 A CN 202010091004A CN 111304931 A CN111304931 A CN 111304931A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/128—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1642—Hardnes
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
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- D06N2209/00—Properties of the materials
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- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1692—Weather resistance
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
- D06N2211/263—Cars
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- D06N2211/00—Specially adapted uses
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- D06N2211/28—Artificial leather
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Abstract
The invention discloses wear-resistant flame-retardant floor leather for vehicles, which is characterized by consisting of a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 20-30 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 8-15 parts of hyperbranched polyurethane acrylate, 50-60 parts of 3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3-5 parts of epoxy modified hexamethylenetetramine, 1-3 parts of black phosphorus, 10-15 parts of nano boron fiber, 1-3 parts of diamond, 1-3 parts of coupling agent, 3-6 parts of amino modified polysiloxane and 0.2-0.4 part of azodiisobutyronitrile. The invention also discloses a preparation method of the wear-resistant flame-retardant floor leather for the vehicle. The wear-resistant flame-retardant floor leather for the vehicle disclosed by the invention is good in wear resistance, obvious in flame-retardant effect, excellent in environmental protection property and antibacterial property, light in weight, good in mechanical strength, good in ageing resistance and weather resistance and long in service life.
Description
Technical Field
The invention relates to the technical field of floor leather, in particular to wear-resistant flame-retardant floor leather for vehicles and a preparation method thereof.
Background
In recent years, with the development of economy and the progress of society, the living standard of people is improved year by year, and automobiles become the standard of successful people gradually, which not only brings convenience for people to go on a journey, but also is a symbol of identity. A saddle is well arranged on a horse, a sail is well arranged on a ship, and a good interior decoration material is required to be arranged on a good automobile. As a common interior decoration material, the plastic flooring is required to have excellent wear resistance and flame retardancy, so as to prolong the service life and ensure personal safety of passengers.
The floor leather for vehicle is one kind of floor material for use in vehicle, belongs to plastic product, is one of the essential floor materials for modern vehicle decoration, has thickness over 1.5 mm and wear-resisting layer over 0.1, and is produced with glass fiber or double-coated sole with high flatness. The plastic floor leather is a soft floor, and is a floor coiled material produced by using resin as main raw material, adding proper adjuvant and adopting the processes of coating or calendering on sheet-like continuous base material, and can be extensively used for playing the roles of dust-proofing, water-proofing and mud-proofing to different extent, so that the carpet in the car can be protected. However, the flame retardant property of the floor leather in the prior art is not ideal, the floor leather can burn quickly when exposed to fire, the spread of fire can not be effectively delayed, and the floor leather has great potential safety hazard. And at present traditional synthetic leather surface is easy to grind flower, wear out, on the use of products such as floor leather and pedal of car lamp, needs often to change, and use cost is high, and it brings a lot of troubles to the user to change repeatedly.
In addition, the floor leathers for the vehicle are generally of a single-layer or double-layer structure, the floor leathers are easy to break, deform and lose appearance, the surface is generally low in wear resistance, the phenomena of surface abrasion and damage frequently occur, the phenomenon of edge separation and upwarp is easy to occur after water seepage in the use process, and the service life is directly influenced.
The prior patent document CN 108948577A discloses an environment-friendly flame-retardant floor leather and a production method thereof, the environment-friendly flame-retardant floor leather is specially used for vehicles, and has certain flame-retardant property, but the structure of the environment-friendly flame-retardant floor leather is divided into a cloth base layer, a flame-retardant layer and an anti-skid wear-resistant layer, and all the layers are combined by bonding, so that the strength and the wear resistance of the floor leather are obviously reduced; the existing patent document CN 105019256A discloses a flame-retardant wear-resistant anti-slip composite floor leather and a manufacturing process and application thereof, which have a good flame-retardant effect, but phosphorus flame retardants and halogen flame retardants are added into the floor leather, so that although the floor leather can be flame-retardant, harmful gases can be released at high temperature, and the floor leather can also generate great harm to human bodies.
Therefore, the wear-resistant flame-retardant automobile floor leather with good comprehensive performance is developed to meet the market demand, has wide market value and application prospect, and has very important significance for promoting the development of the floor leather industry.
Disclosure of Invention
The invention mainly aims to provide the wear-resistant flame-retardant floor leather for the vehicle, which has the advantages of good wear resistance, obvious flame-retardant effect, excellent environmental protection and antibacterial performance, light weight, good mechanical strength, good aging resistance and weather resistance,
the service life is long; meanwhile, the invention also provides a preparation method of the wear-resistant flame-retardant floor leather for the vehicle, and the preparation method is simple and easy to implement, has small dependence on equipment, low energy consumption and high preparation efficiency and finished product qualification rate, is suitable for continuous large-scale production, and realizes the unification of economic benefits, social benefits and ecological benefits.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 2, 4-diamino-6-vinyl-S-triazines
20-30 parts of/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 8-15 parts of hyperbranched polyurethane acrylate, 50-60 parts of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3-5 parts of epoxy modified hexamethylenetetramine, 1-3 parts of black phosphorus, 10-15 parts of nano boron fiber, 1-3 parts of diamond, 1-3 parts of coupling agent, 3-6 parts of amino modified polysiloxane and 0.2-0.4 part of azobisisobutyronitrile.
Preferably, the preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and an initiator into a high boiling point solvent, stirring and reacting for 4-6 hours at 60-70 ℃ in the atmosphere of nitrogen or inert gas, then precipitating in water, washing the precipitated polymer for 3-6 times by ethanol, and finally drying in a vacuum drying oven at 80-90 ℃ to constant weight to obtain the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer.
Preferably, the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine, the 1-adamantyl methacrylate, the 3,4, 5-trifluoro cinnamic acid, the initiator and the high boiling point solvent is 1:1 (0.3-0.5).
Preferably, the initiator is at least one of azobisisobutyronitrile and azobisisoheptonitrile; the high boiling point solvent is at least one of dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone; the inert gas is one of helium, neon and argon.
Preferably, the method for preparing the polycondensate of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and a catalyst into an organic solvent, stirring and reacting for 13-18 hours at 80-90 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 3-6 times by using toluene, and drying in a vacuum drying oven at 80-90 ℃ to constant weight to obtain the polycondensate.
Preferably, the mole ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the catalyst to the organic solvent is 1:1 (0.4-0.8) to (6-10).
Preferably, the catalyst is any one of isopropyl titanate, zinc octoate and dibutyltin dilaurate; the organic solvent is one of benzene, toluene, xylene and tetrahydrofuran.
Preferably, the preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and an alkaline catalyst into chloroform, stirring and reacting for 4-6 hours at the temperature of 80-90 ℃, then carrying out rotary evaporation to remove the chloroform, washing the product with diethyl ether for 3-6 times, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain the epoxy modified hexamethylenetetramine.
Preferably, the molar ratio of the hexamethylenetetramine to the epichlorohydrin to the basic catalyst to the chloroform is 1:3 (0.4-0.7) to (12-20).
Preferably, the basic catalyst is at least one of tetrabutylammonium bromide and triphenylphosphine.
The invention also aims to provide a preparation method of the wear-resistant flame-retardant floor leather for the vehicle, which is characterized by comprising the following steps:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer;
and S2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the step S1, and directly passing through a bonding heating guide roller to bond the fiber cloth substrate layer and the flame-retardant surface adhesive layer to obtain the wear-resistant flame-retardant floor leather for the vehicle.
Preferably, the extrusion temperature of the extrusion molding in the step S1 is 210-230 ℃.
Preferably, the temperature of the bonding heating guide roller in the step S2 is 125-145 ℃, and the drawing speed is 5-8 m/min.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the wear-resistant flame-retardant floor leather for the vehicle comprises a wear-resistant flame-retardant layer and a fiber cloth substrate layer, wherein the wear-resistant flame-retardant layer contains hyperbranched polyurethane acrylate and other components, so that the wear-resistant flame-retardant layer and the fiber cloth substrate layer have good bonding performance, delamination does not occur, and the defect that the wear-resistant flame-retardant layer is contacted with the ground and is not firmly bonded due to dust and other reasons is avoided.
(2) The wear-resistant flame-retardant floor leather for the vehicle is characterized in that the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 20-30 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 8-15 parts of hyperbranched polyurethane acrylate, 50-60 parts of 3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3-5 parts of epoxy modified hexamethylenetetramine, 1-3 parts of black phosphorus, 10-15 parts of nano boron fiber, 1-3 parts of diamond, 1-3 parts of coupling agent, 3-6 parts of amino modified polysiloxane and 0.2-0.4 part of azodiisobutyronitrile. The synergistic effect of the raw materials can well overcome the defects that the automotive floor leather in the prior art is easy to crack, deform and lose appearance, the surface is generally low in wear resistance, the phenomena of surface abrasion and damage frequently occur, the phenomenon of edge separation and upwarp is easy to occur after water seepage in the use process, and the service life is directly influenced.
(3) The wear-resistant flame-retardant floor leather for the vehicle is prepared by blending a base material comprising a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, a 3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, wherein molecular chains of the copolymer and the polycondensate both contain adamantane and oxazine structures, so that the compatibility between the copolymer and the polycondensate is good, and the introduction of the structures can improve the weather resistance, wear resistance and flame retardance of the floor leather,
(4) According to the wear-resistant flame-retardant floor leather for the vehicle, the hyperbranched polyurethane acrylate is introduced, and the hyperbranched polyurethane acrylate is easy to generate graft crosslinking reaction with the copolymer in the base material under the action of the initiator to form a three-dimensional network structure, so that not only is the bonding performance improved, but also the comprehensive performance, especially the wear resistance and the flame retardance, of the floor leather are improved; the added epoxy modified hexamethylenetetramine introduces a multi-amino structure, so that the cohesiveness is improved, the flame retardance is improved, the epoxy group on the epoxy modified hexamethylenetetramine is easy to perform a crosslinking reaction on the amino group on the copolymer, and the quaternary ammonium salt group introduced on the epoxy modified hexamethylenetetramine is easy to perform an ion exchange reaction on the carboxyl group on the copolymer, so that the crosslinking degree is higher, and the performance stability is further improved.
(5) According to the wear-resistant flame-retardant floor leather for the vehicle, the diamond, the black phosphorus and the nano boron fiber are added, and the synergistic effect is achieved, so that the mechanical property of the floor leather is improved, and the hardness and the wear resistance of the floor leather are effectively improved.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The raw materials in the embodiment of the invention are all purchased commercially; the preparation method of the hyperbranched polyurethane acrylate is as follows: preparation and performance research of UV curable hyperbranched polyurethane acrylate, Xuchaohua and the like, journal of chemical engineering of colleges and universities 1 in 2014, page 156-164; the amino-modified polysiloxane was a dow corning amino-modified polysiloxane available from jingle (hunan) chemical limited.
Example 1
The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 2, 4-diamino-6-vinyl-S-triazines
20 parts of/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 8 parts of hyperbranched polyurethane acrylate, 50 parts of 3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3 parts of epoxy modified hexamethylenetetramine, 1 part of black phosphorus, 10 parts of nano boron fiber, 1 part of diamond, 1 part of coupling agent, 3 parts of amino modified polysiloxane and 0.2 part of azodiisobutyronitrile.
The preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and azodiisobutyronitrile into dimethyl sulfoxide, stirring and reacting for 4 hours at 60 ℃ in a nitrogen atmosphere, precipitating in water, washing the precipitated polymer for 3 times by using ethanol, and finally drying in a vacuum drying oven at 80 ℃ to constant weight to obtain a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer; the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine to the 1-adamantyl methacrylate to the 3,4, 5-trifluoro cinnamic acid to the azodiisobutyronitrile to the dimethyl sulfoxide is 1:1: 0.3.
The preparation method of the 3, 5-di (6-isocyanic hexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane polycondensate comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and isopropyl titanate into benzene, stirring and reacting for 13 hours at the temperature of 80 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 3 times by using toluene, and drying the polymer in a vacuum drying oven at the temperature of 80 ℃ to constant weight to obtain a polycondensate; the molar ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the isopropyl titanate to the benzene is 1:1:0.4: 6.
The preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and tetrabutylammonium bromide into chloroform, stirring and reacting for 4 hours at the temperature of 80 ℃, then carrying out rotary evaporation to remove the chloroform, washing a product for 3 times by using diethyl ether, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain epoxy modified hexamethylenetetramine; the molar ratio of the hexamethylene tetramine to the epoxy chloropropane to the tetrabutyl ammonium bromide to the chloroform is 1:3:0.4: 12.
The preparation method of the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising the following steps of:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 210 ℃;
s2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the S1, and directly passing through a bonding heating guide roller to bond the fiber cloth base layer and the flame-retardant surface adhesive layer to obtain wear-resistant flame-retardant floor leather for the vehicle; the temperature of the bonding heating guide roller is 125 ℃, and the traction speed is 5 m/min.
Example 2
The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 22 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 10 parts of hyperbranched polyurethane acrylate, 53 parts of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3.5 parts of epoxy modified hexamethylenetetramine, 1.5 parts of black phosphorus, 11 parts of nano boron fiber, 1.5 parts of diamond, 1.5 parts of coupling agent, 4 parts of amino modified polysiloxane and 0.25 part of azobisisobutyronitrile.
The preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and azodiisoheptanonitrile into N, N-dimethylformamide, stirring and reacting for 4.5 hours at 62 ℃ in a helium atmosphere, precipitating in water, washing the precipitated polymer for 4 times by ethanol, and finally drying in a vacuum drying oven at 82 ℃ to constant weight to obtain a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer; the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine to the 1-adamantyl methacrylate to the 3,4, 5-trifluoro cinnamic acid to the azodiisoheptanonitrile to the N, N-dimethylformamide is 1:1: 0.35.
The preparation method of the 3, 5-di (6-isocyanic hexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane polycondensate comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and zinc octoate into toluene, stirring and reacting for 14 hours at 82 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 4 times by using the toluene, and drying the polymer in a vacuum drying oven at 82 ℃ to constant weight to obtain a polycondensate; the molar ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the zinc octoate to the toluene is 1:1:0.5: 7.
The preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and triphenylphosphine into chloroform, stirring and reacting for 4.5 hours at 82 ℃, then performing rotary evaporation to remove the chloroform, washing a product for 4 times by using diethyl ether, and then performing rotary evaporation to remove the rest diethyl ether to obtain epoxy modified hexamethylenetetramine; the mole ratio of the hexamethylene tetramine to the epoxy chloropropane to the triphenyl phosphorus to the chloroform is 1:3:0.5: 14.
The preparation method of the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising the following steps:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 215 ℃;
s2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the S1, and directly passing through a bonding heating guide roller to bond the fiber cloth base layer and the flame-retardant surface adhesive layer to obtain wear-resistant flame-retardant floor leather for the vehicle; the temperature of the bonding heating guide roller is 132 ℃, and the traction speed is 6 m/min.
Example 3
The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 25 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 12 parts of hyperbranched polyurethane acrylate, 55 parts of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 4 parts of epoxy modified hexamethylenetetramine, 2 parts of black phosphorus, 13 parts of nano boron fiber, 2 parts of diamond, 2 parts of coupling agent, 4.5 parts of amino modified polysiloxane and 0.3 part of azodiisobutyronitrile.
The preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and azodiisobutyronitrile into N, N-dimethylformamide, stirring and reacting for 5 hours at 65 ℃ in the atmosphere of neon, then precipitating in water, washing the precipitated polymer for 5 times by ethanol, and finally drying in a vacuum drying oven at 85 ℃ to constant weight to obtain a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer; the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine to the 1-adamantyl methacrylate to the 3,4, 5-trifluoro cinnamic acid to the azodiisobutyronitrile to the N, N-dimethylformamide is 1:1: 0.4.
The preparation method of the 3, 5-di (6-isocyanic hexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane polycondensate comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and dibutyltin dilaurate into dimethylbenzene, stirring and reacting for 16 hours at 85 ℃ in a nitrogen atmosphere, then performing rotary evaporation to remove the solvent, washing the obtained polymer for 5 times by methylbenzene, and drying in a vacuum drying oven at 85 ℃ to constant weight to obtain a polycondensate; the molar ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the dibutyltin dilaurate to the xylene is 1:1:0.6: 8.
The preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and tetrabutylammonium bromide into chloroform, stirring and reacting for 5 hours at 85 ℃, then carrying out rotary evaporation to remove the chloroform, washing the product for 5 times by using diethyl ether, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain epoxy modified hexamethylenetetramine; the molar ratio of the hexamethylene tetramine to the epoxy chloropropane to the tetrabutyl ammonium bromide to the chloroform is 1:3:0.55: 16.
The preparation method of the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising the following steps of:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 220 ℃;
s2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the S1, and directly passing through a bonding heating guide roller to bond the fiber cloth base layer and the flame-retardant surface adhesive layer to obtain wear-resistant flame-retardant floor leather for the vehicle; the temperature of the bonding heating guide roller is 135 ℃, and the traction speed is 6.5 m/min.
Example 4
The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 28 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 14 parts of hyperbranched polyurethane acrylate, 58 parts of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 4.5 parts of epoxy modified hexamethylenetetramine, 2.5 parts of black phosphorus, 14 parts of nano boron fiber, 2.6 parts of diamond, 2.5 parts of coupling agent, 5 parts of amino modified polysiloxane and 0.35 part of azobisisobutyronitrile.
The preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and an initiator into a high boiling point solvent, stirring and reacting for 5.5 hours at 69 ℃ in an argon atmosphere, precipitating in water, washing the precipitated polymer for 6 times by ethanol, and finally drying in a vacuum drying oven at 88 ℃ to constant weight to obtain a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer; the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine to the 1-adamantyl methacrylate to the 3,4, 5-trifluoro cinnamic acid to the initiator to the high boiling point solvent is 1:1: 0.45; the initiator is formed by mixing azodiisobutyronitrile and azodiisoheptonitrile according to the mass ratio of 3: 5; the high boiling point solvent is formed by mixing dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone according to a mass ratio of 1:3:2: 2.
The preparation method of the 3, 5-di (6-isocyanic hexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane polycondensate comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and a catalyst into tetrahydrofuran, stirring and reacting for 17 hours at 88 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 6 times by using toluene, and drying in a vacuum drying oven at 88 ℃ to constant weight to obtain a polycondensate; the molar ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the catalyst to tetrahydrofuran is 1:1:0.7: 9; the catalyst is prepared by mixing isopropyl titanate, zinc octoate and dibutyltin dilaurate according to the mass ratio of 1:2: 3.
The preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and an alkaline catalyst into chloroform, stirring and reacting for 5.8 hours at 88 ℃, then carrying out rotary evaporation to remove the chloroform, washing a product for 6 times by using diethyl ether, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain epoxy modified hexamethylenetetramine; the molar ratio of the hexamethylene tetramine to the epoxy chloropropane to the basic catalyst to the chloroform is 1:3:0.65: 19; the alkaline catalyst is prepared by mixing tetrabutylammonium bromide and triphenylphosphine in a mass ratio of 3: 5.
The preparation method of the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising the following steps of:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 225 ℃;
and S2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the step S1, and directly passing through a bonding heating guide roller to bond the fiber cloth substrate layer and the flame-retardant surface adhesive layer to obtain the wear-resistant flame-retardant floor leather for the vehicle. The temperature of the bonding heating guide roller is 142 ℃, and the traction speed is 7.5 m/min.
Example 5
The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 30 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 15 parts of hyperbranched polyurethane acrylate, 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 5 parts of epoxy modified hexamethylenetetramine, 3 parts of black phosphorus, 15 parts of nano boron fiber, 3 parts of diamond, 3 parts of coupling agent, 6 parts of amino modified polysiloxane and 0.4 part of azobisisobutyronitrile.
The preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and azodiisoheptanonitrile into N-methylpyrrolidone, stirring and reacting for 6 hours at 70 ℃ in a nitrogen atmosphere, precipitating in water, washing the precipitated polymer for 6 times by ethanol, and finally drying in a vacuum drying oven at 90 ℃ to constant weight to obtain a 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer; the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine to the 1-adamantyl methacrylate to the 3,4, 5-trifluoro cinnamic acid to the azodiisoheptanonitrile to the N-methylpyrrolidone is 1:1: 0.5.
The preparation method of the 3, 5-di (6-isocyanic hexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -triketone/1, 3-dihydroxyethyl adamantane polycondensate comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and dibutyltin dilaurate into tetrahydrofuran, stirring and reacting for 18 hours at 90 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 6 times by using toluene, and drying in a vacuum drying oven at 90 ℃ to constant weight to obtain a polycondensate; the molar ratio of the bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to the 1, 3-dihydroxyethyl adamantane to the dibutyltin dilaurate to the tetrahydrofuran is 1:1:0.8: 10.
The preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and tetrabutylammonium bromide into chloroform, stirring and reacting for 6 hours at 90 ℃, then carrying out rotary evaporation to remove the chloroform, washing the product for 6 times by using diethyl ether, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain epoxy modified hexamethylenetetramine; the molar ratio of the hexamethylene tetramine to the epoxy chloropropane to the tetrabutyl ammonium bromide to the chloroform is 1:3:0.7: 20.
The preparation method of the wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising the following steps of:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 230 ℃;
s2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the S1, and directly passing through a bonding heating guide roller to bond the fiber cloth base layer and the flame-retardant surface adhesive layer to obtain wear-resistant flame-retardant floor leather for the vehicle; the temperature of the bonding heating guide roller is 145 ℃, and the traction speed is 8 m/min.
Comparative example 1
This example provides a wear resistant flame retardant floor covering for vehicles having a formulation and method of preparation substantially the same as example 1 except that no 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluorocinnamic acid copolymer is added.
Comparative example 2
The present example provides a wear-resistant flame-retardant floor covering for vehicles, which has a formulation and a preparation method substantially the same as those of example 1, except that hyperbranched urethane acrylate is not added.
Comparative example 3
The embodiment provides wear-resistant flame-retardant floor leather for vehicles, which has the same formula and preparation method as those of embodiment 1, except that epoxy modified hexamethylenetetramine is not added.
Comparative example 4
This example provides a wear-resistant flame-retardant vehicle floor covering, which is substantially the same in formulation and preparation method as example 1, except that no black phosphorus, nano boron fibers and diamond are added.
The flame retardancy, abrasion, peel strength and light aging performance of each group of the floor leathers of the examples and the comparative examples are respectively taken and tested by the method disclosed in the patent document CN 105019256A, each test is repeated for 3 times, the results are averaged, and the performance parameters of the floor leathers of the examples and the comparative examples are shown in the table 1.
TABLE 1
| Detecting items | Flame retardancy | Abrasion (g/48h) | Degree of peeling | Light aging property |
| Example 1 | V-0 | 0.12 | Is free of | No chalking and smooth surface |
| Example 2 | V-0 | 0.11 | Is free of | No chalking and smooth surface |
| Example 3 | V-0 | 0.09 | Is free of | No chalking and smooth surface |
| Examples4 | V-0 | 0.08 | Is free of | No chalking and smooth surface |
| Example 5 | V-0 | 0.05 | Is free of | No chalking and smooth surface |
| Comparative example 1 | V-2 | 0.25 | Is provided with | The surface is pulverized |
| Comparative example 2 | V-1 | 0.23 | Is provided with | The surface is pulverized |
| Comparative example 3 | V-2 | 0.30 | Severe severity of disease | The surface is pulverized |
| Comparative example 4 | V-2 | 0.28 | Is free of | No chalking and smooth surface |
As can be seen from Table 1, the wear-resistant flame-retardant automobile floor leather disclosed by the embodiment of the invention has the flame retardance of V-0 grade, the abrasion of 0.12-0.05g/48h, no detected stripping, no pulverization due to light aging and smooth surface; and the abrasion-resistant flame-retardant automobile floor leather in the comparative example has the flame retardance of V-1 grade to V-2 grade, the abrasion is 0.23-0.30g/48h, the peeling is detected, the peeling degree is serious, and the light aging surface is pulverized. It can be seen that the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, the hyperbranched polyurethane acrylate, the epoxy modified hexamine black phosphorus, the nano boron fiber and the diamond all have beneficial effects on improving the performances, and the excellent performances of the wear-resistant flame-retardant vehicle floor leather provided by the embodiment of the invention are the result of synergistic effect of the components.
The foregoing is directed to embodiments of the present invention and, more particularly, to a method and apparatus for controlling a power converter in a power converter, including a power converter, a power.
Claims (10)
1. The wear-resistant flame-retardant floor leather for the vehicle is characterized by comprising a fiber cloth base layer and a wear-resistant flame-retardant surface adhesive layer, wherein the wear-resistant flame-retardant surface adhesive layer is prepared from the following raw materials in parts by weight: 20-30 parts of 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer, 8-15 parts of hyperbranched polyurethane acrylate, 50-60 parts of 3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane polycondensate, 3-5 parts of epoxy modified hexamethylenetetramine, 1-3 parts of black phosphorus, 10-15 parts of nano boron fiber, 1-3 parts of diamond, 1-3 parts of coupling agent, 3-6 parts of amino modified polysiloxane and 0.2-0.4 part of azodiisobutyronitrile.
2. The wear-resistant flame-retardant vehicle floor leather according to claim 1, wherein the preparation method of the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer comprises the following steps: adding 2, 4-diamino-6-vinyl-S-triazine, 1-adamantyl methacrylate, 3,4, 5-trifluoro cinnamic acid and an initiator into a high boiling point solvent, stirring and reacting for 4-6 hours at 60-70 ℃ in the atmosphere of nitrogen or inert gas, then precipitating in water, washing the precipitated polymer for 3-6 times by ethanol, and finally drying in a vacuum drying oven at 80-90 ℃ to constant weight to obtain the 2, 4-diamino-6-vinyl-S-triazine/1-adamantyl methacrylate/3, 4, 5-trifluoro cinnamic acid copolymer.
3. The abrasion-resistant flame-retardant vehicle floor leather according to claim 2, wherein the mass ratio of the 2, 4-diamino-6-vinyl-S-triazine, the 1-adamantyl methacrylate, the 3,4, 5-trifluoro cinnamic acid, the initiator and the high boiling point solvent is 1:1 (0.3-0.5).
4. The abrasion-resistant flame-retardant vehicle floor leather according to claim 2, wherein the initiator is at least one of azobisisobutyronitrile and azobisisoheptonitrile; the high boiling point solvent is at least one of dimethyl sulfoxide, N-dimethylformamide, N-dimethylacetamide and N-methylpyrrolidone; the inert gas is one of helium, neon and argon.
5. The abrasion-resistant flame-retardant vehicle floor leather according to claim 1, wherein the preparation method of the polycondensate of 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione/1, 3-dihydroxyethyl adamantane comprises the following steps: adding di-3, 5-di (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione, 1, 3-dihydroxyethyl adamantane and a catalyst into an organic solvent, stirring and reacting for 13-18 hours at 80-90 ℃ in a nitrogen atmosphere, then carrying out rotary evaporation to remove the solvent, washing the obtained polymer for 3-6 times by using toluene, and drying in a vacuum drying oven at 80-90 ℃ to constant weight to obtain the polycondensate.
6. The abrasion-resistant flame-retardant floor leather for vehicles as claimed in claim 5, wherein the molar ratio of bis 3, 5-bis (6-isocyanatohexyl) -2H-1,3, 5-oxadiazine-2, 4,6(3H,5H) -trione to 1, 3-dihydroxyethyl adamantane, catalyst and organic solvent is 1:1 (0.4-0.8) to (6-10).
7. The abrasion-resistant flame-retardant vehicle floor leather according to claim 5, wherein the catalyst is any one of isopropyl titanate, zinc octoate and dibutyltin dilaurate; the organic solvent is one of benzene, toluene, xylene and tetrahydrofuran.
8. The wear-resistant flame-retardant vehicle floor leather according to claim 1, wherein the preparation method of the epoxy modified hexamethylenetetramine comprises the following steps: adding hexamethylenetetramine, epichlorohydrin and an alkaline catalyst into chloroform, stirring and reacting for 4-6 hours at the temperature of 80-90 ℃, then carrying out rotary evaporation to remove the chloroform, washing the product with diethyl ether for 3-6 times, and then carrying out rotary evaporation to remove the rest diethyl ether to obtain the epoxy modified hexamethylenetetramine.
9. The wear-resistant flame-retardant vehicle floor leather as claimed in claim 8, wherein the molar ratio of the hexamethylenetetramine to the epichlorohydrin to the basic catalyst to the chloroform is 1:3 (0.4-0.7) to (12-20); the alkaline catalyst is at least one of tetrabutylammonium bromide and triphenylphosphine.
10. The wear-resistant flame-retardant vehicle floor leather according to any one of claims 1 to 9, wherein the preparation method of the wear-resistant flame-retardant vehicle floor leather comprises the following steps:
step S1, uniformly mixing the raw materials in proportion to obtain a mixed material, and then adding the mixed material into a double-screw extruder for extrusion molding to obtain a wear-resistant flame-retardant surface glue layer; the extrusion temperature of the extrusion molding is 210 ℃ to 230 DEG C
S2, extruding the wear-resistant flame-retardant surface adhesive layer prepared in the S1, and directly passing through a bonding heating guide roller to bond the fiber cloth base layer and the flame-retardant surface adhesive layer to obtain wear-resistant flame-retardant floor leather for the vehicle; the temperature of the bonding heating guide roller is 125-145 ℃, and the traction speed is 5-8 m/min.
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Application publication date: 20200619 |