CN115772334A - Fireproof and aging-resistant plate and preparation method thereof - Google Patents
Fireproof and aging-resistant plate and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a fireproof and ageing-resistant plate and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 40-60 parts of propylene 1-butene copolymer, 40-60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 50-100 parts of wood powder, 3-10 parts of flame retardant, 10-20 parts of filler, 1-5 parts of antibacterial agent and 3-8 parts of antioxidant. The fireproof aging-resistant plate prepared by the invention adopts the propylene 1-butylene copolymer and the modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion as the main materials, so that the aging resistance of the material is enhanced; the piperazine pyrophosphate and the aluminum hydroxide are compounded for use, so that the fireproof performance of the material is improved; the combined use of the boron-lithium stone and the copper-tungsten improves the mechanical property of the material.
Description
Technical Field
The invention belongs to the technical field of building material preparation, and particularly relates to a fireproof and anti-aging plate and a preparation method thereof.
Background
The building board mainly comprises a cement board, a gypsum board, a solid wood board, a wood-plastic board, a stone material and the like; solid wood boards and high-end stone materials have limited yield and high price, so that the wide application of the solid wood boards and the high-end stone materials is limited, cement boards can only be used for outer walls of buildings, and gypsum boards are generally used for decorative boards of the buildings. The wood-plastic board is a novel material, is prepared by compounding sawdust and a high polymer material, has low cost, moderate weight and acid and alkali resistance, and is widely applied.
One of the defects of the wood-plastic board is that the wood-plastic board is not aging-resistant, and the wood dust and the high polymer material account for more, and the fire resistance is poor. Patent 201910659537.1 provides an anti-aging impact-resistant modified wood-plastic composite material and a preparation method thereof, wherein the wood-plastic composite material comprises the following raw materials in parts by weight: 20-50 parts of polyolefin, 30-70 parts of enzymatic hydrolysis lignin modified plant fiber, 1-3.5 parts of polymerized rosin, 0.1-10 parts of inorganic filler, 0.1-4 parts of antioxidant and 0.1-3 parts of uvioresistant agent, wherein the enzymatic hydrolysis lignin modified plant fiber is obtained by reacting the enzymatic hydrolysis lignin and the plant fiber through acid anhydride. The modified wood-plastic composite material has high affinity between plant fibers and plastics, high dimensional stability and balanced rigidity and toughness, and a certain amount of ligninase is added in the process of preparing enzymatic hydrolysis lignin, so that the impact resistance of the wood-plastic composite material prepared by modifying the plant fibers by the enzymatic hydrolysis lignin can be improved; but its flame-retardant and ageing-resistant properties are not high.
Disclosure of Invention
The invention aims to provide a fireproof and ageing-resistant plate and a preparation method thereof.
The fireproof anti-aging plate is prepared from the following raw materials in parts by weight: 40-60 parts of propylene 1-butene copolymer, 40-60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 50-100 parts of wood powder, 3-10 parts of flame retardant, 10-20 parts of filler, 1-5 parts of antibacterial agent and 3-8 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 80-100 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 5-8 portions of aminoacetic acid, 1-3 portions of triethylene diamine, 1-3 portions of 3-aminopropyl triethoxysilane and 1-5 portions of deionized water are uniformly mixed, heated in a water bath kettle at 40-70 ℃ for reaction for 2-5h, and uniformly stirred, thus obtaining the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is composed of the following components in a mass ratio of 1:1, mixing the mixture.
The antibacterial agent is one or more of nano zinc oxide, ethyl vanillin, montmorillonite, copper oxide and zinc silicate.
The antioxidant is one or a combination of more of bis (isotridecyl) pentaerythritol diphosphite, trisnonylphenyl phosphite, antioxidant 1010, antioxidant 1076, antioxidant 1222 and antioxidant 618.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) According to the weight parts, 40-60 parts of propylene 1-butene copolymer and 40-60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion are mixed in a stirrer at 50-80 ℃ for 20-40min;
(2) Adding 50-100 parts of wood powder, 3-10 parts of flame retardant, 10-20 parts of filler, 1-5 parts of antibacterial agent and 3-8 parts of antioxidant, and mixing for 20-40min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 170-180 ℃ in the first zone, 180-190 ℃ in the second zone, 190-200 ℃ in the third zone, 190-200 ℃ in the head and 200-500 r/min in the double-screw extruder.
The invention has the beneficial effects that: the fireproof aging-resistant plate prepared by the invention adopts the propylene 1-butylene copolymer and the modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion as the main materials, so that the aging resistance of the material is enhanced; the piperazine pyrophosphate and the aluminum hydroxide are compounded for use, so that the fireproof performance of the material is improved; the combined use of the boron-lithium stone and the copper-tungsten improves the mechanical property of the material.
Detailed Description
The present invention is further illustrated by the following specific examples.
Example 1
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 50 parts of propylene 1-butene copolymer, 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyltriethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a 50 ℃ water bath kettle, reacted for 3 hours and uniformly stirred, and then the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is formed by mixing the boron-lithium stone and the copper-tungsten powder according to the mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 50 parts of propylene 1-butene copolymer and 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to the parts by weight, and placing the mixture in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) in a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Example 2
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 40 parts of propylene 1-butene copolymer, 40 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 50 parts of wood powder, 3 parts of flame retardant, 10 parts of filler, 1 part of ethyl vanillin and 3 parts of bis (isotridecyl) pentaerythritol diphosphite.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 80 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 1 portion of triethylene diamine, 1 portion of 3-aminopropyl triethoxysilane and 2 portions of deionized water are uniformly mixed, heated in a water bath kettle at 45 ℃, reacted for 5 hours and uniformly stirred, and the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is formed by mixing the boron-lithium stone and the copper-tungsten powder according to the mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) According to the weight portion, taking 40 portions of propylene 1-butylene copolymer and 40 portions of modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, and placing the mixture in a stirrer to mix for 40min at the temperature of 50 ℃;
(2) Adding 50 parts of wood powder, 3 parts of flame retardant, 10 parts of filler, 1 part of ethyl vanillin and 3 parts of bis (isotridecyl alcohol group) pentaerythritol diphosphite, and mixing for 40min;
(3) And (3) placing the mixture prepared in the step (2) in a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: the first zone is 170 ℃, the second zone is 180 ℃, the third zone is 190 ℃, the head is 190 ℃, and the rotating speed of the double-screw extruder is 200 r/min.
Example 3
The fireproof anti-aging plate is prepared from the following raw materials in parts by weight: 60 parts of propylene 1-butene copolymer, 60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 100 parts of wood powder, 10 parts of flame retardant, 20 parts of filler, 5 parts of copper oxide and 618 8 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 100 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 8 portions of aminoacetic acid, 3 portions of triethylene diamine, 3 portions of 3-aminopropyltriethoxysilane and 5 portions of deionized water are uniformly mixed, heated in a water bath kettle at 70 ℃, reacted for 2 hours and uniformly stirred, and then the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is composed of the following components in a mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) According to the weight portion, 60 portions of propylene 1-butylene copolymer and 60 portions of modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion are mixed in a stirrer for 20min at the temperature of 80 ℃;
(2) Adding 100 parts of wood powder, 10 parts of flame retardant, 20 parts of filler, 5 parts of copper oxide and 618 8 parts of antioxidant, and mixing for 20min;
(3) And (3) placing the mixture prepared in the step (2) in a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: the first zone is 180 ℃, the second zone is 190 ℃, the third zone is 200 ℃, the head is 200 ℃, and the rotating speed of the double-screw extruder is 500 revolutions per minute.
Comparative example 1
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 100 parts of propylene 1-butene copolymer, 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is formed by mixing the boron-lithium stone and the copper-tungsten powder according to the mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 100 parts of propylene 1-butene copolymer according to parts by weight, and placing the propylene 1-butene copolymer in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Comparative example 2
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 100 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 6 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyltriethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a 50 ℃ water bath kettle, reacted for 3 hours and uniformly stirred, and then the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The filler is formed by mixing the boron-lithium stone and the copper-tungsten powder according to the mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 100 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to parts by weight, and placing the emulsion in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of flame retardant, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the double-screw extruder.
Comparative example 3
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 50 parts of propylene 1-butene copolymer, 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of piperazine pyrophosphate, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyltriethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a 50 ℃ water bath kettle, reacted for 3 hours and uniformly stirred, and then the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The filler is composed of the following components in a mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 50 parts of propylene 1-butene copolymer and 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to the parts by weight, and placing the mixture in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of piperazine pyrophosphate, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Comparative example 4
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 50 parts of propylene 1-butene copolymer, 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of aluminum hydroxide, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyl triethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a water bath kettle at 50 ℃, reacted for 3 hours and uniformly stirred, and the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The filler is formed by mixing the boron-lithium stone and the copper-tungsten powder according to the mass ratio of 1:1, mixing the mixture.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 50 parts of propylene 1-butene copolymer and 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to the parts by weight, and placing the mixture in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of aluminum hydroxide, 16 parts of filler, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Comparative example 5
The fireproof anti-aging board is prepared from the following raw materials in parts by weight: 50 parts of propylene 1-butene copolymer, 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of flame retardant, 16 parts of boron lithium stone, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyltriethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a 50 ℃ water bath kettle, reacted for 3 hours and uniformly stirred, and then the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 50 parts of propylene-1-butene copolymer and 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to parts by weight, and mixing in a stirrer for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of flame retardant, 16 parts of boron lithium stone, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Comparative example 6
The fireproof anti-aging plate is prepared from the following raw materials in parts by weight: 50 parts of propylene 1-butene copolymer, 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 80 parts of wood powder, 8 parts of flame retardant, 16 parts of copper tungsten, 4 parts of nano zinc oxide and 1010 parts of antioxidant.
The preparation method of the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion comprises the following steps: according to the weight portion, 90 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 6 portions of aminoacetic acid, 2 portions of triethylene diamine, 2 portions of 3-aminopropyl triethoxysilane and 4 portions of deionized water are uniformly mixed, heated in a water bath kettle at 50 ℃, reacted for 3 hours and uniformly stirred, and the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion is obtained.
The flame retardant is piperazine pyrophosphate and aluminum hydroxide according to the mass ratio of 1: 1.
The preparation method of the fireproof and ageing-resistant plate comprises the following steps:
(1) Taking 50 parts of propylene 1-butene copolymer and 50 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion according to the parts by weight, and placing the mixture in a stirrer to mix for 30min at the temperature of 60 ℃;
(2) Adding 80 parts of wood powder, 8 parts of flame retardant, 16 parts of copper tungsten, 4 parts of nano zinc oxide and 1010 parts of antioxidant, and mixing for 30min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
The temperature in the screw cylinder of the double-screw extruder is as follows: 175 ℃ in the first zone, 185 ℃ in the second zone, 195 ℃ in the third zone, 195 ℃ in the head and 300 revolutions per minute in the twin-screw extruder.
Experimental example:
xenon accelerated ageing test (GB/T16422.2-1999): the energy distribution of the radiation spectrum of the xenon lamp is close to that of sunlight, and the working state is slightly influenced by the change of external conditions, so that the xenon lamp radiation spectrum energy distribution test method can be used for testing the ageing resistance of the wood-plastic plate. The testing steps are as follows: the standard sample strip is put into a xenon lamp aging oven for accelerated aging, the aging time is four periods (one period is one period), the experimental environment is air atmosphere, the cavity temperature is 55 ℃, the outer wall temperature is 38 ℃, the cavity humidity is 50 +/-5 percent, the distance between a lamp source and the sample is 10cm, the wavelength of the xenon lamp is 290-800 mm, the power of a xenon lamp tube is 1800W, and the power density is 1.10W/m 2 . The results are shown in Table 1:
the fire-retardant rating of the sheets prepared in examples 1-3 and comparative examples 3-4 was determined according to the national standard GB8624-2006 "grading of fire Performance of building materials and products", and the determination results are shown in Table 2:
the tensile strength of the products of examples 1-3 and comparative examples 5-6 was determined according to GB/T1040-2006, and the specifications of the samples were: 100mmX10mmX4mm, the drawing rate was set to 50mm/min. Each sample was subjected to 3 parallel runs at room temperature and averaged.
The results are shown in Table 3:
the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The fireproof anti-aging board is characterized by being prepared from the following raw materials in parts by weight: 40-60 parts of propylene 1-butene copolymer, 40-60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion, 50-100 parts of wood powder, 3-10 parts of flame retardant, 10-20 parts of filler, 1-5 parts of antibacterial agent and 3-8 parts of antioxidant.
2. The fireproof and aging-resistant panel as claimed in claim 1, wherein the modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion is prepared by the following method: according to the weight portion, 80-100 portions of chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion, 5-8 portions of aminoacetic acid, 1-3 portions of triethylene diamine, 1-3 portions of 3-aminopropyl triethoxysilane and 1-5 portions of deionized water are uniformly mixed, heated in a water bath kettle at 40-70 ℃ for reaction for 2-5h, and uniformly stirred, thus obtaining the modified chloroethylene-vinyl acetate-butyl acrylate copolymer emulsion.
3. The fireproof and ageing-resistant board as claimed in claim 1, wherein the flame retardant is piperazine pyrophosphate and aluminum hydroxide in a mass ratio of 1: 1.
4. The fireproof and ageing-resistant plate as claimed in claim 1, wherein the filler is a mixture of borolithite and copper tungsten in a mass ratio of 1:1, mixing the mixture.
5. The fireproof and aging-resistant sheet material according to claim 1, wherein the antibacterial agent is one or a combination of several of nano zinc oxide, ethyl vanillin, montmorillonite, copper oxide and zinc silicate.
6. The fireproof and aging-resistant board according to claim 1, wherein the antioxidant is one or a combination of more of bis (isotridecyl) pentaerythritol diphosphite, trisnonylphenyl phosphite, antioxidant 1010, antioxidant 1076, antioxidant 1222 and antioxidant 618.
7. The preparation method of the fireproof and ageing-resistant plate material as claimed in claim 1, is characterized by comprising the following steps:
(1) According to the weight parts, 40-60 parts of propylene 1-butene copolymer and 40-60 parts of modified vinyl chloride-vinyl acetate-butyl acrylate copolymer emulsion are mixed in a stirrer at 50-80 ℃ for 20-40min;
(2) Adding 50-100 parts of wood powder, 3-10 parts of flame retardant, 10-20 parts of filler, 1-5 parts of antibacterial agent and 3-8 parts of antioxidant, and mixing for 20-40min;
(3) And (3) placing the mixture prepared in the step (2) into a double-screw extruder, and performing melt extrusion, cooling, granulation and packaging to obtain the finished product.
8. The method for preparing the fireproof and ageing-resistant plate as claimed in claim 7, wherein the temperature in the barrel of the twin-screw extruder is as follows: 170-180 ℃ in the first zone, 180-190 ℃ in the second zone, 190-200 ℃ in the third zone, 190-200 ℃ in the head and 200-500 r/min in the double-screw extruder.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117143428A (en) * | 2023-10-26 | 2023-12-01 | 辽宁锐弘电工材料有限公司 | Halogen-free low-smoke flame-retardant cable material and preparation method thereof |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117143428A (en) * | 2023-10-26 | 2023-12-01 | 辽宁锐弘电工材料有限公司 | Halogen-free low-smoke flame-retardant cable material and preparation method thereof |
| CN117143428B (en) * | 2023-10-26 | 2024-02-09 | 辽宁锐弘电工材料有限公司 | Halogen-free low-smoke flame-retardant cable material and preparation method thereof |
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