CN105968862A - Novel environment-friendly flame-retardant wood-plastic material - Google Patents
Novel environment-friendly flame-retardant wood-plastic material Download PDFInfo
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Abstract
The invention discloses a novel environment-friendly flame-retardant wood-plastic material which is prepared from the following raw materials in parts by weight: 34-55 parts of pine tree wood powder, 25-34 parts of sorghum straw powder, 9-10 parts of pumpkin stem powder, 7-9 parts of woven bag plastic particles, 6-8 parts of filler, 4-6 parts of synthesis agent, 1-2 parts of lubricant, 1-2 parts of mould-proof antibacterial agent, 1-2 parts of moisture absorbent, 2-4 parts of flame retardant, 2-4 parts of smoke inhibitor and 6-10 parts of binder. The novel environment-friendly flame-retardant wood-plastic material disclosed by the invention can be widely applied to the decoration of hotels, restaurants and buildings, realizes a good flame-retardant effect, avoids combustion and flame formation and has stable and reliable performance.
Description
Technical field
The invention belongs to Wood-plastic material technology of preparing and field of Environment Protection, be specifically related to a kind of novel environment friendly flame-retardant wood-plastic material.
Background technology
Wood plastic composite (WPC), it is a kind of composite being mainly made up of material and plastics based on timber or cellulose, it is simply that a certain proportion of wood fiber (such as wood powder, powder of straw, cotton stalk powder, bamboo powder, shell powder etc.) is allowed to through pretreatment a kind of new material being combined into thermoplastic polymer resin or other materials；This new material not only environmental protection but also there is good mechanical stability, but the two big raw material wood fiber and the polyolefin that constitute wood plastic composite are all red label goods, also it is combustible material for this this composite, gives the needs that the good fire resistance of wood plastic composite is the development of this materials application；Individually the fire-retardant research to timber and the wood fiber has a lot, typically has phosphorus-nitrogenated flame retardant；Boron flame retardant；Halogen containing flame-retardant；Other inorganic salts etc.；But mainly based on phosphorus-nitrogenated flame retardant it is considered to be optimum wood fire retardant, phosphorus, two kinds of elements of nitrogen play synergism in wood fire retardant and improve flame retardant effect；But these fire retardants almost have a common feature, it is simply that reducing the thermal degradation temperature of the wood fiber significantly, this may result in the processing that cannot be carried out composite；Research for polyolefin flame-retardant is also a lot, its flame resistant method frequently with halogen containing flame-retardant and antimony oxide (Sb2O3) with the use of；Metal hydroxides (Al (OH) 3, Mg (OH) 2)
Fire retardant；Expansibility flame-proof agent；Ammonium polyphosphate flame retardant etc.；Halogen-free flameproof is the focus of polyolefin flame-retardant research, expanding fire retardant polyolefin/Wood Fiber Composites is carried out dual fire-retardant be the focus of the fire-retardant research of this composite；But the interpolation of fire retardant often deteriorates the mechanical property of composite, interface compatibility, heat stability and anti-flammability are studied in the research that therefore flame-proof composite material is studied flame-proof composite material simultaneously, to obtain preferable flame-proof composite material.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel environment friendly flame-retardant wood-plastic material, can deteriorate the problem such as mechanical property of novel environment friendly flame-retardant wood-plastic material solving the interpolation of fire retardant in prior art.The novel environment friendly flame-retardant wood-plastic material of the present invention can be widely applied to hotel, restaurant, building decoration and fitment, good flame retardation effect, it is impossible to burns and forms flame, stable and reliable for performance.
In order to solve above technical problem, the present invention by the following technical solutions:
A kind of novel environment friendly flame-retardant wood-plastic material, in units of weight portion, including following raw material: pinaster wood powder 34-55 part, broomcorn straw powder 25-34 part, Caulis Cucurbitae powder 9-10 part, woven bag plastic pellet 7-9 part, filler 6-8 part, synthetics 4-6 part, lubricant 1-2 part, antimildew and antibacterial agent 1-2 part, hygroscopic agent 1-2 part, fire retardant 2-4 part, smoke suppressant 2-4 part, binding agent 6-10 part；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.3-0.5 part, coupling agent 0.6-0.8 part, compatilizer 0.4-0.6 part, antioxidant 0.3-0.5 part, regulator 0.3-0.6 part, hardening agent 0.3-0.5 part, flocculation agent 0.6-0.8 part, plasticizer 0.6-0.9 part, stabilizer 0.3-0.4 part, terminator 0.3-0.4 part；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.08-0.12 part, methylcrotonic acid methyl ester 0.08-0.12 part, vinylacetate 0.06-0.1 part, cobalt naphthenate 0.04-0.08 part, zinc chloride 0.04-0.08 part；
Described stabilizer is organic tin stabilizer；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.4-0.8 part, chlordene cyclododecane 0.2-0.5 part, 2-chloroethyl-2-bromoethyl carboxylate 0.2-0.5 part, molybdenum oxide 0.4-0.7 part, Lauxite 0.2-0.5 part, POLYPROPYLENE GLYCOL 0.2-0.4 part, bentonite 0.4-0.6 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 0.6-1.2 part, zirconium hydroxide 0.6-1.2 part, Pulvis Talci 0.4-0.8 part, ferrum oxide 0.4-0.8 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 115-125 DEG C, react 40-90 under rotating speed is 100-300r/min
Min, prepares material A；
S12: be warming up to 145-155 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 150-220 min under rotating speed is 300-400r/min, prepare material B；
S13: be cooled to 115-120 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 60-100 min under rotating speed is 200-300r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 20-23Be '；
S22: it is 1.5%-1.8% triglyceride, percarbamide that para arrowroot slurry A in step S21 adds concentration, is then 26-34 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 0.6-1h under 50-80r/min, prepares slurry B；
S23: adding potassium hydroxide and epoxychloropropane in the slurry B of step S22, be then 32-36 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.2-0.5h under 60-100r/min, prepares slurry C；
S24: be delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 140-145 DEG C, prepare the material D of water content≤6%；
S25: wind after the material D pulverizing of step S24, excessively 60-100 mesh sieve is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.5-0.8h under pressure is 12-15MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 2-4h at temperature≤-30 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, dry to water content≤5% at temperature is 78-80 DEG C, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 6-9min under rotating speed is 300-500r/min, prepares particle；
S7: put in extruder by the particle that step S6 prepares, extrudes at temperature is 185-190 DEG C, through cooling molding, prepares novel environment friendly flame-retardant wood-plastic material.
Further, propellant described in step S11 is aerogel generating agent.
Further, coupling agent described in step S11 is furfural.
Further, compatilizer described in step S11 is acrylic type compatilizer.
Further, antioxidant described in step S11 is WINGSTAYL.
Further, regulator described in step S12 is JINHASS.
Further, flocculation agent described in step S12 is aluminium polychlorid.
Further, plasticizer described in step S13 is citrate.
Further, terminator described in step S13 is styrene.
Further, cooling down the mixed liquor of employing described in step S7 is to be that 95-100:4-6:2-3 makes by water, ethanol, the mass ratio of ethyl salicylate.
The method have the advantages that
(1) the novel environment friendly flame-retardant wood-plastic material of the present invention has high flame resistance and smoke suppressing effect, at high temperature will not discharge poisonous and harmful substance, it is to avoid the secondary injury to human body；
(2) heat-proof quality of the novel environment friendly flame-retardant wood-plastic material of the present invention is the best, it is to avoid the scald to human body, and has good insulating properties；
(3) the novel environment friendly flame-retardant wood-plastic material of the present invention is fine and close, and mechanical property is good, extremely durable.
(4) the novel environment friendly flame-retardant wood-plastic material of the present invention can be widely applied to hotel, restaurant, building decoration and fitment, good flame retardation effect, it is impossible to burns and forms flame, stable and reliable for performance.
Detailed description of the invention
For ease of being more fully understood that the present invention, being illustrated by following example, these embodiments belong to protection scope of the present invention, but are not intended to protection scope of the present invention.
In an embodiment, described novel environment friendly flame-retardant wood-plastic material, in units of weight portion, including following raw material: pinaster wood powder 34-55 part, broomcorn straw powder 25-34 part, Caulis Cucurbitae powder 9-10 part, woven bag plastic pellet 7-9 part, filler 6-8 part, synthetics 4-6 part, lubricant 1-2 part, antimildew and antibacterial agent 1-2 part, hygroscopic agent 1-2 part, fire retardant 2-4 part, smoke suppressant 2-4 part, binding agent 6-10 part；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.3-0.5 part, coupling agent 0.6-0.8 part, compatilizer 0.4-0.6 part, antioxidant 0.3-0.5 part, regulator 0.3-0.6 part, hardening agent 0.3-0.5 part, flocculation agent 0.6-0.8 part, plasticizer 0.6-0.9 part, stabilizer 0.3-0.4 part, terminator 0.3-0.4 part；
Described propellant is aerogel generating agent；
Described coupling agent is furfural；
Described compatilizer is acrylic type compatilizer；
Described antioxidant is WINGSTAYL；
Described regulator is JINHASS；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.08-0.12 part, methylcrotonic acid methyl ester 0.08-0.12 part, vinylacetate 0.06-0.1 part, cobalt naphthenate 0.04-0.08 part, zinc chloride 0.04-0.08 part；
Described flocculation agent is aluminium polychlorid；
Described plasticizer is citrate；
Described stabilizer is organic tin stabilizer；
Described terminator is styrene；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.4-0.8 part, chlordene cyclododecane 0.2-0.5 part, 2-chloroethyl-2-bromoethyl carboxylate 0.2-0.5 part, molybdenum oxide 0.4-0.7 part, Lauxite 0.2-0.5 part, POLYPROPYLENE GLYCOL 0.2-0.4 part, bentonite 0.4-0.6 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 0.6-1.2 part, zirconium hydroxide 0.6-1.2 part, Pulvis Talci 0.4-0.8 part, ferrum oxide 0.4-0.8 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 115-125 DEG C, react 40-90 under rotating speed is 100-300r/min
Min, prepares material A；
S12: be warming up to 145-155 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 150-220 min under rotating speed is 300-400r/min, prepare material B；
S13: be cooled to 115-120 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 60-100 min under rotating speed is 200-300r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 20-23Be '；
S22: it is 1.5%-1.8% triglyceride, percarbamide that para arrowroot slurry A in step S21 adds concentration, is then 26-34 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 0.6-1h under 50-80r/min, prepares slurry B；
S23: adding potassium hydroxide and epoxychloropropane in the slurry B of step S22, be then 32-36 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.2-0.5h under 60-100r/min, prepares slurry C；
S24: be delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 140-145 DEG C, prepare the material D of water content≤6%；
S25: wind after the material D pulverizing of step S24, excessively 60-100 mesh sieve is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.5-0.8h under pressure is 12-15MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 2-4h at temperature≤-30 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, dry to water content≤5% at temperature is 78-80 DEG C, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 6-9min under rotating speed is 300-500r/min, prepares particle；
S7: the particle that step S6 prepares is put in extruder, extrude at temperature is 185-190 DEG C, cooling down molding through mixed liquor, prepare novel environment friendly flame-retardant wood-plastic material, described mixed liquor is to be that 95-100:4-6:2-3 makes by water, ethanol, the mass ratio of ethyl salicylate.
Below by more specifically embodiment, the present invention will be described.
Embodiment 1
A kind of novel environment friendly flame-retardant wood-plastic material, in units of weight portion, including following raw material: pinaster wood powder 45 parts, 30 parts of broomcorn straw powder, 10 parts of Caulis Cucurbitae powder, woven bag plastic pellet 8 parts, filler 7 parts, synthetics 5 parts, lubricant 1.5 parts, antimildew and antibacterial agent 1.5 parts, hygroscopic agent 1.5 parts, fire retardant 3 parts, smoke suppressant 3 parts, binding agent 8 parts；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.4 part, coupling agent 0.7 part, compatilizer 0.5 part, antioxidant 0.4 part, regulator 0.5 part, hardening agent 0.4 part, flocculation agent 0.7 part, plasticizer 0.7 part, stabilizer 0.4 part, terminator 0.3 part；
Described propellant is aerogel generating agent；
Described coupling agent is furfural；
Described compatilizer is acrylic type compatilizer；
Described antioxidant is WINGSTAYL；
Described regulator is JINHASS；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.1 part, methylcrotonic acid methyl ester 0.1 part, vinylacetate 0.08 part, cobalt naphthenate 0.06 part, zinc chloride 0.06 part；
Described flocculation agent is aluminium polychlorid；
Described plasticizer is citrate；
Described stabilizer is organic tin stabilizer；
Described terminator is styrene；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.6 part, chlordene cyclododecane 0.4 part, 2-chloroethyl-2-bromoethyl carboxylate 0.4 part, molybdenum oxide 0.5 part, Lauxite 0.3 part, POLYPROPYLENE GLYCOL 0.3 part, bentonite 0.5 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 0.9 part, zirconium hydroxide 0.9 part, Pulvis Talci 0.6 part, ferrum oxide 0.6 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 120 DEG C, react 65 min under rotating speed is 200r/min, prepare material A；
S12: be warming up to 150 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 190 min under rotating speed is 400r/min, prepare material B；
S13: be cooled to 118 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 80 min under rotating speed is 300r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 22Be '；
It is 1.7% triglyceride, percarbamide that S22: para arrowroot slurry A in step S21 adds concentration, is then 30 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 0.8h under 70r/min, prepares slurry B；
S23: add potassium hydroxide and epoxychloropropane in the slurry B of step S22, is then 34 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.3h under 80r/min, prepares slurry C；
S24: being delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 143 DEG C, prepared water content is the material D of 6%；
S25: wind after the material D pulverizing of step S24, excessively 80 mesh sieves is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.6h under pressure is 14MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 4h at temperature is-30 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, drying at temperature is 80 DEG C to water content is 5%, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 8min under rotating speed is 400r/min, prepares particle；
S7: put in extruder by the particle that step S6 prepares, extrudes at temperature is 188 DEG C, cools down molding through mixed liquor, prepares novel environment friendly flame-retardant wood-plastic material, and described mixed liquor is to be that 96:5:3 makes by water, ethanol, the mass ratio of ethyl salicylate.
Embodiment 2
A kind of novel environment friendly flame-retardant wood-plastic material, in units of weight portion, including following raw material: pinaster wood powder 34 parts, 25 parts of broomcorn straw powder, 9 parts of Caulis Cucurbitae powder, woven bag plastic pellet 7 parts, filler 6 parts, synthetics 4 parts, lubricant 1 part, antimildew and antibacterial agent 1 part, hygroscopic agent 1 part, fire retardant 2 parts, smoke suppressant 2 parts, binding agent 6 parts；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.3 part, coupling agent 0.6 part, compatilizer 0.4 part, antioxidant 0.3 part, regulator 0.3 part, hardening agent 0.3 part, flocculation agent 0.6 part, plasticizer 0.6 part, stabilizer 0.3 part, terminator 0.3 part；
Described propellant is aerogel generating agent；
Described coupling agent is furfural；
Described compatilizer is acrylic type compatilizer；
Described antioxidant is WINGSTAYL；
Described regulator is JINHASS；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.08 part, methylcrotonic acid methyl ester 0.08 part, vinylacetate 0.06 part, cobalt naphthenate 0.04 part, zinc chloride 0.04 part；
Described flocculation agent is aluminium polychlorid；
Described plasticizer is citrate；
Described stabilizer is organic tin stabilizer；
Described terminator is styrene；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.4 part, chlordene cyclododecane 0.2 part, 2-chloroethyl-2-bromoethyl carboxylate 0.2 part, molybdenum oxide 0.4 part, Lauxite 0.2 part, POLYPROPYLENE GLYCOL 0.2 part, bentonite 0.4 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 0.6 part, zirconium hydroxide 0.6 part, Pulvis Talci 0.4 part, ferrum oxide 0.4 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 115 DEG C, react 90 min under rotating speed is 100r/min, prepare material A；
S12: be warming up to 145 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 220 min under rotating speed is 300r/min, prepare material B；
S13: be cooled to 115 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 100 min under rotating speed is 200r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 20Be '；
It is 1.5% triglyceride, percarbamide that S22: para arrowroot slurry A in step S21 adds concentration, is then 26 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 1h under 50r/min, prepares slurry B；
S23: add potassium hydroxide and epoxychloropropane in the slurry B of step S22, is then 32 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.5h under 60r/min, prepares slurry C；
S24: being delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 140 DEG C, prepared water content is the material D of 5%；
S25: wind after the material D pulverizing of step S24, excessively 60 mesh sieves is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.8h under pressure is 12MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 3h at temperature is-40 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, drying at temperature is 78 DEG C to water content is 4%, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 9min under rotating speed is 300r/min, prepares particle；
S7: put in extruder by the particle that step S6 prepares, extrudes at temperature is 185 DEG C, cools down molding through mixed liquor, prepares novel environment friendly flame-retardant wood-plastic material, and described mixed liquor is to be that 95:4:2 makes by water, ethanol, the mass ratio of ethyl salicylate.
Embodiment 3
A kind of novel environment friendly flame-retardant wood-plastic material, in units of weight portion, including following raw material: pinaster wood powder 55 parts, 34 parts of broomcorn straw powder, 10 parts of Caulis Cucurbitae powder, woven bag plastic pellet 9 parts, filler 8 parts, synthetics 6 parts, lubricant 2 parts, antimildew and antibacterial agent 2 parts, hygroscopic agent 2 parts, fire retardant 4 parts, smoke suppressant 4 parts, binding agent 10 parts；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.5 part, coupling agent 0.8 part, compatilizer 0.6 part, antioxidant 0.5 part, regulator 0.6 part, hardening agent 0.5 part, flocculation agent 0.8 part, plasticizer 0.9 part, stabilizer 0.4 part, terminator 0.4 part；
Described propellant is aerogel generating agent；
Described coupling agent is furfural；
Described compatilizer is acrylic type compatilizer；
Described antioxidant is WINGSTAYL；
Described regulator is JINHASS；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.12 part, methylcrotonic acid methyl ester 0.12 part, vinylacetate 0.1 part, cobalt naphthenate 0.08 part, zinc chloride 0.08 part；
Described flocculation agent is aluminium polychlorid；
Described plasticizer is citrate；
Described stabilizer is organic tin stabilizer；
Described terminator is styrene；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.8 part, chlordene cyclododecane 0.5 part, 2-chloroethyl-2-bromoethyl carboxylate 0.5 part, molybdenum oxide 0.7 part, Lauxite 0.5 part, POLYPROPYLENE GLYCOL 0.4 part, bentonite 0.6 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 1.2 parts, zirconium hydroxide 1.2 parts, Pulvis Talci 0.8 part, ferrum oxide 0.8 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 125 DEG C, react 40 min under rotating speed is 300r/min, prepare material A；
S12: be warming up to 155 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 150 min under rotating speed is 400r/min, prepare material B；
S13: be cooled to 120 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 60 min under rotating speed is 300r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 23Be '；
It is 1.8% triglyceride, percarbamide that S22: para arrowroot slurry A in step S21 adds concentration, is then 34 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 0.6h under 80r/min, prepares slurry B；
S23: add potassium hydroxide and epoxychloropropane in the slurry B of step S22, is then 36 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.2h under 100r/min, prepares slurry C；
S24: being delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 145 DEG C, prepared water content is the material D of 4%；
S25: wind after the material D pulverizing of step S24, excessively 100 mesh sieves is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.5h under pressure is 15MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 2h at temperature is-50 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, drying at temperature is 80 DEG C to water content is 3%, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 6min under rotating speed is 500r/min, prepares particle；
S7: the particle that step S6 prepares is put in extruder, extrude at temperature is 190 DEG C, cooling down molding through mixed liquor, prepare novel environment friendly flame-retardant wood-plastic material, described mixed liquor is to be that 100:6:3 makes by water, ethanol, the mass ratio of ethyl salicylate.
The composite can be widely applied to hotel, restaurant, building decoration and fitment, good flame retardation effect, it is impossible to burn and form flame, stable and reliable for performance, its performance indications are tested by following fire resistance test experiments and Mechanics Performance Testing and are given:
(1) fire resistance test experiments
Sample prepared by above-described embodiment 1-3 is tailored into the platelet of standard, then analytical tool factory of oxygen index measurer HC-2(Jiangning county is used) and analytical tool factory of horizontal vertical burning analyzer CZF-3(Jiangning county) respectively novel environment friendly flame-retardant wood-plastic material is carried out oxygen index (OI) and combustibility mensuration, oxygen index (OI) 34%-36%, horizontal vertical combustibility is without catching fire, cigarette is light, and flame retardant effect is good.
(2) Mechanics Performance Testing experiment
Sample prepared by above-described embodiment 1-3 tailors growth 115mm, wide 10mm, the standard platelet of thick 2.5mm, then tester for elongation 5585(American I NSTRON is used) and impact specimen machine ZBC1251-B(Mei Tesi industrial system company) respectively novel environment friendly flame-retardant wood-plastic material is stretched and impact test, tensile figure (maximum pull, unit: N) 318.5-343.7, Impact Index (toughness, non-notch), unit: ki/m2,4.509-5.656, note: draw speed is 2mm/min.
In sum, the novel environment friendly flame-retardant wood-plastic material good flame retardation effect of the present invention, strong shock resistance, toughness is strong, not only obtain excellent fire resistance but also maintain the novel environment friendly preferable mechanical property of flame-retardant wood-plastic material, it is the excellent novel environment friendly flame-retardant wood-plastic material of a kind of performance, can be applicable, have significant economic and social benefit.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanations; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (10)
1. a novel environment friendly flame-retardant wood-plastic material, it is characterized in that, in units of weight portion, including following raw material: pinaster wood powder 34-55 part, broomcorn straw powder 25-34 part, Caulis Cucurbitae powder 9-10 part, woven bag plastic pellet 7-9 part, filler 6-8 part, synthetics 4-6 part, lubricant 1-2 part, antimildew and antibacterial agent 1-2 part, hygroscopic agent 1-2 part, fire retardant 2-4 part, smoke suppressant 2-4 part, binding agent 6-10 part；
Described filler is Kaolin；
Described synthetics is in units of weight portion, including following raw material: propellant 0.3-0.5 part, coupling agent 0.6-0.8 part, compatilizer 0.4-0.6 part, antioxidant 0.3-0.5 part, regulator 0.3-0.6 part, hardening agent 0.3-0.5 part, flocculation agent 0.6-0.8 part, plasticizer 0.6-0.9 part, stabilizer 0.3-0.4 part, terminator 0.3-0.4 part；
Described hardening agent is in units of weight portion, including following raw material: styrene 0.08-0.12 part, methylcrotonic acid methyl ester 0.08-0.12 part, vinylacetate 0.06-0.1 part, cobalt naphthenate 0.04-0.08 part, zinc chloride 0.04-0.08 part；
Described stabilizer is organic tin stabilizer；
Described lubricant is maleic anhydride grafted polyethylene wax；
Described antimildew and antibacterial agent is antimildew and antibacterial agent AEM5700-B；
Described hygroscopic agent is silica gel；
Described fire retardant is in units of weight portion, including following raw material: antimony oxide 0.4-0.8 part, chlordene cyclododecane 0.2-0.5 part, 2-chloroethyl-2-bromoethyl carboxylate 0.2-0.5 part, molybdenum oxide 0.4-0.7 part, Lauxite 0.2-0.5 part, POLYPROPYLENE GLYCOL 0.2-0.4 part, bentonite 0.4-0.6 part；
Described smoke suppressant is in units of weight portion, including following raw material: dibutyl tin laurate 0.6-1.2 part, zirconium hydroxide 0.6-1.2 part, Pulvis Talci 0.4-0.8 part, ferrum oxide 0.4-0.8 part；
Described binding agent, with tapioca as raw material, carries out cross-linked graft reaction by elder generation with triglyceride, percarbamide, then carries out cross-linking reaction with potassium hydroxide and epoxychloropropane, then carry out pre-gelatinized reaction, be finally dried, pulverize, sieve and obtain；
The preparation method of described novel environment friendly flame-retardant wood-plastic material, comprises the following steps:
S1: prepare synthetics, the preparation method of described synthetics, comprise the following steps:
S11: propellant, coupling agent, compatilizer, antioxidant mixing are warming up to 115-125 DEG C, react 40-90 min under rotating speed is 100-300r/min, prepare material A；
S12: be warming up to 145-155 DEG C after adding regulator, hardening agent, flocculation agent mixing in the material A that step S11 prepares, react 150-220 min under rotating speed is 300-400r/min, prepare material B；
S13: be cooled to 115-120 DEG C after adding plasticizer, stabilizer, terminator mixing in the material B that step S12 prepares, react 60-100 min under rotating speed is 200-300r/min, prepare synthetics；
S2: prepare binding agent, the preparation method of described binding agent, comprise the following steps:
S21: compound concentration is para arrowroot slurry A of 20-23Be '；
S22: it is 1.5%-1.8% triglyceride, percarbamide that para arrowroot slurry A in step S21 adds concentration, is then 26-34 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 0.6-1h under 50-80r/min, prepares slurry B；
S23: adding potassium hydroxide and epoxychloropropane in the slurry B of step S22, be then 32-36 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.2-0.5h under 60-100r/min, prepares slurry C；
S24: be delivered to the slurry C of step S23 in cylindrical drier carry out pre-gelatinized and be dried at temperature is 140-145 DEG C, prepare the material D of water content≤6%；
S25: wind after the material D pulverizing of step S24, excessively 60-100 mesh sieve is delivered to whirlwind separator and is collected, prepare binding agent；
Binding agent that S3: the synthetics that step S1 prepared, step S2 prepare, pinaster wood powder, broomcorn straw powder, Caulis Cucurbitae powder, woven bag plastic pellet, filler, lubricant, antimildew and antibacterial agent, hygroscopic agent, fire retardant, smoke suppressant are put in pressure cooker, HIGH PRESSURE TREATMENT 0.5-0.8h under pressure is 12-15MPa, prepares raw material A；
S4: the raw material A that step S3 prepares is put into freezing 2-4h at temperature≤-30 DEG C, prepares raw material B；
S5: put in dehydrator by the raw material B that step S4 prepares, dry to water content≤5% at temperature is 78-80 DEG C, prepares raw material C；
S6: raw material C step S5 prepared puts in blender, stirs 6-9min under rotating speed is 300-500r/min, prepares particle；
S7: put in extruder by the particle that step S6 prepares, extrudes at temperature is 185-190 DEG C, through cooling molding, prepares novel environment friendly flame-retardant wood-plastic material.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that propellant described in step S11 is aerogel generating agent.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that coupling agent described in step S11 is furfural.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that compatilizer described in step S11 is acrylic type compatilizer.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that antioxidant described in step S11 is WINGSTAYL.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that regulator described in step S12 is JINHASS.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that flocculation agent described in step S12 is aluminium polychlorid.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that plasticizer described in step S13 is citrate.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that terminator described in step S13 is styrene.
Novel environment friendly flame-retardant wood-plastic material the most according to claim 1, it is characterised in that cooling down the mixed liquor of employing described in step S7 is to be that 95-100:4-6:2-3 makes by water, ethanol, the mass ratio of ethyl salicylate.
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