CN102321374B - Fire-retardant polyolefin based wood plastic composite material and preparation method thereof - Google Patents
Fire-retardant polyolefin based wood plastic composite material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 72
- 239000003063 flame retardant Substances 0.000 title claims abstract description 55
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 49
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 49
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 229920003023 plastic Polymers 0.000 claims abstract description 25
- 239000004033 plastic Substances 0.000 claims abstract description 25
- 239000000314 lubricant Substances 0.000 claims abstract description 23
- 239000012764 mineral filler Substances 0.000 claims abstract description 22
- 238000005469 granulation Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 8
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- 239000000203 mixture Substances 0.000 claims description 77
- 239000004743 Polypropylene Substances 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 36
- 239000003112 inhibitor Substances 0.000 claims description 31
- 230000003647 oxidation Effects 0.000 claims description 31
- 238000007254 oxidation reaction Methods 0.000 claims description 31
- 239000012978 lignocellulosic material Substances 0.000 claims description 27
- 239000012796 inorganic flame retardant Substances 0.000 claims description 24
- 239000002023 wood Substances 0.000 claims description 24
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 23
- 238000005303 weighing Methods 0.000 claims description 23
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 13
- 239000012188 paraffin wax Substances 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 12
- 239000001993 wax Substances 0.000 claims description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000000748 compression moulding Methods 0.000 claims description 7
- 238000007731 hot pressing Methods 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 241000609240 Ambelania acida Species 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 5
- 239000010905 bagasse Substances 0.000 claims description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 5
- 239000008116 calcium stearate Substances 0.000 claims description 5
- 235000013539 calcium stearate Nutrition 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000002105 nanoparticle Substances 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 5
- 229910017059 organic montmorillonite Inorganic materials 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 5
- 240000007594 Oryza sativa Species 0.000 claims 1
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 7
- 229920002522 Wood fibre Polymers 0.000 abstract 2
- 239000003963 antioxidant agent Substances 0.000 abstract 2
- 230000003078 antioxidant effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000002025 wood fiber Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 5
- 241000209094 Oryza Species 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a fire-retardant polyolefin based wood plastic composite material and a preparation method thereof, and relates to a wood plastic composite material and a preparation method thereof, and the composite material and method provided by the invention can be used for solving problems that the existing fire-retardant wood plastic composite material has high heat release efficiency in burning and high smoke production, and can generate CO harmful gas easily. The flame-retardant polyolefin based wood plastic composite material is prepared from wood fiber materials, plastics, acoupling agent, a lubricant, an antioxidant, a nano inorganic fire retardant and a mineral filler. The method comprises the following steps: putting the wood fiber materials, the coupling agent and the lubricant into a high-speed mixing machine for hot mixing; then putting into a cold mixing machine for cold mixing, sending the plastics, the antioxidant, the nano inorganic fire retardant and the mineral filler into the cold mixing machine and then mixing; and then carrying out fusing and extruding for granulation by adopting extruding, injection, hot compressing or mold compression for molding, thus the fire-retardant polyolefin based wood plastic composite material is obtained. The wood plastic composite material provided by the invention has low heat release rate in burning and less smoke production, and is healthy and environmentally-friendly, and can be widely applied to the fields of indoor construction, decoration and furnishing materials and the like.
Description
Technical field
The present invention relates to a kind of wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite is that lignocellulosic material such as timber, rice husk, bamboo bits, crudefiber crop, stalk, nut duricrust etc. are joined in the thermoplastics through the compound one type of advanced composite material that obtains of fusion as reinforce or filler with forms such as powdery, fibrous or wood shavings.Compare with traditional wood materials; It has be not afraid of damage by worms, water-fast, corrosion-resistant, not easy to crack and be difficult for advantages such as hygroscopic deformation; Can be widely used in door and window, floor, ceiling and various building and finishing field, can be used as the inner lining material of boats and ships and automobile simultaneously again.In addition, polyolefin-based wood plastic composite can also be reused and recycling, environmental friendliness, and maintenance cost is low.
But the wood plastic composite as mainly being made up of the plastics of combustible lignocellulosic material and high combustion calorific value has than wildfire danger, when especially being applied in public place or field such as indoor, must carry out fire-retardant finish.At present prepared flame-retardant wood-plastic composite exists that the fire retardant consumption is big, HRR is high, smoke-producing amount is big, the fire-retardant finish cost is higher, is prone to the shortcoming of generation CO obnoxious flavour.
Summary of the invention
The present invention is the problem that will solve HRR height when having the flame-retardant wood-plastic composite material burning now, big, the easy generation CO of smoke-producing amount obnoxious flavour, and a kind of fire-retardant polyolefine base wood-plastic composite material and preparation method thereof is provided.
Fire-retardant polyolefine base wood-plastic composite material of the present invention is processed by 30～70 parts lignocellulosic material, 2～8 parts coupling agent, 0.5～4 part lubricant, 20～50 parts plastics, 0.01～1 part oxidation inhibitor, 8～30 parts nanometer inorganic flame retardant and 0～5 part mineral filler by ratio of weight and the number of copies; Wherein lignocellulosic material is one or more the mixture in wood powder, powdered rice hulls, bamboo bits, straw powder, shell powder, the bagasse; Coupling agent is one or more the mixture in silane coupling agent, aluminate coupling agent, titante coupling agent, polymethylene polyphenyl isocyanate, maleic anhydride, modified by maleic acid anhydride graft Vilaterm, modified by maleic acid anhydride graft Vestolen PP 7052, the isocyanic ester; Lubricant is one or more the mixture in polyethylene wax, Poly Propylene Wax, paraffin, Triple Pressed Stearic Acid, Zinic stearas, the calcium stearate; Plastics are one or more the mixture in Vilaterm, Vestolen PP 7052, Vilaterm reclaimed materials, the Vestolen PP 7052 reclaimed materials; Oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 168, antioxidant 1076, the oxidation inhibitor 1035; Nanometer inorganic flame retardant is one or more the mixture in nano-aluminum hydroxide, nano-sized magnesium hydroxide, nano organic montmorillonite, the nano-zinc borate; Mineral filler is one or more the mixture in Paris white, Calucium Silicate powder, talcum powder, flyash, the carbon black.
The preparation method of above-mentioned fire-retardant polyolefine base wood-plastic composite material carries out: one, take by weighing 30～70 parts lignocellulosic material, 2～8 parts coupling agent, 0.5～4 part lubricant, 20～50 parts plastics, 0.01～1 part oxidation inhibitor, 8～30 parts nanometer inorganic flame retardant and 0～5 part mineral filler by ratio of weight and the number of copies according to the following steps; Two, the lignocellulosic material that takes by weighing, coupling agent and lubricant being put into high-speed mixer, is 40～120 ℃ of hot down mixing 3～10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 40～60 ℃, the plastics that take by weighing, oxidation inhibitor, nanometer inorganic flame retardant and mineral filler is put in the cold mixer remix 5～20 minutes, the material that must mix; Four, it is that 140～190 ℃, die temperature are that 160～190 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 30～100r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein lignocellulosic material is one or more the mixture in wood powder, powdered rice hulls, bamboo bits, straw powder, shell powder, the bagasse in the step 1; Coupling agent is one or more the mixture in silane coupling agent, aluminate coupling agent, titante coupling agent, polymethylene polyphenyl isocyanate, maleic anhydride, modified by maleic acid anhydride graft Vilaterm, modified by maleic acid anhydride graft Vestolen PP 7052, the isocyanic ester; Lubricant is one or more the mixture in polyethylene wax, Poly Propylene Wax, paraffin, Triple Pressed Stearic Acid, Zinic stearas, the calcium stearate; Plastics are one or more the mixture in Vilaterm, Vestolen PP 7052, Vilaterm reclaimed materials, the Vestolen PP 7052 reclaimed materials; Oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 168, antioxidant 1076, the oxidation inhibitor 1035; Nanometer inorganic flame retardant is one or more the mixture in nano-aluminum hydroxide, nano-sized magnesium hydroxide, nano organic montmorillonite, the nano-zinc borate; Mineral filler is one or more the mixture in Paris white, Calucium Silicate powder, talcum powder, flyash, the carbon black.
The present invention adopts the fire-retardant polyolefine base wood-plastic composite material of nanometer inorganic flame retardant preparation, has excellent smoke suppressing, excellent flame-retardant performance and mechanical property.The fire-retardant polyolefine base wood-plastic composite material has the premium properties of timber and thermoplastics concurrently, can saw, can dig, can follow closely good processability; Be easy to install; Corrosion-resistant, moisture resistance, anti-skidding, dimensional stability is good, applied range, simultaneously woodiness touch is strong, the outward appearance vision is better, processability good.
The raw material that the present invention adopted is green material, and resulting product can not cause damage to environment and human body, is a kind of environment friendly flame-retardant wood plastic composite.
The addition of the nanometer inorganic flame retardant that the present invention adopted is 15% o'clock of raw material total mass, compares with the wood plastic composite that does not add fire retardant, and the HRR during burning has descended 46%, and cigarette discharges total amount and reduced by 38%; Charring rate has improved nearly one times; Burning time has prolonged one times nearly.
The nanometer inorganic flame retardant content that the present invention adopted is no more than 25%, is lower than traditional inorganic filled fire retardant, and is less to the mechanical property influence of wood plastic product, flexural strength 35～50Mpa, modulus in flexure 3.5～5Gpa.
Flame-retardant wood-plastic composite of the present invention can be used for indoor or other occasions that flame retardant properties is had higher requirements; Like indoor floor, wallboard, top ceiling, office furniture and stair etc., fields such as available in addition automotive trim, electric appliance casing and marine ship interior material.
Embodiment
Technical scheme of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: this embodiment fire-retardant polyolefine base wood-plastic composite material is processed by 30～70 parts lignocellulosic material, 2～8 parts coupling agent, 0.5～4 part lubricant, 20～50 parts plastics, 0.01～1 part oxidation inhibitor, 8～30 parts nanometer inorganic flame retardant and 0～5 part mineral filler by ratio of weight and the number of copies; Wherein lignocellulosic material is one or more the mixture in wood powder, powdered rice hulls, bamboo bits, straw powder, shell powder, the bagasse; Coupling agent is one or more the mixture in silane coupling agent, aluminate coupling agent, titante coupling agent, polymethylene polyphenyl isocyanate, maleic anhydride, modified by maleic acid anhydride graft Vilaterm, modified by maleic acid anhydride graft Vestolen PP 7052, the isocyanic ester; Lubricant is one or more the mixture in polyethylene wax, Poly Propylene Wax, paraffin, Triple Pressed Stearic Acid, Zinic stearas, the calcium stearate; Plastics are one or more the mixture in Vilaterm, Vestolen PP 7052, Vilaterm reclaimed materials, the Vestolen PP 7052 reclaimed materials; Oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 168, antioxidant 1076, the oxidation inhibitor 1035; Nanometer inorganic flame retardant is one or more the mixture in nano-aluminum hydroxide, nano-sized magnesium hydroxide, nano organic montmorillonite, the nano-zinc borate; Mineral filler is one or more the mixture in Paris white, Calucium Silicate powder, talcum powder, flyash, the carbon black.
When lignocellulosic material is mixture in this embodiment, presses arbitrary proportion between the each component and mix; When coupling agent is mixture, presses arbitrary proportion between the each component and mix; When lubricant is mixture, presses arbitrary proportion between the each component and mix; When plastics are mixture, press arbitrary proportion between the each component and mix; When oxidation inhibitor is mixture, presses arbitrary proportion between the each component and mix; When nanometer inorganic flame retardant is mixture, presses arbitrary proportion between the each component and mix; When mineral filler is mixture, presses arbitrary proportion between the each component and mix.
Embodiment two: what this embodiment and embodiment one were different is: the fire-retardant polyolefine base wood-plastic composite material is processed by 30 parts lignocellulosic material, 2 parts coupling agent, 0.5 part lubricant, 20 parts plastics, 0.01 part oxidation inhibitor and 8 parts nanometer inorganic flame retardant by ratio of weight and the number of copies.Other is identical with embodiment one.
Embodiment three: what this embodiment and embodiment one were different is: the fire-retardant polyolefine base wood-plastic composite material is processed by 70 parts lignocellulosic material, 8 parts coupling agent, 4 parts lubricant, 50 parts plastics, 1 part oxidation inhibitor, 30 parts nanometer inorganic flame retardant and 5 parts mineral filler by ratio of weight and the number of copies.Other is identical with embodiment one.
Embodiment four: what this embodiment and embodiment one were different is: the fire-retardant polyolefine base wood-plastic composite material is processed by 40～60 parts lignocellulosic material, 3～7 parts coupling agent, 1～3 part lubricant, 30～40 parts plastics, 0.03～0.07 part oxidation inhibitor, 15～25 parts nanometer inorganic flame retardant and 1～4 part mineral filler by ratio of weight and the number of copies.Other is identical with embodiment one.
Embodiment five: what this embodiment and embodiment one were different is: the fire-retardant polyolefine base wood-plastic composite material is processed by 50 parts lignocellulosic material, 5 parts coupling agent, 2 parts lubricant, 35 parts plastics, 0.05 part oxidation inhibitor, 20 parts nanometer inorganic flame retardant and 3 parts mineral filler by ratio of weight and the number of copies.Other is identical with embodiment one.
Embodiment six: what this embodiment was different with one of embodiment one to five is: the particle order number of lignocellulosic material is 10～300 orders.Other is identical with one of embodiment one to five.
Embodiment seven: what this embodiment was different with one of embodiment one to six is: the water ratio of lignocellulosic material is less than 3% (weight).Other is identical with one of embodiment one to six.
Embodiment eight: the preparation method of this embodiment fire-retardant polyolefine base wood-plastic composite material, carry out: one, take by weighing 30～70 parts lignocellulosic material, 2～8 parts coupling agent, 0.5～4 part lubricant, 20～50 parts plastics, 0.01～1 part oxidation inhibitor, 8～30 parts nanometer inorganic flame retardant and 0～5 part mineral filler by ratio of weight and the number of copies according to the following steps; Two, the lignocellulosic material that takes by weighing, coupling agent and lubricant being put into high-speed mixer, is 40～120 ℃ of hot down mixing 3～10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 40～60 ℃, the plastics that take by weighing, oxidation inhibitor, nanometer inorganic flame retardant and mineral filler is put in the cold mixer remix 5～20 minutes, the material that must mix; Four, it is that 140～190 ℃, die temperature are that 160～190 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 30～100r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein lignocellulosic material is one or more the mixture in wood powder, powdered rice hulls, bamboo bits, straw powder, shell powder, the bagasse in the step 1; Coupling agent is one or more the mixture in silane coupling agent, aluminate coupling agent, titante coupling agent, polymethylene polyphenyl isocyanate, maleic anhydride, modified by maleic acid anhydride graft Vilaterm, modified by maleic acid anhydride graft Vestolen PP 7052, the isocyanic ester; Lubricant is one or more the mixture in polyethylene wax, Poly Propylene Wax, paraffin, Triple Pressed Stearic Acid, Zinic stearas, the calcium stearate; Plastics are one or more the mixture in Vilaterm, Vestolen PP 7052, Vilaterm reclaimed materials, the Vestolen PP 7052 reclaimed materials; Oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 168, antioxidant 1076, the oxidation inhibitor 1035; Nanometer inorganic flame retardant is one or more the mixture in nano-aluminum hydroxide, nano-sized magnesium hydroxide, nano organic montmorillonite, the nano-zinc borate; Mineral filler is one or more the mixture in Paris white, Calucium Silicate powder, talcum powder, flyash, the carbon black.
When lignocellulosic material is mixture in this embodiment, presses arbitrary proportion between the each component and mix; When coupling agent is mixture, presses arbitrary proportion between the each component and mix; When lubricant is mixture, presses arbitrary proportion between the each component and mix; When plastics are mixture, press arbitrary proportion between the each component and mix; When oxidation inhibitor is mixture, presses arbitrary proportion between the each component and mix; When nanometer inorganic flame retardant is mixture, presses arbitrary proportion between the each component and mix; When mineral filler is mixture, presses arbitrary proportion between the each component and mix.
Embodiment nine: what this embodiment and embodiment eight were different is: take by weighing 40 parts lignocellulosic material, 6 parts coupling agent, 1 part lubricant, 30 parts plastics, 1 part oxidation inhibitor, 20 parts nanometer inorganic flame retardant and 2 parts mineral filler in the step 1 by ratio of weight and the number of copies.Other is identical with embodiment eight.
Embodiment ten: what this embodiment and embodiment eight were different is: take by weighing 50 parts lignocellulosic material, 5 parts coupling agent, 2 parts lubricant, 40 parts plastics, 0.05 part oxidation inhibitor, 25 parts nanometer inorganic flame retardant and 3 parts mineral filler in the step 1 by ratio of weight and the number of copies.Other is identical with embodiment eight.
Embodiment 11: what this embodiment was different with one of embodiment eight to ten is: the particle order number of lignocellulosic material is 10～300 orders in the step 1.Other is identical with one of embodiment eight to ten.
Embodiment 12: what this embodiment was different with one of embodiment eight to 11 is: the water ratio of lignocellulosic material is less than 3% (weight) in the step 1.Other is identical with one of embodiment eight to 11.
Embodiment 13: what this embodiment was different with one of embodiment eight to 12 is: heat is mixed down to be 40 ℃ in temperature in the step 2.Other is identical with one of embodiment eight to 12.
Embodiment 14: what this embodiment was different with one of embodiment eight to 12 is: heat is mixed down to be 120 ℃ in temperature in the step 2.Other is identical with one of embodiment eight to 12.
Embodiment 15: what this embodiment was different with one of embodiment eight to 12 is: heat is mixed down to be 60～100 ℃ in temperature in the step 2.Other is identical with one of embodiment eight to 12.
Embodiment 16: what this embodiment was different with one of embodiment eight to 12 is: heat is mixed down to be 80 ℃ in temperature in the step 2.Other is identical with one of embodiment eight to 12.
Embodiment 17: what this embodiment was different with one of embodiment eight to 16 is: heat was mixed 3 minutes in the step 2.Other is identical with one of embodiment to ten six.
Embodiment 18: what this embodiment was different with one of embodiment eight to 16 is: heat was mixed 10 minutes in the step 2.Other is identical with one of embodiment eight to 16.
Embodiment 19: what this embodiment was different with one of embodiment eight to 16 is: heat was mixed 7 minutes in the step 2.Other is identical with one of embodiment eight to 16.
Embodiment 20: what this embodiment was different with one of embodiment eight to 19 is: temperature is reduced to 40 ℃ in the step 3.Other is identical with one of embodiment eight to 19.
Embodiment 21: what this embodiment was different with one of embodiment eight to 19 is: temperature is reduced to 60 ℃ in the step 3.Other is identical with one of embodiment eight to 19.
Embodiment 22: what this embodiment was different with one of embodiment eight to 19 is: temperature is reduced to 50 ℃ in the step 3.Other is identical with one of embodiment eight to 19.
Embodiment 23: what this embodiment was different with one of embodiment eight to 22 is: mixed 5 minutes in the step 3.Other is identical with one of embodiment eight to 22.
Embodiment 24: what this embodiment was different with one of embodiment eight to 22 is: mixed 20 minutes in the step 3.Other is identical with one of embodiment eight to 22.
Embodiment 25: what this embodiment was different with one of embodiment eight to 22 is: mixed in the step 3 10～15 minutes.Other is identical with one of embodiment eight to 22.
Embodiment 26: what this embodiment was different with one of embodiment eight to 22 is: mixed 12 minutes in the step 3.Other is identical with one of embodiment eight to 22.
Embodiment 27: what this embodiment was different with one of embodiment eight to 26 is: barrel zone temperature is 140 ℃ in the step 4.Other is identical with one of embodiment eight to 26.
Embodiment 28: what this embodiment was different with one of embodiment eight to 26 is: barrel zone temperature is 190 ℃ in the step 4.Other is identical with one of embodiment eight to 26.
Embodiment 29: what this embodiment was different with one of embodiment eight to 26 is: barrel zone temperature is 165～185 ℃ in the step 4.Other is identical with one of embodiment eight to 26.
Embodiment 30: what this embodiment was different with one of embodiment eight to 26 is: barrel zone temperature is 170 ℃ in the step 4.Other is identical with one of embodiment eight to 26.
The embodiment hentriaconta-: what this embodiment was different with one of embodiment eight to 30 is: die temperature is 160 ℃ in the step 4.Other is identical with one of embodiment eight to 30.
Embodiment 32: what this embodiment was different with one of embodiment eight to 30 is: die temperature is 190 ℃ in the step 4.Other is identical with one of embodiment eight to 30.
Embodiment 33: what this embodiment was different with one of embodiment eight to 30 is: die temperature is 170～180 ℃ in the step 4.Other is identical with one of embodiment eight to 30.
Embodiment 34: what this embodiment was different with one of embodiment eight to 30 is: die temperature is 180 ℃ in the step 4.Other is identical with one of embodiment eight to 30.
Embodiment 35: what this embodiment was different with one of embodiment eight to 34 is: screw speed is 30r/min in the step 4.Other is identical with one of embodiment eight to 34.
Embodiment 36: what this embodiment was different with one of embodiment eight to 34 is: screw speed is 100r/min in the step 4.Other is identical with one of embodiment eight to 34.
Embodiment 37: what this embodiment was different with one of embodiment eight to 34 is: screw speed is 50～100r/min in the step 4.Other is identical with one of embodiment eight to 34.
Embodiment 38: what this embodiment was different with one of embodiment eight to 34 is: screw speed is 65r/min in the step 4.Other is identical with one of embodiment eight to 34.
Embodiment 39: the preparation method of this embodiment fire-retardant polyolefine base wood-plastic composite material, carry out: one, take by weighing the wood powder of 20kg, the maleic anhydride inoculated polypropylene coupling agent of 1.6kg, the paraffin of 0.8kg, the Vestolen PP 7052 of 14.4kg, the antioxidant 1010 of 0.04kg and the nanometer Mg (OH) of 4kg according to the following steps
2Two, the wood powder that takes by weighing, maleic anhydride inoculated polypropylene coupling agent and paraffin being put into high-speed mixer, is 80 ℃ of hot down mixing 10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 50 ℃, with the Vestolen PP 7052 that takes by weighing, antioxidant 1010 and nanometer Mg (OH)
2Put in the cold mixer remix 15 minutes, the material that must mix; Four, it is that 140～190 ℃, die temperature are that 180 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 80r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein the particle order number of wood powder is 50～70 orders in the step 1, and the water ratio of wood powder is less than 3%.
The HRR peak value of the fire-retardant polyolefine base wood-plastic composite material that this embodiment makes is 260.7kW/m
2, evenly heat rate of release 153.5kW/m
2, total smoke release is 13.12l/m
2, the CO generating rate is 3.13 * 10
3G/s, average specific delustring area is 437.3m
2/ kg, burning time 30s, flexural strength is 48.42MPa, modulus in flexure is 3.5GPa.
The HRR peak value of fire-retardant sample is not 432.6kW/m
2, evenly heat rate of release 269.1kW/m
2, total smoke release is 15.57l/m
2, the CO generating rate is 3.81 * 10
3G/s, average specific delustring area is 482.5m
2/ kg, burning time are 19s, and flexural strength is 66.97MPa, and modulus in flexure is 3.5GPa.
Embodiment 40: the preparation method of this embodiment fire-retardant polyolefine base wood-plastic composite material, carry out: one, take by weighing the wood powder of 20kg, the maleic anhydride modified Vestolen PP 7052 coupling agent of 1.6kg, the paraffin of 0.8kg, the Vestolen PP 7052 of 12.4kg, the antioxidant 1010 of 0.03kg and the nanometer Mg (OH) of 6kg according to the following steps
2Two, the wood powder that takes by weighing, maleic anhydride modified Vestolen PP 7052 coupling agent and paraffin being put into high-speed mixer, is 80 ℃ of hot down mixing 10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 50 ℃, with the Vestolen PP 7052 that takes by weighing, antioxidant 1010, nanometer Mg (OH)
2Put in the cold mixer remix 15 minutes, the material that must mix; Four, it is that 140～190 ℃, die temperature are that 185 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 100r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein the particle order number of wood powder is 50～70 orders in the step 1, and the water ratio of wood powder is less than 3%.
The HRR peak value of the fire-retardant polyolefine base wood-plastic composite material that this embodiment makes is 219.7kW/m
2, evenly heat rate of release 150.9kW/m
2, total smoke release is 10.42l/m
2, the CO generating rate is 2.99 * 10
3G/s, average specific delustring area is 343.3m
2/ kg, burning time 35s, flexural strength is 46.98MPa, modulus in flexure is 4.2GPa.
The HRR peak value of fire-retardant sample is not 432.6kW/m
2, evenly heat rate of release 269.1kW/m
2, total smoke release is 15.57l/m
2, the CO generating rate is 3.81 * 10
3G/s, average specific delustring area is 482.5m
2/ kg, burning time are 19s, and flexural strength is 66.97MPa, and modulus in flexure is 3.5GPa.
Embodiment 41: the preparation method of this embodiment fire-retardant polyolefine base wood-plastic composite material, carry out: one, take by weighing the wood powder of 20kg, the maleic anhydride modified Vestolen PP 7052 coupling agent of 1.6kg, the paraffin of 0.8kg, the Vestolen PP 7052 of 10.4kg, the antioxidant 1010 of 0.01kg, the nanometer Mg (OH) of 6kg according to the following steps
2Nano-zinc borate with 2kg; Two, the wood powder that takes by weighing, maleic anhydride modified Vestolen PP 7052 coupling agent and paraffin being put into high-speed mixer, is 80 ℃ of hot down mixing 10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 50 ℃, with the Vestolen PP 7052 that takes by weighing, antioxidant 1010, nanometer Mg (OH)
2Put in the cold mixer remix 15 minutes, the material that must mix with nano-zinc borate; Four, it is that 140～190 ℃, die temperature are that 180 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 100r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein the particle order number of wood powder is 50～70 orders in the step 1, and the water ratio of wood powder is less than 3%.
The HRR peak value of the fire-retardant polyolefine base wood-plastic composite material that this embodiment makes is 200.6kW/m
2, evenly heat rate of release 141.7kW/m
2, total smoke release is 9.45l/m
2, the CO generating rate is 2.92 * 10
3G/s, average specific delustring area is 305.3m
2/ kg, burning time 43s, flexural strength is 41.76MPa, modulus in flexure is 4.3GPa.
The HRR peak value of fire-retardant sample is not 432.6kW/m
2, evenly heat rate of release 269.1kW/m
2, total smoke release is 15.57l/m
2, the CO generating rate is 3.81 * 10
3G/s, average specific delustring area is 482.5m
2/ kg, burning time are 19s, and flexural strength is 66.97MPa, and modulus in flexure is 3.5GPa.
Embodiment 42: the preparation method of this embodiment fire-retardant polyolefine base wood-plastic composite material, carry out: one, take by weighing the wood powder of 20kg, the maleic anhydride modified Vestolen PP 7052 coupling agent of 1.6kg, the paraffin of 0.8kg, the Vestolen PP 7052 of 8.4kg, the antioxidant 1010 of 0.008kg, the nanometer Mg (OH) of 6kg according to the following steps
2Nanometer organic modification montmonrillonite with 2kg; Two, the wood powder that takes by weighing, maleic anhydride modified Vestolen PP 7052 coupling agent and paraffin being put into high-speed mixer, is 80 ℃ of hot down mixing 10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 50 ℃, with the Vestolen PP 7052 that takes by weighing, antioxidant 1010, nanometer Mg (OH)
2Put in the cold mixer remix 15 minutes, the material that must mix with the nanometer organic modification montmonrillonite; Four, it is that 140～190 ℃, die temperature are that 180 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 120r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein the particle order number of wood powder is 50～70 orders in the step 1, and the water ratio of wood powder is less than 3%.
The HRR peak value of the fire-retardant polyolefine base wood-plastic composite material that this embodiment makes is 178.1kW/m
2, evenly heat rate of release 129.2kW/m
2, total smoke release is 7.18l/m
2, the CO generating rate is 2.85 * 10
3G/s, average specific delustring area is 226m
2/ kg, burning time 48s, flexural strength is 40.34MPa, modulus in flexure is 4.8GPa.
The HRR peak value of fire-retardant sample is not 432.6kW/m
2, evenly heat rate of release 269.1kW/m
2, total smoke release is 15.57l/m
2, the CO generating rate is 3.81 * 10
3G/s, average specific delustring area is 482.5m
2/ kg, burning time are 19s, and flexural strength is 66.97MPa, and modulus in flexure is 3.5GPa.
Claims (5)
1. the preparation method of a fire-retardant polyolefine base wood-plastic composite material; The preparation method who it is characterized in that the fire-retardant polyolefine base wood-plastic composite material carries out: one, take by weighing 30～70 parts lignocellulosic material, 2～8 parts coupling agent, 0.5～4 part lubricant, 20～50 parts plastics, 0.01～1 part oxidation inhibitor, 8～30 parts nanometer inorganic flame retardant and 0～5 part mineral filler by ratio of weight and the number of copies according to the following steps; Two, the lignocellulosic material that takes by weighing, coupling agent and lubricant being put into high-speed mixer, is 40～120 ℃ of hot down mixing 3～10 minutes in temperature, gets hot batch mixing; Three, the hot batch mixing that step 2 is obtained is put into cold mixer and is carried out cold mix, and treats that temperature reduces to 40～60 ℃, the plastics that take by weighing, oxidation inhibitor, nanometer inorganic flame retardant and mineral filler is put in the cold mixer remix 5～20 minutes, the material that must mix; Four, it is that 140～190 ℃, die temperature are that 160～190 ℃, screw speed are to melt extrude granulation in the twin screw extruder of 30～100r/min that the material that mixes that step 3 is obtained is put into barrel zone temperature; Adopt then extrude, injection, hot pressing or compression molding, promptly make the fire-retardant polyolefine base wood-plastic composite material; Wherein lignocellulosic material is one or more the mixture in wood powder, powdered rice hulls, bamboo bits, straw powder, shell powder, the bagasse in the step 1; Coupling agent is one or more the mixture in silane coupling agent, aluminate coupling agent, titante coupling agent, polymethylene polyphenyl isocyanate, maleic anhydride, modified by maleic acid anhydride graft Vilaterm, the modified by maleic acid anhydride graft Vestolen PP 7052; Lubricant is one or more the mixture in polyethylene wax, Poly Propylene Wax, paraffin, Triple Pressed Stearic Acid, Zinic stearas, the calcium stearate; Plastics are one or more the mixture in Vilaterm, Vestolen PP 7052, Vilaterm reclaimed materials, the Vestolen PP 7052 reclaimed materials; Oxidation inhibitor is one or more the mixture in antioxidant 1010, oxidation inhibitor 168, antioxidant 1076, the oxidation inhibitor 1035; Nanometer inorganic flame retardant is one or more the mixture in nano-aluminum hydroxide, nano-sized magnesium hydroxide, nano organic montmorillonite, the nano-zinc borate; Mineral filler is one or more the mixture in Paris white, Calucium Silicate powder, talcum powder, flyash, the carbon black.
2. the preparation method of a kind of fire-retardant polyolefine base wood-plastic composite material according to claim 1, heat is mixed down to it is characterized in that being 80 ℃ in temperature in the step 2.
3. the preparation method of a kind of fire-retardant polyolefine base wood-plastic composite material according to claim 1 and 2 is characterized in that barrel zone temperature is 165～185 ℃ in the step 4.
4. the preparation method of a kind of fire-retardant polyolefine base wood-plastic composite material according to claim 3 is characterized in that die temperature is 180 ℃ in the step 4.
5. the preparation method of a kind of fire-retardant polyolefine base wood-plastic composite material according to claim 4 is characterized in that screw speed is 50～100r/min in the step 4.
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