CN113337048A - Efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material and preparation method thereof - Google Patents
Efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 239000000779 smoke Substances 0.000 title claims abstract description 39
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 38
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 38
- 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 title claims abstract description 26
- 239000003063 flame retardant Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 12
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000002023 wood Substances 0.000 claims abstract description 10
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 13
- 230000001629 suppression Effects 0.000 claims description 11
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 9
- -1 phthalate ester Chemical class 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 7
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920002531 Rubberwood Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 241000219000 Populus Species 0.000 claims description 5
- 150000004645 aluminates Chemical group 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
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 2
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 2
- 239000006084 composite stabilizer Substances 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920005604 random copolymer Polymers 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 claims description 2
- BHTBHKFULNTCHQ-UHFFFAOYSA-H zinc;tin(4+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Sn+4] BHTBHKFULNTCHQ-UHFFFAOYSA-H 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 abstract description 2
- 231100000053 low toxicity Toxicity 0.000 abstract description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 28
- 229920000915 polyvinyl chloride Polymers 0.000 description 27
- 238000000465 moulding Methods 0.000 description 6
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-efficiency flame-retardant smoke-inhibiting PVC-based wood-plastic composite material which is prepared from PVC resin, wood powder, an impact modifier, a coupling agent, a lubricant, a heat stabilizer, a compatilizer and a flame-retardant smoke inhibitor. The invention also discloses a preparation method of the efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material. Compared with the prior art, the invention has the advantages of low cost, low smoke, low toxicity, high mechanical property, high flame retardance and the like.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a high-efficiency flame-retardant smoke-suppressing PVC-based wood-plastic composite material and a preparation method thereof.
Background
The wood-plastic composite material is a novel environment-friendly composite material which takes wood plant fibers as filling or reinforcing materials and thermosetting or thermoplastic plastics as matrix materials. The wood-plastic composite material is simple in preparation process, and is prepared by mixing wood powder and plastic, adding processing aids such as an impact modifier, a coupling agent, a heat stabilizer, a lubricant and the like, and performing high-temperature melt extrusion, hot pressing or injection molding by using a high-speed mixer, a hot press, an internal mixer or a double-screw extruder and the like. Common thermoplastic plastic substrates mainly comprise Polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (ABS) and the like, and the wood plant fibers are generally selected from rice hull powder, poplar powder, straw powder, rubber wood powder and the like. The wood-plastic composite material has the advantages of easy processing, low cost, high hardness, good mechanical property, good color and luster and the like, and is widely applied to the industries of buildings, building materials, packaging, furniture and the like. The wood-plastic composite material is closely related to the life of people and is popular with people. In recent years, the demand of people for PVC wood-plastic composite materials is rising year by year. Compared with other wood-plastic composite materials, the wood-plastic composite material has been widely applied to the fields of interior decoration, furniture and the like because of better appearance and better flame retardance. However, the PVC wood-plastic composite material is accompanied by a large amount of toxic smoke during combustion, so that casualties are easily caused during fire. Therefore, it becomes important to improve the flame retardant and smoke suppression performance of the PVC wood-plastic composite material. The preparation of the efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material has become a necessary requirement for development.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material to overcome the defects of high smoke yield, high addition of a flame-retardant smoke inhibitor and poor mechanical property of the material in the PVC-based wood-plastic composite material.
The invention also aims to provide a preparation method of the high-efficiency flame-retardant smoke-suppression PVC-based wood-plastic composite material.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: the efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material is prepared from the following components in parts by mass: 100 parts of PVC resin, 40-60 parts of wood powder, 3-6 parts of impact modifier, 0.2-1 part of coupling agent, 0.5-1 part of lubricant, 5-7 parts of heat stabilizer, 2-4 parts of compatilizer and 5-20 parts of flame retardant and smoke suppressant.
The PVC resin is one of PVC resin powders with the types of SG-3, SG-5, SG-7 and SG-8.
The wood powder is one or a mixture of more than two of poplar powder, straw powder or rubber wood powder, and the particle size of the wood powder is 80-120 meshes.
The impact modifier is one or a mixture of a plurality of methyl methacrylate-butadiene-styrene copolymer (ABS), acrylonitrile-butadiene-styrene copolymer (NBR), acrylonitrile-butadiene random copolymer (MBS), chlorinated polyethylene, ethylene-vinyl acetate copolymer (EVA) and acrylate copolymer;
the coupling agent is aluminate or phthalate ester.
The lubricant is one or a mixture of more than two of polyethylene wax, stearic acid and calcium stearate.
The heat stabilizer is one or a mixture of more than two of zinc stearate, calcium stearate and calcium-zinc composite stabilizer.
The compatilizer is one or a mixture of more than two of chlorinated polyethylene and ethylene-vinyl acetate copolymer.
The flame-retardant smoke suppressant is one or a mixture of more than two of zinc borate, zinc stannate or zinc hydroxystannate.
A preparation method of an efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material comprises the following steps:
(1) weighing corresponding component raw materials according to the content range of the components, adding the raw materials into a high-speed mixer (model: SHR-10A, manufacturer: Huamei plastics Co., Ltd., Zhang Home, City) to perform high-speed premixing for 5-8 min at the rotating speed of 1400 rpm to obtain a premix;
(2) putting the premix into a torque rheometer and banburying and mixing for 8-12 min at 170-180 ℃ to obtain a mixed material;
(3) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting the mixed material by using a universal cutting machine to obtain the efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material.
Compared with the prior art, the invention has the beneficial effects that: has the advantages of low cost, low smoke, low toxicity, high mechanical property, high flame retardance and the like.
Detailed Description
The present invention is further described with reference to the following specific examples, which should be construed as limiting the scope of the invention as claimed. The following implementation and comparative experiments are adopted to verify the beneficial effects of the invention:
example 1
The efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material is prepared from the following components in parts by mass: 100 parts of SG-8 type PVC resin, 40 parts of rubber wood powder, 3 parts of acrylonitrile-butadiene-styrene copolymer impact modifier, 0.2 part of aluminate coupling agent, 0.5 part of stearic acid lubricant, 5 parts of zinc stearate heat stabilizer, 2 parts of chlorinated polyethylene and 5 parts of zinc borate smoke suppressant;
the preparation method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) putting the raw materials into a high-speed mixer for high-speed premixing for 6min at the rotating speed of 1400 rpm to obtain dry mixed materials;
(3) the dry mixture is put into a torque rheometer to be banburied and mixed for 8min at 175 ℃ to obtain a mixed material;
(4) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting by using a universal cutting machine.
Example 2
The efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material is prepared from the following components in parts by mass: 100 parts of SG-7 type PVC resin, 60 parts of rubber wood powder, 6 parts of acrylonitrile-butadiene-styrene copolymer impact modifier, 1 part of aluminate coupling agent, 1 part of stearic acid lubricant, 4 parts of zinc stearate heat stabilizer, 2 parts of chlorinated polyethylene and 10 parts of zinc borate smoke suppressant;
the preparation method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) putting the raw materials into a high-speed mixer for high-speed premixing for 8min at the rotating speed of 1400 rpm to obtain dry mixed materials;
(3) the dry mixture is put into a torque rheometer to be banburied and mixed for 12min at 175 ℃ to obtain a mixed material;
(4) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting by using a universal cutting machine.
Example 3
The efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material is prepared from the following components in parts by mass: 100 parts of SG-5 type PVC resin, 50 parts of poplar powder, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 0.6 part of titanate coupling agent, 0.5 part of polyethylene wax lubricant, 6 parts of zinc stearate heat stabilizer, 4 parts of chlorinated polyethylene and 15 parts of zinc borate smoke suppressant;
the preparation method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) putting the raw materials into a high-speed mixer for high-speed premixing for 7min at the rotating speed of 1400 rpm to obtain dry mixed materials;
(3) the dry mixture is put into a torque rheometer to be banburied and mixed for 10min at 170 ℃ to obtain a mixed material;
(4) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting by using a universal cutting machine.
Example 4
100 parts of SG-8 type PVC resin, 25 parts of poplar powder, 25 parts of straw powder, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 0.6 part of titanate coupling agent, 0.5 part of calcium stearate lubricant, 6 parts of zinc stearate heat stabilizer, 3 parts of chlorinated polyethylene and 20 parts of zinc borate smoke suppressant;
the preparation method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) putting the raw materials into a high-speed mixer for high-speed premixing for 6min at the rotating speed of 1400 rpm to obtain dry mixed materials;
(3) the dry mixture is put into a torque rheometer to be banburied and mixed for 12min at 170 ℃ to obtain a mixed material;
(4) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting by using a universal cutting machine.
Comparative experiment
An efficient flame-retardant smoke-suppression PVC-based wood-plastic composite material is prepared by the following components, by mass, 100 parts of SG-5 type PVC resin, 40 parts of rubber wood powder, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 0.4 part of aluminate coupling agent, 0.5 part of polyethylene wax lubricant, 6 parts of zinc stearate heat stabilizer, 0 part of chlorinated polyethylene and 0 part of zinc borate smoke suppressor;
the preparation method comprises the following steps:
(1) weighing the raw materials in parts by weight;
(2) putting the raw materials into a high-speed mixer for high-speed premixing for 8min at the rotating speed of 1400 rpm to obtain dry mixed materials;
(3) the dry mixture is put into a torque rheometer to be banburied and mixed for 10min at 175 ℃ to obtain a mixed material;
(4) and (3) hot-press molding the mixed material by using a flat vulcanizing machine, and then cutting by using a universal cutting machine.
The PVC-based wood-plastic composite material prepared by the above examples and comparative experiments is subjected to flame retardance and smoke suppression by a cone calorimeter, and mechanical properties are detected by a universal tester. The results of the flame-retardant and smoke-suppressing properties are shown in Table 1, and the results of the mechanical properties are shown in Table 2. As can be seen from the data in Table 1, the PVC-based wood-plastic composite material prepared by the invention has low smoke yield and good flame retardance in the combustion process, and has good flame-retardant and smoke-suppression effects; as can be seen from the data in Table 2, the PVC-based wood-plastic composite material prepared by the invention has excellent mechanical properties.
TABLE 1 flame retardance Smoke suppression Performance test results
TABLE 2 mechanical Property test results
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The efficient flame-retardant smoke-inhibiting PVC-based wood-plastic composite material is characterized by comprising the following components in parts by mass: 100 parts of PVC resin, 40-60 parts of wood powder, 3-6 parts of impact modifier, 0.2-1 part of coupling agent, 0.5-1 part of lubricant, 5-7 parts of heat stabilizer, 2-4 parts of compatilizer and 5-20 parts of flame retardant and smoke suppressant.
2. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the PVC resin is one of PVC resin powders of types SG-3, SG-5, SG-7 and SG-8.
3. The efficient flame-retardant smoke-suppression PVC-based wood-plastic composite material as claimed in claim 1, wherein the wood flour is one or a mixture of more than two of poplar wood flour, straw powder or rubber wood flour, and the particle size is 80-120 meshes.
4. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the impact modifier is one or more of methyl methacrylate-butadiene-styrene copolymer, acrylonitrile-butadiene random copolymer, chlorinated polyethylene, EVA and acrylate copolymer.
5. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the coupling agent is aluminate or phthalate ester.
6. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the lubricant is one or a mixture of more than two of polyethylene wax, stearic acid and calcium stearate.
7. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the heat stabilizer is one or a mixture of more than two of zinc stearate, calcium stearate and calcium zinc composite stabilizers.
8. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the compatilizer is one or a mixture of more than two of chlorinated polyethylene and ethylene-vinyl acetate copolymer.
9. The PVC-based wood-plastic composite material with high flame retardance and smoke suppression as claimed in claim 1, wherein the flame retardance and smoke suppression agent is one or a mixture of more than two of zinc borate, zinc stannate and zinc hydroxystannate.
10. The preparation method of the efficient flame-retardant smoke-suppressing PVC-based wood-plastic composite material according to any one of claims 1 to 9, which comprises the following steps:
(1) weighing corresponding component raw materials according to the content range of the components, adding the raw materials into a high-speed mixer, and premixing for 5-8 min at a rotating speed of 1400 rpm to obtain a premix;
(2) putting the premix into a torque rheometer and banburying and mixing for 8-12 min at 170-180 ℃ to obtain a mixed material;
(3) and (3) hot-pressing the mixed material by using a flat vulcanizing machine, and then cutting.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114685912A (en) * | 2022-04-13 | 2022-07-01 | 浙江锦达膜材科技有限公司 | Composite flame-retardant smoke-inhibiting polyvinyl chloride film material |
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| US20180072889A1 (en) * | 2016-08-04 | 2018-03-15 | Nanjing Tech University | Lignin Enhanced Wood-Plastic Material and Preparation Method thereof |
| CN108314864A (en) * | 2018-04-02 | 2018-07-24 | 桂林全州燎原科技有限责任公司 | A kind of flame-retarding smoke-inhibiting PVC wood plastic composite material |
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|---|---|---|---|---|
| CN102408736A (en) * | 2011-07-25 | 2012-04-11 | 东北林业大学 | Flame retardant high-wood content wood-plastic composite material and preparation method thereof |
| CN104086920A (en) * | 2014-07-18 | 2014-10-08 | 东北林业大学 | Flame-retardant smoke-suppression type PVC-based wood-plastic composite material and preparation method thereof |
| CN105482484A (en) * | 2016-02-01 | 2016-04-13 | 广东工业大学 | Preparation method of flame-retardant type wood-plastic composite |
| US20180072889A1 (en) * | 2016-08-04 | 2018-03-15 | Nanjing Tech University | Lignin Enhanced Wood-Plastic Material and Preparation Method thereof |
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| CN114685912B (en) * | 2022-04-13 | 2023-06-16 | 浙江锦达膜材科技有限公司 | Composite flame-retardant smoke-suppressing polyvinyl chloride film material |
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