CN105906908A - Degradable flame-retardant wood-plastic composite material and preparation method thereof - Google Patents
Degradable flame-retardant wood-plastic composite material and preparation method thereof Download PDFInfo
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- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 50
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 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 abstract description 8
- 239000003063 flame retardant Substances 0.000 title abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000003381 stabilizer Substances 0.000 claims abstract description 26
- 239000007822 coupling agent Substances 0.000 claims abstract description 25
- -1 polypropylene Polymers 0.000 claims abstract description 22
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 20
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 claims abstract description 20
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 19
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 19
- MSJMDZAOKORVFC-UAIGNFCESA-L disodium maleate Chemical compound [Na+].[Na+].[O-]C(=O)\C=C/C([O-])=O MSJMDZAOKORVFC-UAIGNFCESA-L 0.000 claims abstract description 18
- 239000003365 glass fiber Substances 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002023 wood Substances 0.000 claims description 35
- 241000790646 Cotinis Species 0.000 claims description 32
- 229920003023 plastic Polymers 0.000 claims description 29
- 239000004033 plastic Substances 0.000 claims description 29
- 239000012757 flame retardant agent Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- KGEKLUUHTZCSIP-HOSYDEDBSA-N [(1s,4s,6r)-1,7,7-trimethyl-6-bicyclo[2.2.1]heptanyl] acetate Chemical compound C1C[C@]2(C)[C@H](OC(=O)C)C[C@H]1C2(C)C KGEKLUUHTZCSIP-HOSYDEDBSA-N 0.000 claims description 17
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 claims description 17
- OBNCKNCVKJNDBV-UHFFFAOYSA-N ethyl butyrate Chemical compound CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 claims description 17
- 235000012054 meals Nutrition 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 9
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 9
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 235000006708 antioxidants Nutrition 0.000 claims description 8
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 8
- 239000008116 calcium stearate Substances 0.000 claims description 8
- 235000013539 calcium stearate Nutrition 0.000 claims description 8
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- 239000005995 Aluminium silicate Substances 0.000 abstract 1
- 241001407301 Berberis amurensis Species 0.000 abstract 1
- 229920000331 Polyhydroxybutyrate Polymers 0.000 abstract 1
- 235000012211 aluminium silicate Nutrition 0.000 abstract 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 235000019256 formaldehyde Nutrition 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002025 wood fiber Substances 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a degradable flame-retardant wood-plastic composite and a preparation method thereof. The wood-plastic composite material is prepared from the components of waste polypropylene, waste low-density polyethylene, nanometer kaolin, polyhydroxybutyrate, poly(ethylene naphthalate), modified berberis amurensis powder, shell powder, glass fiber, quartz fiber, bronyl acetate, itaconic acid, disodium maleate, ethylene bisstearamide, composite flame retardant, coupling agent and stabilizer. The degradable flame-retardant wood-plastic composite material is degradable, impact strength of the composite material is up to 9.3-10.7kJ/m<2>, the tensile strength is up to 43-55MPa, the flame retardant rating is up to grade UL-94 V0, the formaldehyde release amount is 0.036-0.071mg/L, and the standard of less than 1mg/L of formaldehyde release amount of materials used in interior architecture environments is met.
Description
Technical field
The invention belongs to field of compound material, be specifically related to a kind of degradable anti-flaming wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite is a kind of new green environment protection material, wood plastic composite refers to utilize polyethylene, polypropylene and polrvinyl chloride etc., replace common resin adhesive, it is mixed into new wood materials with useless Plant fiber such as the wood powder more than more than 50%, rice husk, straws, again through plastic processing machine-shapings such as extruding, mold pressing, injection mouldings, it is mainly used in the industries such as building materials, furniture, logistics packaging.
Although wood plastic composite environmental protection, " can turn waste into wealth ", both remain timber advantage in terms of processing characteristics, overcome again the shortcoming that timber is easily damaged by worms.But, in order to improve the compatibility between the wood fiber and resin, wood plastic composite often adding substantial amounts of property-modifying additive, this adds the cost of manufacture of wood plastic composite undoubtedly, limits the application of wood plastic composite；Mechanical property and the environmental-protecting performance of wood plastic composite needs to be strengthened further simultaneously；Additionally, in wood plastic composite containing have more than more than 50% wood powder, rice husk, the flammable Plant fiber such as straw, therefore the anti-flammability of wood plastic composite also needs to be improved further.
Summary of the invention
The technical problem to be solved is that existing wood plastic composite cost of manufacture is high and the problem such as anti-flammability is the best, it is provided that a kind of degradable anti-flaming wood plastic composite and preparation method thereof.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The invention discloses a kind of degradable anti-flaming wood plastic composite, component including following weight portion: waste and old polypropylene 22-37 part, waste and old Low Density Polyethylene 32-45 part, nano kaoline 10-18 part, poly butyric ester 8-15 part, PEN 5-13 part, modified Ramulus et Folium Cotini Coggygiae wood powder 11-20 part, conch meal 7-16 part, glass fibre 6-14 part, quartz fibre 8-17 part, borneol acetate 4-10 part, itaconic acid 3-8 part, maleic acid disodium salt 4-9 part, ethylene bis stearic acid amide 7-15 part, composite flame-retardant agent 4-9 part, coupling agent 1-3 part, stabilizer 2-5 part；
Wherein, described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
The modification procedure of described modified Ramulus et Folium Cotini Coggygiae wood powder is: be dried 2-3 hour at 80-100 DEG C by Ramulus et Folium Cotini Coggygiae wood powder, then it is crushed to less than 2 centimetres, it is placed in 42 DEG C again, the sodium hydroxide solution of 3wt% soaks 15 minutes, washing is then placed in 35 DEG C after drying, soaks 30 minutes in 10wt% phosphoric acid solution, and washing i.e. obtains modified Ramulus et Folium Cotini Coggygiae wood powder after drying, wherein, the mass ratio of described Ramulus et Folium Cotini Coggygiae wood powder, sodium hydroxide solution and phosphoric acid solution is 100:2:3.5.
Preferably, described degradable anti-flaming wood plastic composite, it is characterized in that, including the component of following weight portion: waste and old polypropylene 26 parts, waste and old Low Density Polyethylene 38 parts, nano kaoline 17 parts, poly butyric ester 12 parts, PEN 6 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 16 parts, conch meal 11 parts, glass fibre 10 parts, quartz fibre 13 parts, borneol acetate 8 parts, 5 parts of itaconic acid, maleic acid disodium salt 7 parts, ethylene bis stearic acid amide 11 parts, composite flame-retardant agent 7 parts, coupling agent 2 parts, stabilizer 4 parts.
Described coupling agent includes at least one in titanate coupling agent, aluminate coupling agent, silane coupler.
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The present invention also provides for the preparation method of a kind of above-mentioned degradable anti-flaming wood plastic composite, and preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and coupling agent are stirred mixing at 100-130 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 50-180r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained is suppressed 3-8 hour under press temperature 95-120 DEG C, pressing pressure 38-60MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Preferably, the screw speed of described step S3 is 80r/min.
In described step S4, press temperature is 103 DEG C, and pressing pressure is 45MPa, and the press time is 4 hours.
Owing to have employed above technical scheme, the present invention compared with prior art has the advantages that
The degradable anti-flaming wood plastic composite degradable of the present invention and the impact strength of composite reach 9.3-10.7
kJ/m2, hot strength reaches 43-55MPa, and flame retardant rating reaches UL-94 V0 level, and burst size of methanal is 0.036-0.071 mg/L, meets the burst size of methanal standard less than 1 mg/L of Building Indoor Environment material.The present invention use waste and old polypropylene and low-density polyethylene material as raw material, environmental protection and cost-effective, its range of application can be widened, and the manufacture method of wood plastic composite is simple, is suitable for large-scale production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
A kind of degradable anti-flaming wood plastic composite, including the component of following weight portion: waste and old polypropylene 22-37 part, waste and old Low Density Polyethylene 32-45 part, nano kaoline 10-18 part, poly butyric ester 8-15 part, PEN 5-13 part, modified Ramulus et Folium Cotini Coggygiae wood powder 11-20 part, conch meal 7-16 part, glass fibre 6-14 part, quartz fibre 8-17 part, borneol acetate 4-10 part, itaconic acid 3-8 part, maleic acid disodium salt 4-9 part, ethylene bis stearic acid amide 7-15 part, composite flame-retardant agent 4-9 part, coupling agent 1-3 part, stabilizer 2-5 part；
Wherein, described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
The modification procedure of described modified Ramulus et Folium Cotini Coggygiae wood powder is: be dried 2-3 hour at 80-100 DEG C by Ramulus et Folium Cotini Coggygiae wood powder, then it is crushed to less than 2 centimetres, it is placed in 42 DEG C again, the sodium hydroxide solution of 3wt% soaks 15 minutes, washing is then placed in 35 DEG C after drying, soaks 30 minutes in 10wt% phosphoric acid solution, and washing i.e. obtains modified Ramulus et Folium Cotini Coggygiae wood powder after drying, wherein, the mass ratio of described Ramulus et Folium Cotini Coggygiae wood powder, sodium hydroxide solution and phosphoric acid solution is 100:2:3.5.
Described coupling agent includes at least one in titanate coupling agent, aluminate coupling agent, silane coupler.
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
Embodiment 1
Degradable anti-flaming wood plastic composite described in the present embodiment, including the component of following weight portion: waste and old polypropylene 22 parts, waste and old Low Density Polyethylene 32 parts, nano kaoline 10 parts, poly butyric ester 8 parts, PEN 5 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 11 parts, conch meal 7 parts, glass fibre 6 parts, quartz fibre 8 parts, borneol acetate 4 parts, 3 parts of itaconic acid, maleic acid disodium salt 4 parts, ethylene bis stearic acid amide 7 parts, composite flame-retardant agent 4 parts, titanate coupling agent 1 part, stabilizer 2 parts；
Described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The preparation method of degradable anti-flaming wood plastic composite described in the present embodiment, preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and titanate coupling agent are stirred mixing at 100 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 50r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained is suppressed 3 hours under press temperature 95-120 DEG C, pressing pressure 38MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Embodiment 2
Degradable anti-flaming wood plastic composite described in the present embodiment, including the component of following weight portion: waste and old polypropylene 37 parts, waste and old Low Density Polyethylene 45 parts, nano kaoline 18 parts, poly butyric ester 15 parts, PEN 13 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 20 parts, conch meal 16 parts, glass fibre 14 parts, quartz fibre 17 parts, borneol acetate 10 parts, 8 parts of itaconic acid, maleic acid disodium salt 9 parts, ethylene bis stearic acid amide 15 parts, composite flame-retardant agent 9 parts, aluminate coupling agent 3 parts, stabilizer 5 parts；
Described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The preparation method of degradable anti-flaming wood plastic composite described in the present embodiment, preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and aluminate coupling agent are stirred mixing at 130 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 180r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained, press temperature 120 DEG C, is suppressed 8 hours under pressing pressure 60MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Embodiment 3
Degradable anti-flaming wood plastic composite described in the present embodiment, including the component of following weight portion: waste and old polypropylene 30 parts, waste and old Low Density Polyethylene 38 parts, nano kaoline 14 parts, poly butyric ester 12 parts, PEN 9 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 16 parts, conch meal 12 parts, glass fibre 10 parts, quartz fibre 12 parts, borneol acetate 7 parts, 5 parts of itaconic acid, maleic acid disodium salt 6 parts, ethylene bis stearic acid amide 11 parts, composite flame-retardant agent 6 parts, silane coupler 2 parts, stabilizer 3 parts；
Described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The preparation method of degradable anti-flaming wood plastic composite described in the present embodiment, preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and silane coupler are stirred mixing at 115 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 115r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained, press temperature 107 DEG C, is suppressed 5 hours under pressing pressure 49MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Embodiment 4
Degradable anti-flaming wood plastic composite described in the present embodiment, including the component of following weight portion: waste and old polypropylene 26 parts, waste and old Low Density Polyethylene 38 parts, nano kaoline 17 parts, poly butyric ester 12 parts, PEN 6 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 16 parts, conch meal 11 parts, glass fibre 10 parts, quartz fibre 13 parts, borneol acetate 8 parts, 5 parts of itaconic acid, maleic acid disodium salt 7 parts, ethylene bis stearic acid amide 11 parts, composite flame-retardant agent 7 parts, aluminate coupling agent 1 part, silane coupler 1 part, stabilizer 4 parts；
Described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The preparation method of degradable anti-flaming wood plastic composite described in the present embodiment, preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and coupling agent are stirred mixing at 110 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 80r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained, press temperature 103 DEG C, is suppressed 4 hours under pressing pressure 45MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Embodiment 5
Degradable anti-flaming wood plastic composite described in the present embodiment, including the component of following weight portion: waste and old polypropylene 32 parts, waste and old Low Density Polyethylene 40 parts, nano kaoline 14 parts, poly butyric ester 12 parts, PEN 8 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 15 parts, conch meal 13 parts, glass fibre 9 parts, quartz fibre 12 parts, borneol acetate 8 parts, 5 parts of itaconic acid, maleic acid disodium salt 6 parts, ethylene bis stearic acid amide 12 parts, composite flame-retardant agent 6 parts, titanate coupling agent 1 part, stabilizer 4 parts；
Described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
Described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
The preparation method of degradable anti-flaming wood plastic composite described in the present embodiment, preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and coupling agent are stirred mixing at 125 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 120r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained, press temperature 105 DEG C, is suppressed 4 hours under pressing pressure 50MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
Comparative example 1
This comparative example differs only in embodiment 1, does not contains PEN and itaconic acid, replaces composite flame-retardant agent with antimony oxide.
Comparative example 2
This comparative example differs only in embodiment 1, replaces modified Ramulus et Folium Cotini Coggygiae wood powder with common Ramulus et Folium Cotini Coggygiae wood powder.
Performance test
The natural degradation time of the wood plastic composite described in embodiments of the invention 1-5 is 18-30 month.
Embodiment of the present invention 1-5 and comparative example 1,2 gained wood plastic composite are carried out performance test, result such as following table:
Table 1 wood plastic composite performance test data
Knowable to above test data, the impact strength of embodiment 1-embodiment 5 reaches 9.3-10.7 kJ/m2, hot strength reaches 43-55MPa, impact strength and hot strength and is above comparative example 1 and comparative example 2；Simultaneously in terms of flame retardant rating, embodiment 1-5 reaches UL-94 V0 level, and the flame retardant rating of comparative example 1 and comparative example 2 is V2, illustrate that PEN, itaconic acid, composite flame-retardant agent and modified Ramulus et Folium Cotini Coggygiae wood powder all produce certain impact to mechanical property and the fire resistance of described composite.Additionally, the burst size of methanal of embodiment 1-5 is 0.036-0.071 mg/L, meet Building Indoor Environment material burst size of methanal less than 1
The standard of mg/L.
Claims (7)
1. degradable anti-flaming wood plastic composite, it is characterized in that, component including following weight portion: waste and old polypropylene 22-37 part, waste and old Low Density Polyethylene 32-45 part, nano kaoline 10-18 part, poly butyric ester 8-15 part, PEN 5-13 part, modified Ramulus et Folium Cotini Coggygiae wood powder 11-20 part, conch meal 7-16 part, glass fibre 6-14 part, quartz fibre 8-17 part, borneol acetate 4-10 part, itaconic acid 3-8 part, maleic acid disodium salt 4-9 part, ethylene bis stearic acid amide 7-15 part, composite flame-retardant agent 4-9 part, coupling agent 1-3 part, stabilizer 2-5 part；
Wherein, described composite flame-retardant agent is the mixture by weight antimony oxide, ferrocene and magnesium oxide for 2:1:1；
The modification procedure of described modified Ramulus et Folium Cotini Coggygiae wood powder is: be dried 2-3 hour at 80-100 DEG C by Ramulus et Folium Cotini Coggygiae wood powder, then it is crushed to less than 2 centimetres, it is placed in 42 DEG C again, the sodium hydroxide solution of 3wt% soaks 15 minutes, washing is then placed in 35 DEG C after drying, soaks 30 minutes in 10wt% phosphoric acid solution, and washing i.e. obtains modified Ramulus et Folium Cotini Coggygiae wood powder after drying, wherein, the mass ratio of described Ramulus et Folium Cotini Coggygiae wood powder, sodium hydroxide solution and phosphoric acid solution is 100:2:3.5.
Degradable anti-flaming wood plastic composite the most according to claim 1, it is characterized in that, including the component of following weight portion: waste and old polypropylene 26 parts, waste and old Low Density Polyethylene 38 parts, nano kaoline 17 parts, poly butyric ester 12 parts, PEN 6 parts, modified Ramulus et Folium Cotini Coggygiae wood powder 16 parts, conch meal 11 parts, glass fibre 10 parts, quartz fibre 13 parts, borneol acetate 8 parts, 5 parts of itaconic acid, maleic acid disodium salt 7 parts, ethylene bis stearic acid amide 11 parts, composite flame-retardant agent 7 parts, coupling agent 2 parts, stabilizer 4 parts.
Degradable anti-flaming wood plastic composite the most according to claim 1 and 2, it is characterised in that described coupling agent includes at least one in titanate coupling agent, aluminate coupling agent, silane coupler.
Degradable anti-flaming wood plastic composite the most according to claim 1 and 2, it is characterised in that described stabilizer includes that weight ratio is the calcium stearate of 5:2:1, anti-oxidant DLTP and ultraviolet absorber UV-1084.
5. the preparation method of degradable anti-flaming wood plastic composite as claimed in claim 1, it is characterised in that preparation process is as follows:
S1. by the most cleaned, dry, broken to waste and old polypropylene and waste and old Low Density Polyethylene, pulverize after respectively obtain plastics fines A and plastics fines B；
S2. plastics fines A, plastics fines B, nano kaoline, modified Ramulus et Folium Cotini Coggygiae wood powder, conch meal, glass fibre, quartz fibre, poly butyric ester and coupling agent are stirred mixing at 100-130 DEG C, it is subsequently cooled to 40 DEG C, adding PEN, borneol acetate, itaconic acid, maleic acid disodium salt, ethylene bis stearic acid amide, composite flame-retardant agent and stabilizer, mix homogeneously obtains mixed material；
S3. said mixture material is put into double screw extruder, to carry out extruding pelletization at screw speed 50-180r/min, temperature 170-210 DEG C；
S4. extruded stock step S3 obtained is suppressed 3-8 hour under press temperature 95-120 DEG C, pressing pressure 38-60MPa；
S5., after compacting, it is cooled to room temperature, after standing a night, i.e. obtains graininess wood plastic composite.
The preparation method of degradable anti-flaming wood plastic composite the most according to claim 5, it is characterised in that the screw speed of described step S3 is 80r/min.
The preparation method of degradable anti-flaming wood plastic composite the most according to claim 5, it is characterised in that in described step S4, press temperature is 103 DEG C, pressing pressure is 45MPa, and the press time is 4 hours.
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| CN108948762A (en) * | 2018-04-25 | 2018-12-07 | 曾冬梅 | A kind of polypropylene fire retardant wood-plastic composite panel and preparation method |
| CN109021602A (en) * | 2018-07-13 | 2018-12-18 | 安徽钰锦生态木材料有限公司 | A kind of wood plastic composite and its processing method with lavender |
| CN109181332A (en) * | 2018-07-13 | 2019-01-11 | 安徽钰锦生态木材料有限公司 | A kind of wear-resisting wood plastics composite new material and its processing method |
| CN109281233A (en) * | 2018-09-12 | 2019-01-29 | 徐晨攀 | A kind of preparation method of degradable wood-plastic board |
| WO2019100471A1 (en) * | 2017-11-22 | 2019-05-31 | 南通展鹏塑料有限公司 | Pp-pe-pen three-matrix resin composite material |
| CN112552596A (en) * | 2020-12-11 | 2021-03-26 | 台州市森力塑胶有限公司 | Degradable polypropylene wood-plastic composite modified material |
| CN114933814A (en) * | 2022-04-19 | 2022-08-23 | 天津科技大学 | Degradable wood-plastic composite material for manufacturing tray and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019100471A1 (en) * | 2017-11-22 | 2019-05-31 | 南通展鹏塑料有限公司 | Pp-pe-pen three-matrix resin composite material |
| CN108948762A (en) * | 2018-04-25 | 2018-12-07 | 曾冬梅 | A kind of polypropylene fire retardant wood-plastic composite panel and preparation method |
| CN109021602A (en) * | 2018-07-13 | 2018-12-18 | 安徽钰锦生态木材料有限公司 | A kind of wood plastic composite and its processing method with lavender |
| CN109181332A (en) * | 2018-07-13 | 2019-01-11 | 安徽钰锦生态木材料有限公司 | A kind of wear-resisting wood plastics composite new material and its processing method |
| CN109281233A (en) * | 2018-09-12 | 2019-01-29 | 徐晨攀 | A kind of preparation method of degradable wood-plastic board |
| CN112552596A (en) * | 2020-12-11 | 2021-03-26 | 台州市森力塑胶有限公司 | Degradable polypropylene wood-plastic composite modified material |
| CN114933814A (en) * | 2022-04-19 | 2022-08-23 | 天津科技大学 | Degradable wood-plastic composite material for manufacturing tray and preparation method thereof |
| CN120024098A (en) * | 2025-03-17 | 2025-05-23 | 浙江标隆新材料有限公司 | High-strength PVC wood grain sheet and preparation method thereof |
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