CN110964286A - Polypropylene plastic-wood composite material and preparation method thereof - Google Patents
Polypropylene plastic-wood composite material and preparation method thereof Download PDFInfo
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- CN110964286A CN110964286A CN201811137739.1A CN201811137739A CN110964286A CN 110964286 A CN110964286 A CN 110964286A CN 201811137739 A CN201811137739 A CN 201811137739A CN 110964286 A CN110964286 A CN 110964286A
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- -1 Polypropylene Polymers 0.000 title claims abstract description 76
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 71
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 71
- 239000002023 wood Substances 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 10
- 239000011256 inorganic filler Substances 0.000 claims abstract description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 10
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical group CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 4
- 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 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
- 229920000578 graft copolymer Polymers 0.000 claims description 2
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 235000013312 flour Nutrition 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- 241000219000 Populus Species 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 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 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 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 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses a polypropylene plastic-wood composite material and a preparation method thereof. The composite material comprises the following components in parts by weight: 100 parts of modified polypropylene, 10-70 parts of wood powder, 4-20 parts of a compatilizer, 4-15 parts of an inorganic filler, 2-8 parts of nano calcium carbonate, 2-8 parts of a toughening agent and an antioxidant. The polypropylene plastic-wood composite material has good mechanical property and thermal deformation temperature, the dispersibility and compatibility with matrix resin of the wood powder are improved by blending the components of the composite material, and the processing method is simple, easy to operate, environment-friendly and harmless. The polypropylene plastic-wood composite material can be widely applied to multiple fields of municipal gardens, home office, packaging and transportation and the like, and has wide market prospect.
Description
Technical Field
The invention relates to the field of polymer composite materials, in particular to a high-performance polypropylene plastic-wood composite material and a preparation method thereof.
Background
The plastic-wood composite material is a novel composite material which is formed by processing plant fiber powder such as plastic resin, wood powder and the like serving as main raw materials through processes such as extrusion, injection and the like. Because polypropylene has good mechanical properties, chemical stability and low price, products of polypropylene filled with wood powder are widely used in industries of automobiles, decoration, furniture and the like. On one hand, the main components of the wood flour are lignin, cellulose and the like, the wood flour contains abundant hydroxyl groups and is easy to generate self-polymerization, and polypropylene is a nonpolar high-crystalline polymer, so that the compatibility of the polypropylene and the wood flour is poor, and the problems of poor toughness, large molding shrinkage and the like of the plastic-wood material can be caused. On the other hand, the plastic-wood composite material is filled with a large amount of wood powder, so that the mechanical property, particularly the impact resistance, of the material is low, the problems of fracture failure and the like of the plastic-wood material can be caused in the production, storage and use processes, and the service life and the use effect are influenced.
In the prior art, a large amount of compatilizers are usually added or silane coupling agents and the like are usually adopted to carry out surface modification on wood powder so as to improve the performance of a plastic wood material product, which often makes the processing process more complicated. Therefore, it is necessary to develop a plastic-wood material with simple processing technology, which can maintain the advantages of high strength and heat resistance of polypropylene materials, to meet the application requirements in more aspects.
Disclosure of Invention
The invention provides a polypropylene plastic-wood composite material and a preparation method thereof, which can improve the impact resistance and the heat resistance of a polypropylene plastic-wood material.
The invention aims to provide a polypropylene plastic-wood composite material, which is prepared from the following raw materials: modified polypropylene, wood powder, inorganic filler, nano calcium carbonate, compatilizer, toughening agent and antioxidant, wherein the weight portions are as follows:
wherein the modified polypropylene is preferably glycidyl methacrylate grafted polypropylene and can be prepared by a conventional method. The polypropylene of the graft monomer may be homo-polypropylene or co-polypropylene. Preferably, the grafting rate of glycidyl methacrylate monomers in the modified polypropylene is 3-4.5%. Under the test condition of 230 ℃ multiplied by 2.16kg, the melt flow rate of the modified polypropylene is 2-90 g/10 min.
The wood powder comprises but is not limited to wood powder of poplar, fir, pine and the like, and the particle size is preferably 60-300 meshes, more preferably 60-100 meshes.
The particle size range of the inorganic filler is preferably 1-10 mu m, and the inorganic filler is preferably at least one of talcum powder, barium sulfate, calcium carbonate or montmorillonite.
The particle size range of the nano calcium carbonate is preferably 0.01-0.1 mu m.
The compatilizer is preferably a polar monomer grafted polymer, the polymer is selected from at least one of polyethylene and polypropylene, and the polar monomer can be selected from at least one of maleic anhydride and derivatives thereof, and acrylic acid and derivatives thereof.
The toughening agent is selected from toughening agents commonly used in the field, and is preferably selected from ethylene-octene copolymer, styrene-ethylene-butadiene-styrene copolymer, or polar monomer grafted ethylene-octene copolymer or styrene-ethylene-butadiene-styrene copolymer, wherein the polar monomer is selected from at least one of maleic anhydride and derivatives thereof, and acrylic acid and derivatives thereof.
The antioxidant is conventional antioxidant in the art, preferably at least one of antioxidant 1010, antioxidant 1076, antioxidant 2246, antioxidant CA, antioxidant 168, antioxidant 626 and antioxidant 636. The antioxidant is used in a conventional amount, and can be adjusted by a technician according to actual conditions, wherein the amount of the antioxidant is preferably 0.1-1 part by weight, and more preferably 0.3-0.5 part by weight based on 100 parts by weight of the modified polypropylene.
The invention can also add various common assistants in the field according to the processing requirement, wherein the processing assistant is one or the mixture of more than two of lubricant, light stabilizer and heat stabilizer. The amount of the additive is conventional and can be adjusted by a skilled worker according to actual conditions, and preferably, the amount of the processing additive is 0.2-2 parts by weight based on 100 parts by weight of the modified polypropylene.
The invention also aims to provide a preparation method of the modified polypropylene plastic-wood composite material, which comprises the following steps:
drying the wood powder, uniformly mixing the components according to the amount, and carrying out melt blending, extrusion and granulation at 190-210 ℃ to obtain the polypropylene plastic-wood composite material.
Preferably, the preparation method comprises the steps of:
(1) drying the wood powder at 70 deg.C for 6 h;
(2) uniformly mixing the modified polypropylene, the wood powder, the inorganic filler, the nano calcium carbonate, the compatilizer, the flexibilizer, the antioxidant and other auxiliaries according to the proportion, adding the mixture into a double-screw extruder, and carrying out melt blending, extrusion and granulation at 190-210 ℃ to obtain the modified polypropylene plastic-wood composite material.
Compared with the prior art, the invention has the following beneficial effects:
the modified polypropylene is adopted in the invention, the grafting group of the modified polypropylene can be tightly combined with the hydroxyl on the surface of the wood powder, so that the adhesive force between the wood powder and the polypropylene is improved, and the wood powder does not need to be modified. The compatibility of the polypropylene and the wood powder is further improved by adding the compatilizer and coacting with the modified polypropylene. Meanwhile, the modified polypropylene can be used for realizing the improvement of the mechanical property of the plastic-wood material under the synergistic action of the filler and the toughening agent.
The processing method of the polypropylene plastic-wood composite material is simple and easy to operate, environment-friendly and harmless, improves the dispersibility and compatibility of the material, has good performance, can be widely applied to multiple fields of municipal gardens, home and office, packaging and transportation and the like, and has wide market prospect.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the example composition formulations:
the modified polypropylene is self-made glycidyl methacrylate grafted polypropylene, wherein the polypropylene matrix of the grafted monomer is copolymerized polypropylene produced by China petrochemical industry, the mark is SP179, the grafting rate of the glycidyl methacrylate is 4.2 percent, and the melt flow rate is 6.8g/10min under the test condition of 230 ℃ multiplied by 2.16 kg.
Preparation of glycidyl methacrylate grafted polypropylene:
the modified polypropylene is prepared by a conventional suspension solid phase grafting method. The method specifically comprises the following steps: heating 200 parts by weight of a 10 wt% sodium chloride aqueous solution to 90 ℃, adding 100 parts by weight of polypropylene powder, stirring for 2 hours, adding 6 parts by weight of monomer GMA and 0.06 part by weight of initiator benzoyl peroxide into the sodium chloride aqueous solution, stirring, mixing, reacting for 6 hours, washing a reaction product by deionized water and acetone to remove unreacted monomer and initiator, and drying to obtain modified polypropylene particles.
The wood powder is poplar wood powder, and the particle size range is 60-300 meshes.
The inorganic filler is talcum powder with the grain diameter of 5 mu m.
The nano calcium carbonate has a particle size range of 0.01-0.1 μm.
The compatibilizer was maleic anhydride grafted polypropylene manufactured by Nantong Rieger company, and the preferred easy series CMG 9801.
The toughening agent is maleic anhydride grafted styrene-ethylene-butylene-styrene copolymer produced by Keteng of America, and the mark is FG 1901.
The antioxidant is prepared by compounding tetra [ methyl- β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester (antioxidant 1010) and tris (2, 4-di-tert-butyl) phenyl phosphite (antioxidant 168), wherein the mass ratio of the antioxidant to the tris (2, 4-di-tert-butyl) phenyl phosphite is 1: 1.
In addition, the lubricant also comprises processing aids such as a lubricant, and the lubricant is calcium stearate produced by Hebei Qiaomi chemical industry.
In the comparative example composition formulation: the polypropylene is copolymerized polypropylene produced by China petrochemical industry, and the mark is SP 179. The specification and the number of the other components are the same as those of the embodiment.
Preparing a polypropylene plastic-wood composite material:
firstly, drying wood flour at 70 ℃ for 6 hours, then weighing the modified polypropylene, the wood flour, the inorganic filler, the nano calcium carbonate, the compatilizer, the flexibilizer, the antioxidant and the processing aid according to the formula proportion, uniformly mixing, adding into a double-screw extruder, melting and mixing the materials at 190-210 ℃, then granulating and cooling to obtain the modified polypropylene plastic-wood composite material.
The polypropylene compositions obtained in the examples and comparative examples were tested for the relevant properties by the following methods:
the polypropylene composition prepared by the invention is injected and molded into test sample strips at 195-210 ℃ by using an injection molding machine according to the GB standard. After molding, the test specimens were placed in a standard environment at a temperature of (23. + -.2). degree.C. and a humidity of (50. + -.5)% for 16-24 hours and then tested in a test environment of (23. + -.2). degree.C. and a humidity of (50. + -.5)%.
Tensile strength: testing according to GB/T1040.
Flexural strength and flexural modulus: testing according to GB/T9341.
Impact strength of the simply supported beam notch: testing according to GB/T1043.
Heat distortion temperature: testing according to GB/T1634.
The formulations of the components of examples 1 to 6 and comparative examples 1 to 3 are shown in Table 1, and the results of the performance tests of the samples of examples and comparative examples are shown in Table 2.
TABLE 1 formulations of the components of examples 1-5 and comparative examples 1-2
TABLE 2 results of the performance tests of examples 1 to 5 and comparative examples 1 to 3
The embodiment is compared with a comparative example, and the modified polypropylene is favorable for improving the mechanical property of the material, and the impact strength and the bending property of the plastic-wood composite material can be obviously improved by combining other components such as a compatilizer, a flexibilizer and a filler for blending and reinforcing, and the heat distortion temperature of the plastic-wood composite material is also obviously improved.
Claims (10)
1. The polypropylene plastic-wood composite material is characterized by being prepared from the following raw materials:
modified polypropylene, wood powder, inorganic filler, nano calcium carbonate, a compatilizer, a flexibilizer and an antioxidant;
the weight portion is:
2. the polypropylene plastic wood composite material as claimed in claim 1, wherein the polypropylene plastic wood composite material is prepared from the following raw materials in parts by weight:
3. the polypropylene plastic wood composite material as claimed in claim 1, wherein:
the modified polypropylene is glycidyl methacrylate grafted polypropylene, the polypropylene of the grafted monomer is homo-or copolymerized polypropylene, and the grafting rate of the glycidyl methacrylate monomer in the modified polypropylene is 3-4.5%.
4. The polypropylene plastic wood composite material as claimed in claim 1, wherein:
the particle size of the wood powder is 60-300 meshes.
5. The polypropylene plastic wood composite material as claimed in claim 4, wherein:
the particle size of the wood powder is 60-100 meshes.
6. The polypropylene plastic wood composite material as claimed in claim 1, wherein:
the particle size of the inorganic filler is 1-10 mu m, and the inorganic filler is selected from at least one of talcum powder, barium sulfate, calcium carbonate or montmorillonite.
7. The polypropylene plastic wood composite material as claimed in claim 1, wherein:
the particle size of the nano calcium carbonate is 0.01-0.1 mu m.
8. The polypropylene plastic wood composite material as claimed in claim 1, wherein:
the compatilizer is a polar monomer graft polymer, wherein the polymer is at least one of polyethylene and polypropylene, and the polar monomer is at least one of maleic anhydride and derivatives thereof, and acrylic acid and derivatives thereof.
9. The polypropylene plastic wood composite material as claimed in claim 1, wherein:
the toughening agent is selected from at least one of an ethylene-octene copolymer, a styrene-ethylene-butadiene-styrene copolymer, or a polar monomer grafted ethylene-octene copolymer or a styrene-ethylene-butadiene-styrene copolymer, wherein the polar monomer is selected from at least one of maleic anhydride and derivatives thereof, and acrylic acid and derivatives thereof.
10. A method for preparing the polypropylene plastic wood composite material according to any one of claims 1 to 9, which is characterized by comprising the following steps:
drying the wood powder, uniformly mixing the components according to the amount, and carrying out melt blending, extrusion and granulation at 190-210 ℃ to obtain the polypropylene plastic-wood composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137739.1A CN110964286A (en) | 2018-09-28 | 2018-09-28 | Polypropylene plastic-wood composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745623A (en) * | 2019-10-31 | 2021-05-04 | 中国石油化工股份有限公司 | Composition for preparing polypropylene plastic-wood composite material, composite material prepared from composition and application of composite material |
| CN114561065A (en) * | 2021-12-15 | 2022-05-31 | 金发科技股份有限公司 | Polypropylene composite material with biological inductivity and preparation method and application thereof |
| CN114437491B (en) * | 2020-10-20 | 2023-11-10 | 中国石油化工股份有限公司 | Polypropylene wood-plastic composite material and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060009556A1 (en) * | 2004-07-08 | 2006-01-12 | Mengshi Lu | High gloss PET molding composition and articles made therefrom |
| CN1850900A (en) * | 2006-05-23 | 2006-10-25 | 广东工业大学 | Composition for manufacturing polypropylene base wood-plastic composite material |
| JP2007211156A (en) * | 2006-02-10 | 2007-08-23 | Teijin Ltd | Resin composition improved in heat-resistance and mechanical property and its preparation method |
| CN101456933A (en) * | 2009-01-04 | 2009-06-17 | 上海大学 | Interfacial compatibilizer for wood-plastic composite material and preparation method thereof |
| CN101544794A (en) * | 2009-04-23 | 2009-09-30 | 华东理工大学 | Polypropylene composite material containing potassium titanate crystal whiskers and wood powder |
| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
| CN106279926A (en) * | 2016-08-31 | 2017-01-04 | 江苏巨力特塑业科技股份有限公司 | A kind of distiller grains powder wood plastic composite and preparation method thereof and a kind of wood plastics tray |
-
2018
- 2018-09-28 CN CN201811137739.1A patent/CN110964286A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060009556A1 (en) * | 2004-07-08 | 2006-01-12 | Mengshi Lu | High gloss PET molding composition and articles made therefrom |
| JP2007211156A (en) * | 2006-02-10 | 2007-08-23 | Teijin Ltd | Resin composition improved in heat-resistance and mechanical property and its preparation method |
| CN1850900A (en) * | 2006-05-23 | 2006-10-25 | 广东工业大学 | Composition for manufacturing polypropylene base wood-plastic composite material |
| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
| CN101456933A (en) * | 2009-01-04 | 2009-06-17 | 上海大学 | Interfacial compatibilizer for wood-plastic composite material and preparation method thereof |
| CN101544794A (en) * | 2009-04-23 | 2009-09-30 | 华东理工大学 | Polypropylene composite material containing potassium titanate crystal whiskers and wood powder |
| CN106279926A (en) * | 2016-08-31 | 2017-01-04 | 江苏巨力特塑业科技股份有限公司 | A kind of distiller grains powder wood plastic composite and preparation method thereof and a kind of wood plastics tray |
Non-Patent Citations (4)
| Title |
|---|
| MARIANO PRACELLA 等: "Functionalization, compatibilization and properties of polypropylene composites with Hemp fibres", 《COMPOSITES SCIENCE AND TECHNOLOGY》 * |
| 王文广: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
| 王颖: "聚丙烯-木纤维木塑复合材料的研究", 《皖西学院学报》 * |
| 陈国昌 等: "相容剂对聚丙烯/木粉复合材料的影响", 《塑料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745623A (en) * | 2019-10-31 | 2021-05-04 | 中国石油化工股份有限公司 | Composition for preparing polypropylene plastic-wood composite material, composite material prepared from composition and application of composite material |
| CN114437491B (en) * | 2020-10-20 | 2023-11-10 | 中国石油化工股份有限公司 | Polypropylene wood-plastic composite material and preparation method and application thereof |
| CN114561065A (en) * | 2021-12-15 | 2022-05-31 | 金发科技股份有限公司 | Polypropylene composite material with biological inductivity and preparation method and application thereof |
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