CN104231646B - The preparation method of a kind of high-intensity wood plastic composite and goods - Google Patents
The preparation method of a kind of high-intensity wood plastic composite and goods Download PDFInfo
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- CN104231646B CN104231646B CN201410429256.4A CN201410429256A CN104231646B CN 104231646 B CN104231646 B CN 104231646B CN 201410429256 A CN201410429256 A CN 201410429256A CN 104231646 B CN104231646 B CN 104231646B
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- methacrylic acid
- plastic composite
- butyl acrylate
- wood plastic
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- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 48
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 59
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 55
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 29
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007822 coupling agent Substances 0.000 claims abstract description 27
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 24
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000019394 potassium persulphate Nutrition 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- BEGBSFPALGFMJI-UHFFFAOYSA-N ethene;sodium Chemical group [Na].C=C BEGBSFPALGFMJI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 15
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 14
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 14
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 229920001577 copolymer Polymers 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 12
- 239000008240 homogeneous mixture Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- DJOWTWWHMWQATC-KYHIUUMWSA-N Karpoxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1(O)C(C)(C)CC(O)CC1(C)O)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C DJOWTWWHMWQATC-KYHIUUMWSA-N 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims 1
- 150000002576 ketones Chemical class 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 17
- 229920003023 plastic Polymers 0.000 description 13
- 239000004033 plastic Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 10
- 239000002023 wood Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 235000011149 sulphuric acid Nutrition 0.000 description 4
- 239000001117 sulphuric acid Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses the preparation method of a kind of high-intensity wood plastic composite, it comprises the following steps: (1) is by the following parts by weight each component of preparation: wooden powder: 20～60 parts；O-phthalic acid dibutyl ester: 5～15 parts；Titanate coupling agent: 1～4 part；Methacrylic acid: 1～2 part；Butyl acrylate: 1～2 part；Azodiisobutyronitrile: 0.5～1 part；Dehydrated alcohol: 20～30 parts；Lauryl mercaptan: 0.1～0.5 part；Polythene PE: 30～50 parts；Sodium ethylene diamine tetracetate: 1～5 part；Ferrous sulfate: 10～20 parts；Potassium peroxydisulfate: 1～5 part；Acetone: 20～30 parts；Fire retardant: 10～20 parts；(2) wooden powder is dried, and modified；(3) methacrylic acid, butyl acrylate copolymerization；(4) mixing；(5) pelletize compressing.The invention also discloses the goods prepared by the method.
Description
Technical field
The present invention relates to furniture manufacturing field, be specifically related to a kind of high intensity for manufacturing furniture
The preparation method of wood plastic composite, and the goods prepared by the method.
Background technology
Wood plastic composite (Wood-Plastic Composites, WPC) is the most fluffy
The class advanced composite material (ACM) that vigorous growth rises, refers to utilize polyethylene, polypropylene and polrvinyl chloride etc.,
Replace common resin adhesive, useless with the wood powder more than more than 50%, rice husk, straw etc. plant
Fibres is mixed into new wood materials, then through plastic processings such as extruding, mold pressing, injection mouldings
Technique, the sheet material produced or section bar.It is mainly used in the industries such as building materials, furniture, logistics packaging.
Through the sheet material of hot extrusion molding after plastics and wooden powder are mixed by a certain percentage, referred to as squeeze
Pressed wood plastic composite board.
The basis of wood plastic composite is high density polyethylene (HDPE) and wood fibre, determines himself
There is some characteristic of plastics and timber, such as:
1) good processing characteristics wood plastic composite includes plastics and fiber, therefore, has
With the processing characteristics that timber is similar, can saw, can follow closely, can dig, use carpenter's utensil can be complete
Become, and nail-holding ability is substantially better than other synthetic materials.Mechanical performance is better than wood materials.Hold nail
Power is usually 3 times of timber, is 5 times of particieboard.
2) good strength character wood plastic composite includes plastics, thus has preferable bullet
Property modulus.Additionally, due to including fiber warp are sufficiently mixed with plastics, thus have and hardwood
Suitable resistance to compression, the physical and mechanical properties such as counter-bending, and its ruggedness are substantially better than normal wood
Material.Case hardness is high, usually 2-5 times of timber.
3) there is water-fast, corrosion resistant performance, service life long Wood-plastic material and products thereof with timber phase
Ratio, can anti-strong acid-base, water-fast, corrosion-resistant, and not bacterial growth, be difficult to be damaged by worms, no
Long fungus.Service life was long, up to more than 50 years.
4) excellent adjustable performance passes through auxiliary agent, plastics can be polymerized, foam, solidify,
Modifications etc. change, thus change the characteristics such as the density of Wood-plastic material, intensity, it is also possible to reach anti-
Aging, antistatic, the particular/special requirement such as fire-retardant.
5) there is ultraviolet stability, coloring good.
6) its great advantage turns waste into wealth exactly, and can 100% reclaiming produce.Can decompose,
Do not result in " white pollution ", be real Green Product.
7) plastic raw materials of raw material sources widespread production wood plastic composite be mainly high density gather
Ethylene or polypropylene, wood fibre can be wood powder, bran coat or the wood fiber, further needs exist for few
Amount additive and other processing aids.
8) arbitrary shape and size can be made as required.
Along with the continuous research and development to wood plastic composite, the plastics producing wood plastic composite are former
Material, in addition to having high density polyethylene (HDPE) or polypropylene, also polrvinyl chloride and PS.Technique
Also second filial generation conical double screw extruder is developed into by single screw extrusion machine the earliest, then to by putting down
Row double screw extruder preliminary granulation, then by conical screw extrusion molding, can make up and be difficult to mould
Changing, ageing resistance is poor, creep resistance is poor, the concordance of color and persistency poor and hot strength
Low feature.
But, be currently used for furniture manufacturing field mostly is expendable wood plastic composite,
Cause the wasting of resources, cost virtual height.And some wood plastic composite, owing to mechanical strength is inadequate,
The correlation intensity requirement of furniture key structure part can not be met, the furniture poor-performing produced,
Service life is short, it is therefore desirable to improve the mechanical strength of Wood-plastic material targetedly.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of for Furniture manufacture,
Disclosure satisfy that furniture major mechanical intensive parameter demand, callable high-intensity wood plastic composite wood
The preparation method of material, and the goods prepared by the method.
The technical scheme that the present invention is used for achieving the above object is:
A kind of preparation method of high-intensity wood plastic composite, it comprises the following steps:
(1) by the following parts by weight each component of preparation:
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry carries out surface modification；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
(4) by modified wooden powder, methacrylic acid, butyl acrylate copolymer,
O-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate, fire-retardant
Agent and potassium peroxydisulfate, join in high-speed mixer, under 80～90 DEG C of temperature conditionss, and mixing
5～10min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 160-185 DEG C, and die head temperature is 165-205 DEG C.
Described step (2) specifically includes: by wooden powder in electric drying oven with forced convection,
It is dried 4 hours under 120 DEG C of temperature conditionss, and carries out defat and drying so that it is moisture content is little
In 0.2%, with acetone, titanate coupling agent is diluted to 20% (V/V), then by after dilution
Titanate coupling agent sprinkling processes wooden powder, is subsequently adding in high-speed mixer and carries out premixing
0.5h。
Step (3) specifically includes: to equipped with thermometer, reflux cool solidifying pipe and the appearance of agitator
In device, add methacrylic acid and butyl acrylate, and add dehydrated alcohol as solvent, stir
Mix after fully dissolving, be sequentially added into azodiisobutyronitrile and lauryl mercaptan, then will hold
Device is placed in thermostat water bath, under 70～90 DEG C of temperature conditionss, reacts 4～6h, obtains methyl
Acrylic acid, butyl acrylate copolymer.
Fire retardant described in step (1) be APP, tripolycyanamide and Bis(pentaerythritol) its
Middle one.
A kind of implementing high-intensity wood plastic composite prepared by described method, it is by by following weight
The component of number is made: modified wooden powder: 20～60 parts；O-phthalic acid dibutyl ester: 5～15
Part；Titanate coupling agent: 1～4 part；Methacrylic acid: 1～2 part；Butyl acrylate: 1～2
Part；Azodiisobutyronitrile: 0.5～1 part；Dehydrated alcohol: 20～30 parts；Lauryl mercaptan:
0.1～0.5 part；Polythene PE: 30～50 parts；Sodium ethylene diamine tetracetate: 1～5 part；Sulphuric acid
Ferrous: 10～20 parts；Potassium peroxydisulfate: 1～5 part；Acetone: 20～30 parts；Fire retardant: 10～20
Part prepares；Wherein, by wooden powder is dried, and with the titanate esters coupling prepared
Agent, carries out surface modification to dried wooden powder；With azodiisobutyronitrile and dodecyl
Mercaptan, carries out copolyreaction by methacrylic acid and butyl acrylate, obtain methacrylic acid,
Butyl acrylate copolymer；By modified wooden powder, methacrylic acid, butyl acrylate
Copolymer, o-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, sulphuric acid is sub-
Ferrum, fire retardant and potassium peroxydisulfate, join in high-speed mixer, 80～90 DEG C of temperature conditionss
Under, mix 5～10min；Above-mentioned homogeneous mixture is sent in parallel double-screw extruder melted
It is blended, carries out pelletize, and compressing, obtain recyclable high-intensity wood plastic composite.
Described extruder barrel temperature is 160-185 DEG C, and die head temperature is 165-205 DEG C.
Described methacrylic acid, butyl acrylate copolymer, specifically by equipped with thermometer, return
Flow in the container of cool solidifying pipe and agitator, add methacrylic acid and butyl acrylate, and add
Dehydrated alcohol after fully dissolving, is sequentially added into azodiisobutyronitrile and ten as solvent, stirring
Dialkyl group mercaptan, is then placed in container in thermostat water bath, under 70～90 DEG C of temperature conditionss,
Prepare after reaction 4～6h.
Described fire retardant is APP, tripolycyanamide and Bis(pentaerythritol) one of which.
The beneficial effect of the invention is: method is simple in present invention offer, and condition is easily controllable,
It is easy to industrialization, especially by the surface cohesive force pretreatment to wooden powder, adds it
With the bond strength of other components, make material overall mechanical strength increase by more than 30%, have simultaneously
It is beneficial to the recovery of material, recycling；Prepared composite, because adding wood powder
The surface bonding strength of material, makes material mechanical strength on the whole improve, and corrosion-resistant degree is strong, completely
Meet the mechanical strength needs that furniture key structure part manufactures, meanwhile, the composite of the present invention,
Can recycling, during reworking, the modified wood powder of high temperature lower surface is easily from other
Complete separating in component, it is simple to remanufacture, be conducive to economizing on resources and protecting environment.
Detailed description of the invention
Embodiment 1: the preparation method of the high-intensity wood plastic composite that the present embodiment provides, its
Comprise the following steps:
(1) by the following parts by weight each component of preparation:
Wherein said fire retardant is APP, tripolycyanamide and Bis(pentaerythritol) wherein
Kind；
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry carries out surface modification, to strengthen its surface adhesiveness energy；
Specifically by wooden powder in electric drying oven with forced convection, dry under 120 DEG C of temperature conditionss
Dry 4 hours, and carry out defat and drying so that it is moisture content is less than 0.2%, will with acetone
Titanate coupling agent is diluted to 20% (V/V), is then sprayed by the titanate coupling agent after dilution
Process wooden powder, be subsequently adding in high-speed mixer and carry out premixing 0.5h, its table can be strengthened
Face cohesive force more than 40%；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
Specifically to equipped with thermometer, reflux cool solidifying pipe and agitator container in, add methyl
Acrylic acid and butyl acrylate, and add dehydrated alcohol as solvent, stirring after fully dissolving,
It is sequentially added into azodiisobutyronitrile and lauryl mercaptan, then container is placed in thermostat water bath
In, under 70～90 DEG C of temperature conditionss, react 4～6h, obtain methacrylic acid, acrylic acid fourth
Ester copolymer；
(4) by the wooden powder after surface modification, methacrylic acid, butyl acrylate copolymerization
Thing, o-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate,
Fire retardant and potassium peroxydisulfate, join in high-speed mixer, under 80～90 DEG C of temperature conditionss,
Mixing 5～10min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 160-185 DEG C, and die head temperature is 165-205 DEG C, prepares high-intensity wood plastic
Composite.
A kind of implementing high-intensity wood plastic composite prepared by said method, it is by by following weight
The component of number is made: modified wooden powder: 20～60 parts；O-phthalic acid dibutyl ester: 5～15
Part；Titanate coupling agent: 1～4 part；Methacrylic acid: 1～2 part；Butyl acrylate: 1～2
Part；Azodiisobutyronitrile: 0.5～1 part；Dehydrated alcohol: 20～30 parts；Lauryl mercaptan:
0.1～0.5 part；Polythene PE: 30～50 parts；Sodium ethylene diamine tetracetate: 1～5 part；Sulphuric acid
Ferrous: 10～20 parts；Potassium peroxydisulfate: 1～5 part；Acetone: 20～30 parts；Fire retardant: 10～20
Part prepares；Wherein, by wooden powder is dried, and with the titanate esters coupling prepared
Agent, carries out surface modification to dried wooden powder；With azodiisobutyronitrile and dodecyl
Mercaptan, carries out copolyreaction by methacrylic acid and butyl acrylate, obtain methacrylic acid,
Butyl acrylate copolymer；By modified wooden powder, methacrylic acid, butyl acrylate
Copolymer, o-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, sulphuric acid is sub-
Ferrum, fire retardant and potassium peroxydisulfate, join in high-speed mixer, 80～90 DEG C of temperature conditionss
Under, mix 5～10min；Above-mentioned homogeneous mixture is sent in parallel double-screw extruder melted
It is blended, carries out pelletize, and compressing, obtain recyclable high-intensity wood plastic composite.
Described extruder barrel temperature is 160-185 DEG C, and die head temperature is 165-205 DEG C.
Described methacrylic acid, butyl acrylate copolymer, specifically by equipped with thermometer, return
Flow in the container of cool solidifying pipe and agitator, add methacrylic acid and butyl acrylate, and add
Dehydrated alcohol after fully dissolving, is sequentially added into azodiisobutyronitrile and ten as solvent, stirring
Dialkyl group mercaptan, is then placed in container in thermostat water bath, under 70～90 DEG C of temperature conditionss,
Prepare after reaction 4～6h.
Described fire retardant is APP, tripolycyanamide and Bis(pentaerythritol) one of which.
Embodiment 2: the preparation method of the high-intensity wood plastic composite that the present embodiment provides and system
Product, its step and component are substantially the same manner as Example 1, and its difference is: it include with
Lower step:
(1) by the following parts by weight each component of preparation:
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry carries out surface modification；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
(4) by modified wooden powder, methacrylic acid, butyl acrylate copolymer,
O-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate, poly-phosphorus
Acid ammonium and potassium peroxydisulfate, join in high-speed mixer, under 80 DEG C of temperature conditionss, mixes 5
min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 160 DEG C, and die head temperature is 165 DEG C.
Described step (2) specifically includes: by wooden powder in electric drying oven with forced convection,
It is dried 4 hours under 120 DEG C of temperature conditionss, and carries out defat and drying so that it is moisture content is little
In 0.2%, with acetone, titanate coupling agent is diluted to 20% (V/V), then by after dilution
Titanate coupling agent sprinkling processes wooden powder, is subsequently adding in high-speed mixer and carries out premixing
0.5h。
Step (3) specifically includes: to equipped with thermometer, reflux cool solidifying pipe and the appearance of agitator
In device, add methacrylic acid and butyl acrylate, and add dehydrated alcohol as solvent, stir
Mix after fully dissolving, be sequentially added into azodiisobutyronitrile and lauryl mercaptan, then will hold
Device is placed in thermostat water bath, under 70 DEG C of temperature conditionss, reacts 4h, obtains metering system
Acid, butyl acrylate copolymer.
A kind of implementing high-intensity wood plastic composite prepared by described method, it is by by following weight
The component of number: wooden powder: 20 parts；O-phthalic acid dibutyl ester: 5 parts；Titanate esters is even
Connection agent: 1 part；Methacrylic acid: 1 part；Butyl acrylate: 1 part；Azodiisobutyronitrile:
0.5 part；Dehydrated alcohol: 20 parts；Lauryl mercaptan: 0.1 part；Polythene PE: 30 parts；
Sodium ethylene diamine tetracetate: 1 part；Ferrous sulfate: 10 parts；Potassium peroxydisulfate: 1 part；Acetone:
20 parts；APP: 10 parts prepare；Wherein, by wooden powder is dried, and
With the titanate coupling agent prepared, dried wooden powder is modified；With azo two
Isopropyl cyanide and lauryl mercaptan, carry out copolyreaction by methacrylic acid and butyl acrylate,
Obtain methacrylic acid, butyl acrylate copolymer；By modified wooden powder, methyl-prop
Olefin(e) acid, butyl acrylate copolymer, o-phthalic acid dibutyl ester, polythene PE, ethylenediamine
Tetraacethyl sodium, ferrous sulfate, APP and potassium peroxydisulfate, join in high-speed mixer,
Under 80 DEG C of temperature conditionss, mix 5min；Above-mentioned homogeneous mixture is sent into parallel double-screw
Melt blending in extruder, carries out pelletize, and compressing, obtains recyclable high-intensity wood plastic
Composite.Described extruder barrel temperature is 160 DEG C, and die head temperature is 165 DEG C.
Embodiment 3: the preparation method of the high-intensity wood plastic composite that the present embodiment provides and system
Product, its step and component are essentially identical with embodiment 1,2, and its difference is:
A kind of preparation method of high-intensity wood plastic composite, it comprises the following steps:
(1) by the following parts by weight each component of preparation:
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry is modified；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
(4) by modified wooden powder, methacrylic acid, butyl acrylate copolymer,
O-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate, trimerization
Cyanamide and potassium peroxydisulfate, join in high-speed mixer, under 85 DEG C of temperature conditionss, mixes 8
min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 170 DEG C, and die head temperature is 190 DEG C.
Described step (2) specifically includes: by wooden powder in electric drying oven with forced convection,
It is dried 4 hours under 120 DEG C of temperature conditionss, and carries out defat and drying so that it is moisture content is little
In 0.2%, with acetone, titanate coupling agent is diluted to 20% (V/V), then by after dilution
Titanate coupling agent sprinkling processes wooden powder, is subsequently adding in high-speed mixer and carries out premixing
0.5h。
Step (3) specifically includes: to equipped with thermometer, reflux cool solidifying pipe and the appearance of agitator
In device, add methacrylic acid and butyl acrylate, and add dehydrated alcohol as solvent, stir
Mix after fully dissolving, be sequentially added into azodiisobutyronitrile and lauryl mercaptan, then will hold
Device is placed in thermostat water bath, under 80 DEG C of temperature conditionss, reacts 5h, obtains metering system
Acid, butyl acrylate copolymer.
A kind of implementing high-intensity wood plastic composite prepared by described method, it is by by following weight
The component of number: wooden powder: 45 parts；O-phthalic acid dibutyl ester: 10 parts；Titanate esters
Coupling agent: 2 parts；Methacrylic acid: 1.2 parts；Butyl acrylate: 1.3 parts；Azo two is different
Butyronitrile: 0.7 part；Dehydrated alcohol: 24 parts；Lauryl mercaptan: 0.3 part；Polythene PE:
40 parts；Sodium ethylene diamine tetracetate: 3 parts；Ferrous sulfate: 15 parts；Potassium peroxydisulfate: 4 parts；
Acetone: 27 parts；Tripolycyanamide: 15 parts prepare；Wherein, by wooden powder is done
Dry, and with the titanate coupling agent prepared, dried wooden powder is modified；With
Azodiisobutyronitrile and lauryl mercaptan, carry out copolymerization by methacrylic acid and butyl acrylate
Reaction, obtains methacrylic acid, butyl acrylate copolymer；By modified wooden powder,
Methacrylic acid, butyl acrylate copolymer, o-phthalic acid dibutyl ester, polythene PE,
Sodium ethylene diamine tetracetate, ferrous sulfate, tripolycyanamide and potassium peroxydisulfate, join mixed at high speed
In machine, under 85 DEG C of temperature conditionss, mix 8min；Above-mentioned homogeneous mixture is sent into parallel
Melt blending in double screw extruder, carries out pelletize, and compressing, obtains recyclable high-strength
Degree wood plastic composite.Described extruder barrel temperature is 170 DEG C, and die head temperature is 190 DEG C.
Embodiment 4: the preparation method of the high-intensity wood plastic composite that the present embodiment provides and system
Product, its step and component are essentially identical with embodiment 1,2,3, and its difference is:
A kind of preparation method of high-intensity wood plastic composite, it comprises the following steps:
(1) by the following parts by weight each component of preparation:
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry is modified；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
(4) by modified wooden powder, methacrylic acid, butyl acrylate copolymer,
O-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate, double seasons
Penta tetrol and potassium peroxydisulfate, join in high-speed mixer, under 90 DEG C of temperature conditionss, mixed
Close 10min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 185 DEG C, and die head temperature is 205 DEG C.
Described step (2) specifically includes: by wooden powder in electric drying oven with forced convection,
It is dried 4 hours under 120 DEG C of temperature conditionss, and carries out defat and drying so that it is moisture content is little
In 0.2%, with acetone, titanate coupling agent is diluted to 20% (V/V), then by after dilution
Titanate coupling agent sprinkling processes wooden powder, is subsequently adding in high-speed mixer and carries out premixing
0.5h。
Step (3) specifically includes: to equipped with thermometer, reflux cool solidifying pipe and the appearance of agitator
In device, add methacrylic acid and butyl acrylate, and add dehydrated alcohol as solvent, stir
Mix after fully dissolving, be sequentially added into azodiisobutyronitrile and lauryl mercaptan, then will hold
Device is placed in thermostat water bath, under 90 DEG C of temperature conditionss, reacts 6h, obtains metering system
Acid, butyl acrylate copolymer.
A kind of implementing high-intensity wood plastic composite prepared by described method, it is by by following weight
The component of number: wooden powder: 60 parts；O-phthalic acid dibutyl ester: 15 parts；Metatitanic acid
Ester coupling agent: 4 parts；Methacrylic acid: 2 parts；Butyl acrylate: 2 parts；Azo two
Isopropyl cyanide: 1 part；Dehydrated alcohol: 30 parts；Lauryl mercaptan: 0.5 part；Polyethylene
PE:50 part；Sodium ethylene diamine tetracetate: 5 parts；Ferrous sulfate: 20 parts；Potassium peroxydisulfate:
5 parts；Acetone: 30 parts；Bis(pentaerythritol): 20 parts prepare；Wherein, by wooden
Powder is dried, and with the titanate coupling agent prepared, enters dried wooden powder
Row modification；With azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid fourth
Ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；By modified
Wooden powder, methacrylic acid, butyl acrylate copolymer, o-phthalic acid dibutyl ester, poly-
Ethylene PE, sodium ethylene diamine tetracetate, ferrous sulfate, Bis(pentaerythritol) and potassium peroxydisulfate, add
Enter in high-speed mixer, under 90 DEG C of temperature conditionss, mix 10min；By above-mentioned uniformly
Mixture sends into melt blending in parallel double-screw extruder, carries out pelletize, and compressing,
Obtain recyclable high-intensity wood plastic composite.Described extruder barrel temperature is 185 DEG C, mould
Head temperature is 205 DEG C.
The Wood-plastic material of the present invention, recycling number of times is up to 5～10 times, and hot strength reaches
30MPa～35MPa, promotes 10～15% than normal wood moulding material, and impact strength reaches 12
kJ/m2～18kJ/m2, improve 30～40% than normal wood moulding material impact strength.
But the foregoing is only the preferable possible embodiments of the present invention, and be not used to limit to the present invention
The scope of the claims, therefore step, component and the application described in all utilization present invention other implement
Example, and the equivalence change made, be all contained in protection scope of the present invention.
Claims (7)
1. the preparation method of a high-intensity wood plastic composite, it is characterised in that it includes
Following steps:
(1) by the following parts by weight each component of preparation:
(2) wooden powder is dried, and with the titanate coupling agent prepared, to dry
Wooden powder after dry carries out surface modification；
(3) with azodiisobutyronitrile and lauryl mercaptan, by methacrylic acid and acrylic acid
Butyl ester carries out copolyreaction, obtains methacrylic acid, butyl acrylate copolymer；
(4) by modified wooden powder, methacrylic acid, butyl acrylate copolymer,
O-phthalic acid dibutyl ester, polythene PE, sodium ethylene diamine tetracetate, ferrous sulfate, fire-retardant
Agent and potassium peroxydisulfate, join in high-speed mixer, under 80～90 DEG C of temperature conditionss, and mixing
5～10min；
(5) above-mentioned homogeneous mixture is sent into melt blending in parallel double-screw extruder, enter
Row pelletize, and compressing, obtain recyclable high-intensity wood plastic composite, wherein, extrusion
Machine barrel zone temperature is 160-185 DEG C, and die head temperature is 165-205 DEG C.
The preparation method of high-intensity wood plastic composite the most according to claim 1, its
Being characterised by, described step (2) specifically includes: by wooden powder at electric drying oven with forced convection
In, it is dried 4 hours under 120 DEG C of temperature conditionss, and carries out defat and drying so that it is contain
Water rate is less than 0.2%, with acetone, titanate coupling agent is diluted to percent by volume 20%, so
After will dilution after titanate coupling agent sprinkling process wooden powder, be subsequently adding high-speed mixer
In carry out premixing 0.5h.
The preparation method of high-intensity wood plastic composite the most according to claim 1, its
Being characterised by, step (3) specifically includes: to equipped with thermometer, reflux cool solidifying pipe and stirring
In the container of device, add methacrylic acid and butyl acrylate, and add dehydrated alcohol as molten
Agent, stirring, after fully dissolving, is sequentially added into azodiisobutyronitrile and lauryl mercaptan, so
After container is placed in thermostat water bath, under 70～90 DEG C of temperature conditionss, react 4～6h,
To methacrylic acid, butyl acrylate copolymer.
The preparation method of high-intensity wood plastic composite the most according to claim 1, its
Being characterised by, the fire retardant described in step (1) is APP, tripolycyanamide and double season penta
Tetrol one of which.
5. the high-intensity wood plastic composite that prepared by the described method of one of Claims 1 to 4,
It is characterized in that, it is made by by the component of following parts by weight: wooden powder: 20～60 parts；
Dioctyl phthalate: 5～15 parts；Titanate coupling agent: 1～4 part；Methacrylic acid:
1～2 part；Butyl acrylate: 1～2 part；Azodiisobutyronitrile: 0.5～1 part；Dehydrated alcohol:
20～30 parts；Lauryl mercaptan: 0.1～0.5 part；Polythene PE: 30～50 parts；Second two
Amine tetraacethyl sodium: 1～5 part；Ferrous sulfate: 10～20 parts；Potassium peroxydisulfate: 1～5 part；Third
Ketone: 20～30 parts；Fire retardant: 10～20 parts.
High-intensity wood plastic composite the most according to claim 5, it is characterised in that
Described methacrylic acid, butyl acrylate copolymer, specifically by equipped with thermometer, reflux cool
In the container of solidifying pipe and agitator, add methacrylic acid and butyl acrylate, and add anhydrous
Ethanol after fully dissolving, is sequentially added into azodiisobutyronitrile and dodecane as solvent, stirring
Base mercaptan, is then placed in container in thermostat water bath, under 70～90 DEG C of temperature conditionss, instead
Prepare after answering 4～6h.
High-intensity wood plastic composite the most according to claim 5, it is characterised in that
Described fire retardant is APP, tripolycyanamide and Bis(pentaerythritol) one of which.
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| CN105082303B (en) * | 2015-03-27 | 2017-08-08 | 西南林业大学 | A kind of preparation method of high-intensity wood plastic composite |
| CN105949580A (en) * | 2016-06-22 | 2016-09-21 | 刘莹莹 | Waterproof anti-seepage wood-plastic material and preparation method thereof |
| CN106084400A (en) * | 2016-06-23 | 2016-11-09 | 刘莹莹 | A kind of with fibrous reinforcement Wood-plastic material and preparation method thereof |
| CN106009170A (en) * | 2016-06-23 | 2016-10-12 | 刘莹莹 | Flame-retardant wood-plastic material and preparation method thereof |
| CN105968504A (en) * | 2016-06-23 | 2016-09-28 | 刘莹莹 | Heat-insulting wood-plastic material and preparation method thereof |
| CN106117702A (en) * | 2016-06-23 | 2016-11-16 | 刘莹莹 | A kind of antioxidation Wood-plastic material and preparation method thereof |
| CN105860230A (en) * | 2016-06-23 | 2016-08-17 | 刘莹莹 | Antibacterial anticorrosive wood-plastic material and preparation method thereof |
| CN105860232A (en) * | 2016-06-23 | 2016-08-17 | 刘莹莹 | High-strength impact resistant wood-plastic material and preparation method thereof |
| CN105885180A (en) * | 2016-06-23 | 2016-08-24 | 刘莹莹 | Polyamide-modified wood-plastic composite and preparation method thereof |
| CN105860231A (en) * | 2016-06-23 | 2016-08-17 | 刘莹莹 | Hard anti-crack wood plastic material and preparation method thereof |
| CN106336599A (en) * | 2016-08-28 | 2017-01-18 | 桐乡市美意家具有限公司 | Wood-plastic furniture material and preparation method thereof |
| CN108752961A (en) * | 2018-06-26 | 2018-11-06 | 阜南县永兴工艺品有限公司 | A kind of rattan plaited Wood-plastic material of excellent in mechanical performance |
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| CN101812236A (en) * | 2010-04-02 | 2010-08-25 | 惠东美新塑木型材制品有限公司 | Long glass fiber reinforced plastic wood composite section and preparation method thereof |
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| CN101885231A (en) * | 2009-05-15 | 2010-11-17 | 上海交福新材料科技有限公司 | Preparation method of fully-degradable polymer wood plastic composite |
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| CN101885231A (en) * | 2009-05-15 | 2010-11-17 | 上海交福新材料科技有限公司 | Preparation method of fully-degradable polymer wood plastic composite |
| CN101812236A (en) * | 2010-04-02 | 2010-08-25 | 惠东美新塑木型材制品有限公司 | Long glass fiber reinforced plastic wood composite section and preparation method thereof |
| CN101831112A (en) * | 2010-05-14 | 2010-09-15 | 金发科技股份有限公司 | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof |
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