CN107602970A - Application of the xylose residue in Wood-plastic material is prepared - Google Patents
Application of the xylose residue in Wood-plastic material is prepared Download PDFInfo
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- CN107602970A CN107602970A CN201710674278.0A CN201710674278A CN107602970A CN 107602970 A CN107602970 A CN 107602970A CN 201710674278 A CN201710674278 A CN 201710674278A CN 107602970 A CN107602970 A CN 107602970A
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Abstract
The invention discloses application of the xylose residue in Wood-plastic material is prepared, and it includes 5~80 parts of xylose residue, 1~40 part of lignin, 20~60 parts of thermoplastic, 2~80 parts of mineral matter powder, 2~10 parts of anti-impact modifier.Compared with prior art, the present invention prepares Wood-plastic material using xylose residue, without using biomass such as wood powder, powder of straw, can make full use of industrial xylose production waste material, both have economy, the more feature of environmental protection.And the Wood-plastic material prepared using xylose residue possesses more excellent mechanical property, heat endurance and resistance to UV aging, and remote superstate standard, disclosure satisfy that the market demand.
Description
Technical field
The invention belongs to field of compound material, and in particular to application of the xylose residue in Wood-plastic material is prepared.
Background technology
Wood plastic composite is using wood-fibred or string as key component, is allowed to by pretreatment and thermoplastic resin
A kind of or new material that other materials are combined.The remaining discarded wood chip amount of China's annual timber processing millions of tons with
On, other natural fibers such as rice chaff etc. reaches up to ten million tons, and waste or used plastics total amount reaches nearly hundred million tons, and wood moulding is effective by these waste and scraps
Ground uses, and produces huge economic and social profit.Compared with timber, same to tropism, weatherability and the dimensionally stable of wood moulding
Property it is good, product be not afraid of moth, not raw fungi, it is not hygroscopic, deformation, good mechanical property is more robust, have it is hard, tough, resistance to
Long, the advantages that wear-resisting, and plus the various additives of application, the various properties of wood plastic composite are imparted again, with plastics
Compare, it is applied to various timber processing modes, and surface is easy to decorate, and can print, paint, spraying, the processing such as overlay film, environmental protection
Performance is good, can produce a variety of colors entirety wood grain product and one color product.
At present, plant wood fibre is the main constituents in wood moulding production, is ground extensively on using species
Study carefully and apply, what is be commonly used has bamboo powder, powdered rice hulls etc., and this also solves the application problem of agricultural wastes, while also protects
Environment.But in the production process of xylose, there is substantial amounts of xylose residue discarded object not used fully every year.Xylose residue
Be corncob, bagasse, bamboo scraps etc. after low-kappa number, extract remaining residue after xylose.With the wooden fibre of other plants
Dimension element is compared, and the avicel cellulose in xylose residue is higher (as shown in table 1) with content of lignin, and this can improve Wood-plastic material
Physical property, mechanical property (such as impact strength, tensile property), while anti-ultraviolet ageing effect also significantly improves.
Table 1
| Cellulose/% | Hemicellulose/% | Lignin/% | Ash content/% | |
| Bamboo powder | 37.31 | 20.09 | 24.34 | 12 |
| Poplar Powder | 43.51 | 28.80 | 24.39 | 0.48 |
| Powder of straw | 32.38 | 25.35 | 16.27 | 19.97 |
| Xylose residue | 45.34 | 4.23 | 40.09 | 8.67 |
Therefore xylose residue is the very good material of Wood-plastic material, has extensive market application foreground.Application to xylose residue
Investigated, Chinese patent 201610834634 discloses the process that a kind of xylose residue prepares sheet material, by drying, crushes
Xylose residue mixed with phenolic resin glue, then bed board press obtains xylose residue sheet material, but xylose residue sheet material and Wood-plastic material
It is the very big material of two kinds of differences.And the Patents and report using xylose residue production Wood-plastic material are had no at present.This patent
Plant lignocellulose raw material is replaced with xylose residue, wood plastic composite is made using corresponding production technology, xylose residue is entered
Effective utilization is gone.
The content of the invention
The technical problem to be solved in the present invention is to provide application of the xylose residue in Wood-plastic material is prepared, to solve existing skill
The problem of xylose residue is not fully utilized existing for art.
The present invention also technical problems to be solved are to provide the method that xylose residue is pre-processed.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
Application of the xylose residue in Wood-plastic material is prepared.
Wherein, described Wood-plastic material also comprises the following components：
Thermoplastic, mineral matter powder, lubricant, plasticizer, anti-impact modifier.
Further, the parts by weight of the Wood-plastic material each component are as follows：
Wherein, optimization formula is as follows：20 parts of xylose residue, 50 parts of thermoplastic, 25 parts of mineral matter powder, 1.5 parts of lubricant,
2 parts of plasticizer, 8 parts of anti-impact modifier.
Wherein, described Wood-plastic material also comprises the following components：Heat stabilizer, coupling agent or lignin and modification are wooden
Element.
Wherein, the parts by weight of each component are as follows：
Wherein, it is 0 during the number difference of heat stabilizer, coupling agent and lignin and modified lignin resin.
Further, the parts by weight of the Wood-plastic material each component are as follows：
A. lignin and modified lignin resin are contained：
Wherein, optimization formula is as follows：3 parts of 15 parts of xylose residue, lignin and modified lignin resin, 50 parts of thermoplastic, ore deposit
25 parts of material powder, 1.2 parts of lubricant, 5 parts of plasticizer, 6 parts of anti-impact modifier.
B. heat stabilizer is contained：
Wherein, optimization formula is as follows：4 parts of 25 parts of xylose residue, lignin and modified lignin resin, 50 parts of thermoplastic, ore deposit
16 parts of material powder, 1 part of lubricant, 3 parts of plasticizer, 7 parts of anti-impact modifier, 5 parts of heat stabilizer.
C. coupling agent is contained：
Wherein, optimization formula is as follows：4 parts of 20 parts of xylose residue, lignin and modified lignin resin, 50 parts of thermoplastic, ore deposit
25 parts of material powder, 1.1 parts of lubricant, 4 parts of plasticizer, 6 parts of anti-impact modifier, 3 parts of coupling agent
D. heat stabilizer and lignin and modified lignin resin are contained：
Further, optimization formula is 25 parts of xylose residue, 2.5 parts of lignin, 50 parts of thermoplastic, mineral matter powder 15
Part, 0.8 part of lubricant, 2 parts of plasticizer, 8 parts of anti-impact modifier, 4 parts of heat stabilizer.
E. coupling agent and lignin and modified lignin resin are contained：
Further, optimization formula be 15 parts of xylose residue, 3 parts of lignin, 50 parts of thermoplastic, 20 parts of mineral matter powder,
1 part of lubricant, 2 parts of plasticizer, 8 parts of anti-impact modifier, 3 parts of coupling agent.
F. heat stabilizer and coupling agent are contained
Wherein optimization formula is as follows：30 parts of xylose residue, 55 parts of thermoplastic, 35 parts of mineral matter powder, 2 parts of lubricant, increasing
Mould 4 parts of agent, 4 parts of anti-impact modifier, 3 parts of coupling agent, 4.5 parts of heat stabilizer.
G. heat stabilizer, coupling agent and lignin and modified lignin resin are contained
Wherein optimization formula is as follows：5 parts of 25 parts of xylose residue, lignin and modified lignin resin, 55 parts of thermoplastic, mineral
35 parts of matter powder, 2 parts of lubricant, 4 parts of plasticizer, 4 parts of anti-impact modifier, 3 parts of coupling agent, 4.5 parts of heat stabilizer.
Wherein, described Wood-plastic material may also include the auxiliary materials such as coloring agent and light stabilizer.
Wherein, described thermoplastic be polyethylene, polypropylene, polyvinyl chloride, polystyrene, acrylonitrile-butadiene-
In styrol copolymer, polycarbonate resin, polyamide, biodegradable plastic PBAT and phenolic resin any one or a few
Combination.
Wherein, described mineral matter powder is carbonate mineral matter powder, Sulfates mineral matter powder, carbon black, metal oxidation
Any one or a few combination in thing, metal powder, silicon-containing compound and fiber quasi-mineral powder.
Wherein,
Carbonate mineral matter powder is powdered whiting, precipitated calcium carbonate and activated Calcium carbonate；
Sulfates mineral matter powder is barium sulfate, calcium sulfate, lithopone；
Metal oxide is aluminum oxide, iron oxide, zinc oxide, manganese oxide, magnesia, iron oxide；
Metal powder is aluminium, bronze, zinc, ketone, lead；
Silicon-containing compound is talcum powder；
Fiber quasi-mineral powder is glass fibre, carbon fiber, boron fibre, asbestos fibre.
Wherein, described lubricant is Tissuemat E, stearic acid, calcium stearate, zinc stearate, polyol ester, oleic acid acyl
One or more mixtures in amine, microcrystalline wax, atoleine, ethylene bis stearamide EBS.
Wherein,
Polyol ester is glyceride, pentaerythritol ester, sucrose ester.
Wherein, described plasticizer is dioctyl phthalate, terephthalic acid (TPA) dibutyl ester, phosphate, chlorinated paraffin
With any one or a few the combination in petroleum ester.
Wherein,
Phosphate is triethyl phosphate, tributyl phosphate；
Petroleum ester is benzene sulfonamide acid phenenyl ester.
Wherein, described anti-impact modifier is predetermined elasticity build impact modifying agent, the modification of non-predetermined elastomehc impact
Agent, any one or a few the combination crossed in degree type impact modifying agent and rubber-like anti-impact modifier；
Wherein,
Predetermined elasticity build impact modifying agent is Methacrylate-butadiene-styrene MBS, esters of acrylic acid
Modifier A CR, high resiliency acrylonitrile-butadiene-styrene copolymer ABS, tenacity acrylic's esters modification agent ACR；
Non-predetermined elastomeric-type impact modifying agent is haloflex CPE, ethylene-vinyl acetate copolymer EVA；
Degree type impact modifying agent is crossed as SBS SBS, acrylonitrile-styrene-fourth
Diene copolymers ABS；
Rubber-like anti-impact modifier is EP rubbers, ethylene propylene diene rubber, butyronitrile EP rubbers.
Wherein, described heat stabilizer be tribasic lead sulfate, it is two basic lead sulfites, zinc stearate, cadmium stearate, hard
Any one or a few group in resin acid lead, calcium stearate, organic tin stabilizer, environmentally friendly calcium zinc and complex lead salt stabilizer
Close.
Wherein,
The preferred dibutyl tin laurate of organic tin heat stabilizer, Bis(lauroyloxy)dioctyltin, maleic acid dibutyl
Tin or di-n-octyl diyl tin.
Wherein, described coupling agent is macromolecular coupling agent and/or small molecule coupling agent；Wherein, described macromolecular is even
Connection agent is maleic anhydride, acrylic acid, maleic anhydride inoculated polypropylene, maleic anhydride grafted polyethylene, maleic anhydride grafting polychlorostyrene
Ethene, maleic anhydride grafted polystyrene, acrylic acid-grafted polypropylene, acrylic acid-grafted polyethylene, acrylic acid-grafted polychlorostyrene second
Any one or a few combination in alkene and acrylic acid-grafted polystyrene；Described small molecule coupling agent is silane coupled
Any one or a few combination in agent, titanate coupling agent and isocyanates.
Wherein,
Silane coupler is N- (aminoethyls of β mono-)-γ-aminopropyl front three (second) TMOS KH-792, γ-metering system
Acryloxypropylethoxysilane trimethoxy silane KH-570, γ-glycidyl ether oxygen propyl trimethoxy silicane KH-560 and γ-aminopropyl
Triethoxysilane KH-550；
Titanate coupling agent is isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, (the dioctyl phosphoric acid of isopropyl three
Acyloxy) titanate esters, the oleic acid acyloxy of isopropyl two (dioctyl phosphoric acid acyloxy) titanate esters, monoalkoxy unrighted acid
Titanate esters, plant acid type monoalkoxy class titanate esters, pyrophosphoric acid type monoalkoxy class titanate esters, phosphatic type monoalkoxy class metatitanic acid
Ester, compound monoalkoxy class titanate esters, butyl titanate coupling agent.
Wherein, described lignin is enzymolysis xylogen, papermaking lignin, alkali lignin, organic solvent lignin and wood
Any one or a few combination in mahogany sulfonate；Described modified lignin resin is acylation, esterification, etherificate, phenolate, alkyl
In enzymolysis xylogen, papermaking lignin, alkali lignin, organic solvent lignin and lignosulfonates after change or demethylation
Any one or a few combination.
Wherein, in the lignin and modified lignin resin in formula, lignin and modified lignin resin can be mixed with arbitrary proportion.
The preparation method of above-mentioned Wood-plastic material, it comprises the following steps：
(1) take xylose residue that cleaning is diluted with water, and rinsed with alkali to neutrality, is dehydrated, drying is standby after crushing；
(2) by the xylose residue of formula ratio, lignin and modified lignin resin, thermoplastic, mineral matter powder, lubricant, increasing
Modeling agent and anti-impact modifier are placed in mixer and are sufficiently mixed；
(3) mixed material in step (2) is added in screw extruder, Wood-plastic material is prepared.
In step (2), heat stabilizer or coupling agent can be collectively disposed in mixer with other components and are sufficiently mixed.
In step (2), described being sufficiently mixed refer to first using 800~1000rpm rotating speed mix to temperature as 115~
130 DEG C, then mixed with 100~500rpm rotating speed to less than 60 DEG C.
Wherein, the process for being warming up to 115~130 DEG C is only that the temperature that stirring is brought rises, in the absence of external heat situation；
During being cooled to less than 60 DEG C, because being passed through cold water and rotating speed reduction, the reduction of temperature result in.
In the mixed process, high temperature batch mixing is first carried out so that each component can be sufficiently mixed, and when high temperature, be had
A little materials can be mutually grafted；Low temperature batch mixing is carried out again so that the temperature of material reduces, and otherwise temperature is too high, to material property
It is stable etc. to have an impact
In step (3), the method for Wood-plastic material, which is prepared, to be included direct extrusion molding method and is first granulated extrusion molding again
Method.
Wherein, it is acid stronger because residual acid is more contained by xylose residue, and contain certain silt, therefore can not directly make
With, otherwise screw rod etc. can be caused corrosion etc. destroy.
Xylose residue pretreatment operation comprises the following steps that in step (1)：
A. depickling is cleaned：Take xylose residue, add appropriate water to dilute cleaning, ceaselessly stirring and washing remove silt with it is corresponding
Acid；
B. plus alkali neutralizes：Rinsed, washed to neutrality with alkali, and most moisture is removed with dehydration device；Wherein,
Described alkali is the aqueous solution of calcium hydroxide, sodium hydroxide, barium hydroxide, magnesium hydroxide, aluminium hydroxide or iron hydroxide, its
In, the preferably calcium hydroxide aqueous solution.
C. drying and crushing：Dry in drying device, then it is crushed with pulverizer, it is standby.
After being handled using the above method xylose residue, after resulting residual acid is concentrated, can circulate again makes
Preparation for xylose.
Beneficial effect：
Compared with prior art, the present invention has following advantage：
The present invention provides a kind of new method for effective utilize of xylose residue.Due to having been sloughed during xylose production easily
The hemicellulose of water suction, the content of lignin is added, and lignin has good UVResistant effect etc., hence in so that with xylose
Slag increases for the physical property of raw material preparation wood moulding, mechanical property, heat endurance, anti-ultraviolet ageing positive effect；In addition, at this
In inventive method, lignin and modified lignin resin can be further added by addition, further increase wood plastic composite mechanical property,
Anti-aging and UVResistant effect.Also, the remaining residual acid of the processing method of the invention to xylose residue, which can also concentrate, to be reused,
Be advantageous to environmental protection；And the calcium hydroxide added in pre-processing and residual acid reaction generation calcium sulfate, related filling can be replaced
Thing (such as calcium carbonate, calcium sulfate, talcum powder), and the hardness of calcium sulfate is low, is damaged than calcium carbonate, talcum powder etc. to caused by machine
Wound is low, is advantageous to extend the service life of machine.
Embodiment
Embodiment 1：
Raw material：20 parts drying xylose residues (300 mesh), 50 parts of polyethylene, 25 parts of nano-calcium carbonates, 0.7 part of calcium stearate,
0.8 part of Tissuemat E, 2 parts of dioctyl phthalates, 8 parts of acrylate copolymers.
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in double-screw extruding pelletizing machine and is granulated；
(3) extrusion profile, the raw material grain made is added in single screw extrusion machine, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 2：
Raw material：The xylose residue (80 mesh) of 15 parts of drying, 3 parts of enzymolysis xylogens, 50 parts of polyethylene, 25 parts of glass fibres, 0.5
Part calcium stearate, 0.7 part of atoleine, 5 parts of dioctyl phthalates, 6 parts of haloflex CPE
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in parallel double-screw extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 3：
Raw material：55 parts drying xylose residues (100 mesh), 5 parts of lignosulfonates, 60 parts of polypropylene, 30 parts of asbestos fibres,
2 parts of zinc stearates, 3 parts of Tissuemat Es, 10 parts of maleic anhydride inoculated polypropylenes, 3 parts of chlorinated paraffins, 2 parts of ethylene-vinyl acetates
Copolymer
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 4：
Raw material：25 parts drying xylose residues (70 mesh), 4 parts of alkali lignins, 50 parts of polyvinyl chloride, 16 parts of talcum powder, 0.6 part
Atoleine, 0.4 part of glyceride, 3 parts of acrylate copolymers, 7 parts of haloflexes, 5 parts of calcium-zinc composite stabilizing agents
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in double-screw extruding pelletizing machine and is granulated；
(3) extrusion profile, the raw material grain made is added in single screw extrusion machine, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 5：
Raw material：The xylose residue (90 mesh) of 25 parts of drying, 2.5 parts of enzymolysis xylogens, 50 parts of polyvinyl chloride, 15 parts of calcium sulfate, 4
Part compound lead stabilizer, 0.4 part of stearic acid, 0.4 part of Tissuemat E, 2 parts of o-phthalic acid dibutyl esters, 6 parts of haloflexes
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 6：
Raw material：25 parts drying xylose residues (120 mesh), 5 parts of enzymolysis xylogens, 55 parts of polyvinyl chloride, 35 parts receive barium sulfate,
4.5 parts of Environment-friendlycalcium calcium zinc stabilizers, 1 part of stearic acid, 1 part of Tissuemat E, 4 parts of acrylate copolymers, 4 parts of haloflexes, 3 parts
Butyl titanate coupling agent
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in parallel bar extruding granulator and is granulated；
(3) extrusion profile, the raw material grain made is added in conical-double -helical rod extruder, is equipped with the discharging opening of screw socket
The mould of given shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, after mould is flowed through into
Type, then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into
Product.
Embodiment 7：
Raw material：30 parts of the xylose residue (80 mesh) of drying, 55 parts of polyvinyl chloride, 35 parts of nano-calcium carbonates, 1 part of stearic acid, 1 part
Tissuemat E, 3 parts of ammonia maleic anhydride grafted polystyrenes, 4.5 parts of compound lead stabilizers, 4 parts of dioctyl phthalates, 4 parts
Acrylate copolymer
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 8：
Raw material：Xylose residue (80 mesh), 4 parts of enzymolysis xylogens, 20 parts of polystyrene, the 30 parts of acrylic nitrile-butadienes of 20 parts of drying
Diene-styrene copolymer, 25 parts of carbon fibers, 0.6 part of zinc stearate, 0.5 part of Tissuemat E, 4 parts of triethyl phosphates, 6 parts of chlorine
Change polyethylene, 3 parts of maleated polyethylenes
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 9：
Raw material：Xylose residue (80 mesh), 5 parts of ligninsulfonates, 20 parts of polyethylene, 20 biodegradable plastics of 60 parts of drying
PBAT, 40 parts of asbestos fibres, 4 parts of zinc stearates, 4 parts of Tissuemat Es, 2 parts of isocyanates, 2 parts of benzene sulfonamide acid phenenyl esters
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in double-screw extruding pelletizing machine and is granulated；
(3) extrusion profile, the raw material grain made is added in single screw extrusion machine, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 10：
Raw material：The xylose residue (100 mesh) of 15 parts of drying, 3 parts of enzymolysis xylogens, 50 parts of polycarbonate resins, 20 parts of nano-sized carbons
Sour calcium, 0.4 part of stearic acid, 0.6 part of Tissuemat E, 2 parts of dioctyl phthalates, 8 parts of haloflexes, 3 parts of fourths of metatitanic acid four
Ester coupling agent
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 11：
Raw material：50 parts drying xylose residues (100 mesh), 5 parts of enzymolysis xylogens, 50 parts of polyamide, 50 parts of zinc oxide, 2 parts
Stearic acid, 3 parts of Tissuemat Es, 10 parts of gamma-aminopropyl-triethoxy-silanes, 3 parts of chlorinated paraffins, 4 parts of acrylate copolymers
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) to mix 12 minutes so that temperature of charge reaches 120 DEG C, and then low speed (200rpm) is mixed
Close 10 minutes, mixed material is transported in cold mixer and carries out cold mixed, material cooling water in cold mixer is cooled, and is treated
Temperature is less than 90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in double-screw extruding pelletizing machine and is granulated；
(3) extrusion profile, the raw material grain made is added in single screw extrusion machine, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Embodiment 12：
Raw material：The xylose residue (100 mesh) of 70 parts of drying, 8 parts of enzymolysis xylogens, 40 parts of polypropylene, 40 parts of phenolic resin, 40
Part receives boron fibre, 2 parts of stearic acid, 3 parts of glyceride, 10 parts of butyl titanate coupling agents, 6 parts of acrylate copolymers
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) to mix 20 minutes so that temperature of charge reaches 120 DEG C, and then low speed (150rpm) is mixed
Close 10 minutes, mixed material is transported in cold mixer and carries out cold mixed, material cooling water in cold mixer is cooled, and is treated
Temperature is less than 90 DEG C, discharging；
(2) extrusion profile, mixed material is added in conical-double -helical rod extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Comparative example 1：
Raw material：The bamboo powders (80 mesh) of 20 parts of drying, 5 parts of enzymolysis xylogens, 40 parts of polyethylene, 20 parts of glass fibres, 2 parts it is hard
Resin acid calcium, 3 parts of atoleines, 10 parts of gamma-aminopropyl-triethoxy-silanes, 2 parts of triethyl phosphates, 3 parts of haloflexes
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) extrusion profile, mixed material is added in parallel double-screw extruder, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Comparative example 2：
Raw material：The powder of straw (70 mesh) of 30 parts of drying, 6 parts of alkali lignins, 60 parts of polypropylene, 30 parts of talcum powder, 3 parts of liquid
Paraffin, 3 parts of glyceride, 10 parts of butyl titanate coupling agents, 3 parts of acrylate copolymers
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in double-screw extruding pelletizing machine and is granulated；
(3) extrusion profile, the raw material grain made is added in single screw extrusion machine, be equipped with the discharging opening of screw socket specific
The mould of shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, are flowing through mould aftershaping,
Then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into finished product.
Comparative example 3：
Raw material：40 parts drying powdered rice hulls (120 mesh), 5 parts of enzymolysis xylogens, 60 parts of polyvinyl chloride, 30 parts receive barium sulfate,
3 parts of stearic acid, 4 parts of Tissuemat Es, 5 parts of acrylate copolymers
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in parallel bar extruding granulator and is granulated；
(3) extrusion profile, the raw material grain made is added in conical-double -helical rod extruder, is equipped with the discharging opening of screw socket
The mould of given shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, after mould is flowed through into
Type, then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into
Product.
Comparative example 4：
Raw material：30 parts drying powder of straw (100 mesh), 5 parts of enzymolysis xylogens, 50 parts of polyamide, 20 parts of calcium carbonate, 2 parts
Stearic acid, 3 parts of Tissuemat Es, 6 parts of gamma-aminopropyl-triethoxy-silanes, 3 parts of chlorinated paraffins, 4 parts of acrylate copolymers
Manufacture method includes following technique：
(1) mixed material, batch mixing is divided into heat and mixes cold mixed two stages, hot mixed first, is added each raw material according to ratio
Enter high speed mixer high speed (800rpm) and mix to temperature to reach 120 DEG C, then low speed (200rpm), which is mixed to temperature, is less than
90 DEG C, discharging；
(2) feed particles are manufactured, the raw material mixed is inserted in parallel bar extruding granulator and is granulated；
(3) extrusion profile, the raw material grain made is added in conical-double -helical rod extruder, is equipped with the discharging opening of screw socket
The mould of given shape, material are in molten condition at high temperature under high pressure, enter mould from the entrance of mould, after mould is flowed through into
Type, then shaped through cooling water in water-carrying groove, finally draw and move ahead in the presence of hauling machine, according to required length, be sawn into
Product.
Grinding process is carried out to the surface of above-mentioned composite material section bar product.According to GB/T24508-2009《Wood moulding
Plate》Performance inspection is carried out with comparative example product to the xylose residue wood plastic composite of above-described embodiment with GB/T16422.3-2014
Survey, testing result is as shown in table 2.
Table 2
Test result indicates that being compared to bamboo powder, powder of straw, wood powder, with the Wood-plastic material prepared by xylose residue, it is related
Lifted in performance.Main cause is probably that hemicellulose is stripped of in xylose residue, the content increase of lignin.It is wherein wooden
Element has all been lifted for the physical property of Wood-plastic material, mechanical property, heat endurance, anti-ultraviolet ageing, and higher than country
Index request in standard, disclosure satisfy that the market demand.
Claims (17)
1. application of the xylose residue in Wood-plastic material is prepared.
2. application according to claim 1, it is characterised in that described Wood-plastic material also comprises the following components：
Thermoplastic, mineral matter powder, lubricant, plasticizer, anti-impact modifier.
3. application according to claim 2, it is characterised in that described Wood-plastic material, the parts by weight of each component are as follows：
4. application according to claim 2, it is characterised in that described Wood-plastic material also comprise the following components in it is any
One or more of combinations：
Heat stabilizer, coupling agent or lignin and modified lignin resin.
5. application according to claim 4, it is characterised in that the parts by weight of each component are as follows：
Wherein, it is 0 during the number difference of heat stabilizer, coupling agent and lignin and modified lignin resin.
6. application according to claim 2, it is characterised in that described thermoplastic is polyethylene, polypropylene, polychlorostyrene
Ethene, polystyrene, acrylonitrile-butadiene-styrene copolymer, polycarbonate resin, polyamide, biodegradable plastic PBAT and
Any one or a few combination in phenolic resin.
7. application according to claim 2, it is characterised in that described mineral matter powder is carbonate mineral matter powder, sulphur
Any one in hydrochlorate quasi-mineral powder, carbon black, metal oxide, metal powder, silicon-containing compound and fiber quasi-mineral powder
Or several combination.
8. application according to claim 2, it is characterised in that described lubricant is Tissuemat E, stearic acid, stearic acid
In calcium, zinc stearate, polyol ester, oleamide, microcrystalline wax, atoleine and ethylene bis stearamide any one or
Several combinations.
9. application according to claim 2, it is characterised in that described plasticizer is dioctyl phthalate, to benzene
Any one or a few combination in dioctyl phthalate dibutyl ester, phosphate, chlorinated paraffin and petroleum ester.
10. application according to claim 2, it is characterised in that described anti-impact modifier rushes for predetermined elasticity build
Hit any in modifying agent, non-predetermined elastomehc impact modifier, mistake degree type impact modifying agent and rubber-like anti-impact modifier
One or more of combinations.
11. application according to claim 4, it is characterised in that described heat stabilizer is tribasic lead sulfate, two alkali formulas
Lead sulfite, zinc stearate, cadmium stearate, lead stearate, calcium stearate, organic tin heat stabilizer, environmentally friendly calcium zinc and compound
Any one or a few combination in lead salt stabilizer.
12. application according to claim 4, it is characterised in that described described coupling agent be macromolecular coupling agent and/
Or small molecule coupling agent；Wherein, described macromolecular coupling agent is maleic anhydride, acrylic acid, maleic anhydride inoculated polypropylene, horse
Maleic anhydride grafted polyethylene, maleic anhydride grafted polyvinyl chloride, maleic anhydride grafted polystyrene, acrylic acid-grafted polypropylene,
Any one or a few group in acrylic acid-grafted polyethylene, acrylic acid-grafted polyvinyl chloride and acrylic acid-grafted polystyrene
Close；Described small molecule coupling agent is any one or a few in silane coupler, titanate coupling agent and isocyanates
Combination.
13. application according to claim 4, it is characterised in that described lignin is enzymolysis xylogen, papermaking is wooden
Any one or a few combination in element, alkali lignin, organic solvent lignin and lignosulfonates；Described innovation wood
Quality be acylation, esterification, etherificate, phenolate, alkylation or demethylation after enzymolysis xylogen, papermaking lignin, alkali lignin,
Any one or a few combination in organic solvent lignin and lignosulfonates.
14. application according to claim 2, it is characterised in that described Wood-plastic material is prepared as follows to obtain：
(1) take xylose residue that cleaning is diluted with water, and rinsed with alkali to neutrality, is dehydrated, drying is standby after crushing；
(2) xylose residue, thermoplastic, mineral matter powder, lubricant, plasticizer and the anti-impact that are treated in step (1) are clicked to change
Property agent, which is placed in mixer, to be sufficiently mixed；
(3) mixed material in step (2) is added in screw extruder, Wood-plastic material is prepared.
15. application according to claim 14, it is characterised in that in step (2), by heat stabilizer, coupling agent or wooden
Element and modified lignin resin are collectively disposed in mixer with other components and are sufficiently mixed.
16. application according to claim 14, it is characterised in that in step (2), described being sufficiently mixed refer to first with
It is 115~130 DEG C that 800~1000rpm rotating speed, which is mixed to temperature, then is mixed with 100~500rpm rotating speed to less than 60 DEG C.
17. application according to claim 14, it is characterised in that in step (3), the method bag of Wood-plastic material is prepared
Include direct extrusion molding method and be first granulated extrusion moulding again.
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| CN106189326A (en) * | 2016-08-04 | 2016-12-07 | 南京工业大学 | Furfural dregs application in preparing Wood-plastic material |
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