CN109735129A - A kind of ecological wood-plastic material and preparation method thereof - Google Patents

A kind of ecological wood-plastic material and preparation method thereof Download PDF

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CN109735129A
CN109735129A CN201811553556.8A CN201811553556A CN109735129A CN 109735129 A CN109735129 A CN 109735129A CN 201811553556 A CN201811553556 A CN 201811553556A CN 109735129 A CN109735129 A CN 109735129A
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plastic material
wood
added
plant fiber
lubricant
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方映杰
游和求
陈建平
游一兰
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Crane Boom Manufacturing Method
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Abstract

The invention discloses a kind of ecological wood-plastic material, each component including following mass percentage: papermaking waste 40-50%, plant fiber powder 12-15%, calcium sulfate 10-15%, auxiliary material 15-20%, lubricant 2-3%, tung oil 3-8%, calcium phosphate 2-5%.Also contain tung oil, discovery tung oil and lubricant in raw material of the invention and calcium phosphate acts synergistically, so that lubricant has good antioxidation, lubricant can be made preferably to play a role, obtained Wood-plastic material performance is more excellent.And calcium sulfate and calcium phosphate are added to wood plastic composite obtained in the raw materials such as plant fiber, plastics with good water resistance.

Description

A kind of ecological wood-plastic material and preparation method thereof
Technical field
The invention belongs to Wood-plastic material technical fields, and in particular to a kind of ecological wood-plastic material and preparation method thereof.
Background technique
Wood plastic composite production technology is constantly brought forth new ideas and is developed both at home and abroad at present, and wood plastic product is in every profession and trade, each field In be used widely.In the case where the forest reserves are increasingly in short supply, the research and development and application of wood plastic composite meet China The fundamental realities of the country, may advantageously facilitate the saving and sustainable development of the forest reserves, low-carbon, ecology, environmental protection, and resource circulation utilization becomes Epoch trend.Wood plastic composite can make full use of the respective advantage of plastics and timber to eliminate their many by modification Inherent defect, had not only overcome that strength of wood is low and variability etc. is using limitation, but also low modulus for overcoming organic material etc. lacks Point has mechanical property more better than single macromolecule polymeric material, can give full play to compound the advantages of using different materials, change Into the physical and mechanical property and processing performance of material.As a kind of environment-friendly material, before wood-plastic products have wide market Scape.
But two big primary raw material plastics and wood fibre as wood plastic composite, compatibility between the two compared with Difference, especially wood fibre quality itself affect the density and intensity of final products;Early period, product was easy to generate quality not , the physical property gap at each position is larger, and there are formaldehyde for the obtained Wood-plastic material of existing raw material and preparation method Burst size is exceeded, intensity is low, the defect of poor water resistance.
Summary of the invention
That there are burst size of methanal the purpose of the present invention is overcoming Wood-plastic material existing in the prior art is exceeded, intensity is low, The defect of poor water resistance, it is low to provide a kind of production cost, excellent in mechanical performance, the ecological wood-plastic material of ecological, environmental protective and its preparation Method.
The present invention provides a kind of ecological wood-plastic material, each component including following mass percentage: papermaking waste 40- 50%, plant fiber powder 12-15%, calcium sulfate 10-15%, auxiliary material 15-20%, lubricant 2-3%, tung oil 3-8%, phosphorus Sour calcium 2-5%.
Preferably, ecological wood-plastic material includes each component of following mass percentage: papermaking waste 45%, and plant is fine Tie up powder 13%, calcium sulfate 12%, auxiliary material 18%, lubricant 2%, tung oil 6%, calcium phosphate 4%.
Preferably, the water content of the plant fiber powder is 3-4%.
Preferably, the partial size of the plant fiber powder is 80-120 mesh.
Preferably, the auxiliary material includes following component and the mass percentage for each accounting for the total component of Wood-plastic material: Monoglyceride: 1%, modifying agent: 2-3%, zeolite powder: 5-8%, conch meal 3-5%, coupling agent: 1-2%, toner: 1-2%, antioxygen Agent: 0.1-0.5%, UV resistant agent: 0.3-0.5%, mould inhibitor 0.1-0.5%.
Preferably, the auxiliary material the preparation method is as follows: by monoglyceride, zeolite powder, conch meal and modifying agent high speed Mixing, is modified at 80-120 DEG C, coupling agent then is added at 100 DEG C, is stirred, be cooled to 60 DEG C of addition colors Powder, antioxidant, UV resistant agent and mould inhibitor are uniformly mixed, obtain auxiliary material.
The preparation method of the ecological wood-plastic material, comprising the following steps:
1) the dry straw of recycling is ground into plant fiber powder, auxiliary material is added in plant fiber powder, heated It to 120-140 DEG C, is sufficiently mixed using mixing machine, calcium sulfate is then added and is uniformly mixed, obtains mixture;
2) papermaking waste crushing is fragmentated, lubricant and tung oil is added at 50-60 DEG C, it is sufficiently mixed using mixing machine It closes, is then warming up at 100-120 DEG C, the mixture of step 1) preparation is added, then cools to 80-90 DEG C of addition calcium phosphate and fills Divide mixing, 60 DEG C or less are cooled to after mixing and obtains mixture;
3) mixture for obtaining step 2) is placed in dual-screw pelletizer and is granulated, screw speed 250-300r/ Min, feeding revolving speed 300-400r/min, obtains particle;
4) particle is added twin-screw extrude into carry out extrusion molding, obtains ecological wood-plastic material.
Preferably, the papermaking waste the preparation method comprises the following steps:
1) waste sludge from paper mill is crushed, removes the iron in broken slag charge;
2) will be separated in sink-float separation potcher except the slag charge after iron, wherein the substance for floating on upper layer be plastic waste and The mixture of paper pulp, upper layer substance obtain waste plastics piece I and both the broken film of plastics and paper pulp after film cleaning machine cleans Mixture, the mixture of both the broken film of plastics and paper pulp passes through isolated paper pulp and waste plastics;
3) waste plastics piece I further crushes, and waste plastics piece II and the broken film of plastics are obtained after film cleaning machine cleans With both paper pulp mixture, the mixture of both the broken film of plastics and paper pulp passes through isolated paper pulp and waste plastics;
4) after waste plastics piece II separates in sink-float separation potcher, the substance for floating on upper layer is cleaned by film cleaning machine After obtain waste plastics;
5) step 2), 3) and 4) obtain waste plastics mixing be papermaking waste.
In the preparation method of papermaking waste of the present invention, the step 1) iron removed in broken slag charge is using forever Deironing device removes the metal in waste sludge from paper mill, and the magnetic intensity of the permanent-magnetic iron expeller is 8000-15000 Gauss.
In the preparation method of papermaking waste of the present invention, by 120mm's after the step 1) waste sludge from paper mill is broken Sieve sieving.
In the preparation method of papermaking waste of the present invention, step 2) is mixed with both 3) the broken film of the plastics and paper pulp It closes object to separate by paper-plastic separator, the pulp-water isolated is granulated by filtering, tiny plastics by twin-screw, and paper pulp is made Paper.
Sink-float separation potcher of the present invention is the model of Wuxi Di Geman Environmental Protection Technology Co., Ltd supply PX2500-11。
The supply of paper-plastic separator position of the present invention Linyi Hong Xin plastics machinery Co., Ltd.
Film cleaning machine of the present invention is the model FFW8030 of Wuxi Di Geman Environmental Protection Technology Co., Ltd supply.
Modifying agent of the present invention is polyol ester polymerization process modifying agent JL-M01, is Nanjing Jin Laiwang plastic cement technology Co., Ltd's supply.
Coupling agent of the present invention is vinyltriethoxysilane, γ-aminopropyl triethoxysilane or metering system One of acryloxypropylethoxysilane trimethoxy silane.
Mould inhibitor of the present invention be 2- (Extraction kinetics sulfydryl) benzothiazole, 3- iodo -2-propynyl formic acid butylamine, One of 3- iodo -2-propynyl formic acid butylamine is a variety of.
Ultraviolet absorbing agent of the present invention is benzophenone series ultraviolet absorbing agent.
Toner of the present invention is one of carbon black, iron oxide, titanium dioxide or a variety of.
Lubricant of the present invention is any one of stearic acid, calcium stearate and atoleine.
Eight areas by the setting of feedstock direction sequence, the temperature point in each area are shared in heretofore described dual-screw pelletizer It does not control are as follows: 160-180 DEG C of an area, 165-185 DEG C of 2nd area, 170-200 DEG C of 3rd area, 220-260 DEG C of 4th area, five area 220-260 DEG C, 220-260 DEG C of 6th area, 160-180 DEG C of 7th area, 160-180 DEG C of 8th area.
Four areas by the setting of feedstock direction sequence, the temperature point in each area are shared in heretofore described double screw extruder It does not control are as follows: 180-190 DEG C of an area, 180-200 DEG C of 2nd area, 200-210 DEG C of 3rd area, 200-210 DEG C of 4th area.
Existing Wood-plastic material is largely especially wood fibre itself matter using plastics and wood fibre as primary raw material Ground affects the density and toughness of final products;And the compatibility of plastics and wood fibre is poor, and early period, product was easy to produce Raw quality is uneven, the biggish defect of physical property gap at each position;The present invention pass through many experiments, finally select tung oil, Lubricant and calcium phosphate etc. are used as its adjuvant, tung oil are added before plastics and wood fibre are unmixed, the production finally obtained The uniformity and comprehensive performance of product are outstanding.
The present invention uses papermaking waste for raw material, replaces polyolefin plastics, has sufficiently achieved the innoxious benefit of waste With having many advantages, such as that environmental protection, economy, raw material sources are extensive, both largely consume papermaking waste, solve Wood-plastic material Raw material sources, reduce production cost, solve papermaking waste pollution environment technical problem, greatly driven green ring The industry in guarantor field upgrades.
Auxiliary material of the invention includes monoglyceride, modifying agent, zeolite powder, conch meal, coupling agent, toner, antioxidant, is resisted Ultraviolet light agent and mould inhibitor, wherein conch meal, zeolite powder have excellent adsorption function because of its special porous structure, can The harmful substances such as formaldehyde adsorption can also eliminate bad smell, they, which act synergistically, can be improved the adsorption capacity of formaldehyde, significantly Reduce the burst size of formaldehyde, additionally it is possible to which the harmful substance in Adsorption air, conch meal also have excellent bacteria mildew-proof function Effect.Also have in the prior art and conch meal and zeolite powder is added, but is all directly to mix zeolite powder, conch meal with wood fibre Be modified again afterwards, as in number of patent application CN201810441612.2 talcum powder, conch meal directly with wood powder, ramie it is fine Dimension, calcite in powder, talcum powder, diatomite, sepiolite powder, pine needle meal and naringenin are pulverized and mixed into powder;By powder, hokutolite High-speed mixer premix is added in powder, titanium dioxide and coupling agent, and polyethylene, polypropylene, ABS plastic, compatilizer and steady are added later Determine agent mixing.Because the compatibility of talcum powder and conch meal and plastics is poor, using the above method to talcum powder, conch meal and wood Matter fiber is modified jointly, and modified effect is poor, the poor compatibility of talcum powder and conch meal and plastics, in the plastic cannot be good Dispersion, mutual effect is weaker, talcum powder and conch meal be it is simple mixed with plastics, do not give full play to its work With.
Conch meal and zeolite powder of the invention before being mixed with plastics and plant fiber, first be added monoglyceride, modifying agent, Coupling agent is individually modified, then is mixed with plant fiber, the inventor of the present application discovered that such preparation method is modified Conch meal and zeolite powder are other than having the function of formaldehyde adsorption, and the two, which cooperates with, also has good reinforcing effect, and existing skill Zeolite powder and conch meal role are the work of adsorption-decomposition function formaldehyde in art such as number of patent application CN201810444761.4 With, do not refer to its also to Wood-plastic material have the effect of enhancing.
Calcium sulfate and calcium phosphate are added in the application collectively as the modified filler of Wood-plastic material, in the prior art only by sulphur Sour calcium is individually used for the filler (such as number of patent application CN201810125316.1) of wood plastic composite, and the present invention passes through research It was found that calcium sulfate and calcium phosphate are added to wood plastic composite obtained in the raw materials such as plant fiber, plastics with good water-fast Property, although calcium sulfate crystal whiskers have been used as filler in Wood-plastic material, there is no calcium phosphate is used for Wood-plastic material now It is middle to use as filler, more Wood-plastic material is used for by both calcium sulfate and calcium phosphate are compound without appearance.And it is known that phosphorus The chemical and physical features of sour calcium are different from calcium sulfate, and calcium sulfate crystal whiskers and magnesium sulfate crystal whisker can be used as composite material Modified filler, it can therefore be concluded that is mainly worked is sulfate radical, the influence of calcium ion is smaller, then the skill of this field Art personnel, which will recognize that with other sulfate whiskers, to be replaced calcium sulfate or is used in conjunction with calcium sulfate, and is difficult to expect seeking Other calcium salts are looked for, therefore those skilled in the art is difficult to expect calcium phosphate being used for Wood-plastic material according to the application of calcium sulfate In.
Tung oil is a kind of excellent band dry vegetable oil, and with fast drying, light specific gravity, glossiness is good, adhesive force is strong, resistance to The characteristics such as hot, acidproof, alkaline-resisting, anti-corrosion, antirust, non-conductive, it is widely used.It is the primary raw material of manufacture paint, ink, largely As building, machinery, weapons, car and boat, fishing gear, the waterproof of electric appliance, anti-corrosion, antirusting paint, and can make oilcloth, oilpaper, soap, Pesticide and pharmaceutical nauseant, agrochemical.But tung oil has no application, the original of the application in Wood-plastic material field at present Also contain tung oil in material, and it was found that tung oil and lubricant and calcium phosphate act synergistically, so that lubricant has good resist Oxidation can make lubricant preferably play a role, and obtained Wood-plastic material performance is more excellent.
The beneficial effects of the present invention are:
1, also contain tung oil in the raw material of the application, and it was found that tung oil and lubricant and calcium phosphate act synergistically, and make Obtaining lubricant has good antioxidation, lubricant can be made preferably to play a role, obtained Wood-plastic material performance is more It is excellent.
2, calcium sulfate and calcium phosphate are added to wood obtained in the raw materials such as plant fiber, plastics by research discovery by the present invention Plastic composite materials have good water resistance.
3, the present invention uses papermaking waste for raw material, replaces polyolefin plastics, has sufficiently achieved the innoxious of waste It utilizes, has many advantages, such as that environmental protection, economy, raw material sources are extensive.
4, Wood-plastic material provided by the invention can also Adsorption formaldehyde, reduce Form aldehyde release, using wood of the invention Plastic composite materials carry out interior decoration, and the environment for being more suitable work and life can be built for people.
5, production method of the present invention is relatively simple, can give full play to the comprehensive performance of calcium sulfate, to reach composite material Expected modified performance, improve the dispersibility of calcium sulfate in the composite, enhance its compatibility between polymer substrate And interfacial bond strength.
Specific embodiment
A specific embodiment of the invention is described further below with reference to embodiment, is not therefore limited the invention to Within the scope of the embodiment described.
Embodiment 1
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 50%, plant fiber powder 15%, calcium sulfate 10%, auxiliary material 15%, liquid paraffin 2%, tung oil 3%, calcium phosphate 5%;The auxiliary material Including following component and respective mass percentage: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 5%, conch meal 3%, second Alkenyl triethoxysilane coupling agent: 1%, iron oxide: 2%, three (2,4- di-t-butyl) phenyl-phosphite antioxidant: 0.5%, Benzophenone series ultraviolet absorbing agent: 0.4%, 3- iodo -2-propynyl formic acid butylamine mould inhibitor 0.1%.The auxiliary material The preparation method is as follows: monoglyceride, zeolite powder, conch meal and modifying agent mixed at high speed are modified, then at 100 DEG C Coupling agent is added at 100 DEG C, is stirred, is cooled to 60 DEG C of additions toner, antioxidant, UV resistant agent and mould inhibitors, mixes It closes uniformly, obtains auxiliary material.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 4%, and partial size is 120 mesh plant fiber powders are added auxiliary material in plant fiber powder, are heated to 130 DEG C, are sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant and paulownia is added at 60 DEG C Oil is sufficiently mixed using mixing machine, is then warming up at 120 DEG C, and the mixture of step 1) preparation is added, then cools to 85 DEG C Calcium phosphate is added to be sufficiently mixed, 60 DEG C or less are cooled to after mixing and obtains mixture;3) mixture for obtaining step 2) is placed in It is granulated in dual-screw pelletizer, screw speed 300r/min, feeding revolving speed 300r/min obtains particle;4) by particle Carry out extrusion molding is added twin-screw extrude, ecological wood-plastic material is obtained.
Embodiment 2
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 45%, plant fiber powder 13%, calcium sulfate 12%, auxiliary material 18%, stearic acid lubricant 2%, tung oil 6%, calcium phosphate 4%;The auxiliary material packet Include following component and respective mass percentage: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 8%, conch meal 3%, methyl Acryloyloxypropyltrimethoxysilane coupling agent: 2%, carbon black: 1%, three (2,4- di-t-butyl) phenyl-phosphite antioxygens Agent: 0.1%, benzophenone series ultraviolet absorbing agent: 0.5%, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor 0.4%. The preparation method of auxiliary material such as embodiment 1.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 3%, and partial size is 100 mesh plant fiber powders are added auxiliary material in plant fiber powder, are heated to 140 DEG C, are sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant and paulownia is added at 55 DEG C Oil is sufficiently mixed using mixing machine, is then warming up at 110 DEG C, and the mixture of step 1) preparation is added, then cools to 90 DEG C Calcium phosphate is added to be sufficiently mixed, 60 DEG C or less are cooled to after mixing and obtains mixture;3) mixture for obtaining step 2) is placed in It is granulated in dual-screw pelletizer, screw speed 250r/min, feeding revolving speed 400r/min obtains particle;4) by particle Carry out extrusion molding is added twin-screw extrude, ecological wood-plastic material is obtained.
Embodiment 3
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 40%, plant fiber powder 12%, calcium sulfate 15%, auxiliary material 20%, calcium stearate lubricant 3%, tung oil 8%, calcium phosphate 2%;The auxiliary material Including following component and respective mass percentage: monoglyceride: 1%, modifying agent: 3%, zeolite powder: 7%, conch meal 5%, γ-aminopropyl triethoxysilane coupling agent: 1.5%, titanium dioxide: 1.5%, three (2,4- di-t-butyl) phenyl-phosphites are anti- Oxygen agent: 0.2%, benzophenone series ultraviolet absorbing agent: 0.3%, 3- iodo -2-propynyl formic acid butylamine mould inhibitor 0.5%.It is auxiliary Help the preparation method such as embodiment 1 of raw material.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 3.5%, partial size For 80 mesh plant fiber powders, auxiliary material is added in plant fiber powder, is heated to 120 DEG C, is sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant and paulownia is added at 50 DEG C Oil is sufficiently mixed using mixing machine, is then warming up at 100 DEG C, and the mixture of step 1) preparation is added, then cools to 80 DEG C Calcium phosphate is added to be sufficiently mixed, 60 DEG C or less are cooled to after mixing and obtains mixture;3) mixture for obtaining step 2) is placed in It is granulated in dual-screw pelletizer, screw speed 300r/min, feeding revolving speed 350r/min obtains particle;4) by particle Carry out extrusion molding is added twin-screw extrude, ecological wood-plastic material is obtained.
Comparative example 1
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 50%, plant fiber powder 15%, calcium sulfate 15%, auxiliary material 18%, stearic acid lubricant 2%;The auxiliary material includes following component and respective matter Amount percentage composition: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 8%, conch meal 3%, methacryloxypropyl front three Oxysilane coupling agent: 2%, carbon black: 1%, three (2,4- di-t-butyl) phenyl-phosphite antioxidant: 0.1%, benzophenone series Ultraviolet absorbing agent: 0.5%, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor 0.4%.The preparation method of auxiliary material is such as Embodiment 1.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 3%, and partial size is 100 mesh plant fiber powders are added auxiliary material in plant fiber powder, are heated to 140 DEG C, are sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant is added at 55 DEG C, benefit Be sufficiently mixed, be then warming up at 110 DEG C with mixing machine, be added step 1) preparation mixture, be cooled to after mixing 60 DEG C with Under obtain mixture;3) mixture for obtaining step 2) is placed in dual-screw pelletizer and is granulated, screw speed 250r/ Min, feeding revolving speed 400r/min, obtains particle;4) particle is added twin-screw extrude into carry out extrusion molding, obtains ecology Wood-plastic material.
Comparative example 2
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 47%, plant fiber powder 15%, calcium sulfate 12%, auxiliary material 18%, stearic acid lubricant 2%, tung oil 6%;The auxiliary material includes following component And respective mass percentage: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 8%, conch meal 3%, methacryloxy Propyl trimethoxy silicane coupling agent: 2%, carbon black: 1%, three (2,4- di-t-butyl) phenyl-phosphite antioxidant: 0.1%, two Benzophenone system ultraviolet absorbing agent: 0.5%, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor 0.4%.The system of auxiliary material Preparation Method such as embodiment 1.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 3%, and partial size is 100 mesh plant fiber powders are added auxiliary material in plant fiber powder, are heated to 140 DEG C, are sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant and paulownia is added at 55 DEG C Oil is sufficiently mixed using mixing machine, is then warming up at 110 DEG C, and the mixture of step 1) preparation is added, is cooled to 60 after mixing DEG C or less obtain mixture;3) mixture for obtaining step 2) is placed in dual-screw pelletizer and is granulated, and screw speed is 250r/min, feeding revolving speed 400r/min, obtains particle;4) particle is added twin-screw extrude into carry out extrusion molding, obtained To ecological wood-plastic material.
Comparative example 3
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 48%, plant fiber powder 14%, calcium sulfate 14%, auxiliary material 18%, stearic acid lubricant 2%, calcium phosphate 4%;The auxiliary material includes such as the following group Point and respective mass percentage: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 8%, conch meal 3%, methacryloxypropyl Base propyl trimethoxy silicane coupling agent: 2%, carbon black: 1%, three (2,4- di-t-butyl) phenyl-phosphite antioxidant: 0.1%, Benzophenone series ultraviolet absorbing agent: 0.5%, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor 0.4%.Auxiliary material Preparation method such as embodiment 1.
The preparation method of ecological wood-plastic material: 1) the dry straw of recycling is ground into water content is 3%, and partial size is 100 mesh plant fiber powders are added auxiliary material in plant fiber powder, are heated to 140 DEG C, are sufficiently mixed using mixing machine, then Calcium sulfate is added to be uniformly mixed, obtains mixture;2) papermaking waste crushing is fragmentated, lubricant is added at 55 DEG C, benefit It is sufficiently mixed, is then warming up at 110 DEG C with mixing machine, the mixture of step 1) preparation is added, then cools to 90 DEG C of additions Calcium phosphate is sufficiently mixed, and 60 DEG C or less are cooled to after mixing and obtains mixture;3) mixture for obtaining step 2) is placed in double spiral shells It is granulated in bar pelletizer, screw speed 250r/min, feeding revolving speed 400r/min obtains particle;4) particle is added Extrusion molding is carried out in double screw extruder, obtains ecological wood-plastic material.
Comparative example 4
Ecological wood-plastic material, each component including following mass percentage: papermaking waste 45%, plant fiber powder 13%, calcium sulfate 12%, auxiliary material 18%, stearic acid lubricant 2%, tung oil 6%, calcium phosphate 4%;The auxiliary material packet Include following component and respective mass percentage: monoglyceride: 1%, modifying agent: 2%, zeolite powder: 8%, conch meal 3%, methyl Acryloyloxypropyltrimethoxysilane coupling agent: 2%, carbon black: 1%, three (2,4- di-t-butyl) phenyl-phosphite antioxygens Agent: 0.1%, benzophenone series ultraviolet absorbing agent: 0.5%, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor 0.4%.
The preparation method of ecological wood-plastic material: it is 3% that the dry straw of recycling, which is ground into water content, and partial size is 100 mesh plant fiber powders, be added in plant fiber powder the papermaking waste of crushing, calcium sulfate, monoglyceride, modifying agent, zeolite powder, Conch meal, methacryloxypropyl trimethoxy silane coupling agent, carbon black, three (2,4- di-t-butyl) phenyl-phosphites are anti- Oxygen agent, benzophenone series ultraviolet absorbing agent, 2- (Extraction kinetics sulfydryl) benzothiazole mould inhibitor, lubricant, tung oil and phosphorus Sour calcium is heated to be stirred at 120 DEG C, 60 DEG C or less is cooled to after mixing and obtains mixture;2) step 1) is obtained mixed Conjunction object, which is placed in dual-screw pelletizer, to be granulated, and screw speed 250r/min, feeding revolving speed 400r/min obtain particle; 3) particle is added twin-screw extrude into carry out extrusion molding, obtains ecological wood-plastic material.
The performance of ecological wood-plastic material obtained by embodiment 1-3 and comparative example 1-4 is tested, as a result such as the following table 1.
Wherein, the bending strength of Wood-plastic material, tensile strength physical performance index are by " GB/T24137-2009 wood moulding decoration Plate " test, water absorption rate test method is according to the regulation in GB/T17657-1999, and the test method of burst size of methanal is according to GB/ Regulation in T18102-2007.
1 Wood-plastic material the performance test results of table
It is and right from the data in upper table it is found that the ecological wood-plastic material obtained using raw material and preparation method of the invention Ratio is compared, and tensile strength and bending strength are higher, and expansion rate of water absorption is lower, and the comprehensive performance of Wood-plastic material is preferable.
Compared with comparative example 1-2, the tensile strength and bending strength of the resulting Wood-plastic material of the present invention are higher, water swelling Rate is lower, and the expansion rate of water absorption of the Wood-plastic material of comparative example 3 and the expansion rate of water absorption of Wood-plastic material of the invention are not much different, This demonstrates calcium phosphate and calcium sulfate collective effect to have better waterproof effect, and the expansion rate of water absorption of material is lower;With it is right Ratio 4 is compared, and the tensile strength and bending strength of the resulting Wood-plastic material of the present invention are higher than comparative example 4, expansion rate of water absorption and first Aldehyde burst size is lower than the burst size of comparative example 4, especially formaldehyde well below comparative example 4, illustrates using preparation side of the invention The Wood-plastic material that method obtains has excellent mechanical property, while having lower expansion rate of water absorption again, first to conch meal and boiling Mountain flour is individually modified, then is mixed with plant fiber, and independent modified conch meal and zeolite powder are better in addition to having Outside the effect of formaldehyde adsorption, the two collaboration also has good reinforcing effect, can enhance the bending strength and drawing of Wood-plastic material Stretch intensity.

Claims (7)

1. a kind of ecological wood-plastic material, which is characterized in that each component including following mass percentage: papermaking waste 40- 50%, plant fiber powder 12-15%, calcium sulfate 10-15%, auxiliary material 15-20%, lubricant 2-3%, tung oil 3-8%, phosphorus Sour calcium 2-5%.
2. ecological wood-plastic material as described in claim 1, which is characterized in that each component including following mass percentage: Papermaking waste 45%, plant fiber powder 13%, calcium sulfate 12%, auxiliary material 18%, lubricant 2%, tung oil 6%, phosphoric acid Calcium 4%.
3. ecological wood-plastic material as claimed in claim 1 or 2, which is characterized in that the water content of the plant fiber powder is 3- 4%.
4. ecological wood-plastic material as claimed in claim 1 or 2, which is characterized in that the partial size of the plant fiber powder is 80- 120 mesh.
5. ecological wood-plastic material as claimed in claim 1 or 2, which is characterized in that the auxiliary material include following component and Each account for the mass percentage of the total component of Wood-plastic material: monoglyceride: 1%, modifying agent: 2-3%, zeolite powder: 5-8%, shell Powder 3-5%, coupling agent: 1-2%, toner: 1-2%, antioxidant: 0.1-0.5%, UV resistant agent: 0.3-0.5%, mould inhibitor 0.1-0.5%.
6. ecological wood-plastic material as claimed in claim 5, which is characterized in that the auxiliary material the preparation method is as follows: will Monoglyceride, zeolite powder, conch meal and modifying agent mixed at high speed, are modified at 80-120 DEG C, are then added at 100 DEG C even Join agent, be stirred, be cooled to 60 DEG C of additions toner, antioxidant, UV resistant agent and mould inhibitors, is uniformly mixed, is assisted Raw material.
7. the preparation method of ecological wood-plastic material as claimed in claim 1 or 2, which comprises the following steps:
1) the dry straw of recycling is ground into plant fiber powder, auxiliary material is added in plant fiber powder, is heated to It 120-140 DEG C, is sufficiently mixed using mixing machine, calcium sulfate is then added and is uniformly mixed, obtains mixture;
2) papermaking waste crushing is fragmentated, lubricant and tung oil is added at 50-60 DEG C, is sufficiently mixed using mixing machine, Then it is warming up at 100-120 DEG C, the mixture of step 1) preparation is added, it is abundant then to cool to 80-90 DEG C of addition calcium phosphate Mixing, is cooled to 60 DEG C or less and obtains mixture after mixing;
3) mixture for obtaining step 2) is placed in dual-screw pelletizer and is granulated, screw speed 250-300r/min, Feeding revolving speed 300-400r/min, obtains particle;
4) particle is added twin-screw extrude into carry out extrusion molding, obtains ecological wood-plastic material.
CN201811553556.8A 2018-12-19 2018-12-19 A kind of ecological wood-plastic material and preparation method thereof Pending CN109735129A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011213776A (en) * 2010-03-31 2011-10-27 Oji Paper Co Ltd Filler composition
CN104479223A (en) * 2014-12-18 2015-04-01 广西大学 Wood-plastic composite prepared by use of short fiber and preparation method thereof
CN105949678A (en) * 2016-07-07 2016-09-21 安徽国风木塑科技有限公司 Papermaking sludge/PVC (polyvinyl chloride) wood-plastic composite material and preparation method for same
CN106497114A (en) * 2016-10-13 2017-03-15 常州创索新材料科技有限公司 A kind of preparation method of wood plastic composite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011213776A (en) * 2010-03-31 2011-10-27 Oji Paper Co Ltd Filler composition
CN104479223A (en) * 2014-12-18 2015-04-01 广西大学 Wood-plastic composite prepared by use of short fiber and preparation method thereof
CN105949678A (en) * 2016-07-07 2016-09-21 安徽国风木塑科技有限公司 Papermaking sludge/PVC (polyvinyl chloride) wood-plastic composite material and preparation method for same
CN106497114A (en) * 2016-10-13 2017-03-15 常州创索新材料科技有限公司 A kind of preparation method of wood plastic composite

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Application publication date: 20190510