CN106497118B - A kind of wood plastic composite, preparation method and the profiled sheeting made of the composite material - Google Patents
A kind of wood plastic composite, preparation method and the profiled sheeting made of the composite material Download PDFInfo
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- CN106497118B CN106497118B CN201611022147.6A CN201611022147A CN106497118B CN 106497118 B CN106497118 B CN 106497118B CN 201611022147 A CN201611022147 A CN 201611022147A CN 106497118 B CN106497118 B CN 106497118B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The present invention relates to a kind of wood plastic composites, and in parts by weight include following raw material components: plant ties up acetate 65-75 parts, 3-6 parts of ammonification polypropylene, micron order SiO20.5-1.5 parts, 15-25 parts of organosilan, 8-10 parts of plant acid solution, 2-4 parts of coupling agent, 20-30 parts of haloflex, 2-4 parts of compatilizer, 1-2 parts of polyethylene wax, 1-2 parts of zinc stearate, 3-7 parts of activated Calcium carbonate, 0.1-0.3 parts of antioxidant, 0.1-0.3 parts of septichen phenyl ester；The material has many advantages, such as environmental and durable, antiacid alkali, Anti-moth-eating, and there is very excellent mechanical property, tensile strength is in 70MPa or more, and bending strength is in 100MPa or more, impact strength is widely portable to building, furniture, packaging, gardens, transport field in 55MPa or more.
Description
Technical field
The present invention relates to a kind of wood plastic composite, preparation method and the profiled sheetings made of the composite material, belong to
Material Field.
Background technique
Wood plastic composite (Wood-Plastic Composites, WPC) is that domestic and international one kind being surging forward in recent years is new
Type composite material.Wood moulding combines the trend for having become entire society's development.The U.S. early in having begun to wood plastics composite decades ago
It squeezes out, development in nearly 5 years is especially fast.Since the 1990s, North America, European many countries have carried out wood plastic composite
A large amount of research, production and application aspect are also increasing sharply.The wood plastic composite of North America and Europe consumption in 2002
Reach 680,000 tons, it is contemplated that will increase before by 2010 with the speed of 14% and 19%.It not only has the characteristic of natural timber,
And multiple color can be produced according to demand.Wood plastic composite has uvioresistant, Anti-moth-eating, acid and alkali-resistance, corrosion-resistant, no
It is easily-deformable, do not crack, be non-maintaining, is easy to install, exempt from paint, do not fear wind and rain can very reclaiming, get close to the advantages that nature.
And alternative almost all kinds of timber products.It is mainly used for the industries such as building materials, furniture, logistics packaging, can also be applicable in
It in construct platform, railing, pavement, marks time, outdoor desk-chair, flower stand, tree pond etc., simultaneously can be used for indoor decoration, logistics, packet
The fields such as dress, transport, production pallet.Wood plastic composite construction is simple can be used common carpenter's instrument and construct.?
Waterfront is built, and in wet environment, wood-plastic products have more apparent advantage.
Novel wood-plastic composite material is a kind of material of great development prospect " low-carbon, is recycled environmental protection ".Selection is just
True additive and formula, so that wood plastic composite has good processing performance, physically better performance, more perfect outer
Appearance quality, superior service performance and longer service life.To meeting the requirement of wood plastic composite and production of articles extremely
It closes important.In the processing of wood plastic composite, since lumber fibre has very strong polarity, hydrophily, and plastics are non-pole
Property, not hydrophilic, lumber fibre and the compatibility of plastics between the two are very poor, interface binding force also very little, thus will have compared with
The timber of strong absorptive is combined together with having hydrophobic plastics, is a very difficult thing, and it is multiple also to will affect wood moulding
The mechanical performance of condensation material.Moreover, because having very strong interaction between lumber fibre, so that its dispersion pole in the plastic
Difference will reach evenly dispersed more difficult.Meanwhile when processing and forming, the degradable discoloration of wood meal, plastics also can thermal degradation,
The unsuitable performance decline that will lead to wood plastic composite with mixing processing technology.
Traditional wood plastic composite can be found in technology disclosed in Chinese Patent Application No. 89107412.0, mainly with useless
Rubber, waste plastics and wood powder three are mixed in a certain ratio, it is clear that made product intensity is limited, is unfavorable for processing life
It produces；With wood plastic composite application field constantly widen and material molding technology is constantly progressive, now industry in order to gram
The difficulty in wood moulding process is taken, produces the wood plastic composite with superperformance, how particularly critical be to wood powder
And the surface of plastics is modified, wood powder content and different auxiliary agents improve wood moulding interface compatibility, it is strong with the stretching for improving product
The performances such as degree, bending strength, impact strength, expansion rate；Such as plastic composite disclosed in Chinese patent 98122121.1
Material composition comprising the organic matters such as wood powder filler, the thermoplastic of polyolefin and by peroxide type initiators and
The hotmelt of polar monomer composition, but there are certain limitations for the mobility of system, and expansion rate is high, increased mechanical property
Can be again limited, whereby, how to improve wood-fibred in composite material and be increasingly becoming industry with plastic interface compatibility needing to improve
Project.
CN 104004371B discloses a kind of novel wood-plastic composite material using straw, wraps in parts by weight
Include the following raw material component: 65-75 parts of plant fiber acetate, 5-10 parts of haloflex, 15-25 parts of waste plastic, coupling agent
2-4 parts, 10-15 parts of compatilizer, 1-2 parts of polyethylene wax, 1-2 parts of zinc stearate, 3-7 parts of activated Calcium carbonate, antioxidant 0.1-0.3
Part and 0.1-0.3 parts of septichen phenyl ester, which has the advantages that environmental and durable, long service life, and
And compatibility between lumber fibre and plastics is high, so that utilizing plant section Ei dry novel wood-plastic composite material and its manufactured
Profiled sheeting is beautiful and generous in use, can be widely applied to the fields such as building, furniture, packaging.But mechanical property is still
It is relatively poor, it is not able to satisfy the requirement of practical application.
Summary of the invention
For described problem existing in the prior art, the purpose of the present invention is to provide a kind of wood plastic composite, its
Preparation method and the profiled sheeting made of the composite material.Environmentally friendly, durable, the antiacid alkali of wood plastic composite of the invention, insect prevention
Moth, good flame resistance, it is zero formaldehyde, pollution-free, recyclable, and there is very excellent mechanical property, tensile strength exists
70MPa or more, bending strength are widely portable to building, furniture, packet in 55MPa or more in 100MPa or more, impact strength
Dress, gardens, transport field.
In order to achieve the above object, the invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of wood plastic composite, the raw material components of the wood plastic composite are with weight
Part is counted
As the optimal technical scheme of wood plastic composite of the present invention, a kind of wood plastic composite, the wood moulding is answered
The raw material components of condensation material include: in parts by weight
As the further preferred technical solution of wood plastic composite of the present invention, a kind of wood plastic composite is described
The raw material components of wood plastic composite include: in parts by weight
Preferably, compatilizer is made by following preparation processes: weighing weight fraction ratio is 10:5:2:1 weight fraction ratio
For the polypropylene of 10:5:2:1, maleic anhydride, initiator dicetyl peroxydicarbonate double hexadecyl ester, antioxidant 1010, nothing is first used
Water-ethanol dissolves initiator, is added in polypropylene granules, is uniformly mixed together.It is separately added into finely ground maleic anhydride again
Powder, antioxidant powder, are uniformly mixed.After placing 12h, by double screw extruder melting mixing, squeeze out pelletizing to obtain the final product
Compatilizer.
Preferably, the plant fiber acetate is plant fiber processing gained, and preparation method is as follows: plant fibre
Dimension is added in high-speed mixer, then glacial acetic acid and concentrated sulfuric acid mixed solution is added in the ratio of 40:1 (volume ratio), controls temperature
At 80-82 DEG C, high-speed stirred 10min, occur that cellulose and glacial acetic acid in plant fiber under the catalytic action of the concentrated sulfuric acid
Esterification generates the acetate of cellulose；The plant fiber is with sawdust, sawdust, bamboo scraps, straw, wheat straw, cotton
Bar, cavings, peanut shell, bagasse, cocoanut shell, in sub- hemp one or more kinds of components composition.
Preferably, the coupling agent is peroxide, can be used as reactive compatibilizers, high fusion index low molecular weight
" bridging agent " effect is played under the conditions of polyolefin is existing for the peroxide, uses PP in extrusion process, and PE is thermomechanically altogether
Grafting or block copolymer are formed in mixed and compatible；Such as can be benzoyl peroxide, and cumyl peroxide, tert-butyl mistake
It is one or more in hydrogen oxide or peroxidized t-butyl perbenzoate.
Preferably, the antioxidant is to inhibit or delay high polymer and the thermal oxide in air of other organic compounds
Organic compound can prevent polymer material because oxidation causes rotten substance, can be phosphite, phosphate or by
Hinder phenols, preferably antioxidant 1010.
Preferably, the micron order SiO2Partial size be 2-8 μm, for example, 2 μm, 3 μm, 3.5 μm, 4 μm, 4.3 μm, 4.6 μ
M, 5 μm, 5.5 μm, 6 μm, 7 μm, 7.5 μm or 8 μm etc..
Preferably, the mass percentage concentration of the plant acid solution be 30-70%, for example, 30%, 36%, 40%, 45%,
50%, 60%, 65% or 70% etc., preferably 50-60%.
Second aspect, the present invention provide the preparation method of wood plastic composite as described in relation to the first aspect, the method packet
Include following steps: to ammonification polypropylene, micron order SiO to be added in the batch mixer of the rotational speed of 500-1000r/min2, plant
Fibres acetate after adding, improves revolving speed to 1500-2500r/min, it is molten that organosilan, phytic acid is added at 45-55 DEG C
Liquid, coupling agent, haloflex are added compatilizer, polyethylene wax, zinc stearate after keeping the temperature 45min at 65 DEG C, stir evenly
Activated Calcium carbonate, antioxidant, septichen phenyl ester is added at 95-100 DEG C afterwards, the material in batch mixer is heated to
135 DEG C, and 35 DEG C are cooled to, wood plastic composite of the present invention can be obtained.
The profiled sheeting being prepared by the above-mentioned novel wood-plastic composite material using stalk is also claimed in the present invention.It will be wooden
Plastic composite materials, which prepare profiled sheeting, can be used technique conventional in the prior art, and preparation process is for those skilled in the art
It is easy to get.
In wood plastic composite of the present invention, coupling agent (silane coupling agent, Aluminate, phthalate ester), also known as surface
Modifying agent is that one kind can make to generate very strong interface cohesion between plastics and wood surface, improves their compatibility and dispersion
A kind of additive of property.The interface interaction between inorganic matter and organic matter can be improved, improve wood moulding interface cohesion.Coupling agent exists
Wood moulding can also reduce the viscosity of molten synthetic resin during processing, it is possible to reduce the water imbibition of wood powder, improve intensity and
Processing performance, to make product have good appearance and improve mechanical performance.
Lubricant (zinc stearate, polyethylene wax or PE wax), it is possible to reduce the frictional force of compound and processing equipment,
Process equipment is set to play optimal operating characteristic.Lubricant can have good compatibility at high temperature with resin, can be with
Intermolecular cohesive energy in resin is reduced, lowers intermolecular friction, the cunning of resin particle is promoted to go, improves fluidity of molten.
To improve the presentation quality of extruded product, improve yield, improve production efficiency, reduce edge abrasion.
Reinforcing agent, filler (calcium carbonate, calcium bicarbonate, activated Calcium carbonate), enhance density, improve wood plastic product intensity and
Rigidity, major function is to reduce cost and shrinking percentage.The stabilization of plastic products size can be improved in activated Calcium carbonate in wood moulding
Property, hardness and stiffness, improve the heat resistance and astigmatism of wood moulding processing performance and its product.
Age resister (antioxidant, ultraviolet absorbing agent, photomask agent), is effectively prevented aging phenomenon, antioxidant,
High polymer oxidation can be restrained or delayed, UV absorbers can make polymer in composite material that degradation or mechanical property not occur
Decline.
Photomask agent (carbon black, titanium dioxide, zinc oxide) can absorb the light wave for being harmful to high polymer, then convert luminous energy
It is scattered out at thermal energy or falls light wave reflection.
Compared with prior art, the present invention has following technical advantage:
(1) present invention in haloflex based raw material by being added ammonification polypropylene, micron order SiO2, organosilan and
Plant acid solution, and each parameter coordination relationship in preparation method is adjusted, it acts synergistically between each raw material component, improvement compatibility,
The wood plastic composite haveing excellent performance finally has been prepared in reinforcing effect, and the composite material environmental protection is durable, antiacid caustic corrosion
Can and Anti-moth-eating performance is strong, good flame resistance, and excellent in mechanical performance, tensile strength exist in 70MPa or more, bending strength
100MPa or more, impact strength are applied to building, furniture, packaging, gardens, have peace in transport field in 55MPa or more
Loopful guarantor, durable advantage.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.
Embodiment 1
A kind of novel wood-plastic composite material using straw, the raw material components of the wood plastic composite are as follows:
A method of it preparing wood plastic composite described above comprising following steps: being transported to low speed (500r/min)
Turn that ammonification polypropylene, micron order SiO is added in lower batch mixer2, plant fiber acetate, after adding, improve mixing speed extremely
Organosilan, plant acid solution, coupling agent and haloflex is added in 2500r/min at 45 DEG C, keeps the temperature after 45min at 65 DEG C
Activated Calcium carbonate, antioxidant, adjacent hydroxyl is added in lower addition compatilizer, polyethylene wax, zinc stearate at 100 DEG C after mixing evenly
Material in batch mixer is heated to 135 DEG C, and is cooled to 35 DEG C by yl benzoic acid phenyl ester, and wood plastics composite of the present invention can be obtained
Material.
The profiled sheeting that also the above-mentioned novel wood-plastic composite material using stalk is prepared by inventor.By wood and plastic composite
Material, which prepares profiled sheeting, can be used technique conventional in the prior art, and preparation process is readily available those skilled in the art
's.
Embodiment 2
A kind of novel wood-plastic composite material using straw, the raw material components of the wood plastic composite are as follows:
A method of it preparing wood plastic composite described above comprising following steps: being transported to low speed (800r/min)
Turn that ammonification polypropylene, micron order SiO is added in lower batch mixer2, plant fiber acetate, after adding, improve mixing speed arrive
2500r/min, at 55 DEG C be added organosilan, plant acid solution, coupling agent, haloflex, keep the temperature 45min after at 65 DEG C
Compatilizer, polyethylene wax, zinc stearate is added, activated Calcium carbonate, antioxidant, o-hydroxy is added at 95 DEG C after mixing evenly
Material in batch mixer is heated to 135 DEG C, and is cooled to 35 DEG C by phenyl formate, and wood plastic composite of the present invention can be obtained.
The profiled sheeting that also the above-mentioned novel wood-plastic composite material using stalk is prepared by inventor.By wood and plastic composite
Material, which prepares profiled sheeting, can be used technique conventional in the prior art, and preparation process is readily available those skilled in the art
's.
Embodiment 3
A kind of novel wood-plastic composite material using straw, the raw material components of the wood plastic composite are as follows:
A method of it preparing wood plastic composite described above comprising following steps: being transported to low speed (700r/min)
Turn that ammonification polypropylene, micron order SiO is added in lower batch mixer2, plant fiber acetate, after adding, improve mixing speed extremely
2000r/min, at 50 DEG C be added organosilan, plant acid solution, coupling agent, haloflex, keep the temperature 45min after at 65 DEG C
Compatilizer, polyethylene wax, zinc stearate is added, activated Calcium carbonate, antioxidant, o-hydroxy is added at 98 DEG C after mixing evenly
Material in batch mixer is heated to 135 DEG C, and is cooled to 35 DEG C by phenyl formate, and wood plastic composite of the present invention can be obtained.
The profiled sheeting that also the above-mentioned novel wood-plastic composite material using stalk is prepared by inventor.By wood and plastic composite
Material, which prepares profiled sheeting, can be used technique conventional in the prior art, and preparation process is readily available those skilled in the art
's.
Embodiment 4
A kind of novel wood-plastic composite material using straw, the raw material components of the wood plastic composite are with parts by weight
Meter includes:
A method of it preparing wood plastic composite described above comprising following steps: being transported to low speed (750r/min)
Turn that ammonification polypropylene, micron order SiO is added in lower batch mixer2, plant fiber acetate, after adding, improve mixing speed extremely
2250r/min, at 49 DEG C be added organosilan, plant acid solution, coupling agent, haloflex, keep the temperature 45min after at 65 DEG C
Compatilizer, polyethylene wax, zinc stearate is added, activated Calcium carbonate, antioxidant, adjacent hydroxyl is added at 100 DEG C after mixing evenly
Material in batch mixer is heated to 135 DEG C, and is cooled to 35 DEG C by phenol benzoate, and wood and plastic composite of the present invention can be obtained
Material.
The profiled sheeting that also the above-mentioned novel wood-plastic composite material using stalk is prepared by inventor.By wood and plastic composite
Material, which prepares profiled sheeting, can be used technique conventional in the prior art, and preparation process is readily available those skilled in the art
's.
Comparative example 1
The wood plastic composite that embodiment 1 obtains in patent application CN 103642147A
A kind of novel wood-plastic composite material using straw, it is made of the raw material of following weight parts (kilogram):
Polyvinyl chloride resin 100, wood fibre 100, precipitated calcium carbonate 10, thermoplastic polyurethane elastomer 10, cumyl peroxide 2, chlorination
Paraffin 4, lead sulfate tribasic 1, ricinoleic acid barium 3, azodicarbonamide 2, adhesive aid 3；
The adhesive aid is made of the raw material of following weight parts: polyvinyl alcohol 20, hexakis-methoxy methyl melamine
Polyimide resin 3, polyamide wax micropowder 2, dialdehyde starch 4-5, jojoba oil 2, anilinomethyl triethoxysilane 1；By above-mentioned poly- second
Enol is added in reaction kettle, is heated to 80 DEG C, and polyamide wax micropowder is added, and insulation reaction 4 minutes, reducing temperature was 60 DEG C,
Hexamethoxymethyl melamine resin, anilinomethyl triethoxysilane is added, 700 revs/min are dispersed with stirring 15 minutes, are cooled to
Room temperature is added remaining each raw material, is sufficiently mixed up to the adhesive aid.A kind of novel wood-plastic composite wood using straw
The preparation method of material, comprising the following steps:
Above-mentioned wood fibre is sent into high-speed mixer, increasing temperature is 120 DEG C, in the revolving speed that 1200 revs/min are stirred
Under be slowly added into cumyl peroxide, after addition, continue high-speed stirred 8 minutes, reduce temperature be 90 DEG C, be added PVC
Resin, chlorinated paraffin, precipitated calcium carbonate, thermoplastic polyurethane elastomer after being sufficiently stirred, in the case where temperature is 115 DEG C, are added even
Nitrogen diformamide, high-speed stirred is uniform, is cooled to room temperature, and remaining each raw material is added, is sent into extruder after being sufficiently mixed, is extruded into
Type, cooling and shaping is to get the wood plastic composite.
Comparative example 2
The wood plastic composite being prepared according to CN 101921491A embodiment 1
A kind of novel wood-plastic composite material using straw, including following component: 100 parts of 325 mesh of wood powder, waste and old modeling
Expect 50 parts of (HDPE), 10 parts of waste old (POE), 40 parts of high melting means thermoplastic resin (HDPE), 1.5 parts of surfactant, profit
2 parts of lubrication prescription (amide waxe), 2 parts of lubricant (MP wax), 0.3 part of lubricant (calcium stearate), crosslinking agent (cumyl peroxide)
0.5 part, 0.2 part of antioxidant, 0.1 part of processing aid.
Used processing method be usually first by wood powder after treatment, eliminate most of moisture, it is dry to aqueous
Less than 2% surfactant is added, 80-150 DEG C mixing 5-12 minutes, add crosslinking agent in high-speed mixer in rate
With high melting means thermoplastic resin, it is eventually adding the recycled plastic crushed, rubber and corresponding lubricant, antioxidant and processing
Premix feeding pelletizer is granulated by the additives such as auxiliary agent after being mixed 5-10 minutes, and the pelletizer is parallel double
Screw extruder or mixer with single screw rod extrusion device, processing temperature are 150~195 DEG C, the particle that will finally produce
It is sent into shaping mechanism and obtains correlated product, the molding machine is injection molding machine, and processing temperature is 140~220 DEG C.
Comparative example 3
In addition to being added without organosilan and plant acid solution in raw material components, other preparation methods and condition and 1 phase of embodiment
Together.
Comparative example 4
Except being added without ammonification polypropylene and micron order SiO in raw material components2Outside, other preparation methods and condition and embodiment
1 is identical.
The product of various embodiments of the present invention and comparative example is tested for the property
It is strong to the tensile strength of 1-5 of the embodiment of the present invention and Comparative Examples 1-4, bending according to following test method
Degree, impact strength, Rockwell hardness are tested.Wherein, tensile strength: GB 1040-79 standard testing is pressed；Bending strength: GB is pressed
9341-88 standard testing；Impact strength: GB 1451-83 standard testing is pressed；Rockwell hardness: GB 9342-88 standard testing is pressed；
The performance test of the wood plastic composite of the present invention of table 1
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
Be limited to above-mentioned method detailed, that is, do not mean that the invention must rely on the above detailed methods to implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of wood plastic composite, which is characterized in that the raw material components of the wood plastic composite include: in parts by weight
65-75 parts of plant fiber acetate
3-6 parts of ammonification polypropylene
Micron order SiO20.5-1.5 parts
15-25 parts of organosilan
8-10 parts of plant acid solution
2-4 parts of coupling agent
20-30 parts of haloflex
2-4 parts of compatilizer
1-2 parts of polyethylene wax
1-2 parts of zinc stearate
3-7 parts of activated Calcium carbonate
0.1-0.3 parts of antioxidant
0.1-0.3 parts of septichen phenyl ester.
2. wood plastic composite according to claim 1, which is characterized in that the raw material components of the wood plastic composite with
Parts by weight meter includes:
65-70 parts of plant fiber acetate
3-5 parts of ammonification polypropylene
Micron order SiO21-1.5 part
20-25 parts of organosilan
8-10 parts of plant acid solution
2-3 parts of coupling agent
25-30 parts of haloflex
2-3 parts of compatilizer
1-1.5 parts of polyethylene wax
1-1.5 parts of zinc stearate
3-4 parts of activated Calcium carbonate
0.1-0.2 parts of antioxidant
0.1-0.2 parts of septichen phenyl ester.
3. wood plastic composite according to claim 1, which is characterized in that the raw material components of the wood plastic composite with
Parts by weight meter includes:
70 parts of plant fiber acetate
4 parts of ammonification polypropylene
Micron order SiO21 part
22 parts of organosilan
9 parts of plant acid solution
2 parts of coupling agent
28 parts of haloflex
2 parts of compatilizer
1 part of polyethylene wax
1 part of zinc stearate
3 parts of activated Calcium carbonate
0.2 part of antioxidant
0.2 part of septichen phenyl ester.
4. wood plastic composite according to claim 1, which is characterized in that the compatilizer passes through following preparation processes
It is made: weighing polypropylene, maleic anhydride, initiator, the antioxidant that weight fraction ratio is 10:5:2:1, will first be drawn with dehydrated alcohol
Agent dissolution is sent out, is added in polypropylene granules, is uniformly mixed together；It is separately added into finely ground maleic anhydride powder, antioxygen again
Agent powder, is uniformly mixed；After placing 12h, by double screw extruder melting mixing, pelletizing is squeezed out up to compatilizer.
5. wood plastic composite according to claim 1, which is characterized in that the preparation side of the plant fiber acetate
Method includes the following steps: plant fiber to be added in high-speed mixer, then glacial acetic acid and dense is added in the ratio of 40:1 volume ratio
Sulfuric acid mixed solution controls temperature at 80-82 DEG C, stirs 10min, makes cellulose in plant fiber and glacial acetic acid in the concentrated sulfuric acid
Catalytic action under esterification occurs, generate the acetate of cellulose to get to plant fiber acetate.
6. wood plastic composite according to claim 1, which is characterized in that the micron order SiO2Partial size be 2-8 μm.
7. wood plastic composite according to claim 1, which is characterized in that the mass percentage concentration of the plant acid solution is
30-70%。
8. wood plastic composite according to claim 1, which is characterized in that the mass percentage concentration of the plant acid solution is
50-60%。
9. a kind of method for preparing any one of claim 1-8 wood plastic composite, described method includes following steps: to
Ammonification polypropylene, micron order SiO to be added in the batch mixer of the rotational speed of 500-800r/min2, plant fiber acetate, add
After complete, revolving speed is improved to 1500-2500r/min, addition organosilan, plant acid solution, coupling agent, chlorination are poly- at 45-55 DEG C
Ethylene is added compatilizer, polyethylene wax, zinc stearate after keeping the temperature 45min at 65 DEG C, adds at 95-100 DEG C after mixing evenly
Enter activated Calcium carbonate, antioxidant, septichen phenyl ester, the material in batch mixer is heated to 135 DEG C, and be cooled to 35
DEG C to get arrive wood plastic composite.
10. a kind of profiled sheeting being prepared by any one of the claim 1-8 wood plastic composite.
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| CN201611022147.6A CN106497118B (en) | 2016-11-17 | 2016-11-17 | A kind of wood plastic composite, preparation method and the profiled sheeting made of the composite material |
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| CN107141595A (en) * | 2017-06-20 | 2017-09-08 | 合肥市淑芹美装饰工程有限公司 | A kind of High-strength wood plastic floor and preparation method thereof |
| CN109266036A (en) * | 2018-09-10 | 2019-01-25 | 湖南荣兴环保装饰材料有限公司 | A kind of environment friendly decorative material and its preparation method and application |
| CN114015008A (en) * | 2021-11-25 | 2022-02-08 | 广东一三七化工科技有限公司 | Polyurethane emulsion, preparation method thereof, printing coating and preparation method thereof |
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