CN110229538A - A kind of High-strength wood-plastic composite panel and preparation method thereof - Google Patents
A kind of High-strength wood-plastic composite panel and preparation method thereof Download PDFInfo
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- CN110229538A CN110229538A CN201910626984.7A CN201910626984A CN110229538A CN 110229538 A CN110229538 A CN 110229538A CN 201910626984 A CN201910626984 A CN 201910626984A CN 110229538 A CN110229538 A CN 110229538A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- 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
Abstract
A kind of High-strength wood-plastic composite panel is combined by plastic pellet, enzyme modification wood powder, maleic anhydride grafted plastic particle, organise wollastonite mine fibre, melamine polyphosphate, changed red mud, calcium stearate, terpene resin, white oil and antioxidant.It is convenient that the present invention manufactures, and mechanization degree is higher in production process, and required labour is less, and production cost is low.High-strength wood-plastic composite panel is compared with common plastics plate, and amount of plastic used reduces, and to more environment-friendly, modulus is higher, and rigidity is bigger, more creep resistant, while can carry out waste utilization to this industrial or agricultural leftover pieces of wood powder, reduces products material cost；High-strength wood-plastic composite panel is compared with other Wood plastic composites, static bending strength equal strength is higher, mechanical property is more excellent, antimildew and antibacterial effect is more preferable, strength retention is high after long-time service, the service life is longer, can be widely applied to the numerous areas such as traffic, fitting-up, municipal gardens, packaging.
Description
Technical field
The present invention relates to a kind of Wood plastic composites, more particularly to a kind of High-strength wood-plastic composite panel and its system
Preparation Method.
Background technique
In recent years, with the enhancing of people's environmental protection consciousness, raw material sources are extensive, environmental-friendly, renewable, recyclable
The Wood plastic composite used is increasingly valued by people.Wood plastic composite is by new/old plastics, straw powder and various helps
Through technological formings such as extruding, molding or injection moldings after agent is uniformly mixed, shaping speed is fast, high production efficiency；Wood plastic composite can
As the packaging materials such as pallet, packing case, the storage material such as bed board, paving beam, the finishings such as house, floor, building template, decoration material
Material, the leisure material such as outdoor tables and chairs, stool that the occasions such as park, court, street use, automobile inside decoration materials, tubing etc..Modeling wood
Composite material has many advantages, such as, such as: material homogeneous, size are stable compared with timber, be not likely to produce crackle and without timber knot,
The defects of twill；Water resistance is good, anticorrosion, Anti-moth-eating；Designability is strong, processable to be fabricated to different shape, different colours
Product；It is easy to process, it can be sawed, dug and be bonded, or be fixed with nail, bolt, be can be completed using wood working tool, and
Nail-holding ability is substantially better than other synthetic materials；It can be recycled and recycle after discarded, many advantages, such as being good for the environment.But there is also one
A little obvious insufficient, if static bending strength is relatively low, bearing capacity is poor, and long-time service may bend, especially hanging to use
When, bending deformation is easier to occur, to affect its using effect, shorten its service life, define its use scope.
So being modified to traditional Wood plastic composite, it is very necessary to improve its mechanical property including static bending strength.
Summary of the invention
The purpose of the present invention is provide a kind of High-strength wood-plastic composite panel and its preparation in view of the above shortcomings
Method.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of High-strength wood-plastic composite panel of the present invention, wherein the plastic pellet using polyethylene, polypropylene,
One of polystyrene.
A kind of High-strength wood-plastic composite panel of the present invention, wherein the modified wood powder is enzyme modified wood powder,
Partial size is 40-120 mesh.
A kind of High-strength wood-plastic composite panel of the present invention, wherein the maleic anhydride grafted plastic particle is Malaysia
One of anhydride grafted lldpe, maleic anhydride inoculated polypropylene, maleic anhydride grafted polystyrene, selection and plastic pellet
Son is corresponding, i.e., when plastic pellet is polyethylene, selects maleic anhydride grafted polyethylene, when plastic pellet is polypropylene, select horse
Maleic anhydride grafted polypropylene when plastic pellet is polystyrene, selects maleic anhydride grafted polystyrene.
A kind of High-strength wood-plastic composite panel of the present invention, wherein the wollastonite mine fibre draw ratio 10- that organises
16:1.
A kind of High-strength wood-plastic composite panel of the present invention, wherein the melamine polyphosphate average grain diameter is
3-5μm。
A kind of High-strength wood-plastic composite panel of the present invention, wherein the changed red mud average grain diameter is 0.6-1.6 μ
m。
A kind of High-strength wood-plastic composite panel of the present invention, wherein the antioxidant is β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid n-octadecyl alcohol ester, one in four [β-(3,5- di-t-butyl 4- hydroxy phenyl) propionic acid] pentaerythritol esters
Kind.
It is preferred that a kind of High-strength wood-plastic composite panel, is prepared by the raw material for including following parts by weight:
It is further preferred that a kind of High-strength wood-plastic composite panel, is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel of the invention comprising following steps:
(1), the buffer solution 200-300 parts by weight that pH is 4.5-5.5 are prepared, are heated to 40-50 DEG C；By 0.1-0.5 weight
The biological enzyme of amount part is added in buffer solution and stirs 10-20min, is then added thereto 50-70 parts by weight wood powder, heats up
To 50-60 DEG C, 3-5h is handled；Filtering, with distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, in 40-
It is dried in vacuo 10-12h at 50 DEG C, sieves, obtains enzyme modification wood powder；
(2), in mass ratio 100: 1-2: 0.04-0.08 distilled water, wollastonite mine fibre and cetyl trimethyl bromine are weighed
Change ammonium, by wollastonite mine fibre be added in distilled water be uniformly mixed form wollastonite mine fibre dispersion liquid, with acetum adjust silicon
The pH to 6.8-7.4 of grey stone ore fibre dispersion liquid, and it is warming up to 70-80 DEG C, it then is added in cetyl trimethylammonium bromide
In, high-speed stirred 6-8h is filtered, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after,
It is dried in vacuo 20-30h at 70-80 DEG C, obtains the wollastonite mine fibre that organises；
(3), in mass ratio 100: 300-330: 2-3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand
Acid processing red mud is obtained after 10-20min；In mass ratio 100: 400-460: 110-120 weighs acid processing red mud, distilled water respectively
And quick lime, grinding is uniformly, dry, and screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 10-20min, extruding pelletization, 160-190 DEG C of extruder barrel temperature, die head temperature 165-
205 DEG C, obtain modified plastics particle；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 10-20min again；
(7), after mixing, melt blending extrusion, 165-195 DEG C of extruder barrel temperature, die head temperature are carried out using extruder
155-205 DEG C of degree, obtains High-strength wood-plastic composite panel；
The biological enzyme is one of cellulase, lipase or laccase.
A kind of High-strength wood-plastic composite panel of the present invention, it is available to manufacture convenient, traditional plastic production technology
Mechanization degree is higher in its production and processing, production process, and required labour is less, can carry out continuous production, be produced into
This is low.High-strength wood-plastic composite panel is compared with common plastics plate, and amount of plastic used reduces, to more environment-friendly,
Modulus is higher, and rigidity is bigger, more creep resistant, while can carry out waste utilization to this industrial or agricultural leftover pieces of wood powder, reduces and produces
Product cost of material.High-strength wood-plastic composite panel is compared with wooden boards, is not necessarily to disafforestation trees, not will cause water and soil
It is lost, plate is water-fast, anti-corrosion, termite-proof, and especially in outdoor use, not easy to crack to rot, the service life is longer.High-strength plastic wood
Composite board is compared with other Wood plastic composites, and static bending strength equal strength is higher, and mechanical property is more excellent, mould proof anti-
Bacterium effect is more preferable, and strength retention is high after long-time service, and the service life is longer, can be widely applied to traffic, fitting-up, municipal administration
The numerous areas such as gardens, packaging.
Specific embodiment
Embodiment 1:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 250 parts by weight of buffer solution that pH is 5 are prepared, are heated to 45 DEG C；The lipase of 0.3 parts by weight is added to
In buffer solution and 15min is stirred, is then added thereto 60 parts by weight wood powders, is warming up to 55 DEG C, handles 4h；Filtering, with steaming
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 11h is dried in vacuo at 45 DEG C, is sieved, is obtained enzyme and change
Property wood powder；
(2), in mass ratio 100: 1.5: 0.06 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 7.1 of fine dispersion liquid, and 75 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 7h,
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, be dried in vacuo at 75 DEG C
25h obtains the wollastonite mine fibre that organises；
(3), in mass ratio 100: 315: 2.5 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand 15min
After obtain acid processing red mud；In mass ratio 100: 430: 115 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is
Even, dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 15min, and extruding pelletization, 185 DEG C of die head temperature, is changed by 175 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 15min again；
(7), mix after, using extruder carry out melt blending extrusion, 180 DEG C of extruder barrel temperature, die head temperature 180
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 2:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 200 parts by weight of buffer solution that pH is 4.5 are prepared, are heated to 40 DEG C；The cellulase of 0.1 parts by weight is added
Enter into buffer solution and stir 10min, be then added thereto 50 parts by weight wood powders, be warming up to 50 DEG C, handles 3h；Filtering,
With distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, 10h is dried in vacuo at 40 DEG C, sieves, obtains
Enzyme modification wood powder；
(2), in mass ratio 100: 1: 0.04 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 6.8 of dispersion liquid, and 70 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 6h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 20h is dried in vacuo at 70 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 300: 2 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 10min
Obtain acid processing red mud；In mass ratio 100: 400: 110 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 10min, and extruding pelletization, 165 DEG C of die head temperature, is changed by 160 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 10min again；
(7), mix after, using extruder carry out melt blending extrusion, 165 DEG C of extruder barrel temperature, die head temperature 155
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 3:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 300 parts by weight of buffer solution that pH is 5.5 are prepared, are heated to 50 DEG C；The laccase of 0.5 parts by weight is added to
In buffer solution and 20min is stirred, is then added thereto 70 parts by weight wood powders, is warming up to 60 DEG C, handles 5h；Filtering, with steaming
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 12h is dried in vacuo at 50 DEG C, is sieved, is obtained enzyme and change
Property wood powder；
(2), in mass ratio 100: 2: 0.08 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 7.4 of dispersion liquid, and 80 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 8h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 30h is dried in vacuo at 80 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 330: 3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 20min
Obtain acid processing red mud；In mass ratio 100: 460: 120 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 205 DEG C of die head temperature, is changed by 190 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 20min again；
(7), mix after, using extruder carry out melt blending extrusion, 195 DEG C of extruder barrel temperature, die head temperature 205
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 4:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 200 parts by weight of buffer solution that pH is 4.5 are prepared, are heated to 40 DEG C；The cellulase of 0.1 parts by weight is added
Enter into buffer solution and stir 10min, be then added thereto 50 parts by weight wood powders, be warming up to 50 DEG C, handles 3h；Filtering,
With distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, 10h is dried in vacuo at 40 DEG C, sieves, obtains
Enzyme modification wood powder；
(2), in mass ratio 100: 1: 0.04 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 6.8 of dispersion liquid, and 70 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 6h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 20h is dried in vacuo at 70 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 300: 2 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 10min
Obtain acid processing red mud；In mass ratio 100: 400: 110 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 10min, and extruding pelletization, 165 DEG C of die head temperature, is changed by 160 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 10min again；
(7), mix after, using extruder carry out melt blending extrusion, 165 DEG C of extruder barrel temperature, die head temperature 155
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 5:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 250 parts by weight of buffer solution that pH is 4.5 are prepared, are heated to 50 DEG C；The laccase of 0.1 parts by weight is added to
In buffer solution and 15min is stirred, is then added thereto 60 parts by weight wood powders, is warming up to 60 DEG C, handles 5h；Filtering, with steaming
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 12h is dried in vacuo at 50 DEG C, is sieved, is obtained enzyme and change
Property wood powder；
(2), in mass ratio 100: 2: 0.06 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 7.4 of dispersion liquid, and 80 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 8h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 30h is dried in vacuo at 75 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 330: 2.5 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand 20min
After obtain acid processing red mud；In mass ratio 100: 460: 120 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is
Even, dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 205 DEG C of die head temperature, is changed by 190 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 20min again；
(7), mix after, using extruder carry out melt blending extrusion, 195 DEG C of extruder barrel temperature, die head temperature 205
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 6:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 300 parts by weight of buffer solution that pH is 5 are prepared, are heated to 40 DEG C；The lipase of 0.3 parts by weight is added to
In buffer solution and 20min is stirred, is then added thereto 50 parts by weight wood powders, is warming up to 55 DEG C, handles 5h；Filtering, with steaming
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 11h is dried in vacuo at 40 DEG C, is sieved, is obtained enzyme and change
Property wood powder；
(2), in mass ratio 100: 2: 0.04 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 7.1 of dispersion liquid, and 80 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 6h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 30h is dried in vacuo at 75 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 300: 2.5 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand 20min
After obtain acid processing red mud；In mass ratio 100: 400: 115 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is
Even, dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 185 DEG C of die head temperature, is changed by 160 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 20min again；
(7), mix after, using extruder carry out melt blending extrusion, 165 DEG C of extruder barrel temperature, die head temperature 180
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 7:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 200 parts by weight of buffer solution that pH is 5.5 are prepared, are heated to 45 DEG C；The laccase of 0.5 parts by weight is added to
In buffer solution and 10min is stirred, is then added thereto 60 parts by weight wood powders, is warming up to 60 DEG C, handles 3h；Filtering, with steaming
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 12h is dried in vacuo at 45 DEG C, is sieved, is obtained enzyme and change
Property wood powder；
(2), in mass ratio 100: 1: 0.06 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 7.4 of dispersion liquid, and 70 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 7h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 20h is dried in vacuo at 80 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 315: 3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 10min
Obtain acid processing red mud；In mass ratio 100: 430: 120 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 10min, and extruding pelletization, 205 DEG C of die head temperature, is changed by 175 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 10min again；
(7), mix after, using extruder carry out melt blending extrusion, 180 DEG C of extruder barrel temperature, die head temperature 205
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 8:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 250 parts by weight of buffer solution that pH is 4.5 are prepared, are heated to 50 DEG C；The cellulase of 0.1 parts by weight is added
Enter into buffer solution and stir 15min, be then added thereto 70 parts by weight wood powders, be warming up to 50 DEG C, handles 4h；Filtering,
With distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, 10h is dried in vacuo at 50 DEG C, sieves, obtains
Enzyme modification wood powder；
(2), in mass ratio 100: 1.5: 0.08 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 6.8 of fine dispersion liquid, and 75 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 8h,
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, be dried in vacuo at 70 DEG C
25h obtains the wollastonite mine fibre that organises；
(3), in mass ratio 100: 330: 2 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 15min
Obtain acid processing red mud；In mass ratio 100: 460: 110 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 15min, and extruding pelletization, 165 DEG C of die head temperature, is changed by 190 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 15min again；
(7), mix after, using extruder carry out melt blending extrusion, 195 DEG C of extruder barrel temperature, die head temperature 180
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 9:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 200 parts by weight of buffer solution that pH is 5.5 are prepared, are heated to 50 DEG C；The lipase of 0.1 parts by weight is added
Into buffer solution and 15min is stirred, is then added thereto 70 parts by weight wood powders, is warming up to 60 DEG C, handles 3h；Filtering is used
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 10h is dried in vacuo at 45 DEG C, sieves, obtains enzyme
Modified wood powder；
(2), in mass ratio 100: 2: 0.06 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed, it will
Wollastonite mine fibre, which is added to be uniformly mixed in distilled water, forms wollastonite mine fibre dispersion liquid, and it is fine to adjust wollastonite mine with acetum
The pH to 7.4 of dispersion liquid, and 70 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 7h, is taken out
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, 30h is dried in vacuo at 70 DEG C,
Obtain the wollastonite mine fibre that organises；
(3), in mass ratio 100: 315: 3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 15min
Obtain acid processing red mud；In mass ratio 100: 430: 115 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 165 DEG C of die head temperature, is changed by 160 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 20min again；
(7), mix after, using extruder carry out melt blending extrusion, 180 DEG C of extruder barrel temperature, die head temperature 180
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 10:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 250 parts by weight of buffer solution that pH is 4.5 are prepared, are heated to 50 DEG C；The lipase of 0.2 parts by weight is added
Into buffer solution and 20min is stirred, is then added thereto 50 parts by weight wood powders, is warming up to 53 DEG C, handles 5h；Filtering is used
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 10h is dried in vacuo at 50 DEG C, sieves, obtains enzyme
Modified wood powder；
(2), in mass ratio 100: 1.2: 0.04 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 7.4 of fine dispersion liquid, and 76 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 8h,
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, be dried in vacuo at 70 DEG C
For 24 hours, the wollastonite mine fibre that organises is obtained；
(3), in mass ratio 100: 300: 2 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 20min
Obtain acid processing red mud；In mass ratio 100: 450: 110 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 175 DEG C of die head temperature, is changed by 180 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 10min again；
(7), mix after, using extruder carry out melt blending extrusion, 180 DEG C of extruder barrel temperature, die head temperature 180
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 11:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 260 parts by weight of buffer solution that pH is 4.8 are prepared, are heated to 46 DEG C；The laccase of 0.4 parts by weight is added to
In buffer solution and 12min is stirred, is then added thereto 65 parts by weight wood powders, is warming up to 56 DEG C, handles 3.5h；Filtering is used
Distilled water will treated wood powder cleans repeatedly be neutral to cleaning solution after, 11h is dried in vacuo at 44 DEG C, sieves, obtains enzyme
Modified wood powder；
(2), in mass ratio 100: 1.2: 0.07 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 6.9 of fine dispersion liquid, and 78 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred
6.8h is filtered, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, vacuum is dry at 78 DEG C
It is dry for 24 hours, obtain organising wollastonite mine fibre；
(3), in mass ratio 100: 305: 2.3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand 13min
After obtain acid processing red mud；In mass ratio 100: 420: 112 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is
Even, dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 13min, and extruding pelletization, 175 DEG C of die head temperature, is changed by 180 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 17min again；
(7), mix after, using extruder carry out melt blending extrusion, 188 DEG C of extruder barrel temperature, die head temperature 182
DEG C, obtain High-strength wood-plastic composite panel.
Embodiment 12:
A kind of High-strength wood-plastic composite panel is prepared by the raw material for including following parts by weight:
A kind of preparation method of High-strength wood-plastic composite panel comprising following steps:
(1), 200 parts by weight of buffer solution that pH is 4.6 are prepared, are heated to 40 DEG C；The lipase of 0.4 parts by weight is added
Into buffer solution and 12min is stirred, is then added thereto 70 parts by weight wood powders, is warming up to 50 DEG C, handles 3.5h；Filtering,
With distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, 12h is dried in vacuo at 46 DEG C, sieves, obtains
Enzyme modification wood powder；
(2), in mass ratio 100: 1.6: 0.07 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 7.1 of fine dispersion liquid, and 70 DEG C are warming up to, then cetyl trimethylammonium bromide is added thereto, high-speed stirred 8h,
Filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, be dried in vacuo at 72 DEG C
20h obtains the wollastonite mine fibre that organises；
(3), in mass ratio 100: 310: 2 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, after standing 20min
Obtain acid processing red mud；In mass ratio 100: 420: 110 weigh acid processing red mud, distilled water and quick lime respectively, and grinding is uniform,
Dry, screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), by plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, organise wollastonite mine
Fibre, which is placed in mechanical stirring kettle, stirs 20min, and extruding pelletization, 168 DEG C of die head temperature, is changed by 168 DEG C of extruder barrel temperature
Property plastic pellet；
(6), by above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxygen
Agent is placed in mechanical stirring kettle and mechanical stirring 16min again；
(7), mix after, using extruder carry out melt blending extrusion, 173 DEG C of extruder barrel temperature, die head temperature 175
DEG C, obtain High-strength wood-plastic composite panel.
The effect of the embodiment of the present invention 1 is proved below by way of detection
Its testing result (compared with documents) is as follows:
Above-mentioned test result shows that a kind of High-strength wood-plastic composite panel comprehensive mechanical property of the invention is good, special
It is not that after nature places 180d, there is more excellent intensity and hardness conservation rate, uses the longevity with longer than documents
Life.
Claims (9)
1. a kind of High-strength wood-plastic composite panel, it is characterised in that be prepared by the raw material for including following parts by weight:
2. a kind of High-strength wood-plastic composite panel according to claim 1, it is characterised in that by including following weight
The raw material of number is prepared:
3. a kind of High-strength wood-plastic composite panel according to claim 2, it is characterised in that by including following weight
The raw material of number is prepared:
4. a kind of High-strength wood-plastic composite panel described in -3 any claims according to claim 1, it is characterised in that
The plastic pellet uses one of polyethylene, polypropylene, polystyrene；The maleic anhydride grafted plastic particle is
One of maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, maleic anhydride grafted polystyrene are selected and are moulded
Expect that particle is corresponding, i.e., when plastic pellet is polyethylene, selects maleic anhydride grafted polyethylene, when plastic pellet is polypropylene, choosing
With maleic anhydride inoculated polypropylene, when plastic pellet is polystyrene, maleic anhydride grafted polystyrene is selected.
5. a kind of High-strength wood-plastic composite panel described in -3 any claims according to claim 1, it is characterised in that
The modified wood powder is enzyme modified wood powder, and partial size is 40-120 mesh.
6. a kind of High-strength wood-plastic composite panel described in -3 any claims according to claim 1, it is characterised in that
Wollastonite mine fibre draw ratio 10-16: 1 that organises；The melamine polyphosphate average grain diameter is 3-5 μm；Institute
The changed red mud average grain diameter stated is 0.6-1.6 μm.
7. a kind of High-strength wood-plastic composite panel described in -3 any claims according to claim 1, it is characterised in that
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, four [β-(3,5- di-t-butyls
One of 4- hydroxy phenyl) propionic acid] pentaerythritol ester.
8. a kind of production method of High-strength wood-plastic composite panel according to claim 1, it is characterised in that it is made
Make process are as follows:
(1), the buffer solution 200-300 parts by weight that pH is 4.5-5.5 are prepared, are heated to 40-50 DEG C；By 0.1-0.5 parts by weight
Biological enzyme be added in buffer solution and stir 10-20min, then 50-70 parts by weight wood powder is added thereto, is warming up to
50-60 DEG C, handle 3-5h；Filtering, with distilled water will treated wood powder cleans repeatedly be neutrality to cleaning solution after, in 40-50
It is dried in vacuo 10-12h at DEG C, obtains enzyme modification wood powder；
(2), in mass ratio 100: 1-2: 0.04-0.08 distilled water, wollastonite mine fibre and cetyl trimethylammonium bromide are weighed,
Wollastonite mine fibre is added to be uniformly mixed in distilled water and forms wollastonite mine fibre dispersion liquid, adjusts wollastonite mine with acetum
The pH to 6.8-7.4 of fine dispersion liquid, and it is warming up to 70-80 DEG C, then cetyl trimethylammonium bromide is added thereto, high speed
Stir 6-8h, filter, with distilled water will treated wollastonite mine fibre cleans repeatedly be neutrality to cleaning solution after, at 70-80 DEG C
Lower vacuum drying 20-30h obtains the wollastonite mine fibre that organises；
(3), in mass ratio 100: 300-330: 2-3 red mud, distilled water and the concentrated sulfuric acid are weighed respectively, be uniformly mixed, stand 10-
Acid processing red mud is obtained after 20min；In mass ratio 100: 400-460: 110-120 weigh respectively acid processing red mud, distilled water and
Quick lime, grinding is uniformly, dry, and screening obtains changed red mud；
(4), each raw material is weighed by formula ratio；
(5), plastic pellet, maleic anhydride grafted plastic particle, calcium stearate, changed red mud, the wollastonite mine fibre that organises are set
In stirring 10-20min, extruding pelletization, 160-190 DEG C of extruder barrel temperature, die head temperature 165-205 in mechanical stirring kettle
DEG C, obtain modified plastics particle；
(6), above-mentioned modified plastics particle, enzyme modification wood powder, melamine polyphosphate, terpene resin, white oil, antioxidant are set
In in mechanical stirring kettle and again mechanical stirring 10-20min；
(7), after mixing, melt blending extrusion, 165-195 DEG C of extruder barrel temperature, die head temperature are carried out using extruder
155-205 DEG C, obtain High-strength wood-plastic composite panel.
9. a kind of production method of High-strength wood-plastic composite panel according to claim 8, it is characterised in that described
Biological enzyme be one of cellulase, lipase or laccase.
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