CN107033487A - A kind of enhanced wood plastic composite and preparation method thereof - Google Patents
A kind of enhanced wood plastic composite and preparation method thereof Download PDFInfo
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
Include the component of following parts by weight the invention discloses a kind of enhanced wood plastic composite：30~60 parts of modified wood powder, 50~100 parts of polyvinyl chloride, 5~10 parts of initiator, 5~10 parts of polymethylene multi-phenenyl isocyanate, 5~10 parts of insect gall, 1~5 part of triclosan, 5~10 parts of hexahydro golden hop acetone, 5~15 parts of 1~5 part of light stabilizer, 2~5 parts of lubricant and calcium carbonate.Its preparation method is：(1) modified wood powder, polyvinyl chloride, initiator, polymethylene multi-phenenyl isocyanate and calcium carbonate are weighed by formula, mixed；(2) mixture is placed in kneading machine, 10~15min of mixing, then insect gall, triclosan, hexahydro golden hop acetone and light stabilizer is added in kneading machine, 8~10min of mixing；(3) mixing thing and lubricant are added in vulcanizing press, obtains enhanced wood plastic composite.The preparation method can improve the tensile strength and impact strength of product, reduce the aging speed of product.
Description
Technical field
The present invention relates to field of compound material, and in particular to a kind of enhanced wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite (Wood-PlasticsComposites, abbreviation WPC) is to utilize thermoplastic cement, including poly- second
Alkene, polypropylene, polyvinyl chloride and their copolymer etc. are as adhesive, with wooden powder such as timber, agriculture straw, agriculture
Plant shell class thing powder is inserts, is molded through extrusion or pressing, injection moulding are molded formed composite.
In recent years, develop because the wood materials of wood plastic composite are expanding to various sponges, therefore,
From saying in broad sense, wood plastic composite is that, using various strings as matrix, the class from the formation of different plastics is new multiple
Condensation material.The material has the advantages that both string and high polymer material, can substitute timber, can effectively alleviate China gloomy
Woods natural resources shortage, wood supply contradiction in short supply, be mainly used in building materials, auto industry, the packed and transported of goods, warehousing industry,
In terms of ornament materials and daily life toolses.Due to string recyclability, can be by dissolving property of environment, so WPC is
A kind of green material of great development prospect, its production technology is also considered as a vital innovative technology.
Wood plastic composite not only has the distinctive woodiness touch of log, and it has preferable mechanical performance, size steady
Qualitative good, water resistance, wearability, chemical resistance are excellent, and maintenance requirement is low, it is easy to be molded, can secondary operation etc. it is numerous excellent
Different in nature energy, but still suffer from tensile strength, impact strength deficiency, the problems such as aging speed is fast.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of enhanced wood plastic composite and its preparation side
Method, can effectively solve existing wood plastic composite tensile strength, impact strength deficiency, the problems such as aging speed is fast.
To solve above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of enhanced wood plastic composite, includes the component of following parts by weight：
30~60 parts of modified wood powder, 50~100 parts of polyvinyl chloride, 5~10 parts of initiator, polymethylene polyphenyl isocyanic acid
5~10 parts of ester, 5~10 parts of triclosan, 5~10 parts of hexahydro golden hop acetone, 1~5 part of light stabilizer, 2~5 parts of lubricant and carbon
Sour 5~15 parts of calcium；
The modified wood powder, which is prepared by the following method, to be obtained：
(1) under 2.2~3.8MPa, 1~15min of Steam explosion treatment is carried out to wood powder, obtains pre-processing wood powder；
(2) coupling agent is dissolved in second alcohol and water (V:V=4~9:1) in mixed solution, pretreatment wood powder is then added,
It is finally 2~4 to stir 2~4h under the conditions of 40~60 DEG C with hydrochloric acid conditioning solution pH value, filtering, filter residue is placed in 110~
1~1.5h is dried under the conditions of 130 DEG C, modified wood powder is obtained；Wherein, coupling agent, the mixed solution of second alcohol and water and wood powder
Mass ratio is 3~6:100:30~60.
Further, a kind of enhanced wood plastic composite, includes the component of following parts by weight：It is 40 parts of modified wood powder, poly-
50 parts of vinyl chloride, 8 parts of initiator, 6 parts of polymethylene multi-phenenyl isocyanate, 8 parts of insect gall, 8 parts of triclosan, hexahydro golden hop acetone
8 parts of 6 parts, 1.5 parts of light stabilizer, 3 parts of lubricant and calcium carbonate.
Further, initiator is benzoyl peroxide or TBHP.
Further, coupling agent is silane resin acceptor kh-550, cumyl hydroperoxide, Aluminate or ethylene-acrylic acid
Methyl esters.
Further, the mass ratio of coupling agent, the mixed solution of second alcohol and water and wood powder is 1:50:10.
Further, lubricant is hard cholic acid zinc, ethylene bis stearic acid amide, lead stearate, Tissuemat E, paraffin or oxygen
Change Tissuemat E.
Further, light stabilizer is light stabilizer ZX-70, light stabilizer 622 or hindered amine as light stabilizer HS-944.
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh respectively modified wood powder, polyvinyl chloride, initiator, polymethylene multi-phenenyl isocyanate and
Calcium carbonate, is placed in mixer and is well mixed, obtain mixture；
(2) mixture of gained in step (1) is placed in the open kneading machine that double roller temperature is 170 DEG C~180 DEG C,
10~15min of mixing, then insect gall, triclosan, hexahydro golden hop acetone and light stabilizer are added in open kneading machine, continue mixed
Melt 8~10min, obtain mixing thing；
(3) by the mixing thing and mix lubricant of gained in step (2), it is placed in vulcanizing press, 175 DEG C~190
DEG C, under the conditions of 11~15MPa, 8~12min of hot pressing, then at 5~8min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Further, the treatment conditions in step (3) in vulcanizing press are：180 DEG C, under the conditions of 12.5MPa, hot pressing
10min, then at being cold-pressed 8min at room temperature.
Beneficial effects of the present invention are：Wood powder is pre-processed by way of steam blasting, the fibre in wood powder can be made
Tie up cellulose content to improve, wood powder surface is become concavo-convex coarse, tensile strength, the bending strength of wood plastic composite can be lifted
And impact strength.
The wood powder after Steam explosion treatment is handled using coupling agent, modified wood powder, wood powder and coupling agent is made
Mass ratio is 10:When 1, the best results of wood powder modification；Modified wood powder and polyvinyl chloride are carried out into melting to be combined, power is made
Learn that function admirable, water absorption rate be low and wood plastics composite thing with preferable outward appearance.
- N=C=O functional groups in polymethylene multi-phenenyl isocyanate can set up altogether with the-OH groups in modified wood powder
Valence link, forms urea chain, and the polymer chain of polymethylene multi-phenenyl isocyanate has well compatible with PVC base system
Property, by the effect of polymethylene multi-phenenyl isocyanate, the impact strength and tensile strength of composite can be lifted.
By adding insect gall, triclosan and hexahydro golden hop acetone, the pest problem of wood plastic composite can be effectively solved,
Addition light stabilizer can effectively solve the problem of wood plastic composite aging speed is fast.
Embodiment
The embodiment to the present invention is described below, in order to which those skilled in the art understand this hair
It is bright, it should be apparent that the invention is not restricted to the scope of embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that appended claim is limited and is determined, these changes are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
Embodiment 1
A kind of enhanced wood plastic composite, includes the component of following parts by weight：30 parts of modified wood powder, polyvinyl chloride 60
Part, 5 parts of benzoyl peroxide, 5 parts of polymethylene multi-phenenyl isocyanate, 5 parts of insect gall, 5 parts of triclosan, hexahydro golden hop acetone 6
Part, 6221 parts of light stabilizer, 2 parts of Tissuemat E and 5 parts of calcium carbonate, modified wood powder particle diameter are 50 mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 50 mesh sieves was taken, under conditions of 2.8MPa, Steam explosion treatment 3min obtains pre-processing wood powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=4:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 2 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 115 DEG C
1h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is 3:
100:30。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh modified wood powder, polyvinyl chloride, benzoyl peroxide, polymethylene multi-phenenyl isocyanate with
And calcium carbonate is placed in mixer and is well mixed, and obtains mixture；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 175 DEG C, mixing 12min,
Insect gall, triclosan, hexahydro golden hop acetone and light stabilizer 622 are added in open kneading machine again, continues mixing 8min, obtains
Mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, be placed in vulcanizing press, at 170 DEG C, 15MPa's
Under the conditions of, hot pressing 8min, then at 5min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Embodiment 2
A kind of enhanced wood plastic composite, includes the component of following parts by weight：40 parts of modified wood powder, polyvinyl chloride 50
Part, 8 parts of benzoyl peroxide, 6 parts of polymethylene multi-phenenyl isocyanate, 8 parts of insect gall, 8 parts of triclosan, hexahydro golden hop acetone 6
Part, 6221.5 parts of light stabilizer, 3 parts of Tissuemat E and 8 parts of calcium carbonate, modified wood powder particle diameter are 70 mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 70 mesh sieves was taken, under conditions of 2.2MPa, Steam explosion treatment 1min obtains pre-processing wood powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=5:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 3 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 115 DEG C
1h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is 4:
100:40。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh modified wood powder, polyvinyl chloride, benzoyl peroxide, polymethylene multi-phenenyl isocyanate with
And calcium carbonate is placed in mixer and is well mixed, and obtains mixture；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 170 DEG C, mixing 12min,
Insect gall, triclosan, hexahydro golden hop acetone and light stabilizer 622 are added in open kneading machine again, continue mixing 10min,
Obtain mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, be placed in vulcanizing press, in 180 DEG C, 12.5MPa
Under conditions of, hot pressing 10min, then at 8min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Embodiment 3
A kind of enhanced wood plastic composite, includes the component of following parts by weight：60 parts of modified wood powder, polyvinyl chloride 70
Part, 10 parts of benzoyl peroxide, 10 parts of polymethylene multi-phenenyl isocyanate, 10 parts of insect gall, 10 parts of triclosan, hexahydro golden hop third
15 parts of 10 parts of ketone, 6225 parts of light stabilizer, 5 parts of Tissuemat E and calcium carbonate, modified wood powder particle diameter are 80 mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 80 mesh sieves was taken, under conditions of 2.5MPa, Steam explosion treatment 2min obtains pre-processing wood powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=9:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 4 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 125 DEG C
1h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is 6:
100:60。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh modified wood powder, polyvinyl chloride, benzoyl peroxide, polymethylene multi-phenenyl isocyanate with
And calcium carbonate is placed in mixer and is well mixed, and obtains mixture；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 180 DEG C, mixing 12min,
Insect gall, triclosan, hexahydro golden hop acetone and light stabilizer 622 are added in open kneading machine again, continues mixing 9min, obtains
Mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, added in vulcanizing press, at 190 DEG C, 11MPa's
Under the conditions of, hot pressing 15min, then at 5min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Embodiment 4
A kind of enhanced wood plastic composite, includes the component of following parts by weight：50 parts of modified wood powder, polyvinyl chloride 65
Part, 10 parts of polymethylene multi-phenenyl isocyanate, 6 parts of insect gall, 7 parts of triclosan, 9 parts of hexahydro golden hop acetone, light stabilizer 6222
9 parts of part, 2 parts of Tissuemat E and calcium carbonate, modified wood powder particle diameter are 75 mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 75 mesh sieves was taken, under conditions of 2.5MPa, Steam explosion treatment 1.5min obtains pretreatment wood
Powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=6:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 3 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 110 DEG C
1.3h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is
5:100:50。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh modified wood powder, polyvinyl chloride, polymethylene multi-phenenyl isocyanate and calcium carbonate be placed in it is mixed
It is well mixed in conjunction machine, obtains mixture；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 175 DEG C, mixing 15min,
Insect gall, triclosan, hexahydro golden hop acetone and light stabilizer 622 are added in open kneading machine again, continue mixing 10min,
Obtain mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, added in vulcanizing press, at 180 DEG C, 13MPa's
Under the conditions of, hot pressing 9min, then at 6min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Embodiment 5
A kind of enhanced wood plastic composite, includes the component of following parts by weight：45 parts of modified wood powder, polyvinyl chloride 70
Part, 5 parts of benzoyl peroxide, 5 parts of insect gall, 8 parts of triclosan, 6223 parts of light stabilizer, 3 parts of Tissuemat E and calcium carbonate 12
Part, modified wood powder particle diameter is 120 mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 120 mesh sieves was taken, under conditions of 2.2MPa, Steam explosion treatment 1min obtains pretreatment wood
Powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=5:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 3 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 115 DEG C
1h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is
4.5:100:45。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) modified wood powder, polyvinyl chloride, benzoyl peroxide and calcium carbonate are weighed by formula and is placed in mixing in mixer
Uniformly, mixture is obtained；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 176 DEG C, mixing 10min,
Insect gall, triclosan and light stabilizer 622 are added in open kneading machine again, continues mixing 8min, obtains mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, added in vulcanizing press, in 180 DEG C, 12.5MPa
Under conditions of, hot pressing 11min, then at 7min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Embodiment 6
A kind of enhanced wood plastic composite, includes the component of following parts by weight：55 parts of modified wood powder, polyvinyl chloride 60
Part, 7 parts of hexahydro golden hop acetone, 6224 parts of light stabilizer, 5 parts of Tissuemat E and 12 parts of calcium carbonate, modified wood powder particle diameter are 60
Mesh.
Wherein, modified wood powder, which is prepared by the following method, obtains：
(1) wood powder of 60 mesh sieves was taken, under conditions of 2.4MPa, Steam explosion treatment 1.5min obtains pretreatment wood
Powder；
(2) Silane coupling agent KH550 is dissolved in second alcohol and water (V:V=8:1) in mixed solution, pretreatment is then added
Wood powder, finally stirs 3h for 2 with hydrochloric acid conditioning solution pH value under the conditions of 60 DEG C, filters, filter residue is placed under the conditions of 130 DEG C
1h is dried, modified wood powder is obtained；Wherein, the mass ratio of Silane coupling agent KH550, the mixed solution of second alcohol and water and wood powder is
5.5:100:55。
The preparation method of above-mentioned enhanced wood plastic composite, comprises the following steps：
(1) by formula weigh modified wood powder, polyvinyl chloride and calcium carbonate be placed in mixer be well mixed, must mix
Thing；
(2) mixture in step (1) is added in the open kneading machine that double roller temperature is 173 DEG C, mixing 13min,
Hexahydro golden hop acetone 6 is weighed again and light stabilizer 622 is added in open kneading machine, is continued mixing 10min, is obtained mixing thing；
(3) the mixing thing in step (2) is mixed with Tissuemat E, added in vulcanizing press, in 175 DEG C, 13.5MPa
Under conditions of, hot pressing 10min, then at 7min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
Comparative example 1
The wood plastic composite composition and content lack insect gall, triclosan and hexahydro golden hop acetone compared with Example 2, its
Remaining composition and content are same as Example 2, and preparation method is also identical.
Comparative example 2
The wood plastic composite composition and content lack insect gall, triclosan, hexahydro golden hop acetone and light compared with Example 2
Stabilizer 622, remaining composition and content are same as Example 2, and preparation method is also identical.
Experimental example
Under equal conditions, the gained of embodiment 1~6 is produced using microcomputer controlled electronic universal tester and shock machine
Product carry out tensile strength and impact strength detection, and testing result is shown in Table 1：
The tensile strength of table 1 and impact strength testing result
It can be seen from table 1, the tensile strength and impact strength of the enhanced wood plastic composite of the gained of embodiment 1~4 are bright
It is aobvious to be better than the enhanced wood plastic composite of the gained of embodiment 5 and 6, wherein, the best results of embodiment 2.
Embodiment 1~4 contains polymethylene multi-phenenyl isocyanate, and embodiment 5 and 6 is not more containing polymethylene
Phenyl isocyanate, and embodiment 4 is free of benzoyl peroxide, shows that polymethylene multi-phenenyl isocyanate has lifting wood
The effect of the tensile strength and impact strength of plastic composite materials, and benzoyl peroxide is to the tensile strength of wood plastic composite
Influence is had no with impact strength.
The enhanced wood plastic composite of the wood plastic composite of comparative example 1 and comparative example 2 and embodiment 2 is in identical environment
Under resting period of (20-25 DEG C of temperature, substantial light is shone, under micro- wet environment) compare, comparative example 2 is compared with comparative example 1 and embodiment
2, aging speed is most fast, and comparative example 1 and comparative example 2 are easily stayed by insect and stung, and embodiment 2 can be deposited the longer time, and
Do not find to be stayed by insect and sting, be not in the fungus attacks phenomenon such as mouldy yet.
Claims (9)
1. a kind of enhanced wood plastic composite, it is characterised in that：Include the component of following parts by weight：
30~60 parts of modified wood powder, 50~100 parts of polyvinyl chloride, 5~10 parts of initiator, polymethylene multi-phenenyl isocyanate 5
~10 parts, 5~10 parts of insect gall, 1~5 part of triclosan, 5~10 parts of hexahydro golden hop acetone, 1~5 part of light stabilizer, lubricant 2~5
5~15 parts of part and calcium carbonate；
The modified wood powder, which is prepared by the following method, to be obtained：
(1) under 2.2~3.8MPa, 1~15min of Steam explosion treatment is carried out to wood powder, obtains pre-processing wood powder；
(2) coupling agent is dissolved in second alcohol and water (V:V=4~9:1) in mixed solution, pretreatment wood powder is then added, finally
It is 2~4 2~4h of stirring, filterings under the conditions of 40~60 DEG C with hydrochloric acid conditioning solution pH value, filter residue is placed in 110~130 DEG C
Under the conditions of dry 1~1.5h, obtain modified wood powder；Wherein, the mass ratio of coupling agent, the mixed solution of second alcohol and water and wood powder
For 3~6:100:30~60.
2. enhanced wood plastic composite according to claim 1, it is characterised in that include the component of following parts by weight：
40 parts of modified wood powder, 50 parts of polyvinyl chloride, 8 parts of initiator, 6 parts of polymethylene multi-phenenyl isocyanate, 8 parts of insect gall, triclosan 8
Part, 6 parts of hexahydro golden hop acetone, 1.5 parts of light stabilizer, 3 parts of lubricant and 8 parts of calcium carbonate.
3. enhanced wood plastic composite according to claim 1 or 2, it is characterised in that：The initiator is peroxidating
Benzoyl or TBHP.
4. enhanced wood plastic composite according to claim 1, it is characterised in that：The coupling agent is silane coupler
KH-550, cumyl hydroperoxide, Aluminate or ethylene-methyl acrylate.
5. enhanced wood plastic composite according to claim 1, it is characterised in that：The coupling agent, second alcohol and water
The mass ratio of mixed solution and wood powder is 1:50:10.
6. enhanced wood plastic composite according to claim 1 or 2, it is characterised in that：The lubricant is hard cholic acid
Zinc, ethylene bis stearic acid amide, lead stearate, Tissuemat E, paraffin or OPE.
7. enhanced wood plastic composite according to claim 1 or 2, it is characterised in that：The light stabilizer is that light is steady
Determine agent ZX-70, light stabilizer 622 or hindered amine as light stabilizer HS-944.
8. the preparation method of the enhanced wood plastic composite described in any one of claim 1~7, it is characterised in that including with
Lower step：
(1) modified wood powder, polyvinyl chloride, initiator, polymethylene multi-phenenyl isocyanate and carbonic acid are weighed respectively by formula
Calcium, is placed in mixer and is well mixed, obtain mixture；
(2) mixture of gained in step (1) is placed in the open kneading machine that double roller temperature is 170 DEG C~180 DEG C, mixing
10~15min, then insect gall, triclosan, hexahydro golden hop acetone and light stabilizer are added in open kneading machine, continue mixing 8
~10min, obtains mixing thing；
(3) by the mixing thing and mix lubricant of gained in step (2), be placed in vulcanizing press, 170 DEG C~190 DEG C, 11
Under the conditions of~15MPa, 8~12min of hot pressing, then at 5~8min is cold-pressed at room temperature, obtains enhanced wood plastic composite.
9. the preparation method of enhanced wood plastic composite according to claim 8, it is characterised in that：In step (3)
Treatment conditions in vulcanizing press are：180 DEG C, under the conditions of 12.5MPa, hot pressing 10min, then at being cold-pressed 8min at room temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988709A (en) * | 2017-12-12 | 2018-05-04 | 马鞍山市鑫程纳米新材料科技有限公司 | A kind of processing method for improving non-woven fabrics toughness |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103102591A (en) * | 2013-01-30 | 2013-05-15 | 广东省微生物研究所 | Environmentally-friendly mould-proofing wood-plastic composite material and preparation method thereof |
| CN105419372A (en) * | 2015-12-27 | 2016-03-23 | 泉州市奈斯材料科技有限公司 | Method of preparing wood-plastic composite material with modified wood powder and waste plastic |
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| CN107988709B (en) * | 2017-12-12 | 2021-06-08 | 马鞍山市鑫程纳米新材料科技有限公司 | Processing method for improving toughness of non-woven fabric |
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Application publication date: 20170811 |