CN107459697B - A kind of preparation method of the wood plastic composite for tea table manufacture - Google Patents
A kind of preparation method of the wood plastic composite for tea table manufacture Download PDFInfo
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- CN107459697B CN107459697B CN201710803381.0A CN201710803381A CN107459697B CN 107459697 B CN107459697 B CN 107459697B CN 201710803381 A CN201710803381 A CN 201710803381A CN 107459697 B CN107459697 B CN 107459697B
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- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 26
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 241001122767 Theaceae Species 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002023 wood Substances 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 51
- 230000004048 modification Effects 0.000 claims abstract description 29
- 238000012986 modification Methods 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 238000007710 freezing Methods 0.000 claims description 14
- 230000008014 freezing Effects 0.000 claims description 14
- 230000005251 gamma ray Effects 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- 238000007731 hot pressing Methods 0.000 claims description 11
- 229920001903 high density polyethylene Polymers 0.000 claims description 10
- 239000004700 high-density polyethylene Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 239000010875 treated wood Substances 0.000 claims description 5
- 150000004075 acetic anhydrides Chemical class 0.000 claims description 4
- 238000002386 leaching Methods 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 3
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 3
- KUBYTSCYMRPPAG-UHFFFAOYSA-N ytterbium(3+);trinitrate Chemical compound [Yb+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O KUBYTSCYMRPPAG-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
- 230000032050 esterification Effects 0.000 description 14
- 238000005886 esterification reaction Methods 0.000 description 14
- 239000000835 fiber Substances 0.000 description 9
- 238000009700 powder processing Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- -1 acetic acid Acid anhydride Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of preparation methods of wood plastic composite for tea table manufacture, include the following steps: the processing of (1) wood powder, (2) mixing and molding.The present invention has carried out special modification to the wood powder in wood plastic composite, effectively improve its composite filled effect, the mechanics of final wood plastic composite obtained is significantly improved using characteristic, its synthesis that tea table is made effectively is enhanced using quality, is had good value for applications.
Description
Technical field
The invention belongs to tea table manufacturing technology fields, and in particular to a kind of system of the wood plastic composite for tea table manufacture
Preparation Method.
Background technique
Tea table is essential life appliance in modern people's family life, primarily serves and places teacup, fruit tray, vase
The effect of equal objects.The material of traditional tea table is solid wood board, the disadvantage is that weight is big, heavy, while being also easily damaged by insects, mould corruption
Erosion.The destruction with people for natural resources, the quantity of trees are greatly reduced simultaneously, also require people that cannot abuse timber.
Wood plastic composite is that wood powder and high molecular material are carried out to mixing hot pressing to form, and which not only reduces the usage amounts of timber, together
When can also reduce whole quality, and easy to process, whole manufacturing cost is relatively low, and specious, has and pushes away well
Wide use value.
Although wood plastic composite has good use characteristic, because containing a large amount of polar functional group, tool in wood powder
There is hydrophily, and high molecular material is mainly made of nonpolar molecule, therefore causes interface compatibility between the two poor, it is whole
Mechanical property it is bad, in order to promote whole use characteristic, need to improve the above problem.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of system of wood plastic composite for tea table manufacture is provided
Preparation Method.
The present invention is achieved by the following technical solutions:
A kind of preparation method of the wood plastic composite for tea table manufacture, includes the following steps:
(1) wood powder is handled:
A. wood powder is put into60It is taken out after 15 ~ 20min of radiation treatment in Co- gamma-ray irradiation instrument spare；
B. will operation a treated that wood powder is put into modification liquid immediately, it is 90 ~ 95 that heating, which keeps the temperature of modification liquid,
DEG C, it is taken out after 30 ~ 35min of immersion treatment spare；Each ingredient and its corresponding parts by weight in the modification liquid are as follows: 20 ~ 25 parts of acetic acid
Acid anhydride, 1 ~ 3 part of rare earth nitrades, 100 ~ 110 parts of water；
C. will operation b treated is immediately placed in household freezer after wood powder filters out and carries out freezing processing, taken out after 2 ~ 3h
It is put into freeze drier and is dried, drying to whole water content is taken out spare after being not more than 5%；
(2) mixing and molding:
Step (1) treated wood powder is mixed with high density polyethylene (HDPE) according to mass ratio 1:2 ~ 2.5, is then placed in
20 ~ 25min of mixing process in muller is placed into hot-forming in vulcanizing press after taking-up.
Further, described in step (1) operation a60The accumulated dose of Co- gamma-ray irradiation is 5 ~ 7kGy.
Further, also constantly right with 400 ~ 500 revs/min of revolving speed when immersion treatment described in step (1) operation b
Modification liquid is stirred.
Further, it is any in lanthanum nitrate, cerous nitrate, ytterbium nitrate that step (1), which operates rare earth nitrades described in b,
It is a kind of.
Further, the temperature of freezing processing described in step (1) operation c is -20 ~ -25 DEG C.
Further, temperature control when mixing process described in step (2) is 150 ~ 160 DEG C.
Further, the temperature of hot pressing described in step (2) is 170 ~ 175 DEG C, and the pressure of hot pressing is 8 ~ 10MPa, is protected
When a length of 15 ~ 20min of pressure.
In order to improve the synthesis mechanical characteristic of wood plastic composite, existing multipair wood powder ingredient carries out surface modification treatment, right
It is wherein relatively conventional one of method that wood powder, which carries out esterification treatment modification, and principle is wood powder fiber surface to occur esterification instead
It answers, improves the surface-active of wood powder, promote the compatible associativity between macromolecule raw material, but this mode is the problem is that use second
Anhydride solution carries out that a large amount of acetic acid can be generated when esterification treatment, although acetic acid can promote the progress of esterification, simultaneously can
It degrades to wood-fibred, destroys the structure of wood-fibred, affect whole mechanical strength, present invention improves in wood moulding to this
To the modification processing method of wood powder in composite material manufacture, wherein first being carried out to wood powder60The processing of Co- gamma-ray irradiation, this behaviour
Work can effectively activate the surface-active of wood powder fiber, promote its activity group content, can accelerate the hydroxyl-functional of wood powder fiber
Group and the displacement of the acetyl group in solution of acetic anhydride, at the same the rare earth nitrades added in modification liquid can catalysed promoted esterification instead
The process answered, with60The processing collaboration of Co- gamma-ray irradiation improves the process of esterification, reduces the production quantity of acetic acid, and can
Heating temperature needed for esterification modification is effectively reduced (in existing method to need to be kept for 110 DEG C or more), equally decreases acetic acid more
Production quantity, and acetic acid is reduced to the degradation extent of the destruction of wood powder fiber, conducive to the holding of mechanical characteristic, later again to esterification
Modified wood powder is freezed and has been dried, in esterification, because acetyl group is instead of the hydroxyl group in wood powder,
Thus to which create inflation effects, so that the volume of wood-fibred increases, and the intensity of wood-fibred and the length of fiber, wall thickness etc.
There is significant correlation, therefore esterification modification reaction can promote to a certain extent the mechanical characteristic of wood powder fiber, and be usually esterified anti-
Ying Houhui is directly dried the wood powder after esterification, and the either physical structure of the fiber after being just esterified or chemistry are special
Property it is unstable, be directly dried easily cause inflation effect damage, also just reduce to wood powder fiber mechanics characteristic
The effect of promotion, the present invention directly carry out freezing processing to wood powder after esterification, and low-temperature treatment can consolidate esterification well
Modified effect, the freeze-drying process then carried out can avoid traditional heated drying processing moisture variation and generate punching to wood powder fiber
The problem of hitting stress further avoids its damage to esterification inflation effect, improves the use characteristic of wood powder.
The present invention has the advantage that compared with prior art
The present invention has carried out special modification to the wood powder in wood plastic composite, and it is composite filled to effectively improve its
The mechanics of effect, final wood plastic composite obtained is significantly improved using characteristic, and the synthesis that tea table is made is obtained using quality
To effective enhancing, have good value for applications.
Specific embodiment
Embodiment 1
A kind of preparation method of the wood plastic composite for tea table manufacture, includes the following steps:
(1) wood powder is handled:
A. wood powder is put into60It is taken out after radiation treatment 15min in Co- gamma-ray irradiation instrument spare；
B. will operation a treated that wood powder is put into modification liquid immediately, it is 90 DEG C that heating, which keeps the temperature of modification liquid, leaching
It is taken out after bubble processing 30min spare；Each ingredient and its corresponding parts by weight in the modification liquid are as follows: 20 parts of acetic anhydrides, 1 part of rare earth nitre
Hydrochlorate, 100 parts of water；
C. will operation b treated is immediately placed in household freezer after wood powder filters out and carries out freezing processing, take out and put after 2h
Enter in freeze drier and be dried, drying to whole water content is taken out spare after being not more than 5%；
(2) mixing and molding:
Step (1) treated wood powder is mixed with high density polyethylene (HDPE) according to mass ratio 1:2, is then placed in mixed
Practice mixing process 20min in machine, is placed into after taking-up hot-forming in vulcanizing press.
Further, described in step (1) operation a60The accumulated dose of Co- gamma-ray irradiation is 5kGy.
Further, also with 400 revs/min of revolving speed constantly to modification when immersion treatment described in step (1) operation b
Liquid is stirred.
Further, rare earth nitrades described in step (1) operation b are lanthanum nitrate.
Further, the temperature of freezing processing described in step (1) operation c is -20 DEG C.
Further, temperature control when mixing process described in step (2) is 150 DEG C.
Further, the temperature of hot pressing described in step (2) is 170 DEG C, and the pressure of hot pressing is 8MPa, the duration of pressure maintaining
For 15min.
Embodiment 2
A kind of preparation method of the wood plastic composite for tea table manufacture, includes the following steps:
(1) wood powder is handled:
A. wood powder is put into60It is taken out after radiation treatment 18min in Co- gamma-ray irradiation instrument spare；
B. will operation a treated that wood powder is put into modification liquid immediately, it is 93 DEG C that heating, which keeps the temperature of modification liquid, leaching
It is taken out after bubble processing 32min spare；Each ingredient and its corresponding parts by weight in the modification liquid are as follows: 23 parts of acetic anhydrides, 2 parts of rare earth nitre
Hydrochlorate, 105 parts of water；
C. will operation b treated is immediately placed in household freezer after wood powder filters out and carries out freezing processing, taken out after 2.5h
It is put into freeze drier and is dried, drying to whole water content is taken out spare after being not more than 5%；
(2) mixing and molding:
Step (1) treated wood powder is mixed with high density polyethylene (HDPE) according to mass ratio 1:2.2, is then placed in
Mixing process 23min in muller is placed into hot-forming in vulcanizing press after taking-up.
Further, described in step (1) operation a60The accumulated dose of Co- gamma-ray irradiation is 6kGy.
Further, also with 450 revs/min of revolving speed constantly to modification when immersion treatment described in step (1) operation b
Liquid is stirred.
Further, rare earth nitrades described in step (1) operation b are cerous nitrate.
Further, the temperature of freezing processing described in step (1) operation c is -22 DEG C.
Further, temperature control when mixing process described in step (2) is 155 DEG C.
Further, the temperature of hot pressing described in step (2) is 173 DEG C, and the pressure of hot pressing is 9MPa, the duration of pressure maintaining
For 18min.
Embodiment 3
A kind of preparation method of the wood plastic composite for tea table manufacture, includes the following steps:
(1) wood powder is handled:
A. wood powder is put into60It is taken out after radiation treatment 20min in Co- gamma-ray irradiation instrument spare；
B. will operation a treated that wood powder is put into modification liquid immediately, it is 95 DEG C that heating, which keeps the temperature of modification liquid, leaching
It is taken out after bubble processing 35min spare；Each ingredient and its corresponding parts by weight in the modification liquid are as follows: 25 parts of acetic anhydrides, 3 parts of rare earths
Nitrate, 110 parts of water；
C. will operation b treated is immediately placed in household freezer after wood powder filters out and carries out freezing processing, take out and put after 3h
Enter in freeze drier and be dried, drying to whole water content is taken out spare after being not more than 5%；
(2) mixing and molding:
Step (1) treated wood powder is mixed with high density polyethylene (HDPE) according to mass ratio 1:2.5, is then placed in
Mixing process 25min in muller is placed into hot-forming in vulcanizing press after taking-up.
Further, described in step (1) operation a60The accumulated dose of Co- gamma-ray irradiation is 7kGy.
Further, also with 500 revs/min of revolving speed constantly to modification when immersion treatment described in step (1) operation b
Liquid is stirred.
Further, rare earth nitrades described in step (1) operation b are ytterbium nitrate.
Further, the temperature of freezing processing described in step (1) operation c is -25 DEG C.
Further, temperature control when mixing process described in step (2) is 160 DEG C.
Further, the temperature of hot pressing described in step (2) is 175 DEG C, and the pressure of hot pressing is 10MPa, pressure maintaining when
A length of 20min.
Comparative example 1
This comparative example 1 compared with Example 2, saves step (1) wood powder processing operation a processing, method in addition to this
Step is all the same.
Comparative example 2
This comparative example 2 compared with Example 2, saves the rare earth nitre in step (1) wood powder processing operation b in modification liquid
Hydrochlorate ingredient, method and step in addition to this are all the same.
Comparative example 3
This comparative example 3 compared with Example 2, saves the freezing processing and freezing in step (1) wood powder processing operation c
It is dried, is changed to directly to operate b treated and is dried in wood powder is put into 105 DEG C of environment, in addition to this
Method and step is all the same.
Comparative example 4
This comparative example 4 compared with Example 2, saves step (1) wood powder processing operation a processing, saves step (1) wood
Rare earth nitrades ingredient in powder processing operation b in modification liquid, while also saving the freezing in step (1) wood powder processing operation c
Processing and freeze-drying process, are changed to directly to operate b treated in wood powder is put into 105 DEG C of environment place are dried
Reason, method and step in addition to this are all the same.
Control group
The preparation method of existing wood plastic composite.
In order to compare effect of the present invention, to above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3,
Wood plastic composite made from comparative example 4, control group the method is tested for the property, and wood powder used in each group is birch
Wood powder, specific correlation data are as shown in table 1 below:
Table 1
| Tensile strength (MPa) | Bending strength (MPa) | |
| Embodiment 2 | 34.64 | 55.87 |
| Comparative example 1 | 26.38 | 47.42 |
| Comparative example 2 | 28.44 | 49.21 |
| Comparative example 3 | 30.15 | 52.36 |
| Comparative example 4 | 23.84 | 42.10 |
| Control group | 23.51 | 41.36 |
Note: tensile strength described in upper table 1 is tested referring to GB/T 1040.4-2006；The bending strength ginseng
It is tested according to GB/T 9341-2008.
The mechanical characteristic of wood plastic composite made from preparation method of the present invention has good increasing it can be seen from upper table 1
Strong integrated quality obtains good improvement, great popularizing value.
Claims (7)
1. a kind of preparation method of the wood plastic composite for tea table manufacture, which comprises the steps of:
(1) wood powder is handled:
A. wood powder is put into60It is taken out after 15 ~ 20min of radiation treatment in Co- gamma-ray irradiation instrument spare；
B. will operation a treated that wood powder is put into modification liquid immediately, it is 90 ~ 95 DEG C that heating, which keeps the temperature of modification liquid, leaching
It is taken out after 30 ~ 35min of bubble processing spare；Each ingredient and its corresponding parts by weight in the modification liquid are as follows: 20 ~ 25 parts of acetic anhydrides, 1 ~ 3
Part rare earth nitrades, 100 ~ 110 parts of water；
C. will operation b treated is immediately placed in household freezer after wood powder filters out and carries out freezing processing, take out and be put into after 2 ~ 3h
It is dried in freeze drier, drying to whole water content is taken out spare after being not more than 5%；
(2) mixing and molding:
Step (1) treated wood powder is mixed with high density polyethylene (HDPE) according to mass ratio 1:2 ~ 2.5, is then placed in mixed
20 ~ 25min of mixing process in mill is placed into hot-forming in vulcanizing press after taking-up.
2. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
Step (1) operates described in a60The accumulated dose of Co- gamma-ray irradiation is 5 ~ 7kGy.
3. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
Place is constantly also stirred to modification liquid with 400 ~ 500 revs/min of revolving speed when immersion treatment described in step (1) operation b
Reason.
4. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
Step (1) operates rare earth nitrades described in b as any one in lanthanum nitrate, cerous nitrate, ytterbium nitrate.
5. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
The temperature that step (1) operates freezing processing described in c is -20 ~ -25 DEG C.
6. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
Temperature control when mixing process described in step (2) is 150 ~ 160 DEG C.
7. a kind of preparation method of wood plastic composite for tea table manufacture according to claim 1, which is characterized in that
The temperature of hot pressing described in step (2) is 170 ~ 175 DEG C, and the pressure of hot pressing is 8 ~ 10MPa, pressure maintaining when it is a length of 15 ~
20min。
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| CN110982143A (en) * | 2019-11-29 | 2020-04-10 | 安徽霖园外新材料有限公司 | Wood-plastic floor for kitchen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775167A (en) * | 2010-01-18 | 2010-07-14 | 河南省科学院同位素研究所有限责任公司 | Environment protective plastic-wood composite material and preparation method thereof |
| CN102604406A (en) * | 2012-03-19 | 2012-07-25 | 浙江大学 | Method for manufacturing section bar by means of irradiation grafting |
| CN104725705A (en) * | 2015-03-24 | 2015-06-24 | 湖州国信物资有限公司 | Method for preparing novel polyethylene wood-plastic composite material |
| CN104927197A (en) * | 2015-06-30 | 2015-09-23 | 黑龙江省科学院技术物理研究所 | Antibacterial wood plastic composite preparation method through gamma rays |
| CN105440632A (en) * | 2015-12-22 | 2016-03-30 | 芜湖恒坤汽车部件有限公司 | High-strength clutch pulling rod material and preparation method thereof |
-
2017
- 2017-09-08 CN CN201710803381.0A patent/CN107459697B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775167A (en) * | 2010-01-18 | 2010-07-14 | 河南省科学院同位素研究所有限责任公司 | Environment protective plastic-wood composite material and preparation method thereof |
| CN102604406A (en) * | 2012-03-19 | 2012-07-25 | 浙江大学 | Method for manufacturing section bar by means of irradiation grafting |
| CN104725705A (en) * | 2015-03-24 | 2015-06-24 | 湖州国信物资有限公司 | Method for preparing novel polyethylene wood-plastic composite material |
| CN104927197A (en) * | 2015-06-30 | 2015-09-23 | 黑龙江省科学院技术物理研究所 | Antibacterial wood plastic composite preparation method through gamma rays |
| CN105440632A (en) * | 2015-12-22 | 2016-03-30 | 芜湖恒坤汽车部件有限公司 | High-strength clutch pulling rod material and preparation method thereof |
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