CN102276889A - High-density polyethylene wood-plastic composite pipe and preparation method thereof - Google Patents
High-density polyethylene wood-plastic composite pipe and preparation method thereof Download PDFInfo
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- CN102276889A CN102276889A CN2010101963639A CN201010196363A CN102276889A CN 102276889 A CN102276889 A CN 102276889A CN 2010101963639 A CN2010101963639 A CN 2010101963639A CN 201010196363 A CN201010196363 A CN 201010196363A CN 102276889 A CN102276889 A CN 102276889A
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- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 79
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 79
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 32
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000002023 wood Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- ACOGMWBDRJJKNB-UHFFFAOYSA-N acetic acid;ethene Chemical group C=C.CC(O)=O ACOGMWBDRJJKNB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229920006243 acrylic copolymer Polymers 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229920001038 ethylene copolymer Polymers 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 235000012054 meals Nutrition 0.000 abstract 2
- 239000000945 filler Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229940089401 xylon Drugs 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-density polyethylene wood-plastic composite pipe which comprises the following raw materials in proportion: 100 parts of high-density polyethylene, 20-40 parts of wood meal, 3-5 parts of solubilizer, 5-10 parts of filler and 1-4 parts of lubricating agent. A preparation method comprises the steps of: firstly, treating the wood meal in advance, then adding all the components into a high-speed mixer in parts by weight, primarily mixing for 3-5min, and mixing and stirring to a uniform state; and extruding and granulating the primarily mixed materials in a double-screw extruder, wherein the temperature is controlled at 190-210 DEG C; and finally, feeding dried mixed materials into a pipe extruder, and extruding to obtain a high-density polyethylene wood-plastic composite pipe product. The preparation method has the advantages of simple process and convenience for operation, and the prepared high-density polyethylene wood-plastic composite pipe has excellent properties such as high modulus, high strength, high dimensional stability and the like.
Description
Technical field
The present invention relates to a kind of composite pipe, being specifically related to is a kind of high density polyethylene(HDPE) wood plastic composite pipe and preparation method.
Background technology
A kind of type material that different processing modes such as wood plastic composite is to be raw material with timber and plastics, adds modified additives such as coupling agent, and is compound through hot pressing, as to melt extrude are made.This material can be given full play to the advantage of each component, overcomes use limitation low because of strength of wood, that variability is big etc. causes, can overcome organic materials low elastic modulus etc. again and use defective.And can improve the physical and mechanical property and the processing characteristics of material, and reduce cost, and enlarge its range of application, improve the added value of material.Door and window, template, floor, furred ceiling and the roof boarding of building field have been widely used at present, the carrying backing plate and the pallet of packaging field, the railroad sleeper of field of traffic and the noise baffle of motorway etc.
Xylon is cheap and easy to get and have certain intensity, can be used as toughener and improves polyolefinic mechanical property and reduce production costs.In addition, xylon has biological degradability as the natural reproducible material, is a kind of novel material of " white pollution " at present that alleviates.Chinese patent CN1603088A in the prior art, open day on April 6th, 2005, disclosing " production method of material and the wood-plastic products that uses this method to make ", is that wood working is become wood powder, puts in the mixing roll, add activator, and UPVC or PVC and various auxiliary agent, mixing once more, granulation, surface treatment is carried out in moulding at last.But prior art is because easily suction, and the characteristic that polarity is also very strong makes that its consistency with plastics is very poor, and processing technology is had relatively high expectations, and the machine-shaping device of Wood-plastic material is required height.
Summary of the invention
In order to overcome above defective, the technical problem to be solved in the present invention is: a kind of high density polyethylene(HDPE) wood plastic composite pipe and preparation method, technology is simple, and is easy to operate, and this material has premium propertiess such as high-modulus, high strength, high-dimensional stability.
The technical solution adopted in the present invention is: a kind of high density polyethylene(HDPE) wood plastic composite pipe, and this is moulded wooden composite pipe raw material composition proportioning and comprises:
100 parts of high density polyethylene(HDPE)s,
20 parts～40 parts of wood powders,
3～5 parts of solubilizing agent,
5～10 parts of weighting agents,
1～4 part of lubricant.
According to another preferred embodiment, the wooden plastic composite pipe of a kind of high density polyethylene(HDPE) comprises that further this wood plastic composite raw material composition proportioning comprises:
100 parts of high density polyethylene(HDPE)s,
20 parts～25 parts of wood powders,
3～5 parts of solubilizing agent,
5～10 parts of weighting agents,
1～2 part of lubricant.
According to another preferred embodiment, the wooden plastic composite pipe of a kind of high density polyethylene(HDPE) comprises that further this wood plastic composite raw material composition proportioning comprises:
100 parts of high density polyethylene(HDPE)s,
24 parts of wood powders,
4 parts of solubilizing agent,
8 parts of weighting agents,
1.5 parts of lubricants.
According to another preferred embodiment, a kind of high density polyethylene(HDPE) wood plastic composite pipe comprises that further described solubilizing agent is a kind of in maleic anhydride modified polyethylene, ethene one acrylic copolymer or ethene one acetate ethylene copolymer.
According to another preferred embodiment, the wooden plastic composite pipe of a kind of high density polyethylene(HDPE) comprises that further described weighting agent is acicular wollastonite.
According to another preferred embodiment, the wooden plastic composite pipe of a kind of high density polyethylene(HDPE) comprises that further described lubricant is one or more of paraffin, glycerine or hard ester acid.
The invention also discloses a kind of preparation method of high density polyethylene(HDPE) wood plastic composite pipe, this method comprises the steps:
(1) pre-treatment of wood powder: wood powder is placed baking oven, 120 ℃ of oven dry 10-15h;
(2) press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring;
(3) will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 190-210 ℃;
(4) compound that will dry is put in the pipe extruder, extrude high density polyethylene(HDPE) wood plastic composite material products.
According to another preferred embodiment, a kind of preparation method of high density polyethylene(HDPE) wood plastic composite pipe comprises that further described each section of pipe extruder of step (4) temperature is that one section temperature is 95 ℃, two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min.
The invention has the beneficial effects as follows:
1, this project is carried out blend with auxiliary agents such as wood powder and coupling agent, expanding material and high density polyethylene(HDPE) and acicular wollastonite, then through double-screw extruding pelletizing, utilize the granulation material to extrude and increase firm wooden plastic composite pipe, the purer HDPE tubing of this composite pipe intensity and rigidity significantly improves, tubing linear shrinkage, over-all propertieies such as tensile strength are significantly increased.
2, the present invention has enlarged the Application Areas of wooden plastic composite pipe, can apply to be expected to be used for municipal administration and bury fields such as ground draining, blowdown.
3, improve the comprehensive utilization ratio of discarded wood powder resource, reduction is dealt with the harm that environment is caused improperly because of discarded wood powder resource and has been opened up new way.
Embodiment
The present invention is further detailed explanation for the knot preferred embodiment now.
Embodiment 1
100 parts of high density polyethylene(HDPE)s, 40 parts of wood powders, 5 parts of maleic anhydride modified polyethylene, 10 parts of acicular wollastonites, 4 parts in paraffin.
Making method is: wood powder is placed baking oven, 120 ℃ of oven dry 10h; Press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring; Will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 190 ℃; The compound of having dried is put in the pipe extruder, and each section of pipe extruder temperature is that one section temperature is 95 ℃, and two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min, extrude high density polyethylene(HDPE) wood plastic composite material products 1.
Embodiment 2
100 parts of high density polyethylene(HDPE)s, 25 parts of wood powders, 4 parts of ethene one acrylic copolymer, 8 parts of acicular wollastonites, 2 parts of glycerine.
Making method is: wood powder is placed baking oven, 120 ℃ of oven dry 12h; Press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring; Will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 200 ℃; The compound of having dried is put in the pipe extruder, and each section of pipe extruder temperature is that one section temperature is 95 ℃, and two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min, extrude high density polyethylene(HDPE) wood plastic composite material products 2.
Embodiment 3
100 parts of high density polyethylene(HDPE)s, 20 parts of wood powders, 3 parts of ethene one acetate ethylene copolymers, 5 parts of acicular wollastonites, 2 parts of hard ester acid.
Making method is: wood powder is placed baking oven, 120 ℃ of oven dry 14h; Press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring; Will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 200 ℃; The compound of having dried is put in the pipe extruder, and each section of pipe extruder temperature is that one section temperature is 95 ℃, and two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min, extrude high density polyethylene(HDPE) wood plastic composite material products 3.
Embodiment 4
100 parts of high density polyethylene(HDPE)s, 24 parts of wood powders, 4 parts of maleic anhydride modified polyethylene, 8 parts of acicular wollastonites, 1.5 parts in paraffin.
Making method is: wood powder is placed baking oven, 120 ℃ of oven dry 15h; Press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring; Will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 210 ℃; The compound of having dried is put in the pipe extruder, and each section of pipe extruder temperature is that one section temperature is 95 ℃, and two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min, extrude high density polyethylene(HDPE) wood plastic composite material products 4.
Table 1 is the comprehensive physicals of embodiment 1-4 middle-high density polyethylene wood plastic composite material products:
| The finished product classification | Tensile strength/MPa | Linear shrinkage/% | Shock strength/KJ/m 2 | Modulus in flexure/MPa | Linear expansivity/10 -4/℃ |
| Embodiment goods 1 | 27.5 | 1.72 | 18.5 | 1376 | 1.29 |
| Embodiment goods 2 | 28.6 | 1.79 | 19.4 | 1389 | 1.30 |
| Embodiment goods 3 | 29.4 | 1.81 | 19.6 | 1394 | 1.32 |
| Embodiment goods 4 | 30.7 | 1.88 | 20.7 | 1411 | 1.35 |
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must determine its technical scope according to the claim scope.
Claims (8)
1. high density polyethylene(HDPE) wood plastic composite pipe is characterized in that this wood plastic composite pipe raw material forms proportioning and comprise:
100 parts of high density polyethylene(HDPE)s,
20 parts～40 parts of wood powders,
3～5 parts of solubilizing agent,
5～10 parts of weighting agents,
1～4 part of lubricant.
2. a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 1 is characterized in that this wood plastic composite raw material composition proportioning comprises:
100 parts of high density polyethylene(HDPE)s,
20 parts～25 parts of wood powders,
3～5 parts of solubilizing agent,
5～10 parts of weighting agents,
1～2 part of lubricant.
3. a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 2 is characterized in that this wood plastic composite raw material composition proportioning comprises:
100 parts of high density polyethylene(HDPE)s,
24 parts of wood powders,
4 parts of solubilizing agent,
8 parts of weighting agents,
1.5 parts of lubricants.
4. a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 1 is characterized in that described solubilizing agent is a kind of in maleic anhydride modified polyethylene, ethene one acrylic copolymer or ethene one acetate ethylene copolymer.
5. a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 1 is characterized in that described weighting agent is acicular wollastonite.
6. a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 1 is characterized in that described lubricant is one or more of paraffin, glycerine or hard ester acid.
7. the preparation method of a high density polyethylene(HDPE) wood plastic composite pipe is characterized in that this method comprises the steps:
(1) pre-treatment of wood powder: wood powder is placed baking oven, 120 ℃ of oven dry 10-15h;
(2) press ratio of quality and the number of copies each component is dropped in the high-speed mixer, just mix 3-5min, mixing and stirring;
(3) will be in twin screw extruder through the material extruding pelletization that just mixes, temperature is controlled at 190-210 ℃;
(4) compound that will dry is put in the pipe extruder, extrude high density polyethylene(HDPE) wood plastic composite material products.
8. the preparation method of a kind of high density polyethylene(HDPE) wood plastic composite pipe according to claim 7, it is characterized in that described each section of pipe extruder of step (4) temperature is that one section temperature is 95 ℃, two sections temperature are 170 ℃, three sections temperature are 185 ℃, four sections temperature are 195 ℃, and engine speed is 50r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101963639A CN102276889A (en) | 2010-06-09 | 2010-06-09 | High-density polyethylene wood-plastic composite pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101963639A CN102276889A (en) | 2010-06-09 | 2010-06-09 | High-density polyethylene wood-plastic composite pipe and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102276889A true CN102276889A (en) | 2011-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101963639A Pending CN102276889A (en) | 2010-06-09 | 2010-06-09 | High-density polyethylene wood-plastic composite pipe and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585533A (en) * | 2012-01-13 | 2012-07-18 | 深圳市科聚新材料有限公司 | Method for preparing wood-plastic composite |
| CN102643556A (en) * | 2012-04-23 | 2012-08-22 | 安徽红树林新材料科技有限公司 | Novel environment-friendly energy-saving wood-plastic composite board for truck carriages and preparation method of novel environment-friendly energy-saving wood-plastic composite board |
| CN103939680A (en) * | 2014-03-30 | 2014-07-23 | 福建福宁卫通新型材料科技有限公司 | Steel wood-plastic composite tube |
| CN104371168A (en) * | 2014-11-05 | 2015-02-25 | 河南联塑实业有限公司 | Enhanced HDPE double-wall corrugated pipe and preparation method thereof |
| CN104403165A (en) * | 2014-11-05 | 2015-03-11 | 河南联塑实业有限公司 | Reinforced HDPE double-wall corrugated pipe and production method thereof |
| CN104672941A (en) * | 2015-03-09 | 2015-06-03 | 福建省再森木塑科技有限公司 | High/low-temperature-resistant aluminum-plastic-wood co-extruded composite profile and preparation method thereof |
| CN104710676A (en) * | 2015-02-28 | 2015-06-17 | 河南联塑实业有限公司 | PE-RT pipe material |
| CN104861255A (en) * | 2015-03-31 | 2015-08-26 | 苏州市鼎立包装有限公司 | Plastic hollow plate prepared from recycled and modified waste HDPE pipes and preparation method thereof |
| CN105037901A (en) * | 2015-09-14 | 2015-11-11 | 南通升环木业有限公司 | Toughening wood-plastic composite material |
| CN105348842A (en) * | 2015-12-14 | 2016-02-24 | 湖南工业大学 | Straw fiber-based biomass composite material and preparation method thereof |
| CN105402490A (en) * | 2015-12-21 | 2016-03-16 | 叶碧池 | Pipe bracket and preparation method thereof |
| CN108219492A (en) * | 2016-12-14 | 2018-06-29 | 北京林业大学 | A kind of drying of wood wood plastics composite parting bead and preparation |
| CN110410589A (en) * | 2019-07-10 | 2019-11-05 | 袁睿 | An impact-resistant pipe fitting |
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2010
- 2010-06-09 CN CN2010101963639A patent/CN102276889A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585533A (en) * | 2012-01-13 | 2012-07-18 | 深圳市科聚新材料有限公司 | Method for preparing wood-plastic composite |
| CN102643556A (en) * | 2012-04-23 | 2012-08-22 | 安徽红树林新材料科技有限公司 | Novel environment-friendly energy-saving wood-plastic composite board for truck carriages and preparation method of novel environment-friendly energy-saving wood-plastic composite board |
| CN102643556B (en) * | 2012-04-23 | 2016-09-07 | 安徽红树林新材料科技有限公司 | Energy-conservation wood-plastic composite panel of new green environment protection for auto carriage board and preparation method thereof |
| CN103939680B (en) * | 2014-03-30 | 2016-08-03 | 福建福宁卫通新型材料科技有限公司 | Steel wood plastics composite pipe |
| CN103939680A (en) * | 2014-03-30 | 2014-07-23 | 福建福宁卫通新型材料科技有限公司 | Steel wood-plastic composite tube |
| CN104371168B (en) * | 2014-11-05 | 2016-08-17 | 河南联塑实业有限公司 | A kind of enhancing HDPE double-wall corrugated pipe and preparation method thereof |
| CN104371168A (en) * | 2014-11-05 | 2015-02-25 | 河南联塑实业有限公司 | Enhanced HDPE double-wall corrugated pipe and preparation method thereof |
| CN104403165B (en) * | 2014-11-05 | 2016-08-24 | 河南联塑实业有限公司 | A kind of enhancing HDPE double-wall corrugated pipe and preparation method thereof |
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