CN105440399A - Polyvinyl wood-plastic composite and preparation method thereof - Google Patents
Polyvinyl wood-plastic composite and preparation method thereof Download PDFInfo
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- CN105440399A CN105440399A CN201510877921.0A CN201510877921A CN105440399A CN 105440399 A CN105440399 A CN 105440399A CN 201510877921 A CN201510877921 A CN 201510877921A CN 105440399 A CN105440399 A CN 105440399A
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- plastic composite
- wood
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- polyethylene based
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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
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention provides a preparation method of a polyvinyl wood-plastic composite, and relates to a high polymer material and a preparation method thereof. The polyvinyl wood-plastic composite is prepared from, by weight, 80-100 parts of PE, 80-120 parts of cottonwood powder, 7-15 parts of an interface compatibilizer, 2-7 parts of a lubricant, 0.5-3 parts of a crosslinking agent, 0.5-2 parts of a coupling agent, 0.1-1.5 parts of an antioxidant and 30-80 parts of filler; all the components are processed through high-speed mixing, extrusion pelletizing and extrusion forming to obtain the polyvinyl wood-plastic composite. According to the polyvinyl wood-plastic composite and the preparation method thereof, on one hand, the acrylic acid-grafted PE and polyvinyl alcohol are mixed in best proportion by preparing the interface compatibilizer, and then the compatibility of the wood powder and the PE is enhanced; on the other hand, a HDPE self-crosslinking reaction is initiated, the strength of the polyvinyl wood-plastic composite is improved, the product property is improved while the production cost is reduced, and the application field is widened.
Description
Technical field
The present invention relates to a kind of polymer composite and preparation method thereof, particularly relate to a kind of polyethylene based wood-plastic composite material and preparation method thereof.
Background technology
Wood plastic composite (Wood-PlasticComposites, be called for short WPC) be a kind of matrix material that material based on timber or Mierocrystalline cellulose and multiple plastics are made, it obtains the accreditation of people as novel, the cheap and durable material that can be recycled.As novel environment-friendly materials, wood plastic composite not only effectively can use timber, and can also improve the recycling of plastics, while providing resource for people, also can environmental protect pollute, the problem of shortage of resources.Wood plastic composite not only can make full use of resource, but also repeatedly can use, recycles, and has good prospect.Unfortunately, xylon molecular memory is at hydrogen bond, and in heating mixing, their can a large amount of be assembled together, easily agglomerating, makes it can not be dispersed in plastic substrate again.Except this, preparing in matrix material, because also having more hydroxyl in the component of timber, there is stronger water-absorbent.This not only reduces the dimensional of material, also impact and nonpolar hydrophobic thermoplastics matrix between consistency.Therefore, the consistency how improving wood powder and plastics is research emphasis and the focus of wood plastic composite always.
Summary of the invention
The object of the present invention is to provide a kind of polyethylene based wood-plastic composite material and preparation method thereof: the present invention improves the compatibility problem between wood powder and plastics, strengthen the toughness of wood plastic composite.While the Wood flour filled amount of increase, ensure processing characteristics and physical and mechanical properties, improve wood plastic composite high performance, improve the cost performance of wood plastic composite, for the renewable resources of waste or used plastics and timber waste provides more effective, more economical method.
The object of the invention is to be achieved through the following technical solutions:
Polyethylene based wood-plastic composite material, counts by weight, is made up: PE80 ~ 100 part of following component, Poplar Powder 60 ~ 90 parts, Interfacial compatibilization agent 7 ~ 15 parts, lubricant 2 ~ 7 parts, linking agent 0.5 ~ 3 part, coupling agent 0.5 ~ 2 part, 0.1 ~ 1.5 part, oxidation inhibitor, filler 10 ~ 30 parts.By preparing a kind of Interfacial compatibilization agent, by the acrylic acid-grafted PE of self-control and polyvinyl alcohol according to certain ratio and other auxiliary agents such as wood powder, plastic substrate with a definite sequence in high mixer blended for some time, put into extrusion moulding in twin screw extruder.
Described polyethylene is HDPE, and its melting index is 1.5 ~ 4g/10min.
Described Poplar Powder fineness is 60 ~ 100 orders, and the moisture content in this wood powder of drying treatment is less than 2%.Coupling agent then be vinyltriethoxysilane coupling agent, consumption is 0.5 ~ 2 part.
Described linking agent is dicumyl peroxide (DCP), the bond energy of the O-O key in DCP molecule is more weak, be heated easily to decompose and produce free radical, cause HDPE radical chain reaction, chemical bond is formed between difference or same carbochain, namely crosslinking reaction, degree of crosslinking increases can form tridimensional network, like this to the intensity improving wood plastic composite.
Described Interfacial compatibilization agent, first utilizes solution method and scorification to obtain the acrylic acid-grafted PE of different percentage of grafting, and blended according to a certain percentage with polyvinyl alcohol respectively, its ratio is 1:1 ~ 3:1.Total number is 7 ~ 15 parts.
Described lubricant is Zinic stearas and EBS according to 1:1 ratio complex configuration, and total number is 2 ~ 7 parts.
Described oxidation inhibitor has 1010 and 168 to obtain according to the ratio of 2:1 is composite, and total number is 0.1 ~ 1.5 part.
Described filler is one or both in talcum powder, calcined kaolin, light calcium carbonate and white carbon black.
The preparation process of the method is according to above-mentioned condition ratio, first will put into high mixer through the wood powder of coupling agent treatment, polyethylene, Interfacial compatibilization agent and other fillers 100 ~ 120 DEG C of mixing 5 ~ 15 minutes, then batch mixing is joined in twin screw extruder and melt extrude granulation, controlled working temperature is at 150 ~ 200 DEG C, screw rod revolution, at 50 ~ 90 revs/min, finally uses vulcanizing press to carry out compression molding.
Embodiment
Below by concrete example, the present invention is described in detail.
Example 1:
(1) interfacial compatibilizer is prepared
10 grams of polyethylene and 100 milliliters of dimethylbenzene are put into there-necked flask, heated and stirred at 120 DEG C, after polyethylene all dissolves, adds 2g vinylformic acid.Continue stirring after ten minutes, dimethylbenzene 0.2gBPO being dissolved in 10ml is placed in constant pressure funnel, and drips off in 20 minutes, continues afterwards to stir, stopped reaction after half an hour.Thing temperature to be mixed drops to about 50 DEG C, is poured in acetone, cools close to room temperature, suction filtration and with washing with acetone for several times.By product at 90 DEG C dry 10 hours.Product will be obtained mix with 2:1 ratio with polyvinyl alcohol.
(2) polyethylene based wood-plastic composite material is prepared
A kind of polyethylene based wood-plastic composite material, by weight, is made up of following component: HDPE80 part, Poplar Powder 80 parts (order number is 80 orders), vinyltriethoxysilane coupling agent 1 part (process wood powder),
Zinic stearas 2.4 parts, Interfacial compatibilization agent 7 ~ 15 parts, EBS2.4 part, DCP1 part, antioxidant 1010 is 1 part, and irgasfos 168 is 0.5 part, light calcium carbonate 10 ~ 30 parts.Through high-speed mixer normal temperature mixing 10min, then joined in twin screw extruder by batch mixing and melt extrude granulation, controlled working temperature is at 150 ~ 200 DEG C, and screw rod revolution is at 50 ~ 90 revs/min.
Example 2:
(1) interfacial compatibilizer is prepared
By 10 parts of vinylformic acid and 1 part of dicumyl peroxide mixing, and dissolve completely with 20 parts of acetone, again mixed solution is poured in 100 parts of homopolymerization PE, 80 DEG C of mixing 5min are heated to through mixing machine, its mixing velocity melt extrudes for finally being added in twin screw extruder by mixture, obtained acrylic acid-grafted PE, out-of-machine temperature is followed successively by 140 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 170 DEG C, 180 DEG C from feeding section to head, extrusion screw rod extrusion screw rod rotating speed is 170 turns/min, and rate of feeding is 10 turns/min.Product will be obtained and mix obtained Interfacial compatibilization agent with polyvinyl alcohol with 2:1 ratio.
(2) polyethylene based wood-plastic composite material is prepared
A kind of polyethylene based wood-plastic composite material, by weight, is made up of following component: HDPE80 part, Poplar Powder 80 parts (order number is 80 orders), vinyltriethoxysilane coupling agent 1 part (process wood powder),
Zinic stearas 2.4 parts, Interfacial compatibilization agent 7 ~ 15 parts, EBS2.4 part, DCP1 part, antioxidant 1010 is 1 part, and irgasfos 168 is 0.5 part, light calcium carbonate 10 ~ 30 parts.Through high-speed mixer normal temperature mixing 10min, then joined in twin screw extruder by batch mixing and melt extrude granulation, controlled working temperature is at 150 ~ 200 DEG C, and screw rod revolution, at 50 ~ 90 revs/min, finally uses vulcanizing press to carry out compression molding.
A kind of polyethylene based wood-plastic composite material, by weight, is made up of following component: HDPE80 part, Poplar Powder 90 parts (order number is 80 orders), vinyltriethoxysilane coupling agent 1 part (first processing wood powder),
Zinic stearas 2.4 parts, Interfacial compatibilization agent 7 ~ 15 parts, EBS2.4 part, DCP1 part, antioxidant 1010 is 1 part, and irgasfos 168 is 0.5 part, light calcium carbonate 10 ~ 30 parts.Through high-speed mixer normal temperature mixing 10min, then joined in twin screw extruder by batch mixing and melt extrude granulation, controlled working temperature is at 150 ~ 200 DEG C, and screw rod revolution, at 50 ~ 90 revs/min, finally uses vulcanizing press to carry out compression molding.
Claims (9)
1. a polyethylene based wood-plastic composite material, by weight, be made up of following component: PE80 ~ 100 part, Poplar Powder 80 ~ 120 parts, Interfacial compatibilization agent 7 ~ 15 parts, lubricant 2 ~ 7 parts, linking agent 0.5 ~ 3 part, coupling agent 0.5 ~ 2 part, 0.1 ~ 1.5 part, oxidation inhibitor, filler 30 ~ 80 parts, through high-speed mixing, extruding pelletization, extrusion moulding, obtains Polyethylene wood plastic composite material.
2. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, it is characterized in that described polyethylene is HDPE, its melting index is 1.5 ~ 4g/10min.
3. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, it is characterized in that described Poplar Powder fineness is 60 ~ 100 orders, moisture content in this wood powder of drying treatment is less than 2%, coupling agent then be vinyltriethoxysilane coupling agent, consumption is 0.5 ~ 2 part.
4. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, it is characterized in that described Interfacial compatibilization agent is the acrylic acid-grafted PE of the different percentage of grafting utilizing solution method and scorification to obtain, blended according to a certain percentage with polyvinyl alcohol respectively, its ratio is 1:1 ~ 3:1, and total number is 7 ~ 15 parts.
5. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, is characterized in that described linking agent is dicumyl peroxide (DCP).
6. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, it is characterized in that described lubricant is one or both of Zinic stearas and EBS, total number is 2 ~ 7 parts.
7. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, it is characterized in that described oxidation inhibitor has 1010 and 168 to obtain according to the ratio of 2:1 is composite, total number is 0.1 ~ 1.5 part.
8. a kind of polyethylene based wood-plastic composite material as claimed in claim 1, is characterized in that described filler is one or both in talcum powder, calcined kaolin, light calcium carbonate and white carbon black.
9. a preparation method for polyethylene based wood-plastic composite material, is characterized in that described method comprises following preparation process:
First high mixer will be put into through the wood powder of coupling agent treatment, polyethylene, Interfacial compatibilization agent and other fillers 100 ~ 120 DEG C of mixing 3 ~ 10 minutes according to aforementioned proportion, then batch mixing is joined in twin screw extruder and melt extrude granulation, controlled working temperature is at 150 ~ 210 DEG C, and screw rod revolution is at 50 ~ 90 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877921.0A CN105440399A (en) | 2015-12-04 | 2015-12-04 | Polyvinyl wood-plastic composite and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877921.0A CN105440399A (en) | 2015-12-04 | 2015-12-04 | Polyvinyl wood-plastic composite and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105440399A true CN105440399A (en) | 2016-03-30 |
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| CN201510877921.0A Pending CN105440399A (en) | 2015-12-04 | 2015-12-04 | Polyvinyl wood-plastic composite and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860233A (en) * | 2016-06-25 | 2016-08-17 | 芜湖三刀材料科技有限公司 | Wood-plastic composite for inspection wells and preparation method of wood-plastic composite for inspection wells |
| CN105936662A (en) * | 2016-06-06 | 2016-09-14 | 浙江乔兴建设集团湖州智能科技有限公司 | Polyethylene plastic-wood composite board for buildings |
| CN106046478A (en) * | 2016-06-06 | 2016-10-26 | 浙江乔兴建设集团湖州智能科技有限公司 | Environment-friendly and durable plastic-wood composite board for building |
| CN107254186A (en) * | 2017-06-29 | 2017-10-17 | 安徽国风木塑科技有限公司 | A kind of DCP crosslinkings HDPE high density polyethylene (HDPE) Wood-plastic materials and preparation method thereof |
| CN108690245A (en) * | 2018-05-29 | 2018-10-23 | 柴建锋 | A kind of high-strength polyethylene plank and preparation method thereof |
| CN113717488A (en) * | 2021-09-06 | 2021-11-30 | 桃江县大丰木业有限责任公司 | Smoke-inhibiting flame-retardant wood composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077916A (en) * | 2007-03-17 | 2007-11-28 | 李大正 | Wood-plastic material and producing method thereof |
| CN101456933A (en) * | 2009-01-04 | 2009-06-17 | 上海大学 | Interfacial compatibilizer for wood-plastic composite material and preparation method thereof |
-
2015
- 2015-12-04 CN CN201510877921.0A patent/CN105440399A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077916A (en) * | 2007-03-17 | 2007-11-28 | 李大正 | Wood-plastic material and producing method thereof |
| CN101456933A (en) * | 2009-01-04 | 2009-06-17 | 上海大学 | Interfacial compatibilizer for wood-plastic composite material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936662A (en) * | 2016-06-06 | 2016-09-14 | 浙江乔兴建设集团湖州智能科技有限公司 | Polyethylene plastic-wood composite board for buildings |
| CN106046478A (en) * | 2016-06-06 | 2016-10-26 | 浙江乔兴建设集团湖州智能科技有限公司 | Environment-friendly and durable plastic-wood composite board for building |
| CN105860233A (en) * | 2016-06-25 | 2016-08-17 | 芜湖三刀材料科技有限公司 | Wood-plastic composite for inspection wells and preparation method of wood-plastic composite for inspection wells |
| CN107254186A (en) * | 2017-06-29 | 2017-10-17 | 安徽国风木塑科技有限公司 | A kind of DCP crosslinkings HDPE high density polyethylene (HDPE) Wood-plastic materials and preparation method thereof |
| CN108690245A (en) * | 2018-05-29 | 2018-10-23 | 柴建锋 | A kind of high-strength polyethylene plank and preparation method thereof |
| CN113717488A (en) * | 2021-09-06 | 2021-11-30 | 桃江县大丰木业有限责任公司 | Smoke-inhibiting flame-retardant wood composite material and preparation method thereof |
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Application publication date: 20160330 |
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