CN106118106A - A kind of wear-resisting type Wheat straw fiber wood plastic composite and preparation method thereof - Google Patents
A kind of wear-resisting type Wheat straw fiber wood plastic composite and preparation method thereof Download PDFInfo
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- CN106118106A CN106118106A CN201610533623.4A CN201610533623A CN106118106A CN 106118106 A CN106118106 A CN 106118106A CN 201610533623 A CN201610533623 A CN 201610533623A CN 106118106 A CN106118106 A CN 106118106A
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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
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/46—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
A kind of wear-resisting type Wheat straw fiber wood plastic composite and preparation method thereof, described wood plastic composite includes the raw material of following weight portion: modified Wheat straw fiber 50 80 parts, polrvinyl chloride (PVC) 40 100 parts, coupling agent 25 parts, compatilizer 2 10 parts, calcium carbonate (particle diameter is at 200 300 mesh) 46, lubricant 46 parts, antioxidant 24 parts.This wood plastic composite is that Corvic, coupling agent, lubricant is primary raw material, moulds extruding-out process by wood and prepares wear-resisting type Wheat straw fiber wood plastic composite with modified straw.The Wheat straw fiber wear-resistant wood plastic composite materials of the present invention has good interfacial adhesion, wearability and case hardness, and comprehensive mechanical property is excellent, can be applicable to construction material and furniture material field.The present invention selected inexpensive, environmental protection, safety natural fiber as raw material, both reduced production cost, the most beneficially environmental protection, met the strategic objective of country's sustainable development.
Description
Technical field
The present invention is a kind of wear-resisting type Wheat straw fiber wood plastic composite, and it relates to wood plastic composite field and especially relates to
And one high abrasion Modified wood plastic material and preparation method thereof.
Background technology
Current Wood-plastic material is to use log wood powder or the wood fiber to be combined with plastics mostly, is also to accelerate disappearing of timber
Consumption.And China is as large agricultural country, agricultural crop straw is as the by-product of agricultural production, and annual output is the biggest and is distributed
Extensively, the annual about 8-10 hundred million tons of current China agricultural crop straw generation amount according to statistics, what wherein yield was maximum surely belongs to straw.At straw
Utilize aspect all for artifacts and simple decorative material, although the research for straw wood-based plate in recent years gets more and more,
A small amount of straw wood-based panel product also occurs on market, but owing to there is substantial amounts of wax coat and xylem on straw, each brood lac
Glutinous agent cannot play preferable interconnection function so that plate property is unstable.
Surface abrasion resistance during wood plastic composite uses is its important performance indications.So-called material wear ability refers to
It resists the ability of abrasion under certain friction condition, and abrasion is that material surface is subject to rub, extrudes, impacts, degrades and this
During several combined factors effect, produced a kind of surface change procedure, is characterized in that wearing part is surface, shape and body
The physical property such as long-pending changes, and does not has the change of chemical property.Development and people's demand continuous along with science and technology
Improve, the requirement the most more diversification to wood plastic composite.At the potential applications such as building materials, furniture, packaging, wood plastics composite
The wearability of material and case hardness are also important performance indications.
In order to solve the problems referred to above, pretreatment need to be carried out when utilizing straw, remove surface wax coat, then straw is used
Production in wood plastic composite.
Summary of the invention
It is an object of the invention to a kind of wear-resisting type Wheat straw fiber wood plastic composite and processing method, this wood and plastic composite
Material is that lubricant is primary raw material with modified straw, Corvic, coupling agent, moulds extruding-out process next life by wood
Produce wear-resisting type Wheat straw fiber wood plastic composite.
The present invention solve technical problem use following scheme:
A kind of wear-resisting type Wheat straw fiber wood plastic composite, including the raw material of following weight portion:
Modified Wheat straw fiber 50-80 part, polrvinyl chloride (PVC) 40-100 part, coupling agent 2-5 part, compatilizer 2-10 part, carbon
Acid calcium (particle diameter is at 200-300 mesh) 4-6, lubricant 4-6 part, antioxidant 2-4 part.
Further, described modified Wheat straw fiber is by straw 15% soaking with sodium hydroxide 1.5h, and pretreatment temperature is 110
DEG C, put into dewatered drying at 60 DEG C, place into and flour mill is worn into fiber, after screening processes, obtain 20-60 mesh granule, so
After under 110 DEG C of temperature conditionss of baking oven, carry out 24 hours dried, make the average moisture content of wood powder be maintained at less than 1%.Will
50-80 part Wheat straw fiber, hard calcium acetate 3-5 part and nano aluminium oxide 3-5 part add ball mill, stir under rotating speed is 110r/min
Mix 15min, obtain modified fibre.
Further, described coupling agent is that Silane coupling agent KH550 forms according to 1:2 configuration with aqueous isopropanol.
Further, described compatilizer is maleic acid liquor-saturated grafting compatilizer (PP-g-MAH).
Further, described lubricant is paraffin oil.
Further, described antioxidant is antioxidant 1010 and antioxidant 168 is obtained by mixing with 1:3 weight ratio.
A kind of wear-resisting type Wheat straw fiber wood and plastic composite preparation method for material, it is characterised in that carry out as follows:
1), be 110 DEG C by straw with 15% soaking with sodium hydroxide 1.5h, pretreatment temperature, put into dewatered drying at 60 DEG C,
Place into and flour mill is worn into fiber, after screening processes, obtain 20-60 mesh granule, then in 110 DEG C of temperature conditionss of baking oven
Under, carry out 24 hours dried, make the average moisture content of wood powder be maintained at less than 1%.By 50-80 part Wheat straw fiber, hard vinegar
Acid calcium 3-10 part and nano aluminium oxide 3-5 part add ball mill, stir 15min, screen 100-120 under rotating speed is 110r/min
Mesh granule, obtains modified fibre.
2), by the ethanol solution of above-mentioned modified Wheat straw fiber even spraying silane coupler, then dry standby at 60 DEG C
With.
3) weigh modified fibre according to above-mentioned formula and remain each component raw material, it is all added in high-speed mixer,
Under rotating speed is 400r/min, stirs 5-10min, obtains mixed material.
Composition of raw materials is: modified Wheat straw fiber 50-80 part, polrvinyl chloride (PVC) 40-50 part, and coupling agent 2-5 part is compatible
Agent 2-10 part, calcium carbonate (particle diameter is at 200-300 mesh) 4-6, lubricant 4-6 part, antioxidant 2-4 part.
4) mixed material is added thermo-pressing moulder, temperature be 200 DEG C, pressure be thermocompression forming 10min under 13Mpa,
I.e. can get molding wood plastic composite.
It is hard that the Wheat straw fiber wear-resistant wood plastic composite materials of the present invention has good interfacial adhesion, wearability and surface
Degree, comprehensive mechanical property is excellent, can be applicable to construction material and furniture material field.The present invention has selected inexpensive, environmental protection, safety
Natural fiber as raw material, both reduced production cost, the most beneficially environmental protection, meet country sustainable development war
Slightly target.Meanwhile, using hot-forming wood plastic composite of preparing, preparation technology is simple, low for equipment requirements, production cost
Low, properties of product are high, have wide market prospect.
Below by way of detailed description of the invention, technical solution of the present invention is described further.
Detailed description of the invention
Embodiment 1: a kind of wear-resisting type Wheat straw fiber wood plastic composite
A kind of wear-resisting type Wheat straw fiber wood plastic composite, including the raw material of following weight portion:
Modified Wheat straw fiber 50-80 part, polrvinyl chloride (PVC) 40-100 part, coupling agent 2-5 part, compatilizer 2-10 part, carbon
Acid calcium (particle diameter is at 200-300 mesh) 4-6, lubricant 4-6 part, antioxidant 2-4 part.
Further, described modified Wheat straw fiber is by straw 15% soaking with sodium hydroxide 1.5h, and pretreatment temperature is 110
DEG C, put into dewatered drying at 60 DEG C, place into and flour mill is worn into fiber, after screening processes, obtain 20-60 mesh granule, so
After under 110 DEG C of temperature conditionss of baking oven, carry out 24 hours dried, make the average moisture content of wood powder be maintained at less than 1%.Will
50-80 part Wheat straw fiber, hard calcium acetate 3-5 part and nano aluminium oxide 3-5 part add ball mill, stir under rotating speed is 110r/min
Mix 15min, obtain modified fibre.
Further, described coupling agent is that Silane coupling agent KH550 forms according to 1:2 configuration with aqueous isopropanol.
Further, described compatilizer is maleic acid liquor-saturated grafting compatilizer (PP-g-MAH).
Further, described lubricant is paraffin oil.
The preparation method of 2 one kinds of embodiment 1 wood plastic composites of embodiment
1), be 110 DEG C by straw with 15% soaking with sodium hydroxide 1.5h, pretreatment temperature, put into dewatered drying at 60 DEG C,
Place into and flour mill is worn into fiber, after screening processes, obtain 40 mesh granules, then under 110 DEG C of temperature conditionss of baking oven,
Carry out 24 hours dried, make the average moisture content of wood powder be maintained at less than 1%.By 50 parts of Wheat straw fibers, hard calcium acetate 6 parts
Add ball mill with nano aluminium oxide 3 parts, under rotating speed is 110r/min, stirs 15min, screens 100 mesh granules, obtain modification
Fiber.
2), by the ethanol solution of above-mentioned modified Wheat straw fiber even spraying silane coupler, then dry standby at 60 DEG C
With.
3) weigh modified fibre according to above-mentioned formula and remain each component raw material, it is all added in high-speed mixer,
Under rotating speed is 400r/min, stirs 5min, obtains mixed material.
Composition of raw materials is: modified Wheat straw fiber 50 parts, polrvinyl chloride (PVC) 40 parts, coupling agent 5 parts, compatilizer 4 parts, carbon
Acid calcium (particle diameter is at 200-300 mesh) 4, lubricant 4 parts, antioxidant 2 parts.
4) mixed material is added thermo-pressing moulder, temperature be 200 DEG C, pressure be thermocompression forming 10min under 13Mpa,
I.e. can get molding wood plastic composite.
The physical property that the present invention prepares wood plastic composite is as follows:
Hot strength: 15Mpa, bending modulus: 2300Mpa, impact strength: 12KJ/m2, wear rate: 2.2 × 105mm3/m。
Embodiment 3:
1), be 110 DEG C by straw with 15% soaking with sodium hydroxide 1.5h, pretreatment temperature, put into dewatered drying at 60 DEG C,
Place into and flour mill is worn into fiber, after screening processes, obtain 60 mesh granules, then under 110 DEG C of temperature conditionss of baking oven,
Carry out 24 hours dried, make the average moisture content of wood powder be maintained at less than 1%.By 80 parts of Wheat straw fibers, hard calcium acetate 10
Part and nano aluminium oxide 6 parts add ball mill, stir 15min, screen 110 mesh granules, changed under rotating speed is 110r/min
Property fiber.
2), by the ethanol solution of above-mentioned modified Wheat straw fiber even spraying silane coupler, then dry standby at 60 DEG C
With.
3) weigh modified fibre according to above-mentioned formula and remain each component raw material, it is all added in high-speed mixer,
Under rotating speed is 400r/min, stirs 10min, obtains mixed material.
Composition of raw materials is: modified Wheat straw fiber 70 parts, polrvinyl chloride (PVC) 50 parts, coupling agent 2 parts, compatilizer 10 parts, carbon
Acid calcium (particle diameter is at 200-300 mesh) 6, lubricant 6 parts, antioxidant 4 parts.
4) mixed material is added thermo-pressing moulder, temperature be 200 DEG C, pressure be thermocompression forming 10min under 13Mpa,
I.e. can get molding wood plastic composite.
The physical property that the present invention prepares wood plastic composite is as follows:
Hot strength: 18.2Mpa, bending modulus: 2523Mpa, impact strength: 17KJ/m2, wear rate: 3.4 × 105mm3/
m。
In above example, unless otherwise noted, its component is commercial prior art products.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (7)
1. a wear-resisting type Wheat straw fiber wood plastic composite, including the raw material of following weight portion:
Modified Wheat straw fiber 50-80 part, polrvinyl chloride (PVC) 40-100 part, coupling agent 2-5 part, compatilizer 2-10 part, calcium carbonate
(particle diameter is at 200-300 mesh) 4-6 part, lubricant 4-6 part, antioxidant 2-4 part.
A kind of wear-resisting type Wheat straw fiber wood plastic composite the most according to claim 1, it is characterised in that described modified wheat
Stalk fiber is by straw mass fraction 15% soaking with sodium hydroxide 1.5h, and pretreatment temperature is 110 DEG C, then de-at 60 DEG C
Water is dried, and places into and wears into fiber in flour mill, obtains 20-60 mesh granule, then in 110 DEG C of temperature of baking oven after screening processes
Under the conditions of degree, carry out 24 hours dried；Last again by 50-80 part Wheat straw fiber, the hard calcium acetate of 3-5 part and 3-5 part nanometer
Aluminium oxide adds ball mill, stirs 15min, obtain modified fibre under rotating speed is 110r/min.
A kind of wear-resisting type Wheat straw fiber wood plastic composite the most according to claim 1, it is characterised in that described coupling agent
Form according to 1:2 configuration with aqueous isopropanol for Silane coupling agent KH550.
A kind of wear-resisting type Wheat straw fiber wood plastic composite the most according to claim 1, it is characterised in that described compatilizer
For maleic acid liquor-saturated grafting compatilizer (PP-g-MAH).
A kind of wear-resisting type Wheat straw fiber wood plastic composite the most according to claim 1, it is characterised in that described lubricant
For paraffin oil.
A kind of wear-resisting type Wheat straw fiber wood plastic composite the most according to claim 1, it is characterised in that described antioxidation
Agent is antioxidant 1010 and antioxidant 168 is obtained by mixing with 1:3 weight ratio.
7. a wear-resisting type Wheat straw fiber wood and plastic composite preparation method for material, it is characterised in that carry out as follows:
1), be 110 DEG C by straw with 15% soaking with sodium hydroxide 1.5h, pretreatment temperature, put into dewatered drying at 60 DEG C, then put
Enter and flour mill is worn into fiber, after screening processes, obtain 20-60 mesh granule, then under 110 DEG C of temperature conditionss of baking oven, enter
24 hours dried of row, finally add goal by 50-80 part Wheat straw fiber, the hard calcium acetate of 3-10 part and 3-5 part nano aluminium oxide
Grinding machine, stirs 15min under rotating speed is 110r/min, screens 100-120 mesh granule, obtain modified fibre.
2), by the ethanol solution of above-mentioned modified Wheat straw fiber even spraying silane coupler, then dry for standby at 60 DEG C；
3) weigh modified fibre according to composition of raw materials and remain each component raw material, it is all added in high-speed mixer, turning
Speed is stirring 5-10min under 400r/min, obtains mixed material；
Described composition of raw materials is: modified Wheat straw fiber 50-80 part, polrvinyl chloride (PVC) 40-50 part, and coupling agent 2-5 part is compatible
Agent 2-10 part, calcium carbonate (particle diameter is at 200-300 mesh) 4-6, lubricant 4-6 part, antioxidant 2-4 part；
4) mixed material is added thermo-pressing moulder, temperature be 200 DEG C, pressure be thermocompression forming 10min under 13Mpa,
Obtain molding wood plastic composite.
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| CN201610533623.4A CN106118106A (en) | 2016-07-07 | 2016-07-07 | A kind of wear-resisting type Wheat straw fiber wood plastic composite and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298887A (en) * | 2018-05-04 | 2018-07-20 | 合肥天沃能源科技有限公司 | A kind of energy-saving heat preserving mortar and preparation method thereof |
| CN108341684A (en) * | 2018-04-23 | 2018-07-31 | 合肥月煌新型装饰材料有限公司 | A kind of composite bactericidal diatom ooze coating and preparation method thereof |
| CN108503995A (en) * | 2018-05-11 | 2018-09-07 | 东华理工大学 | A kind of preparation method of antistatic PVC wood plastic composite material |
| CN108911594A (en) * | 2018-10-17 | 2018-11-30 | 安徽菲扬新材料有限公司 | A kind of composite building material and preparation method thereof |
| CN109130402A (en) * | 2018-08-06 | 2019-01-04 | 合肥岑遥新材料科技有限公司 | A kind of preparation method of high performance composites |
| CN109233539A (en) * | 2018-10-17 | 2019-01-18 | 合肥隆扬环保科技有限公司 | A kind of preparation method of external wall special-purpose thermal insulation coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108341684A (en) * | 2018-04-23 | 2018-07-31 | 合肥月煌新型装饰材料有限公司 | A kind of composite bactericidal diatom ooze coating and preparation method thereof |
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| CN108503995A (en) * | 2018-05-11 | 2018-09-07 | 东华理工大学 | A kind of preparation method of antistatic PVC wood plastic composite material |
| CN109130402A (en) * | 2018-08-06 | 2019-01-04 | 合肥岑遥新材料科技有限公司 | A kind of preparation method of high performance composites |
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| CN109233539A (en) * | 2018-10-17 | 2019-01-18 | 合肥隆扬环保科技有限公司 | A kind of preparation method of external wall special-purpose thermal insulation coating |
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Application publication date: 20161116 |