CN104559279A - Novel wood-plastic composite material - Google Patents

Novel wood-plastic composite material Download PDF

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Publication number
CN104559279A
CN104559279A CN201510054005.7A CN201510054005A CN104559279A CN 104559279 A CN104559279 A CN 104559279A CN 201510054005 A CN201510054005 A CN 201510054005A CN 104559279 A CN104559279 A CN 104559279A
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Prior art keywords
wood
plastic composite
solid waste
parts
modification
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CN201510054005.7A
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Chinese (zh)
Inventor
张以河
郝向阳
刘雷鹏
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China University of Geosciences Beijing
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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a novel wood-plastic composite material, which is prepared from modified wood flour, solid waste and thermoplastic by crushing, blending, granulating and extrusion molding. Discarded mushrooms rods and the solid waste can be comprehensively utilized, and are modified to be used as raw materials to prepare the wood-plastic composite material with low cost and excellent mechanical property. The wood-plastic composite material has the characteristics of low cost and high strength, and has excellent usability; and meanwhile, the production method is easy to operate, the process condition and production equipment requirements are relatively low, the large-scale promotion production can be realized, and the market efficiency is excellent.

Description

a kind of Novel wood-plastic composite material
Technical field
The present invention relates to a kind of matrix material, be specifically related to a kind of Novel wood-plastic composite material.
Background technology
Mushroom is of a great variety, rich in nutritive value, has and improves immunity of organisms, the function such as relieving cough and reducing sputum, anticancer, dark liking by all parts of the world people.Along with the expansion of mushroom cultivation scale, the discarded mushroom rod of generation also gets more and more.Literature search not yet has the report utilized about discarded mushroom rod, the mode process that mushroom breeding enterprise is stacked mainly with landfill, and simple landfill is stacked and caused the great wasting of resources.Discarded mushroom rod is formed primarily of wood chip and residual mushroom root, can be used as by analysis preparing wood plastic composite.
Wood plastic composite adopts plastic processing Compound Machining or the material processed further or product by cellulose materials and thermoplastics, there is excellent mechanical property, and anti-aging, good stability of the dimension, not ftracture, there is again the processing characteristics of similar wood.More and more extensive in the application of the industries such as building, automobile, indoor and outdoor floor, finishing material and logistics packaging.At present, wood is moulded the wood powder adopted in industry and is derived from fast-growing wood, sawdust and agricultural crop straw, is mainly calcium carbonate, talcum powder in order to the performance improving wood plastic composite with the addition of inorganic mineral powder.Not yet have and utilize discarded mushroom rod as wood powder source, utilize solid waste to replace calcium carbonate, talcous report.Therefore by utilizing, discarded mushroom is excellent, solid waste joins in thermoplastics in the present invention, has prepared the wood plastic composite that price is more cheap.
Summary of the invention
The technical issues that need to address of the present invention are just the defect overcoming prior art, provide a kind of Novel wood-plastic composite material.The present invention can to the comprehensive utilization of discarded mushroom rod, solid waste, by discarded mushroom rod, solid waste modified as raw material, preparation cost is cheap, the wood plastic composite of good mechanical performance, has the characteristic that cost is low, intensity is high, has splendid use properties; Meanwhile, this production method easy handling, processing condition and production unit require lower, can realize promoting production on a large scale, have splendid market efficiency.
For solving the problem, the present invention adopts technical scheme to be:
A kind of Novel wood-plastic composite material, described wood plastic composite is with modified wood powder, solid waste, thermoplastics for raw material, and through pulverizing, the process such as blended, granulation and extrusion moulding obtains;
The preparation method of described wood plastic composite comprises the steps:
(1) be milled to 60 ~ 100 orders by after modified wood powder drying, solid waste drying and crushing to 200 order, then with titanate coupling agent, silane resin acceptor kh-550, modification carried out to modified wood powder and solid waste respectively;
(2) thermoplastics or resin 30 ~ 50 parts is taken, modified wood powder after modification 40 ~ 60 parts, solid waste after modification 10 ~ 30 parts, maleic anhydride graft PE 0.5 ~ 1 part, ethylene waxes 0.5 ~ 1 part, 0.5 ~ 1 part, paraffin, stearic acid 0.5 ~ 1 part, Zinic stearas 0.5 ~ 1 part, joins in mixer, mixes 10 ~ 30 minutes;
(3) by mixed raw material twin screw extruder extruding pelletization, wood plastics composite particle is obtained;
(4) compression molding or injection molding is adopted to prepare wood-plastic composite material products the wood plastics composite particle prepared.
Present method utilizes discarded mushroom rod to prepare wood plastic composite with solid waste; it is low that its advantage is to have abundant raw material source cost; be easy to implement easy; open up the utilization ways of discarded mushroom rod with solid waste; serve the effect of protection of the environment; can carry out the production of mass-producing, be a kind of product innovation with promotional value.
Preferably, modified wood powder is discarded mushroom rod.The cost of discarded mushroom rod is low, and working method is simply efficient, can realize promoting the use of on a large scale, and the material produced has splendid intensity, can meet the requirement of strength of material, have splendid result of use.
Preferably, solid waste is the mixture of one or more in iron tailings, flyash, coal gangue.Like this, effectively can reduce the cost of raw material, effectively can reduce the production cost of product like this, make product have the splendid market competitiveness.
Preferably, thermoplastics or resin are the mixture of one or more in polyethylene, polypropylene, polystyrene, polyvinyl chloride, reprocessed plastic(s).
Preferably, 70 ~ 90 orders are milled to after modified wood powder drying.
Preferably, being operating as of step (2): take thermoplastics or resin 35 ~ 45 parts, modified wood powder after modification 45 ~ 55 parts, the solid waste after modification 15 ~ 25 parts, maleic anhydride graft PE 0.65 ~ 0.85 part, ethylene waxes 0.55 ~ 0.90 part, 0.55 ~ 0.85 part, paraffin, stearic acid 0.6 ~ 0.9 part, Zinic stearas 0.65 ~ 0.8 part, join in mixer, mix 15 ~ 25 minutes.
Preferably, being operating as of step (2): take PE 25 parts, discarded mushroom rod modified wood powder 50 parts after modification, 25 parts, solid waste iron tailings powder after modification, maleic anhydride graft PE 0.85 part, ethylene waxes 0.55 part, 0.85 part, paraffin, stearic acid 0.9 part, Zinic stearas 0.65 part, join in mixer, mix 20 minutes.
Advantage of the present invention and beneficial effect are:
Novel wood-plastic composite material of the present invention, can to the comprehensive utilization of discarded mushroom rod, solid waste, by discarded mushroom rod, solid waste modified as raw material, preparation cost is cheap, the wood plastic composite of good mechanical performance, there is the characteristic that cost is low, intensity is high, there is splendid use properties;
Novel wood-plastic composite material of the present invention, the production method easy handling of this Wood-plastic material, processing condition and production unit require lower, can realize promoting production on a large scale, have splendid market efficiency;
Novel wood-plastic composite material of the present invention, discarded mushroom rod is utilized to prepare wood plastic composite with solid waste, it is low that its advantage is to have abundant raw material source cost, be easy to implement easy, open up the utilization ways of discarded mushroom rod with solid waste, serving the effect of protection of the environment, can carry out the production of mass-producing, is a kind of product innovation with promotional value;
Novel wood-plastic composite material of the present invention, it is 30 MPa that products obtained therefrom stretches intensity, and bending strength reaches 50 MPa, and I-zod resistance to impact shock reaches 16 KJ/m 2.
Embodiment
The following example will further illustrate the present invention.
embodiment 1
The present invention adopts technical scheme to be a kind of Novel wood-plastic composite material, and described wood plastic composite is with modified wood powder, solid waste, thermoplastics for raw material, and through pulverizing, the process such as blended, granulation and extrusion moulding obtains;
The preparation method of described wood plastic composite comprises the steps:
(1) be milled to 60 ~ 100 orders by after modified wood powder drying, solid waste drying and crushing to 200 order, then with titanate coupling agent, silane resin acceptor kh-550, modification carried out to modified wood powder and solid waste respectively;
(2) PE 25 parts is taken, the modified wood powder after modification 50 parts, 25 parts, solid waste iron tailings powder after modification, maleic anhydride graft PE 1 part, ethylene waxes 1 part, 1 part, paraffin, stearic acid 0.5 part, Zinic stearas 0.5 part, joins in mixer, mixes 20 minutes;
(3) by mixed raw material twin screw extruder extruding pelletization, wood plastics composite particle is obtained;
(4) compression molding or injection molding is adopted to prepare wood-plastic composite material products the wood plastics composite particle prepared.
Modified wood powder is discarded mushroom rod.Solid waste is iron tailings.
embodiment 2
On the basis of embodiment 1, the present embodiment is a kind of Novel wood-plastic composite material, and described wood plastic composite is with modified wood powder, solid waste, thermoplastics for raw material, and through pulverizing, the process such as blended, granulation and extrusion moulding obtains;
The preparation method of described wood plastic composite comprises the steps: that (2) take regeneration PE 30 parts, modified wood powder after modification 50 parts, solid waste after modification 20 parts, maleic anhydride graft PE 1 part, ethylene waxes 1 part, 1 part, paraffin, stearic acid 0.5 part, Zinic stearas 0.5 part, joins in mixer, mixes 25 minutes;
Solid waste is the mass mixing such as iron tailings, coal gangue thing.Other parts are identical with embodiment 1.
embodiment 3
On the basis of embodiment 1, the present embodiment is a kind of Novel wood-plastic composite material,
Preparation method's step of described wood plastic composite:
(2) regeneration PE 35 parts is taken, the modified wood powder after modification 50 parts, the solid waste after modification 15 parts, maleic anhydride graft PE 0.65 part, ethylene waxes 0.75 part, 0.85 part, paraffin, stearic acid 0.65 part, Zinic stearas 0.75 part, joins in mixer, mixes 20 minutes;
Solid waste is flyash.Other parts are identical with embodiment 1.
embodiment 4
On the basis of embodiment 1, the present embodiment is a kind of Novel wood-plastic composite material, preparation method's step of described wood plastic composite:
(2) polystyrene 45 parts is taken, the modified wood powder after modification 55 parts, the solid waste after modification 18 parts, maleic anhydride graft PE 0.5 part, ethylene waxes 0.75 part, 0.95 part, paraffin, stearic acid 0.65 part, Zinic stearas 0.65 part, joins in mixer, mixes 15 minutes; Solid waste is coal gangue.Other parts are identical with embodiment 1.
embodiment 5
On the basis of embodiment 1, the present embodiment is the preparation method of a kind of Novel wood-plastic composite material, described wood plastic composite, and wherein solid waste is the mixture of the quality such as iron tailings, flyash, coal gangue.Other parts are identical with embodiment 1.
comparative example 1
On the basis of embodiment 1, the preparation method of wood plastic composite, modified wood powder adopts fast-growing wood, and solid waste adopts calcium carbonate to replace, and other parts are identical with embodiment 1.
comparative example 2
On the basis of embodiment 1, the preparation method of wood plastic composite, modified wood powder adopts sawdust, and solid waste adopts talcum powder to replace, and other parts are identical with embodiment 1.
Comparative example 1 and comparative example 2 are the raw material that existing Wood-plastic material adopts, the product that comparative example obtains, and the fast-growing wood that it adopts and the wood powder cost of sawdust are 600 ~ 800 yuan/ton, and adopt the cost of the wood powder of discarded mushroom rod preparation about 100 yuan/ton; Simultaneously, adopt the cost of iron tailings, flyash, coal gangue also well below calcium carbonate and talcous price, therefore, wood plastic composite prepared by the present invention has low-down raw materials cost, product is keeping preferably while performance, there is lower production cost, there is very large economic benefit and ecological significance.Therefore, wood plastic composite prepared by comparative example 1 and comparative example 2, its cost is high, and adopts fast-growing wood can cause a large amount of exploitations of forest, causes great destruction to environment.
To sum up, Novel wood-plastic composite material of the present invention, can to the comprehensive utilization of discarded mushroom rod, solid waste, by discarded mushroom rod, solid waste modified as raw material, preparation cost is cheap, the wood plastic composite of good mechanical performance, there is the characteristic that cost is low, intensity is high, there is splendid use properties; In addition, the wood plastic composite of discarded mushroom rod preparation is utilized to distribute light mushroom fragrance.
The production method easy handling of this Wood-plastic material, processing condition and production unit require lower, can realize promoting production on a large scale, have splendid market efficiency; Discarded mushroom rod is utilized to prepare wood plastic composite with solid waste, it is low that its advantage is to have abundant raw material source cost, be easy to implement easy, open up the utilization ways of discarded mushroom rod with solid waste, serve the effect of protection of the environment, can carry out the production of mass-producing, be a kind of product innovation with promotional value;
Novel wood-plastic composite material of the present invention, it is 30 MPa that products obtained therefrom stretches intensity, and bending strength reaches 50 MPa, and I-zod resistance to impact shock reaches 16 KJ/m 2.There is splendid mechanical property, the requirement of strength of Wood plastic boards can be met, there is splendid result of use.
In traditional wood plastic composite, the modification reinforcement Wood-plastic materials such as multiplex calcium carbonate, talcum powder.The tailing waste things such as iron tailings, flyash, coal gangue are same after pulverizing has modification reinforcing effect to wood plastic composite.Iron tailings, flyash, coal gangues etc. self, with color, utilize mine tailing to replace calcium carbonate, talcum powder etc. to serve dyeing to wood plastic composite while generation strengthening action, not only can save production cost, also widen Tailings utilization channel.
Last it is noted that obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection scope of the present invention.

Claims (7)

1. a Novel wood-plastic composite material, is characterized in that, described wood plastic composite is with modified wood powder, solid waste, thermoplastics for raw material, and through pulverizing, the process such as blended, granulation and extrusion moulding obtains;
The preparation method of described wood plastic composite comprises the steps:
(1) be milled to 60 ~ 100 orders by after modified wood powder drying, solid waste drying and crushing to 200 order, then with titanate coupling agent, silane resin acceptor kh-550, modification carried out to modified wood powder and solid waste respectively;
(2) thermoplastics or resin 30 ~ 50 parts is taken, modified wood powder after modification 40 ~ 60 parts, solid waste after modification 10 ~ 30 parts, maleic anhydride graft PE 0.5 ~ 1 part, ethylene waxes 0.5 ~ 1 part, 0.5 ~ 1 part, paraffin, stearic acid 0.5 ~ 1 part, Zinic stearas 0.5 ~ 1 part, joins in mixer, mixes 10 ~ 30 minutes;
(3) by mixed raw material twin screw extruder extruding pelletization, wood plastics composite particle is obtained;
(4) compression molding or injection molding is adopted to prepare wood-plastic composite material products the wood plastics composite particle prepared.
2. wood plastic composite as claimed in claim 1, is characterized in that, modified wood powder is discarded mushroom rod.
3. wood plastic composite as claimed in claim 1, it is characterized in that, solid waste is the mixture of one or more in iron tailings, flyash, coal gangue.
4. wood plastic composite as claimed in claim 1, it is characterized in that, thermoplastics or resin are the mixture of one or more in polyethylene, polypropylene, polystyrene, polyvinyl chloride, reprocessed plastic(s).
5., as the wood plastic composite as described in arbitrary in claim 1-4, it is characterized in that, after modified wood powder drying, be milled to 70 ~ 90 orders.
6. as the wood plastic composite as described in arbitrary in claim 1-4, it is characterized in that, being operating as of step (2): take thermoplastics or resin 35 ~ 45 parts, the modified wood powder after modification 45 ~ 55 parts, solid waste after modification 15 ~ 25 parts, maleic anhydride graft PE 0.65 ~ 0.85 part, ethylene waxes 0.55 ~ 0.90 part, 0.55 ~ 0.85 part, paraffin, stearic acid 0.6 ~ 0.9 part, Zinic stearas 0.65 ~ 0.8 part, joins in mixer, mixes 15 ~ 25 minutes.
7. wood plastic composite as claimed in claim 6, it is characterized in that, being operating as of step (2): take PE 25 parts, the discarded mushroom rod modified wood powder 50 parts after modification, 25 parts, solid waste iron tailings powder after modification, maleic anhydride graft PE 0.85 part, ethylene waxes 0.55 part, 0.85 part, paraffin, stearic acid 0.9 part, Zinic stearas 0.65 part, joins in mixer, mixes 20 minutes.
CN201510054005.7A 2015-02-03 2015-02-03 Novel wood-plastic composite material Pending CN104559279A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105440724A (en) * 2015-11-29 2016-03-30 福建梭罗复合材料研究有限公司 Molding compound containing iron ore tailings
CN105482221A (en) * 2015-12-21 2016-04-13 浙江天达环保股份有限公司 High-weatherability doped silica-aluminum plastic composite material and preparation method thereof
CN105504853A (en) * 2016-02-03 2016-04-20 中国地质大学(北京) Novel wood-plastic composite material
CN106009752A (en) * 2016-07-29 2016-10-12 安徽科邦树脂科技有限公司 Edible fungus stick plant fiber synthetic resin and preparation technique thereof
CN108504124A (en) * 2018-04-16 2018-09-07 柳州市柳晶科技股份有限公司 A kind of Wood-plastic floor raw material preparing high-strength anti-flaming type using Industrial Solid Waste
CN109516770A (en) * 2018-12-15 2019-03-26 柳州市柳晶科技股份有限公司 A kind of moisture-proof wood-plastic board of foamed ceramic and preparation method thereof
CN111019229A (en) * 2019-12-06 2020-04-17 兴义市亿洪市场管理有限公司 Stone wood plastic material prepared from regenerated raw materials and preparation method
CN112299752A (en) * 2020-11-25 2021-02-02 平泉天罡建材制造有限公司 Tailing wood-plastic composite board, preparation process and application thereof
CN112340285A (en) * 2020-11-25 2021-02-09 平泉天罡建材制造有限公司 Wood-plastic dustbin of combined flower box
CN112341834A (en) * 2020-11-25 2021-02-09 平泉天罡建材制造有限公司 Outdoor wood-plastic composite profile and preparation method thereof
CN112521765A (en) * 2020-11-25 2021-03-19 平泉天罡建材制造有限公司 Indoor wood-plastic composite section bar and preparation method thereof
CN113667239A (en) * 2021-08-19 2021-11-19 中国地质大学(北京) Basalt fiber reinforced PVC-iron tailing antibacterial composite material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007022A1 (en) * 1990-10-23 1992-04-30 Atomic Energy Of Canada Limited Process for the preparation of cellulosic fibre-reinforced thermoplastic composite materials
CN1513918A (en) * 2002-12-31 2004-07-21 中国石油化工股份有限公司 Wood plastic composite material and its preparation method and application
CN101215420A (en) * 2007-12-30 2008-07-09 东北林业大学 Wood-plastic composite material prepared from waste and old plastic mixer and preparation method thereof
CN101392099A (en) * 2008-10-23 2009-03-25 福建师范大学 Method for preparing Wood-plastic composite material by modified wood powder and waste and old plastics
CN103772894A (en) * 2014-02-28 2014-05-07 李胜刚 Plastic-wood composite material and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007022A1 (en) * 1990-10-23 1992-04-30 Atomic Energy Of Canada Limited Process for the preparation of cellulosic fibre-reinforced thermoplastic composite materials
CN1513918A (en) * 2002-12-31 2004-07-21 中国石油化工股份有限公司 Wood plastic composite material and its preparation method and application
CN101215420A (en) * 2007-12-30 2008-07-09 东北林业大学 Wood-plastic composite material prepared from waste and old plastic mixer and preparation method thereof
CN101392099A (en) * 2008-10-23 2009-03-25 福建师范大学 Method for preparing Wood-plastic composite material by modified wood powder and waste and old plastics
CN103772894A (en) * 2014-02-28 2014-05-07 李胜刚 Plastic-wood composite material and manufacturing method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105440724A (en) * 2015-11-29 2016-03-30 福建梭罗复合材料研究有限公司 Molding compound containing iron ore tailings
CN105440724B (en) * 2015-11-29 2018-06-15 福建梭罗复合材料研究有限公司 A kind of moulding compound containing iron ore tailings
CN105482221A (en) * 2015-12-21 2016-04-13 浙江天达环保股份有限公司 High-weatherability doped silica-aluminum plastic composite material and preparation method thereof
CN105504853A (en) * 2016-02-03 2016-04-20 中国地质大学(北京) Novel wood-plastic composite material
CN106009752A (en) * 2016-07-29 2016-10-12 安徽科邦树脂科技有限公司 Edible fungus stick plant fiber synthetic resin and preparation technique thereof
CN108504124A (en) * 2018-04-16 2018-09-07 柳州市柳晶科技股份有限公司 A kind of Wood-plastic floor raw material preparing high-strength anti-flaming type using Industrial Solid Waste
CN109516770A (en) * 2018-12-15 2019-03-26 柳州市柳晶科技股份有限公司 A kind of moisture-proof wood-plastic board of foamed ceramic and preparation method thereof
CN111019229A (en) * 2019-12-06 2020-04-17 兴义市亿洪市场管理有限公司 Stone wood plastic material prepared from regenerated raw materials and preparation method
CN112299752A (en) * 2020-11-25 2021-02-02 平泉天罡建材制造有限公司 Tailing wood-plastic composite board, preparation process and application thereof
CN112340285A (en) * 2020-11-25 2021-02-09 平泉天罡建材制造有限公司 Wood-plastic dustbin of combined flower box
CN112341834A (en) * 2020-11-25 2021-02-09 平泉天罡建材制造有限公司 Outdoor wood-plastic composite profile and preparation method thereof
CN112521765A (en) * 2020-11-25 2021-03-19 平泉天罡建材制造有限公司 Indoor wood-plastic composite section bar and preparation method thereof
CN113667239A (en) * 2021-08-19 2021-11-19 中国地质大学(北京) Basalt fiber reinforced PVC-iron tailing antibacterial composite material and preparation method thereof

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