CN102345361A - Method for manufacturing wood-plastic composite floor - Google Patents
Method for manufacturing wood-plastic composite floor Download PDFInfo
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- CN102345361A CN102345361A CN2010102439782A CN201010243978A CN102345361A CN 102345361 A CN102345361 A CN 102345361A CN 2010102439782 A CN2010102439782 A CN 2010102439782A CN 201010243978 A CN201010243978 A CN 201010243978A CN 102345361 A CN102345361 A CN 102345361A
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Abstract
The invention relates to a method for manufacturing a wood-plastic composite floor. The method comprises the following steps of: uniformly mixing a wood material according to a proportion; drying at the temperature of between 80 and 120 DEG C until the water content is less than 2.5 percent; grinding by using a grinder until the particle size of the material is 50 to 90 meshes; removing impurities from a thermoplastic material, mixing, and melting; adding wood material powder; adding a surfactant and an absorbent; and fully mixing and performing plastic manufacturing processes of sheet pulling, lamination and the like to obtain a finished floor board, wherein the wood material is a mixture of wood particles and at least two materials of rice husks, carapace and straws in the weight ratio of (1-2):(0.5-1):(0.5-1). In the method, the wood material combined by various materials is utilized, so that the defects of long and short fibers are overcome; chitin is added, and the viscosity of the floor is increased after moisture in the air is absorbed, so that the sealing performance among all the materials is improved; and the using amount of an aid is reduced, and the performance of the floor is similar to that of a wood-plastic material obtained by using a single wood material, so that the method is environment-friendly and is low in cost.
Description
Technical field
The present invention relates to a kind of New Building Materials, relate to a kind of preparation method of wood-plastic composite floor specifically.
Background technology
Along with the raising of environmental protection and energy saving consciousness, people no longer have been satisfied with the timber waste of wooden floor and the high formaldehyde release of consolidated floor, press for a kind of novel constructional materials that has energy-conservation, low cost, is easy to arrange.
Wood plastic composite is a kind of novel material; The shell that is waste and old wood that processed is crossed, sawdust, agricultural crop straw, nut is according to certain ratio; Mix through high temperature high pressure process with thermoplastic and to process, have acid and alkali-resistance, advantages such as imputrescibility; But existing Wood-plastic material generally all is to mix with single thermoplastic material with single wood materials, and needs to add a large amount of auxiliary agents.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation method of wood-plastic composite floor, and multiple wood materials mixes, and reduce the use amount of auxiliary agent, and performance of products can not reduce.
For solving the problems of the technologies described above, the present invention realizes like this
A kind of preparation method of wood-plastic composite floor is characterized in that, comprises the steps:
To get wood materials in proportion, mix, 80-120 ℃ dry to moisture content below 2.5%, mill is pulverized and to be made granularity at the 50-90 order;
Thermoplastic material is rejected mixing fusion behind the impurity, add the wood materials powder, add surface conditioning agent, adsorbent, fully mix after obtain the floor board of finished product after the operation of plastics such as pulling-on piece, lamination preparation;
Described wood materials: thermoplastic material=5-50: 50-95; Preferred range is 10-30: 70-90;
Described wood materials be wood grain with rice husk, crust, stalk at least two kinds of mixtures of material, and two kinds weight portion of wood grain and other is 1-2: 0.5-1: 0.5-1.Described agricultural crop straw is maize straw, soybean stalk etc.
Described thermoplastic material is polyvinyl, polypropylene, polyvinyl chloride or its copolymer;
The consumption of described surface conditioning agent is to add the 1-5 weight portion in per 100 weight portion wood materials and the thermoplastic material mixture, and kind is to be selected from any of silane coupler, titanate coupling agent;
The consumption of described adsorbent is to add 2-5 part weight portion in per 100 weight portion wood materials and the thermoplastic material mixture, is any of ethylene-vinyl acetate copolymer (EVA), maleic anhydride modified polypropylene (MA-PP).
The present invention has following positive effect: simple wood powder tends to reunite in blend, and the Wood-plastic material of preparation has tiny crackle after outdoor application a period of time, can influence its life-span after airborne moisture content gets into.The present invention adopts non-single wood materials, and can form the fiber of multiple different length like this, cooperatively interacts; Remedy mutual deficiency; And added chitin, absorbed the pasty state that becomes thickness behind the airborne moisture, helped improving the adaptation between each material.Reduced the use amount of auxiliary agent, and performance is similar with the Wood-plastic material that single use wood materials obtains, therefore more environmental protection has reduced cost comparatively speaking, is worthy to be popularized.
Wood-plastic composite floor has improved 60%, 47%, 156% respectively, and has had excellent water tolerance than pure poly high-flexural strength, tensile strength, bending resistance modulus of elasticity.Table 1 is the present invention's Wood-plastic material for preparing and comparison of using the Wood-plastic material that obtains behind the single wood materials.
The Wood-plastic material of table 1 the present invention preparation and the comparison of using the Wood-plastic material that obtains behind the single wood materials
Description of drawings
Fig. 1 is a process schematic representation of the present invention.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is done further detailed description.
Embodiment 1
A kind of wood-plastic composite floor is characterized in that component constitutes according to following weight portion:
Material weight
Wood grain 10kg
Rice husk 5kg
Crust 5kg
Polyvinyl 80kg
Preparation technology is following:
With reference to shown in Figure 1, will get wood materials in proportion, mix, 80 ℃ dry to moisture content below 2.5%, mill is pulverized and is made granularity at 50 orders; Thermoplastic material is rejected mixing fusion behind the impurity, add the wood materials powder, add silane coupler 1kg, ethylene-vinyl acetate copolymer 5kg, fully mix after obtain the floor board of finished product after the operation of plastics such as pulling-on piece, lamination preparation.
Embodiment 2-5
Embodiment 2 to embodiment 5 (see go up table) except the consumption difference of each component, other all be identical, therefore do not give unnecessary details.
The above-mentioned specific embodiment does not limit technical scheme of the present invention in any form, and the technical scheme that mode obtained that every employing is equal to replacement or equivalent transformation all drops on protection scope of the present invention.
Claims (4)
1. the preparation method of wood-plastic composite floor is characterized in that, comprises the steps:
To get wood materials in proportion, mix, 80-120 ℃ dry to moisture content below 2.5%, mill is pulverized and to be made granularity at the 50-90 order;
Thermoplastic material is rejected mixing fusion behind the impurity, add the wood materials powder, add surface conditioning agent, adsorbent, fully mix after obtain the floor board of finished product after the operation of plastics such as pulling-on piece, lamination preparation.
2. the preparation method of wood-plastic composite floor according to claim 1, the weight part ratio that it is characterized in that described wood materials and thermoplastic material is 5-50: 50-95; The wood grain is 1-2 with the weight part ratio of other two kinds of materials in the described wood materials: 0.5-1: 0.5-1; The consumption of surface conditioning agent is to add 1-5 weight portion surface conditioning agent in per 100 weight portion wood materials and the thermoplastic material mixture; The consumption of described adsorbent is the adsorbent that adds 5-10 part weight portion in per 100 weight portion wood materials and the thermoplastic material mixture.
3. the preparation method of described wood-plastic composite floor according to claim 1 is characterized in that said stalk is maize straw, soybean stalk; Described thermoplastic material is polyvinyl, polypropylene, polyvinyl chloride or its copolymer; Described surface conditioning agent is selected from any of silane coupler, titanate coupling agent; Described adsorbent is any of ethylene-vinyl acetate copolymer (EVA), maleic anhydride modified polypropylene (MA-PP).
4. the preparation method of wood-plastic composite floor according to claim 1, the weight part ratio that it is characterized in that said wood materials and thermoplastic material is 10-30: 70-90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102439782A CN102345361A (en) | 2010-08-03 | 2010-08-03 | Method for manufacturing wood-plastic composite floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102439782A CN102345361A (en) | 2010-08-03 | 2010-08-03 | Method for manufacturing wood-plastic composite floor |
Publications (1)
| Publication Number | Publication Date |
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| CN102345361A true CN102345361A (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102439782A Pending CN102345361A (en) | 2010-08-03 | 2010-08-03 | Method for manufacturing wood-plastic composite floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242602A (en) * | 2013-05-06 | 2013-08-14 | 徐开蒙 | Novel antibacterial wood plastic composite material and preparation method thereof |
Citations (6)
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|---|---|---|---|---|
| WO2006123853A1 (en) * | 2005-05-18 | 2006-11-23 | Lg Chem, Ltd. | Structure and method for constructing 2-ply upper board of dry heating system |
| US20070125484A1 (en) * | 2005-12-06 | 2007-06-07 | Wubing Dai | The Method of Manufacturing Aldehyde-free Engineer Wood Floor |
| CN101028720A (en) * | 2006-03-03 | 2007-09-05 | 吴云生 | Wooden floor and its production |
| CN101152760A (en) * | 2007-09-11 | 2008-04-02 | 浙江永吉木业有限公司 | Production technology for wood-plastic water-proof outdoor floor and products produced thereby |
| CN101372545A (en) * | 2007-08-23 | 2009-02-25 | 青岛同飞管业有限公司 | Novel wood-plastic floor and production method thereof |
| CN101596732A (en) * | 2009-06-12 | 2009-12-09 | 浙江世友木业有限公司 | The production method of wood-plastic composite floor |
-
2010
- 2010-08-03 CN CN2010102439782A patent/CN102345361A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006123853A1 (en) * | 2005-05-18 | 2006-11-23 | Lg Chem, Ltd. | Structure and method for constructing 2-ply upper board of dry heating system |
| US20070125484A1 (en) * | 2005-12-06 | 2007-06-07 | Wubing Dai | The Method of Manufacturing Aldehyde-free Engineer Wood Floor |
| CN101028720A (en) * | 2006-03-03 | 2007-09-05 | 吴云生 | Wooden floor and its production |
| CN101372545A (en) * | 2007-08-23 | 2009-02-25 | 青岛同飞管业有限公司 | Novel wood-plastic floor and production method thereof |
| CN101152760A (en) * | 2007-09-11 | 2008-04-02 | 浙江永吉木业有限公司 | Production technology for wood-plastic water-proof outdoor floor and products produced thereby |
| CN101596732A (en) * | 2009-06-12 | 2009-12-09 | 浙江世友木业有限公司 | The production method of wood-plastic composite floor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242602A (en) * | 2013-05-06 | 2013-08-14 | 徐开蒙 | Novel antibacterial wood plastic composite material and preparation method thereof |
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Application publication date: 20120208 |
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| RJ01 | Rejection of invention patent application after publication |