CN102873807B - The manufacture method of elastic composite floor board base material - Google Patents
The manufacture method of elastic composite floor board base material Download PDFInfo
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- CN102873807B CN102873807B CN201210378330.5A CN201210378330A CN102873807B CN 102873807 B CN102873807 B CN 102873807B CN 201210378330 A CN201210378330 A CN 201210378330A CN 102873807 B CN102873807 B CN 102873807B
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Abstract
The present invention relates to a kind of manufacture method of elastic composite floor board base material, there are following steps: a) first raw material prepares: rolled by roller by particle diameter 30 ~ 100 object rubber grain, make particle surface roughening, then apply soluble modified dose, make particle surface stickyization; Add the ultra-fine rubber powder of particle diameter 100 ~ 200 object in synthetic resin liquid adhesive as resiliently-mounted floor adhesive; B) by rubber grain, resiliently-mounted floor adhesive and wood-fibred and/or grass fiber Homogeneous phase mixing; C) mixture is pressed into floor base material by the mode of hot pressing.The invention has the beneficial effects as follows: by compounded rubber in Traditional Wood fiberboard substrate, significantly improve the elasticity of consolidated floor; By carrying out surface melting modification to rubber grain, significantly strengthen the glue performance of wood-fibred and rubber grain; Achieve rubber grain being uniformly distributed in composite floor substrate.
Description
Technical field
The present invention relates to the manufacture method of elastic composite floor board base material, particularly the manufacture method of elastic composite floor board base material that is composited of a kind of rubber and wood-fibred and/or grass fiber.
Background technology
Consolidated floor is the wood floors adopting impregnated paper and high density fiberboard to be composited also known as impregnated-paper laminated wood floor, due to high, the apparent beautiful advantage such as changeable of technical maturity, cost performance, is widely used in various flooring and mats formation occasion.But because consolidated floor density is high, density is generally higher than 0.85g/cm
3, the original loose structure of timber disappears totally, and the elasticity of product significantly weakens, and especially the ability of shock absorbing load obviously reduces.In a lot of occasion such as such as stadiums, body-building venue etc., high-speed motion or sudden jump of human body need floor to have higher elasticity, to strengthen the pop effect of motion, with Protection of the sportsman limbs, reduce athletic injury.
At present, in numerous wood floors, solid wooden floor board is because the natural microstructure of timber, and have parting bead when adding installation, floor system is half vacant state, therefore has good elasticity, and human body walking comfortableness is strong.But solid wooden floor board valency is high, resource is few, the ratio accounting for wood floors total output and consumption figure declines year by year.Cork flooring adopts cork oak bark to make flooring product as core material, have excellent shock absorbing capability, but output is few, only for top-grade consumption occasion.
Rubber is generally acknowledged superior elasticity material, can when there is large deformation (being greater than 200%) momentary recovery original size, in other words, foreign impacts load (such as: human body jump, high-altitude falling bodies colliding surface, etc.) can be consumed easily.Every year, the whole world produces the more than one hundred million ton of rubber such as junked tire, wherein still has an appointment 50% not obtain Appropriate application, causes serious resources idle and environmental pollution.
If by rubber combined enter consolidated floor, the elasticity of traditional consolidated floor can be improved, simultaneously solve changing waste rubber into resources utilize problem.But waste old and timber are the distinct materials of two classes.Manufacture " rubber-timber " composite type reinforced floor base material and will face following technological difficulties:
(1) rubber is hydrophobic material, and timber is hydrophilic material.The base material of tradition consolidated floor is high density fiberboard, and the fiber element ground by timber adopts hydrophilic Lauxite (or similar synthetic resin) adhesive to glue together and forms.If rubber and wood-fibred mixed, the bonding strength of original adhesive will significantly weaken.Therefore, the bonding strength how strengthened between " rubber-wood-fibred " will be one of technological difficulties.
(2) rubber is elastomer, after " rubber-wood-fibred " is combined into sheet material, may bring difficulty to machinings such as follow-up sawing, sanding surface, tongue-and-groove processing.How by the control of composite technology, be technological difficulties two.
(3) density of waste old is greater than wood-fibred, how simply to mix two kinds of unit, will cause rubber skewness in composite board.How by technology and control, realize wood-fibred and being uniformly distributed of rubber unit is technological difficulties three.
Summary of the invention
Technical problem to be solved by this invention is: the manufacture method providing a kind of elastic composite floor board base material, and what realize wood-fibred and/or grass fiber and rubber is combined into floor base material.
The technical solution adopted for the present invention to solve the technical problems is: a kind of manufacture method of elastic composite floor board base material, has following steps:
A) raw material prepares:
Particle diameter 30 ~ 100 object rubber grain is rolled by roller, makes particle surface roughening, then apply soluble modified dose, make particle surface stickyization;
Add the ultra-fine rubber powder of particle diameter 100 ~ 200 object in synthetic resin liquid adhesive as resiliently-mounted floor adhesive;
B) by rubber grain, resiliently-mounted floor adhesive and wood-fibred and/or grass fiber Homogeneous phase mixing;
C) mixture is pressed into floor base material by the mode of hot pressing.
Particularly, soluble modified dose is acetone, and the applied amount of acetone is 1% ~ 5% of rubber grain quality.
Particularly, synthetic resin liquid adhesive is Lauxite, cyanurotriamide modified urea resin or isocyanate resin, when use grass fiber or vegetation composite fibre and rubber combined time, preferred isocyanate resin.
Particularly, the applied amount of ultra-fine rubber powder is 5 ~ 15% of resiliently-mounted floor adhesive solid masses.
Particularly, the addition of rubber grain is 5 ~ 20% of base material gross mass.
In order to make rubber grain, resiliently-mounted floor adhesive mixes more uniformly with wood-fibred and/or grass fiber, further raising bonding strength, particularly, in stepb, first resiliently-mounted floor adhesive is uniformly applied to after on wood-fibred and/or grass fiber, and recycling mixer is by rubber grain after treatment and wood-fibred and/or grass fiber Homogeneous phase mixing.
For making full use of waste old, reduce environmental pollution, particularly, rubber grain and ultra-fine rubber powder are pulverized by waste old and are screened and obtain.
The invention has the beneficial effects as follows: (1), by compounded rubber in Traditional Wood fiberboard substrate, significantly improves the elasticity of consolidated floor; (2) by carrying out surface melting modification to rubber grain, the glue performance of wood-fibred and rubber grain is significantly strengthened; (3) rubber grain being uniformly distributed in composite floor substrate is achieved; (4) for the recycling of waste old provides new way with saving timber resources.
Detailed description of the invention
Being beneficial to waste old is example, and the present invention will be described:
A manufacture method for elastic composite floor board base material, has following steps:
A) raw material prepares:
Waste old is pulverized and screens and obtain particle diameter 30 ~ 100 object rubber grain and the ultra-fine rubber powder of particle diameter 100 ~ 200 object;
Particle diameter 30 ~ 100 object rubber grain is rolled by roller, make particle surface roughening, apply soluble modified dose again, make particle surface stickyization, soluble modified dose is acetone, the applied amount of acetone is 1% ~ 5% of rubber grain quality, and other also can be adopted except acetone to be that neutral or weakly acidic solvent rubber to dissolution is as soluble modified dose;
Add the ultra-fine rubber powder of particle diameter 100 ~ 200 object in synthetic resin liquid adhesive as resiliently-mounted floor adhesive, synthetic resin liquid adhesive is Lauxite or cyanurotriamide modified urea resin, the applied amount of ultra-fine rubber powder is 5 ~ 15% of resiliently-mounted floor adhesive solid masses, preferably 10%;
B) first resiliently-mounted floor adhesive is evenly sprayed onto after on wood-fibred by atomization method, and recycling mixer is by rubber grain after treatment and wood-fibred Homogeneous phase mixing, and the addition of rubber grain is 5 ~ 20% of base material gross mass, and preferably 10%;
C) mixture is pressed into floor base material by the mode of hot pressing.
Claims (4)
1. a manufacture method for elastic composite floor board base material, is characterized in that: have following steps:
A) raw material prepares:
Particle diameter 30 ~ 100 object rubber grain is rolled by roller, makes particle surface roughening, then apply soluble modified dose, make particle surface stickyization;
Add the ultra-fine rubber powder of particle diameter 100 ~ 200 object in synthetic resin liquid adhesive as resiliently-mounted floor adhesive;
B) by rubber grain, resiliently-mounted floor adhesive and wood-fibred and/or grass fiber Homogeneous phase mixing;
C) mixture is pressed into floor base material by the mode of hot pressing,
The applied amount of described ultra-fine rubber powder is 5 ~ 15% of resiliently-mounted floor adhesive solid masses,
The addition of described rubber grain is 5 ~ 20% of base material gross mass,
In stepb, first resiliently-mounted floor adhesive is uniformly applied to after on wood-fibred and/or grass fiber, and recycling mixer is by rubber grain after treatment and wood-fibred and/or grass fiber Homogeneous phase mixing.
2. the manufacture method of elastic composite floor board base material according to claim 1, is characterized in that: described soluble modified dose is acetone, and the applied amount of acetone is 1% ~ 5% of rubber grain quality.
3. the manufacture method of elastic composite floor board base material according to claim 1, is characterized in that: described synthetic resin liquid adhesive is Lauxite, cyanurotriamide modified urea resin or isocyanate resin.
4. the manufacture method of elastic composite floor board base material according to claim 1, is characterized in that: described rubber grain and ultra-fine rubber powder are pulverized by waste old and screened and obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210378330.5A CN102873807B (en) | 2012-09-29 | 2012-09-29 | The manufacture method of elastic composite floor board base material |
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| CN201210378330.5A CN102873807B (en) | 2012-09-29 | 2012-09-29 | The manufacture method of elastic composite floor board base material |
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| CN102873807A CN102873807A (en) | 2013-01-16 |
| CN102873807B true CN102873807B (en) | 2015-10-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002355A (en) * | 2014-05-28 | 2014-08-27 | 安徽德翔人造板有限公司 | Environment-friendly laminate floor board substrate |
| CN105820398A (en) * | 2016-05-06 | 2016-08-03 | 滁州远方车船装备工程有限公司 | High-tenacity wood-rubber composite floor and preparing method thereof |
| CN105906888A (en) * | 2016-05-06 | 2016-08-31 | 滁州远方车船装备工程有限公司 | High-tensile-strength wood and rubber composite floor and preparation method |
| CN105885149A (en) * | 2016-05-06 | 2016-08-24 | 滁州远方车船装备工程有限公司 | Anti-scraping wood and rubber laminated floor board and preparation method thereof |
| CN107082916A (en) * | 2017-05-23 | 2017-08-22 | 黑龙江工业学院 | A kind of gymnasium composite rubber floor preparation method |
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2012
- 2012-09-29 CN CN201210378330.5A patent/CN102873807B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 邱建辉.胶粘剂技术的三要素.《胶黏剂实用技术》.化学工业出版社,2004,(第一版),第6-11页. * |
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