CN104928993A - Production method of waterproof and mildewproof plant multifilament modified boards - Google Patents
Production method of waterproof and mildewproof plant multifilament modified boards Download PDFInfo
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- CN104928993A CN104928993A CN201510268836.4A CN201510268836A CN104928993A CN 104928993 A CN104928993 A CN 104928993A CN 201510268836 A CN201510268836 A CN 201510268836A CN 104928993 A CN104928993 A CN 104928993A
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Abstract
The invention discloses a production method of waterproof and mildewproof plant multifilament modified boards. The production method is characterized by extracting various plant fibers to be mixed proportionally, adding water into the fibers to make anion sizing agent, adding modified cationic starch, polymerizing cations and anions to rearrange plant fibers, adding water-soluble modified tung oil and mixing to make mixed plant fiber sizing agent of required concentration; dehydrating to form wet fiber plates by a coarse cloth sizing flow method; winding and pressurizing to stack the wet fiber plates to be the wet fiber plates of required thickness and finally drying. The wet fiber plates before drying can be optionally modeled, the fibers can produce different thicknesses of plates by adjusting mixing ratio, different physic performances of plates can be produced by adjusting winding pressure or controlling sizing flow and winding layers, and the production process can continuously form and productivity is high. The raw materials are wide in source and obtained from waste, resources are saved, and different fibers can make glue without harmful components by hydrogen bonding and are environment-friendly. The produced boards have waterproof, mildewproof and anti-worm-eaten by the aid of tung oil components.
Description
Technical field
The present invention relates to fiber-like board technology field, specifically refer to a kind of production method of plant multi-fibre modification plate of waterproof mildew-resistant.
Background technology
The develop rapidly of adjoint domestic real estate market and upholstery, the fiberboard industry as stock emerges rapidly, and within 2014, China's fiberboard total output is 6923.83 ten thousand steres, and the total market size is huge.Fiber-like sheet material in the market has two kinds, and a kind of is that single sheet material is spliced, as plank or bamboo chip by gluing.Another kind is traditional fiberboard (having another name called density board), by the raw material of unlike material, become granule by mechanical crushing, after applying Lauxite or other gluing preparations be suitable for, temperature-pressure is made, and it is divided into low density fiberboard (to be less than 0.65g/cm by density
3), medium density fibre board (MDF) is (between 0.65-0.80g/cm
3) and high density fiberboard (be greater than 0.80g/cm
3).Splicing sheet material not only forest tree resource consumption is large, and plate property is single, quality is firmly crisp, narrow application range; Though and traditional fiberboard has the advantages such as uniform in material, in length and breadth intensity difference are little, not easy to crack, but also there is more shortcoming simultaneously: 1, pulverize temperature-pressure gluing technique not easily moulding, make fiberboard moulding single; 2, traditional fibre plate quality is single and firmly crisp, without flexibility; 3, traditional fibre plate thickness and density are all comparatively large, more thick and heavy; 4, to yield poorly and resource consumption is large; 5, bonding glue contains harmful ingredients formaldehyde etc. more, not environmentally; 6, functional single and effect is poor, if waterproof product is then without mildew and insect proof moth function, and function additive is only sprayed at fibreboard surface, when functional effect after fiberboard surface damage disappears.Just because of traditional fibre plate exists above-mentioned many defects production capacity surplus in addition, therefore high medium density fibre board (MDF) project is classified as restricted construction project by National Development and Reform Committee.
Summary of the invention
The present invention is directed to many defects that traditional fibre plate exists, a kind of brand-new plant multi-fibre modification plate is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A production method for the plant multi-fibre modification plate of waterproof mildew-resistant, comprises the steps:
Step one: all kinds of selected plant material is pulverized immersion respectively, and string is extracted in thread rolling;
Step 2: by extracted all kinds of strings in proportion mixing and water adding make anion slurry and stir, add modified cationic starch in whipping process, combined by zwitterion and make the various plants fiber ordered arrangement that dissociates;
Step 3: add water miscible modified tung oil in above-mentioned slurry, then the mixed plant fibre stuff stirring and be modulated into desired concn that adds water;
Step 4: the felt upper surface obtained mixed plant fibre stuff evenly being flowed into transmission, and partial dehydration is carried out to the mixed plant fibre stuff of felt upper surface, make mixed plant fibre stuff form wet fiber plate at felt upper surface;
Step 5: adopt the wet fiber plate of pair roller to felt surface to carry out pressurization coiling, wet fiber plate is made to depart from felt and be incorporated into upper roller periphery by coiling is stacked, stacked reach desired thickness after cut off coiling, the wet fiber plate of upper roller periphery is departed from, the wet fiber plate of obtained desired thickness;
Step 6: obtained wet fiber plate is dry.
A kind of method for optimizing, in step 3, the preparation method of modified tung oil is: boiled through heating by tung oil, then is emulsified into emulsion and forms water miscible modified tung oil; The addition of modified tung oil accounts for mixed plant fibre weight 1%-10%.
Further, between step 5 and six, also comprise the steps: to adopt mould moulding to wet fiber plate.
A kind of method for optimizing, the concrete grammar of step 2 is: add water after first being mixed in proportion by all kinds of string and make the anion slurry that concentration is 5%, be stirred to evenly, then add the modified cationic starch accounting for mixed plant fibre weight 0.1%-5%, be stirred to zwitterion and fully combine.
A kind of method for optimizing, in step 3, finally adding water to stir is modulated into the mixed plant fibre stuff that concentration is 1.5%.
A kind of method for optimizing, in step 4, the method of the mixed plant fibre stuff of felt upper surface being carried out to partial dehydration is: the moisture first siphoning away 50%-60% mixed plant fibre stuff with negative pressure water sucting mode from felt bottom surface, make mixed plant fibre stuff form moisture fiberboard at felt upper surface, then through roller extruding make the fiberboard on felt dewater to moisture be 30%-40%.
A kind of method for optimizing, the concrete grammar of step one is: all kinds of plant material is ground into the particle that particle diameter is 5-50mm, is to soak 24-72 hour in the basic solvent of 10-14 at pH value, then by kneading or grinding leaser dissociation sub-wire, extracts string.
A kind of method for optimizing, the concrete grammar of step 6 is: be leave standstill 6-24 hour in the environment of 1%-2% in air humidity by wet fiber plate, make it dry in air exchange mode.
Further, after step 6, then surface treatment is carried out to fiberboard.
A kind of method for optimizing, in step 4, the transmission speed of felt is 90-100m/min.
The beneficial effect of the technical program is: 1, before fiberboard drying, carries out any moulding by mold pressing to wet fiber plate, or by roller, wet fiber plate surface modes is gone out decorative pattern, has enriched fiberboard form, has extended purposes; 2, can be made into the sheet material of different hardness by adjusting the mixed proportion of various fiber, even soft sheet material can doubling and do not change its performance, and compare firmly crisp traditional fibre plate, its accommodation is wider; 3, the sheet material of different densities is can be made into by adjustment coiling pressure, and by control flow check slurry amount and the coiling number of plies, can be made into the sheet material of 0.5-300mm different-thickness, not only sheet material quality range of choices is wider, and compare thick and heavy tradition as decoration of exterior wall fiberboard, low-density and frivolous sheet material safety and reliability; 4, owing to being uninterruptedly shaping, by regulating the adjustable production capacity of felt transmission speed, be more than ten times of traditional fibre plate production capacity, institute adopts raw material range of choices extensively, is generally obsolete material, effectively economizes on resources; 5, different string is by Hydrogenbond, formaldehydeless component glues, environmental protection; 6, tung oil is natural has the effect of waterproof mildew and insect proof moth, boiled wood oil performance after heating boils is more stable, modified tung oil is made an addition in blended fiber slurry, be uniformly distributed in string, make whole fiberboard possess waterproof mildew and insect proof moth function, even if fibreboard surface is destroyed also do not affect its performance simultaneously.
Detailed description of the invention
A production method for the plant multi-fibre modification plate of waterproof mildew-resistant, comprises the steps:
Step one: all kinds of selected plant material is pulverized immersion respectively, and string is extracted in thread rolling.The concrete grammar that the present embodiment adopts is: all kinds of plant material is ground into the particle that particle diameter is 5-50mm, is soak 24-72 hour in the basic solvent of 10-14 at pH value, then by kneading or grinding leaser dissociation sub-wire, extracts string.
Step 2: by extracted all kinds of strings in proportion mixing and water adding make anion slurry and stir, add modified cationic starch in whipping process, combined by zwitterion and make the various plants fiber ordered arrangement that dissociates.The concrete grammar that the present embodiment adopts is: add water after first being mixed in proportion by all kinds of string and make the anion slurry that concentration is 5%, stirring makes string be uniformly distributed in 30-60 minute, within last 5 minutes, add the modified cationic starch accounting for mixed plant fibre weight 0.1%-5% again what stir, zwitterion is fully combined.
Step 3: add water miscible modified tung oil in above-mentioned slurry, then the mixed plant fibre stuff stirring and be modulated into desired concn that adds water.The concrete grammar that the present embodiment adopts is: the preparation method of modified tung oil is: boiled through heating by tung oil, then is emulsified into emulsion and forms water miscible modified tung oil; The addition of modified tung oil accounts for mixed plant fibre weight 1%-10%; Again slurry is put into pulp storage tank, adding water is modulated into concentration and is the mixed plant fibre stuff of 1.5% and stirs 10 minutes.
Step 4: the felt upper surface obtained mixed plant fibre stuff evenly being flowed into transmission, and partial dehydration is carried out to the mixed plant fibre stuff of felt upper surface, make mixed plant fibre stuff form wet fiber plate at felt upper surface.In the present embodiment, the method of the mixed plant fibre stuff of felt upper surface being carried out to partial dehydration is: the moisture first siphoning away 50%-60% mixed plant fibre stuff with negative pressure water sucting mode from felt bottom surface, make mixed plant fibre stuff form moisture fiberboard at felt upper surface, then through roller extruding make the fiberboard on felt dewater to moisture be 30%-40%.In the present embodiment, the width of felt is 1000-3000mm, and the transmission speed of felt is 90-100m/min.
Step 5: adopt the wet fiber plate of pair roller to felt surface to carry out pressurization coiling, wet fiber plate is made to depart from felt and be incorporated into upper roller periphery by coiling is stacked, stacked reach desired thickness after cut off coiling, the wet fiber plate of upper roller periphery is departed from, the wet fiber plate of obtained desired thickness.In the present embodiment, the upper roller girth of coiling is 1000-5000mm.
Step 6: adopt mould moulding to wet fiber plate.Specifically by press moulding mode, wet fiber plate is pressed into various form, or by roller, embossing is carried out to wet fiber plate surface.
Step 7: obtained wet fiber plate is dry.The concrete grammar that the present embodiment adopts is: be leave standstill 6-24 hour in the environment of 1%-2% in air humidity by wet fiber plate, make it dry in air exchange mode.
Step 8: surface treatment is carried out to fiberboard.As colouring etc.
Above embodiment is merely illustrative and not limiting to the invention, therefore all equivalences done according to the method described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (10)
1. a production method for the plant multi-fibre modification plate of waterproof mildew-resistant, is characterized in that: comprise the steps:
Step one: all kinds of selected plant material is pulverized immersion respectively, and string is extracted in thread rolling;
Step 2: by extracted all kinds of strings in proportion mixing and water adding make anion slurry and stir, add modified cationic starch in whipping process, combined by zwitterion and make the various plants fiber ordered arrangement that dissociates;
Step 3: add water miscible modified tung oil in above-mentioned slurry, then the mixed plant fibre stuff stirring and be modulated into desired concn that adds water;
Step 4: the felt upper surface obtained mixed plant fibre stuff evenly being flowed into transmission, and partial dehydration is carried out to the mixed plant fibre stuff of felt upper surface, make mixed plant fibre stuff form wet fiber plate at felt upper surface;
Step 5: adopt the wet fiber plate of pair roller to felt surface to carry out pressurization coiling, wet fiber plate is made to depart from felt and be incorporated into upper roller periphery by coiling is stacked, stacked reach desired thickness after cut off coiling, the wet fiber plate of upper roller periphery is departed from, the wet fiber plate of obtained desired thickness;
Step 6: obtained wet fiber plate is dry.
2. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1, it is characterized in that: in step 3, the preparation method of modified tung oil is: boiled through heating by tung oil, then is emulsified into emulsion and forms water miscible modified tung oil; The addition of modified tung oil accounts for mixed plant fibre weight 1%-10%.
3. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, is characterized in that: between step 5 and six, also comprise the steps: to adopt mould moulding to wet fiber plate.
4. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, it is characterized in that: the concrete grammar of step 2 is: add water after first all kinds of string being mixed in proportion and make the anion slurry that concentration is 5%, be stirred to evenly, add the modified cationic starch accounting for mixed plant fibre weight 0.1%-5% again, be stirred to zwitterion and fully combine.
5. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, is characterized in that: in step 3, finally adds water to stir to be modulated into the mixed plant fibre stuff that concentration is 1.5%.
6. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, it is characterized in that: in step 4, the method of the mixed plant fibre stuff of felt upper surface being carried out to partial dehydration is: the moisture first siphoning away 50%-60% mixed plant fibre stuff with negative pressure water sucting mode from felt bottom surface, make mixed plant fibre stuff form moisture fiberboard at felt upper surface, then through roller extruding make the fiberboard on felt dewater to moisture be 30%-40%.
7. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, it is characterized in that: the concrete grammar of step one is: all kinds of plant material is ground into the particle that particle diameter is 5-50mm, be soak 24-72 hour in the basic solvent of 10-14 at pH value, again by kneading or grinding leaser dissociation sub-wire, extract string.
8. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, it is characterized in that: the concrete grammar of step 6 is: be leave standstill 6-24 hour in the environment of 1%-2% in air humidity by wet fiber plate, make it dry in air exchange mode.
9. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, is characterized in that: after step 6, then carries out surface treatment to fiberboard.
10. the production method of the plant multi-fibre modification plate of a kind of waterproof mildew-resistant according to claim 1 and 2, is characterized in that: in step 4, and the transmission speed of felt is 90-100m/min.
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| CN201510268836.4A CN104928993A (en) | 2015-05-25 | 2015-05-25 | Production method of waterproof and mildewproof plant multifilament modified boards |
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| CN201510268836.4A CN104928993A (en) | 2015-05-25 | 2015-05-25 | Production method of waterproof and mildewproof plant multifilament modified boards |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603831A (en) * | 2015-12-25 | 2016-05-25 | 广东华凯科技股份有限公司 | High-strength waterproof plant fiberboard and production process thereof |
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| CN1216329A (en) * | 1997-10-31 | 1999-05-12 | 张志强 | Fiberboard producing process by utilizing waste blend fiber |
| EP1197597A1 (en) * | 2000-03-21 | 2002-04-17 | Ibiden Co., Ltd. | Hardened body, and method and device for manufacturing the hardened body |
| JP2002302898A (en) * | 2001-04-02 | 2002-10-18 | Ibiden Co Ltd | Method for producing cured product and apparatus for producing cured product |
| JP4299398B2 (en) * | 1999-04-09 | 2009-07-22 | 木村化工機株式会社 | Dry mold board manufacturing method and dry mold board manufacturing apparatus |
| CN102493287A (en) * | 2011-12-08 | 2012-06-13 | 南京博方生物科技有限公司 | Method for producing plate by fiber-containing sludge and application thereof |
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2015
- 2015-05-25 CN CN201510268836.4A patent/CN104928993A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216329A (en) * | 1997-10-31 | 1999-05-12 | 张志强 | Fiberboard producing process by utilizing waste blend fiber |
| JP4299398B2 (en) * | 1999-04-09 | 2009-07-22 | 木村化工機株式会社 | Dry mold board manufacturing method and dry mold board manufacturing apparatus |
| EP1197597A1 (en) * | 2000-03-21 | 2002-04-17 | Ibiden Co., Ltd. | Hardened body, and method and device for manufacturing the hardened body |
| JP2002302898A (en) * | 2001-04-02 | 2002-10-18 | Ibiden Co Ltd | Method for producing cured product and apparatus for producing cured product |
| CN102493287A (en) * | 2011-12-08 | 2012-06-13 | 南京博方生物科技有限公司 | Method for producing plate by fiber-containing sludge and application thereof |
Non-Patent Citations (2)
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| 中国技术成果大全编辑部: "《中国技术成果大全 1987-1988 第16册》", 31 December 1988 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603831A (en) * | 2015-12-25 | 2016-05-25 | 广东华凯科技股份有限公司 | High-strength waterproof plant fiberboard and production process thereof |
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Effective date of registration: 20160203 Address after: Sha Tin Town xitailong Ni 523000 village in Guangdong province Dongguan City No. 171 Applicant after: Guangdong green Paul eco Polytron Technologies Inc Address before: 523000 Qiaotou first industrial zone, Houjie, Guangdong, Dongguan Applicant before: DONGGUAN LYUBAO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
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Application publication date: 20150923 |
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