CN104942960A - Production method of flame-retardant multi-plant-fiber modified board - Google Patents
Production method of flame-retardant multi-plant-fiber modified board Download PDFInfo
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- CN104942960A CN104942960A CN201510269087.7A CN201510269087A CN104942960A CN 104942960 A CN104942960 A CN 104942960A CN 201510269087 A CN201510269087 A CN 201510269087A CN 104942960 A CN104942960 A CN 104942960A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
Abstract
The invention discloses a production method of a flame-retardant multi-plant-fiber modified board. The production method is characterized in that kinds of plant fiber are extracted and proportionally mixed, water is added, the mixture is stirred to form anionic slurry, modified cationic starch is added, the plant fiber is arrayed again through anion and cation polymerization, a flame retardant is added, the mixture is prepared into mixed plant fiber slurry of a needed concentration, a wet fiber board is formed through fleece slurry flowing and dehydration, the wet fiber board is wound, pressed and laminated to form a wet fiber board of a needed thickness, and finally drying treatment is performed. The wet fiber board can be freely modeled before drying treatment; boards of different hardnesses can be made by adjusting the mixing ratio of the fiber; boards of different physical properties can be made by adjusting the winding pressure or controlling the slurry flowing quantity and the number of winding layers; continuous forming is achieved, so that the production process is high in yield; selected materials are waste materials generally, so that resources are saved; different kinds of fiber are combined with glue containing no harmful ingredient through hydrogen bonds, so that environmental friendliness is achieved; the whole board has a flame retarding function.
Description
Technical field
The present invention relates to fiber-like board technology field, specifically refer to a kind of production method of fire-retardant plant multifilament modification plate.
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, function singleness and effect is poor, but do not possess Anti-moth-eating function, and function additive is only sprayed at fibreboard surface after making fire-proof function, 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 multifilament modification plate is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A production method for fire-retardant plant multifilament modification plate, 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 fire retardant 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 fire retardant is: the adhesive adding weight ratio 2%-3% by proportioning in 30Kg water stirs, add ternary hydrotalcite 9Kg again when there is foam to stir, then by mulser emulsification, restart and stir and add ten bromine 7.2Kg and antimony oxide 2.4Kg, even to preparation; The addition of fire retardant accounts for mixed plant fibre weight 5%-15%.
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 water content 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 in 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, fire retardant makes an addition in composite fibre slurry, is uniformly distributed in string, makes whole fiberboard have fire-retardant fireproof function, even if fibreboard surface is destroyed also do not affect its performance; Ternary hydrotalcite, ten bromines and antimony oxide material not only have flame-retarding characteristic, and wherein ternary hydrotalcite also makes fiberboard have insect protected function.
Detailed description of the invention
A production method for fire-retardant plant multifilament modification plate, 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 in 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 fire retardant 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 fire retardant is: add 30Kg water in a reservoir, open mixer, the adhesive adding weight ratio 2%-3% stirs 2-3 minute, slowly add ternary hydrotalcite 9Kg when there is foam again and stir 10 minutes to even, stop stirring then by mulser emulsification 10-15 minute, make solution be milk emulsus, then start stirring under putting into mixer, slowly add ten bromine 7.2Kg and antimony oxide 2.4Kg, stir 3-5 minute even to preparation; The addition of fire retardant accounts for mixed plant fibre weight 5%-15%; 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 water content 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 fire-retardant plant multifilament modification plate, 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 fire retardant 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 a kind of fire-retardant plant multifilament modification plate according to claim 1, it is characterized in that: in step 3, the preparation method of fire retardant is: the adhesive adding weight ratio 2%-3% by proportioning in 30Kg water stirs, add ternary hydrotalcite 9Kg again when there is foam to stir, then by mulser emulsification, restart and stir and add ten bromine 7.2Kg and antimony oxide 2.4Kg, even to preparation; The addition of fire retardant accounts for mixed plant fibre weight 5%-15%.
3. the production method of a kind of fire-retardant plant multifilament modification plate 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 a kind of fire-retardant plant multifilament modification plate 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 a kind of fire-retardant plant multifilament modification plate 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 a kind of fire-retardant plant multifilament modification plate 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 water content be 30%-40%.
7. the production method of a kind of fire-retardant plant multifilament modification plate 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 in pH value, again by kneading or grinding leaser dissociation sub-wire, extract string.
8. the production method of a kind of fire-retardant plant multifilament modification plate 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 a kind of fire-retardant plant multifilament modification plate 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 a kind of fire-retardant plant multifilament modification plate according to claim 1 and 2, it is characterized in that: in step 4, the transmission speed of felt is 90-100m/min.
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| CN201510269087.7A CN104942960B (en) | 2015-05-25 | 2015-05-25 | A kind of fire-retardant plant multifilament is modified the production method of plate |
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| CN201510269087.7A CN104942960B (en) | 2015-05-25 | 2015-05-25 | A kind of fire-retardant plant multifilament is modified the production method of plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291208A (en) * | 2015-10-22 | 2016-02-03 | 德华兔宝宝装饰新材股份有限公司 | Preparation method for reassembled decorative material |
| CN105415453A (en) * | 2015-10-22 | 2016-03-23 | 德华兔宝宝装饰新材股份有限公司 | Preparation method for recombining decoration material through gluing of waterborne isocyanates |
| CN107724187A (en) * | 2017-10-23 | 2018-02-23 | 罗铭炽 | A kind of production method of fiberboard |
| CN108582337A (en) * | 2018-05-30 | 2018-09-28 | 国际竹藤中心 | A kind of bamboo wood explosion separation with from recombination method |
| CN108930191A (en) * | 2018-07-03 | 2018-12-04 | 合肥华盖光伏科技有限公司 | A kind of preparation method of Anti-moth-eating anti-bacterial fibre plate |
| CN116968138A (en) * | 2023-08-14 | 2023-10-31 | 阜阳大可新材料股份有限公司 | Production method of flame-retardant waterproof high-density fiberboard with thickness of 1mm |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291208A (en) * | 2015-10-22 | 2016-02-03 | 德华兔宝宝装饰新材股份有限公司 | Preparation method for reassembled decorative material |
| CN105415453A (en) * | 2015-10-22 | 2016-03-23 | 德华兔宝宝装饰新材股份有限公司 | Preparation method for recombining decoration material through gluing of waterborne isocyanates |
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| CN108582337A (en) * | 2018-05-30 | 2018-09-28 | 国际竹藤中心 | A kind of bamboo wood explosion separation with from recombination method |
| CN108930191A (en) * | 2018-07-03 | 2018-12-04 | 合肥华盖光伏科技有限公司 | A kind of preparation method of Anti-moth-eating anti-bacterial fibre plate |
| CN116968138A (en) * | 2023-08-14 | 2023-10-31 | 阜阳大可新材料股份有限公司 | Production method of flame-retardant waterproof high-density fiberboard with thickness of 1mm |
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| CN104942960B (en) | 2018-01-30 |
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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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Effective date of registration: 20200522 Address after: Sha Tin Town xitailong Ni 523000 village in Guangdong province Dongguan City No. 171 Patentee after: DONGGUAN LUBAO PAPER PLASTIC PRODUCT Co.,Ltd. Address before: Sha Tin Town xitailong Ni 523000 village in Guangdong province Dongguan City No. 171 Patentee before: GUANGDONG LVBAO ECOLOGICAL TECHNOLOGY Co.,Ltd. |