CN104927374A - Compression-resistant bending-resistant enhanced fiber board material and preparation method thereof - Google Patents
Compression-resistant bending-resistant enhanced fiber board material and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the field of fiber board, and discloses a compression-resistant bending-resistant enhanced fiber board material and a preparation method thereof. The enhanced fiber board material comprises 12-22 parts of lignocellulose, 5-11 parts of glass fiber, 3-7 parts of bamboo fiber, 3-5 parts of sunflower stem fiber, 4-8 parts of chitin fiber, 0.5-1.5 parts of a coupling agent KH-550, 3-7 parts of urea-formaldehyde resin, 5-10 parts of silicon nitride powder, 3-6 parts of magnesium oxide powder, and 1.5-2 parts of di-sec-octyl phthalate. The preparation method of the compression-resistant bending-resistant enhanced fiber board material comprises the following steps: (1) silicon nitride powder and magnesium oxide powder are crushed; (2) the materials are added into a mixing tank, and are mixed; (3) the mixed material is added into a forming machine, and is subjected to compression forming and cutting, such that the compression-resistant bending-resistant enhanced fiber board material is obtained.
Description
Technical field
The invention belongs to fibrous plate field, relate to a kind of fibrous plate and preparation method thereof, fortifying fibre panel material particularly relating to a kind of pressure-proof and snap-resistent and preparation method thereof.
Background technology
Fiberboard has another name called density board, is with wood fibre or other plant cellulose fiber for raw material, applies the wood-based plate that urea-formaldehyde resin or other tackiness agent be suitable for are made.Tackiness agent or additive can be applied in manufacturing processed.Fiberboard has the advantages such as uniform in material, in length and breadth intensity difference are little, not easy to crack, of many uses.Manufacture the timber that 1 cubic metre of fiberboard about needs 2.5 ~ 3 cubic metres, 3 cubic metres of sawn timbers or 5 cubic metres of logs can be replaced.Development Fibreboard Production is the effective way of timber resources comprehensive utilization.Fibreboard Production raw material sources are extensive, and every plant with certain fibre content all can be used as the raw materials for production of fiberboard.When selecting raw material, the quality of raw material first to be considered.Fibre shape and content are the important indicators determining raw materials quality, it is generally acknowledged that length is long, long-width ratio is large, that cell walls is thin is existing for having good intertexture power, thus can improve fiberboard quality.Desirable fiberboard raw material should be the raw material that fibre content is high, heteroproteose cell content is low.In chemical composition, content of cellulose is high, the water-tolerant of product, and physical and mechanical property is good.The mechanical property of conventional fiberboard is poor, needs to improve its ultimate compression strength and folding strength etc., therefore needs to improve the technique of fiberboard and moiety.
Summary of the invention
The technical problem solved: vegetable fibre sheet material common mostly at present is lignocellulose and forms, wherein vegetable fibre kind is comparatively single, the physical strength of the fibrous plate prepared is as not high in ultimate compression strength and folding strength yet, poor physical strength governs the deep use of vegetable fiberboard, therefore needs the physical strength improving fabric fibre panel material.
Technical scheme: fortifying fibre panel material that the invention discloses a kind of pressure-proof and snap-resistent and preparation method thereof, the fortifying fibre panel material of described pressure-proof and snap-resistent comprises the composition of following weight part:
Lignocellulose 12-22 part,
Glass fibre 5-11 part,
Bamboo fibers 3-7 part,
Sunflower pole fiber 3-5 part,
Chitin fiber 4-8 part,
Coupling agent KH-550 0.5-1.5 part,
Urea-formaldehyde resin 3-7 part,
Alpha-silicon nitride powders 5-10 part,
Magnesium oxide powder 3-6 part,
Di-sec-octyl phthalate 1.5-2 part.
Preferably, the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, comprises the composition of following weight part:
Lignocellulose 15-20 part,
Glass fibre 7-10 part,
Bamboo fibers 4-6 part,
Sunflower pole fiber 4-5 part,
Chitin fiber 5-7 part,
Coupling agent KH-550 0.8-1.2 part,
Urea-formaldehyde resin 4-6 part,
Alpha-silicon nitride powders 7-9 part,
Magnesium oxide powder 4-5 part,
Di-sec-octyl phthalate 1.6-1.9 part.
Preferred further, the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, comprises the composition of following weight part:
Lignocellulose 17 parts,
9 parts, glass fibre,
Bamboo fibers 5 parts,
Sunflower pole fiber 4 parts,
Chitin fiber 6 parts,
Coupling agent KH-550 1 part,
Urea-formaldehyde resin 5 parts,
Alpha-silicon nitride powders 8 parts,
Magnesium oxide powder 5 parts,
Di-sec-octyl phthalate 1.8 parts.
The preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, comprises the steps:
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 150 order-400 orders;
(2) get lignocellulose 12-22 part respectively by weight, glass fibre 5-11 part, bamboo fibers 3-7 part, sunflower pole fiber 3-5 part, chitin fiber 4-8 part, coupling agent KH-550 be 0.5-1.5 part, urea-formaldehyde resin 3-7 part, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 60rpm-240rpm, and churning time is 30min-300min;
(3) in stirred pot, add the alpha-silicon nitride powders 5-10 part after pulverizing, magnesium oxide powder 3-6 part and di-sec-octyl phthalate 1.5-2 part again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, pressing pressure is 20MPa-25MPa, and the press time is 60min-120min, after compression moulding, material is cut again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Preferably, the preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, being crushed to powder order number in step (1) is 300 order-400 orders.
Preferably, the preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, in step (2), mixing speed is 120rpm.
Preferably, the preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, in step (2), churning time is 150min.
Preferably, the preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, in step (4), pressing pressure is 22MPa.
Preferably, the preparation method of the fortifying fibre panel material of described a kind of pressure-proof and snap-resistent, in step (4), the press time is 90min.
beneficial effect:fortifying fibre panel material of the present invention is under the prerequisite of lignocellulose, also add other plant filamentary material, especially the sunflower pole fiber added and chitin fiber, improve the intensity of fibre board material, the silicon nitride added in addition and magnesium oxide powder also improve ultimate compression strength and the folding strength of the fiberboard of preparation, significantly enhance the performance of composite fiber plate.
Embodiment
Embodiment 1
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 400 orders;
(2) get lignocellulose 22 parts respectively by weight, 5 parts, glass fibre, bamboo fibers 3 parts, sunflower pole fiber 5 parts, chitin fiber 8 parts, coupling agent KH-550 be 1.5 parts, urea-formaldehyde resin 3 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 240rpm, and churning time is 30min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 10 parts, magnesium oxide powder 3 parts and di-sec-octyl phthalate 2 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 25MPa, and the press time is 60min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Embodiment 2
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 150 orders;
(2) get lignocellulose 12 parts respectively by weight, 11 parts, glass fibre, bamboo fibers 7 parts, sunflower pole fiber 3 parts, chitin fiber 4 parts, coupling agent KH-550 be 0.5 part, urea-formaldehyde resin 7 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 60rpm, and churning time is 300min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 5 parts, magnesium oxide powder 6 parts and di-sec-octyl phthalate 1.5 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 20MPa, and the press time is 120min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Embodiment 3
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 400 orders;
(2) get lignocellulose 15 parts respectively by weight, 10 parts, glass fibre, bamboo fibers 4 parts, sunflower pole fiber 4 parts, chitin fiber 7 parts, coupling agent KH-550 be 1.2 parts, urea-formaldehyde resin 4 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 240rpm, and churning time is 30min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 9 parts, magnesium oxide powder 5 parts and di-sec-octyl phthalate 1.6 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 25MPa, and the press time is 60min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Embodiment 4
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 300 orders;
(2) get lignocellulose 20 parts respectively by weight, 7 parts, glass fibre, bamboo fibers 6 parts, sunflower pole fiber 5 parts, chitin fiber 5 parts, coupling agent KH-550 be 0.8 part, urea-formaldehyde resin 6 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 60rpm, and churning time is 300min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 7 parts, magnesium oxide powder 4 parts and di-sec-octyl phthalate 1.9 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 20MPa, and the press time is 120min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Embodiment 5
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 400 orders;
(2) get lignocellulose 17 parts respectively by weight, 9 parts, glass fibre, bamboo fibers 5 parts, sunflower pole fiber 4 parts, chitin fiber 6 parts, coupling agent KH-550 be 1 part, urea-formaldehyde resin 5 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 120rpm, and churning time is 150min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 8 parts, magnesium oxide powder 5 parts and di-sec-octyl phthalate 1.8 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 22MPa, and the press time is 90min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Comparative example 1
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 400 orders;
(2) get lignocellulose 22 parts respectively by weight, 5 parts, glass fibre, bamboo fibers 3 parts, coupling agent KH-550 be 1.5 parts, urea-formaldehyde resin 3 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 240rpm, and churning time is 30min;
(3) in stirred pot, add the alpha-silicon nitride powders after pulverizing 10 parts, magnesium oxide powder 3 parts and di-sec-octyl phthalate 2 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 25MPa, and the press time is 60min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Comparative example 2
(1) get lignocellulose 22 parts respectively by weight, 5 parts, glass fibre, bamboo fibers 3 parts, sunflower pole fiber 5 parts, chitin fiber 8 parts, coupling agent KH-550 be 1.5 parts, urea-formaldehyde resin 3 parts, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 240rpm, and churning time is 30min;
(2) in stirred pot, add di-sec-octyl phthalate 2 parts again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, and pressing pressure is 25MPa, and the press time is 60min, after compression moulding, is cut by material again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
Determine ultimate compression strength and the folding strength of above-mentioned fortifying fibre panel material, the fiberboard intensity of the above embodiments is as follows:
| Ultimate compression strength (MPa) | Folding strength (MPa) | |
| Embodiment 1 | 19.4 | 13.1 |
| Embodiment 2 | 19.3 | 13.5 |
| Embodiment 3 | 22.1 | 15.9 |
| Embodiment 4 | 21.5 | 15.3 |
| Embodiment 5 | 25.4 | 18.9 |
The strength conditions of the fibre board material of comparative example is as follows:
| Ultimate compression strength (MPa) | Folding strength (MPa) | |
| Comparative example 1 | 14.2 | 9.0 |
| Comparative example 2 | 14.9 | 9.3 |
Claims (9)
1. a fortifying fibre panel material for pressure-proof and snap-resistent, is characterized in that, the fortifying fibre panel material of described pressure-proof and snap-resistent comprises the composition of following weight part:
Lignocellulose 12-22 part,
Glass fibre 5-11 part,
Bamboo fibers 3-7 part,
Sunflower pole fiber 3-5 part,
Chitin fiber 4-8 part,
Coupling agent KH-550 0.5-1.5 part,
Urea-formaldehyde resin 3-7 part,
Alpha-silicon nitride powders 5-10 part,
Magnesium oxide powder 3-6 part,
Di-sec-octyl phthalate 1.5-2 part.
2. the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 1, is characterized in that, the fortifying fibre panel material of described pressure-proof and snap-resistent comprises the composition of following weight part:
Lignocellulose 15-20 part,
Glass fibre 7-10 part,
Bamboo fibers 4-6 part,
Sunflower pole fiber 4-5 part,
Chitin fiber 5-7 part,
Coupling agent KH-550 0.8-1.2 part,
Urea-formaldehyde resin 4-6 part,
Alpha-silicon nitride powders 7-9 part,
Magnesium oxide powder 4-5 part,
Di-sec-octyl phthalate 1.6-1.9 part.
3. the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 1, is characterized in that, the fortifying fibre panel material of described pressure-proof and snap-resistent comprises the composition of following weight part:
Lignocellulose 17 parts,
9 parts, glass fibre,
Bamboo fibers 5 parts,
Sunflower pole fiber 4 parts,
Chitin fiber 6 parts,
Coupling agent KH-550 1 part,
Urea-formaldehyde resin 5 parts,
Alpha-silicon nitride powders 8 parts,
Magnesium oxide powder 5 parts,
Di-sec-octyl phthalate 1.8 parts.
4. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 1, is characterized in that, described preparation method comprises the steps:
(1) get alpha-silicon nitride powders and magnesium oxide powder, pulverized with pulverizer respectively by above-mentioned bi-material, the powder order number being crushed to above-mentioned two kinds of compositions is 150 order-400 orders;
(2) get lignocellulose 12-22 part respectively by weight, glass fibre 5-11 part, bamboo fibers 3-7 part, sunflower pole fiber 3-5 part, chitin fiber 4-8 part, coupling agent KH-550 be 0.5-1.5 part, urea-formaldehyde resin 3-7 part, above-mentioned composition is fed in stirred pot, start stirring rake, composition in stirred pot is stirred, mixing speed is 60rpm-240rpm, and churning time is 30min-300min;
(3) in stirred pot, add the alpha-silicon nitride powders 5-10 part after pulverizing, magnesium oxide powder 3-6 part and di-sec-octyl phthalate 1.5-2 part again, then keep rotating speed constant stirring 30min;
(4), after stirring, dropped into by the mixing material of step (3) in forming machine, compacting is carried out shaping, pressing pressure is 20MPa-25MPa, and the press time is 60min-120min, after compression moulding, material is cut again, is prepared as the fortifying fibre panel material of pressure-proof and snap-resistent.
5. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 4, is characterized in that, being crushed to powder order number in step (1) is 300 order-400 orders.
6. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 4, is characterized in that, in step (2), mixing speed is 120rpm.
7. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 4, is characterized in that, in step (2), churning time is 150min.
8. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 4, is characterized in that, in step (4), pressing pressure is 22MPa.
9. the preparation method of the fortifying fibre panel material of a kind of pressure-proof and snap-resistent according to claim 4, is characterized in that, in step (4), the press time is 90min.
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| CN106214023A (en) * | 2016-08-25 | 2016-12-14 | 安徽鼎节能科技有限公司 | The composite fibre slice of intelligence frying pan |
| CN106517888A (en) * | 2016-11-02 | 2017-03-22 | 金福兴 | Decorative board with air purification function and preparation method thereof |
| CN107556767A (en) * | 2017-09-01 | 2018-01-09 | 四川塑塑料制品有限公司 | A kind of high strength fiberboard and its manufacture method |
| CN108044759A (en) * | 2018-02-01 | 2018-05-18 | 温州市腾圣建设有限公司 | Ornamental hard board and preparation method thereof |
| CN109929261A (en) * | 2019-03-15 | 2019-06-25 | 湖南辰砾新材料有限公司 | A kind of fire proofing fibre board based on boron modification Lauxite |
| CN110878617A (en) * | 2019-10-10 | 2020-03-13 | 陈发江 | Silicon-magnesium material modified solid wood fiberboard |
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Application publication date: 20150923 |