CN103865404B - Low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive and preparation method thereof - Google Patents
Low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive and preparation method thereof Download PDFInfo
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- CN103865404B CN103865404B CN201410114444.8A CN201410114444A CN103865404B CN 103865404 B CN103865404 B CN 103865404B CN 201410114444 A CN201410114444 A CN 201410114444A CN 103865404 B CN103865404 B CN 103865404B
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Abstract
The invention discloses a low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive and a preparation method thereof. The low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive comprises the following components in parts by weight: 30-50 parts of magnesium oxide, 20-40 parts of magnesium chloride, 30-60 parts of water, 3-8 parts of polyvinyl alcohol, 1-5 parts of trisodium phosphate, 2-7 parts of water glass, 0.08-0.1 part of tartaric acid, 0.5-3 parts of sulfonic acid, 0.05-0.3 part of octylphenol polyvinyl ether and 0.01-0.2 part of sodium carboxymethyl cellulose. The low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive prepared through the method is noninflammable and achieves outstanding flame-retardant smoke-suppressing property on an artificial board. The fire-proof grade of the prepared artificial board achieves A2 grade through testing; the price of the prepared artificial board only accounts for 5% of the price of an isocyanate adhesive and accounts for 50% of the price of an urea-formaldehyde resin adhesive; the internal bonding strength of the produced artificial board achieves 1.05 MPa, the static bending intensity achieves 16.5 MPa, and the 24-hour water absorption thickness expansion ratio is only 1.1%. The low-cost high-strength flame-retardant smoke-suppressing artificial board inorganic adhesive disclosed by the invention can not release any harmful gas and achieves outstanding environmental-friendly property.
Description
Technical field
The present invention relates to Artificial Plate Adhesive field, specifically inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate and preparation method thereof.
Background technology
China is timber resource shortage, utilizes the alternative timber of the wood-based plate of fast growing wood, brush wood and crop straws for producing to be applied in the field such as Furniture manufacture, indoor and outdoor decoration, and the development of wood-based plate industry is significant to protection China's Forest Resources.The sizing agent that wood-base fibre and particle panel material adopts in producing is generally urea-formaldehyde resin adhesive, and production and use procedure can discharge free formaldehyde, bring great harm to the health of people.Artificial board of straw adopts the agent of isocyanic ester gluing usually, and because the agent of isocyanic ester gluing is expensive, manufacture farm crop wood-based plate cost high, the development of farm crop wood-based plate is restricted.And wood-based plate prepared by above-mentioned two kinds of sizing agents is fire-retardant, smoke suppressing is poor, limits the Application Areas of wood-based plate.Therefore, invention one can be used for wood-base fibre and particle panel material and produce, and also can be used for artificial board of straw and produce and low-cost environment protection type flame-retarding type sizing agent, have Great significance to the development of China's wood-based plate industry.
Summary of the invention
The object of the present invention is to provide inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate and preparation method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate, according to the component of weight part is: magnesium oxide 30-50 part, magnesium chloride 20-40 part, water 30-60 part, polyvinyl alcohol 3-8 part, tertiary sodium phosphate 1-5 part, water glass 2-7 part, tartrate 0.08-0.1 part, sulfonic acid 0.5-3 part, octylphenol polyethylene Vinyl Ether 0.05-0.3 part, Xylo-Mucine 0.01-0.2 part.
As the further scheme of the present invention: according to the component of weight part be: magnesium oxide 38-42 part, magnesium chloride 28-32 part, water 40-50 part, polyvinyl alcohol 5-6 part, tertiary sodium phosphate 2-4 part, water glass 4-5 part, tartrate 0.09-0.1 part, sulfonic acid 1-2 part, octylphenol polyethylene Vinyl Ether 0.1-0.2 part, Xylo-Mucine 0.1-0.15 part.
The preparation method of the inorganic sizing agent of described high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) be dissolved in water by magnesium chloride and prepare magnesium chloride brine, heating magnesium chloride brine adds polyvinyl alcohol again after 50-70 DEG C, continuing to be heated to 120-180 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) stir after magnesium oxide being mixed with water, then substep adds water glass and tertiary sodium phosphate wherein, continue to stir, obtained thick white mixture;
(3) thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:0.8-1.2; Then add tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine successively according to the timed interval of 10-60 second, and limit adds above-mentioned raw materials limit stirs, obtain the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate.
As the further scheme of the present invention: add polyvinyl alcohol after heating magnesium chloride brine to 60 DEG C in step (1), continue to be heated to 150 DEG C.
As the further scheme of the present invention: in step (3), thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:1.
As the further scheme of the present invention: the timed interval that described in step (3), tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine add successively is 30 seconds.
Compared with prior art, the invention has the beneficial effects as follows:
1) raw material of the sizing agent of preparation of the present invention belongs to environment friendly inorganic material substantially, and spontaneous have not combustionproperty, and the inorganic sizing agent of preparation does not fire and has remarkable flame retarding and smoke suppressing properties to wood-based plate, and the wood-based plate of preparation after tested fire-protection rating reaches A2 level;
2) sizing agent preparation technology provided by the invention is simple, and be highly susceptible to suitability for industrialized production, cost is low, and price is only 5% of isocyanic ester gluing agent price, is 50% of urea-formaldehyde resin adhesive price;
3) sizing agent that prepared by the present invention has excellent adhesiveproperties to agricultural crop straw and timber, can be used for the production of high-strength farm crop wood-based plate, also produces for wood-base fibre and particle panel material; The wood-based plate internal bond strength produced reaches 1.05MPa, and MOR reaches 16.5MPa, and 24h thickness swelling rate is only 1.1%;
4) the farm crop wood-based plate of the inorganic sizing agent self prepared of the present invention and preparation can not discharge any obnoxious flavour, has outstanding environmental-protecting performance.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate, according to the component of weight part is: 30 parts, magnesium oxide, 20 parts, magnesium chloride, 30 parts, water, polyvinyl alcohol 3 parts, tertiary sodium phosphate 1 part, water glass 2 parts, 0.08 part, tartrate, sulfonic acid 0.5 part, octylphenol polyethylene Vinyl Ether 0.05 part, Xylo-Mucine 0.01 part.
The preparation method of the inorganic sizing agent of described high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) magnesium chloride is dissolved in water prepares magnesium chloride brine, add polyvinyl alcohol after heating magnesium chloride brine to 50 DEG C, continuing to be heated to 120 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) stir after magnesium oxide being mixed with water, then substep adds water glass and tertiary sodium phosphate wherein, continue to stir, obtained thick white mixture;
(3) thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:0.8; Then add tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine successively according to the timed interval of 10 seconds, and limit adds the stirring of above-mentioned raw materials limit, obtains the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate.
Embodiment 2
The inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate, according to the component of weight part is: 40 parts, magnesium oxide, 30 parts, magnesium chloride, 45 parts, water, polyvinyl alcohol 5.5 parts, tertiary sodium phosphate 3 parts, water glass 4.5 parts, 0.09 part, tartrate, sulfonic acid 1.5 parts, octylphenol polyethylene Vinyl Ether 0.15 part, Xylo-Mucine 0.15 part.
The preparation method of the inorganic sizing agent of described high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) magnesium chloride is dissolved in water prepares magnesium chloride brine, add polyvinyl alcohol after heating magnesium chloride brine to 60 DEG C, continuing to be heated to 150 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) stir after magnesium oxide being mixed with water, then substep adds water glass and tertiary sodium phosphate wherein, continue to stir, obtained thick white mixture;
(3) thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:1; Then add tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine successively according to the timed interval of 30 seconds, and limit adds the stirring of above-mentioned raw materials limit, obtains the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate.
Embodiment 3
The inorganic sizing agent of a kind of high strength and low cost flame-retardant smoke inhibition wood-based plate, according to the component of weight part is: 50 parts, magnesium oxide, 40 parts, magnesium chloride, 60 parts, water, polyvinyl alcohol 8 parts, tertiary sodium phosphate 5 parts, water glass 7 parts, 0.1 part, tartrate, sulfonic acid 3 parts, octylphenol polyethylene Vinyl Ether 0.3 part, Xylo-Mucine 0.2 part.
The preparation method of the inorganic sizing agent of described high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) magnesium chloride is dissolved in water prepares magnesium chloride brine, add polyvinyl alcohol after heating magnesium chloride brine to 70 DEG C, continuing to be heated to 180 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) stir after magnesium oxide being mixed with water, then substep adds water glass and tertiary sodium phosphate wherein, continue to stir, obtained thick white mixture;
(3) thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:1.2; Then add tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine successively according to the timed interval of 60 seconds, and limit adds the stirring of above-mentioned raw materials limit, obtains the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate.
Embodiment 4
A preparation method for the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) magnesium chloride of 20 weight parts is joined in the tap water of 10 weight parts and dissolve obtained magnesium chloride brine, the polyvinyl alcohol of 8 weight parts is added after heating magnesium chloride brine to 60 DEG C, continuing to be heated to 150 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) homogenizer of making a gift to someone after being mixed with the tap water of 20 weight parts by the magnesium oxide of 30 weight parts stirs 4min, then adds the water glass of 2 weight parts and the tertiary sodium phosphate of 1 weight part in order wherein, continues to stir 2min, obtained thick white mixture;
(3) send into homogenizer after being mixed according to the weight ratio of 1:1 by thick white mixture obtained to clear solution obtained for step (1) and step (2) and stir 3min, then the Xylo-Mucine of 0.08 weight part tartrate, 0.5 weight part sulfonic acid, 0.05 weight part octylphenol polyethylene Vinyl Ether, 0.01 weight part is added successively, often kind of raw material joining day interval 30s, stir while add above-mentioned raw materials limit, obtain the inorganic sizing agent of low-cost high-strength flame-retardant smoke inhibition wood-based plate.
Embodiment 5
A preparation method for the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate, concrete steps are:
(1) magnesium chloride of 40 weight parts is joined in the tap water of 20 weight parts and dissolve obtained magnesium chloride brine, the polyvinyl alcohol of 3 weight parts is added after heating magnesium chloride brine to 60 DEG C, continuing to be heated to 150 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) homogenizer of making a gift to someone after being mixed with the tap water of 40 weight parts by the magnesium oxide of 50 weight parts stirs 4min, then adds the water glass of 7 weight parts and the tertiary sodium phosphate of 5 weight parts wherein successively, continues to stir 2min, obtained thick white mixture;
(3) send into homogenizer after being mixed according to the weight ratio of 1:1 by thick white mixture obtained to clear solution obtained for step (1) and step (2) and stir 3min, then 0.1 weight part tartrate, 3 weight part sulfonic acid, 0.3 weight part octylphenol polyethylene Vinyl Ether, 0.2 weight part Xylo-Mucine is added successively, often kind of raw material joining day interval 30s, stir while add above-mentioned raw materials limit, obtain the inorganic sizing agent of low-cost high-strength flame-retardant smoke inhibition wood-based plate.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate, it is characterized in that, according to the component of weight part be: magnesium oxide 30-50 part, magnesium chloride 20-40 part, water 30-60 part, polyvinyl alcohol 3-8 part, tertiary sodium phosphate 1-5 part, water glass 2-7 part, tartrate 0.08-0.1 part, sulfonic acid 0.5-3 part, octylphenol polyethylene Vinyl Ether 0.05-0.3 part, Xylo-Mucine 0.01-0.2 part.
2. the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate according to claim 1, it is characterized in that, according to the component of weight part be: magnesium oxide 38-42 part, magnesium chloride 28-32 part, water 40-50 part, polyvinyl alcohol 5-6 part, tertiary sodium phosphate 2-4 part, water glass 4-5 part, tartrate 0.09-0.1 part, sulfonic acid 1-2 part, octylphenol polyethylene Vinyl Ether 0.1-0.2 part, Xylo-Mucine 0.1-0.15 part.
3. a preparation method for the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate as described in as arbitrary in claim 1-2, concrete steps are:
(1) be dissolved in water by magnesium chloride and prepare magnesium chloride brine, heating magnesium chloride brine adds polyvinyl alcohol after 50-70 DEG C, continuing to be heated to 120-180 DEG C, then making clear solution by being water-cooled to normal temperature;
(2) stir after magnesium oxide being mixed with water, then substep adds water glass and tertiary sodium phosphate wherein, continue to stir, obtained thick white mixture;
(3) thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:0.8-1.2; Then add tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine successively according to the timed interval of 10-60 second, and limit adds above-mentioned raw materials limit stirs, obtain the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate.
4. the preparation method of the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate according to claim 3, is characterized in that, adds polyvinyl alcohol in step (1), continue to be heated to 150 DEG C after heating magnesium chloride brine to 60 DEG C.
5. the preparation method of the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate according to claim 3, it is characterized in that, in step (3), thick white mixture obtained with step (2) for clear solution obtained for step (1) is mixed according to the weight ratio of 1:1.
6. the preparation method of the inorganic sizing agent of high strength and low cost flame-retardant smoke inhibition wood-based plate according to claim 3, it is characterized in that, the timed interval that described in step (3), tartrate, sulfonic acid, octylphenol polyethylene Vinyl Ether, Xylo-Mucine add successively is 30 seconds.
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Cited By (1)
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| CN105345911B (en) * | 2015-09-30 | 2018-02-27 | 信阳美丽真好秸秆新材科技有限公司 | Fire-retardant stalk-shaving board and its manufacture method |
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Inventor after: Li Xingong Inventor after: Duan Jiabao Inventor after: Zheng Xia Inventor after: Wu Yiqiang Inventor after: Zhong Wenquan Inventor after: Fu Bin Inventor before: Li Xingong Inventor before: Zheng Xia Inventor before: Wu Yiqiang Inventor before: Zhong Wenquan Inventor before: Fu Bin |
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Effective date of registration: 20171121 Address after: Lu Miao village the Yanghe River town Pingqiao District Xinyang city Henan province 464000 Hengshun Paper No. 1 Patentee after: Henan Hengshun plant fiber board Co. Ltd. Address before: 410000 Shaoshan South Road, Hunan, No. 498, No. Patentee before: Central South University of Forestry and Technology |
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