CN102516857B - Formaldehyde-free cementing compound for profiled artificial board and preparation method thereof - Google Patents

Formaldehyde-free cementing compound for profiled artificial board and preparation method thereof Download PDF

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Publication number
CN102516857B
CN102516857B CN201110396054.0A CN201110396054A CN102516857B CN 102516857 B CN102516857 B CN 102516857B CN 201110396054 A CN201110396054 A CN 201110396054A CN 102516857 B CN102516857 B CN 102516857B
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formaldehyde
polyvinyl alcohol
profiled
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CN102516857A (en
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杨奠基
石延芳
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DONGYING SHENG-BASED ENVIRONMENTAL ENGINEERING Co Ltd
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DONGYING SHENG-BASED ENVIRONMENTAL ENGINEERING Co Ltd
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Abstract

The invention discloses formaldehyde-free cementing compound for a profiled artificial board and a preparation method thereof. The preparation method comprises the following steps that: a composition A is firstly prepared: appropriate water is added into a reaction kettle with a stirring device, polyvinyl alcohol is slowly added when the water is heated to 30 DEG C, and the temperature is increased to 90 DEG C, so the polyvinyl alcohol is completely dissolved, and the temperature is preserved for one hour; then the raw materials are cooled down to 50 DEG C; synthesized liquid is added, and dispersant, emulsifier, defoaming agent and anticorrosion sterilizing agent are then added and stirred for 10 to 15 minutes; then stuffing is added and is dispersed for 45 to 60 minutes at a high speed, so all raw materials are uniformly mixed, and the mixture is filtered to obtain the composition A; and when in use, the composition A is coated after being uniformly mixed with a composition B according to a stipulated weight part. The production technique is simple, the adhesion strength can be improved, the elasticity property can be guaranteed, the product quality can be improved, no toxic substance such as formaldehyde, benzene, methylbenzene, dimethylbenzene and the like is contained, and no toxicity, no harm and environmental friendliness can be completely realized.

Description

A kind of formaldehyde-free cementing compound for profiled artificial board and preparation method thereof
Technical field
The present invention relates to technical field of fine, particularly relate to a kind of formaldehyde-free cementing compound for profiled artificial board and preparation method thereof.
Background technology
At present, the special-shaped wood-based plate of furniture not only will have the various performances of common wood-based plate, good resilience to be had after the more important thing is parts pressure-bearing, the shape designed can be kept to greatest extent, therefore in process, except different cultivars and different purposes will have different production technologies, the adhesive of use is the principal element determining the final performance of product.But find no relevant patent and bibliographical information so far.
For the Performance Detection of special-shaped wood-based plate, there is no relevant criterion at present, in industry, often use some easy methods of inspection.Such as the bed surface chop bar of 600mm × 50mm × 7mm, only lateral twisting 45 ° and any abnormal sound can not be had and by 50Kg weight at mid point static pressure 2h, resilience 30min after release, camber must reach more than 55% these two indexs before non-pressure-bearing, makes existing normal plywood stick with glue agent not competent because of the deficiency of bonding strength and rebound performance.Occasionally to have and can scrape, also can cause up to 10-17% substandard products, greatly have impact on the quality of product, too increase manufacturing cost.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, one is provided to improve bonding strength, and ensure rebound performance, improve the quality of products, and not containing the noxious material such as formaldehyde, benzene,toluene,xylene, formaldehyde-free cementing compound for profiled artificial board that is nontoxic, environmental protection can be realized.
Another technical problem to be solved by this invention is the preparation method that the deficiency existed for prior art provides a kind of formaldehyde-free cementing compound for profiled artificial board.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of formaldehyde-free cementing compound for profiled artificial board,
This adhesive is made up of A, B two components, and wherein, component A is mixed by each component of following weight portion:
B component is isocyanates, wherein, and component A: B component=100 part: 8-20 part.
Described polyvinyl alcohol can select one or more the mixture in PVA1788, PVA1799, PVA2088, PVA2099, PVA2288, PVA2299, PVA2488, PVA2499.
Described synthetic emulsion is one or more the mixture in polyvinyl acetate emulsion, polyvinyl acetate-vac emulsion, polyvinyl acetate-acrylic emulsion, acrylic emulsion.
Described filler is one or more the mixture in precipitated calcium carbonate, powdered whiting, talcum powder, titanium dioxide, bentonite.
Described dispersant is one or more the mixture in sodium phosphate trimer, calgon, fatty acid polyethylene glycol ester, anionic polycarboxylates class, anion pp Barbiturates etc.
Described emulsifying agent is lauryl sodium sulfate, neopelex, fatty acid mono glycidol, sucrose ester, sorbose alcohol ester, soybean lecithin, lauric monoglyceride, methyl glycol fatty acid ester, OPEO OP series, pungent No. 10 of phosphorus, two, tributyl phenol APEO, No. 11, APES polyethenoxy ether emulsifying agent, No. 12, phenethyl phenol polyoxyethylene polyoxypropylene ether emulsifying agent, Ben-zylphenol Polyoxyethyl Ether, one or more mixture in ethoxylated dodecyl alcohol etc.
Described defoamer is one or more the mixture in silica-based, nonionic paraffin class, nonionic comprehensive silicon ketone, mineral oils, octanol etc.
Described anticorrosion and bactericidal agent is benzoate, sorbic acid salt, parabens, isothiazolinone.
Described isocyanates can be the one in toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, polyphenyl polymethylene polyisocyanates, trans-1-isocyanato-4-methyl cyclohexane, phenethyl isocyanates, isopropyl isocyanate, chloroethyl isocyanate, benzyl isocyanate ester, cyclopenta isocyanates.
The method preparing above-mentioned adhesive is:
Preparation component A: add appropriate water in the reactor that agitating device is housed, start when being heated to 30 DEG C slowly to add polyvinyl alcohol, be warmed up to more than 90 DEG C and make it dissolve completely, insulation 1h; Then above-mentioned raw materials is cooled to 50 DEG C; Add synthetic emulsion, then add dispersant, emulsifying agent, defoamer and anticorrosion and bactericidal agent and be uniformly mixed 10-15min; Add filler again, high speed dispersion 45-60min, each raw material mixed, filter discharging component A;
Finally in use component A is mixed rear gluing by predetermined weight part with B component to use.
The beneficial effect that the present invention obtains is: the present invention adopts above-mentioned raw materials to prepare, be applied to the bonding of special-shaped wood-based plate, properties of product of the present invention can not only meet the requirements of common wood-based plate, and reversing the rate of being up to the standards can reach more than 99%, decrease percent defective, improve product quality; Sheet material by 50Kg weight at mid point static pressure 2h, resilience 30min after release, camber can reach more than 70% before non-pressure-bearing, thus can improve bonding strength, and ensures rebound performance; And not containing the noxious material such as formaldehyde, benzene,toluene,xylene, the wood-based plate applying this production can be completely achieved nontoxic, environmental protection.
Detailed description of the invention
Embodiment one:
A kind of formaldehyde-free cementing compound for profiled artificial board, comprise component A and B component, component A is mixed by each component of following weight portion:
B component is isocyanates; Wherein, component A: B component=100 part: 8-20 part.
Wherein, described polyvinyl alcohol can select one or more the mixture in PVA1788, PVA1799, PVA2088, PVA2099, PVA2288, PVA2299, PVA2488, PVA2499.One or both mixture in polyvinyl alcohol preferred PVA1788, PVA2088, PVA2488;
The preferred powdered whiting of filler;
Emulsifying agent preferably sodium dodecyl sulfate, neopelex, OPEO OP series;
The preferred nonionic silicone of defoamer and mineral oils;
The preferred sorbic acid salt of anticorrosion and bactericidal agent and isothiazolinone;
The preferred polyphenyl polymethylene polyisocyanates of isocyanates.
Be applied to concrete component, result of implementation is as follows:
Be that 2t is equipped with in the reactor of agitating device at volume, add water 666kg, after being heated to 40 DEG C, limit heating edge slowly adds polyvinyl alcohol 90kg, is warmed up to after more than 90 DEG C polyvinyl alcohol all dissolve and stops heating, insulation 1h; Be cooled to 50 DEG C; Add polyvinyl acetate-vac emulsion 600kg, add the sodium tripolyphosphate solution 20kg of 20%, add the OP-10 solution 20kg of 10%, add nonionic mineral oil defoaming agent 2kg, add Kathon CG 2kg, be uniformly mixed 10-15min; Add powdered whiting 600kg, high speed dispersion 45-60min, each raw material is mixed, filter discharging.
The glue quality index of gained is as follows:
Outward appearance: milky homogeneous glue
Viscosity (25 DEG C): 9000mpa.S
Solid content: 52%
PH value: 7 ± 1
During use by this glue and polyphenyl polymethylene polyisocyanates in 10: 1.5 ratio mix, glue-spread 130-160g/m 2.
Embodiment two:
A kind of formaldehyde-free cementing compound for profiled artificial board, comprise component A and B component, component A is mixed by each component of following weight portion:
B component is isocyanates; Wherein, component A: B component=100 part: 8-20 part.
Be applied to concrete component, result of implementation is as follows:
Be that 2t is equipped with in the reactor of agitating device at volume, add water 585kg, after being heated to 40 DEG C, limit heating edge slowly adds polyvinyl alcohol 110kg, is warmed up to after more than 90 DEG C polyvinyl alcohol all dissolve and stops heating, insulation 1h; Be cooled to 50 DEG C; Add polyvinyl acetate-vac emulsion 400kg, acrylic emulsion 400kg, add the sodium hexametaphosphate solution 20kg of 20%, add the OP-10 solution 20kg of 10%, add nonionic mineral oil defoaming agent 2kg, add potassium sorbate 2kg, be uniformly mixed 10-15mi n; Add powdered whiting 500kg, high speed dispersion 45-60min, each raw material is mixed, filter discharging.
The glue quality index of gained is as follows:
Outward appearance: milky homogeneous glue
Viscosity (25 DEG C): 11000mpa.S
Solid content: 52%
PH value: 7 ± 1
During use by this glue and polyphenyl polymethylene polyisocyanates in 10: 1.5 ratio mix, glue-spread 130-160g/m 2.
The present invention is used for the bonding of special-shaped wood-based plate, and end properties can not only meet the requirements of common wood-based plate, and reversing the rate of being up to the standards can reach more than 99%, reduces percent defective, improves product quality; Sheet material by 50Kg weight at mid point static pressure 2h, resilience 30min after release, camber can reach more than 70% before non-pressure-bearing, thus can improve bonding strength, and ensures rebound performance; And absolutely not containing the noxious material such as formaldehyde, benzene,toluene,xylene, use the wood-based plate of this production to can be completely achieved nontoxic, environmental protection.
Applying this adhesive can make the defect rate of special-shaped artificial liner enterprise be reduced to less than 1% by 7%-10%, and produce 2,000,000 calculating of bed surface chop bar by a medium enterprise, defect rate reduces by 6%, can produce substandard products 120,000 less, increases profit 1,000,000 yuan.
Certainly, the present invention is not limited to above-mentioned detailed description of the invention, and in a word, those skilled in the art is from above-mentioned enlightenment, and other replacement form expected all belongs within protection scope of the present invention.

Claims (2)

1. the preparation method of a formaldehyde-free cementing compound for profiled artificial board, it is characterized in that, be that 2t is equipped with in the reactor of agitating device at volume, add water 666kg, after being heated to 40 DEG C, limit heating edge slowly adds polyvinyl alcohol 90kg, is warmed up to after more than 90 DEG C polyvinyl alcohol all dissolve and stops heating, insulation 1h; Be cooled to 50 DEG C; Add polyvinyl acetate-vac emulsion 600kg, add the sodium tripolyphosphate solution 20kg of 20%, add the OP-10 solution 20kg of 10%, add nonionic mineral oil defoaming agent 2kg, add Kathon CG 2kg, be uniformly mixed 10-15min; Add powdered whiting 600kg, high speed dispersion 45-60min, each raw material is mixed, filter discharging;
The glue quality index of gained is as follows:
Outward appearance: milky homogeneous glue
During viscosity 25 DEG C: 9000mPas
Solid content: 52%
PH value: 7 ± 1
During use by this glue and polyphenyl polymethylene polyisocyanates in 10: 1.5 ratio mix, glue-spread 130-160g/m 2.
2. the preparation method of a kind of formaldehyde-free cementing compound for profiled artificial board according to claim 1, is characterized in that: described polyvinyl alcohol can select one or more the mixture in PVA1788, PVA1799, PVA2088, PVA2099, PVA2288, PVA2299, PVA2488, PVA2499.
CN201110396054.0A 2011-11-25 2011-11-25 Formaldehyde-free cementing compound for profiled artificial board and preparation method thereof Active CN102516857B (en)

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102925081A (en) * 2012-11-12 2013-02-13 抚顺哥俩好化学有限公司 High-strength double-component laminating glue, and preparation method thereof
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
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
CN105385389B (en) * 2015-12-02 2018-04-10 三棵树涂料股份有限公司 A kind of super water-fast two-component splicing adhesive of environmental protection and preparation method thereof
CN105670535A (en) * 2016-04-25 2016-06-15 韩志龙 Preparation method and application method of formaldehyde-free and environment-friendly type water-tolerant and high-strength adhesives
CN106867427B (en) * 2017-03-30 2018-07-13 北京市创新玮地科贸有限公司 A kind of integrated material wood-splicing adhesive and preparation method
CN107057608A (en) * 2017-04-27 2017-08-18 龚彩萍 A kind of white glue with vinyl binder and preparation method thereof
CN109749685A (en) * 2017-11-08 2019-05-14 丹阳市易通安全技术服务有限公司 A kind of glued board adhesive composition and its preparation process
CN107793960A (en) * 2017-11-21 2018-03-13 安徽省伟业净化设备有限公司 A kind of preparation method of safe disinfection plate antibacterial binding agent
CN108913064A (en) * 2018-06-27 2018-11-30 杨奠基 A kind of no-formaldehyde adhesive based on acrylates
CN109109109A (en) * 2018-08-01 2019-01-01 福州市晋安区绿奇鑫环保科技有限公司 A kind of method that wood-based plate removes formaldehyde
CN110079268A (en) * 2019-03-26 2019-08-02 南京林业大学 A kind of soybean protein base water soluble polymer isocyanates gluing agent and preparation method thereof

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CN1560165A (en) * 2004-02-17 2005-01-05 南京林业大学 Aldehyde-free adhesives for artificial board
CN101314699A (en) * 2008-07-16 2008-12-03 江苏黑松林粘合剂厂有限公司 Water-based adhesion agent and preparation thereof
CN102086367A (en) * 2010-09-29 2011-06-08 永港伟方(北京)科技股份有限公司 Plate alignment adhesive for surface plate lamination of engineered wood flooring and preparation method thereof

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JP2011074391A (en) * 2010-11-17 2011-04-14 Nitto Denko Corp Adhesive tape and method for producing the same

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1560165A (en) * 2004-02-17 2005-01-05 南京林业大学 Aldehyde-free adhesives for artificial board
CN101314699A (en) * 2008-07-16 2008-12-03 江苏黑松林粘合剂厂有限公司 Water-based adhesion agent and preparation thereof
CN102086367A (en) * 2010-09-29 2011-06-08 永港伟方(北京)科技股份有限公司 Plate alignment adhesive for surface plate lamination of engineered wood flooring and preparation method thereof

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