CN101362349A - Antibiotic and mildew resistant functional block board, preparation method thereof and antibiotic mildew resistant adhesive - Google Patents
Antibiotic and mildew resistant functional block board, preparation method thereof and antibiotic mildew resistant adhesive Download PDFInfo
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- CN101362349A CN101362349A CNA2008102223761A CN200810222376A CN101362349A CN 101362349 A CN101362349 A CN 101362349A CN A2008102223761 A CNA2008102223761 A CN A2008102223761A CN 200810222376 A CN200810222376 A CN 200810222376A CN 101362349 A CN101362349 A CN 101362349A
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Abstract
The invention relates to a block board with antibacterial and anti-mildew functions, and a preparation method thereof, which belongs to the building material field. The invention aims at providing a block board which can kill and control the exterior bacteria and prevent the exterior mildew from growing, and the preparation method thereof, inorganic antibacterial material and organic anti-mildew material are added in the adhesive stuck on the surface layer of the block board, the adhesive of the antibacterial and anti-mildew materials is coated on the thick veneer of the block board, then the wood veneer on the outmost surface layer is painted, cold-pressing treatment and hot-pressing treatment are performed in sequence, and the antibacterial and anti-mildew materials seep into the surface layer and play a role. The block board with the antibacterial and anti-mildew functions can realize the purpose that the inhibiting rate of the representative bacteria is larger than or equal to 90 percent within 24 hours, such as staphylococcus aureus, escherichia coli, and the like; the mould growth grade of six fungi is zero grade or one grade within 28 days, such as aspergillus niger, aspergillus flavus, and the like, and the block board has good and long-lasting antibacterial and anti-mildew functions.
Description
Technical field
The present invention relates to architectural decoration core-board material.This material also has antibacterial and antimildew function except having the sheet material function of use, meeting the National Environmental quality requirement.
Background technology
The indoor environment biological pollution is one of main aspect of puzzlement human lives.In social industrialization high speed development, environment for human survival further worsens, harmful microorganism serious harm human healths such as bacterium, mould, virus.In order to reduce the particularly germ contamination problem in some special high-risk places of human residential environment, people are many from many aspects, and means are done a lot of work.From ancient times natural antibacterial material the development that is applied to 17th century organic anti-bacterial material to the development of nearly decades of inorganic antibacterial material, material circle is not interrupted the research and development of anti-biotic material.Along with various inorganic, organic and succeeding in developing of composite bactericidal material in the material field make many fields that the exploitation of antibacterial product all be arranged, multiple antimicrobial products such as antibiotic paint, anti-bacteria ceramic, antibiotic plastic pipes, antibacterial floor have appearred in the building materials aspect.
In the wooden boards field, along with science and technology development, common artificial decorative panel production technology and technical maturity improve constantly, artificial decoration panel products market has occupied the main flow that timber industry is produced, but the emphasis of artificial decoration plate production technology and production development gradually changes, technology trends mainly is reorganizationization, compoundization, functionalization The Application of Technology, and the trend of production development is to break through traditional wood-based plate scope and develop into the wood base composite material that has more broad sense.The function wood-based plate belongs to the functional composite material in the new material technology, and it directly emphasizes the purposes of product, as the specific function that heat, electricity, light, magnetic, sound, mushroom etc. are shown.Domestic part artificial board enterprise has been carried out the research and development of antibacterial and mouldproof sheet material, the enterprise that releases antibiotic timber floor the earliest is that the Sichuan liter reaches forest products limited company, resemble as the sage afterwards, grand well-known floor such as anti-enterprise also releases antibiotic serial timber floor, comprise consolidated floor, solid wooden floor board, solid wooden compound floor, kinds such as bamboo floor, also have some artificial board enterprises to release antibacterial and mouldproof decorative cover wood-based plate, products such as particieboard, the fado of doing that these products increase antibacterial and antimildew functions is to add the antibacterial and mouldproof material in the sheet material decorative paint of top layer or in the surface layer abrasion-proof paster, mainly is to select the adding method that adopts according to the manufacture method of various sheet materials.
Core-board is a kind of glued board with solid wood plate core, as the main sheet material in the interior decoration, emphasize that always its adhesive adopts low formaldehyde or formaldehydeless material, because the core-board majority processing of also will painting again in actual use on the surface, therefore there is businessman in coating, to increase the antibacterial and antimildew function component, research and development of antibacterial and antimildew function woodwork coating or release all arranged as famous brand woodwork coatings such as ippon, how happy scholar, Garbo jasmine, China Resources.But along with the renewal of fitting-up idea, core-board need directly be used (as the liner of cabinet), not brushing of core-board top layer other materials in some finishing positions in practice at present; And to those in use be coated be brushed with antibacterial and antimildew function coating core-board in use also regular meeting coating stripping damage phenomenon appears, make it no longer have the antibacterial and mouldproof effect.This just needs core-board itself to have antibacterial and antimildew function; On the other hand, core-board particularly is will note the antibiotic of surface and avoid fungus growth at southern damp-heat area in south in storage and transportation process; Thereby, if can carry out the antibacterial and mouldproof processing to core-board itself and have actual application value.
Summary of the invention
Purpose of the present invention provides a kind of antibacterial and antimildew function core-board, makes core-board itself increase antibacterial and antimildew function, has to kill in directly using as building and ornament materials to press down bacterium and prevent to grow the mould effect.
To achieve these goals, the present invention is by the following technical solutions:
In the adhesive of core-board top layer bonding, add inorganic antibacterial material and organic anti-fungus material, this adhesive that adds the antibacterial and mouldproof material of brushing on the thick veneer of core-board, paste top layer wood skin then, the hot repressing of colding pressing is earlier handled, and makes the antibacterial and mouldproof material be penetrated into the top layer and plays a role and form the core-board of antibacterial and antimildew function of the present invention.
In the present invention, the antibacterial and antimildew function adhesive is made up of following batching substantially: water based emulsion material 45～55 weight %, inorganic antibacterial powder 2～3 weight %, organic mould inhibitor 0.5～1 weight %, flours packing material 30～43 weight %, curing agent 8～20 weight %.
Described water based emulsion material be in water-based isocyanate (API), aqueous polyurethane, the vinyl acetate resin copolymer emulsion (VAE) any.
Described inorganic antibacterial material is that zeolite carries in silver-colored type anti-biotic material, the agent of rare earth activated inorganic photocatalysis antibacterial and the copper-loaded anti-biotic material of hydroxyapatite any, and average grain diameter is the 1-5 micron; Wherein be preferably the agent of rare earth activated inorganic photocatalysis antibacterial.
Described organic anti-fungus material be in the compound mould inhibitor of industrial fungicide, organic-inorganic formed of heterocyclic compound and the zinc pyridine antibacterial mildew inhibitor difficult to understand any, wherein be preferably the industrial fungicide that heterocyclic compound is formed.
Described flours packing material is at least a in cornstarch, potato starch, the wheat flour.Described curing agent is any in acetate alkene fat, organotin, polyvinyl alcohol, the vinyl emulsion.
Another purpose of the present invention is to provide the preparation method of this antibacterial and antimildew function core-board.
For achieving the above object, the present invention also provides a kind of preparation method of antibacterial and mouldproof core-board, the steps include: inorganic antibacterial powder, the organic mould inhibitor of 0.5～1 weight %, the flour packing material of 30～43 weight % with 2～3 weight %, 8～20% curing agent, add to successively in 45～55 weight % water based emulsion materials, the limit edged stirs, mixing speed 200～400rad/min, form the antibacterial and antimildew function adhesive after stirring 10～20min, with this adhesive according to 500～800g/m
2The brushing amount be applied on the thick thick china that makes, stick top layer wood skin, the 40～60min that colds pressing, hot repressing 2-6min, hot pressing temperature is 90～110 ℃, forms the core-board of antibacterial and antimildew function.
Obviously, the antibacterial and antimildew function adhesive that uses in the core-board of preparation antibacterial and antimildew function also is one of claimed summary of the invention of the present invention.
Adopt above technical scheme, antibacterial and antimildew function core-board of the present invention can be realized the representative bacterial classification staphylococcus aureus of bacterium and 24 hours bacteriostasis rate 〉=90% of Escherichia coli, to aspergillus niger, aspergillus flavus, 28 days mildew grades of six kinds of moulds is 0 grade or 1 grade, have the excellent antibiotic antimildew function, the antibacterial and mouldproof effect is suitable with the core-board of having brushed the antibacterial and mouldproof coating; The antibiotic durability test method of (JC/T3950-2007) stipulating in the standard with reference to " antibiotic paint " experimentizes, core-board antibacterial and mouldproof endurance quality of the present invention is also fine, and the antibacterial and mouldproof effect of some sample surpasses the similar products of brushing antibacterial and mouldproof coating.On the other hand, the present invention prepares the method for core-board and controls clearly, is easy to industrialization.
The specific embodiment
The core-board of antibacterial and antimildew function of the present invention, be in the adhesive of core-board top layer bonding, to add inorganic antibacterial material and organic anti-fungus material, this adhesive that adds the antibacterial and mouldproof material of brushing on the thick veneer of core-board, paste top layer wood skin then, the hot repressing of colding pressing is earlier handled, and makes the antibacterial and mouldproof material be penetrated into the top layer and plays a role and form.
Therefore, the antibacterial and antimildew function adhesive is one of key in the present invention.This adhesive with antibacterial and antimildew function is made up of following batching substantially: water based emulsion material 45～55 weight %, inorganic antibacterial powder 2～3 weight %, organic mould inhibitor 0.5～1 weight %, flours packing material 30～43 weight %, curing agent 8～20 weight %.Wherein:
The water based emulsion material: in water-based isocyanate (API), aqueous polyurethane and the vinyl acetate resin copolymer emulsion (VAE) any, it is the key component that plays adhesive action in the adhesive, be glue host, performances such as the cementability of decision adhesive, resistance to ag(e)ing, hear resistance.
Inorganic antibacterial material: be selected from zeolite and carry in the silver-colored type anti-biotic material (producing the PAg-40 model), rare earth activated inorganic photocatalysis antibacterial agent (producing I type antiseptic), the copper-loaded anti-biotic material of hydroxyapatite (the SR-T-102 model of selling as Beijing Ai Sier Science and Technology Ltd.) any one or more combination (portfolio ratio is unrestricted) as China Building Material Scientific Research General Institute as Xi'an Convrl Rntibiotic Science ﹠ Technique Co., Ltd., itself and latex material and curing agent do not react, and average grain diameter is the 1-5 micron; Wherein be preferably the agent of rare earth activated inorganic photocatalysis antibacterial.Inorganic antibacterial material is the function ingredients in the adhesive.
Organic anti-fungus material: be selected from industrial fungicide (as the BHD-355 type mould inhibitor of Dongguan wound connection specialization trade Co., Ltd) that heterocyclic compound forms, the compound mould inhibitor of organic-inorganic (the II type antibacterial mildew inhibitor that produces as China Building Material Scientific Research General Institute), Qi chemical industry difficult to understand Co., Ltd and produce in the zinc pyridine antibacterial mildew inhibitor difficult to understand (trade mark ZOE) any one or more combination (portfolio ratio is unrestricted), do not react with latex material and curing agent, wherein be preferably the industrial fungicide that heterocyclic compound is formed.Organic anti-fungus material is the function ingredients in the adhesive.
Flours packing material: be used in combination (portfolio ratio is unrestricted) at least a or multiple in cornstarch, potato starch, the wheat flour.It is the solid matter filling components in the adhesive.
Curing agent: be in acetate alkene fat, organotin, polyvinyl alcohol, the vinyl emulsion any.It is the component that promotes bonding solidification rate in the adhesive.
More than all raw materials all commercially available.
Below with the assembly of instantiation explanation antibacterial and antimildew function adhesive.
Antibacterial and mouldproof core-board surface layer adhesive stick formulation examples 1:
Vinyl acetate resin copolymer emulsion (VAE) 50 grams
Inorganic antiseptic (rare-earth activated photocatalysis I type) 3 grams
Industrial fungicide (BHD-355 type) 0.5 gram
Cornstarch 35 grams
Acetate alkene fat curing agent 11.5 grams
Total amount 100 grams.
Antibacterial and mouldproof core-board surface layer adhesive stick formulation examples 2:
Water-based isocyanate 45 grams
Inorganic antiseptic (rare-earth activated photocatalysis I type) 2.5 grams
Industrial fungicide (BHD-355 type) 0.5 gram
Potato starch 32 grams
Vinyl emulsion curing agent 20 grams
Total amount 100 grams.
Antibacterial and mouldproof core-board surface layer adhesive stick formulation examples 3:
Aqueous polyurethane 45 grams
Hydroxyapatite copper-loaded (SR-T-102 type) 3 grams
Composite mildew inhibitor (II type antibacterial mildew inhibitor) 1 gram
Wheat flour 43 grams
Organotin curing agent 8 grams
Total amount 100 grams.
Antibacterial and mouldproof core-board surface layer adhesive stick formulation examples 4:
Vinyl acetate resin copolymer emulsion (VAE) 50 grams
Zeolite carries silver-colored type anti-biotic material (PAg-40 type) 3 grams
Zinc pyridine antibacterial mildew inhibitor difficult to understand (ZOE type) 0.5 gram
Wheat flour 38 grams
Acetate alkene fat curing agent 8.5 grams
Total amount 100 grams.
Antibacterial and mouldproof core-board surface layer adhesive stick formulation examples 5:
Vinyl acetate resin copolymer emulsion (VAE) 55 grams
Zeolite carries silver-colored type anti-biotic material (PAg-40 type) 2 grams
Zinc pyridine antibacterial mildew inhibitor difficult to understand (ZOE type) 1 gram
Wheat flour 30 grams
Polyvinyl alcohol curing agent 12 grams
Total amount 100 grams.
According to above five prescriptions, inorganic antibacterial powder, organic mould inhibitor, flour packing material and curing agent are added in the water based emulsion material successively, the limit edged stirs, and mixing speed 200～400r/min forms the antibacterial and antimildew function adhesive behind stirring 10～20min.Adhesive with making prepares the antibacterial and mouldproof core-board according to aforesaid preparation method.To be cut into the little test plate (panel) of 50mm * 50mm size with the core-board that five kinds of adhesive are made, each 10, according to the QB/T2591-2003 antibiotic plastic " in antibacterium and fungus-proof test method test.Simultaneously to blank sheet material (use do not add any antiseptic and mould inhibitor with the adhesive of vinyl acetate resin copolymer emulsion as glue, core-board by the inventive method preparation) and similar contrast sheet material (artificial wooden floor board of external coating antimildew and antibacterial coating, the Sichuan liter reaches forest products company to be provided) compare test.Result such as table 1.
Table 1:
Test result shows, for untapped sample still, core-board provided by the invention has tangible antibacterial and mouldproof effect than blank sheet material, compares with similar contrast sheet material, and the antibacterial and mouldproof effect quite (other partition description of mildew-resistant level: observe and do not see fungus growth by 0 grade of expression microscopically; The growth of 1 grade of expression naked eyes visible mold, but the growth area coverage is less than 10%; 2 grades of expression fungus growth area coverages are greater than 10%).
Antibacterial and mouldproof effect durability experiment: with reference to the antibacterial and mouldproof durability test method of stipulating in " antibacterial and mouldproof wooden decorative plate " standard, scrub sheet material 5000 times with coating washability tester, and then the antibiotic and anti-mold effect of difference specimen, the result is referring to table 2.
Table 2:
The antibacterial and mouldproof durability experiment shows that core-board of the present invention its antibacterial and mouldproof performance degradation after durable processing is less, and similar contrast sheet material adds antibacterial mildew inhibitor owing in the lacquer painting, and it is impaired to scrub the back lacquer painting, and the antibacterial and mouldproof effect weakens.Antibacterial and mouldproof core-board of the present invention can keep the long-term antibacterial fungicidal properties.
Claims (10)
1. an antibacterial and antimildew function core-board is a brushing antibacterial and mouldproof adhesive on the thick veneer of core-board, pastes top layer wood skin then, and the hot repressing of colding pressing is earlier handled and formed.
2. the antibacterial and antimildew function core-board described in the claim 1, it is characterized in that, described antibacterial and mouldproof adhesive is made up of following batching substantially: water based emulsion material 45～55 weight %, inorganic antibacterial powder 2～3 weight %, organic mould inhibitor 1～0.5 weight %, flours packing material 30～43 weight %, curing agent 8～20 weight %.
3. antibacterial and antimildew function core-board according to claim 1 and 2, it is characterized in that, described inorganic antibacterial material is the combination that zeolite carries in silver-colored type anti-biotic material, the agent of rare earth activated inorganic photocatalysis antibacterial, the copper-loaded anti-biotic material of hydroxyapatite any one or more, and average grain diameter is the 1-5 micron.
4. antibacterial and antimildew function core-board according to claim 1 and 2, it is characterized in that described organic anti-fungus material is any one or more combination in the compound mould inhibitor of industrial fungicide, organic-inorganic formed of heterocyclic compound and the zinc pyridine antibacterial mildew inhibitor difficult to understand; Be preferably the industrial fungicide that heterocyclic compound is formed.
5. antibacterial and antimildew function core-board according to claim 1 and 2 is characterized in that, described water based emulsion material be in water-based isocyanate (API), aqueous polyurethane and the vinyl acetate resin copolymer emulsion (VAE) any.
6. antibacterial and antimildew function core-board according to claim 1 and 2 is characterized in that, described flours packing material: at least a in cornstarch, potato starch and the wheat flour.
7. antibacterial and antimildew function core-board according to claim 1 and 2 is characterized in that, described curing agent is any in acetate alkene fat, organotin, polyvinyl alcohol and the vinyl emulsion.
8, the antibacterial and mouldproof adhesive that uses in the arbitrary described antibacterial and antimildew function core-board of claim 2 to 7.
9. the processing method of an antibacterial and antimildew function core-board is the described antibacterial and mouldproof adhesive of brushing claim 8 on the thick veneer of core-board, pastes top layer wood skin then, and the hot repressing of colding pressing is earlier handled and formed; Described colding pressing carried out at normal temperatures, and described hot pressing is carried out under 90～110 ℃.
10. the processing method of antibacterial and antimildew function core-board according to claim 9, it is characterized in that, add to described inorganic antibacterial powder, organic mould inhibitor, flour packing material, curing agent in the water based emulsion material in proportion successively, the limit edged stirs, mixing speed 200～400rad/min, after stirring 10～20min, according to 500～800g/m
2The brushing amount be applied on the thick thick china that makes, stick top layer wood skin, the normal temperature 40～60min that colds pressing, hot repressing 2-6min, hot pressing temperature is 90～110 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102223761A CN101362349A (en) | 2008-09-17 | 2008-09-17 | Antibiotic and mildew resistant functional block board, preparation method thereof and antibiotic mildew resistant adhesive |
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| CNA2008102223761A CN101362349A (en) | 2008-09-17 | 2008-09-17 | Antibiotic and mildew resistant functional block board, preparation method thereof and antibiotic mildew resistant adhesive |
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| CN101823272A (en) * | 2010-04-16 | 2010-09-08 | 蒋道友 | Technology for producing bamboo and wood artificial board with formaldehyde-free and phenol-free adhesive |
| CN102218759A (en) * | 2011-06-07 | 2011-10-19 | 戴武兵 | Method for manufacturing plywood |
| CN104608228A (en) * | 2015-02-06 | 2015-05-13 | 寿光市鲁丽木业有限公司 | Anti-bacteria mould-proof fragrant directional shaving board and manufacturing process thereof |
| CN104626292A (en) * | 2015-02-06 | 2015-05-20 | 寿光市鲁丽木业有限公司 | Surface-decorated oriented strand board and preparation process thereof |
| CN104893613A (en) * | 2015-04-29 | 2015-09-09 | 桐城市诚信木塑科技材料有限公司 | Flame retardant antibacterial environmentally-friendly floor glue |
| CN106078946A (en) * | 2016-06-21 | 2016-11-09 | 福建森源家具有限公司 | A kind of heat pressing process of natural veneer |
| CN106113163A (en) * | 2016-06-20 | 2016-11-16 | 福建森源家具有限公司 | Solid wood veneer sheet texture thick china mildew-resistant technique and grain of wood lagging mildew-resistant goods |
| CN107206619A (en) * | 2014-12-23 | 2017-09-26 | 生态合成股份有限公司 | Adhesive and composite based on biopolymer and isocyanates |
| CN109988523A (en) * | 2019-03-12 | 2019-07-09 | 河南省长城门业有限公司 | A kind of High-strength adhesive and preparation method thereof for splicing between assembled plate |
| CN112497374A (en) * | 2020-11-28 | 2021-03-16 | 无锡市森泰木制品有限公司 | Preparation method of environment-friendly antibacterial solid wood floor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101823272A (en) * | 2010-04-16 | 2010-09-08 | 蒋道友 | Technology for producing bamboo and wood artificial board with formaldehyde-free and phenol-free adhesive |
| CN102218759A (en) * | 2011-06-07 | 2011-10-19 | 戴武兵 | Method for manufacturing plywood |
| US10876022B2 (en) | 2014-12-23 | 2020-12-29 | Ecosynthetix Inc. | Biopolymer and isocyanate based binder and composite materials |
| US11530343B2 (en) | 2014-12-23 | 2022-12-20 | Ecosynthetix Inc. | Biopolymer and isocyanate based binder and composite materials |
| CN107206619B (en) * | 2014-12-23 | 2022-01-28 | 生态合成股份有限公司 | Biopolymer and isocyanate based adhesives and composites |
| CN107206619A (en) * | 2014-12-23 | 2017-09-26 | 生态合成股份有限公司 | Adhesive and composite based on biopolymer and isocyanates |
| US10947429B2 (en) | 2014-12-23 | 2021-03-16 | Ecosynthetix Inc. | Biopolymer and isocyanate based binder and composite materials |
| CN104608228A (en) * | 2015-02-06 | 2015-05-13 | 寿光市鲁丽木业有限公司 | Anti-bacteria mould-proof fragrant directional shaving board and manufacturing process thereof |
| CN104626292A (en) * | 2015-02-06 | 2015-05-20 | 寿光市鲁丽木业有限公司 | Surface-decorated oriented strand board and preparation process thereof |
| CN104626292B (en) * | 2015-02-06 | 2016-04-06 | 寿光市鲁丽木业股份有限公司 | One can facing oriented wood chipboard and preparation technology thereof |
| CN104608228B (en) * | 2015-02-06 | 2016-05-11 | 寿光市鲁丽木业股份有限公司 | A kind of antibacterial and mouldproof aroma type oriented wood chipboard and preparation technology thereof |
| CN104893613A (en) * | 2015-04-29 | 2015-09-09 | 桐城市诚信木塑科技材料有限公司 | Flame retardant antibacterial environmentally-friendly floor glue |
| CN106113163A (en) * | 2016-06-20 | 2016-11-16 | 福建森源家具有限公司 | Solid wood veneer sheet texture thick china mildew-resistant technique and grain of wood lagging mildew-resistant goods |
| CN106078946B (en) * | 2016-06-21 | 2019-03-08 | 福建森源家具有限公司 | A kind of heat pressing process of natural veneer |
| CN106078946A (en) * | 2016-06-21 | 2016-11-09 | 福建森源家具有限公司 | A kind of heat pressing process of natural veneer |
| CN109988523A (en) * | 2019-03-12 | 2019-07-09 | 河南省长城门业有限公司 | A kind of High-strength adhesive and preparation method thereof for splicing between assembled plate |
| CN112497374A (en) * | 2020-11-28 | 2021-03-16 | 无锡市森泰木制品有限公司 | Preparation method of environment-friendly antibacterial solid wood floor |
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