CN103880351A - Environment-friendly composite calcium metasilicate plate and preparation method thereof - Google Patents
Environment-friendly composite calcium metasilicate plate and preparation method thereof Download PDFInfo
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- CN103880351A CN103880351A CN201410051035.8A CN201410051035A CN103880351A CN 103880351 A CN103880351 A CN 103880351A CN 201410051035 A CN201410051035 A CN 201410051035A CN 103880351 A CN103880351 A CN 103880351A
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Abstract
The invention discloses an environment-friendly composite calcium metasilicate plate and a preparation method thereof. The preparation method comprises the following step: coating a nanometer titania photocatalyst aqueous suspension on a base plate of the calcium metasilicate plate in a rolling coating or spraying coating manner to obtain the environment-friendly composite calcium metasilicate plate, wherein the base plate of the calcium metasilicate plate is prepared from a silicon material, a calcium material, reinforced fibers and assistants; the nanometer titania photocatalyst aqueous suspension comprises titanium dioxide powder with the fineness of not greater than 50nm, a surface active agent, an adhesive and water. According to the preparation method, the nanometer titania photocatalyst aqueous suspension is coated on the base plate of the calcium metasilicate plate to form a water-based film; the water-based film is coated on the surface of a base material and then dried to form a membrane which can be used for highly catalyzing and degrading under the effect of light, so that indoor formaldehyde can be absorbed and degraded, and the antibacterial effect is also improved.
Description
Technical field
The present invention relates to a kind of interior wall structural lumber, relate in particular to a kind of environmentally friendly composite calcium silicate plate and preparation method thereof.
Background technology
Calcium silicate board is taking high-quality cement of high index as body material, and be equipped with natural fiber strengthen, process and make through special techniques such as vanguard technology moulding, pressurization, high-temperature steam curings, be a kind of novel building and industrial sheet material with premium properties, its product has the advantages such as fire prevention, protection against the tide, sound insulation, Anti-moth-eating, weather resistance be strong.In prior art, commercially available calcium silicate board function singleness cannot be gone out the formaldehyde that produces in fitment process etc. obnoxious flavour, can not suppress the breeding to bacterium, need to carry out secondary treatment and just can reach user's use standard, increases construction cost.Therefore, prior art needs further improve and develop.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of environmentally friendly composite calcium silicate plate and preparation method thereof, so that its absorption degradation indoor formaldehyde improves its fungistatic effect.
Technical scheme of the present invention is as follows:
A kind of environmentally friendly composite calcium silicate plate, wherein, it comprises following component according to weight ratio:
Siliceous material 30%-45%;
Calcareous material 30%-50%;
Fortifying fibre 5%-50%;
Auxiliary agent 0.5%-5%.
Described environmentally friendly composite calcium silicate plate, wherein, by being coated with a water base film on the above-mentioned environmentally friendly composite calcium silicate plate surface forming, described water base film comprises following component according to weight ratio:
The titanium dioxide powder of 5-50nm is 0.2%-5%, and tensio-active agent is 0.2%-10%, and tackiness agent is 0.1-5%; Surplus is water.
Described environmentally friendly composite calcium silicate plate, wherein, described siliceous material is a kind of or its mixture in sepiolite, silica powder, flyash, diatomite.
Described environmentally friendly composite calcium silicate plate, wherein, described calcareous material is a kind of or its mixture in lime, calcium carbide mud, cement.
Described environmentally friendly composite calcium silicate plate, wherein, described fortifying fibre is a kind of or its mixture in wood pulp, straw pulp, paper pulp, glass fibre.
Described environmentally friendly composite calcium silicate plate, wherein, described auxiliary agent is a kind of or its mixture in defoamer, releasing agent, silicone antifoam agent and polyethers suds suppressor.
Described environmentally friendly composite calcium silicate plate, wherein, described tensio-active agent is a kind of or its mixture in polyoxyethylene glycol, oleic acid amine, inorganic acid ester, Soxylat A 25-7, phosphoric acid salt.
Described environmentally friendly composite calcium silicate plate, wherein, described tackiness agent is a kind of or its mixture in gelatin, vegetable jelly, polyvinyl alcohol, 108 glue, vinyl acetate-ethylene glue.
Described environmentally friendly composite calcium silicate plate, wherein, described gelatin is gelatine or gelatin, described vegetable jelly is dextrin or seaweed gel.
A method of preparing described environmentally friendly composite calcium silicate plate, it comprises the following steps: according to above-mentioned weight ratio, siliceous material, calcareous material, fortifying fibre and auxiliary agent are made to Calucium Silicate powder substrate; Then according to above-mentioned weight ratio, the titanium dioxide powder of 5-50nm, tensio-active agent, tackiness agent and water are made to the water base suspension of nano-titania photocatalyst; Water base described nano-titania photocatalyst suspension is coated on described Calucium Silicate powder substrate and is formed water base film by roller painting or curtain coating, after then drying, obtain described environmentally friendly composite calcium silicate plate.
Environmentally friendly composite calcium silicate plate of one provided by the invention and preparation method thereof, the water base suspension of coated with nano photocatalyst of titanium dioxide on Calucium Silicate powder substrate, form water base film, it coats substrate surface, after dry, form film, under the effect of light, produce strong catalyzed degradation function, toxic gas in the air of effectively degrading; And can effectively kill various bacteria, antibiotic rate is up to 99%, and the toxin that bacterium or fungi can be discharged decomposes and harmless treatment; Colleague also possesses the function such as deodorizing, anti-soil.It is under the irradiation of light, can produce similar photosynthetic photochemical catalysis reflection, produce oxidation capacity extremely strong free hydroxy and active oxygen, there is very strong photoredox function, the various organic compound of oxidable decomposition and part inorganics, can destroy the cytolemma of bacterium and solidify viral protein, can kill bacteria and decomposing organic pollutant, organic pollutant is resolved into free of contamination water and carbonic acid gas, thereby there is extremely strong sterilization, deodorizing, mildew-resistant, anti-fouling and self-cleaning, air purification function, make its absorption degradation indoor formaldehyde, improve its fungistatic effect.
Embodiment
The invention provides a kind of environmentally friendly composite calcium silicate plate and preparation method thereof, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of environmentally friendly composite calcium silicate plate, comprise the siliceous material of following component: 30%-45%, calcareous material, the fortifying fibre of 5%-50% and the auxiliary agent of 0.5%-5% of 30%-50% according to weight ratio.Obvious, can adjust as required the weight part of each component, obtain optimum performance.
Further, described siliceous material is a kind of or its mixture in the materials such as sepiolite, silica powder, flyash, diatomite, and its main component is silicon-dioxide; Described calcareous material is a kind of or its mixture in the materials such as lime, calcium carbide mud, cement, and its main component is calcium oxide; Described fortifying fibre is a kind of or its mixture in the materials such as wood pulp, straw pulp, paper pulp, glass fibre; Described auxiliary agent is a kind of or its mixture in the materials such as defoamer, releasing agent, silicone antifoam agent and polyethers suds suppressor.
In another preferred embodiment of the present invention, by being coated with a water base film on the above-mentioned environmentally friendly composite calcium silicate plate surface forming, described water base film comprises that according to weight ratio the titanium dioxide powder of following component: 5-50nm is 0.2%-5%, tensio-active agent is 0.2%-10%, and tackiness agent is 0.1-5%; Surplus is water.
Further, described tensio-active agent is a kind of or its mixture in the materials such as polyoxyethylene glycol, oleic acid amine, inorganic acid ester, Soxylat A 25-7, phosphoric acid salt; Described tackiness agent is a kind of or its mixture in the materials such as gelatin, vegetable jelly, polyvinyl alcohol, 108 glue, vinyl acetate-ethylene glue; Described gelatin is gelatine or gelatin, and described vegetable jelly is dextrin or seaweed gel.
The present invention also provides a kind of method of preparing described environmentally friendly composite calcium silicate plate, and it comprises the following steps: according to above-mentioned weight ratio, siliceous material, calcareous material, fortifying fibre and auxiliary agent are made to Calucium Silicate powder substrate; Then according to above-mentioned weight ratio, the titanium dioxide powder of 5-50nm, tensio-active agent, tackiness agent and water are made to the water base suspension of nano-titania photocatalyst; Water base described nano-titania photocatalyst suspension is coated on described Calucium Silicate powder substrate and is formed water base film by roller painting or curtain coating, after then drying, obtain described environmentally friendly composite calcium silicate plate.
In order further to describe technical scheme of the present invention, below enumerate more detailed embodiment and describe.
Embodiment 1
The preparation of Calucium Silicate powder substrate:
Diatomite accounts for gross weight 43.2%; Sepiolite accounts for gross weight 4.5%; Cement accounts for gross weight 35.7%; Wollastonite accounts for gross weight 4.3%; Unslaked lime accounts for gross weight 4.3%; Paper pulp accounts for gross weight 8.0%.
First make workshop section's batching making beating in batching and slip, then by the making sheet of flight method, take off base, stacking, the precuring demoulding.Further steam still health pressing, then dry, edging chamfering, sanding, make Calucium Silicate powder substrate.
The preparation of the water base suspension of nano-titania photocatalyst
Titanium dioxide powder accounts for gross weight 4%; Polyoxyethylene glycol accounts for gross weight 3%; Phosphoric acid salt accounts for gross weight 5%; Gelatin accounts for gross weight 0.5%; Seaweed gel accounts for gross weight 3%; Polyvinyl alcohol accounts for gross weight 0.5%; Surplus is water, and it is fully mixed, and makes the water base suspension of nano-titania photocatalyst, and keeping solid content is 3%.
Water base described nano-titania photocatalyst suspension is coated on described Calucium Silicate powder substrate to the about 0.3Kg/M of the water base quantities of suspension of described nano-titania photocatalyst by roller painting
2, then in dryer, dry, obtain described environmentally friendly composite calcium silicate plate.
Embodiment 2;
The preparation of Calucium Silicate powder substrate;
Diatomite accounts for gross weight 41.8%; Sepiolite accounts for gross weight 4.6%; Cement accounts for gross weight 37.5%; Wollastonite accounts for gross weight 4.6%; Unslaked lime accounts for gross weight 4.6%; Wood pulp accounts for gross weight 6.9%.
First make workshop section's batching making beating in batching and slip, then by the making sheet of flight method, take off base, stacking, the precuring demoulding.Further steam still health pressing, then dry, edging chamfering, sanding, make Calucium Silicate powder substrate.
The preparation of the water base suspension of nano-titania photocatalyst
Titanium dioxide powder accounts for gross weight 2%; Oleic acid amine accounts for gross weight 5%; Inorganic acid ester accounts for gross weight 1%; Soxylat A 25-7 gross weight 2%; Gelatine accounts for gross weight 1%; Dextrin accounts for gross weight 1%, and vinyl acetate-ethylene glue accounts for gross weight 1%; Surplus is water, and it is fully mixed, and makes the water base suspension of nano-titania photocatalyst, and keeping solid content is 3%.
Water base described nano-titania photocatalyst suspension is coated on described Calucium Silicate powder substrate to the about 0.5Kg/M of the water base quantities of suspension of described nano-titania photocatalyst by curtain coating
2, then in dryer, dry, obtain described environmentally friendly composite calcium silicate plate.
Adopt the performance of environmentally friendly composite calcium silicate plate removal formaldehyde in climate box method embodiment 1 and embodiment 2:
Blocking test casing amasss as 1M
3, fan being housed in case and stirring air, it is 2M that a blank case is put into the prior art total area
22 composite calcium silicate plate samples, in sales kit (SK), putting into the total area is 2M
22 the present invention in environmentally friendly composite calcium silicate plate sample, in glass dish at the bottom of two casees, inject 3 milliliters of analytical pure formaldehyde solutions respectively, under illumination in conventional day after 48 and 72 hours, adopt air concentration of formaldehyde in AHMT spectrophotometry case according to GB GB/T16129, in sales kit (SK), concentration of formaldehyde reduces respectively 42% and 81% than blank case, and environmentally friendly composite calcium silicate plate sample of the present invention is obviously better than composite calcium silicate plate in prior art.
Obvious, in the present invention, the concrete content of each component can carry out accommodation as required, about the adjustment of the concrete content of each component, those skilled in the art can adjust in record according to the present invention, at this not in the combination that repeats one by one above-mentioned each component concentration.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. an environmentally friendly composite calcium silicate plate, is characterized in that, it comprises following component according to weight ratio:
Siliceous material 30%-45%;
Calcareous material 30%-50%;
Fortifying fibre 5%-50%;
Auxiliary agent 0.5%-5%.
2. environmentally friendly composite calcium silicate plate according to claim 1, is characterized in that, by being coated with a water base film on the above-mentioned environmentally friendly composite calcium silicate plate surface forming, described water base film comprises following component according to weight ratio:
The titanium dioxide powder of 5-50nm is 0.2%-5%, and tensio-active agent is 0.2%-10%, and tackiness agent is 0.1-5%; Surplus is water.
3. environmentally friendly composite calcium silicate plate according to claim 1, is characterized in that, described siliceous material is a kind of or its mixture in sepiolite, silica powder, flyash, diatomite.
4. environmentally friendly composite calcium silicate plate according to claim 1, is characterized in that, described calcareous material is a kind of or its mixture in lime, calcium carbide mud, cement.
5. environmentally friendly composite calcium silicate plate according to claim 1, is characterized in that, described fortifying fibre is a kind of or its mixture in wood pulp, straw pulp, paper pulp, glass fibre.
6. environmentally friendly composite calcium silicate plate according to claim 1, is characterized in that, described auxiliary agent is a kind of or its mixture in defoamer, releasing agent, silicone antifoam agent and polyethers suds suppressor.
7. environmentally friendly composite calcium silicate plate according to claim 2, is characterized in that, described tensio-active agent is a kind of or its mixture in polyoxyethylene glycol, oleic acid amine, inorganic acid ester, Soxylat A 25-7, phosphoric acid salt.
8. environmentally friendly composite calcium silicate plate according to claim 2, is characterized in that, described tackiness agent is a kind of or its mixture in gelatin, vegetable jelly, polyvinyl alcohol, 108 glue, vinyl acetate-ethylene glue.
9. environmentally friendly composite calcium silicate plate according to claim 8, is characterized in that, described gelatin is gelatine or gelatin, and described vegetable jelly is dextrin or seaweed gel.
10. prepare a method for environmentally friendly composite calcium silicate plate as claimed in claim 2, it comprises the following steps: according to above-mentioned weight ratio, siliceous material, calcareous material, fortifying fibre and auxiliary agent are made to Calucium Silicate powder substrate; Then according to above-mentioned weight ratio, the titanium dioxide powder of 5-50nm, tensio-active agent, tackiness agent and water are made to the water base suspension of nano-titania photocatalyst; Water base described nano-titania photocatalyst suspension is coated on described Calucium Silicate powder substrate and is formed water base film by roller painting or curtain coating, after then drying, obtain described environmentally friendly composite calcium silicate plate.
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| CN104591645A (en) * | 2014-12-26 | 2015-05-06 | 山东三生新材料科技有限公司 | Calcium silicate board and production method thereof |
| CN105130362A (en) * | 2015-07-21 | 2015-12-09 | 汪涛涛 | Humidity-regulating light-weight calcium silicate board and production method thereof |
| CN105198342A (en) * | 2015-07-15 | 2015-12-30 | 常州市武进金阳光电子有限公司 | Composite nano oil-resistant high-temperature-resistant calcium silicate board and preparation method thereof |
| CN105541396A (en) * | 2016-01-30 | 2016-05-04 | 白山市东北亚新型建筑材料有限公司 | Photocatalyst diatom-mud lightweight high-strength plate |
| CN105693179A (en) * | 2016-01-30 | 2016-06-22 | 白山市东北亚新型建筑材料有限公司 | Diatomite composite material |
| CN105731954A (en) * | 2016-01-30 | 2016-07-06 | 白山市东北亚新型建筑材料有限公司 | Preparation method of diatomite composite material |
| CN105776978A (en) * | 2016-01-30 | 2016-07-20 | 白山市东北亚新型建筑材料有限公司 | Method for manufacturing photocatalyst diatom ooze light high-strength plate |
| CN106676938A (en) * | 2016-07-01 | 2017-05-17 | 广东松本绿色新材股份有限公司 | Decorative sheet production process based on composite material, proportioning and flow-grabbing device |
| CN107500668A (en) * | 2017-09-25 | 2017-12-22 | 常州市瑞泰物资有限公司 | A kind of preparation method of calcium silicate having high strength insulation material |
| CN107857529A (en) * | 2017-11-09 | 2018-03-30 | 白山市东北亚新型建筑材料有限公司 | A kind of environmentally friendly diatom ooze floor |
| CN108859321A (en) * | 2018-05-15 | 2018-11-23 | 深圳市好美佳智能家居股份有限公司 | A kind of lightweight, wear-resisting, good weatherability composite board and its application |
| CN109046317A (en) * | 2018-07-27 | 2018-12-21 | 安徽建筑大学 | Rare earth ion doped lead molybdate micro-nano material, preparation method thereof and application thereof in photocatalytic degradation of formaldehyde |
| CN109318544A (en) * | 2018-09-10 | 2019-02-12 | 桂林桂特板业有限公司 | A kind of calcium silicate board and preparation method thereof |
| CN111333398A (en) * | 2020-03-10 | 2020-06-26 | 江苏爱富希新型建材股份有限公司 | Preparation method of calcium silicate board for purifying air |
| CN111704425A (en) * | 2020-06-03 | 2020-09-25 | 武汉理工大学 | Calcium silicate board containing sepiolite clay minerals and preparation method thereof |
| CN112174626A (en) * | 2020-09-27 | 2021-01-05 | 安徽华城兴建材科技有限公司 | Asbestos-free calcium silicate board partition wall and manufacturing method thereof |
| CN112573887A (en) * | 2020-12-28 | 2021-03-30 | 广东雄塑环保板业有限公司 | High-strength calcium silicate board and preparation process thereof |
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| CN104591645B (en) * | 2014-12-26 | 2016-06-08 | 山东三生新材料科技有限公司 | A kind of calcium silicate board with microporous and production method thereof |
| CN104591645A (en) * | 2014-12-26 | 2015-05-06 | 山东三生新材料科技有限公司 | Calcium silicate board and production method thereof |
| CN105198342A (en) * | 2015-07-15 | 2015-12-30 | 常州市武进金阳光电子有限公司 | Composite nano oil-resistant high-temperature-resistant calcium silicate board and preparation method thereof |
| CN105130362A (en) * | 2015-07-21 | 2015-12-09 | 汪涛涛 | Humidity-regulating light-weight calcium silicate board and production method thereof |
| CN105541396A (en) * | 2016-01-30 | 2016-05-04 | 白山市东北亚新型建筑材料有限公司 | Photocatalyst diatom-mud lightweight high-strength plate |
| CN105693179A (en) * | 2016-01-30 | 2016-06-22 | 白山市东北亚新型建筑材料有限公司 | Diatomite composite material |
| CN105731954A (en) * | 2016-01-30 | 2016-07-06 | 白山市东北亚新型建筑材料有限公司 | Preparation method of diatomite composite material |
| CN105776978A (en) * | 2016-01-30 | 2016-07-20 | 白山市东北亚新型建筑材料有限公司 | Method for manufacturing photocatalyst diatom ooze light high-strength plate |
| CN106676938B (en) * | 2016-07-01 | 2019-05-10 | 广东松本绿色新材股份有限公司 | Technique for manufacturing decorative boards, combo and stream copy device based on composite material |
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| CN107500668A (en) * | 2017-09-25 | 2017-12-22 | 常州市瑞泰物资有限公司 | A kind of preparation method of calcium silicate having high strength insulation material |
| CN107857529A (en) * | 2017-11-09 | 2018-03-30 | 白山市东北亚新型建筑材料有限公司 | A kind of environmentally friendly diatom ooze floor |
| CN108859321A (en) * | 2018-05-15 | 2018-11-23 | 深圳市好美佳智能家居股份有限公司 | A kind of lightweight, wear-resisting, good weatherability composite board and its application |
| CN109046317A (en) * | 2018-07-27 | 2018-12-21 | 安徽建筑大学 | Rare earth ion doped lead molybdate micro-nano material, preparation method thereof and application thereof in photocatalytic degradation of formaldehyde |
| CN109318544A (en) * | 2018-09-10 | 2019-02-12 | 桂林桂特板业有限公司 | A kind of calcium silicate board and preparation method thereof |
| CN111333398A (en) * | 2020-03-10 | 2020-06-26 | 江苏爱富希新型建材股份有限公司 | Preparation method of calcium silicate board for purifying air |
| CN111704425A (en) * | 2020-06-03 | 2020-09-25 | 武汉理工大学 | Calcium silicate board containing sepiolite clay minerals and preparation method thereof |
| CN111704425B (en) * | 2020-06-03 | 2021-12-07 | 武汉理工大学 | Calcium silicate board containing sepiolite clay minerals and preparation method thereof |
| CN112174626A (en) * | 2020-09-27 | 2021-01-05 | 安徽华城兴建材科技有限公司 | Asbestos-free calcium silicate board partition wall and manufacturing method thereof |
| CN112573887A (en) * | 2020-12-28 | 2021-03-30 | 广东雄塑环保板业有限公司 | High-strength calcium silicate board and preparation process thereof |
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