CN104231762B - Diatom coating with function of adsorbing and resolving methylbenzene - Google Patents
Diatom coating with function of adsorbing and resolving methylbenzene Download PDFInfo
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- CN104231762B CN104231762B CN201410558266.8A CN201410558266A CN104231762B CN 104231762 B CN104231762 B CN 104231762B CN 201410558266 A CN201410558266 A CN 201410558266A CN 104231762 B CN104231762 B CN 104231762B
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Abstract
The invention discloses a diatom coating with function of adsorbing and resolving methylbenzene, and the diatom coating is composed of the diatomite dispersion of load dissoluble methylbenzene material, 5040 dispersing agent, 2,2,4-trimethyl-1,3-pentanediol single isobutyric acid ester, Kh-550 silane coupling agent, polyacrylate thickener, 2-amino-2-2-methyl-1-propyl alcohol, kaolin, mica powder, titanium dioxide, octaphenyl polyoxyethyiene, glycol, 705 EVA emulsion, AGITAN-208 defoamer, casson and water. The diatomite dispersion of load dissoluble methylbenzene material is prepared by the CoO/Al2O3 catalyst, anatase nanometer titania, kieselguhr, 5040 dispersing agent, 405 wetting agent, AGITAN-208 defoamer, 400 polyethylene glycol, 2-amino-2-2-methyl-1-propyl alcohol, Kh-570 silane coupling agent, TT-935 thickener and the water. The diatom coating has the function of adsorbing and resolving methylbenzene.
Description
Technical field
The present invention relates to building material field, particularly to a kind of diatom coating that there is absorption and decompose toluene function.
Background technology
The source of the toluene mainly smog of burning tobacco, solvent, paint, stain, printing device, binding agent, wallpaper, carpet, synthetic fibers and cleaning agent etc. in indoor environment.Toluene is as entered to make brain and kidney seriously to be exposed at period of gestation by permanent damage, such as mother with snuffing under exposure repeatedly, and toxicity may affect baby and produce defect.According to GB/T18883-2002 " Indoor Air Quality standards ", the toluene level in air answers≤0.20mg/m3, and in current room air, toluene level is the most all beyond national standard, this brings threat to the health of people.
At present, many producers develop the house decorative material with air purification function, wherein also contains and can adsorb the house decorative material of toluene in air.But, these ornament materials the most only have absorption toluene function, but seldom have decomposition toluene function, especially have last decomposition toluene function.In addition, even if these house decorative materials with the addition of has the material decomposing toluene function, but these materials are only dispersed in ornament materials, seldom having and be dispersed stably in having decomposition toluene functional material in the hole of adsorbing material, this is also to cause it to decompose the major reason that toluene function is weak.
Kieselguhr is a kind of biogenic silicastone, is that the remains of the Diatomeae grown in ocean or lake are at subaqueous deposit, a kind of nonmetallic mineral gradually formed through natural environment effect.Having a lot of micropore inside kieselguhr, have certain chemism, mean diameter is less than 2 m, theoretical specific surface area about (40～50) m2/g.Architectural feature because of its uniqueness so that kieselguhr has the physical property that exquisiteness, loose, light weight, porous, water absorption and permeability are strong.
At present, being mainly diatom ooze product at house decorative material, it is solid powder, and during use, needing workmen to add a certain proportion of water could use.And house decoration is often limited by water source, causing certain inconvenience to processing, it addition, the amount added water also has strict regulation, complicated construction technique, this has higher technology requirement to workmen.Additionally, its use cost is high.Aqueous liquid diatom coating is with water as disperse medium, utilizes kieselguhr to contain a large amount of micropore and has the physical property of excellence, in conjunction with a kind of environmental protection coating material product being in a liquid state of the workability of emulsion paint excellence.Diatom coating can overcome the weak point of diatom ooze product, has the advantages such as construction is simple, use cost is relatively low.
For case above, the advantage utilizing diatom coating, in conjunction with catalytic decomposition toluene technology, study and a kind of there is absorption and to decompose the diatom coating of toluene function the most significant.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of diatom coating having absorption and decomposing toluene function.
The present invention solves the technical scheme of above-mentioned technical problem: of the present invention a kind of have absorption and to decompose the diatom coating of toluene function be to use following percentage by weight formula.
The kieselguhr dispersion liquid 30 ~ 45% of load decomposable asymmetric choice net toluene material, 5040 type dispersants 0.5 ~ 2%, 2,2,4-trimethyls 1,3-pentanediol mono isobutyrate 0.5 ~ 2%, Kh-550 type silane coupler 0.1 ~ 0.3%, polyacrylic ester thickener 0.2 ~ 0.5%, 2-amino-2-methyl-1-propanol 0.1 ~ 0.5%, Kaolin 4 ~ 8%, mica powder 5 ~ 10%, titanium dioxide 3 ~ 6%, OPEO 1 ~ 3%, ethylene glycol 0.5 ~ 2%, 705 type EVA emulsions 10 ~ 18%, AGITAN-208 type defoamer 0.1 ~ 0.3%, Kazon 0.1 ~ 0.3%, water surplus.
The kieselguhr dispersion liquid of load decomposable asymmetric choice net toluene material of the present invention is to use following percentage by weight formula: CoO/Al2O3Type catalyst 2 ~ 4%, nanometer anatase titania 0.5 ~ 2%, kieselguhr 25 ~ 40%, 5040 type dispersant 0.5 ~ 2%, 405 type wetting agent 0.1 ~ 0.5%, AGITAN-208 type defoamer 0.1 ~ 0.3%, 400 type Polyethylene Glycol 0.3 ~ 0.8%, 2-amino-2-methyl-1-propanol 0.1 ~ 0.3%, Kh-570 type silane coupler 0. 2 ~ 0.5%, TT-935 type thickening agent 0.1 ~ 0.5%, water surplus.
CoO/Al of the present invention2O3Type catalyst is with Al2O3For carrier, with CoO as active material, use a kind of catalyst that infusion process processes.
The mean diameter of nanometer anatase titania of the present invention is 5nm.
The kieselguhr dispersion liquid of load decomposable asymmetric choice net toluene material of the present invention is to use following steps to process.
In stirred tank, it is proportionally added into water, then is proportionally added into 5040 type dispersants, 405 type wetting agent, AGITAN-208 type defoamer, 400 type Polyethylene Glycol and 2-amino-2-methyl-1-propanols, and stir.
CoO/Al is continuously added in proportion in stirred tank2O3Type catalyst and nanometer anatase titania, and it is slowly added dropwise Kh-570 type silane coupler, and high-speed stirred, it is allowed to be uniformly dispersed.
The last kieselguhr that is proportionally added in stirred tank continues dispersion, and is slowly added to TT-935 type thickening agent, and moderate-speed mixer is uniformly.
A kind of preparation method with the diatom coating adsorbing and decomposing toluene function of the present invention comprises the steps.
Water is added in proportion in stirred tank, add 5040 dispersants, 2,2,4-trimethyls 1,3-pentanediol mono isobutyrate, Kh-550 type silane coupler, ethylene glycol, OPEO, 2-amino-2-methyl-1-propanol, AGITAN-208 type defoamer and Kazon, and stir.
Weigh Kaolin, mica powder and titanium dioxide in proportion, and be added in the dispersion liquid of previous step continuation dispersion.
705 type EVA emulsions are continued in dispersion liquid dispersion, adds the kieselguhr dispersion liquid of load decomposable asymmetric choice net toluene material, be eventually adding polyacrylic ester thickener regulation denseness, last fill, packaging.
The present invention the mean diameter of nanometer anatase titania be 5nm, and diatomaceous hole about 2 m, therefore, nanometer anatase titania is under the effect of various auxiliary agents, and by mechanical agitation, can disperse and stably exist in diatomaceous hole.Nanometer anatase titania makes TiO under the effect of daylight or light middle-ultraviolet lamp2Activate and generate the free radical with high catalytic activity, the strongest photooxidation and reducing power can be produced, can be catalyzed, photodissociation is attached to the toluene of body surface.After toluene is by diatomite adsorption to hole in air, may be implemented in hole and be decomposed.CoO/Al2O3Cobalt oxide in type catalyst is a kind of transition metal oxide, with Al2O3For carrier, using a kind of catalyst that infusion process processes, it has good catalyticing decomposition action to the toluene being in direct contact with on this catalyst surface.Additionally, product of the present invention also has moisture adsorption and releasing energy, indoor air humidity can be regulated, and there is anti-dewing function.
In order to verify the standard-required whether meeting GB/T 9756-2009 " resin latex dope " of product of the present invention, invention sample is sent to third party testing agency and detects by the present inventor, and test result is summarized as follows.
| Sequence number | Detection project | Standard-required | Testing result | Individual event conclusion |
| 1 | Condition in container | Without lump, in uniform state after stirring | Without lump, in uniform state after stirring | Qualified |
| 2 | Application property | Brush two roads accessible | Brush two roads accessible | Qualified |
| 3 | Low-temperature stability (3 circulations) | Never degenerate | Never degenerate | Qualified |
| 4 | Appearance of film | Normally | Normally | Qualified |
| 5 | Drying time (surface drying) | ≤2h | ＜ 1h | Qualified |
| 6 | Contrast ratio (white and light color) | ≥0.90 | 0.91 | Qualified |
| 7 | Alkali resistance (24h) | Without exception | Without exception | Qualified |
| 8 | Abrasion resistance | >=300 times | 1000 times the most show-through | Qualified |
By third party's testing result, inventive samples meets the standard-required of GB/T 9756-2009 " resin latex dope ".
In order to verify the standard-required whether meeting GB 18582-2008 " limits of harmful substances in indoor decorating and refurnishing materials interior wall coating " of product of the present invention, invention sample is sent to third party testing agency and detects by the present inventor, and test result is summarized as follows.
By third party's testing result, inventive samples meets the standard-required of GB 18582-2008 " limits of harmful substances in indoor decorating and refurnishing materials interior wall coating ".
In order to verify the performance of the adsorption-decomposition function toluene of product of the present invention, invention sample is sent to third party testing agency and detects with reference to JC/T 1074-2008 " function of purifying indoor air coating material purifying property " by the present inventor, and test result is summarized as follows.
| Detection project | Test environment | Standard-required | Test result |
| Toluene purifying property | Temperature (20 ± 2) DEG C, humidity (50 ± 10) % | ≥35% | Purification efficiency is 43% |
| Toluene continuing purge performance | Temperature (20 ± 2) DEG C, humidity (50 ± 10) % | ≥20% | Purification efficiency is 26% |
By third party's testing result, product of the present invention has toluene purification function and continuing purge toluene function.
Detailed description of the invention
Embodiment 1
In stirred tank, add 52.4 parts of water, add 2 part of 5040 type dispersant, 0.1 part of 405 type wetting agent, 0.3 part of AGITAN-208 type defoamer, 0.3 part of 400 type Polyethylene Glycol and 0.3 part of 2-amino-2-methyl-1-propanol, and stir.2 parts of CoO/Al are added again in stirred tank2O3Type catalyst and 2 parts of nanometer anatase titanias, and it is slowly added dropwise 0.5 part of Kh-570 type silane coupler, and high-speed stirred, it is allowed to be uniformly dispersed.Last 45 parts of kieselguhr continuation dispersions of addition in stirred tank, and it is slowly added to 0.1 part of TT-935 type thickening agent, moderate-speed mixer is uniform, must load the kieselguhr dispersion liquid of decomposable asymmetric choice net toluene material, standby.
Another stirred tank adds 26.4 parts of water, 0.5 part of 5040 dispersant, 0.5 part 2,2,4-trimethyl 1,3-pentanediol mono isobutyrate, 0.1 part of Kh-550 type silane coupler, 0.5 part of ethylene glycol, 3 parts of OPEOs, 0.1 part of 2-amino-2-methyl-1-propanol, 0.3 part of AGITAN-208 type defoamer and 0.1 part of Kazon, and stir.Weigh 4 parts of Kaolin, 10 parts of mica powders and 6 parts of titanium dioxides again, and be added in the dispersion liquid of previous step continuation dispersion.18 part of 705 type EVA emulsion is added in dispersion liquid continuation dispersion, and the kieselguhr dispersion liquid adding 30 parts of load decomposable asymmetric choice net toluene materials is eventually adding 0.5 part of polyacrylic ester thickener regulation denseness, last fill, packaging, i.e. the present embodiment 1.
Embodiment 2
In stirred tank, add 59.7 parts of water, add 1.2 part of 5040 type dispersant, 0.3 part of 405 type wetting agent, 0.2 part of AGITAN-208 type defoamer, 0.5 part of 400 type Polyethylene Glycol and 0.2 part of 2-amino-2-methyl-1-propanol, and stir.3 parts of CoO/Al are added again in stirred tank2O3Type catalyst and 1.2 parts of nanometer anatase titanias, and it is slowly added dropwise 0.4 part of Kh-570 type silane coupler, and high-speed stirred, it is allowed to be uniformly dispersed.Last 33 parts of kieselguhr continuation dispersions of addition in stirred tank, and it is slowly added to 0.3 part of TT-935 type thickening agent, moderate-speed mixer is uniform, must load the kieselguhr dispersion liquid of decomposable asymmetric choice net toluene material, standby.
Another stirred tank adds 22.2 parts of water, 1.2 part of 5040 dispersant, 1.2 part 2,2,4-trimethyl 1,3-pentanediol mono isobutyrate, 0.2 part of Kh-550 type silane coupler, 1.2 parts of ethylene glycol, 2 parts of OPEOs, 0.3 part of 2-amino-2-methyl-1-propanol, 0.2 part of AGITAN-208 type defoamer and 0.2 part of Kazon, and stir.Weigh 6 parts of Kaolin, 8 parts of mica powders and 5 parts of titanium dioxides again, and be added in the dispersion liquid of previous step continuation dispersion.14 part of 705 type EVA emulsion is added in dispersion liquid continuation dispersion, and the kieselguhr dispersion liquid adding 38 parts of load decomposable asymmetric choice net toluene materials is eventually adding 0.3 part of polyacrylic ester thickener regulation denseness, last fill, packaging, i.e. the present embodiment 2.
Embodiment 3
In stirred tank, add 67.8 parts of water, add 0.5 part of 5040 type dispersant, 0.5 part of 405 type wetting agent, 0.1 part of AGITAN-208 type defoamer, 0.8 part of 400 type Polyethylene Glycol and 0.1 part of 2-amino-2-methyl-1-propanol, and stir.4 parts of CoO/Al are added again in stirred tank2O3Type catalyst and 0.5 part of nanometer anatase titania, and it is slowly added dropwise 0.2 part of Kh-570 type silane coupler, and high-speed stirred, it is allowed to be uniformly dispersed.Last 25 parts of kieselguhr continuation dispersions of addition in stirred tank, and it is slowly added to 0.5 part of TT-935 type thickening agent, moderate-speed mixer is uniform, must load the kieselguhr dispersion liquid of decomposable asymmetric choice net toluene material, standby.
Another stirred tank adds 20.6 parts of water, 2 part of 5040 dispersant, 2 part 2,2,4-trimethyl 1,3-pentanediol mono isobutyrate, 0.3 part of Kh-550 type silane coupler, 2 parts of ethylene glycol, 1 part of OPEO, 0.5 part of 2-amino-2-methyl-1-propanol, 0.1 part of AGITAN-208 type defoamer and 0.3 part of Kazon, and stir.Weigh 8 parts of Kaolin, 5 parts of mica powders and 3 parts of titanium dioxides again, and be added in the dispersion liquid of previous step continuation dispersion.10 part of 705 type EVA emulsion is added in dispersion liquid continuation dispersion, and the kieselguhr dispersion liquid adding 45 parts of load decomposable asymmetric choice net toluene materials is eventually adding 0.2 part of polyacrylic ester thickener regulation denseness, last fill, packaging, i.e. the present embodiment 3.
Claims (1)
1. one kind has absorption and decomposes the diatom coating of toluene function, it is characterised in that it is to use following percentage by weight formula:
The kieselguhr dispersion liquid 30 ~ 45% of load decomposable asymmetric choice net toluene material, 5040 type dispersants 0.5 ~ 2%, 2,2,4-trimethyls 1,3-pentanediol mono isobutyrate 0.5 ~ 2%, KH-550 type silane coupler 0.1 ~ 0.3%, polyacrylic ester thickener 0.2 ~ 0.5%, 2-amino-2-methyl-1-propanol 0.1 ~ 0.5%, Kaolin 4 ~ 8%, mica powder 5 ~ 10%, titanium dioxide 3 ~ 6%, OPEO 1 ~ 3%, ethylene glycol 0.5 ~ 2%, 705 type EVA emulsions 10 ~ 18%, AGITAN-208 type defoamer 0.1 ~ 0.3%, Kazon 0.1 ~ 0.3%, water surplus；
The kieselguhr dispersion liquid of described load decomposable asymmetric choice net toluene material is to use following percentage by weight formula:
CoO/Al2O3Type catalyst 2 ~ 4%, nanometer anatase titania 0.5 ~ 2%, kieselguhr 25 ~ 40%, 5040 type dispersant 0.5 ~ 2%, 405 type wetting agent 0.1 ~ 0.5%, AGITAN-208 type defoamer 0.1 ~ 0.3%, 400 type Polyethylene Glycol 0.3 ~ 0.8%, 2-amino-2-methyl-1-propanol 0.1 ~ 0.3%, KH-570 type silane coupler 0. 2 ~ 0.5%, TT-935 type thickening agent 0.1 ~ 0.5%, water surplus；
Described CoO/Al2O3Type catalyst is with Al2O3For carrier, with CoO as active material, use a kind of catalyst that infusion process processes；The mean diameter of described nanometer anatase titania is 5nm；
The kieselguhr dispersion liquid of described load decomposable asymmetric choice net toluene material is to use following steps to process:
A. in stirred tank, it is proportionally added into water, then is proportionally added into 5040 type dispersants, 405 type wetting agent, AGITAN-208 type defoamer, 400 type Polyethylene Glycol and 2-amino-2-methyl-1-propanols, and stir；
B. in stirred tank, continuously add CoO/Al in proportion2O3Type catalyst and nanometer anatase titania, and it is slowly added dropwise KH-570 type silane coupler, and high-speed stirred, it is allowed to be uniformly dispersed；
C. being finally proportionally added into kieselguhr in stirred tank and continue dispersion, and be slowly added to TT-935 type thickening agent, moderate-speed mixer is uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558266.8A CN104231762B (en) | 2014-10-16 | 2014-10-16 | Diatom coating with function of adsorbing and resolving methylbenzene |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410558266.8A CN104231762B (en) | 2014-10-16 | 2014-10-16 | Diatom coating with function of adsorbing and resolving methylbenzene |
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| CN104231762A CN104231762A (en) | 2014-12-24 |
| CN104231762B true CN104231762B (en) | 2017-01-11 |
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| CN201410558266.8A Expired - Fee Related CN104231762B (en) | 2014-10-16 | 2014-10-16 | Diatom coating with function of adsorbing and resolving methylbenzene |
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| CN108636381A (en) * | 2018-05-17 | 2018-10-12 | 合肥浦尔菲电线科技有限公司 | A kind of automobile air adsorbent and preparation method thereof |
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| EP2303963A1 (en) * | 2008-07-10 | 2011-04-06 | SABIC Innovative Plastics IP B.V. | Tie layer compositions |
| EP2277959B1 (en) * | 2008-09-02 | 2013-10-16 | Celanese International Corporation | Low emission, high scrub VAE latex paints |
| CN103059679B (en) * | 2013-01-30 | 2016-04-06 | 中国地质大学（武汉） | A kind of clean taste anti-formaldehyde environment protection interior wall latex coating and preparation method thereof |
| CN103709880A (en) * | 2013-12-06 | 2014-04-09 | 青岛益群漆业集团有限公司 | Diatomite mineral purified multifunctional child-safe mercerized wall paint |
| CN103865335B (en) * | 2014-04-01 | 2016-12-07 | 天津银塔实业有限公司 | A kind of wall finiss and preparation method thereof |
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