CN105153763A - Environment-friendly and sterilization diatom ooze coating - Google Patents
Environment-friendly and sterilization diatom ooze coating Download PDFInfo
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- CN105153763A CN105153763A CN201510570099.3A CN201510570099A CN105153763A CN 105153763 A CN105153763 A CN 105153763A CN 201510570099 A CN201510570099 A CN 201510570099A CN 105153763 A CN105153763 A CN 105153763A
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Abstract
The invention discloses environment-friendly and sterilization diatom ooze coating. The environment-friendly and sterilization diatom ooze coating comprises the following raw materials in parts by weight: 50-55 parts of natural diatom ooze, 15-20 parts of negative ion powder, 10-13 parts of sepiolite powder, 7-10 parts of a polylactic acid-chelated silver ion sterilization agent, 7-9 parts of vermiculite powder, 3.2-3.6 parts of a toughening agent, 1.2-1.5 parts of an emulsifying agent, 1.2-1.5 parts of a curing agent, 1.4-1.7 parts of a de-foaming agent, 1.3-1.6 parts of a leveling agent, 0.7-1 part of a leveling auxiliary agent, 0.8-1.2 parts of a mildew-proof agent, 1.8-2.2 parts of a dispersant, 1.2-1.5 parts of a film-forming auxiliary agent and 55-60 parts of de-ionized water. The environment-friendly and sterilization diatom ooze coating disclosed by the invention has a good sterilization performance, is environmentally friendly and durable and is good indoor coating.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of environmental protection sterilization diatom ooze coating.
Background technology
In interior decoration process, smooth above general adopt watered by building, dry powder, talcum powder and stone flour and putty powder blending form, and containing a large amount of formaldehyde and other objectionable impurities in building glue, can constantly volatilize after upper wall, serious harm resident family particularly woman,child,the old and the young and weak trouble patient's is healthy, therefore, increasing people selects the diatom ooze of more environmental protection as the material of smooth metope.Diatom ooze adsorptivity is strong, ductility good, has functions such as regulating humidity, releasing negative oxygen ion, fire protection flame retarding, deodorization and sterilization.But the mankind easily make to be full of bacterium in room in inhabitation process, how to improve the sterilization effect of diatom ooze, ensure that residence permit is healthy, become the focus direction of research at present.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of environmental protection sterilization diatom ooze coating, bactericidal property is good, and environmental and durable, is a kind of excellent indoor paint.
A kind of environmental protection sterilization diatom ooze coating that the present invention proposes, its raw material comprises by weight: natural diatomaceous earth 50-55 part, negative ion powder 15-20 part, sepiolite powder 10-13 part, poly(lactic acid) chelated silver iron sterilant 7-10 part, vermiculite power 7-9 part, toughner 3.2-3.6 part, emulsifying agent 1.2-1.5 part, solidifying agent 1.2-1.5 part, defoamer 1.4-1.7 part, advection agent 1.3-1.6 part, flow assistants 0.7-1 part, mould inhibitor 0.8-1.2 part, dispersion agent 1.8-2.2 part, film coalescence aid 1.2-1.5 part, deionized water 55-60 part.
Preferably, the weight ratio of natural diatomaceous earth, negative ion powder, sepiolite powder, poly(lactic acid) chelated silver iron sterilant, vermiculite power is 52-53:16-18:11-12:8-9:7.5-8.
Preferably, its raw material comprises by weight: natural diatomaceous earth 52-53 part, negative ion powder 16-18 part, sepiolite powder 11-12 part, poly(lactic acid) chelated silver iron sterilant 8-9 part, vermiculite power 7.5-8 part, toughner 3.4-3.5 part, emulsifying agent 1.3-1.4 part, solidifying agent 1.3-1.4 part, defoamer 1.5-1.6 part, advection agent 1.4-1.5 part, flow assistants 0.8-0.9 part, mould inhibitor 0.9-1.1 part, dispersion agent 1.9-2.1 part, film coalescence aid 1.3-1.4 part, deionized water 56-58 part.
Preferably, solidifying agent is urea-formaldehyde resin or terpolycyantoamino-formaldehyde resin.
Preferably, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: lactic acid after dehydration is carried out increasing temperature and pressure reaction, then drops into tin protochloride, toluenesulphonic acids monohydrate and phosphorous acid, heat up, step-down, heat-insulation pressure keeping, cooling, pulverizes and obtains prefabricated poly(lactic acid); Prefabricated poly(lactic acid) is dropped in the methanesulfonic aqueous solution, take out after stirring and drain, drop in dimethylbenzene, continue to drop into deionized water, γ-r-chloropropyl trimethoxyl silane, silver nitrate aqueous solution and polyethylenediamine, leave standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
Preferably, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: lactic acid after dehydration is carried out increasing temperature and pressure reaction, and reaction pressure is 1-1.5 × 10
4pa, temperature of reaction is 145-148 DEG C, and the reaction times is 1-1.5h, then drops into tin protochloride, toluenesulphonic acids monohydrate and phosphorous acid, is warming up to 185-190 DEG C, is depressurized to 500-600Pa, and after heat-insulation pressure keeping 8-10h, cooling, pulverizes and obtain prefabricated poly(lactic acid); Prefabricated poly(lactic acid) being dropped into massfraction is take out after stirring in the methanesulfonic aqueous solution of 37-40wt% to drain, drop in dimethylbenzene, continuation input deionized water, γ-r-chloropropyl trimethoxyl silane, massfraction are silver nitrate aqueous solution and the polyethylenediamine of 20-23wt%, 30-40min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
Preferably, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after the dehydration of 100-120 part is carried out increasing temperature and pressure reaction, reaction pressure is 1-1.5 × 10
4pa, temperature of reaction is 145-148 DEG C, reaction times is 1-1.5h, then 0.01-0.05 part tin protochloride, 0.04-0.07 part toluenesulphonic acids monohydrate and 0.01-0.03 part phosphorous acid is dropped into, be warming up to 185-190 DEG C, be depressurized to 500-600Pa, after heat-insulation pressure keeping 8-10h, cooling, pulverizes and obtains prefabricated poly(lactic acid); Prefabricated for 30-35 part poly(lactic acid) being dropped into 50-55 part massfraction is take out after stirring in the methanesulfonic aqueous solution of 37-40wt% to drain, drop in 100-110 part dimethylbenzene, continuation input 10-15 part deionized water, 6-9 part γ-r-chloropropyl trimethoxyl silane, 13-16 part massfraction are silver nitrate aqueous solution and 15-18 part polyethylenediamine of 20-23wt%, 30-40min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
The present invention adds negative ion powder in preparation process, can discharge the negative ion of great advantage to human body, can eliminate corticocerebral fatigue, improving water flood, enhancing body immunity, resistance against diseases; The interpolation of sepiolite and vermiculite power, one is expand volume of the present invention, reduce cost, and two is diatomite and negative ion part are merged better form large-area coating; The interpolation of poly(lactic acid) chelated silver iron sterilant then can coordinate with negative ion powder, substantially increase bactericidal property of the present invention, in its preparation process, after dehydration, lactic acid can form oligopolymer, under specific temperature and pressure condition, cyclisation becomes lactide dimer, and the tin protochloride then dropped into, toluenesulphonic acids monohydrate can coordinate and under specific temperature and pressure condition, be polymerized as catalyzer initiation lactide dimer the poly(lactic acid) that formation molecular weight is large, physical strength good, wetting ability is stronger; And phosphorous acid significantly can improve the stability of poly(lactic acid) as the interpolation of stablizer, the methanesulfonic aqueous solution simultaneously can and next added coordinates, and impel poly(lactic acid) at grafting hydroxyl, thus improve the wetting ability of poly(lactic acid) chelated silver iron sterilant further; Take dimethylbenzene as solvent, with γ-r-chloropropyl trimethoxyl silane for medium, polyethylenediamine can be impelled stably to be grafted in prefabricated poly(lactic acid), and polyethylenediamine is a kind of water-soluble polyamine, the a large amount of amido atom N contained, can the silver ions that contain in the silver nitrate solution that adds of active adsorption, thus formed be evenly distributed, firm structure, greatly improve the sterilization effect of poly(lactic acid) chelated silver iron sterilant; Simultaneously, because polyethylenediamine is cross-linked to form mutually stable tridimensional network, overcome the shortcoming that poly(lactic acid) intensity is low, shock resistance is poor, improve the thermotolerance of poly(lactic acid), substantially increase intensity of the present invention, shock resistance, expand range of application of the present invention.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of environmental protection sterilization diatom ooze coating that the present invention proposes, its raw material comprises by weight: natural diatomaceous earth 55 parts, negative ion powder 15 parts, sepiolite powder 13 parts, 7 parts, poly(lactic acid) chelated silver iron sterilant, vermiculite power 9 parts, toughner 3.2 parts, emulsifying agent 1.5 parts, 1.2 parts, solidifying agent, defoamer 1.7 parts, advection agent 1.3 parts, flow assistants 1 part, mould inhibitor 0.8 part, dispersion agent 2.2 parts, film coalescence aid 1.2 parts, deionized water 60 parts; Wherein, solidifying agent is urea-formaldehyde resin;
The preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after 100 parts of dehydrations is carried out increasing temperature and pressure reaction, reaction pressure is 1.5 × 10
4pa, temperature of reaction is 145 DEG C, and the reaction times is 1.5h, then drops into 0.01 part of tin protochloride, 0.07 part of toluenesulphonic acids monohydrate and 0.01 part of phosphorous acid, is warming up to 190 DEG C, is depressurized to 500Pa, and after heat-insulation pressure keeping 10h, cooling, pulverizes and obtain prefabricated poly(lactic acid); 30 parts of prefabricated poly(lactic acid) being dropped into 55 parts of massfractions is take out after stirring in the methanesulfonic aqueous solution of 37wt% to drain, drop in 110 parts of dimethylbenzene, continuation input 10 parts of deionized waters, 9 parts of γ-r-chloropropyl trimethoxyl silanes, 13 parts of massfractions are silver nitrate aqueous solution and 15 parts of polyethylenediamine of 23wt%, 40min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
Embodiment 2
A kind of environmental protection sterilization diatom ooze coating that the present invention proposes, its raw material comprises by weight: natural diatomaceous earth 50 parts, negative ion powder 20 parts, sepiolite powder 10 parts, 10 parts, poly(lactic acid) chelated silver iron sterilant, vermiculite power 7 parts, toughner 3.6 parts, emulsifying agent 1.2 parts, 1.5 parts, solidifying agent, defoamer 1.4 parts, advection agent 1.6 parts, flow assistants 0.7 part, mould inhibitor 1.2 parts, dispersion agent 1.8 parts, film coalescence aid 1.5 parts, deionized water 55 parts; Wherein, solidifying agent is urea-formaldehyde resin;
The preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after 120 parts of dehydrations is carried out increasing temperature and pressure reaction, reaction pressure is 1 × 10
4pa, temperature of reaction is 148 DEG C, and the reaction times is 1h, then drops into 0.05 part of tin protochloride, 0.04 part of toluenesulphonic acids monohydrate and 0.03 part of phosphorous acid, is warming up to 185 DEG C, is depressurized to 600Pa, and after heat-insulation pressure keeping 8h, cooling, pulverizes and obtain prefabricated poly(lactic acid); 35 parts of prefabricated poly(lactic acid) being dropped into 50 parts of massfractions is take out after stirring in the methanesulfonic aqueous solution of 40wt% to drain, drop in 100 parts of dimethylbenzene, continuation input 15 parts of deionized waters, 6 parts of γ-r-chloropropyl trimethoxyl silanes, 16 parts of massfractions are silver nitrate aqueous solution and 18 parts of polyethylenediamine of 20wt%, 30min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
Embodiment 3
A kind of environmental protection sterilization diatom ooze coating that the present invention proposes, its raw material comprises by weight: natural diatomaceous earth 53 parts, negative ion powder 16 parts, sepiolite powder 12 parts, 8 parts, poly(lactic acid) chelated silver iron sterilant, vermiculite power 8 parts, toughner 3.4 parts, emulsifying agent 1.4 parts, 1.3 parts, solidifying agent, defoamer 1.6 parts, advection agent 1.4 parts, flow assistants 0.9 part, mould inhibitor 0.9 part, dispersion agent 2.1 parts, film coalescence aid 1.3 parts, deionized water 58 parts; Wherein, solidifying agent is terpolycyantoamino-formaldehyde resin;
The preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after 105 parts of dehydrations is carried out increasing temperature and pressure reaction, reaction pressure is 1.3 × 10
4pa, temperature of reaction is 146 DEG C, and the reaction times is 1.3h, then drops into 0.03 part of tin protochloride, 0.06 part of toluenesulphonic acids monohydrate and 0.01 part of phosphorous acid, is warming up to 188 DEG C, is depressurized to 530Pa, and after heat-insulation pressure keeping 9h, cooling, pulverizes and obtain prefabricated poly(lactic acid); 31 parts of prefabricated poly(lactic acid) being dropped into 53 parts of massfractions is take out after stirring in the methanesulfonic aqueous solution of 38wt% to drain, drop in 108 parts of dimethylbenzene, continuation input 12 parts of deionized waters, 8 parts of γ-r-chloropropyl trimethoxyl silanes, 14 parts of massfractions are silver nitrate aqueous solution and 16 parts of polyethylenediamine of 22wt%, 37min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
Embodiment 4
A kind of environmental protection sterilization diatom ooze coating that the present invention proposes, its raw material comprises by weight: natural diatomaceous earth 52 parts, negative ion powder 18 parts, sepiolite powder 11 parts, 9 parts, poly(lactic acid) chelated silver iron sterilant, vermiculite power 7.5 parts, toughner 3.5 parts, emulsifying agent 1.3 parts, 1.4 parts, solidifying agent, defoamer 1.5 parts, advection agent 1.5 parts, flow assistants 0.8 part, mould inhibitor 1.1 parts, dispersion agent 1.9 parts, film coalescence aid 1.4 parts, deionized water 56 parts; Wherein, solidifying agent is terpolycyantoamino-formaldehyde resin;
The preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after 110 parts of dehydrations is carried out increasing temperature and pressure reaction, reaction pressure is 1.2 × 10
4pa, temperature of reaction is 147 DEG C, and the reaction times is 1.2h, then drops into 0.04 part of tin protochloride, 0.05 part of toluenesulphonic acids monohydrate and 0.02 part of phosphorous acid, is warming up to 186 DEG C, is depressurized to 560Pa, and after heat-insulation pressure keeping 8.5h, cooling, pulverizes and obtain prefabricated poly(lactic acid); 34 parts of prefabricated poly(lactic acid) being dropped into 52 parts of massfractions is take out after stirring in the methanesulfonic aqueous solution of 39wt% to drain, drop in 104 parts of dimethylbenzene, continuation input 13 parts of deionized waters, 7 parts of γ-r-chloropropyl trimethoxyl silanes, 15 parts of massfractions are silver nitrate aqueous solution and 17 parts of polyethylenediamine of 21wt%, 34min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. an environmental protection sterilization diatom ooze coating, it is characterized in that, its raw material comprises by weight: natural diatomaceous earth 50-55 part, negative ion powder 15-20 part, sepiolite powder 10-13 part, poly(lactic acid) chelated silver iron sterilant 7-10 part, vermiculite power 7-9 part, toughner 3.2-3.6 part, emulsifying agent 1.2-1.5 part, solidifying agent 1.2-1.5 part, defoamer 1.4-1.7 part, advection agent 1.3-1.6 part, flow assistants 0.7-1 part, mould inhibitor 0.8-1.2 part, dispersion agent 1.8-2.2 part, film coalescence aid 1.2-1.5 part, deionized water 55-60 part.
2. environmental protection sterilization diatom ooze coating according to claim 1, it is characterized in that, the weight ratio of natural diatomaceous earth, negative ion powder, sepiolite powder, poly(lactic acid) chelated silver iron sterilant, vermiculite power is 52-53:16-18:11-12:8-9:7.5-8.
3. environmental protection sterilization diatom ooze coating according to claim 1 or 2, it is characterized in that, its raw material comprises by weight: natural diatomaceous earth 52-53 part, negative ion powder 16-18 part, sepiolite powder 11-12 part, poly(lactic acid) chelated silver iron sterilant 8-9 part, vermiculite power 7.5-8 part, toughner 3.4-3.5 part, emulsifying agent 1.3-1.4 part, solidifying agent 1.3-1.4 part, defoamer 1.5-1.6 part, advection agent 1.4-1.5 part, flow assistants 0.8-0.9 part, mould inhibitor 0.9-1.1 part, dispersion agent 1.9-2.1 part, film coalescence aid 1.3-1.4 part, deionized water 56-58 part.
4. environmental protection sterilization diatom ooze coating according to any one of claim 1-3, is characterized in that, solidifying agent is urea-formaldehyde resin or terpolycyantoamino-formaldehyde resin.
5. environmental protection sterilization diatom ooze coating according to any one of claim 1-4, it is characterized in that, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: lactic acid after dehydration is carried out increasing temperature and pressure reaction, then tin protochloride, toluenesulphonic acids monohydrate and phosphorous acid is dropped into, heat up, step-down, heat-insulation pressure keeping, cooling, pulverizes and obtains prefabricated poly(lactic acid); Prefabricated poly(lactic acid) is dropped in the methanesulfonic aqueous solution, take out after stirring and drain, drop in dimethylbenzene, continue to drop into deionized water, γ-r-chloropropyl trimethoxyl silane, silver nitrate aqueous solution and polyethylenediamine, leave standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
6. environmental protection sterilization diatom ooze coating according to any one of claim 1-5, is characterized in that, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: lactic acid after dehydration is carried out increasing temperature and pressure reaction, and reaction pressure is 1-1.5 × 10
4pa, temperature of reaction is 145-148 DEG C, and the reaction times is 1-1.5h, then drops into tin protochloride, toluenesulphonic acids monohydrate and phosphorous acid, is warming up to 185-190 DEG C, is depressurized to 500-600Pa, and after heat-insulation pressure keeping 8-10h, cooling, pulverizes and obtain prefabricated poly(lactic acid); Prefabricated poly(lactic acid) being dropped into massfraction is take out after stirring in the methanesulfonic aqueous solution of 37-40wt% to drain, drop in dimethylbenzene, continuation input deionized water, γ-r-chloropropyl trimethoxyl silane, massfraction are silver nitrate aqueous solution and the polyethylenediamine of 20-23wt%, 30-40min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
7. environmental protection sterilization diatom ooze coating according to any one of claim 1-6, it is characterized in that, the preparation method of poly(lactic acid) chelated silver iron sterilant is as follows: by weight lactic acid after the dehydration of 100-120 part is carried out increasing temperature and pressure reaction, reaction pressure is 1-1.5 × 10
4pa, temperature of reaction is 145-148 DEG C, reaction times is 1-1.5h, then 0.01-0.05 part tin protochloride, 0.04-0.07 part toluenesulphonic acids monohydrate and 0.01-0.03 part phosphorous acid is dropped into, be warming up to 185-190 DEG C, be depressurized to 500-600Pa, after heat-insulation pressure keeping 8-10h, cooling, pulverizes and obtains prefabricated poly(lactic acid); Prefabricated for 30-35 part poly(lactic acid) being dropped into 50-55 part massfraction is take out after stirring in the methanesulfonic aqueous solution of 37-40wt% to drain, drop in 100-110 part dimethylbenzene, continuation input 10-15 part deionized water, 6-9 part γ-r-chloropropyl trimethoxyl silane, 13-16 part massfraction are silver nitrate aqueous solution and 15-18 part polyethylenediamine of 20-23wt%, 30-40min is left standstill after stirring, then filter, dry, pulverize, sieve and obtain poly(lactic acid) chelated silver iron sterilant.
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