CN105504894A - Algae and calcium containing inorganic ecological coating and preparation method thereof - Google Patents
Algae and calcium containing inorganic ecological coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an algae and calcium containing inorganic ecological coating and a preparation method thereof. The algae and calcium containing inorganic ecological coating comprises raw materials in percentage by weight as follows: 3%-8% of algae, 37%-40% of calcium containing inorganic matrixes, 1.5%-4.2% of environmental mineral powder, 1%-2% of nano titanium dioxide, 8%-12% of silicate excited colloid, 0.15%-0.4% of a retarder, 2.5%-4.25% of a dispersing agent and 30%-41% of deionized water, wherein the percentages of all the components add up to 100%. The silicate excited colloid is taken as a film forming matrix and reacts with active silicon and a calcium source component, the film forming performance, the film strength, the attachment and the wear resistance of the coating are improved, and the coating further has the characteristics of nature, environmental protection, no VOC (volatile organic compounds) pollution, various ecological functionality, simple process and excellent weather resistance.
Description
Technical field
The present invention relates to the technical field of material of construction, refer to inorganic ecologic coating of a kind of algae calcium and preparation method thereof particularly.
Background technology
Now general coating (emulsion paint) is made up of the material of four components: (1) filmogen: based on macromolecule emulsion; (2) color stuffing: based on titanium dioxide, calcium carbonate, pigment etc.; (3) water; (4) auxiliary agent: based on various Polymer Synthesizing organism such as film coalescence aid, defoamer, thickening material, flow agent, sanitas, frostproofers.The indoor pollution that coating causes, the human health damage caused because of VOC (volatile organic compounds) numerous in coating and the numerous brand batch defective frequent exposure rate of coating sampling observation is early well known, development environment friendly, resource-conserving coating are the main flows of coating industry development, and problem demanding prompt solution is followed successively by: (1) harm reduction: reduce and control TVOC (total volatile organism) content in organic constituents; (2) resource environment protection: use natural environmental-protective as far as possible, there are the starting material of specific microvoid structure; (3) functionalization: the useful process of energy improves the nuisance of remaining construction material volatilization, improves Air quality; (4) ensured sustained development: various useful performance can spontaneously continue to carry out; (5) fundamental property guarantee: water-fast antibacterial, sticking power is basic guarantee performance.
In known technology, CN200510044438.0 discloses a kind of dope with negative ion function for air purification and preparation method thereof, CN102504662A discloses a kind of negative ion paint and preparation method thereof, CN102585622A discloses a kind of doped nano titanium dioxide photocatalyst negative ion coating, in general color stuffing, catalysis is carried out with nano titanium oxide or doped nano titanium dioxide, to mix tourmalinite again, negative ion powder functional powder anion releasing, but still retain with organic synthesis polymer substance for filmogen and various auxiliary agent, potential VOC (volatile organic compounds) volatile matter pollutes.
In known technology, CN103289455A discloses a kind of formaldehydeless VOC free inorganic functional coating and preparation method thereof, CN103289454A discloses inorganic functional coating of a kind of negative ion degradation of formaldehyde and preparation method thereof, CN103289453A discloses a kind of antibacterial taste removal inorganic functional coating and preparation method thereof, with coarse whiting, kaolin, wilkinite, fine particle calcium carbonate, titanium dioxide, on the general color stuffing basis of talcum powder, by mixing 5 ~ 10% diatomite again, mix 2 ~ 3% zirconium whites again, 2 ~ 3% aluminum oxide, 2 ~ 3% silicon-carbide metal powder, with composite inorganic alkali metal silicate, aluminium dihydrogen phosphate, polynite gel is film-forming components, and difference admixture 5 ~ 10% oyster shell whiting, 2 ~ 6% negative ion powders, 0.5 ~ 1% inorganic antiseptic is prepared into formaldehydeless VOC free respectively, negative ion degradation of formaldehyde, the inorganic functional coating of antibacterial taste removal, with silicate hydroxyl, metal powder and all the other ceramic carry out multiple cross-linked reaction and form firm fine and close complex compound, have broken away from universal lacquer with polymeric emulsion, the organism such as polymer dispersion powder are the dependency of filmogen, solve harm reduction problem, and by mixing 5 ~ 10% diatomite again, 5 ~ 10% oyster shell whitings can obtain certain beneficial functionality.
In known technology, CN101774785A take oyster shell whiting as the interior wall coating of main component, with 55 ~ 72% shell calcium carbonate and 15 ~ 25% shell calcium oxide for main raw, with 10 ~ 15% redispersible latex powders for caking agent, adding 1 ~ 3% nano titanium oxide, 1 ~ 3% negative ion powder and 0.4 ~ 0.6% ether of cellulose is that functional adding material mixes together, there is absorption, resolving harmful gas, and have and necessarily breathe humidity conditioning function; CN103011682A discloses inorganic nano combined coating of ecological oyster shell whiting and preparation method thereof, be made up of 70 ~ 90% oyster shell whitings, 10 ~ 30% composite polyvinyl alcohol glue caking agents, wherein contain 1 ~ 3% nano titanium oxide, 1 ~ 3% tourmaline powder in oyster shell whiting, there is the indoor toxic gas of adsorption-decomposition function, can releasing negative oxygen ion for a long time; CN103849274A discloses a kind of oyster shell whiting furniture decoration coating, take oyster shell whiting as color stuffing, ethene-vinyl acetate copolymer emulsion is film forming matter, add the auxiliary agents such as water-white rosin, polyacrylic ester water-holding agent, polyurethane thickener, neck dicyclo-hexyl phthlate softening agent, have environmental protection pollution-free, have good sticking power, good snappiness and thermotolerance to basal plane; CN103627261A discloses dry somatotype oyster shell whiting interior wall coating and preparation method thereof, with 30 ~ 60% oyster shell whitings, 10 ~ 20% calcined kaolins, 10 ~ 20% coarse whitings, 10 ~ 20% talcum powder, 1 ~ 5% nano titanium oxide, 1 ~ 5% nano-tourmaline powder, 5 ~ 10% polymer powder materials for main component, there is adsorption-decomposition function obnoxious flavour and peculiar smell, antibacterial, sterilization, anti-static function; CN102167936A discloses marine organism shell powder paint, comprises biosynthesizing tackiness agent, Sodium hexametaphosphate 99, oyster shell whiting, emulsifying agent, Citric acid monohydrate Food grade, have pure natural, to human non-toxic evil, environmental protection feature; CN104987808A discloses a kind of environmental protection oyster shell whiting functional paint and its production and use, comprise dihydroxyphenyl propane-epoxy resin, modification oyster shell whiting, plant extraction liquid, organosilicon crylic acid latex, nanometer additive, organically-modified micro mist auxiliary agent, tensio-active agent, neck phthalic acid dibutyl ester, 3,3
,-(4-trifluoromethyl α-tolylene)-bis--4 hydroxy coumarin, 2,2,4-trimethylammonium-1,3-pentanediol mono isobutyrate, ethyl acetate, ethanol, Viscoat 295, N-aminoethyl piperazine, polydimethylsiloxane and deionized water, obtained coating has antibacterial, environmental purification performance and wear resisting property significantly.The feature of above 5 public technologies is all based on oyster shell whiting, admixture nano titanium oxide, tourmaline powder etc., be starting material by feature of environmental protection shell, solve functional issues and persistence, but still retain with organic synthesis polymer substance for filmogen or caking agent and various auxiliary agent improve, potential VOC volatile matter pollutes.
In known technology, CN102633482A discloses a kind of matrix material and the production method with purifying formaldehyde function, CN102633450A discloses a kind of matrix material and the production method thereof with negative ion bionic function, CN102633483A discloses a kind of matrix material and the production method thereof with automatic humidity-regulating function, individually disclose with algae, calcic mineral-type matrix, inorganic environment mineral, properties-correcting agent can be prepared into purifying formaldehyde function, negative ion bionic function, the inorganic composite materials of automatic humidity-regulating function, and disclose algae, calcic mineral-type matrix is because of the distinctive nano micropore structure capable of essential crystal and purifying formaldehyde, negative ion is bionical, the mechanistic technology of association of the ecological functions such as automatic humidity-regulating.
In sum, several functions coating is disclosed in prior art, multiple inorganic functional composite technology and method, but from paint development trend and harm reduction, resource environment protection, functionalization, ensured sustained development, fundamental property ensures, five aspects are comprehensively analyzed and are still needed to continue to improve, make full use of algae on the one hand, inorganic calcic class matrix and the distinctive nano micropore structure capable of oyster shell whiting, abundant raising or have purifying formaldehyde concurrently, negative ion is bionical, the ecological properties such as automatic humidity-regulating, carry out multiple cross-linked reaction by inorganic gel component on the other hand as far as possible and form fine and close thing technology, reduce or replace the bonding film forming matter of organic polymer component, by screening and the combination of inorganic materials, make full use of the photocatalysis technology of nano titanium oxide and the electric microfield effect of negative ion powder.
Given this, in conjunction with above-mentioned prior art and investigation, based on the algae of natural environmental-protective, calcic mineral-type, environmental mineral micro mist, excite colloid for film forming matter with silicate, prepare the inorganic ecologic coating of a kind of algae calcium, realize purifying formaldehyde, negative ion induces, automatic humidity-regulating function integration.
Summary of the invention
Object of the present invention will provide inorganic ecologic coating of a kind of algae calcium and preparation method thereof exactly, the inorganic ecologic coating of this algae calcium excites colloid for film forming matrix with silicate, with activated silica, calcium source component reaction, not only improve the film-forming properties of coating, film strength, sticking power and wear resistance, also there is the feature that natural environmental-protective, VOC free pollution, multiple ecological functions, technique are simple, have excellent weather resistance.
For achieving the above object, the inorganic ecologic coating of a kind of algae calcium provided by the present invention, the raw material of the inorganic ecologic coating of this algae calcium by weight percentage ratio comprises: algae 3 ~ 8%, calcic mineral-type matrix 37 ~ 40%, environmental mineral micro mist 1.5 ~ 4.2%, nano titanium oxide 1 ~ 2%, silicate excite colloid 8 ~ 12%, retardant 0.15 ~ 0.4%, dispersion agent 2.5 ~ 4.25%, deionized water 30 ~ 41%, and above each component weight percentage sum is 100%.
Preferably, the raw material of the inorganic ecologic coating of this algae calcium by weight percentage ratio comprises: algae 5.5 ~ 8%, calcic mineral-type matrix 38 ~ 40%, environmental mineral micro mist 2.4 ~ 4%, nano titanium oxide 1.5 ~ 2%, silicate excite colloid 8 ~ 10.3%, retardant 0.2 ~ 0.4%, dispersion agent 3 ~ 4%, deionized water 35 ~ 40%, and above each component weight percentage sum is 100%.
Further, described algae is the white diatomite after titanium dichloride load or bleaching, and its granularity is 400 ~ 600 orders.
Further, described calcic mineral-type matrix is one or more in natural calcium sulphate hemihydrate, shell calcium carbonate, shell calcium oxide, dicalcium powder, light calcium carbonate powder; Whiteness > 85, the calcium oxide content > 40% of described calcic mineral-type matrix, its granularity is 400 ~ 600 orders.
Further, described environmental mineral micro mist is one or more in negative ion powder, sea-gull stone micro mist, vermiculite power, attapulgite, sepiolite; Described environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, and its whiteness > 78, granularity is 400 ~ 600 orders.
Further, described silicate excites colloid percentage compositely to be formed by the silicate of 40 ~ 60%, alkali metal hydroxide, the xanthan gel of 8 ~ 16%, the deionized water of 21.5 ~ 51.2% of 0.8 ~ 2.5%;
Wherein, described silicate is water glass and/or potassium silicate; The modulus of described silicate is 3.3, and degree Beaume is 40 ~ 45, and solid content is 30 ~ 33%; Described alkali metal hydroxide is sodium hydroxide and/or potassium hydroxide; Described xanthan gel is one or more in konjak gum, carrageenin, seaweed gel.
Further, described retardant be food grade Trisodium Citrate, citric acid, Citric acid monohydrate Food grade one or more; Described dispersion agent is Sodium hexametaphosphate 99 and/or trisodium phosphate.
A preparation method for the inorganic ecologic coating of algae calcium, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: algae 3 ~ 8%, calcic mineral-type matrix 37 ~ 40%, environmental mineral micro mist 1.5 ~ 4.2%, nano titanium oxide 1 ~ 2%, silicate excite colloid 8 ~ 12%, retardant 0.15 ~ 0.4%, dispersion agent 2.5 ~ 4.25%, deionized water 30 ~ 41% by following weight percentage;
2) combined grinding:
By the algae of described 3 ~ 8%, 37 ~ 40% calcic mineral-type matrix, the environmental mineral micro mist of 1.5 ~ 4.2%, the nano titanium oxide of 1 ~ 2% carry out mixing vibration grinding, fraction is divided to shine, until grain size category is 1500 ~ 1600 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 8 ~ 12% silicate excite colloid to insert with whipping appts container in, and the retardant, the dispersion agent of 2.5 ~ 4.25%, the deionized water of 30 ~ 41% that add described 0.15 ~ 0.4% successively carry out high speed dispersion emulsification, form compound, mixing speed is 800 ~ 1000r/min, churning time 30 ~ 50min, the obtained inorganic ecologic coating of algae calcium.
Further, described step 1) mesosilicic acid salt excites the preparation method of colloid to be: first silicate inserted in the container with chuck heating and stirring device, add deionized water again, while 600r/min stirring at low speed, after adding alkali metal hydroxide, xanthan gel successively, heated for controlling temperature is under 80 ~ 100 DEG C of temperature condition, and improve rotating speed to 2000 ~ 2400r/min Keep agitation 10 ~ 30min, obtained silicate excites colloid.
Further, according to color demand, the inorganic ecologic coating of gained algae calcium is inserted with in whipping appts container, the mill base material adding different colours again carries out mixing toning, mixing speed is 800 ~ 1000r/min, churning time 30 ~ 50min, obtained coloured inorganic ecologic coating of algae calcium.
Compared with prior art, tool of the present invention has the following advantages:
One, the present invention adopts inorganic natural powder, mineral compound, food grade gel, deionized water as raw material, and environmental protection, security are high.
They are two years old, with the calcic mineral-type matrix of diatomite algae, calcium sulphate hemihydrate, shell calcium carbonate, shell calcium oxide, light calcium carbonate powder, dicalcium powder in inorganic powder in the present invention, and the environmental mineral micro mist such as negative ion powder, sea-gull stone micro mist, vermiculite power, attapulgite, sepiolite all belongs to natural environmental-protective product, use safety, toxicological harmless effect.
Its three, the present invention has that purifying formaldehyde, negative oxygen ion are bionical, automatic humidity-regulating ecological property concurrently, and the concrete mechanism of action is:
(1) under nano titanium dioxide photocatalysis, by diatom-calcareous micropore by formaldehyde absorbing, OH (hydroxyl free radical) is formed by redox reaction, O
2-(peroxy radical) and have very strong oxidative decomposition capacity, destroys C-C key, C-H key, C-N key, C-O key, O-H key, the N-H key in organism, through forming intermediate product formic acid HCOOH, and is finally oxidized to CO
2and H
2o;
(2) the atom generation redox reaction of appraising at the current rate in algae, inorganic environment mineral substance component produces electric microfield, and carry out continually and steadily under the katalysis of internal composition, when the water molecules in air enters material internal structure micropore, water molecules is ionized to the hydrogen ion of positively charged and electronegative hydroxide ion, electronegative hydroxide ion and water are in conjunction with generating negative ion water, be discharged in air in a gaseous form, thus negative ion induces;
(3) with the calcic mineral-type matrix of diatomite algae, calcium sulphate hemihydrate, shell calcium carbonate, shell calcium oxide, light calcium carbonate powder, dicalcium powder, and the environmental mineral micro mist such as negative ion powder, sea-gull stone micro mist, vermiculite power, attapulgite, sepiolite all has the characteristic that its porosity of microvoid structure is high, specific surface area is large, powerful adsorptivity and there is excellent adjustable wet.
They are four years old, the present invention adopts the composite formation silicate of inorganic silicate, alkali metal hydroxide, xanthan gel, deionized water to excite colloid as filmogen (tackiness agent), rheological property can not only be improved, increase coating film gloss, improve film opacifying power, and in film process, fine and close complex compound can be formed with activated silica, calcium source component reaction in powder again, there is excellent water-fast, wear resistance.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of preparation method of the present invention;
Fig. 2 is diatom-calcareous microvoid structure distribution in raw material under 5000 times of micro-Electronic Speculum;
Fig. 3 be under algae calcium inorganic ecologic coating coated side 5000 times of micro-Electronic Speculum of obtaining of the present invention to pore network structure.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment one:
1, the feed composition (the equal percentage of physical measurement unit) of the inorganic ecologic coating of a kind of algae calcium:
(1) algae: white diatomite 5.5%, this white diatomite is through titanium dichloride load or bleaching, and its granularity is 600 orders;
(2) calcic mineral-type matrix: calcium sulphate hemihydrate 18%, shell calcium carbonate 22%, the whiteness > 85 of this calcic mineral-type matrix, calcium oxide content > 40%, its granularity is 400 orders;
(3) environmental mineral micro mist: negative ion powder 2.4%, this environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, its whiteness > 78, and granularity is 600 orders;
(4) nano titanium oxide: 1.5%;
(5) silicate excites colloid: 10.3%, this silicate excites the preparation method of colloid: first by the potassium silicate of 34%, (modulus of potassium silicate is 3.3, degree Beaume is 40, solid content is 30%) insert with chuck heating and stirring device container, add the deionized water of 48.5% again, while 600r/min stirring at low speed, add successively the potassium hydroxide of 2%, 7.75% seaweed gel, 7.75% carrageenin after, heated for controlling temperature is under 80 DEG C of temperature condition, improve rotating speed to 2000r/min Keep agitation 10min, obtained silicate excites colloid;
(6) retardant: Trisodium Citrate 0.4%;
(7) dispersion agent: Sodium hexametaphosphate 99 4.0%;
(8) deionized water: 35.9%.
2, a preparation method for the inorganic ecologic coating of algae calcium, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: white diatomite 5.5%, calcium sulphate hemihydrate 18%, shell calcium carbonate 22%, negative ion powder 2.4%, nano titanium oxide 1.5%, silicate excite colloid 10.3%, Trisodium Citrate 0.4%, Sodium hexametaphosphate 99 4.0%, deionized water 35.9% by following weight percentage;
2) combined grinding:
The white diatomite of described 5.5%, the calcium sulphate hemihydrate of 18%, shell calcium carbonate, the negative ion powder of 2.4%, the nano titanium oxide of 1.5% of 22% are carried out mixing vibration grinding, fraction is divided to shine, until grain size category is 1600 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 10.3% silicate excite colloid to insert with whipping appts container in, and the Trisodium Citrate, the Sodium hexametaphosphate 99 of 4.0%, the deionized water of 35.9% that add 0.4% successively carry out high speed dispersion emulsification, form compound, mixing speed is 800r/min, churning time 30min, the obtained inorganic ecologic coating of algae calcium.
According to color demand, first insert the inorganic ecologic coating of above-mentioned algae calcium with in whipping appts container, then the mill base material adding different colours carries out mixing toning, mixing speed is 800r/min, churning time 30min, obtained coloured inorganic ecologic coating of algae calcium.
Embodiment two:
1, the feed composition (the equal percentage of physical measurement unit) of the inorganic ecologic coating of a kind of algae calcium:
(1) algae: white diatomite 8.0%, this white diatomite is through titanium dichloride load or bleaching, and its granularity is 400 orders;
(2) calcic mineral-type matrix: shell calcium carbonate 20%, shell calcium oxide 20%, the whiteness > 85 of this calcic mineral-type matrix, calcium oxide content > 40%, its granularity is 600 orders;
(3) environmental mineral micro mist: negative ion powder 1.8%, sepiolite 2.4%, this environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, its whiteness > 78, and granularity is 400 orders;
(4) nano titanium oxide: 1.5%;
(5) silicate excites colloid: 10.3%, this silicate excites the preparation method of colloid: first by the potassium silicate of 34%, (modulus of potassium silicate is 3.3, degree Beaume is 40, solid content is 30%) insert with chuck heating and stirring device container, add the deionized water of 48.5% again, while 600r/min stirring at low speed, add successively the potassium hydroxide of 2%, 7.75% seaweed gel, 7.75% carrageenin after, heated for controlling temperature is under 100 DEG C of temperature condition, improve rotating speed to 2400r/min Keep agitation 30min, obtained silicate excites colloid;
(6) retardant: Trisodium Citrate 0.4%;
(7) dispersion agent: Sodium hexametaphosphate 99 4.25%;
(8) deionized water: 31.35%.
2, a preparation method for the inorganic ecologic coating of algae calcium, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: white diatomite 8.0%, shell calcium carbonate 20%, shell calcium oxide 20%, negative ion powder 1.8%, sepiolite 2.4%, nano titanium oxide 1.5%, silicate excite colloid 10.3%, Trisodium Citrate 0.4%, Sodium hexametaphosphate 99 4.25%, deionized water 31.35% by following weight percentage;
2) combined grinding:
By the diatomite of described 8.0%, 20% shell calcium carbonate, the shell calcium oxide of 20%, negative ion powder, the sepiolite of 2.4%, the nano titanium oxide of 1.5% of 1.8% carry out mixing vibration grinding, fraction is divided to shine, until grain size category is 1500 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 10.3% silicate excite colloid to insert with whipping appts container in, and the Trisodium Citrate, the Sodium hexametaphosphate 99 of 4.25%, the deionized water of 31.35% that add 0.4% successively carry out high speed dispersion emulsification, form compound, mixing speed is 1000r/min, churning time 50min, the obtained inorganic ecologic coating of algae calcium.
According to color demand, first insert the inorganic ecologic coating of above-mentioned algae calcium with in whipping appts container, then the mill base material adding different colours carries out mixing toning, mixing speed is 1000r/min, churning time 50min, obtained coloured inorganic ecologic coating of algae calcium.
Embodiment three:
1, the feed composition (the equal percentage of physical measurement unit) of the inorganic ecologic coating of a kind of algae calcium:
(1) algae: white diatomite 3.0%, this white diatomite is through titanium dichloride load or bleaching, and its granularity is 500 orders;
(2) calcic mineral-type matrix: calcium sulphate hemihydrate 6%, shell calcium carbonate 20%, dicalcium powder 6%, light calcium carbonate powder 6%, the whiteness > 85 of this calcic mineral-type matrix, calcium oxide content > 40%, its granularity is 500 orders;
(3) environmental mineral micro mist: negative ion powder 1.0%, sea-gull stone micro mist 1.0%, attapulgite 1.0%, sepiolite 1.0%, this environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, its whiteness > 78, granularity is 500 orders;
(4) nano titanium oxide: 2.0%;
(5) silicate excites colloid: 12%, this silicate excites the preparation method of colloid: first by the water glass of 60%, (modulus of water glass is 3.3, degree Beaume is 45, solid content is 33%) insert with chuck heating and stirring device container, add the deionized water of 22.5% again, while 600r/min stirring at low speed, add the sodium hydroxide of 2.5% successively, the konjak gum of 5%, the seaweed gel of 5%, after the carrageenin of 5%, heated for controlling temperature is under 90 DEG C of temperature condition, improve rotating speed to 2200r/min Keep agitation 20min, obtained silicate excites colloid,
(6) retardant: Citric acid monohydrate Food grade 0.3%;
(7) dispersion agent: trisodium phosphate 2.5%;
(8) deionized water: 38.2%.
2, a preparation method for the inorganic ecologic coating of algae calcium, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: white diatomite 3.0%, calcium sulphate hemihydrate 6%, shell calcium carbonate 20%, dicalcium powder 6%, light calcium carbonate powder 6%, negative ion powder 1.0%, sea-gull stone micro mist 1.0%, attapulgite 1.0%, sepiolite 1.0%, nano titanium oxide 2.0%, silicate excite colloid 12%, Citric acid monohydrate Food grade 0.3%, trisodium phosphate 2.5%, deionized water 38.2% by following weight percentage;
2) combined grinding:
By the white diatomite of described 3.0%, 6% calcium sulphate hemihydrate, the shell calcium carbonate of 20%, dicalcium powder, the light calcium carbonate powder of 6%, negative ion powder, the sea-gull stone micro mist of 1.0%, attapulgite, the sepiolite of 1.0%, the nano titanium oxide of 2.0% of 1.0% of 1.0% of 6% carry out mixing vibration grinding, fraction is divided to shine, until grain size category is 1500 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 12% silicate excite colloid to insert with whipping appts container in, and the Citric acid monohydrate Food grade, the trisodium phosphate of 2.5%, the deionized water of 38.2% that add 0.3% successively carry out high speed dispersion emulsification, form compound, mixing speed is 900r/min, churning time 40min, the obtained inorganic ecologic coating of algae calcium.
According to color demand, first insert the inorganic ecologic coating of above-mentioned algae calcium with in whipping appts container, then the mill base material adding different colours carries out mixing toning, mixing speed is 900r/min, churning time 40min, obtained coloured inorganic ecologic coating of algae calcium.
Embodiment four:
1, the feed composition (the equal percentage of physical measurement unit) of the inorganic ecologic coating of a kind of algae calcium:
(1) algae: white diatomite 5.0%, this white diatomite is through titanium dichloride load or bleaching, and its granularity is 400 orders;
(2) calcic mineral-type matrix: shell calcium oxide 40%, the whiteness > 85 of this calcic mineral-type matrix, calcium oxide content > 40%, its granularity is 600 orders;
(3) environmental mineral micro mist: negative ion powder 1.0%, sea-gull stone micro mist 1.0%, attapulgite 1.0%, sepiolite 1.0%, this environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, its whiteness > 78, granularity is 400 orders;
(4) nano titanium oxide: 1.5%;
(5) silicate excites colloid: 8%, this silicate excites the preparation method of colloid: first by the water glass of 52%, (modulus of water glass is 3.3, degree Beaume is 40, solid content is 33%) insert with chuck heating and stirring device container, add the deionized water of 31.8% again, while 600r/min stirring at low speed, add successively the sodium hydroxide of 1.2%, 15% seaweed gel after, heated for controlling temperature is under 100 DEG C of temperature condition, improve rotating speed to 2400r/min Keep agitation 10min, obtained silicate excites colloid;
(6) retardant: Trisodium Citrate 0.1%, Citric acid monohydrate Food grade 0.1%;
(7) dispersion agent: trisodium phosphate 3.0%;
(8) deionized water: 38.3%.
2, a preparation method for the inorganic ecologic coating of algae calcium, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: white diatomite 5.0%, shell calcium oxide 40%, negative ion powder 1.0%, sea-gull stone micro mist 1.0%, attapulgite 1.0%, sepiolite 1.0%, nano titanium oxide 1.5%, silicate excite colloid 8%, Trisodium Citrate 0.1%, Citric acid monohydrate Food grade 0.1%, trisodium phosphate 3.0%, deionized water 38.3% by following weight percentage;
2) combined grinding:
The white diatomite of described 5.0%, the shell calcium oxide of 40%, negative ion powder, the sea-gull stone micro mist of 1.0%, attapulgite, the sepiolite of 1.0%, the nano titanium oxide of 1.5% of 1.0% of 1.0% are carried out mixing vibration grinding, fraction is divided to shine, until grain size category is 1600 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 8% silicate excite colloid to insert with whipping appts container in, and add the Trisodium Citrate of 0.1% successively, Citric acid monohydrate Food grade, the trisodium phosphate of 3.0%, the deionized water of 38.3% of 0.1% carries out high speed dispersion emulsification, form compound, mixing speed is 1000r/min, churning time 30min, the obtained inorganic ecologic coating of algae calcium.
According to color demand, first insert the inorganic ecologic coating of above-mentioned algae calcium with in whipping appts container, then the mill base material adding different colours carries out mixing toning, mixing speed is 800r/min, churning time 50min, obtained coloured inorganic ecologic coating of algae calcium.
Embodiment five: effect example
1, the inorganic ecologic coating coated side of algae calcium of embodiment 1 Raw and preparation is carried out electron-microscope scanning, it is as shown below that result shows its structure, wherein, Fig. 2 is diatom in raw material under 5000 times of micro-Electronic Speculum-calcareous microvoid structure distribution, Fig. 3 be under algae calcium inorganic ecologic coating coated side 5000 times of micro-Electronic Speculum to pore network structure.
2, the traditional performance test result of the inorganic ecologic coating of algae calcium that above-described embodiment 1 ~ 4 is obtained is as table 1:
Table 1 traditional performance test result
As can be seen from Table 1, the coating application property of the inorganic ecologic coating of algae calcium that embodiment 1 ~ 4 is obtained, appearance of film, alkali resistance and abrasion resistance are all better than the standard of national standard to synthetic emulsion coating, and in volatile organic content, benzene, toluene, ethylbenzene, dimethylbenzene summation, free formaldehyde, on the test items such as soluble heavy metal content, be all better than national standard.
3, the ecological property test result of the inorganic ecologic coating of algae calcium that above-described embodiment 1 ~ 4 is obtained is as table 2:
Table 2 ecological property test result
As can be seen from Table 2, the purifying formaldehyde rate result of the inorganic ecologic coating of algae calcium that embodiment 1 ~ 4 is obtained reaches air purifying paint I class, the negative ion amount of inducing reaches clean air (>=1000/cm
3) standard, the moisture uptake of automatic humidity-regulating and moisture releasing amount meet humidity conditioning function indoor building material II class standard.
The above, be only the specific embodiment of the present invention, it should be pointed out that any those of ordinary skill in the art are in the technical scope disclosed by the present invention, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the inorganic ecologic coating of algae calcium, it is characterized in that, the raw material of the inorganic ecologic coating of this algae calcium by weight percentage ratio comprises: algae 3 ~ 8%, calcic mineral-type matrix 37 ~ 40%, environmental mineral micro mist 1.5 ~ 4.2%, nano titanium oxide 1 ~ 2%, silicate excite colloid 8 ~ 12%, retardant 0.15 ~ 0.4%, dispersion agent 2.5 ~ 4.25%, deionized water 30 ~ 41%, and above each component weight percentage sum is 100%.
2. the inorganic ecologic coating of algae calcium according to claim 1, it is characterized in that, the raw material of the inorganic ecologic coating of this algae calcium by weight percentage ratio comprises: algae 5.5 ~ 8%, calcic mineral-type matrix 38 ~ 40%, environmental mineral micro mist 2.4 ~ 4%, nano titanium oxide 1.5 ~ 2%, silicate excite colloid 8 ~ 10.3%, retardant 0.2 ~ 0.4%, dispersion agent 3 ~ 4%, deionized water 35 ~ 40%, and above each component weight percentage sum is 100%.
3. the inorganic ecologic coating of algae calcium according to claim 1 and 2, is characterized in that, described algae is the white diatomite after titanium dichloride load or bleaching, and its granularity is 400 ~ 600 orders.
4. the inorganic ecologic coating of algae calcium according to claim 1 and 2, is characterized in that, described calcic mineral-type matrix is one or more in natural calcium sulphate hemihydrate, shell calcium carbonate, shell calcium oxide, dicalcium powder, light calcium carbonate powder; Whiteness > 85, the calcium oxide content > 40% of described calcic mineral-type matrix, its granularity is 400 ~ 600 orders.
5. the inorganic ecologic coating of algae calcium according to claim 1 and 2, is characterized in that, described environmental mineral micro mist is one or more in negative ion powder, sea-gull stone micro mist, vermiculite power, attapulgite, sepiolite; Described environmental mineral micro mist is the environmental mineral micro mist after doped element or the coated load process of transition element, and its whiteness > 78, granularity is 400 ~ 600 orders.
6. the inorganic ecologic coating of algae calcium according to claim 1 and 2, it is characterized in that, described silicate excites colloid percentage compositely to be formed by the silicate of 40 ~ 60%, alkali metal hydroxide, the xanthan gel of 8 ~ 16%, the deionized water of 21.5 ~ 51.2% of 0.8 ~ 2.5%;
Wherein, described silicate is water glass and/or potassium silicate; The modulus of described silicate is 3.3, and degree Beaume is 40 ~ 45, and solid content is 30 ~ 33%; Described alkali metal hydroxide is sodium hydroxide and/or potassium hydroxide; Described xanthan gel is one or more in konjak gum, carrageenin, seaweed gel.
7. the inorganic ecologic coating of algae calcium according to claim 1 and 2, is characterized in that, described retardant be the Trisodium Citrate of food grade, citric acid, Citric acid monohydrate Food grade one or more; Described dispersion agent is Sodium hexametaphosphate 99 and/or trisodium phosphate.
8. a preparation method for the inorganic ecologic coating of algae calcium, it is characterized in that, it comprises the steps:
1) raw material is taken:
Raw material for standby is taken: algae 3 ~ 8%, calcic mineral-type matrix 37 ~ 40%, environmental mineral micro mist 1.5 ~ 4.2%, nano titanium oxide 1 ~ 2%, silicate excite colloid 8 ~ 12%, retardant 0.15 ~ 0.4%, dispersion agent 2.5 ~ 4.25%, deionized water 30 ~ 41% by following weight percentage;
2) combined grinding:
By the algae of described 3 ~ 8%, 37 ~ 40% calcic mineral-type matrix, the environmental mineral micro mist of 1.5 ~ 4.2%, the nano titanium oxide of 1 ~ 2% carry out mixing vibration grinding, fraction is divided to shine, until grain size category is 1500 ~ 1600 orders, obtained inorganic functional powder;
3) dispersion and emulsion:
By step 2) gained inorganic functional powder and described 8 ~ 12% silicate excite colloid to insert with whipping appts container in, and the retardant, the dispersion agent of 2.5 ~ 4.25%, the deionized water of 30 ~ 41% that add described 0.15 ~ 0.4% successively carry out high speed dispersion emulsification, form compound, mixing speed is 800 ~ 1000r/min, churning time 30 ~ 50min, the obtained inorganic ecologic coating of algae calcium.
9. the preparation method of the inorganic ecologic coating of algae calcium according to claim 8, it is characterized in that, described step 1) mesosilicic acid salt excites the preparation method of colloid to be: first silicate inserted in the container with chuck heating and stirring device, add deionized water again, while 600r/min stirring at low speed, after adding alkali metal hydroxide, xanthan gel successively, heated for controlling temperature is under 80 ~ 100 DEG C of temperature condition, improve rotating speed to 2000 ~ 2400r/min Keep agitation 10 ~ 30min, obtained silicate excites colloid.
10. the preparation method of the inorganic ecologic coating of algae calcium according to claim 8, it is characterized in that, according to color demand, the inorganic ecologic coating of gained algae calcium is inserted with in whipping appts container, the mill base material adding different colours again carries out mixing toning, mixing speed is 800 ~ 1000r/min, churning time 30 ~ 50min, obtained coloured inorganic ecologic coating of algae calcium.
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