CN104909606A

CN104909606A - Painted ceramic stone and production technology thereof

Info

Publication number: CN104909606A
Application number: CN201510230801.1A
Authority: CN
Inventors: 姚伟; 陈勇
Original assignee: Shanghai Beta Building Technology Co Ltd
Current assignee: Shanghai Beta Building Technology Co Ltd
Priority date: 2015-05-08
Filing date: 2015-05-08
Publication date: 2015-09-16
Anticipated expiration: 2035-05-08
Also published as: CN104909606B

Abstract

The invention provides a building decoration coating painted ceramic stone and a production technology thereof. The coating painted ceramic stone adopts 40-80 mesh ceramic sands, the thickness of the coating layer of the above product is 2mm, and the disadvantages of single color, easy efflorescence, insufficient thickness and no crack resistance function of traditional emulsion paints are overcome; the color of the ceramic sands can be sintered arbitrarily, and is stable, so the painted ceramic stone has the advantages of grittiness of texture coatings, no need of any color paste, no color fading risk, uniform particle size, and great reduction of the lapping defect generation; and silica sol is introduced in the formula of the painted ceramic stone, a film composite base material is arrayed in a spherical or subglobular manner, and the surface is flat and compact and has few apertures, so fine dust particles cannot intrude the apertures, and cannot adhere, thereby the coating layer has good contamination resistance.

Description

A kind of Tao Caishi and production technique thereof

Technical field

The invention belongs to decorating building technical field of coatings, particularly relate to a kind of Tao Caishi and fill a prescription and production technique.

Background technology

The exterior coating of current domestic main flow is mainly emulsion paint, true mineral varnish, texture coating three kinds.Emulsion paint is water-dispersible paint, it take synthetic resin emulsion as base-material, filler adds the coating that various auxiliary agent is refined after grinding distribution, and emulsion paint has possessed the many merits different from conventional wall coating materials, and as being easy to brushing, drying is rapid, paint film is water-fast, contamination resistance is good.True mineral varnish is the high build paint that a kind of decorative effect exactly likes marble, grouan, and the main natural stone-powder of shades of colour, the acrylate polymer emulsion of adopting is formulated.Buildings after true mineral varnish finishing, has natural real natural colour, is a kind of rare lithotome substitute, is suitable for the indoor and outdoor decoration of all kinds of buildings.Texture coating is the high build paint processed with natural siliceous sand, color stuffing, acrylate polymer emulsion, and texture coating decoration texture is strong, and three-dimensional decoration makes arbitrarily, has extraordinary decorative effect.

But in existing coating, emulsion paint and texture coating adopt color paste toning, color is single, easily fades through exposing to the sun and rain, weather resistance is not enough, true mineral varnish and texture coating surface pore many, easily be stained with ash, resistance to soiling is poor, simultaneously true mineral varnish thick coating, and time of drying is long, raining as constructed in latter 2 hours, easily being washed out.

Summary of the invention

For solving Problems existing in above-mentioned existing coating, the invention provides a kind of novel building decorative paint pottery colored stone, this coating is without the need to color paste toning, and the smooth imporosity of product surface, resistance to soiling is good, possesses self-cleaning function.

The invention provides following technical scheme:

A kind of Tao Caishi, comprising: Tao Caishi mother liquor and aggregate, wherein the weight ratio of Tao Caishi mother liquor and aggregate is (2-4): (6-8); Described Tao Caishi mother liquor comprises following component by weight proportion: water 250-350 part, sterilant 5-7 part, mould inhibitor 3-5 part, Mierocrystalline cellulose 6-8 part, defoamer 3-5 part, film coalescence aid 15-25 part, ethylene glycol monobutyl ether 8-12 part, propylene glycol 30-50 part, ammoniacal liquor 1-3 part, cleaning additive 80-120 part, sticky object 400-600 part, thickening material 3-5 part; Described aggregate is 40-80 object ceramic sand powder.

Preferably, the weight ratio of described Tao Caishi mother liquor and aggregate is 3:7; Described Tao Caishi mother liquor comprises following component by weight proportion: 302.5 parts, water, 6.5 parts, sterilant, mould inhibitor 4.0 parts, Mierocrystalline cellulose 7.0 parts, defoamer 4.0 parts, film coalescence aid 20.0 parts, ethylene glycol monobutyl ether 10 parts, propylene glycol 40 parts, ammoniacal liquor 2 parts, cleaning additive 100 parts, sticky object 500 parts, thickening material 4 parts.

Described aggregate evenly, and without being narrower than 200 object powders, must be preferably 40-80 order ceramic sand as aggregate.Aggregate adopts the mode of ceramic glaze parcel natural siliceous sand to realize, and ceramic glaze belongs to inorganic high-temp adhesive, has intensity high, good stability, the feature do not faded, and quartz sand resources is extensive, and particle diameter is easy to control.

Described Mierocrystalline cellulose comprises Natvosol (HEC), is preferably the 100000YP2 Mierocrystalline cellulose that Ke Laien Chemical Co., Ltd. produces.100000YP2 viscosity (1% aqueous solution) KU is 85.3, and viscosity (1% aqueous solution) CPS is 2437, and viscosity KU overnight is 85, and viscosity CPS overnight is 2450, and after heat storage, viscosity KU is 79.9.In the present invention, it is high to add the Tao Caishi finished product viscosity after described Mierocrystalline cellulose, water-tolerant, is easy to construction.Selecting at film coalescence aid, the alkoxide TEXANOL that the present invention selects Yi Shi Man to produce is as film coalescence aid, in order to regulate time of drying, adopt ethylene glycol monobutyl ether and TEXANOL to arrange in pairs or groups to use, this is because the evaporation rate of ethylene glycol monobutyl ether is obviously faster than TEXANOL, construct after metope at Tao Caishi, ethylene glycol monobutyl ether migrates to coatingsurface with speed faster, preservation top layer is moistening, along with the moisture of bottom slowly volatilizees, realize bottom synchronous with superficial drying, avoid the lapping defect phenomenon because surface skining causes.

Described cleaning additive is silicon sol, described silicon sol is for base-material with the gluey aqueous solution of superfine silicon-dioxide ultramicron, coordinate polymer emulsion and various auxiliary agent and make silicon sol organo-mineral complexing coating, wherein, described silicon-dioxide ultramicron particle diameter is 450-650nm, is preferably 580nm.Silicon sol solution is when drying out, monomeric silicic acid aggregates into high poly-silica gel gradually, with the evaporation of moisture, colloid molecules increases, finally form-SIO-O-SIO-film: IO-SI-OH+HO-SI-OH because of the content of NA2O in silicon sol low, silicon sol has the characteristic that a certain amount of film forming is dissolved, and its water tolerance, resistance toheat are obviously better than organic coating.By introducing silicon sol, film composite base-material is ball-type or subglobular arrangement, surfacing is fine and close, and hole is less, makes trickle dust particle be difficult to invade its hole, the structure of si-o key belongs to ionic simultaneously, have good electroconductibility, can not produce charge accumulated, dust is difficult to adhere to, therefore, coating self has possessed good contaminated resistance.

Sticky object in described Tao Caishi formula is acrylate copolymer emulsion, has good resistance to water-whitening, remarkable UV resistant xanthochromia and heat-resisting xanthochromia.Preferably, the model selecting Ahmedabad rich Science and Technology Ltd. in Changshu to produce is the sticky object of RS706T, and the stability used in combination of RS-706T and aggregate is very superior.

A preparation method of Tao Caishi, comprises the steps:

(1) Tao Caishi mother liquor is prepared;

(2) the Tao Caishi mother liquor that step (1) is obtained is dropped in true stone lacquer stirrer, according to weight ratio pottery colored stone mother liquor: aggregate is (2-4): the ratio of (6-8) drops into aggregate, carries out stirring with obtained Tao Caishi; Wherein said aggregate is 40-80 object ceramic sand.

Wherein, described preparation Tao Caishi mother liquor comprises the following steps:

A, Jiang Shui, sterilant and mould inhibitor add in dispersion machine, carry out dispersed with stirring with the first rotating speed;

B, keep the first rotating speed, drop into Mierocrystalline cellulose, carry out dispersed with stirring with the second rotating speed, make solution form gel;

The rotating speed of C, setting dispersion machine is the 3rd rotating speed, sequentially drops into defoamer, film coalescence aid, ethylene glycol monobutyl ether, propylene glycol, ammoniacal liquor, silicon sol, adhesive carry out dispersed with stirring;

D, thickening material is mixed with water after, join in dispersion machine, carry out dispersed with stirring with the second rotating speed and obtain Tao Caishi mother liquor.

Wherein, described first rotating speed is 400-500 rev/min, and described second rotating speed is 1200-1800 rev/min, and described 3rd rotating speed is 800-1000 rev/min.

Technical superiority of the present invention is embodied in:

1) by adopting 40-80 order ceramic sand, product coating thickness is 2mm, solves single, the easy efflorescence of traditional emulsion paint color, thickness low LCL without the shortcoming of anti-cracking function;

2) color of ceramic sand can be fired arbitrarily, and colour stable, while the grains of sand sense possessing texture coating, without the need to adding any mill base, without the risk of fading, and uniform particle sizes, in construction process, greatly reduce the generation of lapping defect;

3) by introducing silicon sol, film composite base-material is ball-type or subglobular arrangement, surfacing is fine and close, and hole is less, makes trickle dust particle be difficult to invade its hole, the structure of si-o key belongs to ionic simultaneously, have good electroconductibility, can not produce charge accumulated, dust is difficult to adhere to, therefore, coating self has possessed good contaminated resistance.

Embodiment

In order to understand the present invention further, below in conjunction with embodiment, pottery colored stone provided by the invention is specifically described.

Embodiment 1

The present embodiment mainly chooses the cleaning additive in Tao Caishi formula.

Automatically cleaning auxiliary agent in the market for building coating mainly contains: (1) hydrophobic automatically cleaning is theoretical, and people develop the coatingsurface of low surface energy, simulation lotus leaf surface, and to reach self-cleaning object, representative products is LC-808 lotus leaf auxiliary agent; (2) silicon sol; (3) be hydrophilicly resistance toly stained with theory, the hydrophilic coatingsurface that makes is easy to be spontaneously wet out by water, and the pollutant sticking to surface is easily flushed away, and representative products is X-405 wetting agent; (4) micro-powder of film, adds the pigment being easy to efflorescence in coating, the pigment of efflorescence and pollutant is taken away together during rain drop erosion, and representative products is 1250 order talcum powder.

According to the method for testing performance in industry standard JG/T24-2000 " SAND SLURRY SYNTHETIC EMULSION ARCHITECTURAL COATINGS ", carry out Experimental comparison in conjunction with above theory, the automatically cleaning auxiliary agent that the present embodiment chooses the different mechanism of action on market is tested by table 1 formula:

Table 1 adds different automatically cleaning auxiliary agent in filling a prescription

Starting material	Formula 1	Formula 2	Formula 3	Formula 4	Formula 5
						Water	478	478	478	478	478
Mierocrystalline cellulose	7.7	7.7	7.7	7.7	7.7
						Emulsion	180	180	150	180	180
Ethylene glycol	14	14	14	14	14
						Alcohol ester-12	14	14	14	14	14
Defoamer	2.8	2.8	2.8	2.8	2.8
						Mould inhibitor	1.4	1.4	1.4	1.4	1.4
Ammoniacal liquor	1.4	1.4	1.4	1.4	1.4
						Sanitas	0.7	0.7	0.7	0.7	0.7
Ceramic sand	300	300	300	280	300
						LC-808 lotus leaf helps		5

Agent
		Silicon sol	30
1250 order talcum powder	20
		X-405 wetting agent		2

By the finished product plate-making prepared, be placed in outdoor exposure frame.Contrast with the plate putting indoor, result is as shown in table 2:

Table 2 adds the open air that different cleaning auxiliary agent obtains finished product plate-making and to be exposed to the sun result

By testing proof above, the Antifouling mechanism of 2 hydrophobic mechanisms of filling a prescription is inoperative for natural pollution, and due to surface hydrophobicity, rainwater cannot rinse the pollutent on surface.Hydrophobicity metope is dry, easily produces electrostatic, easy adsorption zone electropollution composition granule.The lipophilicity of hydrophobic surface, causes the oiliness dust of automobile in city, plant emissions to be easy to absorption.4 material efflorescence of filling a prescription cause variable color, and 5 hydrophilic aids of filling a prescription cause water tolerance to be deteriorated.

Formula 3 is by introducing silicon sol, and the raising for contaminated resistance is greatly improved.Silicon sol is that coordinate polymer emulsion and various auxiliary agent and make silicon sol organo-mineral complexing coating, wherein, described silicon-dioxide ultramicron particle diameter is 580nm with the gluey aqueous solution of superfine silicon-dioxide ultramicron for base-material.Silicon sol solution is when drying out, monomeric silicic acid aggregates into high poly-silica gel gradually, with the evaporation of moisture, colloid molecules increases, finally form-SIO-O-SIO-film: IO-SI-OH+HO-SI-OH because of the content of NA2O in silicon sol low, silicon sol has the characteristic that a certain amount of film forming is dissolved, and its water tolerance, resistance toheat are obviously better than organic coating.By introducing silicon sol, film composite base-material is ball-type or subglobular arrangement, surfacing is fine and close, and hole is less, makes trickle dust particle be difficult to invade its hole, the structure of si-o key belongs to ionic simultaneously, have good electroconductibility, can not produce charge accumulated, dust is difficult to adhere to, therefore, coating self has possessed good contaminated resistance.

Embodiment 2

The present embodiment mainly chooses the Mierocrystalline cellulose in Tao Caishi formula.The application property of Tao Caishi is mainly by the impact of thickened systems, solvent, we need the application property usually being adjusted coating by the selected fiber added, according to the method for testing performance in industry standard JG/T24-2000 " SAND SLURRY SYNTHETIC EMULSION ARCHITECTURAL COATINGS ", the present embodiment to be chosen on market conventional several Mierocrystalline celluloses and is added in emulsion and carry out contrast test, and result is as shown in table 3:

The different Mierocrystalline cellulose performance comparison of table 3

Mierocrystalline cellulose in above table is used for the formula in table 4:

Each composition quality number in table 4 formula

Starting material	Formula 1
		Water	478
Mierocrystalline cellulose	7.7
		Emulsion	150
Ethylene glycol	14
		Alcohol ester-12	14
Defoamer	2.8
		Mould inhibitor	1.4
Ammoniacal liquor	1.4
		Sanitas	0.7
Ceramic sand	300
		Silicon sol	30

Several different Mierocrystalline cellulose correlation data is as shown in table 5.

The Tao Caishi end properties that the different Mierocrystalline cellulose of table 5 is obtained

Note: application property represents with 1-5, wherein 5 is best, and 1 for constructing.

Comprehensive properties, 100000YP2 Mierocrystalline cellulose is best.

Embodiment 3:

Preferably, in Tao Caishi formula, wherein sterilant and the mould inhibitor sterilant LEX that all adopts Rhom and Hass of the U.S. to produce and mould inhibitor 363, the model that Mierocrystalline cellulose selects Ke Laien Chemical Co., Ltd. to produce is the Mierocrystalline cellulose of 100000YP2, selecting at film coalescence aid, the alkoxide TEXANOL that the present embodiment selects Yi Shi Man to produce is as film coalescence aid, A-203 selected by defoamer, the model that sticky object selects Ahmedabad rich Science and Technology Ltd. in Changshu to produce is the sticky object of RS706T, the TT615 that thickening material selects Rhom and Hass of the U.S. to produce.

Tao Caishi finished product is prepared according to the formula in table 6.

Table 6 is made pottery colored stone formula

Embodiment 4

Such as with reference to the preparation method of Tao Caishi formula one, the Tao Caishi listed by table 6, comprise the steps:

(1) added successively in order in high speed dispersor by the mould inhibitor of the sterilant of the water of 298.5 weight parts, 6.5 weight parts and 4.0 weight parts, dispersing speed is 450 revs/min;

(2) speed of high speed dispersor 450 revs/min is kept, the Mierocrystalline cellulose 100000YP2 of slow input 7.0 weight part, after finishing, sets 1500 revs/min of high speed dispersion 10 minutes by dispersing speed, treat that Mierocrystalline cellulose dissolves completely, after material gel, carry out next step operation again;

(3) speed of setting high-speed dispersion machine 1000 revs/min, drops into the material defoamer A-203 of 4.0 weight parts, the film coalescence aid TEXANOL of 20 weight parts, the ethylene glycol monobutyl ether of 10 weight parts, the propylene glycol of 40 weight parts, the ammoniacal liquor of 2 weight parts, the silicon sol of 100 weight parts, the rich pure-acrylic emulsion 706T of sticky object Ahmedabad of 500 weight parts in order;

(4) after first being mixed in bucket with the water of 4 weight parts by the thickening material TT615 of 4 weight parts, more slowly pour in the dispersion machine of step 3,1500 revs/min of high-speed stirring obtain Tao Caishi mother liquor in 10 minutes;

(5) the Tao Caishi mother liquor that step (4) is obtained is dropped in true stone lacquer stirrer, according to weight ratio pottery colored stone mother liquor: aggregate is that the ratio of 3:7 drops into aggregate, stirs 10 minutes, obtained Tao Caishi; Described aggregate is 40-80 object ceramic sand.

It should be noted that, above-described embodiment belongs to preferred embodiment, not for the restriction to the application.Above to present application has been detailed introduction, applying specific case herein and setting forth the principle of the application and embodiment, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.

Claims

1. a Tao Caishi, comprising: Tao Caishi mother liquor and aggregate, and wherein the weight ratio of Tao Caishi mother liquor and aggregate is (2-4): (6-8); Described Tao Caishi mother liquor comprises following component by weight proportion: water 250-350 part, sterilant 5-7 part, mould inhibitor 3-5 part, Mierocrystalline cellulose 6-8 part, defoamer 3-5 part, film coalescence aid 15-25 part, ethylene glycol monobutyl ether 8-12 part, propylene glycol 30-50 part, ammoniacal liquor 1-3 part, cleaning additive 80-120 part, sticky object 400-600 part, thickening material 3-5 part; Described aggregate is 40-80 object ceramic sand powder.

2. Tao Caishi as claimed in claim 1, is characterized in that: described aggregate is the natural siliceous sand of parcel ceramic glaze.

3. Tao Caishi as claimed in claim 1, is characterized in that: described Mierocrystalline cellulose comprises Natvosol (HEC).

4. Tao Caishi as claimed in claim 3, is characterized in that: described Mierocrystalline cellulose is 100000YP2 Mierocrystalline cellulose.

5. Tao Caishi as claimed in claim 1, is characterized in that: described cleaning additive is silicon sol.

6. Tao Caishi as claimed in claim 5, it is characterized in that: described silicon sol is for base-material with the gluey aqueous solution of silicon-dioxide ultramicron, coordinate polymer emulsion and auxiliary agent and the silicon sol organo-mineral complexing coating made, described silicon-dioxide ultramicron particle diameter is 450-650nm.

7. Tao Caishi as claimed in claim 1, is characterized in that: described sticky object is acrylate copolymer emulsion.

8. a preparation method of Tao Caishi, comprises the steps:

(1) Tao Caishi mother liquor is prepared;

9. preparation method as claimed in claim 8, is characterized in that: described preparation Tao Caishi mother liquor comprises the following steps:

10. preparation method according to claim 9, is characterized in that: described first rotating speed is 400-500 rev/min, and described second rotating speed is 1200-1800 rev/min, and described 3rd rotating speed is 800-1000 rev/min.