CN1109487A - Oily cement paint and preparation method thereof - Google Patents

Abstract

The invention discloses an oily paint which contains solvent-based acrylic acid Ester resin, pigment, toluene, dispersant, wetting agent, anti-settling agent, plasticizer wait. The coating of the present invention is high in quality and low in price, diverse in color, bright in luster, durable in Water washing, alkali resistance, excellent weather resistance, easy construction, in addition to decorative cement Outside the wall, it can also be decorated with asbestos boards, metal materials, wood, etc. use the paint The product texture of the material is rich, and the pattern has a strong sense of three-dimensionality.

Description

Oily cement lacquer and its preparing method

The present invention relates to finishing material, particularly a kind of coating.

Along with development of times, growth in the living standard, the buildings decorating inner and external walls is more and more paid attention to by people.In China's interior exterior wall building and ornament materials in vogue common coating, plastic-blasting, dry doubling face, mosaic, wall tile are arranged at present.The shortcoming that these building and ornament materials in use all exist some to be difficult to overcome.Common coating: efflorescence easy to change, dull coloring does not have brilliance; Plastic-blasting: little poison, dull coloring, construction is complicated; The dry doubling face: dull coloring, generally slightly improve grade and house along the street all is reluctant to use; Wall tile: construction is complicated, and the duration is longer, easily comes off or hurts sb.'s feelings to cause public hazards because of coming off, and the price height, the human consumer is difficult for acceptance.

The purpose of this invention is to provide a kind of oil paint, this coating is particularly suitable for decoration of exterior wall, and overcomes the above-mentioned defective of existing building finishing material.Coating of the present invention can be described as oily cement lacquer, but is not limited in the decoration cement material.

Oil paint of the present invention contains solvent-type acrylic ester resin, toluene, pigment, dispersion agent, wetting agent, anti-settling agent and plasticizer.

Described coating also can further contain defoamer, tackifier and/or prevent the floating agent that divides.

Dispersion agent in the described coating can be any material that plays dissemination therein, for example can be selected from the mixture of polymeric carboxylic and solubility silicon ketone resin.

Described wetting agent can be any material that plays humidification therein, for example can be selected from polyester phosphoric acid salt.

Described anti-settling agent can be any material that prevents precipitating action that rises therein, for example can be treated earth.

Described plasticizer can be any material that plays plastic effect therein, for example can be dioctyl phthalate (DOP) (being abbreviated as DOP).

Described defoamer can be any material that plays the froth breaking effect therein, for example can be selected from non-silicon ketone high molecular polymer.

Described tackifier can be any material that plays viscosifying action therein, for example can be organobentonites.

Described preventing floating divides agent to can be any plaing therein to prevent the floating material that divides effect, for example can be selected from silicon alkane polymkeric substance.

Described pigment can be any material that plays the toning effect therein, preferred especially titanium dioxide.

The preferred weight percent of component is described in the cement paint of the present invention:

Solvent-type acrylic ester resin 15-70%

Pigment 10-50%

Toluene 10-60%

Dispersion agent 0.1-0.8%

Wetting agent 0.1-0.8%

Anti-settling agent 0.1-0.8%

Plasticizer 0.1-0.8%

Defoamer 0.08-0.6%

Tackifier 0.1-0.8%

Prevent the floating agent 0.1-0.8% that divides

Also can further contain lime carbonate in this cement paint, content is preferably 1-10%.

The preparation method of cement paint of the present invention can be pigment and described auxiliary agent are mixed stirring with partial solvent type acrylate resin and part toluene, be ground to below the fineness 30 μ M, add remaining solvent-type acrylic ester resin and toluene again, the even after-filtration of restir gets product.

The principal feature of this finishing material of the present invention is as follows:

1. elegant style is attractive in appearance, and that can comply with the individual likes color and luster, brush out the various trick paint depths arrange in pairs or groups clear lucid and lively, rich texture, the pattern stereoscopic impression of ejection is strong, and the optical effect that shines is mutually arranged, and gives harmony, gracefulness, satisfied, lucid and lively enjoyment.

2. when construction, handle bottom well after, can once brush, do not need loaded down with trivial details chromatography, save a large amount of engineering times, the operating efficiency height, simple to operate, can brushing, roller coating, spraying, fast drying.

3. physicochemical property is excellent, thus because this product belongs to molecular structure glossiness height, washability, good weatherability, alkali resistance is excellent, and ageing resistance is good.As find to pollute available suds repetitive scrubbing, it is clean as new to wash the back, does not fall lacquer.Sunshine, gloss was constant for a long time, and not efflorescence is never faded.

4. permeability is good, the extension globule phenomenon of having avoided general paint or ceramic tile to occur.

5. can alleviate the building structural load and prevent that thing from causing public hazards.

6. of many uses, except that being used for the cement wall decoration, also can decorate furniture, metal, gypsum, asbestos plate, timber etc.Also can be applicable to the place that exterior wall is drenched with rain easy humidity such as place, bathroom, kitchen, lavatory and need often be cleaned in the buildings.

In order to illustrate in greater detail the characteristics of coating of the present invention, its production standard is listed as follows:

Mesh-of-grind	Below the 30 μ m
		Time of drying	Refer to touch in half an hour hard knot 1.5 hours
Water tolerance	Soak 96 hours crack-frees, bubble, peel off, phenomenon such as conversion, and do not have immersion and do not have difference substantially
		Alkali resistance	Soak 10%N a72 hours crack-frees of the OH aqueous solution, bubble, peel off, phenomenon such as conversion, with do not have an immersion relatively do not have a phenomenon such as variable color.
Opacifying power	Every liter more than 7 square metres
		Abrasion resistance	Come and go phenomenons such as scrubbing the crack-free wearing and tearing through 2000 times
Stability	Normal storage did not have caking in 1 year, was easy to mix well
		Heat residual amount	Heat residual amount 40%-80%
Ash content	20%-50%
		Viscosity	80-120ku

The measuring method of each index is:

1. fineness test rules:

Get the test portion of desire survey, stir, be put in the fineness device and be marked as that end of 100 towards oneself, then scraper is at the uniform velocity held level with both hands to that is marked as O perpendicular to fineness device groove length direction and scrape, just there is a successive to change face in the groove, read the initial maximum value that occurs three or three above continuous lines between scale, be fineness.

2. measure time of drying:

A. touch dry: keep flat brassboard at assigned temperature, make to be coated with to face up, touch with finger tip then and be coated with the face centre, when the finger tip non-viscous paint, be touch dry.

B. half hard knot is dry: rub being coated with to wipe on the face gently with finger tip, when the face of being coated with did not have scratch, it was dry to be half hard knot.

C. hard knot is dry: refer to be pressed on the test piece centre with the forefinger brute force with mother, be coated with face and do not have fingerprint and cause the convex-concave place, be coated with on the face back and forth rubbing with finger tip, the face that is coated with does not also have scratch, is hard knot drying.

3. water tolerance measuring method: get 4 suitably the cement plates of size be coated with coating to be surveyed, allow its complete drying, get three then and immerse in the water and be about 4/5ths of test piece length, after a few hours, it has or not foaming the taking-up sight, phenomenon such as peels off.

4. alkali resistance measuring method: get four of test boards that scribble coating, place three of 5%NaOH solution, take out after a few hours, observe being as good as shape.

5. ash content: get the test portion that stirs and put into the porcelain crucible that quality is A, claim that its weight is B, heat, make its ashing, put into the moisture eliminator internal cooling to room temperature, claim that its quality is C, three data just can be regarded as out ash content D%:D=(C-A thus)/(B-A) * 100%.

Annotate: take a sample has for three times twice above (containing twice) to reach standard then to represent by checking.

6. opacifying power: (Pfund's cryptometer) measures it with cryptometer, white black stone plate, and black and dark color are used white slabstone, and other employing black and white two plates of all kinds are measured it.Test portion is placed the recess at the end of cryptometer, glass cover-plate is carefully covered, move repeatedly about then, evenly cover base plate to film, it is degree that the edge of groove be cannot see, and record glass plate front is engraved on numeral on the slabstone, measures number of times, take average number, calculate it according to following formula:

HP＝1/（KL）

In the formula: the permanent number (0.01 or 0.02) of K=

The L=opacifying power is measured numeral

HP=opacifying power (m ²/ 1)

7. abrasion resistance: in the unglazed plastic plate of black (on about 435 * 165 * 0.25mm), the film spreader with 180 μ m gaps applies sample, leave standstill 7 after, spraying paint faces up puts on the testing table of washability trier, and gives horizontal fixed.Earlier treated hairbrush places on the spray plane then, and the limit applies about 450gf(4.4111N) pressure on hairbrush, the limit brushing face that sprays paint.The brushing face is often moistening with suds therebetween, with hairbrush the 1st kind of sample come and gone brushing 1000 times, after equally the 2nd kind of sample being wiped 2000 times, water flushing after trier takes off test piece is inspected under daylight and is sentenced with the 100mm length of hairbrush scratch mark central authorities that not expose ground be qualified.This test is made 2 to same material, and wherein if 1 can washability, promptly looks this sample and is " washability " person.

8. heat residual flow measurement method: get three fritter aluminium platinum, be converted into little square box respectively, each claims its quality A etc. to indicate printed words such as 1,2,3; The test portion of desire survey stirred respectively get about about 1 gram, place respectively in 3 aluminium platinum boxes, claim that again its quality is B etc., all sending into temperature then is to cure 3 hours in 130 ℃ of baking boxs, takes out and to divide its quality of another name C etc. again.A, B, three data of C just can be calculated the residual amount D%:D=(C-A of heating thus)/(B-A) * 100%.

Annotate: sampling (contains) standard that reaches and then represents by check more than three times.

9. viscosity measurement: adopt U.S. Brookfield viscometer, model is ku-1.

The invention is further illustrated by the following examples.

Embodiment:

The present invention's raw materials used (in the bracket is domestic commercially available prod code name, has " platform " printed words to represent the Taiwan product) and weight proportion are as follows:

100 kilograms of solvent-type acrylic ester resins, titanium dioxide (TiO ₂) 65 kilograms, 30 kilograms of toluene, C _aCO ₃7 kilograms, 0.6 kilogram in polymeric carboxylic and solubility silicon ketone resin mixture, polyester phosphoric acid salt (platform 928 ^#, platform OP-10 or DA-50) 0.6 kilogram, non-silicon ketone high molecular polymer (platform DM-6500, platform 066 ^#, or platform 065 ^#) 0.5 kilogram, sex change treated earth (platform VISLOGEL ED, platform 202 ^#, or CP88 ^#) 0.6 kilogram, 0.6 kilogram of dioctyl phthalate (DOP), 0.6 kilogram of organic sex change wilkinite (platform S-BEN or platform B-75), sex change silicon alkane polymkeric substance (platform 913 ^#, or platform PA-3 ^#) 0.6 kilogram.

The preparation method is for sending into 50% acrylate resin and 20 kilograms of toluene and other various raw materials in stirrer with 1200rpm high-speed stirring 30 minutes, send into the sand mill sand milling again to fineness 30 μ m, add remaining toluene and acrylate resin again, middling speed stirred 30 minutes in stirrer, mend evaporable toluene, filter the back packing through filter and get product.

Below cement paint of the present invention and wall tile are compared.

With 1000m ²The decoration of exterior wall planimeter is if use wall tile 45 yuan/m at market price ²Calculate, need 450000 yuan of Renminbi, with 100 employee involvement constructions, maximum for each person every day furring brick 8m ², needing 12 days durations, working hour expense needs 18000 yuan of Renminbi by 15 yuan for each person every day; If use cement paint, 5.6 yuan/m at market price ²Calculating needs 56000 yuan of Renminbi, and same 100 employees do not comprise that for each person every day cutting the wall ash can brush 80m ², so only need the duration more than 1 day, working hour expense needs about 1500 yuan of Renminbi by 15 yuan for each person every day.As seen use cement paint of the present invention can save a large amount of construction funds, obtain fabulous decorative effect simultaneously.Face brick after 10 years discolor on aging come off and can't reequip, and cement paint can complied with the tendency of the day and reproduced new look after 5 years or 10 years.

This product will replace finishing material such as current face brick mosaic, dry doubling face, common coating with advantage such as good and cheap, easy and simple to handle, nontoxic, that color is various.

Claims (10)

1. A paint, characterized in that it contains solvent-based acrylate resin, toluene, pigment, dispersant, wetting agent, anti-settling agent and plasticizer. 2. The paint according to claim 1, characterized in that it further contains a defoamer, a tackifier and/or an anti-floating agent. 3. The paint of claim 1 wherein said pigment is titanium dioxide. 4. The coating according to claim 1, characterized in that said dispersant is a material for dispersing therein; said wetting agent is a material for wetting therein; and said anti-settling agent is for preventing precipitation therein. The material; The plasticizer is the material in which plasticity is played. 5. The coating according to claim 4, characterized in that said dispersant is selected from a mixture of polymer carboxylic acid and soluble silicone resin; said wetting agent is selected from polyester phosphate; said anti-settling agent is activated clay; Described plasticizer is dioctyl phthalate. 6. The coating as claimed in claim 2, characterized in that said defoamer is a material having a defoaming effect therein; said tackifier is a material having a viscosifying effect therein; said anti-floating agent is Among them, it is the material that prevents floating. 7. The coating according to claim 6, characterized in that said defoaming agent is selected from non-silicone polymers; said tackifier is selected from organic bentonite; and said anti-floating agent is selected from silane polymers. 8. The paint according to claim 1, further comprising calcium carbonate. 9. The paint according to any one of claims 1 to 8, characterized in that the weight percentage of said components is: Solvent-based acrylate resin 15-70% Pigment 10-50% Toluene 10-60% Dispersant 0.1-0.8% Wetting agent 0.1-0.8% Anti-settling agent 0.1-0.8% Plasticizer 0.1-0.8% Defoamer 0.08-0.6% Tackifier 0.1-0.8% Anti-floating agent 0.1-0.8% Calcium carbonate 1-10% 10. A method for preparing a coating according to any one of claims 1 to 9, characterized in that the additives and pigments are mixed with part of solvent-based acrylate resin and part of toluene, ground to a fineness of less than 30 μm, and then the remaining solvent-based acrylate resin and toluene, and then filtered after stirring.