CN104130655A - High-viscosity anti-cracking coating - Google Patents

Abstract

The invention discloses a high-viscosity anti-cracking coating which is characterized by being composed of the following raw materials in parts by weight: 61.2-70 parts of an acrylate emulsion, 2.2-4 parts of short- and long-chain acyl triglyceride molecules, 0.6-1.4 parts of isocetyl polyoxyethylene ether stearate, 2-4.3 parts of borax, 1.5-2 parts of ammonium polyphosphate, 2-3.5 parts of 1,4-cyclohexanedimethanol, 1-2 parts of ethyl naphthol, 2.3-3 parts of polyethylene glycol 1000, 0.1-0.2 part of dichloro-silane, 16.5-20 parts of nano bentonite, 4.5-7 parts of light calcium carbonate, 6-8 parts of a coalescing agent, and 30-50 parts of deionized water. The coating is hard in coating films, good in wear resistance and strong in adhesion, has a good water resistance, is especially suitable for coating of inner walls, external walls, roofs and the like; and the nano bentonite, isocetyl polyoxyethylene ether stearate, polyethylene glycol 1000 and the like are added in the ingredients, so that the coating is good in binding power, resistant to cracking, and durable in use.

Description

A kind of high sticky crack resisting coating

Technical field

The present invention relates generally to paint field, relates in particular to a kind of high sticky crack resisting coating.

Background technology

Wall vinylformic acid gloss emulsion paint, it is all thin coating, it take organic polymer material as main film forming substance, add different pigment, filler and aggregate and the scumbling material made, have water-fast, acidproof, alkaline-resisting, the features such as freeze-thaw-, the function imperfection that current coating on the market has, there is defect, the main drawback of this coating is that painting film elasticity is easily aging, cause extensibility to decline, can not effectively protect the intensity of wall plaster bottom, thereby produce metope cracking, come off, not only affect buildings attractive in appearance, and metope cracking, cause metope to leak.

Summary of the invention

The object of the invention is just to provide a kind of high sticky crack resisting coating.

The present invention is achieved by the following technical solutions:

A high sticky crack resisting coating, is characterized in that what it was comprised of the raw material of following weight parts:

Acrylic ester emulsion 61.2-70, short and long-chain acyl triglyceride molecules 2.2-4, different hexadecanol Soxylat A 25-7 stearate 0.6-1.4, borax 2-4.3, ammonium polyphosphate 1.5-2,1,4 cyclohexane dimethanol 2-3.5, ethyl naphthol 1-2, cetomacrogol 1000 2.3-3, dichlorosilane 0.1-0.2, nano-bentonite 16.5-20, light calcium carbonate 4.5-7, film coalescence aid 6-8, deionized water 30-50;

Described film coalescence aid is comprised of the raw material of following weight parts:

Acrylate 12-20, Amino Trimethylene Phosphonic Acid 1-2, disodium ethylene diamine tetraacetate 2-3, aminopropyl triethoxysilane 0.1-1, Oleum Hippophae 1-2, Potassium Persulphate 0.7-2, water 50-60;

Acrylate is mixed with aminopropyl triethoxysilane, be uniformly mixed 4-7 minute at 50-60 ℃, join in above-mentioned water, under agitation condition, add Potassium Persulphate, stir;

Disodium ethylene diamine tetraacetate is mixed with Amino Trimethylene Phosphonic Acid, after stirring, add Oleum Hippophae, at 50-60 ℃, be uniformly mixed 3-5 minute, be cooled to normal temperature;

Each raw material after above-mentioned processing is mixed with each raw material of residue, and 800-1000 rev/min of dispersed with stirring 20-30 minute, obtains described film coalescence aid.

A preparation method for high sticky crack resisting coating, comprises the following steps:

(1) nano-bentonite, light calcium carbonate are mixed, add ethyl naphthol, cetomacrogol 1000, at 50-60 ℃, be uniformly mixed 10-20 minute, cooling, ball milling is even;

(2) borax, ammonium polyphosphate are mixed, add short and long-chain acyl triglyceride molecules, be uniformly mixed 6-10 minute at 40-50 ℃, ball milling is even;

(3) acrylic ester emulsion is mixed with different hexadecanol Soxylat A 25-7 stearate, after stirring, join in deionized water 60-100 rev/min of dispersed with stirring 10-15 minute;

(4) each raw material after above-mentioned processing is mixed with each raw material of residue, 600-700 rev/min of dispersed with stirring 30-40 minute, is ground to fineness 10-15 μ m through sand mill, filters, and obtains the sticky crack resisting coating of described height.

Advantage of the present invention is:

Coating paint film of the present invention is hard, wear resistance good, strong adhesion, and has good water tolerance, is specially adapted to interior wall, the coatings such as exterior wall and roof; And in food ingredient, added nano-bentonite, different hexadecanol Soxylat A 25-7 stearate, cetomacrogol 1000 etc., and cohesive force is good, and cracking resistance is durable in use.

Embodiment

Embodiment 1

A high sticky crack resisting coating, it is comprised of the raw material of following weight parts:

Acrylic ester emulsion 61.2, short and long-chain acyl triglyceride molecules 2.2, different hexadecanol Soxylat A 25-7 stearate 0.6, borax 4.3, ammonium polyphosphate 1.5,1,4 cyclohexane dimethanol 3.5, ethyl naphthol 2, cetomacrogol 1000 2.3, dichlorosilane 0.2, nano-bentonite 16.5, light calcium carbonate 4.5, film coalescence aid 6, deionized water 50;

Described film coalescence aid is comprised of the raw material of following weight parts:

Acrylate 20, Amino Trimethylene Phosphonic Acid 2, disodium ethylene diamine tetraacetate 2, aminopropyl triethoxysilane 0.1, Oleum Hippophae 1-, Potassium Persulphate 0.7, water 60;

Acrylate is mixed with aminopropyl triethoxysilane, be uniformly mixed 7 minutes at 60 ℃, join in above-mentioned water, under agitation condition, add Potassium Persulphate, stir;

Disodium ethylene diamine tetraacetate is mixed with Amino Trimethylene Phosphonic Acid, after stirring, add Oleum Hippophae, at 50-60 ℃, be uniformly mixed 3-5 minute, be cooled to normal temperature;

Each raw material after above-mentioned processing is mixed with each raw material of residue, and 1000 revs/min of dispersed with stirring 20 minutes, obtain described film coalescence aid.

A preparation method for high sticky crack resisting coating, comprises the following steps:

(1) nano-bentonite, light calcium carbonate are mixed, add ethyl naphthol, cetomacrogol 1000, be uniformly mixed 20 minutes at 60 ℃, cooling, ball milling is even;

(2) borax, ammonium polyphosphate are mixed, add short and long-chain acyl triglyceride molecules, be uniformly mixed 10 minutes at 50 ℃, ball milling is even;

(3) acrylic ester emulsion is mixed with different hexadecanol Soxylat A 25-7 stearate, after stirring, join in deionized water, 100 revs/min of dispersed with stirring 15 minutes;

(4) each raw material after above-mentioned processing is mixed with each raw material of residue, 700 revs/min of dispersed with stirring 40 minutes, are ground to fineness 15 μ m through sand mill, filter, and obtain described height and glue crack resisting coating.

Using method:

Coating of the present invention, when construction, requires building wall to want water in advance mud putty to criticize flat, dry, and brushing back cover coating 1-2 road is dry, then, sprays coating of the present invention, and thickness is that 2-3 millimeter is advisable, and then with grain roller, carries out roll-in at once;

Performance test:

Paint film appearance is full, smooth, good without lump, glossiness;

Water tolerance: 200h is without extremely;

Acid resistance: 240h is without extremely;

Alkali resistance: 200h is without extremely;

Low-temperature stability: 3 circulations are never degenerated;

Artificial ageing resistance test: 1000 hours non-foaming, do not peel off, flawless.

Claims (2)

1. a high sticky crack resisting coating, is characterized in that what it was comprised of the raw material of following weight parts:

Acrylic ester emulsion 61.2-70, short and long-chain acyl triglyceride molecules 2.2-4, different hexadecanol Soxylat A 25-7 stearate 0.6-1.4, borax 2-4.3, ammonium polyphosphate 1.5-2,1,4 cyclohexane dimethanol 2-3.5, ethyl naphthol 1-2, cetomacrogol 1000 2.3-3, dichlorosilane 0.1-0.2, nano-bentonite 16.5-20, light calcium carbonate 4.5-7, film coalescence aid 6-8, deionized water 30-50;

Described film coalescence aid is comprised of the raw material of following weight parts:

Acrylate 12-20, Amino Trimethylene Phosphonic Acid 1-2, disodium ethylene diamine tetraacetate 2-3, aminopropyl triethoxysilane 0.1-1, Oleum Hippophae 1-2, Potassium Persulphate 0.7-2, water 50-60;

Acrylate is mixed with aminopropyl triethoxysilane, be uniformly mixed 4-7 minute at 50-60 ℃, join in above-mentioned water, under agitation condition, add Potassium Persulphate, stir;

Disodium ethylene diamine tetraacetate is mixed with Amino Trimethylene Phosphonic Acid, after stirring, add Oleum Hippophae, at 50-60 ℃, be uniformly mixed 3-5 minute, be cooled to normal temperature;

Each raw material after above-mentioned processing is mixed with each raw material of residue, and 800-1000 rev/min of dispersed with stirring 20-30 minute, obtains described film coalescence aid.

2. height as claimed in claim 1 glues a preparation method for crack resisting coating, it is characterized in that comprising the following steps:

(1) nano-bentonite, light calcium carbonate are mixed, add ethyl naphthol, cetomacrogol 1000, at 50-60 ℃, be uniformly mixed 10-20 minute, cooling, ball milling is even;

(2) borax, ammonium polyphosphate are mixed, add short and long-chain acyl triglyceride molecules, be uniformly mixed 6-10 minute at 40-50 ℃, ball milling is even;

(3) acrylic ester emulsion is mixed with different hexadecanol Soxylat A 25-7 stearate, after stirring, join in deionized water 60-100 rev/min of dispersed with stirring 10-15 minute;

(4) each raw material after above-mentioned processing is mixed with each raw material of residue, 600-700 rev/min of dispersed with stirring 30-40 minute, is ground to fineness 10-15 μ m through sand mill, filters, and obtains the sticky crack resisting coating of described height.