CN104673089A - High-efficiency durable waterproof coating and preparation method thereof - Google Patents

Abstract

The invention discloses a high-efficiency durable waterproof coating. The high-efficiency durable waterproof coating is characterized by being prepared from the following raw materials in parts by weight: 20-45 parts of an organic silicon rubber latex, 3-8 parts of an organic silicon water repellent, 2-7 parts of a pre-prepared graphene dispersoid, 0.1-0.6 part of an emulsion type defoamer, 0.1-0.6 part of sodium carboxymethyl cellulose, 6-9 parts of heavy calcium carbonate, 3-5 parts of titanium dioxide, 1-2 parts of phenethylphenol polyoxyethylene ether, 5-8 parts of aluminum paste, 4-7 parts of a jade powder and 2-4 parts of butyl acetate. The high-efficiency durable waterproof coating integrates the function of an elastic waterproof coating with the function of a water permeation resistant coating, has lasting weather resistance and water repellency due to the addition of graphene and can be used for underground foundations of buildings such as basements, tunnel bridges, subways and swimming pools to repel water so that the underground foundations do not need to be repaired in a long time. In addition, the high-efficiency durable waterproof coating is durable and friendly to environment and has the advantages of good water permeation resistance, short construction period and high efficiency.

Description

A kind of highly efficient durable waterproof paint and preparation method thereof

Technical field

The present invention relates to a kind of coating and preparation method thereof, particularly a kind of highly efficient durable waterproof paint and preparation method thereof.

Background technology

Graphene is a kind of novel material of the individual layer sheet structure be made up of carbon atom, known the thinnest at present, the material that intensity is the highest, there is excellent conduction, heat conduction, the characteristic such as anticorrosive, coating can form the structure nano net of a parcel microballon after adding Graphene, can the ultraviolet of scattering 85% and the infrared rays of 99%, there is defencive function to coating and body of wall; Graphene coating reticulated structure possesses performance of expanding with heat and contract with cold, and makes coating more firm like this, plays shielding effect simultaneously, thus coating weathering resistance is improved greatly to the atmospheric factor of eating texture mortar; Also there is excellent thermal conductivity, energy-saving and cost-reducing effect.Along with development and the refinement of domestic coating industry, market is also more and more outstanding to the requirement with special functional coating, and wherein, waterproof anti-aging for coating for building, the performance requriements such as durable, fire-retardant are more increased.The present invention is directed to the performances such as perviousness, sticking power, preservative property, film-forming properties, weathering resistance and the opacifying power that this situation adds Graphene, aluminum paste improves coating; Also there is high temperature resistant, low temperature resistant, good resistance to deterioration performance; Have good cohesiveness, perviousness good percentage elongation to material of construction such as sand-cement slurry, concrete substrate, timber, pottery, glass, anti-uv-ray is excellent; Nontoxic, tasteless, pollution-free, environmental protection; Single component, safe and reliable, simple to operate, easy construction, the reduction of erection time.

Summary of the invention

The object of this invention is to provide a kind of highly efficient durable waterproof paint and preparation method thereof.

In order to realize object of the present invention, the present invention is by following scheme implementation:

A kind of highly efficient durable waterproof paint, is made up of the raw material of following weight part: organosilicon rubber emulsion 20-45, waterproofing agent of organosilicon 3-8, the prefabricated dispersion 2-7 of Graphene, emulsion type defoaming agent 0.1-0.6, Xylo-Mucine 0.1-0.6, water-ground limestone 6-9, titanium dioxide 3-5, styroyl phenol polyethenoxy ether 1-2, aluminum paste 5-8, jade powder 4-7, N-BUTYL ACETATE 2-4;

The prefabricated dispersion of described Graphene is made up of the raw material of following weight part: Graphite Powder 99 10-15, silane resin acceptor kh-550 1-2, dehydrated alcohol 20-40, hydrazine hydrate 2-4, DMF 5-8, distilled water 80-120, preparation method adopts Hummers method that Graphite Powder 99 is prepared into graphite oxide, graphite oxide is scattered in distilled water, ultrasonic vibration peels off 30-40 minute, after ultrasonic end under the rotating speed of 2500-2600 rev/min centrifugal 25-35 minute, get its supernatant liquor, slowly add the ethanolic soln of silane resin acceptor kh-550 while stirring, continue reaction 1-2 hour, add hydrazine hydrate reduction reaction 2-3 hour under 95-100 ° of C again, use dehydrated alcohol and distilled water wash products therefrom again, again by this product ultrasonic disperse in volume ratio be the N of 9:1, in the mixing solutions of dinethylformamide and distilled water, obtain the prefabricated dispersion of Graphene,

Described emulsion type defoaming agent is made up of the raw material of following weight part: IPBC 1-2, polysiloxane 10-15, sorbitan monooleate 0.2-0.4, polyoxyethylene 20 sorbitan monolaurate 0.3-0.4, deionized water 10-20, aniline triethyl Trimethoxy silane 1-2, polyvinyl ether 1-2, water drain silica 3-5, polyoxyethylene glycol 1-2, Red copper oxide 1-2, calcium ricinoleate 0.5-0.7; Preparation method is (1) by anilinomethyl triethoxysilane and water drain silica mixing, then adds polysiloxane reacting by heating 1-2 hour while stirring under 120-150 ° of C, is cooled to room temperature after reaction terminates; (2) sorbitan monooleate and polyoxyethylene 20 sorbitan monolaurate are mixed, be heated to 40-60 ° of C, be added in the product of step (1), all the other remaining compositions beyond deionizing water are added again after high-speed stirring 20-40 minute, control temperature at 70-80 ° of C, stirring at low speed; (3) by deionized water slowly, at the uniform velocity be added in step (2), Temperature fall while stirring, when temperature is down to room temperature, stop stir, by gained material colloidal mill grinding can obtain emulsion type defoaming agent 2-3 time.

A kind of highly efficient durable waterproof paint of the present invention, be made up of following concrete steps:

(1) organosilicon rubber emulsion, aluminum paste are added in reactor, open machine and stir with the rotating speed of 500 revs/min, add waterproofing agent of organosilicon, dispersion 5-6 minute, then add the prefabricated dispersion of Graphene, continue to stir 5-7 minute;

(2) emulsion type defoaming agent of 50-60% weight part in formula is added in step (1), dispersed with stirring 5-7 minute, add Xylo-Mucine dispersion again and can't see particle to dissolving completely in 8-10 minute, now improve rotating speed to 800 rev/min, then add titanium dioxide, jade powder and water-ground limestone dispersed with stirring 15-20 minute;

(3) emulsion type defoaming agent of residual content in formula is added in step (2), then adds all the other remaining composition dispersion 5-10 minute, then filter through colloidal mill speed lapping and obtain product.

Advantage of the present invention is: elastic water-proof coating and impenetrable waterproof layer two kinds of functions combine by waterproof paint of the present invention, the Graphene added realizes super weathering resistance of a specified duration and hydrophobic nature, coating of the present invention may be used for buildings underground foundation waterproof, vault, tunnel bridge, subway, swimming pool etc., easy construction, need not reprocess for a long time, durable environmental protection, leakage resistance is good, and the construction period is short, and efficiency is high.

specific embodiments

Below by specific examples, the present invention is described in detail.

A kind of highly efficient durable waterproof paint, is made up of the raw material of following weight part (kilogram): the prefabricated dispersion 4 of organosilicon rubber emulsion 39, waterproofing agent of organosilicon 6, Graphene, emulsion type defoaming agent 0.4, Xylo-Mucine 0.6, water-ground limestone 8, titanium dioxide 4, styroyl phenol polyethenoxy ether 1, aluminum paste 7, jade powder 6, N-BUTYL ACETATE 3;

The prefabricated dispersion of described Graphene is made up of the raw material of following weight part (kilogram): Graphite Powder 99 10, silane resin acceptor kh-550 2, dehydrated alcohol 40, hydrazine hydrate 2, DMF 7, distilled water 120, preparation method adopts Hummers method that Graphite Powder 99 is prepared into graphite oxide, graphite oxide is scattered in distilled water, ultrasonic vibration peels off 30-40 minute, after ultrasonic end under the rotating speed of 2500-2600 rev/min centrifugal 25-35 minute, get its supernatant liquor, slowly add the ethanolic soln of silane resin acceptor kh-550 while stirring, continue reaction 1-2 hour, add hydrazine hydrate reduction reaction 2-3 hour under 95-100 ° of C again, use dehydrated alcohol and distilled water wash products therefrom again, again by this product ultrasonic disperse in volume ratio be the N of 9:1, in the mixing solutions of dinethylformamide and distilled water, obtain the prefabricated dispersion of Graphene,

Described emulsion type defoaming agent is made up of the raw material of following weight part (kilogram): IPBC 1, polysiloxane 12, sorbitan monooleate 0.3, polyoxyethylene 20 sorbitan monolaurate 0.3, deionized water 16, aniline triethyl Trimethoxy silane 1, polyvinyl ether 2, water drain silica 4, polyoxyethylene glycol 1, Red copper oxide 2, calcium ricinoleate 0.6; Preparation method is (1) by anilinomethyl triethoxysilane and water drain silica mixing, then adds polysiloxane reacting by heating 1-2 hour while stirring under 120-150 ° of C, is cooled to room temperature after reaction terminates; (2) sorbitan monooleate and polyoxyethylene 20 sorbitan monolaurate are mixed, be heated to 40-60 ° of C, be added in the product of step (1), all the other remaining compositions beyond deionizing water are added again after high-speed stirring 20-40 minute, control temperature at 70-80 ° of C, stirring at low speed; (3) by deionized water slowly, at the uniform velocity be added in step (2), Temperature fall while stirring, when temperature is down to room temperature, stop stir, by gained material colloidal mill grinding can obtain emulsion type defoaming agent 2-3 time.

A kind of highly efficient durable waterproof paint of the present invention, be made up of following concrete steps:

(1) organosilicon rubber emulsion, aluminum paste are added in reactor, open machine and stir with the rotating speed of 500 revs/min, add waterproofing agent of organosilicon, dispersion 5-6 minute, then add the prefabricated dispersion of Graphene, continue to stir 5-7 minute;

(2) emulsion type defoaming agent of 50-60% weight part in formula is added in step (1), dispersed with stirring 5-7 minute, add Xylo-Mucine dispersion again and can't see particle to dissolving completely in 8-10 minute, now improve rotating speed to 800 rev/min, then add titanium dioxide, jade powder and water-ground limestone dispersed with stirring 15-20 minute;

(3) emulsion type defoaming agent of residual content in formula is added in step (2), then adds all the other remaining composition dispersion 5-10 minute, then filter through colloidal mill speed lapping and obtain product.

Through detecting, the waterproof paint of above-described embodiment gained has following characteristic:

Alkali resistance experiment (saturated calcium hydroxide and 0.1% sodium hydroxide mixing solutions, 15 ° of C soak 15 days): do not play drum, do not come off;

Thermotolerance experiment (100 ± 1 DEG C, 6 hours): do not play drum, do not trickle, do not come off;

Heating expansion and contraction (%): extend≤1, shortens≤1;

Watertightness (0.5 MPa, 30min): waterproof;

Tensile strength > 1.5MPa;

Elongation at break > 300%;

Low temperature flexibility (around Φ 10mm rod) :-20 ° of C flawlesses;

Stretching strength retentivity (%) after burin-in process:

Heat treated > 100;

UV treatment > 100;

The alkaline purification sodium hydroxide mixing solutions of 0.1% (the saturated calcium hydroxide and) > 100;

Acid treatment (20% H2SO4 soaks) > 100.

Claims (2)

1. a highly efficient durable waterproof paint, it is characterized in that, be made up of the raw material of following weight part: organosilicon rubber emulsion 20-45, waterproofing agent of organosilicon 3-8, the prefabricated dispersion 2-7 of Graphene, emulsion type defoaming agent 0.1-0.6, Xylo-Mucine 0.1-0.6, water-ground limestone 6-9, titanium dioxide 3-5, styroyl phenol polyethenoxy ether 1-2, aluminum paste 5-8, jade powder 4-7, N-BUTYL ACETATE 2-4;

The prefabricated dispersion of described Graphene is made up of the raw material of following weight part: Graphite Powder 99 10-15, silane resin acceptor kh-550 1-2, dehydrated alcohol 20-40, hydrazine hydrate 2-4, DMF 5-8, distilled water 80-120, preparation method adopts Hummers method that Graphite Powder 99 is prepared into graphite oxide, graphite oxide is scattered in distilled water, ultrasonic vibration peels off 30-40 minute, after ultrasonic end under the rotating speed of 2500-2600 rev/min centrifugal 25-35 minute, get its supernatant liquor, slowly add the ethanolic soln of silane resin acceptor kh-550 while stirring, continue reaction 1-2 hour, add hydrazine hydrate reduction reaction 2-3 hour under 95-100 ° of C again, use dehydrated alcohol and distilled water wash products therefrom again, again by this product ultrasonic disperse in volume ratio be the N of 9:1, in the mixing solutions of dinethylformamide and distilled water, obtain the prefabricated dispersion of Graphene,

Described emulsion type defoaming agent is made up of the raw material of following weight part: IPBC 1-2, polysiloxane 10-15, sorbitan monooleate 0.2-0.4, polyoxyethylene 20 sorbitan monolaurate 0.3-0.4, deionized water 10-20, aniline triethyl Trimethoxy silane 1-2, polyvinyl ether 1-2, water drain silica 3-5, polyoxyethylene glycol 1-2, Red copper oxide 1-2, calcium ricinoleate 0.5-0.7; Preparation method is (1) by anilinomethyl triethoxysilane and water drain silica mixing, then adds polysiloxane reacting by heating 1-2 hour while stirring under 120-150 ° of C, is cooled to room temperature after reaction terminates; (2) sorbitan monooleate and polyoxyethylene 20 sorbitan monolaurate are mixed, be heated to 40-60 ° of C, be added in the product of step (1), all the other remaining compositions beyond deionizing water are added again after high-speed stirring 20-40 minute, control temperature at 70-80 ° of C, stirring at low speed; (3) by deionized water slowly, at the uniform velocity be added in step (2), Temperature fall while stirring, when temperature is down to room temperature, stop stir, by gained material colloidal mill grinding can obtain emulsion type defoaming agent 2-3 time.

2. a kind of highly efficient durable waterproof paint according to claim 1, is characterized in that, be made up of following concrete steps:

(1) organosilicon rubber emulsion, aluminum paste are added in reactor, open machine and stir with the rotating speed of 500 revs/min, add waterproofing agent of organosilicon, dispersion 5-6 minute, then add the prefabricated dispersion of Graphene, continue to stir 5-7 minute;

(2) emulsion type defoaming agent of 50-60% weight part in formula is added in step (1), dispersed with stirring 5-7 minute, add Xylo-Mucine dispersion again and can't see particle to dissolving completely in 8-10 minute, now improve rotating speed to 800 rev/min, then add titanium dioxide, jade powder and water-ground limestone dispersed with stirring 15-20 minute;

(3) emulsion type defoaming agent of residual content in formula is added in step (2), then adds all the other remaining composition dispersion 5-10 minute, then filter through colloidal mill speed lapping and obtain product.