CN103468140A - Rubber-asphalt waterproof coating - Google Patents

Abstract

The invention discloses a rubber-asphalt waterproof coating which is composed of the following raw materials in parts by weight: 70-80 parts of asphalt, 15-20 parts of rubber particles, 2-3 parts of nano aluminous soil, 10-20 parts of methyl ethyl ketone, 2-3 parts of dimethicone, 25-45 parts of xylene, 1-2 parts of gamma-aminopropyltriethoxysilane, 2-3 parts of bentonite, 1-2 parts of methyl-1H-benzotriazole, 2-3 parts of zinc naphthenate, and 6-8 parts of a film coalescing aid. The coating has quite good toughness, does not easily generate cracks at the high or low temperature, has strong adhesive force and stable coating films, can be coated on different basal planes, and can play a quite good waterproof effect.

Description

A kind of rubber asphalt waterproof coating

Technical field

The present invention relates generally to a kind of coating, relates in particular to a kind of rubber asphalt waterproof coating.

Background technology

Emulsified bitumen coating has certain water-repellancy and preservative property, restriction due to the performance of pitch own, the work-ing life of Emulsificated asphalt water-proof painting material is short, the poor-performings such as health is strong, low temperature flexibility and thermotolerance, be applicable to classification of waterproof and be the industry of III, IV level and civil building roof covering, lavatory bathe between the construction of waterproof layer and underground protection against the tide, corrosion protection coating, be cheap low-grade waterproof paint, therefore, improving the over-all properties of Emulsificated asphalt water-proof painting material, is necessary in order to enlarge usage range.

Summary of the invention

The object of the invention just is to provide a kind of rubber asphalt waterproof coating.

The present invention is achieved by the following technical solutions:

A kind of rubber asphalt waterproof coating, it is comprised of the raw material of following weight parts:

Pitch 70-80, rubber grain 15-20, nano aluminum alumina 2-3, methylethylketone 10-20, dimethyl silicone oil 2-3, dimethylbenzene 25-45, Γ-aminopropyl triethoxysilane 1-2, wilkinite 2-3, tolyltriazole 1-2, zinc naphthenate 2-3, film coalescence aid 6-8;

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

EVA emulsion 40-50, polyvinyl acetate emulsion 5-6, vinyltriethoxysilane 4-5, dipropylene glycol butyl ether 1-2, cetomacrogol 1000 2-3, aluminium hydroxide 2-4, tin-antiomony oxide 0.1-0.2;

Above-mentioned cetomacrogol 1000 is mixed with aluminium hydroxide, 50-60 ℃ of lower stirring reaction 10-15 minute, add tin-antiomony oxide after being cooled to normal temperature, obtain Preblend, the EVA emulsion is mixed with polyvinyl acetate emulsion, after stirring, add vinyltriethoxysilane, 400-500 rev/min of dispersed with stirring 2-4 minute, add above-mentioned Preblend and each raw material of residue, the 100-120 ℃ of standing 1-2 hour of insulation, obtain described film coalescence aid.

A kind of preparation method of rubber asphalt waterproof coating comprises the following steps:

Above-mentioned rubber grain is mixed with wilkinite, tolyltriazole, zinc naphthenate, add Γ-aminopropyl triethoxysilane after stirring, at 60-70 ℃ of lower 400-500 rev/min dispersed with stirring 4-5 minute, be cooled to normal temperature, to after the asphalt heating fusing, add, add methylethylketone, dimethyl silicone oil, dimethylbenzene under 200-220 ℃, stir, elimination impurity, under 70-80 ℃, insulation 30-40 minute, be cooled to normal temperature, adds each raw material of residue, fully stir, obtain described rubber asphalt waterproof coating.

Advantage of the present invention is:

Coating of the present invention has good toughness, under high low temperature, all is difficult for cracking, and paint adhesion is strong, films stable, can be coated on different basal planes, can play good waterproof effect.

Embodiment

Embodiment 1

A kind of rubber asphalt waterproof coating, it is comprised of the raw material of following weight parts (kilogram):

Pitch 80, rubber grain 20, nano aluminum alumina 2, methylethylketone 20, dimethyl silicone oil 3, dimethylbenzene 35, Γ-aminopropyl triethoxysilane 1, wilkinite 3, tolyltriazole 1, zinc naphthenate 2, film coalescence aid 6-8;

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

EVA emulsion 50, polyvinyl acetate emulsion 5, vinyltriethoxysilane 5, dipropylene glycol butyl ether 1, cetomacrogol 1000 3, aluminium hydroxide 2, tin-antiomony oxide 0.2;

Above-mentioned cetomacrogol 1000 is mixed with aluminium hydroxide, 60 ℃ of lower stirring reactions 15 minutes, add tin-antiomony oxide after being cooled to normal temperature, obtain Preblend, the EVA emulsion is mixed with polyvinyl acetate emulsion, after stirring, add vinyltriethoxysilane, 500 rev/mins of dispersed with stirring 2 minutes, add above-mentioned Preblend and each raw material of residue, 120 ℃ are incubated standing 1 hour, obtain described film coalescence aid.

A kind of preparation method of rubber asphalt waterproof coating comprises the following steps:

Above-mentioned rubber grain is mixed with wilkinite, tolyltriazole, zinc naphthenate, after stirring, add Γ-aminopropyl triethoxysilane, 70 ℃ of lower 500 rev/mins of dispersed with stirring 5 minutes, be cooled to normal temperature, by adding after the asphalt heating fusing, add methylethylketone, dimethyl silicone oil, dimethylbenzene under 220 ℃, stir, elimination impurity, under 80 ℃, insulation 30-40 minute, be cooled to normal temperature, adds each raw material of residue, fully stir, obtain described rubber asphalt waterproof coating.

Performance test:

Low temperature flexibility (10 ℃, 20min) flawless;

Thermotolerance (50 ℃, 24h) is without layering, without caking;

Winter hardiness (5 ℃, 24h) is without layering, without caking;

Watertightness (0.1MPa) does not seep water;

Water tolerance (72h) is non-foaming, do not come off.

Claims (2)

1. a rubber asphalt waterproof coating is characterized in that what it was comprised of the raw material of following weight parts:

Pitch 70-80, rubber grain 15-20, nano aluminum alumina 2-3, methylethylketone 10-20, dimethyl silicone oil 2-3, dimethylbenzene 25-45, Γ-aminopropyl triethoxysilane 1-2, wilkinite 2-3, tolyltriazole 1-2, zinc naphthenate 2-3, film coalescence aid 6-8;

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

EVA emulsion 40-50, polyvinyl acetate emulsion 5-6, vinyltriethoxysilane 4-5, dipropylene glycol butyl ether 1-2, cetomacrogol 1000 2-3, aluminium hydroxide 2-4, tin-antiomony oxide 0.1-0.2;

Above-mentioned cetomacrogol 1000 is mixed with aluminium hydroxide, 50-60 ℃ of lower stirring reaction 10-15 minute, add tin-antiomony oxide after being cooled to normal temperature, obtain Preblend, the EVA emulsion is mixed with polyvinyl acetate emulsion, after stirring, add vinyltriethoxysilane, 400-500 rev/min of dispersed with stirring 2-4 minute, add above-mentioned Preblend and each raw material of residue, the 100-120 ℃ of standing 1-2 hour of insulation, obtain described film coalescence aid.

2. the preparation method of a rubber asphalt waterproof coating as claimed in claim 1 is characterized in that comprising the following steps:

Above-mentioned rubber grain is mixed with wilkinite, tolyltriazole, zinc naphthenate, add Γ-aminopropyl triethoxysilane after stirring, at 60-70 ℃ of lower 400-500 rev/min dispersed with stirring 4-5 minute, be cooled to normal temperature, to after the asphalt heating fusing, add, add methylethylketone, dimethyl silicone oil, dimethylbenzene under 200-220 ℃, stir, elimination impurity, under 70-80 ℃, insulation 30-40 minute, be cooled to normal temperature, adds each raw material of residue, fully stir, obtain described rubber asphalt waterproof coating.