CN105086672A - Flexible waterproof paint - Google Patents

Abstract

The invention discloses a flexible waterproof paint. The flexible waterproof paint comprises, by weight, 5 parts to 7 parts of melamineresina, 4 parts to 6 parts of carbon black, 3 parts to 5 pars of light calcium carbonate, 10 parts to 12 parts of barite powder, 3 parts to 4 parts of aluminum silicate, 2 parts to 3 parts of 1,2-propanediol, 1 part to 2 parts of lauryl sodium sulfate, 90 parts to 100 parts of polyvinyl acetate emulsion, 2 parts to 4 parts of polymethyl acrylate, 1 part to 2 parts of nekal, 5 parts to 10 parts of bonding assistants and 10 parts to 20 parts of deionized water. The waterproof paint is high in waterproof performance, weather resistance and aging resistance; meanwhile, the good flexibility and the good ductility are achieved, and the waterproof paint is particularly suitable for the wet environment.

Description

A kind of Flexible waterproof paint

Technical field

The present invention relates generally to a kind of coating, particularly relates to a kind of Flexible waterproof paint.

Background technology

Waterproof paint has a variety of in the market, and some hardness is higher, easily ftractures along with the strain cracking of basic unit, the easy bulge infiltration had; Some environment protectings are poor, therefore produce the strong waterproof paint of a kind of over-all properties for nation-building and people life improvement have good promoter action.

Summary of the invention

The object of the invention is just to provide a kind of Flexible waterproof paint.

The present invention is achieved by the following technical solutions:

A kind of Flexible waterproof paint, it is made up of the raw material of following weight parts:

Melamine resin(a) 5-7, carbon black 4-6, light calcium carbonate 3-5, ground barium sulfate 10-12, pure aluminium silicate 3-4,1,2-PD 2-3, sodium lauryl sulphate 1-2, polyvinyl acetate emulsion 90-100, polymethyl acrylate 2-4, pull open powder 1-2, adhesive aid 5-10, deionized water 10-20;

Described adhesive aid is made up of the raw material of following weight parts:

Vinyl acetate-ethylene copolymerization emulsions 20-35, Viscogum BE 4-6, chitosan 1-2, stearyl methacrylate 3-5, Chinese Angelica Root 1-2, gibbsite 3-4, water are appropriate;

By above-mentioned stearyl methacrylate heat fused, add chitosan, stir, add gibbsite, Chinese Angelica Root, abundant mixing, joined in 6-8 times of water by above-mentioned mixed material, ball milling 1-2 hour, adds Viscogum BE, insulated and stirred reaction 15-20 minute at 60-85 DEG C, add each raw material of residue, abundant ball milling, obtains described adhesive aid.

A preparation method for Flexible waterproof paint, comprises the following steps:

By above-mentioned 1,2-propylene glycol mixes with deionized water, add adhesive aid, polymethyl acrylate, stirring reaction 15-20 minute at 60-70 DEG C, add carbon black, light calcium carbonate, ground barium sulfate, pure aluminium silicate, 600-1000 rev/min of dispersed with stirring 4-6 minute, add each raw material of residue, high-speed stirring, to mixing, obtains described Flexible waterproof paint.

Advantage of the present invention is:

The water tolerance of waterproof paint of the present invention, weathering resistance, ageing-resistant performance are strong, have good snappiness and unit elongation simultaneously, are specially adapted to use in moist environment.

Embodiment

Embodiment 1

A kind of Flexible waterproof paint, it is made up of the raw material of following weight parts (kilogram):

Melamine resin(a) 5, carbon black 4, light calcium carbonate 3, ground barium sulfate 12, pure aluminium silicate 3,1,2-PD 2, sodium lauryl sulphate 1, polyvinyl acetate emulsion 100, polymethyl acrylate 4, pull open powder 1, adhesive aid 10, deionized water 20;

Described adhesive aid is made up of the raw material of following weight parts:

Vinyl acetate-ethylene copolymerization emulsions 35, Viscogum BE 4, chitosan 2, stearyl methacrylate 5, Chinese Angelica Root 2, gibbsite 3, water are appropriate;

By above-mentioned stearyl methacrylate heat fused, add chitosan, stir, add gibbsite, Chinese Angelica Root, abundant mixing, joined by above-mentioned mixed material in 8 times of water, ball milling 2 hours, adds Viscogum BE, at 85 DEG C, insulated and stirred reacts 20 minutes, add each raw material of residue, abundant ball milling, obtains described adhesive aid.

A preparation method for Flexible waterproof paint, comprises the following steps:

By above-mentioned 1,2-propylene glycol mixes with deionized water, add adhesive aid, polymethyl acrylate, stirring reaction 20 minutes at 70 DEG C, add carbon black, light calcium carbonate, ground barium sulfate, pure aluminium silicate, 1000 revs/min of dispersed with stirring 4 minutes, add each raw material of residue, high-speed stirring, to mixing, obtains described Flexible waterproof paint.

Performance test:

Tensile strength: >=1.5MPa;

Unit elongation: >=300%;

Watertightness: 0.3MPa (one hour waterproof).

Claims (2)

1. a Flexible waterproof paint, is characterized in that what it was made up of the raw material of following weight parts:

Melamine resin(a) 5-7, carbon black 4-6, light calcium carbonate 3-5, ground barium sulfate 10-12, pure aluminium silicate 3-4,1,2-PD 2-3, sodium lauryl sulphate 1-2, polyvinyl acetate emulsion 90-100, polymethyl acrylate 2-4, pull open powder 1-2, adhesive aid 5-10, deionized water 10-20;

Described adhesive aid is made up of the raw material of following weight parts:

Vinyl acetate-ethylene copolymerization emulsions 20-35, Viscogum BE 4-6, chitosan 1-2, stearyl methacrylate 3-5, Chinese Angelica Root 1-2, gibbsite 3-4, water are appropriate;

By above-mentioned stearyl methacrylate heat fused, add chitosan, stir, add gibbsite, Chinese Angelica Root, abundant mixing, joined in 6-8 times of water by above-mentioned mixed material, ball milling 1-2 hour, adds Viscogum BE, insulated and stirred reaction 15-20 minute at 60-85 DEG C, add each raw material of residue, abundant ball milling, obtains described adhesive aid.

2. a preparation method for Flexible waterproof paint as claimed in claim 1, is characterized in that comprising the following steps:

By above-mentioned 1,2-propylene glycol mixes with deionized water, add adhesive aid, polymethyl acrylate, stirring reaction 15-20 minute at 60-70 DEG C, add carbon black, light calcium carbonate, ground barium sulfate, pure aluminium silicate, 600-1000 rev/min of dispersed with stirring 4-6 minute, add each raw material of residue, high-speed stirring, to mixing, obtains described Flexible waterproof paint.