A two-component interfacially bonded silicone tie paint matching fouling-release antifouling paint

Abstract

The invention discloses bi-component interfacial bonding organosilicone connection paint matched with pollution release type anti-fouling paint. The bi-component interfacial bonding organosilicone connection paint is prepared from a first component and a second component according to the weight ratio of 10:1. The first component is prepared from organosilicone, pigments and filler, a solvent and a thixotropic agent. The second component is prepared from a high-toughness curing agent and a reaction promoter. The bi-component interfacial bonding organosilicone connection paint is prepared from the first component including, by weight, 35-55% of organosilicone, 20-40% of pigments and filler, 15-30% of solvent and 0-5% of thixotropic agent and the second component including, by weight, 10-20% of high-toughness curing agent and 0.01-0.03% of reaction promoter. According to the connection paint, the problem that pollution release type anti-fouling paint and anti-rusting paint are poor in adhesive force is solved, the adhesive strength to an anticorrosion coating reaches 2.2 MPa or above, the connection strength for an anti-fouling coating reaches 1.3 MPa or above, and 100% cohesive failure is shown; after being scoured by 50 sections of high-speed flow for 1,000 hours, the coatings are free of bubbling, disengaging and cavitation damage, and have good adhesive performance.

Description

technical field [0001] The invention belongs to the technical field of chemical materials, and in particular relates to a two-component interface-bonded organic silicon connecting paint matched with a fouling release type antifouling paint. Background technique [0002] The supporting system of coatings in areas below the waterline of ships today mainly includes anti-corrosion coatings / connecting coatings / anti-fouling coatings. Because the resin base materials used for anti-corrosion coatings and anti-fouling coatings are different, the adhesion between the two coatings will be weaker. Low, in order to solve this problem, a layer of transition paint is usually applied between the two coats. At present, the connecting paints that are widely used at home and abroad mainly include epoxy connecting paint, vinyl connecting paint and chlorinated rubber connecting paint. However, these tie paints are mainly suitable for rigid coatings and have good adhesion to antirust primers, bu...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of two-component interfacial bonded silicone connecting paint of supporting fouling release type antifouling paint, which solves the problem of poor adhesion between fouling releasing type antifouling paint and antirust paint, The adhesion strength to the anti-corrosion coating is more than 2.2MPa, and the connection strength to the anti-fouling coating is more than 1.3MPa, and it shows 100% cohesive failure. After 1000 hours of washing with 50 knots of high-speed water, the coating has no blistering, no shedding, no Cavitation erosion, good adhesion

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