High damping performance aqueous damping coating material preparation method
A damping coating and high damping technology, applied in unspecified rubber coatings, coatings, etc., can solve the problems affecting the actual use of water-based damping coatings, narrow damping temperature range, and easy deformation of the coating film, and achieve good physical and mechanical properties. Effects of flame retardant performance, improved damping performance and elastic modulus, and simple and easy preparation method
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[0014] Example 1
[0015] A method for preparing water-based damping paint with high damping performance includes the following steps:
[0016] (1) Preparation of water-based emulsion:
[0017] At room temperature, 15 parts of water-based acrylic emulsion with core-shell structure and 15 parts of network interpenetrating emulsion are uniformly mixed to make the solid content in the aqueous solution 50%, and the water-based emulsion is obtained after stirring and mixing uniformly;
[0018] (2) Addition of fillers and additives:
[0019] Add 40 parts of inorganic fillers, 5-20 parts of rubber powder, 10 parts of diester film forming aids into the aqueous emulsion prepared in the previous step, and then add 0.5-1.0 parts of aqueous dispersant and 1 part of aqueous defoamer , 0.25-0.8 parts of water-based wetting agent, mixed evenly after high-speed stirring.
[0020] (3) Film formation and paint mixing:
[0021] Then add 8-20 parts of diester film-forming auxiliary to the above solution, as...
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