FIELD: chemistry.
SUBSTANCE: invention relates to use in paint of calcium carbonate which is obtained by dry-grinding in the presence of a grinding aid agent. Said agent is a copolymer containing a) 0.5-50% of at least one anionic monomer selected from acrylic acid, methacrylic acid and mixtures thereof, and b) 50-99.5% of at least one nonionic monomer taken in amount of 0.05-5% of the dry mass of calcium carbonate.
EFFECT: paints containing calcium carbonate obtained using the described method have high viscosity stability with preservation of optical properties of the paints.
7 cl, 3 tbl, 4 ex
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Year |
Author |
Number |
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|
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|
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SU1538902A3 |
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2007 |
|
RU2411261C2 |
