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US08642177B2 Acid etch resistance for calcareous substrates 失效
钙质基材耐酸蚀性

Acid etch resistance for calcareous substrates
摘要:
A method to provide acid etch resistance to contacting a calcareous substrate with a copolymer prepared from fluorinated methacrylate, short chain branched (meth)acrylate, and (meth)acrylic acid salt and a treated substrate.
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