Scale inhibitors for preventing calcium phosphate and other scal

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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C08F 2058

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active

046508449

ABSTRACT:
Acrylic acid or acrylic acid/methacrylic acid is polymerized with between 5-95 mole percent of (meth)acryloyl morpholine to form polymers having a molecular weight range between 1,000-150,000. These polymers are extremely effective inhibitors for preventing calcium phosphate scale in boilers and on industrial heat exchangers. The above described water-soluble polymers are novel.

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patent: 3085916 (1963-04-01), Zimmie et al.
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patent: 3392169 (1968-07-01), Zienty
patent: 3482980 (1969-12-01), Hayakawa et al.
CA83(7):5816Br, N,N,-Dialkylamide of Unsaturated Carboxylic Acids, Oct. 1973.

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