Polymaleic acid (Polymaleic acid)

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Polymaleic acid

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(Z)-2-Butenedioic acid homopolymer
Hydrolyzed polymaleic anhydride
HPMA
PMA

+Expand -Stow

26099-09-2

(C4H4O4)n

116.072

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Nature Description

Characters of hydrolized polymaleic anhydride (26099-09-2):
This product is Brown transparent liquid.
Relative density (25℃)1.18~1.22.
Relative molecular mass> 300.
Static scale inhibition 34.3%.
The chemical stability and thermal stability are high, and the decomposition temperature is above 330℃.

1.18(48AQ.)

Product Applications

Used for synthetic resin, pesticide, etc.

Production method

Hydrolized polymaleic anhydride (26099-09-2): 1. Add 200 parts of maleic anhydride, 80 parts of water and one part of catalyst to the kettle. After heating reflux, 100 parts of hydrogen peroxide are added dropwise at 100 ~ 120℃. After the reaction is completed, heat reflux for 30min to clarify the transparent brown yellow hydrolyzed product.??????? 2. Use water as solvent and use maleic acid Rod as monomer in the presence of initiator for polymerization.

Security

Dangerous Goods Marking： C

Safety instructions： S28: immediately after touching the skin, use a large amount of soap solution for washing. S24/25: prevent contact between skin and eyes. S36/37/39: Wear suitable protective clothing, gloves and use goggles or mask.