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Copolymer of Phosphono and Carboxylic Acid (POCA)

Copolymer of Phosphono and Carboxylic Acid (POCA)

Aliases: POCA, PCA
CAS No.: 71050-62-9

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◉ Product Details

Aliases: POCA, PCA
CAS No.: 71050-62-9


1· Performance and Applications


POCA introduces phosphonic acid groups into the original carboxylic acid groups, has good dispersion performance on calcium carbonate and calcium phosphate scale in circulating cooling water, and also has a good inhibitory effect on the deposition of barium sulfate, strontium sulfate and silica scale. It has a synergistic effect when compounded with other organophosphonates and copolymers. The product has the characteristics of wide applicable water quality range, good chemical stability and strong chlorine oxidation resistance. It is mainly used for scale inhibition and corrosion inhibition of industrial circulating cooling water systems and oilfield reinjection water systems.


2· Technical Specifications


Item Index Index Index Index
Appearance Colorless to light yellow transparent liquid Colorless to light yellow transparent liquid Colorless or light yellow transparent liquid Colorless or light yellow transparent liquid
Solid Content % ≥30 ≥30 37.5-42.5% ≥50.0
Total Phosphorus Content (as PO43-) % ≥7.0 —— ≥0.8 ——
Density (20℃) g/cm3 ≥1.10 ≥1.10 ≥1.15 ≥1.20
pH (1% Aqueous Solution) 2.0-3.0 2.0-4.5 3.0-4.5 3.0-4.5


3· Usage Method


POCA can be used alone at a dosage of 5~20mg/L, or in combination with organophosphonic acids, copolymers, zinc salts or BTA, etc.


4· Packaging and Storage


POCA is packed in plastic drums, Standard capacities: 25kg, 250kg, 1250kg (IBC tank).Note: Packaging weight can be adjusted according to customer requirements.Store in a cool indoor place. The shelf life is twelve months.


5· Safety Protection


POCA is acidic. Pay attention to labor protection during operation. Avoid contact with skin, eyes, etc. In case of contact, rinse immediately with plenty of clean water.

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Shandong Prio New Material Technology Co., Ltd. is located in Juye Chemical Industrial Park, Heze, Shandong Province. The company specializes in environmentally friendly water treatment agents, integrating R&D, production, sales, and technical services to deliver one-stop comprehensive water treatment solutions.

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