丙烯酸-丙烯酸羟丙酯共聚物 T-225(一、产品性能 三、应用范围 四、包装与储存)

Properties:(Specification:)

丙烯酸-丙烯酸羟丙酯共聚物 T-225

Acrylic Acid-2-Hydroxypropyl Acrylate Copolymer

【CAS】 55719-33-0

别名：AA/HPA共聚物

一、产品性能

T-225为丙烯酸和丙烯酸羟丙酯共聚物，它对碳酸钙、硫酸钙特别是磷酸钙垢的形成和沉积有良好的抑制作用，对三氧化二铁、污泥、粘土和油垢也有良好的分散性能；能在高pH值的条件下使用；T-225与有机磷酸盐、BTA等混溶性好，对抑制锌盐沉积和磷酸钙垢的析出有特效。在较高温度和碱性条件下有良好阻垢分散作用。

二、质量指标 符合HG/T2429-2006

项 目 　指 标

中性 　酸性

外 观 　无色至淡黄色粘稠液体

固体含量% ≥ 　30.0±2.0 　30.0±2.0

游离单体(以AA计)% ≤ 　0.5 　0.5

pH值（1%溶液） 　7.5±1.0 　2.5±0.5

极限粘数 (30℃) dl/g 　0.065～0.095

密度 (20℃)g/cm ≥ 　1.100

三、应用范围

T-225适用于碱性条件下和有较多磷酸盐存在的循环冷却水中使用。主要用作供暖加热器和非蒸发性锅炉炉内水处理、各种循环冷却水、含钙量很高的油田回注水的阻垢分散剂，正常使用量10-30mg/L，可与有机磷等复配成全有机（碱性）配方。

四、包装与储存

T-225为塑料桶包装，每桶25kg、200kg或根据用户要求确定。贮于室内阴凉通风处，贮存期为十二个月。

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T-225

Acrylic Acid-2-Hydroxypropyl Acrylate Copolymer (T-225)

【CAS】 55719-33-0

Properties:

T-225 is copolymer of polyacrylic acid and hydroxypropyl acrylate, it has good scale inhibition and dispersion properties to calcium phosphate and calcium carbonate, it has good dispersion properties to ferric oxide sludge, clay and grease. T-225can be used under high pH situation and has good compatibility with other organophosphines and BTA, T-225 can effectively withhold sediments of zinc salt and calcium phosphate, it has good scale inhibition and dispersion properties under high temperature and alkaline situations.

Specification:

items　index

Neutro　Acid

Appearance　Colorless to light yellow viscous liquid

Solid content % 　30.0 min　30.0 min

Free monomer (as AA )％　0.5 max　0.5 max

pH（1％ solution）　7.5±1.0　2.5±0.5

Limiting viscosity number (30℃) dl/g　0.060～0.095

Density （20℃）g/cm　1.10 min

40%, 50% PAA are also supplied.

Usage:

T-225 can be used in circulating cool water system in situation of alkaline and excess of phosphate. It can be used as scale inhibitor and dispersant for heater, none-column evaporator boiler, circulating cool water and oilfield dirty refilling water with high calcium content. The dosage of 10~30mg/L is preferred. It can be built with organophosphines to form full organic alkaline formula.

Package and Storage:

Normally In 200kg net Plastic Drum, IBC drum can also be used as required.Storage for one year in room shady and dry place.

Keywords: Acrylic Acid-2-Hydroxypropyl Acrylate Copolymer T-225