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CAS:9003-01-4

 9003-01-4

9003-01-4

CAS号:9003-01-4

品名:丙烯酸树脂Polyacrylicacid

中文别名:聚丙烯酸;

英文别名:Acrylicacidpolymer;Poly(acrylicacid);2-Propenoicacidhomopolymer;PAA;Propenoicacidpolymer;poly(acrylicacid)macromolecule;2-Propenoicacid,homopolymer;Carbomer;

分子式:C3H4O2

分子量:72.0627

精确质量:72.0211

Psa:37.3

RTECS号:AT4680000

EINECS号:618-347-7

外观与性状:无色粘性液体

密度:1.09 (30% aq.)

沸点:116ºC

熔点:106ºC

闪点:61.6ºC

折射率:n20/D 1.442

稳定性:Stable under normal temperatures and pressures.

储存条件:库房通风低温干燥

安全说明:S24/25

危险类别码:R45; R46; R34; R36/37/38

WGK Germany:3

海关编码:3906909090

危险品运输编码:UN 3265 8/PG 3

危险品标志:C; T; Xi

信号词:Danger

危险性防范说明:P201; P308 + P313

危险标志:GHS08

危险性描述:H340; H350

简介:Poly(acrylicacid)(PAAorCarbomer)isgenericnameforsynthetichighmolecularweightpolymersofacrylicacid.Theymaybehomopolymersofacrylicacid,crosslinkedwithanallyletherpentaerythritol,allyletherofsucroseorallyletherofpropylene.InawatersolutionatneutralpH,PAAisananionicpolymer,i.e.manyofthesidechainsofPAAwilllosetheirprotonsandacquireanegativecharge.ThismakesPAAspolyelectrolytes,withtheabilitytoabsorbandretainwaterandswelltomanytimestheiroriginalvolume.DryPAAsarefoundinthemarketaswhiteandfluffypowders.Carbomercodes(910,934,940,941and934P)areanindicationofmolecularweightandthespecificcomponentsofthepolymer.FormanyapplicationsPAAsareusedinformofalkalimetalorammoniumsalts,e.g.sodiumpolyacrylate.

用途:聚丙烯酸为低分子量丙烯酸单聚物,和有机膦酸盐和有机膦酯、聚磷酸盐复配使用,有较好的协同效应,对在水中膦酸钙、氧化铁有优良的分散作用。可在碱性和高浓缩倍数条件下运行而不结垢。聚丙烯酸排放时不会污染环境。

亲水性高分子

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