
CAS Hejmar 26099-09-2
Formula Structural:
Taybetmendî:
HPMA Polîmerîdek bi giraniya molekularî ya kêm e, bi giraniya molekulê ya navîn 400-800 e. Bê jehrî, di avê de tê çareser kirin, aramiya kîmyewî û germî ya bilind, germahiya li jor 330℃ hilweşandî. HPMA has obvious threshold effect under high temperature (350℃) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. It has good scale inhibition against carbonate and phosphate scales under temperature 300℃ with effective time as long as 100 hours. Due to its good scale inhibition and high temperature tolerance properties, HPMA is widely used in desalination plant of flash vaporization equipment, low pressure boiler, steam locomotive, crude oil evaporation, petroleum pipeline, and industrial circulating cool water systems. In addition, HPMA has good corrosion inhibition effect when used together with zinc salt. HPMA dikare ji bo çîmentoyê jî wekî pêvek were bikar anîn.
Specification:
Items |
Naverok |
Xuyabûnî |
Şîva şefaf a ji zer û zer û zer |
Naveroka hişk, % |
48.0 min |
Nirxa bromîn, mg/g |
50.0 herî zêde |
pH (1% çareseriya avê) |
2.0-3.0 |
Density (20℃), g/cm3 |
1.18 min |
Bikaranîn:
HPMA is usually used together with organic phosphonate at dosage of 1-15ppm for circulating cool water system, oilfield fill water, crude oil dewatering and low-pressure boilers. HPMA xwedan astengkirina pîvanê ya baş (98%) û taybetmendiyên paqijkirina pîvanê ye. Dema ku bi xwêyên zinc re bi hev re tê bikar anîn, ew dikare bi bandor korozyona pola karbonê asteng bike.
Pakkirin û hilanîn:
200L drumek plastîk, IBC (1000L), hewcedariya xerîdaran. hilanîn ji bo salekê li jûreyek siya û cîhê hişk.
Ewlehî û parastin:
HPMA asîd e, ji ber vê yekê divê têkilî bi çerm, çav û hwd re were girtin. Piştî têkiliyê bi gelek avê bişon.
Sînonîm:
HPMA; Hydrolyzed Polymaleic Anhydride; poly(maleicacid);
Polymaleic Acid; MALEIC ACID POLYMER;Polymaleic Acid
Anhydride Polymaleic Hydrolyzed