
Rhif CAS 26099-09-2
Fformiwla Strwythurol:
Priodweddau:
HPMA yn bolymerid pwysau moleciwlaidd isel, gyda phwysau moleciwlaidd cyfartalog 400-800. Dim gwenwyndra, hydawdd mewn dŵr, sefydlogrwydd cemegol a thermol uchel, tymheredd dadelfennu uwchlaw 330 ℃. 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 gellir ei ddefnyddio hefyd fel ychwanegion ar gyfer sment.
Manyleb:
Eitemau |
Mynegai |
Ymddangosiad |
Melyn golau i hylif tryloyw umber |
Cynnwys solet, % |
48.0 mun |
Gwerth bromin, mg/g |
50.0 uchafswm |
pH (hydoddiant dŵr 1%) |
2.0-3.0 |
Dwysedd (20 ℃), g / cm3 |
1.18 mun |
Defnydd:
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 mae ganddo ataliad ar raddfa dda (98%) a nodweddion stripio graddfa. Pan gaiff ei ddefnyddio ynghyd â halwynau sinc, gall atal cyrydiad dur carbon yn effeithiol.
Pecynnu a storio:
Drwm plastig 200L, IBC (1000L), gofyniad cwsmeriaid. storfa am flwyddyn mewn ystafell gysgodol a lle sych.
Diogelwch ac amddiffyn:
Mae HPMA yn asidig, felly dylid osgoi cysylltiad â chroen, llygaid, ac ati. Golchwch gyda digon o ddŵr ar ôl dod i gysylltiad.
Cyfystyron:
HPMA; Hydrolyzed Polymaleic Anhydride; poly(maleicacid);
Polymaleic Acid; MALEIC ACID POLYMER;Polymaleic Acid
Anhydride Polymaleic Hydrolyzed