
Helu CAS 26099-09-2
Hui Pū ʻIa:
Nā waiwai:
HPMA he polymeride kaumaha haʻahaʻa, me ke kaumaha molekala 400-800. ʻAʻohe mea ʻawaʻawa, hiki ke hoʻoheheʻe ʻia i ka wai, kemika kiʻekiʻe a me ke kūpaʻa wela, ka wela decomposed ma luna o 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 hiki ke hoʻohana ʻia e like me nā mea hoʻohui no ka sima.
Hōʻike:
Nā mea |
Papa kuhikuhi |
Ka nana aku |
Melemele ʻeleʻele a i ʻole ka wai aniani |
Maʻiʻo paʻa, % |
48.0 min |
Ka waiwai bromine, mg/g |
50.0 ka nui |
pH (1% wai hoʻonā) |
2.0-3.0 |
Kaha (20 ℃), g/cm3 |
1.18 min |
Hoʻohana:
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 Loaʻa iā ia ka pale ʻana i ka unahi maikaʻi (98%) a me nā waiwai wehe ʻana i ka unahi. Ke hoʻohana pū ʻia me nā paʻakai zinc, hiki iā ia ke pale maikaʻi i ka corrosion kila kalapona.
Packaging a me ka waiho ʻana:
200L pahu pahu, IBC(1000L), koi 'kumu. mālama ʻia no hoʻokahi makahiki ma kahi lumi malu a me kahi maloʻo.
Palekana a me ka palekana:
He ʻakika ka HPMA, no laila e pale ʻia ka pili ʻana me ka ʻili, nā maka, a pēlā aku. Holoi me ka wai nui ma hope o ka pili ʻana.
Nā huaʻōlelo like:
HPMA; Hydrolyzed Polymaleic Anhydride; poly(maleicacid);
Polymaleic Acid; MALEIC ACID POLYMER;Polymaleic Acid
Hydrolyzed Polymaleic Anhydride