
CAS № 26099-09-2
Strukturaviy formula:
Xususiyatlari:
HPMA past molekulyar og'irlikdagi polimerid bo'lib, o'rtacha molekulyar og'irligi 400-800. Toksikligi yo'q, suvda eriydi, yuqori kimyoviy va termal barqarorlik, 330 ℃ dan yuqori parchalanadigan harorat. 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 tsement uchun qo'shimchalar sifatida ham foydalanish mumkin.
Spetsifikatsiya:
Elementlar |
Indeks |
Tashqi ko'rinish |
Och sariqdan qora ranggacha shaffof suyuqlik |
Qattiq tarkib, % |
48,0 min |
Brom qiymati, mg/g |
50,0 maksimal |
pH (1% suv eritmasi) |
2.0-3.0 |
Zichlik (20℃), g/sm3 |
1,18 min |
Foydalanish:
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 yaxshi shkalani inhibe qilish (98%) va shkalani tozalash xususiyatlariga ega. Sink tuzlari bilan birgalikda ishlatilsa, u uglerod po'latining korroziyasini samarali ravishda inhibe qilishi mumkin.
Qadoqlash va saqlash:
200L plastik baraban, IBC (1000L), mijozlar talabi. soyali xonada va quruq joyda bir yil saqlash.
Xavfsizlik va himoya:
HPMA kislotali, shuning uchun teri, ko'zlar va boshqalar bilan aloqa qilishdan qochish kerak. Kontaktdan keyin ko'p suv bilan yuving.
Sinonimlar:
HPMA; Hydrolyzed Polymaleic Anhydride; poly(maleicacid);
Polymaleic Acid; MALEIC ACID POLYMER;Polymaleic Acid
Gidrolizlangan polimaleik angidrid