Itandukaniro hagati ya HPMC na HEC

Hydroxypropyl methylcellulose, izwi kandi nka hypromellose na selulose hydroxypropyl methyl ether, ikozwe muri selilose nziza yipamba kandi ikaba idasanzwe cyane mugihe cya alkaline.

itandukaniro:

ibiranga bitandukanye

Hydroxypropyl methylcellulose: ifu yera cyangwa yera isa na poro cyangwa granules, yubwoko butandukanye butari ionic buvanze na selile, iki gicuruzwa nigice cya sintetike, idakora ya viscoelastic polymer.

Hydroxyethyl selulose ni umweru cyangwa umuhondo, impumuro nziza, fibre idafite uburozi cyangwa ifu ikomeye, ibikoresho nyamukuru ni alkali selulose na etylene oxyde etherification, ikaba ari ether ya ionic soluble selile.

Gukoresha biratandukanye

Mu nganda zisiga amarangi, hydroxypropyl methylcellulose ifite imbaraga zo gukemura neza mumazi cyangwa ibishishwa kama nkibibyimbye, bikwirakwiza kandi bigahindura.Polyvinyl chloride ikoreshwa nk'ikuraho irangi kugirango ihagarike polymerisation kugirango itegure polyvinyl chloride, ikoreshwa cyane mu mpu, mu mpapuro, kubungabunga imbuto n'imboga, imyenda n'inganda.

Hydroxypropyl methylcellulose: hafi yo kudashonga muri Ethanol yuzuye, ether, acetone;gushonga mu mucyo cyangwa mu gihirahiro cya colloidal mu mazi akonje, akoreshwa cyane mu gutwikira, wino, fibre, gusiga irangi, gukora impapuro, kwisiga, imiti yica udukoko, imyunyu ngugu Gutunganya ibicuruzwa, kugarura amavuta n’inganda zikora imiti.

gutandukana

Hydroxypropyl methylcellulose: hafi yo kudashonga muri Ethanol yuzuye, ether, acetone;gushonga mumazi meza cyangwa yibicu bya colloidal mumazi akonje.

Hydroxyethyl selulose (HEC): Irashobora gutegura ibisubizo muburyo butandukanye bwijimye, kandi ifite ibyiza byo gushonga umunyu kuri electrolytike.


Igihe cyo kohereza: Ukuboza-01-2022