Focus on Cellulose ethers

Awọn oriṣi melo ni Hydroxypropyl methylcellulose (HPMC)?

Awọn oriṣi melo ni Hydroxypropyl methylcellulose (HPMC)?

Hydroxypropyl methylcellulose (HPMC) ti pin si iru lojukanna ati iru yo o gbona.

Lẹsẹkẹsẹ naaHydroxypropyl methylcellulose (HPMC)disperses ni kiakia ni tutu omi ati ki o farasin ninu omi.Ni akoko yii, omi ko ni iki, nitori HPMC ti tuka sinu omi nikan ko ni tu gaan.Ni bii iṣẹju 2, iki ti omi naa pọ si diẹdiẹ, ti o di colloid viscous ti o han gbangba.

Hydroxypropyl methylcellulose (HPMC)

Hot-melt Hydroxypropyl methylcellulose (HPMC), nigba ti wọn ba papo ni omi tutu, wọn le yara tuka ninu omi gbona ati ki o farasin ninu omi gbigbona.Nigbati iwọn otutu ba lọ silẹ si iwọn otutu kan (ọja ti Shijiazhuang Lvyuan Cellulose Co., Ltd. jẹ iwọn 60 Celsius), iki yoo han laiyara titi A o fi ṣẹda colloid viscous ti o han gbangba.

Gbona-yo Hydroxypropyl methylcellulose (HPMC) ti wa ni gbogbo lo ni putty lulú ati amọ.Ọna ti o dapọ lulú ni a gba: lulú HPMC ti wa ni idapọ pẹlu iye nla ti awọn ohun elo miiran ti o wa ni erupẹ, ti o dapọ daradara pẹlu alapọpo, lẹhinna ni tituka nipasẹ fifi omi kun, lẹhinna HPMC le ni tituka laisi clumping Cohesion, nitori pe igun kekere kọọkan ni nikan nikan. kekere HPMC lulú, eyi ti yoo tu lẹsẹkẹsẹ nigbati o ba pade omi.

Lẹsẹkẹsẹ Hydroxypropyl methylcellulose (HPMC) ni ọpọlọpọ awọn ohun elo.Ni afikun si putty lulú ati amọ-lile, o jẹ lilo pupọ ni awọn ọja kemikali ojoojumọ gẹgẹbi lẹ pọ omi, kun, ati ọṣẹ.


Akoko ifiweranṣẹ: Oṣu Karun-13-2021
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