(Hydroxypropyl) methyl cellulose |CAS 9004-65-3

(Hydroxypropyl) methyl cellulose, ti a tun mọ nipasẹ abbreviation HPMC tabi nọmba CAS rẹ 9004-65-3, jẹ ether cellulose ti o wa lati inu cellulose adayeba.O jẹ polima-sintetiki ologbele ti o jẹ lilo pupọ ni ọpọlọpọ awọn ile-iṣẹ nitori awọn ohun-ini alailẹgbẹ rẹ ati ilopo.Eyi ni iwo isunmọ si agbo yii:

Ilana ati Awọn ohun-ini:
1 Igbekale: HPMC ti wa ni iṣelọpọ nipasẹ iyipada kemikali ti cellulose, nibiti awọn mejeeji methyl (-CH3) ati awọn ẹgbẹ hydroxypropyl (-CH2CHOHCH3) ṣe afihan si ẹhin cellulose.
2 ìyí ti Fidipo (DS): Iwọn aropo n tọka si apapọ nọmba ti awọn ẹgbẹ aropo fun ẹyọ glukosi ninu pq cellulose.O ṣe ipinnu awọn ohun-ini ti HPMC, gẹgẹbi solubility, viscosity, ati agbara ṣiṣẹda fiimu.
Awọn ohun-ini 3: HPMC ṣe afihan awọn ohun-ini bii sisanra, idaduro omi, iṣelọpọ fiimu, ati iṣẹ ṣiṣe dada.Awọn ohun-ini le ṣe atunṣe nipasẹ ṣiṣakoso DS lakoko iṣelọpọ.

Iṣẹjade:
1.Cellulose Sourcing: Cellulose, awọn ohun elo aise akọkọ fun HPMC, ti wa lati awọn orisun isọdọtun bi pulp igi tabi owu.
Etherification: Cellulose gba etherification, nibiti o ti ṣe atunṣe pẹlu propylene oxide lati ṣafihan awọn ẹgbẹ hydroxypropyl ati lẹhinna pẹlu methyl chloride lati fi awọn ẹgbẹ methyl kun.
2.Purification: cellulose ti a ṣe atunṣe ti wa ni mimọ lati yọkuro awọn aimọ ati awọn ọja-ọja, ti o mu ki ọja HPMC ti o kẹhin.
Awọn ohun elo:
3.Construction Industry: HPMC ti wa ni lilo pupọ ni awọn ohun elo ile-iṣẹ gẹgẹbi awọn amọ-simenti, awọn plasters, ati awọn adhesives tile lati mu iṣẹ-ṣiṣe ṣiṣẹ, idaduro omi, ati adhesion.
4.Pharmaceuticals: O ṣe iṣẹ binder, thickener, film tele, ati stabilizer ni awọn ilana oogun ti o wa pẹlu awọn tabulẹti, awọn capsules, awọn ojutu ophthalmic, ati awọn ipara ti agbegbe.
5.Food Industry: HPMC ṣe bi apọn, imuduro, ati emulsifier ni orisirisi awọn ọja ounje gẹgẹbi awọn obe, awọn aṣọ, awọn ipara yinyin, ati awọn ọja ti a yan.
6.Cosmetics ati Itọju Ti ara ẹni: Ni awọn ohun ikunra ati awọn ọja itọju ti ara ẹni, HPMC ni a lo bi awọn ohun elo ti o nipọn, oluranlowo idaduro, fiimu ti ogbologbo, ati moisturizer ni awọn ipara, awọn ipara, awọn shampulu, ati awọn gels.
7.Paints ati Coatings: O mu ki iki, sag resistance, ati awọn ohun-ini iṣelọpọ fiimu ti awọn kikun ti omi, awọn adhesives, ati awọn aṣọ.
Ipari:
(Hydroxypropyl) methyl cellulose, pẹlu oniruuru awọn ohun elo ati awọn ohun-ini anfani, jẹ eroja pataki ni ọpọlọpọ awọn ọja ile-iṣẹ ati iṣowo.Ipa rẹ ni imudara iṣẹ ṣiṣe, iduroṣinṣin, ati iṣẹ ṣiṣe ti ọpọlọpọ awọn agbekalẹ jẹ ki o ṣe pataki kọja awọn apa lọpọlọpọ.Bi awọn ile-iṣẹ ṣe tẹsiwaju lati ṣe imotuntun, ibeere fun HPMC ni a nireti lati tẹsiwaju, ṣiṣe awọn ilọsiwaju siwaju ni awọn ọna iṣelọpọ ati awọn ohun elo rẹ.