Hydroxypropyl Methylcellulose |HPMC | 9004-65-3
Nkọwapụta ngwaahịa:
| Ụdị | 60JS | 65JS | 75JS |
| Ọdịnaya methoxy(%) | 28-30 | 27-30 | 19-24 |
| Ọdịnaya Hydroxypropyl(%) | 7-12 | 4-7.5 | 4-12 |
| Gel okpomọkụ (℃) | 58-64 | 62-68 | 70-90 |
| Mmiri(%) | ≤5 | ||
| Ash(Wt%) | ≤5 | ||
| PH uru | 4-8 | ||
| Viscosity (2%, 20℃, mpa.s) | 5-200000, nwekwara ike ịkọwapụta dịka mkpa ndị ahịa si dị | ||
| Otu | Nkọwapụta | Oke |
| Nnukwu viscosity (mpa.s) | 5 | 3-7 |
| 10 | 8-12 | |
| 15 | 13-18 | |
| Obere viscosity (mpa.s) | 25 | 20-30 |
| 50 | 40-60 | |
| 100 | 80-120 | |
| Nnukwu viscosity (mpa.s) | 4000 | 3500-5600 |
| 12000 | 10000-14000 | |
| Nnukwu viscosity (mpa.s) | 20000 | 18000-22000 |
| 40000 | 35000-55000 | |
| 75000 | 70000-85000 | |
| 100000 | 90000-120000 | |
| 150000 | 130000-180000 | |
| 200000 | 180000-230000 | |
| 250000 | 230000 |
Nkọwa ngwaahịa:
Hydroxypropyl Methylcellulose (HPMC) bụ ntụ ntụ ọcha na-adịghị na-esi ísì ụtọ.Mgbe agbazechara n'ụzọ zuru ezu na mmiri, ọ ga-etolite ngwọta viscous na-enweghị atụ.Ọ bụ ether cellulose na-abụghị ionic nke sitere na ihe polymer sitere n'okike site na usoro nhazi kemịkal.Ọ nwere àgwà nke ndim, adhesion, dispersion, emulsification, film guzobe, nkwusioru, adsorption, gelation, elu ọrụ, njigide nke mmiri na nchebe nke colloid.
Ngwa:
Mmiri solubility na ndim ike: ọ nwere ike soluble na mmiri oyi, na-etolite a transperent viscous ngwọta.
Mgbasa na organic solvents: N'ihi na o nwere a ụfọdụ ego nke hydrophobic methoxy otu, ngwaahịa a nwere ike agbaze na ụfọdụ organic solvents.
PH uru kwụsie ike: The viscosity nke HPMC si aqueous ngwọta bụ dịtụ kwụsiri ike na nso nke PH uru 3.0-11.0.
Ọrụ elu: HPMC aqueous solution nwere ọrụ elu.Ọ nwere mmetụta emulsifying, na-echebe ike colloid na ikwu nkwụsi ike.
Gelation thermal: Mgbe a na-ekpo ọkụ karịa ụfọdụ okpomọkụ, ngwọta mmiri nke HPMC nwere ike ịghọ ihe na-adịghị mma, mee ka mmiri ozuzo, ma hapụ viscosity.Otú ọ dị, ọ na-eji nwayọọ nwayọọ gbanwee gaa na ọnọdụ ngwọta mbụ mgbe ọ jụrụ.
Ọdịnaya ntụ dị ala: HPMC abụghị ionic, enwere ike ịsacha ya na mmiri ọkụ n'oge usoro nkwadebe ma nụchaa nke ọma, yabụ ọdịnaya ntụ ya dị obere.
Nguzogide nnu: Ebe ọ bụ na ngwaahịa a bụ electrolyte na-abụghị ionic na nke na-abụghị polymeric, ọ kwụsiri ike na ngwọta mmiri nke salts metal ma ọ bụ organic electrolytes.
Mmetụta njide mmiri: N'ihi na HPMC bụ hydrophilic na ngwọta mmiri ya dị oke viscous.Enwere ike ịgbakwunye ya na ngwa agha, gypsum, agba, wdg iji nọgide na-ejigide mmiri dị elu na ngwaahịa ahụ.
Nguzogide mildew: Ọ nwere nguzogide mildew dị mma, ma nwee nkwụsi ike viscosity dị mma n'oge nchekwa ogologo oge.
Mmanya: Ịgbakwunye HPMC nwere ike ibelata ọnụ ọgụgụ esemokwu ma melite mmanu nke ngwaahịa seramiiki extruded na ngwaahịa ciment.
Ngwongwo na-emepụta ihe nkiri: Ọ nwere ike ịmepụta flakes siri ike, na-agbanwe agbanwe, nke nwere ezigbo mmanụ na nguzogide ester.
N'ihe owuwu ihe, HPMC cellulose nwere ike iji dị ka onye na-ejigide mmiri na retarder maka ciment slurry iji mee ka ngwa agha ahụ na-agbapụta.
Dị ka nrapado, ojiji nke HPMC na plasta, gypsum, putty ntụ ntụ ma ọ bụ ihe ụlọ ndị ọzọ nwere ike imeziwanye mgbasa ha na ogologo oge ha na-arụ ọrụ.
Njide mmiri ya nwere ike igbochi tapawa ka ọ ghara ịgbawa ngwa ngwa mgbe mkpuchi gasịrị, ma nwee ike ịkwalite ike mkpuchi ahụ mgbe ọ gbasiri ike.
E wezụga nke ahụ, a pụkwara iji kemịkalụ HPMC mee ihe dị ka ihe nkwalite maka tile, marble, na plastic ịchọ mma na ụlọ ọrụ ihe owuwu.
Na mgbakwunye, a na-eji ntụ ntụ HPMC mee ihe dị ka onye na-agbapụta, stabilizer, emulsifier, excipient, na onye na-ejigide mmiri na mmepụta nke ụlọ ọrụ ndị ọzọ, dị ka petrochemicals, mkpuchi, ihe ụlọ, ihe na-ewepụ agba, kemịkalụ ugbo, ink, mbipụta textile na ịcha akwa. ceramik, ime akwụkwọ, ihe ịchọ mma, wdg.
Ngwugwu: 25kgs/bag ma ọ bụ dị ka ịchọrọ.
Nchekwa: Chekwaa n'ebe ikuku na-ekuru, ebe kpọrọ nkụ.
Ọkọlọtọ emebiri: International Standard.
