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 n'elu 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, iji HPMC na plasta, gypsum, putty ntụ ntụ ma ọ bụ ihe ndị ọzọ na-ewu ụlọ nwere ike imeziwanye mgbasawanye ha ma mee ka oge ha na-arụ ọrụ dịkwuo ogologo.
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.
