Chemical name, Hydroxypropyl Methyl Cellulose (HPMC), Hydroxyethyl Methyl Cellulose (HEMC),Sodium Carboxymethyl cellulose (CMC), Hydroxyethyl cellulose (HEC),Hydrophobically modified HEC (HMHEC),Methyl cellulose (MC),Methyl hydroxyethyl cellulose (MHEC),Ethyl Hydroxyethythythythythythythythythythythythythythythythyth (ehec), hydrovobly modeose cellulose (ehec, hm-ehec).
A na-eme Ethers na-agbanwe kemịkal nke cellulose na ụfọdụ eyers kemịkal nke ndị ọzọ na-abụghị nke ionic dị ka ọtụtụ nne polmer. N'ikpeazụ nke 70 yRs, ngwaahịa ndị a ekela ọrụ dị mkpa na ngwa ndị a, site na imewe na eserese na nri, ihe ịchọ mma na ọgwụ. A na-arụ ọrụ na-arụ ọrụ kemịkal na arụmọrụ na-arụ ọrụ dị ka ụlọ ọrụ na-adịghị mma, eminssians, colloids, na-ekwu okwu na maka njigide mmiri.
N'ime ihe owuwu, ndị na-eme ihe na-arụ ọrụ dị ka ndị na-eme ihe nkiri, ndị na-eme ihe nkiri na-eme ihe nkiri, na-emegharị anya, na-eme ihe na-enyere aka, na-echebe ihe na-echebe ya na emoids. Ọzọkwa, ọgwụgwọ nke eyers mkpụrụ osisi pụrụ iche na-arụ ọrụ na gel, ụlọ pụrụ iche nke na-ewe ya n'ọnọdụ dịgasị iche iche. Ngwakọta a bara uru adịghị ugbu a na ihe fọrọ nke nta ka ọ bụrụ polymer ọ bụla.
Eziokwu ahụ na-agụta ihe ọ bụla na-abaghị uru na-anọ n'otu oge na-emeghachi ugboro ugboro na ngwakọta nwere ike ịbụ uru dị mkpa ego. Na ọtụtụ sọftụwia, a ga-achọ ọtụtụ ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe. Ọzọkwa, a na-enwe ihe ịga nke ọma na-aga nke ọma, na-enyekarị arụmọrụ kachasị mma na belata na-elekwasị anya karịa polymers na-agbanye mmiri ..
| Nkowa | 6.0ax ( 2910 ) | 655 ( 2906 ) | 759 ( 2208 ) |
| Gel okpomọkụ (℃) | 58-64 | 62-68 | 70-90 |
| Methoxy (wt%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
| Hydroxypropoxy (wt%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
| Viscosity (CPS, 2% ngwọta) | 3, 5, 6, 15, 50, 100, 400,4000, 10000, 40000, 60000,150000,150000,15000 | ||
Nchegbu Chernists siri ọnwụ na usoro mmepe nke 'dị elu, arụmọrụ na enyemaka dị mma na-enye anyị ohere ịmata ihe ọ bụla na-ahụ maka nha ọ bụla ka anyị wee nwee ike ịgwa gị ngwa ngwa.
Erere na-ere ere maka ndị China Cellulose, iji nọrọ n'ọnọdụ dị na ụlọ ọrụ anyị, anyị anaghị akwụsị ịma mma ndị ahụ n'akụkụ niile iji mepụta ezigbo ngwọta. Ka o si n'ụzọ ya, anyị nwere ike ime ka ndụ anyị mee ihe ma kwalite ezigbo ndụ maka obodo ụwa.
Oge post: Sepp-28-2021