(Methyl chloride) (mc) molecular usoro \ [c6h7o2 (oh) N1] Mgbe usoro mmeghachi omume, a na-eme ọgwụgwọ evether ether. N'ozuzu, ogo nke nnọchi bụ 1.6 ~ 2.0, na ogo nke nnọchi anya dị iche. Ọ bụ nke na-abụghị ionic ether.
1. Methylcellose na-agbanye mmiri oyi, mmiri ọkụ ga-ezute ihe isi ike, na pzọ omeala dị ka 3/12. Starch, Guar chịm na ọtụtụ ndị ọzọ surfacrants na-ekwekọrịta. Geleration na-eme mgbe ọnọdụ okpomọkụ na-erute okpomọkụ.
Ndobe mmiri nke methylcellose na-adabere na ego ya agbakwunyere, viscosity, nsị na-aba ụba na ọnụego mgbasa. N'ozuzu bukwuo ibu, obere viscosity dị elu, njigide mmiri. N'etiti ha, njigide mmiri nwere mmetụta kachasị ukwuu, na ọkwa ọkwa ahụ abụghị ihe dabara adaba na njigide mmiri. Ọnụego mgbasa efe si na-adabere na ogo mgbanwe nke mkpụrụ osisi kulitu na ịdị mma nke irighiri ihe. N'etiti ndị dị n'elu Celler ahụ dị n'elu, methyl cellulose na hydroxyl methyl methyl cellulose nwere njigide mmiri dị elu.
Ọnọdụ mgbanwe nwere ike imetụta njigide mmiri nke methy cellulose. - Ka elu okpomọkụ, nke na-akacha njọ mmiri. Ọ bụrụ na mgbochi okpomọkụ karịrị 40 Celsius C, njigide mmiri nke methy cellulose ga-ebelata, na-emetụta owuwe ihe nke ngwa agha.
Methylcellose nwere mmetụta dị ukwuu na ọrụ na ngwa agha. "Mpempe akwụkwọ" ebe a na-ezo ebe a na-ezo aka na ngwa ọrụ na ngwaọrụ onye ọrụ onye ọrụ na mkpụrụ mgbidi, nke ahụ bụ, na-eguzogide ngwa agha. Viscsse, ike gwụrụ ike, ike chọrọkwa nke ndị ọrụ na-ejikwa oke ibu, yana iwu mkpuchi adịghị mma. Methylcellose a gbadoro anya na ọkwa dị iche iche na ngwaahịa ather.
2. Hydroxyl Methylcelllose (HPMC) [C 6 H 7-MN (OCH 3) Ọ bụ ihe eji eme ihe na-abụghị ionic kwadebere nke ọma site na usoro mmeghachi omume mgbe alkalization nke cop na-a nụchara, nke a na-eji chloride chloride na-eme ihe dị ka ndị isi. Ogo nke dochie anya ya 1.2 / 2.0. Njirimara ya dịgasị iche iche dabere na ọdịnaya methoxy na ọdịnaya mmiri hydroxypypyl.
1 Okpomoku di okpomoku di elu di elu karie nke methylcellose. Ọ na-egosikwa nnukwu ndozi maka methylcellose mgbe etisasịwo na mmiri oyi.
Ọrịa viscyppypyl Methylcelllose metụtara oke molecular arọ dị elu. Ọnọdụ okpomọkụ na-emetụtakwa viscosity ya, dị ka ọnọdụ okpomọkụ na-abawanye, viscese belata. Agbanyeghị, mmetụta nke okpomọkụ na viscosity dị ala karịa nke methy cellulose. Ihe ngwọta bụ nchekwa nke ụlọ okpomọkụ.
3. Njikọ mmiri nke hydropyythyth na-adabere na mgbakwunye ya, viscosity, wdg, na mmiri nná ahụ dị elu karịa nke Methy Cellulose.
4 Nrụpụta nke Sauska soda na mmiri wayo enweghị mmetụta dị ukwuu, mana Alkali nwere ike mee ngwa ngwa na-enweghị atụ, na viscesse na-abawanye. Hydroxypylthylthylcelllose bụ nkwụsi ike na nnu, ma mgbe ịta nke nnu dị elu, viscosis nke hydyplopyy ulee na-abawanye.
Enwere ike ịgwakọta ya na polymers-soluble na-etolite edo, usoro viocty. Dị ka mmanya polyvinyl, stachi ether, ihe oriri na akwukwo nri, wdg.
Hydroxypyl Methylcellose nwere oruru onyl na-eguzogide nke methylcellose, ike nke nzere ya dị ala karịa nke methylylmethylcellose ka ọ dị elu karịa nke methylcelllose. isi cellulose.
A na - eme nke atọ, hydroxyethythythythythyth cellulose (HEC) nke ejikọtara ya na alkali, n'ihu acetone, na ethlene oxide dị ka onye ọrụ Ither. Ogo ya nke dochie anya na-abụkarị 1.5 / 2.0. O nwere hydrophilicy siri ike ma dịkwa mfe ịnabata mmiri.
1. Hydroxyethythythyth Cellulose na-soluble na mmiri oyi, mana o siri ike igbari na mmiri ọkụ. Ihe ngwọta ahụ kwụsiri ike na okpomọkụ dị elu ma enweghị GEL Njirimara. Enwere ike iji ya ruo ogologo oge na nnukwu okpomọkụ mmiri, mana njigide mmiri ya dị ala karịa nke methy cellulose.
2. Hydroxyethyth Cellulose bụ kwụsie ike na acid na alkali. Alkali na-eme ka ọ na-eme ka ọpụpụ ya, na viscosity na-abawanye ntakịrị. Efere ya na mmiri dị njọ karịa nke Methy Cellulose na hydroxyl methyl methyl cellulose.
3. Hydroxyethythythythythyth na-enwe ezigbo mgbochi na-arụ ọrụ na ngwa agha, mana ogologo oge, ụfọdụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na ọdịnaya mmiri na ọdịnaya dị elu.
4. A na-eji celloxymymymymymymythymymymylym \ [c6h7o2 a na-eji alkali chloroacetate na-eme ya (owu, wdg) nke usoro ọgwụgwọ, a na-eme ya n'ime cell cellulose ether. Ogo nke dochie anya ya 0.4 / 1.4, na ogo nke dochie anya na arụmọrụ.
CelloxyMymymylylylyl cellulose nwere hygroscopity hygroscopity, ọnọdụ nchekwa General nwere mmiri.
2. Ihe ngwọta osisi na-ebugharị mkpụrụ osisi celloxythym adịghị amịpụta, viscosisse mbelata, na viscosis na-apụ apụ mgbe ọnọdụ okpomọkụ gafere 50 Celsius C.
PH na-emetụta ike ya nke ukwuu. E ji ya mee ihe maka ngwa agha gypsim, ọ bụghị maka ciment. N'ihe banyere ịdị elu Alkalinity, ọ ga-efunahụ viscosity.
Njide mmiri ya dị ala karịa nke methy cellulose. Mgbaziike gypsium nwere nsonaazụ na-arụ ọrụ, belata ike. Ma ọnụahịa nke coulboxymyl cellulose dị ala karịa nke Methy cellulose.
Oge post: Feb-14-2025