1.
Ma hope o ka mālamaʻiaʻana o ka chetton i hoʻopaʻaʻia me Alkali, celoulouse eter i hanaʻia ma o kahiʻano o nāʻano e like me ka eterifice arent. ʻO ka maʻamau,ʻo ke kiʻekiʻe o ke kohoʻana he 1.6 ~ 2.0 No ia mea no ka neetic cellouse eter.
(1) E hoʻomoʻaʻia ka mitylcellouse ma ka wai anuanu, a he mea paʻakikī e hoʻokaʻawale i ka wai wela. ʻO kona hopena kūpono loa he paʻa loa i ka laulā o ka PH = 3 ~ 12. He kūpono maikaʻi me ka starch, guar gum, etc. a me nā mea he nui. I ka wā i hōʻea ai keʻano o keʻano i ka mahana o keʻano, ua kūʻia kahi kūlana.
(2) Ka mālamaʻana o ka wai o Mithyl Cellow e pili ana i kona nui o kona nui,ʻo Viscosity,ʻokoʻa ka uku a me ka uku uku. Generation, inā nui ka nui o ka huina, heʻuʻuku ka maikaʻi, he nui ka nalo, he nui ka helehelena kai. I waena o lākou,ʻo ka nui o ka hoʻohuiʻana ka hopena nui nui loa ma ka helu mālama wai,ʻaʻole kūpono ka kiʻekiʻe o ka viscosity i ka pae o ka pae mālama uku. Ke hilinaʻi nui nei ka helu dissolution i ke kiʻekiʻe o ka hoʻololiʻana i ka hoʻololiʻana i nā'āpana cellouse a me nā'āpana maikaʻi. Ma waena o nā mea i luna aʻe i luna aʻe,ʻo Mityl Cellulouse a me ka hydroxyproopyl milllulse e loaʻa nā kumukūʻai o ka wai.
(3) E pili nui ana nā loli i ka mahana e pili ana i ka nui o ka nohoʻana o ka wai ʻO ka maʻamau,ʻoi aku ka kiʻekiʻe o ka mahana,ʻoi aku ka nui o ka wai wai. Ināʻoi aku ka nui o ka mahana o ka marur ma mua o 40 ° C, e hoʻemi pinepineʻia ka wai o ka molluluse, e hoʻohālikelike ana i ka kūkuluʻana o ka pahū.
(4) He hopena nuiʻo Mithyl Cellilouse ma ka kūkuluʻana a me ka adhesion o ka paila. ʻO ka "adhesion" eia nō ka mea e pili ana i ka ikaika adhesive ma waena o ka mea hana i luna a me ka pā o ka mea noi.ʻO ia ka paleʻana o ka'āina. Ke kiʻekiʻe nui ka kūmama, ka pale kauaʻana o ka puʻu, a me ka ikaika e pono ai ai ka hanaʻoihana i nāʻoihana o ke hoʻohanaʻia, ua hoʻomauʻia ka hana a ka haku ma nāʻoihana ma ke kūʻai aku. ʻO Mathyl Cellulose adhesion ma kahi pae haʻahaʻa ma ke kiʻekiʻe o nā huahana cellouse.
2. HISTROSXYSopLOCKLLCHylcelllcelllse (HPMC)
ʻO ka hydroxxyprooparplayl hui pūʻia o keʻano celenluree heloka, ua hoʻonui hou ana kaʻaiʻana me kaʻai ma hope i nā makahiki i hala. ʻO ia kahi cellulose i huiʻia i huiʻia e ka eter i hanaʻia ma hope o ka paleʻana i ka cotton ma hope o ka alkalization, e hoʻohana ana i nāʻano o ka eteryl. ʻO ke kiʻekiʻe o ka hoʻololiʻana he 1.2 ~ 2.0. ʻOkoʻa kona mau waiwai ma muli o nāʻano likeʻole o nāʻano methoyl a me ka hydroxyproblel.
(1) Ke maʻalahi maʻalahi nā hoʻohemoʻana o ka hydroxxyl mathylChelose i ka wai anuanu, a e hālāwai me ka pilikia ma ka wai wela. Akāʻo konaʻano hoʻonaʻauao nui ma ka wai wela,ʻoi aku ka kiʻekiʻe ma mua o ka makika o Mathyl Cellowse. ʻO ka pale kūlohelohe i ka wai anuanu nui e hoʻolōʻihiʻia ai nā wai me ka huiʻana o ka mollulse.
(2)ʻO ka viscosity ke kiʻi o ka hydroxxyprooppopproplose e pili ana i konaʻano kūlohelohe, aʻo kaʻoi aku ka kiʻekiʻe. Pākuʻi pū kahiʻano i kona mau viscomeness, e hoʻonui anaʻo ia mahana. Eia nō naʻe,ʻo ia kahi mākaʻikaʻi kiʻekiʻe he haʻahaʻa haʻahaʻa haʻahaʻa ma mua o ka cellulose cellulouse. Ke kūpaʻa nei kona hopena i ka wā i mālamaʻia ai ma ka mahana o ka lumi.
(3)ʻO ka mālamaʻana o ka wai o hydroxxypopall mathrelcelusure e pili ana i kona nui,ʻikeʻia ka nui o ka nui o ka celcoulse.
(4) Ua paʻa nā maʻi hydroxypopall mathrolcelllose i ka ACID lāuaʻo Alkali, a me kona hopena kūpono loa i ka laulāʻo PH = 2 ~ 12. He make light a me Litik i ka hopena o ka nui o ka hana, akā e hoʻokōʻo Alkili i kona kīnāʻana a me ka hoʻonuiʻana i kānaʻano mākaʻikaʻi. Kūponoʻiaʻo hydroxyprooparluroll
(5) Hiki ke hoʻohuiʻiaʻo Hydroxypopyl Miyylcelllulose me ka wai wai-sollable wai E like me ka polyvinyl agan, starch ether
(6)ʻO ka hydroxyprooppopyl midylcelllose iʻoi aku ka maikaʻi ma mua o ka mitzymellse, a emi mai kona hopena ma nā othylcellse. ʻO ka adhesion o ka hydroxyprooppyl miyylcelllose eʻoi aku ka kiʻekiʻe o ka hana ma mua o ka mathylcellselsellulose.
3
Hanaʻia ia mai ka paleʻana i ka'ōpala i hanaʻia me Alkali, a ua heluheluʻia me E kahi o Etelene e pili ana i ka EVetone ma keʻano o ka EVEROTANGE. ʻO ke kiʻekiʻe o ka hoʻololiʻana he 1.5 ~ ~ 2.0. He hydrophinicity ikaika a maʻalahi hoʻi e hoʻopili i ka'ōpū.
(1) He meaʻalaʻo HydroxyEtl ma ka wai anuanu, akā he mea paʻakikī ke hoʻokaʻawale i ka wai wela. ʻO kāna hoʻonā e paʻa ana ma ke kiʻekiʻe kiʻekiʻe me keʻanoʻole. Hiki ke hoʻohanaʻia no ka manawa lōʻihi ma lalo o ka mahana kiʻekiʻe i loko o ka martar, akā he haʻahaʻa ka wai o ka wai ma mua o ka cellulose cellulouse.
(2) He paʻa ka cellulousethyl cellulouse ma ka alkali a me alkali. Hiki iā Alkali ke hoʻokuʻi i kona hoʻohemoʻana a hoʻonui iki i kona viscoisity. ʻO ka mea hoʻowahāwahā i loko o ka wai iʻoi aku ka maikaʻi ma mua o kēlā o ka cellulose cellulouse a me hydroxyproopyl milllulse. . ^.
(3)ʻO ka CeldroxyEtyl Cellulouse he maikaʻi anti-sag hana no ka mory, akā he manawa hou loa no ka nohoʻana.
(4)ʻO ka hana o ka Celdroxythyl Cellulouse e hanaʻia e kekahi mau kikowaena home e like me ka mea nui o ka wai
4.ʻO CarboxyMethyl cellulouse (cmc)
Hanaʻiaʻo IonicLulose eter i nā mea kūlohelohe (Cotton, etc.) i hana me Altheli a hoʻohanaʻia i kahi o nā mea maʻi maʻi. ʻO ke kiʻekiʻe o ka hoʻololiʻanaʻo 0.4 ~ 1,4
(1)ʻO CarboxyMethyl Cellulouseʻoi aku ka nui o ka celpulset
(2)ʻAʻole hiki i ke serboboxyemyl cellulouse e hana ai i ka hopena o ka gel, a e emi ana ka viscosity i ka hoʻonuiʻana o ka mahana. I ka wā eʻoi aku ai ka mahana o 50 ° C,ʻaʻole hiki keʻikeʻia ka viscosity.
(3) Ua hoʻopilikia nuiʻia kona kūpaʻa e PH. ʻO ka maʻamau, hiki iā ia ke hoʻohanaʻia i loko o ka mokulele gypsum-e pili ana, akāʻaʻole i loko o ka mormate cement. I ka manawa nui, ua lilo ia i ka viscosity.
) He hopena hoʻomaha loa ia ma luna o ke kikowaena Gypsum-e hōʻemi i kona ikaika. Eia nō naʻe,ʻo ke kumukūʻai o ka carboxymothyl cellulouse he haʻahaʻa loa ma mua o kēlā methyl cellulose
Nā manawa post: Jan-10-2023