He aha nā hopena o ka nui o ODOR ma hydroxyproproplolosel:
Synthesis o ka hydroxyproopyl middlelllose: e mālama i ka cellton cellow ma ka hapalua o nā alkali, a me ka makahiki he 35 E kau i ka alkali fiber i loko o ka ethili kettle, e hoʻohui i ka copylenexnex a me ka misyl A laila e hoʻohui i kahi nui kūpono o ka maʻi hydrochloric acid a mexicac acid i ka wai wela ma 90 ° C e holoi i ka nui. Dehydrate i kahi centrifuge. Holoi me ka wai a hiki i keʻano. Ke emi iho nei kaʻikepili o ka moistuture o ka waiwai ma mua o 60%, e maloʻo me kahi kahawai wela ma ka 130 ° C i lalo o 5%.
ʻO ka HPMC i hanaʻia e ke ala e hoʻohana ai i keʻano e hoʻohana ai i ka toluene a me ka isoproopal a me nā mea kanu. Ināʻaʻole maikaʻi ka holoiʻana, e noho mau kekahiʻala momona. I kēia manawa, keʻano o ka maikaʻi o ka inoaʻo hydroxxyprofopalsel, a nui ka palena o nā mea kūʻai aku e hoʻolōʻihi i nā mea kūʻai aku. ʻO kēia ka mea o ka kaʻina holoi,ʻaʻole ia e hoʻopā i ka hoʻohana aʻaʻohe pilikia,ʻaʻole ia he puaʻa keʻokeʻo; Hiki iā lākou ka HPMC ke hoʻolilo pinepineʻia nāʻano likeʻole o nāʻano meaʻala o nāʻano ona,ʻoiai heʻonoʻoleʻia, e kaumaha ana. Eia naʻe,ʻo ka mea hana hydroxyprololosel i hanaʻia e nā mea hana he nui loa he meaʻala ikaika a heʻala maikaʻi loa ia. ʻAʻole kūpono ka maikaʻi i ka par.
Loaʻaʻo Hyposellose e ka hoʻopiʻiʻana i ka cotton i hoʻopaʻaʻia me ka waiʻawaʻawa e loaʻa ai ka maʻi alkaline, e hoʻohui ana, etor. ʻAe, e lilo i meaʻala, hiki i nā mea hoʻohana ke hoʻohana me ka hilinaʻi.
Post Time: Jun-09-2023