Cellulose eteraʻO ka cellulose maoli (ka pulupulu hoʻomaʻemaʻe a me ka pulp lāʻau, a me nā mea ʻē aʻe) e like me nā mea maka, ma hope o ka etherification o nā ʻano derivatives, ʻo ia ka cellulose macromolecule hydroxyl hydrogen e ka hui ether i hoʻololi ʻia ma hope o ka hoʻokumu ʻana o nā huahana, ʻo ia ka derivatives downstream o cellulose. Hiki ke hoʻoheheʻe ʻia ka cellulose i ka wai, hoʻoheheʻe i ka hopena alkali a me ka mea hoʻoheheʻe organik ma hope o ka etherification, a loaʻa iā ia nā waiwai thermoplastic. ʻO keʻano o ka cellulose ether, hoʻohana nuiʻia i ke kūkuluʻana, ka sima, ka uhiʻana, ka lāʻau lapaʻau, ka meaʻai, kaʻaila, ka lāʻau kemika, textile, pepa a me nā mea uila a me nāʻoihana'ē aʻe. E like me ka helu o ka substituents hiki ke maheleia i hookahi etera a huikau etera, e like me ka ionization hiki ke maheleia i ionic cellulose etera a me ka non-ionic cellulose etera. I kēia manawa, ʻo ke kaʻina hana ionic cellulose ether ionic huahana, maʻalahi e hana a haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa haʻahaʻa, hoʻohana nui ʻia i nā mea hoʻohui meaʻai, textile additives, lāʻau kemika a me nā māla ʻē aʻe, ʻo ia ka huahana hana nui ma ka mākeke.
I kēia manawa, ʻo ka cellulose ether nui o ka honuaCMC, HPMC, MC, HECa me nā mea ʻē aʻe,CMCʻO ka huahana ka mea nui loa, e helu ana no ka hapalua o ka puka honua, ʻoiai ʻo HPMC a me MC ʻelua no ka 33% o ka noi honua, ʻo HEC ma kahi o 13% o ka mākeke honua. ʻO ka hoʻohana hope loa o ka carboxymethyl cellulose (CMC) he mea hoʻomaʻemaʻe, e helu ana ma kahi o 22% o ka noi o ka mākeke o lalo, a ʻo nā huahana ʻē aʻe e hoʻohana nui ʻia i nā mea kūkulu hale, nā meaʻai a me nā lāʻau lapaʻau.
Ii. Ke noi haʻahaʻa
I ka wā ma mua, ma muli o ka palena o ka hoʻomohala ʻana o ka cellulose ether i kēlā me kēia lā, nā lāʻau lapaʻau, nā meaʻai, nā uhi a me nā ʻāina ʻē aʻe ma Kina, ʻo ke koi ʻana no ka cellulose ether ma Kina e hoʻopaʻa nui ʻia i ke kahua o nā mea kūkulu hale, a hiki i kēia lā, noho mau ka ʻoihana hale hale i 33% o ke koi no cellulose ether ma Kina. A e like me ka cellulose ether o Kina i ke kula o nā mea kūkulu hale ua lilo i saturated, i nā kemika i kēlā me kēia lā, lāʻau lapaʻau, meaʻai, uhi a me nā ʻano ʻē aʻe o ka noi e ulu wikiwiki nei me ka hoʻomohala ʻana o ka ʻenehana noi. No ka laʻana, i nā makahiki i hala iho nei, ʻo ka mea kanu capsule me ka cellulose ether ka mea kumu nui, a me nā huahana e puka mai ana i hana ʻia i ka ʻiʻo artificial me ka cellulose ether he ākea ka makemake a me ka ulu ulu.
Ma ke kahua o nā mea hale, no ka laʻana, cellulose ether me ka mānoanoa, ka paʻa ʻana o ka wai, ka condensation lohi a me nā ʻano maikaʻi ʻē aʻe, no laila ua hoʻohana nui ʻia nā mea kūkulu hale cellulose ether e hoʻomaikaʻi ai i ka hana o nā huahana hale e like me ka mortar i hoʻomākaukau ʻia (me ka mortar i hui pū ʻia a me ka mortar maloʻo maloʻo), ka hana PVC resin, ka pena latex, putty, etc. Ke hoʻomau nei ka hoʻomaikaʻi ʻana o ka pae o ka mīkini hana, a ʻoi aku ka kiʻekiʻe o nā mea kūʻai aku i ke kaiapuni no nā mea kūkulu hale, e alakaʻi ana i ka noi no ka non-ionic cellulose ether ma ke kahua o nā mea kūkulu hale. I loko o ka 13th Five-Year Plan, ua hoʻoikaika ʻo Kina i ka hoʻoponopono hou ʻana i nā wahi ʻino a me nā hale ʻino i loko o nā kūlanakauhale, a hoʻoikaika i ke kūkulu ʻana i nā ʻoihana kūlanakauhale, me ka wikiwiki o ka hoʻoponopono ʻana i nā wahi a me nā kauhale ma nā kūlanakauhale, a me ka hoʻoikaika ʻana i ka hoʻoponopono piha ʻana o nā wahi noho kahiko a me ka hoʻoponopono ʻana i nā hale kahiko i hoʻopau ʻole ʻia. I ka hapa mua o 2021, ua hoʻomaka ʻia ka 755.15 miliona square square o nā wahi noho, ʻoi aku ka 5.5 pakeneka. ʻO 364.81 miliona mau mika square ka paʻa o ka hale, i 25.7%. ʻO ka hoʻihoʻi hou ʻana o ka wahi i hoʻopau ʻia o ka waiwai paʻa e alakaʻi i ka koi kūpono i ke kahua o nā mea kūkulu hale cellulose ether.
3. Ke kumu hoʻokūkū makeke
China mea he global cellulose etera hana 'āina, i kēia manawa o ka hale kūkulu hale papa cellulose etera ua basically i hoʻokō localization, Anxin Chemistry alakai 'oihana i loko o ke kula o cellulose etera, 'ē aʻe nui home Manufacturers no hoi me Kima Chemical etc. Coating pae, pharmaceutical ai papa cellulose etera i keia manawa nui i ka United States Dow, Ashland, South Korea Lottely. Ma kahi o Anxin chemistry i ʻoi aku ma mua o ʻumi kaukani tona o nā ʻoihana, nā kaukani o nā ʻoihana liʻiliʻi non-ionic cellulose ether, ʻo ka hapa nui o kēia mau ʻoihana liʻiliʻi e hana i nā mea hale kumu hoʻohālike maʻamau cellulose ether, a ʻaʻohe ikaika e hana i nā meaʻai kiʻekiʻe a me nā huahana lāʻau.
ʻEhā, ke kūlana hoʻokomo a me ka hoʻoiho cellulose ether
I ka makahiki 2020, ma muli o ka maʻi maʻi ʻē aʻe i alakaʻi ai i ka emi ʻana o ka mana hana o nā ʻoihana ʻē aʻe, ua hōʻike ʻo Kina cellulose ether exports i kahi ulu wikiwiki, ma 2020 e hoʻokō i ka lawe ʻana i ka cellulose ether 77,272 tons. ʻOiai ke ulu wikiwiki nei ka nui o ka cellulose ether ma Kina, ua hoʻokumu nui ʻia nā huahana hoʻopuka i nā mea kūkulu hale cellulose ether, ʻoiai ka liʻiliʻi o ka nui o ka lāʻau lapaʻau a me ka cellulose ether e hiki ke ʻai, a ʻo ka waiwai hoʻohui o nā huahana hoʻokuʻu. I kēia manawa, ʻehā ka nui o ka nui o ka cellulose ether ma Kina i ka nui o ka lawe ʻana mai, akā ʻoi aku ka liʻiliʻi o ka nui o ka lawe ʻana ma mua o ʻelua mau manawa i ka nui o ka lawe ʻana mai. Ma ke kahua o nā huahana kiʻekiʻe o ka home cellulose ether export substitution kaʻina he wahi nui no ka hoʻomohala ʻana.
Ka manawa hoʻouna: Apr-25-2024