ʻEtera celluloseʻO ka cellulose kūlohelohe (pulpulu i hoʻomaʻemaʻe ʻia a me ka pulp lāʻau, a pēlā aku) ma ke ʻano he mea maka, ma hope o ka etherification o nā ʻano derivatives like ʻole, ʻo ia ka cellulose macromolecule hydroxyl hydrogen e ka hui ether i hoʻololi hapa ʻia a piha paha ma hope o ka hoʻokumu ʻia ʻana o nā huahana, ʻo ia nā derivatives ma hope o ka cellulose. Hiki ke hoʻoheheʻe ʻia ka Cellulose i loko o ka wai, hoʻoheheʻe i ka hopena alkali a me ka mea hoʻoheheʻe organik ma hope o ka etherification, a he mau waiwai thermoplastic. ʻO ke ʻano Cellulose ether, hoʻohana nui ʻia i ke kūkulu ʻana, ka sima, ka uhi ʻana, ka lāʻau lapaʻau, ka meaʻai, ka petroleum, nā kemika o kēlā me kēia lā, ka lole, ka pepa a me nā ʻāpana uila a me nā ʻoihana ʻē aʻe. Wahi a ka helu o nā substituents hiki ke hoʻokaʻawale ʻia i hoʻokahi ether a me ka ether hui ʻia, e like me ka ionization hiki ke hoʻokaʻawale ʻia i ionic cellulose ether a me non-ionic cellulose ether. I kēia manawa, ua oʻo ke kaʻina hana huahana ionic cellulose ether ionic, maʻalahi e hana a me ke kumukūʻai haʻahaʻa, haʻahaʻa nā pale ʻoihana, hoʻohana nui ʻia i nā mea hoʻohui meaʻai, nā mea hoʻohui lole, nā kemika o kēlā me kēia lā a me nā ʻoihana ʻē aʻe, ʻo ia nā huahana hana nui ma ka mākeke.
I kēia manawa, ʻo ka cellulose ether kaulana loa o ka honuaCMC, HPMC, MC, HECa me kekahi mau mea ʻē aʻe,CMCʻO ka hana ka mea nui loa, e helu ana ma kahi o ka hapalua o ka hana honua, ʻoiai ʻo HPMC lāua ʻo MC e helu ana ma kahi o 33% o ke koi honua, ʻo HEC e helu ana ma kahi o 13% o ka mākeke honua. ʻO ka hoʻohana hope loa o ka carboxymethyl cellulose (CMC) ʻo ia ka detergent, e helu ana ma kahi o 22% o ke koi mākeke ma hope, a hoʻohana nui ʻia nā huahana ʻē aʻe i nā mea kūkulu hale, ka meaʻai a me nā lāʻau lapaʻau.
Ii. Noi ma lalo
I ka wā ma mua, ma muli o ka palena o ka hoʻomohala ʻana o ka cellulose ether i nā kemika o kēlā me kēia lā, nā lāʻau lapaʻau, ka meaʻai, nā uhi a me nā ʻoihana ʻē aʻe ma Kina, ua kau nui ʻia ke koi no ka cellulose ether ma Kina ma ke kahua o nā mea kūkulu hale, a hiki i kēia lā, noho mau ka ʻoihana mea kūkulu hale i 33% o ke koi no ka cellulose ether ma Kina. A e like me ka cellulose ether o Kina ma ke kahua o nā mea kūkulu hale ua lilo ke koi i mea piha, i nā kemika o kēlā me kēia lā, nā lāʻau lapaʻau, ka meaʻai, ka uhi ʻana a me nā ʻoihana ʻē aʻe o ke koi e ulu wikiwiki nei me ka hoʻomohala ʻana o ka ʻenehana noi. No ka laʻana, i nā makahiki i hala iho nei, ʻo ka capsule mea kanu me ka cellulose ether ma ke ʻano he mea maka nui, a me nā huahana e kū mai ana i hana ʻia me ka ʻiʻo artificial me ka cellulose ether he mau manaʻolana ākea a me kahi ulu.
Ma ke kahua o nā mea kūkulu hale, no ka laʻana, ka 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 ka cellulose ether papa mea kūkulu hale e hoʻomaikaʻi i ka hana o nā huahana mea kūkulu hale e like me ka mortar i hui mua ʻia (me ka mortar pulu a me ka mortar maloʻo), ka hana ʻana o ka resin PVC, ka pena latex, ka putty, a pēlā aku. Mahalo i ka hoʻomaikaʻi ʻana o ka pae o ke kūlanakauhale ma Kina, ka wikiwiki o ka hoʻomohala ʻana o ka ʻoihana mea kūkulu hale, ke hoʻomau nei ka pae o ka mīkini kūkulu hale, a ke piʻi nei nā koi kaiapuni o nā mea kūʻai aku no nā mea kūkulu hale, e alakaʻi ana i ke koi no ka cellulose ether non-ionic ma ke kahua o nā mea kūkulu hale. I ka wā o ka Hoʻolālā ʻElima Makahiki 13, ua wikiwiki ʻo Kina i ka hoʻoponopono hou ʻana i nā wahi i hoʻopau ʻia a me nā hale i hoʻopau ʻia ma nā kūlanakauhale, a ua hoʻoikaika i ke kūkulu ʻana i nā ʻoihana kūlanakauhale, me ka wikiwiki ʻana i ka hoʻoponopono hou ʻana i nā wahi i hoʻopau ʻia a me nā kauhale ma nā kūlanakauhale, a me ka hoʻolaha pono ʻana i ka hoʻoponopono hou ʻana i nā wahi noho kahiko a me ka hoʻoponopono hou ʻana i nā hale kahiko i hoʻopau ʻia a me nā hale noho piha ʻole. I ka hapa mua o 2021, ua hoʻomaka ʻia he 755.15 miliona mika kuea o kahi noho, ʻo ia hoʻi he 5.5 pakeneka. ʻO ka nui o ka hale i hoʻopau ʻia he 364.81 miliona mika kuea, ʻo ia hoʻi he 25.7%. ʻO ka hoʻi hou ʻana o ka nui o ka waiwai paʻa e hoʻoulu i ke koi kūpono ma ke kahua o nā mea kūkulu hale cellulose ether.
3. ʻAno hoʻokūkū mākeke
ʻO Kina kahi ʻāina hana honua no ka cellulose ether, i kēia manawa o ka pae o nā mea kūkulu hale kūloko, ua hoʻokō ʻo Anxin Chemistry i ka localization, ʻo Anxin Chemistry ke alakaʻi nei i nā ʻoihana ma ke kahua o ka cellulose ether, a ʻo nā mea hana kūloko nui ʻē aʻe e komo pū ana me Kima Chemical etc. Ma ka pae uhi, ʻo ka meaʻai lāʻau lapaʻau cellulose ether i kēia manawa ʻo ia ka United States Dow, Ashland, Japan shinetsu, South Korea Lotte a me nā monopoly haole ʻē aʻe. Ma waho aʻe o ke kemika Anxin, he nui aku ma mua o ʻumi tausani tone o nā ʻoihana, nā tausani tone o nā ʻoihana hana liʻiliʻi non-ionic cellulose ether, ʻo ka hapa nui o kēia mau ʻoihana liʻiliʻi e hana i nā mea kūkulu hale maʻamau me ka cellulose ether, a ʻaʻohe ikaika e hana i nā meaʻai a me nā huahana lāʻau lapaʻau kiʻekiʻe.
ʻEhā, kūlana hoʻokomo a hoʻokuʻu aku o ka cellulose ether
I ka makahiki 2020, ma muli o ke ahulau ma waho i alakaʻi ʻia ai ka emi ʻana o ka hiki ke hana o nā ʻoihana haole, ua hōʻike nā mea hoʻokuʻu aku o ka cellulose ether o Kina i kahi ʻano ulu wikiwiki, i ka makahiki 2020 e hoʻokō i ka hoʻokuʻu aku o ka cellulose ether he 77,272 tons. ʻOiai ʻoi aku ka wikiwiki o ka nui o ka cellulose ether e ulu ana ma Kina, ʻo nā huahana hoʻokuʻu aku e pili ana i nā mea kūkulu hale cellulose ether, ʻoiai he liʻiliʻi loa ka nui o ka hoʻokuʻu aku o ka cellulose ether lapaʻau a me ka mea ʻai, a he haʻahaʻa ka waiwai i hoʻohui ʻia o nā huahana hoʻokuʻu aku. I kēia manawa, ʻehā manawa ka nui o ka hoʻokuʻu aku o ka cellulose ether ma Kina i ka nui o ka lawe ʻana mai, akā ʻoi aku ka liʻiliʻi o ka nui o ka hoʻokuʻu aku ma mua o ʻelua manawa o ka nui o ka lawe ʻana mai. Ma ke kahua o nā huahana kiʻekiʻe, he wahi nui nō ke kaʻina hana hoʻololi hoʻokuʻu aku o ka cellulose ether no ka hoʻomohala ʻana.
Ka manawa hoʻouna: ʻApelila-25-2024