ʻEtera celluloseʻO ka huaʻōlelo laulā no nā ʻano derivatives i loaʻa mai ka cellulose kūlohelohe (pulpulu i hoʻomaʻemaʻe ʻia a me ka pulp lāʻau, a pēlā aku.) ʻO ka huahana hopena he derivative iho o ka cellulose. Ma hope o ka etherification, hiki ke hoʻoheheʻe ʻia ka cellulose i ka wai, ka hoʻoheheʻe ʻana i ka hopena alkali a me ka mea hoʻoheheʻe organik, a he thermoplasticity. Nui nā ʻano cellulose ethers, i hoʻohana nui ʻia i ke kūkulu ʻana, ka sima, ka pena, ka lāʻau lapaʻau, ka meaʻai, ka petroleum, nā kemika o kēlā me kēia lā, ka lole, ka hana 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 hui ʻana o ka ether, a e like me ka ionization, hiki ke hoʻokaʻawale ʻia i ionic cellulose ether a me non-ionic cellulose ether. I kēia manawa, loaʻa i nā huahana ionic cellulose ether ionic ka ʻenehana hana makua, ka hoʻomākaukau maʻalahi, ke kumukūʻai haʻahaʻa, a me nā pale ʻoihana haʻahaʻa. Hoʻohana nui ʻia lākou i nā mea hoʻohui meaʻai, nā mea kōkua lole, nā kemika o kēlā me kēia lā a me nā ʻoihana ʻē aʻe, a ʻo ia nā huahana nui ma ka mākeke.
I kēia manawa, ʻo nā cellulose ethers kaulana loa o ka honuaCMC, HPMC, MC, HEC, a pēlā aku. Ma waena o lākou, ʻo CMC ka mea i loaʻa ka hana nui loa, e helu ana no ka hapalua o ka hana honua, ʻoiai ʻo HPMC a me MC e helu ana no kahi 33% o ke koi honua, aHECʻo ia hoʻi ma kahi o 50% o ke koi honua. 13% o ka mākeke. 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 ma nā kahua o nā mea kūkulu hale, ka meaʻai a me nā lāʻau lapaʻau.
Nā noi ma lalo
I ka wā ma mua, ma muli o ka palena o ka hoʻomohala ʻana o ke koi o koʻu ʻāina no ka cellulose ether ma nā kahua o nā kemika o kēlā me kēia lā, nā lāʻau lapaʻau, ka meaʻai, nā uhi, a me nā mea ʻē aʻe, 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, ʻo ka ʻoihana mea kūkulu hale ke helu nei no 33% o ke koi cellulose ether o koʻu ʻāina. Ua piha ke koi no ka cellulose ether o koʻu ʻāina ma ke kahua o nā mea kūkulu hale, a ke ulu wikiwiki nei ke koi ma nā kahua o nā kemika o kēlā me kēia lā, nā lāʻau lapaʻau, ka meaʻai, nā uhi, a me nā mea ʻē aʻe me ka hoʻomohala ʻana o ka ʻenehana noi. No ka laʻana, i nā makahiki i hala iho nei, ʻo nā capsules mea kanu me ka cellulose ether ma ke ʻano he mea maka nui, a me ka ʻiʻo artificial, kahi huahana e kū mai ana me ka cellulose ether, he mau manaʻolana ākea ko lākou a me kahi no ka ulu ʻana.
Ma ke ʻano he laʻana, he mau waiwai maikaʻi loa ka cellulose ether e like me ka mānoanoa, ka paʻa ʻana o ka wai, a me ka lohi. No laila, hoʻohana nui ʻia ka cellulose ether papa mea hale e hoʻomaikaʻi i ka hana ʻana o ka mortar i hui mua ʻia (me ka mortar pulu a me ka mortar maloʻo), PVC resin, a pēlā aku, ka pena latex, ka putty, a pēlā aku, me ka hana o nā huahana mea hale. Mahalo i ka hoʻomaikaʻi ʻana o ka pae urbanization o koʻu ʻāina, ka wikiwiki o ka hoʻomohala ʻana o ka ʻoihana mea hale, ka hoʻomaikaʻi mau ʻana o ka pae o ka mīkini hana kūkulu, a me ka hoʻonui ʻana i nā koi palekana kaiapuni o nā mea kūʻai aku no nā mea hale i hoʻokele i ke koi no nā cellulose ethers non-ionic ma ke kahua o nā mea hale. I ka wā o ka Hoʻolālā ʻElima Makahiki 13, ua hoʻolalelale koʻu ʻāina i ka hoʻololi ʻana o nā shantytowns kūlanakauhale a me nā hale palaho, a hoʻoikaika i ke kūkulu ʻana i nā ʻoihana kūlanakauhale, me ka hoʻolalelale ʻana i ka hoʻololi ʻana o nā shantytowns i hoʻopaʻa ʻia a me nā kauhale kūlanakauhale, e paipai ana i ka hoʻoponopono hou ʻana o nā wahi noho kahiko, nā hale kahiko palaho a me nā hale i hoʻopau ʻole ʻia. I ka hapa mua o 2021, ʻo ka nui o nā hale noho hou i hoʻomaka ʻia he 755.15 miliona mika kuea, he piʻi ʻana o 5.5%. ʻO ka nui o ka hale i hoʻopau ʻia he 364.81 miliona mika kuea, he piʻi ʻana o 25.7%. ʻO ka hoʻōla ʻana o ka nui o ka waiwai paʻa i hoʻopau ʻia e hoʻokele i ke koi pili i ke kahua o nā mea kūkulu hale cellulose ether.
ʻAno hoʻokūkū mākeke
ʻO koʻu ʻāina kekahi mea hana nui o ka cellulose ether ma ka honua. I kēia manawa, ua hoʻokumu ʻia ka cellulose ether papa hale kūloko. ʻO Shandong Heda ka ʻoihana alakaʻi ma ke kahua o ka cellulose ether ma Kina. ʻO nā mea hana kūloko nui ʻē aʻe e komo pū ana me Shandong Ruitai, Shandong Yiteng, a me North Tianpu Chemical, Yicheng Cellulose, a me nā mea ʻē aʻe. ʻO nā cellulose ethers papa uhi, lāʻau lapaʻau a me ka papa meaʻai i kēia manawa ke hoʻopaʻa ʻia nei e nā ʻoihana haole e like me Dow, Ashland, Shin-Etsu, a me Lotte. Ma waho aʻe o Shandong Heda a me nā ʻoihana ʻē aʻe me ka hiki ke ʻoi aku ma mua o 10,000 tons, aia kekahi mau mea hana liʻiliʻi o nā cellulose ethers non-ionic me ka hiki ke 1,000 tons. Nā huahana meaʻai a me nā huahana lāʻau lapaʻau kiʻekiʻe.
Ka lawe ʻana mai a me ka hoʻokuʻu aku ʻana i ka cellulose ether
I ka makahiki 2020, ma muli o ka emi ʻana o ka hiki ke hana o nā ʻoihana haole ma muli o ka maʻi ahulau ma waho, ua hōʻike ka nui o ka cellulose ether i hoʻokuʻu ʻia aku ma koʻu ʻāina i kahi ʻano ulu wikiwiki. I ka makahiki 2020, e hōʻea ka hoʻokuʻu aku o ka cellulose ether i 77,272 tons. ʻOiai ka nui o ka hoʻokuʻu aku o koʻu ʻāinaʻEtera celluloseUa ulu wikiwiki, ʻo nā huahana i lawe ʻia aku ma waho aku he mea kūkulu hale cellulose ether, ʻoiai he liʻiliʻi loa ka nui o ka lawe ʻana aku o ka cellulose ether lapaʻau a me ka meaʻai, a he haʻahaʻa ka waiwai i hoʻohui ʻia o nā huahana i lawe ʻia aku. I kēia manawa, ʻehā manawa ka nui o ka lawe ʻana aku o ka cellulose ether o koʻu ʻāina i lawe ʻia mai, akā ʻoi aku ka liʻiliʻi o ka waiwai i lawe ʻia aku ma mua o ka pālua o ka waiwai i lawe ʻia mai. Ma ke kahua o nā huahana kiʻekiʻe, nui ka lumi no ka hoʻomohala ʻana i ke kaʻina hana hoʻololi i lawe ʻia aku o ka cellulose ether kūloko.
Ka manawa hoʻouna: ʻApelila-26-2024