Wahi a ka hōʻike hou loa mai IHS Markit, ʻo ka hoʻohana ʻana o ka honuaʻEtera cellulose—he polymer wai-hoʻoheheʻe ʻia i hana ʻia e ka hoʻololi kemika o ka cellulose—ua kokoke i 1.1 miliona tons i ka makahiki 2018. No ka huina o ka hana cellulose ether honua i ka makahiki 2018, ua hele mai 43% mai ʻAsia (ʻo Kina ka helu no 79% o ka hana ʻAsia), ʻo ʻEulopa Komohana ka helu no 36%, a ʻo ʻAmelika ʻĀkau ka helu no 8%. Wahi a IHS Markit, manaʻo ʻia ka ulu ʻana o ka cellulose ether ma ka awelika makahiki o 2.9% mai 2018 a 2023. I loko o kēia wā, ʻoi aku ka haʻahaʻa o nā helu ulu koi ma nā mākeke makua ma ʻAmelika ʻĀkau a me ʻEulopa Komohana ma mua o ka awelika o ka honua, 1.2% a me 1.3% pakahi. , ʻoiai ʻoi aku ka kiʻekiʻe o ka ulu ʻana o ke koi ma Asia a me Oceania ma mua o ka awelika honua, ma 3.8%; ʻo ka ulu ʻana o ke koi ma Kina he 3.4%, a ʻo ka ulu ʻana ma ʻEulopa Waena a me ka Hikina e manaʻo ʻia he 3.8%.
I ka makahiki 2018, ʻo ʻAsia ka ʻāina me ka hoʻohana nui ʻana o ka cellulose ether ma ka honua, e helu ana i 40% o ka hoʻohana holoʻokoʻa, a ʻo Kina ka mea nui. ʻO ʻEulopa Komohana a me ʻAmelika ʻĀkau he 19% a me 11% o ka hoʻohana honua.ʻO ka Carboxymethyl cellulose (CMC)ua helu ʻia no 50% o ka hoʻohana ʻana o nā ethers cellulose i ka makahiki 2018, akā naʻe, ua manaʻo ʻia e haʻahaʻa ka nui o kona ulu ʻana ma mua o nā ethers cellulose ma ke ʻano he holoʻokoʻa i ka wā e hiki mai ana.Methylcellulose(MC) hydroxypropyl methyl cellulose (HPMC)ua helu ʻia he 33% o ka hoʻohana ʻana a pau,hydroxyethyl cellulose (HEC)ua helu ʻia no 13%, a ʻo nā ethers cellulose ʻē aʻe i helu ʻia ma kahi o 3%.
Wahi a ka hōʻike, hoʻohana nui ʻia nā cellulose ethers i nā thickeners, adhesives, emulsifiers, humectants, a me nā mea hoʻomalu viscosity. ʻO nā noi hope loa e pili ana i nā sealant a me nā grouts, ka meaʻai, nā pena a me nā uhi, a me nā lāʻau lapaʻau a me nā mea hoʻohui meaʻai. Hoʻokūkū pū nā ʻano cellulose ethers like ʻole kekahi me kekahi ma nā mākeke noi he nui, a me nā huahana ʻē aʻe me nā hana like, e like me nā polymers wai-soluble synthetic a me nā polymers wai-soluble kūlohelohe. ʻO nā polymers wai-soluble synthetic e pili ana i nā polyacrylates, polyvinyl alcohols, a me polyurethanes, ʻoiai ʻo nā polymers wai-soluble kūlohelohe e pili nui ana i ka xanthan gum, carrageenan, a me nā gums ʻē aʻe. I loko o kahi noi kikoʻī, ʻo ka polymer a ka mea kūʻai aku e koho hope ai e hilinaʻi ia i ke kālepa ma waena o ka loaʻa ʻana, ka hana a me ke kumukūʻai, a me ka hopena o ka hoʻohana.
I ka makahiki 2018, ua hōʻea ka mākeke carboxymethylcellulose (CMC) honua holoʻokoʻa i 530,000 tons, hiki ke hoʻokaʻawale ʻia i ka papa ʻoihana (waihona waihona), ka papa semi-purified a me ka papa kiʻekiʻe-purity. ʻO ka hoʻohana hope loa o CMC ʻo ia ka detergent, e hoʻohana ana i ka CMC papa ʻoihana, e helu ana ma kahi o 22% o ka hoʻohana ʻana; ʻo ka noi kahua aila e helu ana ma kahi o 20%; nā mea hoʻohui meaʻai e helu ana ma kahi o 13%. Ma nā wahi he nui, ua oʻo iki nā mākeke mua o CMC, akā ua loli ke koi mai ka ʻoihana kahua aila a pili i nā kumukūʻai aila. Ke kū nei hoʻi ʻo CMC i ka hoʻokūkū mai nā huahana ʻē aʻe, e like me nā hydrocolloids, hiki ke hāʻawi i ka hana maikaʻi loa ma kekahi mau noi. ʻO ke koi no nā ethers cellulose ʻē aʻe ma mua o CMC e hoʻokele ʻia e nā hoʻohana hope kūkulu, me nā uhi ʻili, a me nā noi meaʻai, lāʻau lapaʻau a me ka mālama pilikino, wahi a IHS Markit.
Wahi a ka hōʻike a IHS Markit, ua ʻāpana iki ʻia ka mākeke ʻoihana CMC, me nā mea hana ʻelima nui loa e helu ana i 22% wale nō o ka nui o ka mana. I kēia manawa, ʻo nā mea hana CMC papa ʻoihana Kina e noho aliʻi ana ma ka mākeke, e helu ana i 48% o ka nui o ka mana. ʻO ka hana ʻana o ka mākeke CMC papa hoʻomaʻemaʻe ua paʻa iki, a ʻo nā mea hana ʻelima nui loa he 53% ka nui o ka mana hana.
He ʻokoʻa ke ʻano hoʻokūkū o CMC mai nā ethers cellulose ʻē aʻe. He haʻahaʻa loa ka paepae, ʻoi aku hoʻi no nā huahana CMC papa ʻoihana me ka maʻemaʻe o 65% ~ 74%. ʻOi aku ka ʻāpana o ka mākeke no ia mau huahana a ua hoʻomalu ʻia e nā mea hana Kina. ʻO ka mākeke no ka papa i hoʻomaʻemaʻe ʻiaCMCʻoi aku ka paʻa, nona ka maʻemaʻe o 96% a ʻoi aku paha. I ka makahiki 2018, ʻo ka hoʻohana honua ʻana o nā ethers cellulose ʻē aʻe ma mua o CMC he 537,000 tons, i hoʻohana nui ʻia i nā ʻoihana e pili ana i ke kūkulu ʻana, e helu ana no 47%; ʻo nā noi ʻoihana meaʻai a me nā lāʻau lapaʻau he 14%; ʻo ka ʻoihana uhi ʻili he 12%. ʻOi aku ka paʻa o ka mākeke no nā ethers cellulose ʻē aʻe, me nā mea hana ʻelima kiʻekiʻe e helu ana no 57% o ka hiki ke hana honua.
Ma keʻano holoʻokoʻa, e hoʻomau ka manaʻolana o ka hoʻohana ʻana i nā cellulose ethers i nā ʻoihana meaʻai a me ka mālama pilikino i ka ulu ʻana. I ka wā e hoʻomau ai ka ulu ʻana o ke koi o nā mea kūʻai aku no nā huahana meaʻai olakino me ka momona haʻahaʻa a me ke kō, i mea e pale aku ai i nā mea hoʻonāukiuki e like me ka gluten, a laila e hāʻawi ana i nā manawa kūʻai no nā cellulose ethers, hiki ke hāʻawi i nā hana e pono ai, me ka ʻole o ka hoʻopilikia ʻana i ka ʻono a i ʻole ke ʻano. I kekahi mau noi, ke kū nei nā cellulose ethers i ka hoʻokūkū mai nā mea hoʻomānoanoa i loaʻa mai ka fermentation, e like me nā gums kūlohelohe.
Ka manawa hoʻouna: ʻApelila-25-2024