Etera celluloseKo te cellulose tūturu (miro parakore me te penupenu rakau, me ētahi atu) hei rauemi mata, i muri i te whakaeteretanga o ngā momo hua, ko te macromolecule cellulose hydroxyl hauwai e te rōpū etera ka whakakapia wāhanga, ka whakakapia katoatia rānei i muri i te hanganga o ngā hua, ko te cellulose te pūtake o raro. Ka taea te rewa te cellulose ki te wai, te wairewa alkali me te whakarewa waro i muri i te whakaeteretanga, ā, he āhuatanga thermoplastic. Ko te momo cellulose etera, e whakamahia whānuitia ana i roto i te hanga, te sima, te paninga, te rongoā, te kai, te hinu, te matū o ia rā, te kakahu, te pepa me ngā wāhanga hiko me ētahi atu ahumahi. E ai ki te maha o ngā whakakapinga ka taea te wehe ki te etera kotahi me te etera whakauru, e ai ki te ionization ka taea te wehe ki te etera cellulose ionic me te etera cellulose kore-ionic. I tēnei wā, kua pakeke te tukanga whakaputa hua ionic cellulose ionic, he ngāwari ki te hanga me te utu iti, he iti ngā arai ahumahi, e whakamahia ana i roto i ngā tāpiringa kai, ngā tāpiringa kakahu, ngā matū o ia rā me ētahi atu mara, koia te hua whakaputa matua i runga i te mākete.
I tēnei wā, ko te cellulose ether matua o te ao koCMC, HPMC, MC, HECme ētahi atu maha,CMCKo te putanga te mea nui rawa atu, e tata ana ki te haurua o te putanga o te ao, ko HPMC me MC e tata ana ki te 33% o te tono o te ao, ko HEC e tata ana ki te 13% o te mākete o te ao. Ko te whakamahinga whakamutunga nui rawa atu o te carboxymethyl cellulose (CMC) ko te hopi horoi, e tata ana ki te 22% o te tono o te mākete i raro iho, ā, ko ētahi atu hua e whakamahia ana i roto i ngā rauemi hanga, te kai me te rongoā.
II. Te tono o raro
I ngā wā o mua, nā te iti o te hiahia mō te cellulose ether i roto i ngā matū o ia rā, te rongoā, te kai, ngā paninga me ētahi atu mara i Haina, ko te hiahia mō te cellulose ether i Haina kei te aro nui ki te mara o ngā rauemi hanga, tae noa ki tēnei rā, e 33% tonu te hiahia mō te cellulose ether i Haina e noho ana i roto i te umanga rauemi hanga. Pērā i te cellulose ether o Haina kua kī te hiahia mō ngā rauemi hanga, kei te tere tipu te hiahia mō ngā matū o ia rā, te rongoā, te kai, te paninga me ētahi atu mara me te whanaketanga o te hangarau tono. Hei tauira, i ngā tau tata nei, he whānui te hiahia mō te kāpū tipu me te cellulose ether hei rauemi mata matua, me ngā hua hou i hangaia mai i te mīti horihori me te cellulose ether he whānui te hiahia me te wāhi tipu.
I roto i te mara o ngā rauemi hanga, hei tauira, ko te cellulose ether me te matotoru, te pupuri wai, te puhoi o te haukū me ētahi atu āhuatanga pai rawa atu, nō reira ka whakamahia whānuitia te cellulose ether taumata rauemi hanga hei whakapai ake i te mahi a ngā hua rauemi hanga tae atu ki te moata kua oti te whakaranu (tae atu ki te moata kua whakaranua mākū me te moata kua whakaranua maroke), te hanga kapia PVC, te peita rapa, te putty, me ētahi atu. Nā te whakapainga o te taumata o te noho tāone i Haina, te tere o te whanaketanga o te umanga rauemi hanga, kei te whakapai tonu te taumata o te miihini hanga, ā, kei te piki haere ngā hiahia taiao a ngā kaihoko mō ngā rauemi hanga, ka hua ake te hiahia mō te cellulose ether kore-ionic i roto i te mara o ngā rauemi hanga. I te wā o te Mahere Rima-Tau 13, i tere ake a Haina i te whakahoutanga o ngā wāhi kua pakaru me ngā whare kua pakaru i roto i ngā tāone, me te whakapakari i te hanganga o ngā hanganga tāone, tae atu ki te tere ake i te whakahoutanga o ngā wāhi kua pakaru me ngā kāinga kua huihui i roto i ngā tāone, me te whakatairanga i te whakahoutanga whānui o ngā wāhi noho tawhito me te whakahoutanga o ngā whare tawhito kua pakaru me ngā huinga whare kāore i oti. I te haurua tuatahi o te tau 2021, i tīmatahia te 755.15 miriona mita pūrua o te wāhi noho, he pikinga 5.5 ōrau. Ko te whānuitanga o ngā whare kua oti ko te 364.81 miriona mita pūrua, he pikinga 25.7%. Mā te pikinga ake o te whānuitanga o ngā whenua kua oti ka akiaki i te tono e tika ana i roto i te mara o ngā rauemi hanga cellulose ether.
3. Tauira whakataetae mākete
Ko Haina te whenua whakaputa cellulose ether o te ao, i tēnei wā kua tutuki te taumata o te cellulose ether o te whare, ko Anxin Chemistry te kaiarahi o ngā umanga i roto i te mara o te cellulose ether, ko ētahi atu kaihanga nui o te whare ko Kima Chemical me ētahi atu. Ko te taumata paninga, ko te nuinga o ngā kamupene rongoā cellulose ether kai ko te United States Dow, Ashland, Japan shinetsu, South Korea Lotte me ētahi atu kamupene ke. Haunga te Anxin Chemistry, neke atu i te tekau mano tana o ngā umanga, mano tana o ngā kamupene whakaputa iti o te cellulose ether kore-ionic, ko te nuinga o ēnei umanga iti e whakaputa ana i te tauira rauemi hanga noa o te cellulose ether, ā, kāore he kaha ki te whakaputa i ngā hua kai me ngā hua rongoā teitei.
Whā, te āhuatanga kawemai me te kaweake o te cellulose ether
I te tau 2020, nā te mate urutā ki tāwāhi i heke ai te kaha whakaputa a ngā umanga ke, i tere te tipu o ngā kaweake cellulose ether a Haina, ā, i te tau 2020 ka eke te kaweake o te cellulose ether ki te 77,272 tana. Ahakoa te tere o te tipu o te rahinga kaweake o te cellulose ether i Haina, ko ngā hua kaweake e ahu mai ana i ngā rauemi hanga cellulose ether te nuinga, engari he iti rawa te rahinga kaweake o te cellulose ether hauora me te kai, ā, he iti te uara tāpiri o ngā hua kaweake. I tēnei wā, e whā ngā wā o te rahinga kaweake o te cellulose ether i Haina i te rahinga kawemai, engari he iti iho i te rua ngā wā o te nui o te kaweake te rahinga kaweake. I roto i te mara o ngā hua kounga teitei, he nui tonu te wāhi mō te whanaketanga o te tukanga whakakapinga kaweake cellulose ether ā-rohe.
Wā tuku: Paenga-whāwhā-25-2024