Konutai wairewa-waicarboxymethyl cellulose, ko te methyl cellulose, te hydroxypropyl methyl cellulose, te hydroxypropyl cellulose, te hydroxyethyl cellulose me te ethyl cellulose wairewa-hinu ka whakamahia katoatia hei whakapiripiri, hei wawahi, hei rauemi tukunga pumau me te whakahaere mō ngā whakaritenga ā-waha, hei kaihoko hanga kiriata paninga, hei rauemi kāpūru me ngā kaihoko whakatārewatanga ka whakamahia i roto i ngā kaihautū rongoā. I te titiro ki te ao, he maha ngā kamupene o tāwāhi (Shin-Etsu Japan, Dow Wolfe me Ashland Cross Dragon) kua kite i te mākete nui o te cellulose rongoā i Haina, mā te whakanui ake i te whakaputanga, te whakakotahi rānei, ā, kua whakanui ake i ā rātou mahi i tēnei mara. whakaurunga tono i roto. I kī a Dow Wolfe ka whakapakari ake i tana arotahi ki te whakatakotoranga, ngā kai me te tono o te mākete whakaritenga rongoā Hainamana, ā, ka whai hoki tana rangahau tono ki te whakatata atu ki te mākete. Kua whakatūria e te Dow Chemical Wolff Cellulose Division me te Colorcon Corporation o te Hononga o Amerika tētahi hononga hanganga tukunga pumau me te whakahaere i runga i te tauine ao, me te neke atu i te 1,200 ngā kaimahi i roto i ngā tāone e 9, 15 ngā umanga rawa me te 6 ngā kamupene GMP, he maha ngā tohunga rangahau tono e mahi ana ki ngā kiritaki i roto i te tata ki te 160 whenua. Kei a Ashland ngā turanga whakaputa i Beijing, Tianjin, Shanghai, Nanjing, Changzhou, Kunshan me Jiangmen, ā, kua haumi ki roto i ngā pokapū rangahau hangarau e toru i Shanghai me Nanjing.
E ai ki ngā tatauranga mai i te paetukutuku o te China Cellulose Association, i te tau 2017, ko te hanga ā-rohe o te cellulose ether he 373,000 tana, ā, ko te rahinga hoko he 360,000 tana. I te tau 2017, ko te rahinga hoko tuturu o te CMC ionic he 234,000 tana, he pikinga 18.61% ia tau, ā, ko te rahinga hoko o te kore-ionicCMChe 126,000 tana, he pikinga 8.2% ia tau. Haunga te HPMC (te taumata rauemi hanga), ngā hua kore-ionic, te HPMC (te taumata rongoā),HPMC(kai kounga),HEC, HPC, MC, HEMC, me ētahi atu kua huri i te ia o te ao, ā, kei te piki haere tonu ā rātou mahi whakaputa me ā rātou hoko. Kua tere te tipu o te cellulose ether ā-rohe mō ngā tau tekau neke atu, ā, ko tana putanga kua waiho hei tuatahi i te ao. Heoi, ko ngā hua o te nuinga o ngā kamupene cellulose ether e whakamahia ana i ngā mara waenga me ngā mara iti o te umanga, ā, kāore i te teitei te uara tāpiri.
I tēnei wā, ko te nuinga o ngā umanga hanga cellulose ā-rohe kei roto i te wā tino nui o te panonitanga me te whakapai ake. Me haere tonu rātou ki te whakanui ake i ngā mahi rangahau me te whakawhanaketanga hua, me te whakarei ake i ngā momo hua, me te whakamahi katoa i a Haina, te mākete nui rawa atu o te ao, me te whakanui ake i ngā mahi ki te whakawhanake i ngā mākete o tāwāhi, kia taea ai e ngā umanga te whakaoti wawe i te panonitanga me te whakapai ake, te tomo ki te mara waenga me te taumata teitei o te umanga, me te whakatutuki i te whanaketanga pai me te matomato.
Wā tuku: Paenga-whāwhā-25-2024