Cellulose etherkalma ce ta gabaɗaya ga nau'ikan abubuwan da aka samo daga cellulose na halitta (auduga mai ladabi da ɓangaren itacen itace, da sauransu). Samfurin da aka samo asali ne daga cellulose. Bayan etherification, cellulose yana narkewa a cikin ruwa, yana narkewar maganin alkali da kuma ruwan da ke narkewa a cikin halitta, kuma yana da thermoplasticity. Akwai nau'ikan cellulose ethers da yawa, waɗanda ake amfani da su sosai a cikin gini, siminti, fenti, magani, abinci, man fetur, sinadarai na yau da kullun, yadi, yin takarda da kayan lantarki da sauran masana'antu. Dangane da adadin abubuwan maye, ana iya raba shi zuwa ether ɗaya da gauraye ether, kuma bisa ga ionization, ana iya raba shi zuwa ionic cellulose ether da non-ionic cellulose ether. A halin yanzu, samfuran ionic cellulose ether ionic suna da fasahar samarwa mai girma, shiri mai sauƙi, araha, da kuma shinge mai ƙarancin masana'antu. Ana amfani da su galibi a cikin ƙarin abinci, kayan taimakon yadi, sinadarai na yau da kullun da sauran fannoni, kuma sune manyan samfuran da ke kasuwa.
A halin yanzu, manyan ƙwayoyin cellulose a duniya suneCMC, HPMC, MC, HEC, da sauransu. Daga cikinsu, CMC tana da mafi girman fitarwa, wanda ya kai kusan rabin fitarwa na duniya, yayin da HPMC da MC ke da kusan kashi 33% na buƙatun duniya, kumaHECYana wakiltar kusan kashi 50% na buƙatun duniya. Kashi 13% na kasuwa. Mafi mahimmancin amfani da carboxymethyl cellulose (CMC) shine sabulun wanki, wanda ya kai kusan kashi 22% na buƙatun kasuwa, kuma ana amfani da wasu kayayyaki galibi a fannonin kayan gini, abinci da magunguna.
Aikace-aikacen ƙasa
A da, saboda ƙarancin ci gaban da ƙasarmu ke samu na sinadarin cellulose ether a fannin sinadarai na yau da kullun, magunguna, abinci, kayan shafa, da sauransu, buƙatar cellulose ether a ƙasar Sin ta fi mayar da hankali ne a fannin kayan gini. Har zuwa yau, masana'antar kayan gini har yanzu tana da kashi 33% na buƙatar cellulose ether a ƙasarmu. Buƙatar cellulose ether ta ƙasata a fannin kayan gini ya cika, kuma buƙatar a fannin sinadarai na yau da kullun, magunguna, abinci, kayan shafa, da sauransu tana ƙaruwa da sauri tare da haɓaka fasahar amfani. Misali, a cikin 'yan shekarun nan, ƙwayoyin kayan lambu tare da cellulose ether a matsayin babban kayan aiki, da kuma nama na wucin gadi, wani samfuri mai tasowa da aka yi da cellulose ether, suna da fa'idodi masu yawa da kuma sarari don ci gaba.
Idan aka yi la'akari da fannin kayan gini, cellulose ether yana da kyawawan halaye kamar kauri, riƙe ruwa, da kuma jinkiri. Saboda haka, ana amfani da cellulose ether mai nauyin kayan gini sosai don inganta samar da turmi mai gauraye (gami da turmi mai gauraye da busasshen turmi), resin PVC, da sauransu, fenti mai latex, putty, da sauransu, gami da aikin kayayyakin gini. Godiya ga ci gaban matakin birane na ƙasata, saurin ci gaban masana'antar kayan gini, ci gaba da inganta matakin injinan gini, da kuma ƙaruwar buƙatun kare muhalli na masu amfani da kayan gini sun haifar da buƙatar ethers cellulose marasa ionic a fannin kayan gini. A lokacin Tsarin Shekaru Biyar na 13, ƙasata ta hanzarta sauya garuruwan birni da gidaje masu gauraye, da kuma ƙarfafa gina kayayyakin more rayuwa na birane, gami da hanzarta sauya garuruwan birni da ƙauyukan birane, da haɓaka cikakken gyaran tsoffin gidaje, tsoffin gidaje masu gauraye da wuraren da ba su cika ba Gyaran gidaje da ƙari. A rabin farko na shekarar 2021, fadin sabbin gine-ginen gidaje na cikin gida ya kai murabba'in mita miliyan 755.15, karuwar kashi 5.5%. Fadin gidaje da aka kammala shine murabba'in mita miliyan 364.81, karuwar kashi 25.7%. Farfado da yankin gidaje da aka kammala zai haifar da bukatar da ke tattare da hakan a fannin kayan gini na cellulose ether.
Tsarin gasar kasuwa
Ƙasata babbar mai samar da cellulose ether ce a duniya. A wannan matakin, an samar da cellulose ether mai ingancin kayan gini a cikin gida. Shandong Heda ita ce babbar kamfani a fannin cellulose ether a China. Sauran manyan masana'antun cikin gida sun haɗa da Shandong Ruitai, Shandong Yiteng, da North Tianpu Chemical, Yicheng Cellulose, da sauransu. Kamfanonin ƙasashen waje kamar Dow, Ashland, Shin-Etsu, da Lotte ne ke da ikon mallakar cellulose ethers masu nauyin tan 10,000. Baya ga Shandong Heda da sauran kamfanoni masu ƙarfin tan 10,000, akwai ƙananan masana'antun cellulose ethers marasa ionic waɗanda ke da ƙarfin tan 1,000. Kayayyakin abinci da magunguna masu inganci.
Shigo da fitar da cellulose ether
A shekarar 2020, saboda raguwar karfin samar da kamfanonin kasashen waje sakamakon annobar da ta barke a kasashen waje, yawan fitar da sinadarin cellulose ether a kasarmu ya nuna saurin ci gaba. A shekarar 2020, fitar da sinadarin cellulose ether zai kai tan 77,272. Duk da cewa yawan fitar da sinadarin na kasarmucellulose etherAn samu ci gaba cikin sauri, kayayyakin da aka fitar da su galibi kayan gini ne na cellulose ether, yayin da adadin fitar da su na likitanci da na abinci ya yi karanci sosai, kuma ƙarin darajar kayayyakin fitarwa ya yi ƙasa. A halin yanzu, yawan fitar da su na cellulose ether na ƙasata ya ninka adadin shigo da su sau huɗu, amma ƙimar fitarwa ta ƙasa da ninki biyu na ƙimar shigo da su. A fannin samfuran da suka fi tsada, tsarin maye gurbin cellulose ether na cikin gida har yanzu yana da sarari mai yawa don ci gaba.
Lokacin Saƙo: Afrilu-26-2024