Cellulose etherkalma ce ta gaba ɗaya don nau'ikan abubuwan da aka samo daga cellulose na halitta (mai ladabi auduga da ɓangaren litattafan almara, da dai sauransu) Samfurin da aka samo asali ne na asali na cellulose. Bayan etherification, cellulose ne mai narkewa a cikin ruwa, diluted alkali bayani da kwayoyin kaushi, kuma yana da thermoplasticity. Akwai nau'ikan ethers na cellulose da yawa, waɗanda aka fi amfani da su a cikin gine-gine, siminti, fenti, magunguna, abinci, man fetur, sinadarai na yau da kullun, yadi, yin takarda da kayan lantarki da sauran masana'antu. Dangane da adadin masu maye gurbin, ana iya raba shi zuwa ether guda ɗaya da gauraye ether, kuma bisa ga ionization, ana iya raba shi zuwa ether cellulose ionic da ether maras ionic. A halin yanzu, samfuran ionic cellulose ether ionic suna da fasahar samar da balagagge, shiri mai sauƙi, ƙarancin farashi, da ƙananan shingen masana'antu. Ana amfani da su musamman a cikin kayan abinci, kayan taimako na masaku, sinadarai na yau da kullun da sauran fannoni, kuma sune manyan samfuran kasuwa.
A halin yanzu, manyan ethers cellulose na duniya suneCMC, HPMC, MC, HEC, da sauransu. A cikin su, CMC ya fi girma, wanda ya kai kusan rabin abin da ake fitarwa a duniya, yayin da HPMC da MC ke da kusan kashi 33% na bukatun duniya, kumaHECyana da kusan kashi 50% na buƙatun duniya. 13% na kasuwa. Mafi mahimmancin ƙarshen amfani da carboxymethyl cellulose (CMC) shine wanki, wanda ya kai kusan kashi 22% na buƙatun kasuwa na ƙasa, kuma ana amfani da sauran samfuran galibi a fagen kayan gini, abinci da magunguna.
Aikace-aikace na ƙasa
A baya, saboda karancin ci gaban bukatar kasara ta samar da sinadarin cellulose ether a fannonin sinadarai na yau da kullun, magunguna, abinci, sutura, da dai sauransu, bukatu na ether a kasar Sin ya ta'allaka ne a fannin kayayyakin gini. Har zuwa yau, masana'antar kayan gini har yanzu tana da kashi 33% na buƙatun ether na ƙasata. Bukatar ether na ƙasata a fannin kayan gini ya cika, kuma buƙatu a fannonin sinadarai na yau da kullun, magunguna, abinci, sutura, da dai sauransu na haɓaka cikin sauri tare da haɓaka fasahar aikace-aikacen. Alal misali, a cikin 'yan shekarun nan, capsules na kayan lambu tare da cellulose ether a matsayin babban kayan albarkatun kasa, da naman wucin gadi, samfurin da aka yi da ether cellulose, suna da buƙatu mai yawa da kuma dakin girma.
Ɗaukar filin kayan gini a matsayin misali, ether cellulose yana da kyawawan kaddarorin irin su kauri, riƙewar ruwa, da jinkirtawa. Saboda haka, ginin abu sa cellulose ether ne yadu amfani don inganta samar da shirye-mixed turmi (ciki har da rigar-mixed turmi da bushe-mixed turmi), PVC guduro, da dai sauransu , latex Paint, putty, da dai sauransu, ciki har da wasan kwaikwayon na kayayyakin kayan gini. Godiya ga ingantuwar matakin birane na kasata, saurin bunkasuwar masana'antar kayayyakin gini, da ci gaba da inganta matakan gine-ginen gine-gine, da karuwar bukatun kare muhalli na masu amfani da kayan gini, sun haifar da bukatar ethers wadanda ba na ionic cellulose ba. a fagen kayan gini. A cikin shirin na shekaru biyar na 13, kasar ta ta hanzarta kawo sauyi ga kauyuka da rugujewar gidaje, tare da karfafa gine-ginen gine-ginen birane, gami da hanzarta sauya guraren dazuzzuka da kauyuka, cikin tsari da inganta ingantaccen gyaran tsoffin gidajen zama. rugujewar tsofaffin gidaje da kuma wuraren da ba a kammala ba Gyaran gidaje da sauransu. A farkon rabin shekarar 2021, yankin sabbin gine-ginen gida da aka fara shine murabba'in murabba'in miliyan 755.15, karuwar kashi 5.5%. Yankin da aka kammala na gidaje ya kai murabba'in murabba'in miliyan 364.81, haɓakar 25.7%. Maido da yankin da aka kammala na dukiya zai fitar da buƙatun da ke da alaƙa a fagen ginin ether cellulose.
Tsarin gasar kasuwa
Ƙasata ita ce babbar mai samar da ether cellulose a duniya. A wannan mataki, matakin kayan gini na gida cellulose ether ya kasance cikin gida. Shandong Heda ita ce kan gaba a fannin samar da sinadarin cellulose ether a kasar Sin. Sauran manyan masana'antun cikin gida sun hada da Shandong Ruitai, Shandong Yiteng, da North Tianpu Chemical, Yicheng Cellulose, da dai sauransu. Coating-grade, Pharmaceutical and Food-grade cellulose ethers a halin yanzu yafi monopolized daga kasashen waje kamfanoni kamar Dow, Ashland, Shin-Etsu, da kuma Lotte Baya ga Shandong Heda da sauran kamfanoni masu karfin fiye da ton 10,000, akwai wasu kananan masana'antun da ba na ionic cellulose ethers masu karfin tan 1,000. Manyan kayan abinci da samfuran magunguna.
Shigo da fitarwa na ether cellulose
A cikin 2020, saboda raguwar ikon samar da kamfanoni na waje saboda annobar ketare, yawan fitar da ether na cellulose a cikin ƙasa na ya nuna saurin ci gaba. A cikin 2020, fitar da ether cellulose zai kai ton 77,272. Ko da yake yawan fitar da na kasatacellulose etherya girma cikin sauri, samfuran da ake fitarwa sun fi gina kayan ether cellulose, yayin da adadin samfuran ether na kiwon lafiya da na abinci da ake fitarwa ba su da yawa sosai, kuma ƙarin ƙimar samfuran fitarwa ba ta da yawa. A halin yanzu, adadin da ake fitarwa na ether ɗin cellulose na ƙasata ya ninka adadin shigo da kaya sau huɗu, amma ƙimar fitarwar bai ninka darajar shigo da kaya ba. A fagen manyan kayayyaki, tsarin maye gurbin fitarwa na gida cellulose ether har yanzu yana da ɗaki mai yawa don haɓakawa.
Lokacin aikawa: Afrilu-26-2024