Celluloseshine babban ɓangaren bangon ƙwayoyin shuka, kuma shine polysaccharide mafi yaɗuwa kuma mafi yawan polysaccharide a yanayi, wanda ya kai fiye da kashi 50% na sinadarin carbon a cikin masarautar shuka. Daga cikinsu, sinadarin cellulose na auduga yana kusa da kashi 100%, wanda shine tushen cellulose na halitta mafi tsarki. Gabaɗaya, cellulose yana da kashi 40-50%, kuma akwai 10-30% hemicellulose da 20-30% lignin. Cellulose ether kalma ce ta gabaɗaya don nau'ikan abubuwan da aka samo daga cellulose na halitta azaman kayan ƙasa ta hanyar etherification. Samfuri ne da aka samar bayan an maye gurbin ƙungiyoyin hydroxyl akan cellulose macromolecules wani ɓangare ko gaba ɗaya da ƙungiyoyin ether. Akwai haɗin hydrogen na cikin sarka da sarka a cikin macromolecules na cellulose, waɗanda ke da wahalar narkewa a cikin ruwa da kusan dukkanin abubuwan da ke narkewa a cikin kwayoyin halitta, amma bayan etherification, gabatar da ƙungiyoyin ether na iya inganta hydrophilicity kuma yana ƙara yawan narkewa a cikin ruwa da abubuwan da ke narkewa a cikin kwayoyin halitta. Sifofin narkewa.
Cellulose ether yana da suna na "glutamate na masana'antu na monosodium". Yana da kyawawan halaye kamar kauri na ruwa, kyakkyawan narkewar ruwa, kwanciyar hankali na dakatarwa ko latex, samar da fim, riƙe ruwa, da mannewa. Hakanan ba shi da guba kuma ba shi da ɗanɗano, kuma ana amfani da shi sosai a cikin kayan gini, magani, abinci, yadi, sinadarai na yau da kullun, binciken mai, hakar ma'adinai, yin takarda, polymerization, sararin samaniya da sauran fannoni da yawa. Cellulose ether yana da fa'idodin aikace-aikace mai faɗi, amfani da ƙananan na'urori, kyakkyawan tasirin gyara, da kuma kyautata muhalli. Yana iya ingantawa sosai da inganta aikin samfura a fannin ƙara shi, wanda ke taimakawa wajen inganta ingancin amfani da albarkatu da ƙara darajar samfura. Ƙarin abubuwa masu kyau ga muhalli waɗanda suke da mahimmanci a fannoni daban-daban.
Dangane da ionization na cellulose ether, nau'in maye gurbin da kuma bambancin narkewar sinadaran, ana iya rarraba cellulose ether zuwa rukuni daban-daban. Dangane da nau'ikan maye gurbin, ana iya raba cellulose ethers zuwa ethers guda ɗaya da ethers gauraye. Dangane da narkewar sinadaran, ana iya raba cellulose ether zuwa samfuran da ke narkewar ruwa da kuma waɗanda ba sa narkewar ruwa. Dangane da ionization, ana iya raba shi zuwa samfuran ionic, non-ionic da gauraye. Daga cikin cellulose ethers masu narkewar ruwa, non-ionic cellulose ethers kamar HPMC suna da juriyar zafin jiki da juriyar gishiri fiye da ionic cellulose ethers (CMC).
Ta yaya cellulose ether ke haɓakawa a cikin masana'antar?
Ana yin Cellulose ether daga auduga mai tsafta ta hanyar amfani da alkalization, etherification da sauran matakai. Tsarin samar da HPMC na magunguna da HPMC na abinci iri ɗaya ne. Idan aka kwatanta da gina cellulose ether na kayan magani, tsarin samar da HPMC na magunguna da HPMC na abinci yana buƙatar etherification mai tsari, wanda yake da rikitarwa, mai wahalar sarrafa tsarin samarwa, kuma yana buƙatar tsaftar kayan aiki da yanayin samarwa sosai.
A cewar bayanan da Ƙungiyar Masana'antar Cellulose ta China ta bayar, jimillar ƙarfin samar da masana'antun ether na cellulose marasa ionic waɗanda ke da babban ƙarfin samar da kayayyaki a cikin gida, kamar Hercules Temple, Shandong Heda, da sauransu, ya wuce kashi 50% na jimlar ƙarfin samarwa na ƙasa. Akwai wasu ƙananan masana'antun ether na cellulose marasa ionic da yawa waɗanda ƙarfin samarwa bai wuce tan 4,000 ba. Banda wasu kamfanoni kaɗan, yawancinsu suna samar da ethers na cellulose na kayan gini na yau da kullun, tare da jimlar ƙarfin samarwa na kimanin tan 100,000 a kowace shekara. Saboda rashin ƙarfin kuɗi, ƙananan kamfanoni da yawa sun kasa cika ƙa'idodin saka hannun jari a fannin kula da muhalli a fannin tace ruwa da kuma tace iskar gas don rage farashin samarwa. Yayin da ƙasar da dukkan al'umma ke ƙara mai da hankali kan kare muhalli, waɗannan kamfanoni a cikin masana'antar da ba za su iya biyan buƙatun kare muhalli ba za su rufe ko rage samarwa a hankali. A wannan lokacin, yawan masana'antar kera cellulose ether ta ƙasata zai ƙara ƙaruwa.
Manufofin kare muhalli na cikin gida suna ƙara zama masu tsauri, kuma ana gabatar da tsauraran buƙatu don fasahar kare muhalli da saka hannun jari a cikin tsarin samarwacellulose etherMatakan kariya daga muhalli masu inganci suna ƙara farashin samarwa na kamfanoni kuma suna samar da babban matakin kariya ga muhalli. Kamfanonin da ba za su iya biyan buƙatun kariya daga muhalli ba za a iya rufe su a hankali ko rage samarwa saboda gazawar cika ƙa'idodin kariya daga muhalli. A cewar takardar bayanin kamfanin, kamfanonin da ke rage samarwa a hankali da kuma dakatar da samarwa saboda abubuwan kare muhalli na iya buƙatar samar da jimlar tan 30,000 a kowace shekara na cellulose ether na kayan gini na yau da kullun, wanda ke da amfani ga faɗaɗa kamfanoni masu fa'ida.
Dangane da cellulose ether, yana ci gaba da faɗaɗawa zuwa samfuran da aka ƙara masu daraja da tsada.
Lokacin Saƙo: Afrilu-25-2024