Tsaftar ɓangaren litattafan almara yana nufin matakin abun ciki na cellulose da adadin ƙazanta a cikin ɓangaren litattafan almara. Mafi kyawun ɓangaren litattafan almara ya kamata ya kasance mai wadata a cikin cellulose, yayin da abun ciki na hemicellulose, lignin, ash, extractives da sauran abubuwan da ba cellulose ba ya kamata ya zama ƙasa kamar yadda zai yiwu. Abun cikin cellulose kai tsaye yana ƙayyade tsabta da ƙimar amfani na ɓangaren litattafan almara, kuma yana ɗaya daga cikin mahimman alamomi don tantance ingancin ɓangaren litattafan almara. Halayen tsaftataccen ɓangaren litattafan almara:
(1) mafi girma karko, cellulose shine babban bangaren da ya ƙunshi ƙarfin takarda, babban tsaftataccen ɓangaren litattafan almara yana nufin abun ciki na cellulose mafi girma, don haka takarda da aka yi yana da ƙarfin juriya na hawaye, juriya na nadawa da sauran kayan aikin jiki da na inji, yana kara tsawon rayuwar sabis na takarda.
(2) Ƙarfafa haɗin gwiwa, zaruruwan cellulose mai tsabta na iya samar da hanyar sadarwa ta kusa tsakanin takarda don haɓaka haɗin ciki na ciki, don haka takarda ba ta da sauƙi a lalata ko karya lokacin da aka yi wa sojojin waje, don haɓaka ƙarfin takarda gaba ɗaya. .
(3) mafi girman fari, kasancewar ƙazanta sau da yawa yana shafar fari da sheki na takarda. Babban tsaftataccen tsafta, saboda kawar da mafi yawan ƙazanta masu launin launi, ya sa takarda ta nuna mafi girman fari na halitta, wanda ya fi dacewa da bugu, rubutu da marufi, da dai sauransu, kuma yana haɓaka tasirin gani na samfurin.
(4) mafi kyawun kaddarorin wutar lantarki, cellulose yana da kyawawan kaddarorin kariya, yayin da abubuwan da ba cellulose ba a cikin ɓangaren litattafan almara, kamar lignin, na iya ƙunsar abubuwa masu ɗaukar hoto ko hygroscopic, suna shafar murfin lantarki na takarda. Saboda haka, takarda da aka yi daga ɓangaren litattafan almara mai tsabta tana da nau'o'in aikace-aikace a cikin aikin injiniya na lantarki, kamar takarda na USB, takarda capacitor, da dai sauransu.
Babban tsabtataccen ɓangaren litattafan almara, masana'antar takarda ta zamani tana amfani da matakai iri-iri na ci gaba, irin su sinadarai pulping (ciki har da sulphate pulping, sulphite pulping, da dai sauransu), ƙwanƙwasa injin (kamar thermal niƙa inji ɓangaren litattafan almara TMP) da sinadarai injin pulping (CMP). ) da sauransu. Waɗannan matakai suna haɓaka tsabtar ɓangaren litattafan almara ta hanyar cirewa ko canza abubuwan da ba cellulosic na albarkatun ƙasa ba.
Babban tsaftataccen ɓangaren litattafan almara ana amfani da shi sosai a fagage da yawa kamar takardar al'adu mai girma, takarda marufi, takarda na musamman (misali, takardar rufewar lantarki, takarda tace, takarda likita, da sauransu) da takarda na gida, wanda ya dace da babban ma'aunin ingancin takarda. da ake buƙata ta masana'antu daban-daban.
Yashi Paper kawai yana yin 100% budurwa bamboo pulp, ci bamboo fiber guda ɗaya, wanda shine mafi kyawun zaɓi don tsafta da takarda mai inganci.
Lokacin aikawa: Satumba-27-2024