Ingantaccen Gyaran takarda mai tsufa-[N-Methylol Acrylamide 98%]
Takarda, a matsayin babban mai jigilar kayayyakin al'adu na takarda, ita ce taska na wayewar dan Adam, da gado da kuma rubuta tarihi, da al'adu da wayewar ruhin al'ummar kasar Sin.A cikin 'yan shekarun nan, saboda rashin gyare-gyare, tsufa na dabi'a, ƙwanƙarar cin asu, babban adadin takarda ya bayyana mai tsanani acidification, tsufa, yellowing gaggautsa har ma da comminuted sabon abu.Kariya da kuma maido da takarda al'adu relics tare da takarda kamar yadda mai ɗauka ya kasance. mayar da hankali ga, amma maido da takarda daga tushen ya ragu, yana da wuya a gaske tsawaita rayuwar sabis. Ayyukan kiyayewa da sabuntawa na yau da kullum sun fi mayar da hankali kan tsarin deacidification, da ƙananan binciken akan ƙarfafawa. Hanyoyin gyare-gyaren ƙarfafawa na yanzu na iya haifar da lalacewa ga tsarin takarda, ko canza ma'auni na macroscopic na takarda, ko haɓaka tsufa na takarda, da kuma dogara ga manual, ba zai iya zama gyaran ƙarfafawa mai yawa ba.
Dangane da tsarin tsufa na takarda da manyan abubuwan da ke shafar ƙarfin takarda, haɗe tare da halin da ake ciki na takarda tsufa na yanzu da kuma buƙatun maido da kayan al'adun takarda, ana amfani da hanyar atomization na Ultrasonic don jigilar wakili mai ƙarfafa darajar micron atom zuwa ciki na takarda a cikin ƙananan gudu, don tabbatar da cewa takarda a hankali da kuma cikawa mai ƙarfafawa mai ƙarfafawa, kamar yadda zai yiwu don kauce wa lalacewar takarda, kuma za'a iya amfani dashi don gyaran haɓakar taro.N-hydroxymethylacrylamide a matsayin Takarda ingantawa ne monomer tare da mai kyau ruwa solubility da sinadaran reactivity.Ta hanyar dahaɗe-haɗedauki tsakaninN-Methylol Acrylamide da fiber na takarda da samfuran polymerization na kai-tsaye sun cika sarari tsakanin filayen takarda, inganta ƙarfin haɗin gwiwa tsakanin filayen takarda, da kuma gane ingantaccen gyaran takarda.
NMAda aka yi amfani da ƙarfafa gyaran electrostatic kwafin takarda ta hanyar ultrasonic atomization, da kuma tasiri na atomization sha, enhancer maida hankali, atomization kudi da bushewa zafin jiki a kan ƙarfafa sakamako na electrostatic kwafin takarda da aka explored.And canje-canje na macroscopic ilimin halittar jiki, microscopic surface tsari, abubuwan da ke cikin ƙasa da ƙungiyoyin sinadarai na ciki na takarda kafin da bayan ƙarfafawa.
Halin yanayin macroscopic na takarda bai canza sosai ba bayan ingantaccen sabuntawa, wanda ya tabbatar da hakanNMAzai iya samun nasarar gane ingantaccen gyaran takarda ba tare da haifar da lalacewa na biyu ba, don haka ana iya amfani da shi don haɓakar gyare-gyare na tsofaffin littattafai masu daraja irin su takarda tsufa.Bayan tsufa na wucin gadi, kayan aikin jiki na N-hydroxymethyl acrylamide ingantaccen takarda ya fi na na takardun da ba a kula da su ba, musamman ma'anar ma'auni da ƙididdiga masu tsagewa suna da ƙarin kwanciyar hankali; Bincike na infrared bakan ya nuna cewa halayen halayen hydrogen bond sun fi dacewa a cikin tsarin tsufa na takarda da aka gyara. Ƙarin NMA yana kare haɗin kai tsakanin filayen takarda zuwa wani matsayi.
Lokacin aikawa: Afrilu-19-2023