Takaitawa:Wannan takarda yana bincika tasiri da ka'idar cellulose ether a kan manyan kaddarorin kayan adhesives na tayal ta hanyar gwaje-gwajen orthogonal.Babban abubuwan inganta shi suna da takamaiman mahimmancin tunani don daidaita wasu kaddarorin mannen tayal.
A zamanin yau, samarwa, sarrafawa da amfani da ether na cellulose a cikin ƙasata suna cikin matsayi mafi girma a duniya.Ci gaba da haɓakawa da amfani da ether cellulose shine mabuɗin haɓaka sabbin kayan gini a ƙasata.Tare da ci gaba da ci gaban fale-falen fale-falen buraka da ci gaba da haɓakawa da haɓaka ayyukansu, zaɓin nau'ikan aikace-aikacen turmi a cikin sabon kasuwar kayan gini an haɓaka.Koyaya, yadda ake ƙara haɓaka babban aikin fale-falen fale-falen fale-falen ya zama haɓakar kasuwar mannen tayal.sabuwar hanya.
1. Gwada albarkatun kasa
Siminti: An yi amfani da simintin PO 42.5 na Portland na yau da kullun da Changchun Yatai ya samar a wannan gwaji.
Yashi na Quartz: An yi amfani da raga 50-100 a cikin wannan gwajin, wanda aka samar a Dalin, Mongolia na ciki.
Redispersible latex foda: An yi amfani da SWF-04 a cikin wannan gwajin, wanda Shanxi Sanwei ya samar.
Fiber itace: Fiber da aka yi amfani da ita a wannan gwajin ana yin ta ne ta Kayayyakin Gine-gine na Changchun Huihuang.
Cellulose ether: Wannan gwajin yana amfani da methyl cellulose ether tare da danko na 40,000, wanda Shandong Ruitai ya samar.
2. Hanyar gwaji da bincike na sakamako
Hanyar gwaji na ƙarfin haɗin gwiwa yana nufin daidaitattun JC/T547-2005.Girman yanki na gwajin shine 40mm x 40mm x 160mm.Bayan kafa, bar shi ya tsaya don 1d kuma cire tsarin aiki.Warke a cikin akwatin zafi akai-akai na tsawon kwanaki 27, an ɗaure shugaban zane tare da toshe gwajin tare da resin epoxy, sannan a sanya shi a cikin madaidaicin zafin jiki da akwatin zafi a zazzabi na (23 ± 2) ° C da ƙarancin dangi na ( 50± 5).1d, Bincika samfurin don fasa kafin gwajin.Shigar da na'ura zuwa na'ura mai ba da wutar lantarki na duniya don tabbatar da cewa haɗin da ke tsakanin na'ura da na'urar gwaji ba a lankwasa ba, ja samfurin a gudun (250 ± 50) N / s, kuma rikodin bayanan gwajin.Adadin siminti da aka yi amfani da shi a cikin wannan gwajin shine 400g, jimillar nauyin sauran kayan shine 600g, an daidaita rabon ruwa mai ɗaurin ruwa a 0.42, kuma an karɓi ƙirar ƙira ( abubuwa 3, matakan 3), kuma abubuwan sune abun ciki. na ether cellulose, abun ciki na foda na roba da kuma rabon ciminti zuwa yashi , bisa ga binciken da aka yi a baya don sanin ƙayyadaddun ƙayyadaddun kowane abu.
2.1 Sakamakon gwaji da bincike
Gabaɗaya, tile adhesives suna rasa ƙarfin haɗin gwiwa bayan nutsewar ruwa.
Daga sakamakon gwajin da aka samu ta hanyar gwajin orthogonal, ana iya gano cewa ƙara yawan adadin ether na cellulose da foda na roba na iya haɓaka ƙarfin haɗin gwiwa na mannen tayal zuwa wani ɗan lokaci, kuma rage ƙimar turmi zuwa yashi na iya rage ta. Ƙarfin haɗin gwiwa, amma sakamakon gwajin 2 da aka samu ta hanyar gwajin orthogonal ba zai iya ƙara fahimtar tasirin abubuwan uku akan ƙarfin haɗin gwiwa na yumbura adhesive bayan jiƙa a cikin ruwa da haɗin haɗin gwiwa bayan 20 min na bushewa.Sabili da haka, tattaunawa game da ƙimar dangi na raguwar ƙarfin haɗin gwiwa bayan nutsewa cikin ruwa zai iya nuna tasirin abubuwan uku akansa.Matsakaicin ƙimar raguwar ƙarfi yana ƙaddara ta asali na ƙarfin haɗin gwiwa da ƙarfi bayan nutsewa cikin ruwa.An ƙididdige rabon bambancin ƙarfin haɗin gwiwa zuwa ainihin ƙarfin haɗin ɗamara.
Binciken bayanan gwajin ya nuna cewa ta hanyar haɓaka abun ciki na ether cellulose da foda na roba, ƙarfin haɗin gwiwa bayan nutsewa cikin ruwa zai iya inganta dan kadan.Ƙarfin haɗin gwiwa na 0.3% shine 16.0% mafi girma fiye da na 0.1%, kuma ingantawa ya fi bayyane lokacin da adadin foda na roba ya karu;Lokacin da adadin shine 3%, ƙarfin haɗin gwiwa yana ƙaruwa da 46.5%;ta hanyar rage rabon turmi zuwa yashi, ana iya rage ƙarfin haɗin gwiwa na nutsewa cikin ruwa sosai.Ƙarfin haɗin gwiwa ya ragu da 61.2%.Ana iya gani da hankali daga Hoto 1 cewa lokacin da adadin foda na roba ya karu daga 3% zuwa 5%, ƙimar dangi na raguwar ƙarfin haɗin gwiwa yana ƙaruwa da 23.4%;adadin ether cellulose yana ƙaruwa daga 0.1% zuwa A cikin tsari na 0.3%, ƙimar dangi na ƙarfin haɗin gwiwa ya karu da 7.6%;yayin da ƙimar ƙarfin haɗin gwiwa ya ragu da kashi 12.7% lokacin da rabon turmi zuwa yashi ya kasance 1:2 idan aka kwatanta da 1:1.Bayan kwatanta a cikin adadi, ana iya samun sauƙin gano cewa daga cikin abubuwa guda uku, adadin foda na roba da rabon turmi da yashi suna da tasiri a bayyane akan ƙarfin haɗin gwiwa na nutsewar ruwa.
Dangane da JC/T 547-2005, lokacin bushewa na tile m ya fi ko daidai da 20 min.Ƙara abun ciki na ether cellulose zai iya sa ƙarfin haɗin gwiwa ya karu a hankali bayan iska na minti 20, kuma abun ciki na ether cellulose shine 0.2%, 0.3%, idan aka kwatanta da abun ciki na 0.1%.Ƙarfin haɗin gwiwa ya karu da 48.1% da 59.6% bi da bi;ƙara yawan foda na roba kuma zai iya sa ƙarfin haɗin gwiwa ya karu a hankali bayan iska don 20rain, adadin foda na roba shine 4%, 5% % idan aka kwatanta da 3%, ƙarfin haɗin gwiwa ya karu da 19.0% da 41.4% bi da bi;Rage rabon turmi zuwa yashi, ƙarfin haɗin gwiwa bayan mintuna 20 na iska ya ragu a hankali, kuma adadin turmi zuwa yashi ya kasance 1:2 Idan aka kwatanta da ma'aunin turmi na 1: 1, ƙarfin haɗin gwiwa yana raguwa da 47.4% .Idan aka yi la'akari da ƙimar ƙimar raguwar ƙarfin haɗin gwiwa na iya nunawa a fili tasirin abubuwa daban-daban, ta hanyar abubuwa guda uku, ana iya gano cewa ƙimar dangi na raguwar ƙarfin haɗin gwiwa bayan mintuna 20 na bushewa, bayan 20. mintuna na bushewa , tasirin tasirin turmi akan ƙarfin haɗin gwiwa ba ya da mahimmanci kamar da, amma tasirin abun ciki na ether cellulose ya fi bayyane a wannan lokacin.Tare da karuwar abun ciki na ether cellulose, ƙimar dangi na ƙarfinsa yana raguwa sannu a hankali kuma lanƙwasa yana kula da zama mai laushi.Ana iya ganin cewa ether cellulose yana da tasiri mai kyau akan inganta ƙarfin haɗin gwiwa na mannen tayal bayan minti 20 na bushewa.
2.2 Ƙaddamar da tsari
Ta hanyar gwaje-gwajen da ke sama, an sami taƙaitaccen sakamakon ƙirar gwaji na orthogonal.
Ƙungiyar haɗin gwiwar A3 B1 C2 tare da kyakkyawan aiki za a iya zaɓar daga taƙaitaccen sakamakon ƙira na gwaji na orthogonal, wato, abun ciki na ether cellulose da foda foda shine 0.3% da 3%, bi da bi, da rabo na turmi. yashi shine 1: 1.5.
3. Kammalawa
(1) Ƙara yawan adadin cellulose ether da roba foda zai iya ƙara ƙarfin haɗin gwiwa na tile m zuwa wani matsayi, yayin da rage rabo daga turmi zuwa yashi, da tensile bond ƙarfi ragewa, da kuma rabo daga turmi zuwa yashi tasirin adadin ether na cellulose akan ƙarfin haɗin gwiwa na yumbur yumbura adhesive bayan nutsewa cikin ruwa yana da mahimmanci fiye da tasirin adadin ether cellulose akansa;
(2) Adadin ether na cellulose yana da tasiri mafi girma akan ƙarfin haɗin gwiwa na tayal na tayal bayan minti 20 na bushewa, yana nuna cewa ta hanyar daidaita adadin ether cellulose, za a iya inganta mannen tayal da kyau bayan minti 20 na bushewa.Bayan ƙarfin haɗin gwiwa;
(3) Lokacin da adadin foda na roba ya kasance 3%, adadin ether cellulose shine 0.3%, kuma rabon turmi zuwa yashi shine 1: 1.5, aikin mannen tayal ya fi kyau, wanda shine mafi kyau a cikin wannan gwajin. .Kyakkyawan matakin haɗin gwiwa.
Lokacin aikawa: Fabrairu-23-2023