Foda ta Latex—Inganta daidaito da zamewar tsarin a yanayin haɗawar danshi. Saboda halayen polymer, haɗin kayan haɗawar danshi yana inganta sosai, wanda ke ba da gudummawa sosai ga iya aiki; bayan bushewa, yana ba da mannewa ga santsi da kauri na saman. Relay, inganta tasirin haɗin yashi, tsakuwa, da ramuka. A ƙarƙashin manufar tabbatar da adadin ƙari, ana iya ƙara shi zuwa fim a mahaɗin, don mannewar tayal ɗin yana da ɗan sassauci, yana rage ƙarfin roba, kuma yana shan matsin lamba na lalata zafi zuwa babban mataki. Idan aka nutse cikin ruwa a matakin ƙarshe, za a sami damuwa kamar juriyar ruwa, zafin buffer, da rashin daidaituwa na lalata kayan abu (haɓakar lalata tayal 6 × 10-6/℃, haɓakar lalata simintin siminti 10 × 10-6/℃), da inganta juriyar yanayi. Hydroxypropyl Methyl Cellulose HPMC—Samar da ingantaccen riƙe ruwa da aiki don turmi sabo, musamman ga yankin da aka jika. Domin tabbatar da cewa ruwan da ke cikin ta yana aiki yadda ya kamata, zai iya hana ruwa shiga cikin ƙasa da yawa, kuma zai hana ƙaiƙayi a saman ta. Saboda yadda yake shiga cikin iska (1900g/L—-1400g/LPO400 yashi 600HPMC2), yawan mannewar tayal ɗin yana raguwa, yana adana kayan aiki da kuma rage ƙarfin turmi mai tauri.
Foda mai mannewa mai sake fashewa da tayal wani abu ne mai kore, mai kyau ga muhalli, mai adana kuzari, kuma kayan gini na foda mai inganci da yawa, kuma muhimmin abu ne kuma mai mahimmanci ga turmi mai gauraye da busasshe. Yana iya inganta aikin turmi, ƙara ƙarfin turmi, ƙara ƙarfin haɗin gwiwa tsakanin turmi da abubuwa daban-daban, inganta sassauci da iya aiki, ƙarfin matsewa, ƙarfin lanƙwasa, juriyar lalacewa, tauri, da ɗanko na turmi. Ikon jigilar kaya da riƙe ruwa, iya ginawa. Aikin foda mai mannewa mai sake fashewa da tayal yana da ƙarfi sosai, kuma foda mai mannewa mai sake fashewa da tayal yana da babban ƙarfin haɗin kai da halaye na musamman. Saboda haka, kewayon aikace-aikacen su yana da faɗi sosai. Matsayin hydroxypropyl methylcellulose yana taka rawar riƙe ruwa, kauri da aikin gini a farkon matakin, kuma foda mai mannewa mai sake fashewa da tayal yana taka rawar ƙarfi a matakin ƙarshe, wanda ke taka rawa sosai a cikin ƙarfi, juriyar acid da alkali na aikin. Tasirin foda mai latex mai sake narkewa akan turmi sabo: tsawaita lokacin aiki da daidaita lokacin don inganta aikin riƙe ruwa, don tabbatar da danshi na siminti da inganta juriyar sag (foda roba ta musamman da aka gyara) da inganta iya aiki (mai sauƙin amfani Substrate yana da tsari mai sauƙi, mai sauƙin matse tayal a cikin manne) rawar turmi mai tauri yana da kyakkyawan mannewa ga abubuwa daban-daban, gami da siminti, filasta, itace, tsoffin tayal, PVC ko da a ƙarƙashin yanayi daban-daban, yana da kyakkyawan ikon narkewa.
Ƙara foda mai latex mai redispersible don manne tayal yana da tasiri a bayyane akan inganta aikin manne tayal da aka yi da siminti, kuma yana da tasiri mai mahimmanci akan ƙarfin haɗin kai, juriyar ruwa, da juriyar tsufa na manne. A halin yanzu, akwai nau'ikan foda mai latex mai redispersible don manne tayal a kasuwa, kamar foda mai acrylic mai redispersible, foda mai styrene-acrylic, copolymers na vinyl acetate-ethylene, da sauransu. Gabaɗaya, manne tayal da ake amfani da su a manne tayal a kasuwa. Yawancin foda mai redispersible na vinyl acetate-ethylene copolymers ne.
(1) Yayin da adadin siminti ke ƙaruwa, ƙarfin asalin foda mai latex mai sake wargazawa don manne tayal yana ƙaruwa, kuma a lokaci guda, ƙarfin manne bayan nutsewa cikin ruwa da ƙarfin manne bayan tsufar zafi suma suna ƙaruwa.
(2) Tare da ƙaruwar adadin foda mai latex mai sake fashewa don manne tayal, ƙarfin haɗin tensile na foda mai sake fashewa don manne tayal bayan nutsewa cikin ruwa da ƙarfin haɗin tensile bayan tsufar zafi ya ƙaru daidai gwargwado, amma tsufar zafi Bayan haka, ƙarfin haɗin tensile ya ƙaru sosai.
Saboda kyawawan fasalulluka na ado da aiki kamar dorewa, juriyar ruwa da sauƙin tsaftacewa, ana amfani da tayal ɗin yumbu sosai: gami da bango, benaye, rufi da wuraren iyo, da sauransu, kuma ana iya amfani da su a ciki da waje. Hanyar manna tayal ta gargajiya ita ce hanyar gina kauri mai kauri, wato, da farko a shafa turmi na yau da kullun a bayan tayal ɗin, sannan a danna tayal ɗin zuwa saman ƙasa. Kauri na turmi shine kusan 10 zuwa 30mm. Duk da cewa wannan hanyar ta dace sosai don gini akan tushe marasa daidaito, rashin amfanin su shine ƙarancin ingancin tayal ɗin tayal, manyan buƙatu don ƙwarewar fasaha na ma'aikata, ƙaruwar haɗarin faɗuwa saboda rashin sassaucin turmi, da wahalar gyara turmi a wurin gini. Ana sarrafa inganci sosai. Wannan hanyar ta dace ne kawai ga tayal masu yawan shan ruwa. Kafin manna tayal ɗin, ana buƙatar a jiƙa tayal ɗin a cikin ruwa don samun isasshen ƙarfin haɗin gwiwa.
A halin yanzu, hanyar yin tayal da ake amfani da ita sosai a Turai ita ce hanyar mannewa mai laushi, wato, ana goge rukunin manne na tayal da aka gyara da polymer a saman saman Layer ɗin don a yi tayal a gaba da spatula mai haƙori don samar da layuka masu tsayi. Kuma Layer ɗin turmi mai kauri iri ɗaya, sannan a danna tayal ɗin a kai a juya kaɗan, kauri na turmi shine kusan 2 zuwa 4mm. Saboda gyaran cellulose ether da foda mai narkewa, amfani da wannan manne na tayal yana da kyakkyawan aiki na haɗawa ga nau'ikan yadudduka daban-daban na tushe da yadudduka na saman ciki har da tayal ɗin da aka goge gaba ɗaya tare da ƙarancin shan ruwa, kuma yana da kyakkyawan sassauci, don shanye damuwar da abubuwa kamar bambancin zafin jiki ke haifarwa, da juriya mai kyau na sag, tsawon lokacin buɗewa don gina sirara, wanda zai iya hanzarta saurin gini, sauƙin aiki kuma babu buƙatar jika tayal ɗin a cikin ruwa kafin lokaci. Wannan hanyar gini tana da sauƙin aiki kuma tana da sauƙin gudanar da ingancin gini a wurin.
Lokacin Saƙo: Disamba-12-2022