Latex ufa-Sinthani kusasinthasintha ndi kuterera kwa dongosolo mumkhalidwe wosakanikirana wonyowa. Chifukwa cha makhalidwe a polima, kugwirizana kwa zinthu zosakaniza zonyowa kumapangidwira bwino, zomwe zimathandiza kwambiri kuti zitheke; atatha kuyanika, amapereka kumamatira kwa wosanjikiza yosalala ndi wandiweyani pamwamba. Relay, sinthani mawonekedwe a mchenga, miyala, ndi pores. Pansi pa malo owonetsetsa kuchuluka kwa kuonjezera, akhoza kupindula mu filimu pa mawonekedwe, kotero kuti zomatira za matayala zimakhala ndi kusinthasintha kwina, zimachepetsa modulus zotanuka, ndipo zimatengera kupsinjika kwa kutentha kwa kutentha kwakukulu. Pankhani yomizidwa m'madzi pambuyo pake, padzakhala zovuta monga kukana madzi, kutentha kwa bafa, ndi kusinthika kwa zinthu zosagwirizana (matayilo opindika 6 × 10-6/℃, kokwanira konkire ya simenti 10 × 10-6 / ℃) , ndikuwongolera kupirira kwanyengo. Hydroxypropyl Methyl Cellulose HPMC—Kupereka madzi osungika bwino ndi kutha ntchito kwa matope atsopano, makamaka pamalo onyowa. Pofuna kuonetsetsa kuti ma hydration akuyenda bwino, amatha kuteteza gawo lapansi kuti lisamalowe m'madzi ambiri komanso kuti asasunthike. Chifukwa cha malo ake opangira mpweya (1900g/L—-1400g/LPO400 mchenga 600HPMC2), kachulukidwe ka zomatira matailosi kumachepetsedwa, kupulumutsa zida ndikuchepetsa zotanuka zamatope olimba.
Tile adhesive redispersible latex ufa ndi wobiriwira, wokonda zachilengedwe, womangamanga wopulumutsa mphamvu, wapamwamba kwambiri wopangira ufa wopangira zinthu zambiri, ndipo ndizofunikira komanso zofunikira zowonjezera zowonjezera pamatope osakaniza owuma. Ikhoza kupititsa patsogolo ntchito ya matope, kuonjezera mphamvu ya matope, kuonjezera mphamvu zomangirira pakati pa matope ndi magawo osiyanasiyana, kupititsa patsogolo kusinthasintha ndi kugwira ntchito, mphamvu zopondereza, mphamvu zosinthika, kukana kuvala, kulimba, ndi kukhuthala kwamatope. Relay ndi mphamvu posungira madzi, constructability. Magwiridwe a matailosi omatira opangidwanso ndi latex ufa ndi amphamvu kwambiri, ndipo zomatira zomatira za latex zomatira zimakhala ndi luso lomangirira komanso mawonekedwe apadera. Choncho, ntchito yawo ndi yotakata kwambiri. Udindo wa hydroxypropyl methylcellulose amatenga gawo la kusunga madzi, thickening ndi ntchito yomanga mu siteji oyambirira, ndi redispersible latex ufa wa zomatira matailosi amasewera mphamvu mu siteji kenako, amene amatenga mbali zabwino kwambiri mu kulimba, asidi. ndi kukana kwa alkali kwa polojekitiyi. Zotsatira za zomatira za matailosi redispersible latex ufa pamatope atsopano: kutalikitsa nthawi yogwira ntchito ndikusintha nthawi kuti apititse patsogolo ntchito yosungira madzi, kuti awonetsetse kuti simenti imayenda bwino ndikuwongolera kukana kwa sag (wapadera kusinthidwa mphira ufa) ndikuwongolera kugwira ntchito (kosavuta kugwiritsa ntchito gawo lapansi ndikumanga kwapamwamba, kosavuta kukanikiza matailosi pazomatira) gawo la matope owuma limamatira bwino magawo osiyanasiyana, kuphatikiza konkriti, pulasitala, matabwa, matailosi akale, PVC ngakhale nyengo zosiyanasiyana nyengo , ali wabwino mapindikidwe luso.
Kuphatikizika kwa ufa wa latex wopangidwanso kwa zomatira za matailosi kumakhala ndi zotsatira zoonekeratu pakuwongolera magwiridwe antchito a zomatira za simenti, ndipo zimakhudza kwambiri mphamvu yomangirira, kukana madzi, komanso kukana kukalamba kwa zomatira. Pakali pano, pali mitundu yambiri ya ufa wa latex wopangidwanso wopangira zomatira pamatailosi pamsika, monga acrylic redispersible latex powders, styrene-acrylic powders, vinyl acetate-ethylene copolymers, ndi zina zotero. Mafuta ambiri opangidwanso ndi latex ufa ndi vinyl acetate-ethylene copolymers.
(1) Pamene kuchuluka kwa simenti kumawonjezeka, mphamvu yapachiyambi ya ufa wa latex wopangidwanso wowonjezera matailosi imawonjezeka, ndipo nthawi yomweyo, mphamvu zomatira zomata pambuyo pa kumizidwa m'madzi ndi mphamvu zomatira pambuyo pa ukalamba wa kutentha zimawonjezeka.
(2) Ndi kuwonjezeka kwa kuchuluka kwa ufa wa latex wopangidwanso wa zomatira za matailosi, mphamvu yomangira yolumikizira matailosi ya ufa wothira matailosi pambuyo pa kumizidwa m'madzi ndi mphamvu yomangika pambuyo pokalamba kutentha idakula molingana, koma kukalamba kotentha Pambuyo pake. , mphamvu ya mgwirizano wokhazikika inakula kwambiri.
Chifukwa cha zokongoletsa zake zabwino komanso zogwira ntchito monga kukhazikika, kukana madzi ndi kuyeretsa kosavuta, matayala a ceramic amagwiritsidwa ntchito kwambiri: kuphatikizapo makoma, pansi, denga ndi maiwe osambira, etc., ndipo angagwiritsidwe ntchito m'nyumba ndi kunja. Njira yophatikizira matailosi ndi njira yomangira yokhuthala, ndiye kuti, choyamba ikani matope wamba kumbuyo kwa matailosi, kenako ndikusindikiza matailosi kumunsi. Makulidwe a matope wosanjikiza ndi pafupifupi 10 mpaka 30mm. Ngakhale kuti njira imeneyi ndi yabwino kwambiri pomanga pazitsulo zosagwirizana, kuipa kwake ndikochepa mphamvu ya matailosi, zofunika kwambiri pa luso la ogwira ntchito, chiwopsezo chowonjezeka cha kugwa chifukwa cha kusasinthasintha kwamatope, komanso kulephera kukonza matope pamalo omanga. . Ubwino umayendetsedwa mosamalitsa. Njirayi ndi yoyenera kwa matailosi okhala ndi kuchuluka kwa mayamwidwe amadzi. Musanaphatikize matailosi, matailosi ayenera kuviikidwa m'madzi kuti apeze mphamvu zokwanira zomangira.
Pakali pano, njira yopangira matayala yomwe imagwiritsidwa ntchito kwambiri ku Ulaya ndi njira yotchedwa woonda-wosanjikiza njira yomatira, ndiko kuti, gulu la zomatira la polima losinthidwa ndi polima limaphwanyidwa pamwamba pa tsinde kuti liyime pasadakhale ndi spatula yokhala ndi mano. kupanga mikwingwirima yokwezeka. Ndipo matope wosanjikiza wa makulidwe a yunifolomu, ndiye akanikizire matailosi pamenepo ndikupotoza pang'ono, makulidwe a matope osanjikiza ndi pafupifupi 2 mpaka 4mm. Chifukwa cha kusinthidwa kwa cellulose ether ndi redispersible latex powder, kugwiritsa ntchito zomatira za matailosizi zimakhala ndi mgwirizano wabwino ku mitundu yosiyanasiyana ya zigawo zapansi ndi pamwamba, kuphatikizapo matailosi a vitrified ndi mayamwidwe amadzi otsika kwambiri, ndipo amakhala ndi kusinthasintha Kwabwino, kuti athe kuyamwa. kupsinjika komwe kumachitika ndi zinthu monga kusiyana kwa kutentha, komanso kukana bwino kwa sag, nthawi yayitali yotseguka yomanga yopyapyala, yomwe imatha kufulumizitsa kwambiri ntchito yomanga, yosavuta kugwiritsa ntchito komanso palibe chifukwa chonyowetsa matailosi m'madzi. Njira yomangirayi ndiyosavuta kugwiritsa ntchito komanso yosavuta kuwongolera pamayendedwe abwino.
Nthawi yotumiza: Dec-12-2022