Menene rawar riƙe wakilin ruwa da aka hade a cikin kayan foda na foda?
Amsa: plastering Gypsum, wanda aka ɗaure Gypsum, Caulking Gypsum, ana amfani da kayan haɗin gypsum da sauran kayan aikin foda. Don sauƙaƙe gina, ana sake shirya Gypsum hatsin a lokacin samarwa don tsawan aikin gina na gypsum slurry. An kara wa hetardter don hana shi hydrit tsari na hoshydrate danko. Wannan nau'in slurry yana buƙatar ajiyewa a bango na 1 zuwa 2 kafin shi ya ɗauki kayan aikin, da kuma bangon riguna na ruwa, yana haifar da ƙarancin ruwa lokacin da gypsum Slurrary Hardens da kuma isasshen hydration. Gabaɗaya, yana haifar da rabuwa da harsashi na haɗin gwiwa tsakanin filastar da bango farfajiya. The addition of water-retaining agent is to maintain the moisture contained in the gypsum slurry, to ensure the hydration reaction of the gypsum slurry at the interface, so as to ensure the bonding strength. Methyl sel ne celululose ne Elhers, kamar: mc), hydroxyplyl methyl sel (hpmc), da sauransu steach pellose (polyvinyl cell Preelululose (polyvinyl barasa, sodia baki daya, da sauransu za a iya amfani da shi, da sauransu. don inganta aikin riƙewar ruwa.
Ko da irin wannan wakili-mai riƙe wakili na iya jinkirta da hydration kudi na gypsum zuwa bambance-bambancen digiri, lokacin da wakilin retarder zai iya kasancewa gabaɗaya saiti na minti 15-30. Saboda haka, yawan abin da aka buga zai iya rage yadda ya kamata.
Mene ne madaidaicin sashi na mai riƙe wakili na ruwa a cikin kayan aikin gypsum foda?
Amsa: An yi amfani da wakilan masu riƙe da ruwa a kayan aikin gini kamar su plasting gypsum, nuna gypsum, caulking gypsum, da gypsum putty. Saboda wannan nau'in gypsum an gauraye shi da mai hayar, wanda ke hana tsarin riƙe ruwa a cikin slurry daga canjin ruwa, wanda ya cika lokacin da gypsum slurry ya taurare. The addition of water-retaining agent is to maintain the moisture contained in the gypsum slurry, to ensure the hydration reaction of the gypsum slurry at the interface, so as to ensure the bonding strength.
Resta na gaba daya shine 0.1% zuwa 0.2% (asusu na gypsum, tubsan gyps, da kuma suturar wannonin gyps, da kuma lokacin da aka shirya Wallake Gypum, da sauransu. (gabaɗaya 0.2% zuwa 0.5%).
Wakilai na Rike da ke riƙe da su kamar sel na methyl (MC) da Hydroxypropyl methylcellopyl methylellulose (hpmc) suna da sanyi-sanyi a farkon matakin lokacin da aka narkar da su kai tsaye cikin ruwa. Wakilin riƙe da ruwa yana buƙatar pre-gauraye tare da gypsum foda don watsa. Shirya cikin bushe foda; Sanya ruwa da dama, bari tsaya na mintina 5, saro kuma, sakamako ya fi kyau. Koyaya, a halin yanzu akwai samfuran Ether wanda za a iya narkar da kai tsaye a cikin ruwa, amma ba su da wani tasiri a kan samar da turke na turmi.
Ta yaya wakilin ruwa ya kunna aikin ruwa a cikin jikin gypsum sosai?
Amsa: nau'ikan wakilan ruwa daban-daban suna magance aikin ruwa na ruwa a cikin jikin Gypsum ya taurare bisa ga yanayin daban-daban. Ainihin za'a iya taƙaita shi cikin hanyoyi huɗu masu zuwa:
(1) Rage ingantaccen tsari na gypsum mai wuya, ƙara madaidaicin madaidaici, kuma ya canza madaidaicin madaidaicin jiki tare da ƙwararren mai taurare tare da ƙarancin ƙira. Misali, saƙa da aka saƙa da kitse na roba wanda ya ƙunshi C7-C9, kuma adadin da ya dace na ɗimbin tambayoyin da aka yi a lokaci guda.
(2) Senirƙiri fim ɗin mai hana ruwa don toshe kyakkyawan pores a jikin taurarin. Misali, hada da paraffin emulsion, Tashar Jumin emsision da parfaffin-rosin hade emulsion, da sauransu.
(3) Canja makamashi na jikin mutum mai taurare, saboda shayar da kwayoyin suna cikin haɗin kai kuma ba za su iya shiga cikin tashoshin tashoshi ba. Misali, an haɗa masu silicone da yawa na silicone da yawa, gami da o emulsifile mai.
(4) ta hanyar ɗorewa ko tsaftacewa don ware ruwa daga tashoshin da ke cikin rawar jiki, ana iya amfani da wakilan wakilai silicone. Silent-tushen silsiones ya fi silsin-tushen ruwa, amma tsohon ya sanya gas na girman Gypsum Hardened jikin ya ragu.
Kodayake ana iya amfani da wakilan wakilan ruwa daban-daban don inganta hana ruwa na kayan gypsum a cikin hanyoyi daban-daban, wanda bai dace da yanayin m-hardening ba, kuma ya dace da yanayin rigar da bushe.
Me ake gyara gyara Gypsum ta hanyar wakili na ruwa?
Amsa: Akwai manyan hanyoyi guda biyu na aiki na wakilin gypsum: ɗaya shine don ƙara haɓakar kayan maye, ɗayan kuma shine rage yawan shadow na maganin gypsum. Kuma rage sha sha sha daga fannoni biyu. Daya shine don haɓaka hadari na Harduned Gypum, don rage shan ruwa na gypsum ta rage rawar jiki, don inganta juriya na Gypsum. Sauran shine don ƙara yawan ƙarfin ƙwayar gypsum sosai, shine, don rage ruwan gypsum na gypsum ta hanyar sanya pore saman samar da fim ɗin hydrophobic.
Wakilan ruwa wanda ke rage matsakaicin taka rawa ta hanyar toshe kyawawan pores na gypsum da kara haduwa da hadin kan gypsum. Akwai abokan kwallaye da yawa don rage mamaki, kamar: paraffin emulsion, Tashar emululsion da paraffin asphalt hade emulsion. Wadannan jami'an ruwa suna da tasiri wajen rage matsin alamar gypsum a karkashin hanyoyin da aka dace da tsari, amma a lokaci guda, kuma suna da illa ga lahani akan kayayyakin gypsum.
Mafi yawan ruwa na hali mai sanyin gwiwa wanda ke canza ƙarfin ƙasa shine silicone. Zai iya samar da tashar jiragen ruwa na kowane pore, canza makamashi na ruwa a cikin wani lokaci mai tsawo, don haka canza ƙwayar ruwa, kuma a lokaci guda kula da iska na filastar. Irin wannan nau'in wakilin ruwa ya haɗa da: Sisicyl Siliconate, da lokaci guda ba zai iya yin tsayayya da insictilone ba, kuma ba zai iya yin tsayayya da ƙwayar ƙwayar cuta ba, da danshi-tabbatacce na kayayyakin gypsum.
Masu binciken na gida suna amfani da hanyar hada kayan kwayoyin halitta da kayan kwalliyar ƙwayar cuta sun samo asali ta hanyar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta ta polyvam da aka samu ta hanyar haɗa ruwa mai ruwa wakili. Ana iya gaurayar da Gypsum Helprooforite tare da gypsum da ruwa, shiga cikin tsarin crystallization na gypsum, kuma sami sakamako mafi kyau mai hana ruwa.
Mene ne tushen hana wakilin Silane Wurin Wuri Mai Ruwa a kan Emplorescence a turmi na gypsum?
Amsa: (1) Additionarin ƙari wakilin Silane Wurin Wuri na iya rage darajar turɓayar gypsum, da kuma digiri na ƙwararren turɓayar turɓaya na ƙari a cikin wani kewayon ƙari. Tasirin tasirin Silane a kan 0.4% Silane ne ya dace, kuma tasirin hana shi ya zama mai tsoka lokacin da adadin ya wuce wannan adadin.
(2) Bugu da kari Silane ba kawai siffofin hydrophobic ne a kan turmi don hana rami na waje don samar da tasirin hana infici.
(3) Yayin da ƙari Bugu da kari na Silane mai mahimmanci yana haɓaka esflororescence, ba shi da wata illa ga kayan haɗin gypsum bushe-gyelum bushe-haɗi na kayan gini busasshiyar kayan gini.
Lokacin Post: Nuwamba-22-2022