A yau za mu mayar da hankali kan yadda ake ƙara takamaiman nau'ikan thickeners.
Irin nau'ikan da aka saba amfani da su ana amfani da su aorganic, celulose, acrylic, da polyurethane.
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Abubuwan da Inorganic sune galibi bentonite, da sauransu, waɗanda aka ƙara duka a cikin slurry don niƙa da ƙarfi na al'ada na al'ada.
Akwai kuma karamin sashi da za a pre-watsawa da kuma shirya a cikin gel don amfani.
Ana iya ƙara su zuwa zanen ta hanyar yin girkin don yin wasu adadin pre-gel. Hakanan akwai wasu masu sauki a watse kuma ana iya yin su a cikin gel ta hanyar motsawa mai sauri. A yayin aiwatar da shirin, amfani da ruwan dumi na iya inganta wannan tsari.
Pelulose
Mafi yawan amfani da samfurin selSlellulosehyl Slellulose (hec). Rashin matalauta da matakin, karancin isasshen juriya, anti-mold da sauran kaddarorin, da wuya a yi amfani da shi a cikin masana'antun masana'antu.
Lokacin da aka yi amfani da shi, ana iya ƙara kai tsaye ko narkar da ruwa a cikin ruwa a gaba.
Kafin ƙara, ya kamata a biya hankali don daidaita PH na tsarin zuwa yanayin alkaline, wanda ke dacewa da ci gabansa.
Na acrylic
Acrylic thicckeers da wasu aikace-aikace a cikin masana'antu na masana'antu. Ana amfani da shi akalla a cikin zane-zane na al'ada kamar su kayan haɗin guda ɗaya da kuma rabo mai zurfi-zuwa-tushe, kamar tsarin ƙarfe da masu kariya.
A cikin topcoat (musamman bayyananne a bayyane), kayan haɗin guda biyu, yin burodi ta launin fata, yana da lahani mai yawa kuma ba zai iya kasancewa mafi cancanta ba.
Ka'idar Thickening na acrylic thickener shine: gungun Carboxyl a kan sarkar polymer a karkashin yanayin Carboxmylate, da kuma lokacin da aka yi wa tsinkayen da aka yi wa tursasawa.
Sabili da haka, ya kamata a daidaita PH da alkalin kafin amfani, kuma PH ya kamata a kiyaye shi a> 7 yayin ajiya mai zuwa.
Ana iya ƙara kai tsaye ko diluted da ruwa.
Ana iya warware shi da narkar da amfani da shi a wasu tsarin da ke buƙatar da kyau kwanciyar hankali. Wato: Da fari dai tsarfa da acrylic thicknero da ruwa, sannan ƙara ph adjuster yayin motsa su. A wannan lokacin, maganin da aka kera a fili, daga madara fari ga man shafawa, kuma ana iya barin shi ya tsaya don amfani da baya.
Yin amfani da wannan hanyar ta miƙa ƙarfi da Thickening, amma zai iya cikakken fadada sosai da Thickener a farkon matakin, wanda ke da hankali ga kwanciyar hankali game da danko bayan fenti an yi shi.
A cikin tsari da tsarin samar da ruwa na H1260 na tushen-kashi na azurfa na azurfa na azurfa foda, ana amfani da thickener a wannan hanyar.
Polyurehane
Ana amfani da thyurehane da aka yi amfani da shi sosai a cikin kayan kwalliya na masana'antu tare da kyakkyawan aiki kuma suna dacewa da amfani a cikin tsarin da yawa.
A aikace-aikacen aikace-aikacen, babu wani buƙatu a kan PH na tsarin, ana iya ƙara shi kai tsaye ko bayan tsawa, ko dai tare da ruwa ko sauran ƙarfi. Wasu thickeners suna da talauci na ruwa kuma ba za a iya diluma da ruwa da ruwa ba, amma ana iya diluted da sauran ƙarfi.
tsarin emulsion
Tsarin emulsion (gami da emullis emulsions da hydroxypropyl emulsions) ba su da sauran abubuwa kuma suna da sauƙin yin fushi. Zai fi kyau ƙara su bayan dilution. Lokacin da diluting, bisa ga thickening ingancin da na thickener, tsarma wani rabo.
Idan ingancin zafin ya yi ƙasa da ƙasa ne, da dillancin ya kamata ya zama ƙasa ko ba'a dilatar ba; Idan ƙarfin ƙarfin zafi ya yi yawa, ya kamata tsararren rubya ya kamata ya zama mafi girma.
Misali, SV-1540 ruwa-Polyurethane ruwa Polyurehane ruwa mai ban dariya mai ma'ana yana da ingantaccen ƙarfin mamaki. A lokacin da aka yi amfani da shi a cikin tsarin emulsion, an rage diluted sau 10 ko sau 20 (10% ko 5%) don amfani.
Watsawa hydroxypyl
Rydroxypoyl Watsawa resin ya ƙunshi wani adadin sauran, kuma ba abu mai sauƙi ba ne a yi farin ciki yayin aiwatar da fenti. Saboda haka, ana ƙara polyurethane a cikin wani ƙaramin tsoratarwa ko ƙara ba tare da dilution a cikin wannan tsarin ba.
Yana da mahimmanci a lura da tasirin babban adadin abubuwan haɗin polyurethane a cikin wannan nau'in tsarin ba a bayyane yake ba, da kuma m Thickner yana buƙatar zaɓaɓɓu cikin tsarin da aka yi niyya. A nan, Ina so in ba da shawarar Polyurethane-Polyurehane ruwa na SV-1140 wanda ke da wahalar tunani, wanda ke da ingantaccen aiki mai ƙarfi kuma yana da kyakkyawan aiki a cikin tsarin hanzari.
Lokaci: APR-25-2024