Matsayin p-hydroxypropyl sitaci ether a cikin turmi

Starch ether kalma ce ta gaba ɗaya na nau'in sitaci da aka gyara masu ɗauke da ether bond a cikin kwayoyin halitta, wanda kuma aka sani da sitaci etherified, wanda aka fi amfani dashi a magani, abinci, yadi, yin takarda, sinadarai na yau da kullun, man fetur da sauran masana'antu. A yau mun fi bayyana muhimmancin sitaci ether a turmi:

1) Kauri turmi, ƙara anti-sagging, anti-sagging da rheological Properties na turmi.

Misali, a wajen gina tile stick, putty, da plastering turmi, musamman a yanzu da injin feshi yana buƙatar ruwa mai yawa, kamar a turmi mai tushen gypsum, yana da mahimmanci musamman (gypsum ɗin da aka fesa na'ura yana buƙatar ruwa mai yawa amma zai haifar da sagging mai tsanani). , sitaci Ether zai iya gyara wannan rashi). Wato, lokacin da aka yi amfani da karfi na waje, danko yana raguwa, haɓaka aikin aiki da famfo, kuma lokacin da aka janye ƙarfin waje, danko yana ƙaruwa, yana inganta juriya na sagging. Don yanayin haɓaka yankin tayal na yanzu, ƙara ether sitaci na iya haɓaka juriya na zamewar talle.

2) Tsawaita lokutan budewa

Don mannen tayal, yana iya biyan buƙatun mannen tayal na musamman (Class E, 20min da aka tsawaita zuwa 30min don isa 0.5MPa) waɗanda ke tsawaita lokacin buɗewa. Sitaci ether zai iya sa saman gypsum tushe da siminti turmi santsi, mai sauƙin amfani, kuma yana da kyakkyawan sakamako na ado. Yana da matukar ma'ana ga plastering turmi da kuma bakin ciki Layer na ado turmi kamar putty.

1. Sitaci ether iya yadda ya kamata inganta anti-sag da anti-slip Properties na turmi

Cellulose ether yawanci kawai zai iya inganta danko da riƙewar ruwa na tsarin amma ba zai iya inganta abubuwan da ba su da kyau da kuma abubuwan da suka dace.

2. Kauri da danko

Kullum, danko na cellulose ether ne game da dubun dubatar, yayin da danko na sitaci ether ne da dama da ɗari zuwa dubu da dama, amma wannan ba ya nufin cewa thickening dukiya na sitaci ether zuwa turmi ba shi da kyau kamar na cellulose ether. kuma tsarin kauri na biyu ya bambanta.

3. Anti-slip yi

Idan aka kwatanta da ethers na cellulose, sitaci ethers na iya haɓaka ƙimar ƙimar farko na tile adhesives, don haka inganta abubuwan da suke hana su zamewa.

4. Shigar da iska

Cellulose ether yana da ƙaƙƙarfan kaddarorin da ke tattare da iska, yayin da sitaci ether ba shi da wani abu mai ɗaukar iska.