Focus on Cellulose ethers

Tasirin Cellulose Ether a cikin Putty Powder Application

Tasirin Cellulose Ether a cikin Putty Powder Application

Menene dalilin da yasa foda ya bushe da sauri?

Wannan yana da alaƙa da ƙari na ash calcium da kuma yawan riƙe ruwa na fiber, kuma yana da alaƙa da bushewar bango.

Me game da kwasfa da mirgina?

Wannan yana da alaƙa da ƙimar riƙewar ruwa, wanda ke da sauƙin faruwa lokacin da danko na cellulose ya yi ƙasa ko adadin ƙarawa kaɗan ne.

Shin wani lokaci yana da maki?

Wannan yana da alaƙa da cellulose, wanda ke da ƙayyadaddun kayan aikin fim mara kyau, kuma a lokaci guda, ƙazanta a cikin cellulose suna amsa dan kadan tare da ash ash. Idan abin ya kasance mai tsanani, foda mai sanyawa zai bayyana kamar ragowar wake. Ba za a iya sanya shi a bango ba, kuma ba shi da ƙarfin haɗin gwiwa a lokaci guda. Bugu da ƙari, wannan yanayin yana faruwa tare da samfurori irin su ƙungiyoyin carboxyl da aka kara da cellulose.

Volcanoes da pinholes?

Wannan a fili yana da alaƙa da tashin hankalin saman ruwa na hydroxypropyl methylcellulose aqueous bayani. Tashin tebur na ruwa na maganin ruwa na hydroxyethyl ba a bayyane yake ba. Zai yi kyau a yi maganin gamawa.

Me yasa foda ya zama bakin ciki bayan ƙara ruwa?

Ana amfani da Cellulose azaman mai kauri da mai riƙe da ruwa a cikin putty. Saboda thixotropy na cellulose kanta, ƙari na cellulose a cikin putty foda kuma yana haifar da thixotropy bayan ƙara ruwa zuwa putty. Wannan thixotropy yana haifar da lalacewa ta hanyar lalata tsarin haɗin kai na abubuwan da ke cikin foda. Wannan tsarin yana tasowa a lokacin hutawa kuma yana rushewa a ƙarƙashin damuwa. Wato danko yana raguwa a karkashin motsawa, kuma danko yana farfadowa lokacin da yake tsaye.

Menene dalilin da yasa putty yayi nauyi sosai a cikin tsarin gogewa?

A wannan yanayin, danko na cellulose gabaɗaya da ake amfani da shi ya yi yawa. Wasu masana'antun suna amfani da cellulose 200,000 don yin putty. Kayan da aka samar ta wannan hanya yana da babban danko, don haka yana jin nauyi lokacin da ake gogewa. Adadin da aka ba da shawarar putty don ganuwar ciki shine 3-5 kg, kuma danko shine 80,000-100,000.

Me yasa putty da turmi da aka yi da cellulose tare da danko iri ɗaya suna jin daban-daban a cikin hunturu da bazara?

Saboda thermal gelation na samfurin, dankon samfurin zai ragu a hankali tare da karuwar zafin jiki. Lokacin da zafin jiki ya zarce zafin gel na samfurin, samfurin zai haɗe daga ruwa kuma ya rasa danko. Yanayin zafin jiki a lokacin rani gabaɗaya yana sama da digiri 30, wanda ya bambanta da yanayin zafi a lokacin hunturu, don haka danko yana ƙasa. Ana bada shawara don zaɓar samfurori tare da babban zafin jiki na gel lokacin amfani da samfurori a lokacin rani. Yawan zafin jiki na gel na samfurin gabaɗaya yana sama da digiri 75. Ma'auni na ƙasa na bango (JG/T298-2009) daidaitattun buƙatun, ingancin samfur yana da karko, aikin muhalli na sifili yana da kyau. Gabaɗaya, zafin gel na methyl cellulose yana kusan digiri 55 a lokacin rani. Idan yanayin zafi ya dan yi girma, dankon sa zai yi tasiri sosai.


Lokacin aikawa: Mayu-06-2023
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