Tasirin kauri na cellulose ether

Cellulose etheryana ba da turmi mai laushi mai kyau, yana iya ƙara ƙarfin haɗin turmi mai laushi da tushen ƙasa sosai, yana inganta aikin hana sag na turmi, wanda ake amfani da shi sosai a turmi mai laushi, tsarin rufin waje da turmi mai ɗaure tubali. Tasirin kauri na cellulose ether kuma yana iya ƙara daidaito da ikon hana wargajewa na sabbin kayan da aka yi da siminti, don hana rarrabuwa, rarrabuwa da zubar jini na turmi da siminti, ana iya amfani da shi a cikin simintin zare, simintin ƙarƙashin ruwa da siminti mai ɗaure kansa.

Cellulose etheryana ƙara dankowar kayan da aka gina bisa siminti daga dankowar maganin cellulose ether. Yawanci ana amfani da "dankowar" wannan ma'auni don kimanta dankowar maganin cellulose ether, dankowar cellulose ether gabaɗaya yana nufin wani taro (2%) na maganin cellulose ether, zafin jiki (20 ℃) ​​da kuma saurin yankewa (ko saurin juyawa, kamar 20 RPM), tare da tanade-tanaden kayan aikin aunawa, kamar ƙimar dankowar juyawa da aka auna. Dankowar muhimmin siga ne na kimanta aikin cellulose ether da cellulose ether, mafi girman dankowar maganin, mafi kyawun dankowar kayan tushe na siminti, dankowar kayan tushe na iya, juriyar sag da juriya ga ƙarfin watsawa, amma idan dankowar ta yi girma sosai, na iya shafar motsi da ikon sarrafa kayan tushe na siminti (kamar gina plaster manne manne). Saboda haka, dankowar cellulose ether da ake amfani da shi a cikin turmi busasshe yawanci shine 15,000 ~ 60,000 Mpa. s-1, kuma ana buƙatar ɗanɗanon cellulose ether ya zama ƙasa don turmi mai daidaita kansa da kuma siminti mai laushi tare da buƙatun ruwa mai yawa. Bugu da ƙari, tasirin kauri na cellulose ether zai ƙara buƙatar ruwa na kayan da aka gina da siminti, don haka yana ƙara fitar da turmi. Danɗanon maganin cellulose ether ya dogara da nauyin kwayoyin halitta (ko matakin polymerization) da yawan cellulose ether, zafin maganin, ƙimar yankewa, da hanyar gwaji. Mafi girman matakin polymerization na cellulose ether, mafi girman nauyin kwayoyin halitta, mafi girman danƙon maganin ruwansa; Mafi girman adadin (ko yawan) na cellulose ether, mafi girman danƙon maganin ruwansa, amma a amfani ya kamata a kula da zaɓin adadin da ya dace, don kada a haɗa shi da yawa, yana shafar aikin turmi da siminti; Kamar yawancin ruwaye, danƙon maganin cellulose ether zai ragu tare da ƙaruwar zafin jiki, kuma mafi girman yawan cellulose ether, mafi girman tasirin zafin jiki; Maganin cellulose ether yawanci jiki ne mai kama da fata mai kama da fata mai laushi. Mafi girman ƙimar yankewa, haka nan ƙarancin ɗanko.

Saboda haka, haɗin turmi zai ragu ta hanyar ƙarfin waje, wanda hakan ke taimakawa wajen gina turmi, yana sa turmi ya sami damar aiki da haɗin kai mai kyau. Duk da haka, maganin cellulose ether zai nuna halayen ruwan Newtonian lokacin da yawan ya yi ƙasa sosai kuma ɗanko ya yi ƙanƙanta. Lokacin da yawan ya ƙaru, maganin yana nuna halayen ruwan pseudoplastic a hankali, kuma mafi girman yawan, pseudoplastic ɗin zai fi bayyana.