Njengomunye we-admixtures ebalulekile ye-cellulose ether odumazayo ngodaka lwempuphu owomile, i-hydroxypropyllylylylylylylylylyly methylcellulose inemisebenzi eminingi ngodaka. Iqhaza elibaluleke kakhulu le-hydroxypropyllylylykyl methylcellulose ku-Cement Jature ukugcinwa kwamanzi nokuqina. Ngaphezu kwalokho, ngenxa yokuxhumana kwayo nohlelo lukasimende, futhi lungadlala indima ezayo ekwenzeni umoya, ukubuyisa ukulungiselelwa, kanye nokwenza ngcono amandla ebhondi. umphumela.
Ukusebenza okubaluleke kakhulu kwe-hydroxypropyllykyl methylcellulose ku-motar ukugcinwa kwamanzi. Njengomuntu ophikisayo we-cellulose ether e-pulati, i-hydroxypropyl methylcellulose ingasetshenziswa cishe kuyo yonke imikhiqizo yodaka, ikakhulukazi ngenxa yokugcinwa kwayo kwamanzi. Ngokuvamile, ukugcinwa kwamanzi kwe-hydroxypropyllllllylylylyll methylcellulose kuhlobene nokubonakala kwayo, degree of inqumetha kanye nosayizi wezinhlayiyana.
I-Hydroxypropyllylylylyly isetshenziswa njengesikhulu, futhi umphumela wayo wokuqina uhlobene nezinga lokufaka esikhundleni, usayizi wezinhlayiyana, ubuhlakani kanye nezinga lokuguqulwa kwe-hydroxypropylylylylylylylylyl. Ngokuvamile, kuphakama izinga lokufaka esikhundleni sokufakwa esikhundleni kanye nokubonakala kwe-cellulose ether, futhi kuncane izinhlayiya, umphumela osobala kakhulu.
In hydroxypropyl methylcellulose, the introduction of methoxy groups reduces the surface energy of the aqueous solution containing hydroxypropyl methylcellulose, so that hydroxypropyl methylcellulose has an air-entraining effect on cement mortar. Yethula ama-bubble afanele womoya ku-motar, ngenxa yomphumela we- "ball" we-bubble yomoya,
Ukusebenza kokwakha kodaka kuyathuthuka, futhi ngasikhathi sinye, ukwethulwa kwama-bubble amoya kwandisa izinga lokukhipha lodaka. Vele, inani lokufakwa komoya lidinga ukulawulwa. Ukungena komoya okuningi kuzoba nomthelela ongemuhle emandleni odaka.
IHydroxypropylllylylyl izokubambezela inqubo yokusetha usimende, ngaleyo ndlela yehlise umoya kanye nokwenza okuqinisayo kuka usimende, futhi kunweba isikhathi sokuvula sikadaka ngokufanele, kepha lo mphumela awumuhle ngodaka ezifundeni ezibandayo.
Njenge-polymer telmer templer, i-hydroxypropyl methylcellulose ingathuthukisa ukusebenza kwe-bonding nge-substrate ngemuva kokungezwa ohlelweni lukasimende ngaphansi kwesisekelo sokugcina umswakama esikhwameni.
Ukufingqa, ukusebenza kweI-HPMCKu-mongar kuhlanganisa ikakhulukazi
Isikhathi Seposi: Dece-19-2022