Focus on Cellulose ethers

Gịnị bụ ọrụ nke hydroxypropyl methylcellulose na ihe ụfụfụ

Mbelata dị elu nke ngọngọ ule na ebu mgbe ịkpụzi ya na-egosipụta mmetụta nke hydroxypropyl methylcellulose na nkwụsi ike olu nke kọmpụta foamed. Enwere ike ịhụ na usoro onunu ogwu nke 0.05% hydroxypropyl methylcellulose bụ ezigbo usoro onunu ogwu, na mgbe usoro onunu ogwu nke hydroxypropylmethylcellulose bụ 0.05%, mbelata elu na-eji nwayọọ nwayọọ na-abawanye. Nyocha ahụ na-egosi na mgbe hydroxypropyl methylcellulose kwesịrị ekwesị, ọ nwere ike ibelata ụda olu nke ahụ siri ike ma na-eme ka mmiri nke slurry dịkwuo mma. N'oge usoro siri ike nke slurry, mmiri na-efunahụ mgbe niile. Ọfụfụ dị n'ime ahụ na-enwekwa nkụda mmụọ mgbe niile, na mkpụmkpụ nke ahụ siri ike bụ ihe a na-apụghị izere ezere. Nke a na-eme ka olu nke ahụ siri ike ghara ịdị n'otu, na ngwakọta nke hydroxypropyl methylcellulose ọ bụghị nanị na-enye ahụ siri ike Ọ bụghị nanị na ọ nwere mmetụta njigide mmiri dị mma, kamakwa ọ na-eme ka ụfụfụ mbụ sie ike site na njirimara nke slurry hardening na hydroxypropyl. Ihe nkiri methylcellulose na-agbasi ike n'otu oge ahụ, ka ọ wee nwee mmetụta dị mma nke ụfụfụ na-ebelata ma belata mbelata nke olu ahụ siri ike.

Nkwado ụfụfụ inyeaka

Ka ọnụ ọgụgụ hydroxypropyl methylcellulose na-abawanye ruo 0.5%, mkpọda ahụ belatara ntakịrị. Ihe omuma a gosiputara na mgbe ihe di n'ime hydroxypropyl methylcellulose agafeghi 0.05%, mgbakwunye nke hydroxypropyl methylcellulose nwere ike ime ka mmiri na viscosity nke slurry nke foamed. Mgbe hydroxypropyl methylcellulose gbazere, a na-emepụta ihe nkiri na-agbanwe mmiri na-agbanwe agbanwe n'etiti akụkụ ahụ siri ike na ikuku gas, nke nwere mmetụta dị mma nke ọma n'oge usoro ngwakọta. Slurry bụ n'efu na otu "bọọlụ", nke na-eme ka ọ dịkwuo mma nke ọma: ma ọ bụrụ na ọnụọgụ hydroxypropyl methylcellulose gafere 0.5%, slurry ga-adị oke viscous na mmiri ga-ebelata nke ukwuu. Otú ọ dị, 0.05% hydroxypropyl methylcellulose ọ bụghị nanị na-eme ka slump ahụ pụta ìhè, kamakwa ọ na-eme ka ikuku ikuku dị jụụ, nke dị mma maka ịgbakwunye ndị mmadụ.


Oge nzipu: Eprel-23-2023
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