Kedu ihe bụ isi echiche nke stachi ether?
Azịza: A na-ejikarị ya eme ihe na-ewu ewu, nke nwere ike imetụta nguzobe nke ngwa agha nke ngwa agha nke gbachiri agbachi na lime, ma gbanwee owuwu na sag na-eguzogide ọgwụ. A na-ejikarị eyers starch na-eme ihe na-enweghị usoro na-anaghị agbanwe agbanwe. Ọ dị mma maka ma sistemụ alkaline, ma dakọtara na ọtụtụ ihe mgbakwunye na ngwaahịa gypsum (dịka ndị na-eme mkpọtụ, mc, stachi na polymers ndị ọzọ).
Njirimara nke stachi na-ama jijiji na:
(1) melite nguzogide;
(2) meziwanye ebe obibi;
(3) Mkpụrụ osisi dị elu.
Gịnị bụ isi ọrụ nke starch eart ke okpomoku dara ada?
Azịza: Starch eather bụ otu n'ime ihe ndị na-atọ ụtọ nke ngwa ngwa akọrọ. Ọ nwere ike dakọtara na ihe ndị ọzọ. A na-ejikarị ya eme ihe na taịlị, ngwa ngwa gypsum, tinye ya na ngwa agha, masonges na-emegharị ya ma ọ bụ fechaa ngwa ma ọ bụ gbadara. Ọ na-arụ ọrụ dị ka ndị a:
A na-ejikarị eriri ether na-ejikarị ya na njikọta methy cellulose ether, nke na-egosi mmetụta dị mma n'etiti abụọ. Na-agbakwunye ego nke starch eat to methy cellulose eather nwere ike ime ka nguzogide ndagide na ngọngọ nke ngwa agha, ya na nguzogide nke ngwa agha, ya na ngọngọ.
(2) na-agbakwunye ego zuru oke na ngwa agha nke nwere methy cellulose nwere ike ịba ụba nke ngwa agha, melite ọnya ahụ, ma mee ka owuwe ihe dị larịị ma dị larịị.
(3) ịgbakwunye ego kwesịrị ekwesị na ngwa agha nke nwere methy cellulose ether nwere ike iwepụta mmiri iji nweta mmiri nke ngwa agha ma mee ka oge gboo a na-emeghe.
Kedu uru ngwa ahịa na usoro nchekwa nke starch ether?
Azịza: Enwere ike iji ya mee ihe dị ka onye na-eme ihe onwunwe ciment, ngwaahịa Gypssum na ngwaahịa ikuku-calcium.
(1) uru na ngwa:
a. O nwere mmetụta na-arụsi ike n'elu osisi, nwere ike ịkacha ngwa ngwa, nweekwa ezigbo ọnụ ọchị;
b. Usoro ọgwụ dị obere, na usoro ọgwụgwọ dị ala nwere ike imepụta nnukwu mmetụta;
c. Meziwanye ikike mgbochi na-emebi emebi;
d. na-emeghe oge ihe a;
e. Meziwanye arụmọrụ arụmọrụ nke ihe ahụ ma mee ka ọrụ ahụ dị nro.
(2) Nchekwa:
Ngwaahịa ahụ nwere ike ịchekwa ya na nkụ ma dị jụụ na ebe a na-eme nkwakọ ngwaahịa mbụ. Ọ kachasị mma iji ya n'ime ọnwa iri na abụọ. (A na-atụ aro ka eji ya na njikọta na Visilose Cellulose Ether, Generals General of Cellulose EEther Ether bụ 7: 3 ~ 8: 2)
Kedu ihe bụ ọrụ methyl cellulose na akọrọ ntụ ntụ?
A: Methythyythythythythythyythythyyth celdrose eather (mhec hydropyypypyl cellulose eather (hpmc) na-ezo aka na yathyth cellulose ether.
Na ubi nke akọrọ ntụ ntụ nke ether methy bụ ihe dị mkpa maka ngwa agha akọrọ dị ka ngwa agha, plasta na-acha uhie uhie, ngwa agha na-acha akwụkwọ ndụ, akwụkwọ ahụaja na culking ihe. Na ngwa ngwa akọrọ, methyl cellulose eather kachasị na-ekere ọrụ njigide mmiri na oke.
Kedu usoro mmepụta nke methylcellose?
Azịza: Nke mbụ, akụrụngwa cellulose a na-echi, ma alkalized na pupped n'okpuru ihe nke cuusc soda. Tinye Oye Olif oxide (dika othlene oxide ma ọ bụ oxide oxide) na methyl chloride maka ogo. N'ikpeazụ, a na-eme mmiri ịsa mmiri na ịdị ọcha iji mee ka ọ bụrụ ntụ ntụ ọcha. Ntụ ntụ ntụ, karịsịa ngwọta ya n'lume, nwere ihe ndị na-atọ ụtọ anụ ahụ. The cellulose nke ụlọ ọrụ na-ewu ihe bụ Methylythythythythythyythypypypyl Cellulose (zoro aka na aha MHPC, ma ọ bụ aha mc). Ngwaahịa a na-arụ ọrụ dị oke mkpa n'ọhịa ngwa nkụ. Ọrụ Dị Mkpa.
Oge post: Feb-22-2025