Focus on Cellulose ethers

Nsogbu nkịtị nke putty na-eguzogide mmiri maka mgbidi ime

Nsogbu nkịtị nke putty na-eguzogide mmiri maka mgbidi ime

1. Nsogbu nkịtị na putty ntụ ntụ:

1.1 Na-ata ngwa ngwa.Nke a na-emetụtakarị na mgbakwunye nke calcium ash na njigide mmiri nke eriri, yana metụtara nkụ nke mgbidi.

1.2 Peeling na ịtụgharị.Nke a metụtara ọnụ ọgụgụ njide mmiri, nke dị mfe ime mgbe viscosity nke cellulose dị ala ma ọ bụ ọnụ ọgụgụ nke mgbakwunye dị ntakịrị.

1.3 De-ntụ ntụ.Nke a metụtara oke calcium ash agbakwunyere, ọ na-emetụtakwa ego na ogo nke cellulose agbakwunyere.A na-egosipụta ya na ọnụ ọgụgụ njide mmiri nke ngwaahịa ahụ.Ọnụ ọgụgụ njide mmiri dị ala na oge hydration nke calcium ash ezughị.

1.4 Ọnya.Nke a metụtara iru mmiri akọrọ na ịdị larịị nke mgbidi ahụ, ọ na-emetụtakwa ihe owuwu ahụ.

1.5 ntụtụ pụtara.Nke a metụtara cellulose, nke nwere ihe na-emepụta ihe nkiri na-adịghị mma.N'otu oge ahụ, adịghị ọcha dị na cellulose na-emeghachi omume ntakịrị na calcium ash.Ọ bụrụ na mmeghachi omume ahụ siri ike, ntụ ntụ putty ga-apụta na ọnọdụ nke ihe fọdụrụ na bean curd.Enweghị ike itinye ya na mgbidi, ọ nweghịkwa ike jikọrọ ọnụ n'otu oge ahụ.Tụkwasị na nke a, ọnọdụ a na-emekwa na ngwaahịa ndị dị ka otu carboxyl agbakwunyere na cellulose.

1.6 Volcanoes na pinholes pụtara.O doro anya na nke a nwere njikọ na esemokwu elu mmiri nke hydroxypropyl methylcellulose aqueous solution.Esemokwu tebụl mmiri nke ngwọta mmiri hydroxyethyl abụghị ihe doro anya.Ọ ga-adị mma ịmecha ọgwụgwọ.

1.7 Mgbe putty kpochara, ọ dị mfe ịgbawa ma gbanwee edo edo.Nke a metụtara mgbakwunye nke nnukwu calcium isi awọ.Ọ bụrụ na agbakwunyere calcium isi awọ nke ukwuu, ike nke ntụ ntụ putty ga-abawanye mgbe ihichachara.Naanị isi ike na enweghị mgbanwe ga-adị mfe ịgbawa, karịsịa ma ọ bụrụ na a na-etinye ya na ike mpụga.Ọ na-ejikọta ya na nnukwu ọdịnaya calcium oxide na calcium isi awọ, nke ewepụtara na mbụ.

2. Gịnị mere uzuzu putty ji eme ka ọ dị gịrịgịrị ma gbakwunye mmiri?

A na-eji cellulose mee ihe dị ka ihe na-eme ka mmiri na-eme ka mmiri dị na putty.N'ihi thixotropy nke cellulose n'onwe ya, mgbakwunye nke cellulose na ntụ ntụ na-edugakwa na thixotropy mgbe agbakwunyere mmiri na putty.Nke a na-akpata thixotropy site na nbibi nke usoro ejikọtara na-adịghị mma nke ihe ndị dị na ntụ ntụ putty.Ihe owuwu a na-ebilite na izu ike ma daa n'okpuru nrụgide.Ya bụ, viscosity na-ebelata n'okpuru mkpali, na viscosity na-agbake mgbe guzoro.

3. Gini mere putty ji di arọ na usoro nchapu?

N'okwu a, viscosity nke cellulose a na-ejikarị eme ihe dị elu.Ụfọdụ ndị na-emepụta ihe na-eji cellulose 200,000 mee putty.Putty a na-emepụta n'ụzọ dị otú a nwere nnukwu viscosity, ya mere ọ na-adị arọ mgbe ọ na-ehichapụ.Ọnụ ego a tụrụ aro maka mgbidi ime bụ 3-5 kg, na viscosity bụ 80,000-100,000.

4. Gịnị mere putty na ngwa agha nke cellulose nwere otu viscosity ji dị iche na oyi na okpomọkụ?

N'ihi gelation thermal nke ngwaahịa ahụ, viscosity nke ngwaahịa ahụ ga-eji nwayọọ nwayọọ belata na mmụba nke okpomọkụ.Mgbe ọnọdụ okpomọkụ karịrị gel okpomọkụ nke ngwaahịa ahụ, ngwaahịa ahụ ga-esi na mmiri pụta ma hapụ viscosity ya.Okpomọkụ ụlọ n'oge okpomọkụ na-adịkarị karịa ogo 30, nke dị nnọọ iche na okpomọkụ n'oge oyi, ya mere viscosity dị ala.A na-atụ aro ka ịhọrọ ngwaahịa nwere viscosity dị elu n'oge okpomọkụ, ma ọ bụ mee ka ọnụ ọgụgụ nke cellulose dịkwuo elu, ma họrọ ngwaahịa nwere okpomọkụ gel dị elu.Gbalịa ịhọrọ ngwaahịa nwere okpomọkụ jel karịa ogo 70.Gbalịa ka ị ghara iji methyl cellulose n'oge okpomọkụ, gel ya dị gburugburu 55 degrees, ma ọ bụrụ na okpomọkụ dị ntakịrị elu, viscosity ya ga-emetụta nke ukwuu.


Oge nzipu: Mee-22-2023
Mkparịta ụka WhatsApp n'ịntanetị!