I. Mmanụ eke (ya bụ mmanụ soybean, mmanụ ọka, wdg)
II.Mmanya Carbon dị elu
III.Polyether Antifoamers
IV.Polyether Modified Silicone
... isi nke gara aga maka nkọwa.
V. Organic Silicon Antifoamer
Polydimethylsiloxane, nke a makwaara dị ka mmanụ silicone, bụ isi ihe na-emepụta silicone defoamer.E jiri ya tụnyere mmiri na mmanụ nkịtị, esemokwu elu ya dị ntakịrị, nke kwesịrị ekwesị maka ma usoro ụfụfụ nke mmiri na-adabere na mmanụ.Mmanụ silicone nwere ọrụ dị elu, enweghị ike ịdị ala, akụrụngwa kemịkalụ kwụsiri ike, oke ngwa ngwa ọkụ, mgbanwe dị ala, anaghị egbu egbu, yana ikike imebi ụfụfụ a ma ama.Mwepu bụ adịghị mma na-egbochi ụfụfụ.
1. Antifoamer siri ike
Antifoamer siri ike nwere njirimara nke nkwụsi ike dị mma, usoro dị mfe, njem dị mma na iji dị mfe.Ọ na-adabara ma mmanụ mmanụ na oge mmiri, na ụdị mgbasa ozi nke ọkara na-apụtakwa ìhè.A na-ejikarị ya eme ihe n'ọhịa nke obere ụfụfụ ma ọ bụ ntụ ntụ na-adịghị ụfụfụ.
2. Emulsion Antifoamer
The silicone mmanụ na emulsion defoamer nwere nnukwu esemokwu, na emulsification ọnụọgụ dị oke ibu.Ozugbo ahọpụtara emulsifier n'ụzọ na-ekwesịghị ekwesị, ọ ga-eme ka onye na-emebi ụfụfụ kpuchie ya na metamorphic n'ime obere oge.Nkwụsi ike nke emulsion dị oke mkpa maka ịdị mma nke onye na-emebi ụfụfụ.Ya mere, nkwadebe nke emulsion ụdị silicone defoamer na-elekwasị anya na nhọrọ nke emulsifier.N'otu oge ahụ, emulsion defoamer nwere nnukwu usoro onunu ogwu na silicone defoamer na njirimara nke ọnụ ala dị ala, nnukwu ngwa ngwa, mmetụta nkwụsịtụ doro anya, na ihe ndị ọzọ.Site na ọganihu nke teknụzụ mmepụta ihe, emulsion defoamer ga-etolite nke ukwuu.
3. Ngwọta Antifoamer
Ọ bụ ihe ngwọta mere site na igbari mmanụ silicone na ihe mgbaze.Ụkpụrụ na-emebi ụfụfụ ya bụ na a na-ebu ihe ndị na-emepụta mmanụ silicone site na ihe mgbaze ma gbasasịa na ngwọta ụfụfụ.N'ime usoro a, mmanụ silicone ga-eji nwayọọ nwayọọ na-agbakọta n'ime ụmụ irighiri mmiri iji mechaa mebie ụfụfụ.Enwere ike iji mmanụ silik gbazere n'ime usoro ihe ngwọta organic na-abụghị mmiri, dị ka polychloroethane, toluene, wdg, dị ka ihe ngwọta mmanụ na-emebi ụfụfụ.
4. Mmanụ Antifoamer
Akụkụ bụ isi nke defoamer mmanụ bụ mmanụ silicone dimethyl.Dị ọcha dimethyl silicone mmanụ enweghị mmetụta defoaming na ọ chọrọ emulsified.Esemokwu dị n'elu nke silicone emulsified na-ebelata ngwa ngwa, na obere ego nwere ike nweta nkwụsị ụfụfụ siri ike na mgbochi.Mgbe agwakọtara mmanụ silicone na akụkụ ụfọdụ nke ndị enyemaka silica hydrophobically mesoo, enwere ike ịmepụta ihe defoamer mmanụ.A na-eji silicon dioxide eme ihe dị ka ihe nkpuchi, n'ihi na nnukwu ìgwè hydroxyl dị n'elu ya nwere ike ime ka ike mgbasa nke mmanụ silicone dị na usoro ụfụfụ ahụ, na-eme ka nkwụsi ike nke emulsion dịkwuo elu, ma na-emeziwanye ihe na-adịghị mma nke silicone defoamer.
N'ihi na mmanụ silicone bụ lipophilic, silicone defoamer nwere mmetụta defoaming dị mma na ngwọta mmanụ.Otú ọ dị, isi ihe ndị a kwesịrị ịṅa ntị mgbe ị na-eji silicone defoamer:
● obere viscosity silicone defoamer nwere mmetụta defoaming dị mma, mana nnọgidesi ike ya adịghị mma;Nnukwu viscosity silicone defoamer nwere mmetụta defoaming nwayọ mana ọ na-adịgide adịgide.
● Ọ bụrụ na viscosity nke ngwọta ụfụfụ dị ala, ọ ka mma ịhọrọ silicone defoamer na viscosity dị elu.N'ụzọ dị iche, nke dị elu nke viscosity nke ngwọta ụfụfụ, ọ ka mma ịhọrọ silicone defoamer na obere viscosity.
● Ibu arọ molekụla nke silicone defoamer mmanu nwere mmetụta ụfọdụ na mmetụta nbipụ ya.
● The defoamer na obere molekụla arọ dị mfe ịgbasa na igbari, ma enweghị nnọgidesi ike.N'ụzọ megidere nke ahụ, arụmọrụ defoaming nke elu molecular arọ defoamer adịghị mma, na emulsification siri ike, ma solubility adịghị mma na ịdịte aka dị mma.
Oge nzipu: Nov-19-2021