Isizukulwane sesithathu se-defoamer yi-silicone defoamer esekelwe ku-polydimethylsiloxane (PDMS, i-dimethyl silicone oil). Njengamanje, ucwaningo nokusetshenziswa kwalesi sizukulwane se-defoamers kugxile kakhulu eShayina. I-PDMS yakhiwe nge-silicon oxygen chain kanye namanye amaqembu e-organic, futhi ayikwazi ukuhlelwa kahle kwifilimu ye-foam liquid, ukuze amabhamuza aqhume. I-PDMS ene-viscosity ephansi ine-viscosity enhle futhi i-PDMS ene-viscosity ephezulu ine-viscosity enhle.
Izinzuzo ze-silicone defoamer
Ine-inertia enhle yamakhemikhali futhi kunzima ukusabela nezinye izinto. Ingasetshenziswa ezixazululweni ze-asidi, i-alkali kanye nosawoti.
I-inertia enhle yomzimba, ingasetshenziswa ezimbonini zokudla nezokwelapha, futhi ayinayo ingcoliso emvelweni.
Ikwazi ukuzinza kahle ekushiseni kanye nokuguquguquka okuphansi, futhi ingasetshenziswa ebangeni elibanzi lokushisa.
I-viscosity iphansi futhi isakazeka ngokushesha endaweni yokuxhumana negesi noketshezi.
Ukucindezeleka kobuso okuphansi njengo-1.5-20 Mn / M (76 Mn / m ngamanzi).
Akulula ukuncibilikiswa yi-surfactant ohlelweni lwe-foam.
Isilinganiso esiphansi, i-viscosity ephansi kanye nokusha okuphansi.
Izinkinga ze-silicone defoamer
1. Kunzima ukuhlakazeka ohlelweni lwamanzi.
2. Ngenxa yokuthi iyancibilika ku-oyela, umphumela wokususa i-foam ohlelweni lwamafutha uyancishiswa.
3. Ukumelana nokushisa okuphezulu okubi.
4. Ukumelana okungekuhle ne-alkalinity enamandla.
Izindleko eziphezulu:I-PDMS iyi-emulsion yamanzi afakwe ku-oyela (O/W) eyenziwe ngamafutha e-silicone, i-emulsifier, i-thickener, njll., ehlanganiswa ngamanzi. Ukucindezeleka kobuso kwehla ngokushesha futhi kunemiphumela enamandla yokulwa nokuqhuma kwegwebu kanye nokulwa nokuqhuma kwegwebu. Ihlukaniswe cishe ngezindlela ezintathu: uwoyela we-silicone, uwoyela we-silicone + i-polyether eguquliwe kanye namafutha e-silicone aguquliwe e-polyether.
Ibonakala ngokuthi:Ukucindezeleka okuphansi kobuso, umsebenzi ophezulu wobuso kanye namandla aqinile okususa iphunga.
Isilinganiso esincane:Kungavimba futhi kuphule amabhamuza amaningi emidiya yamabhamuza.Iyakwazi ukuzinza kahle ekushiseni futhi ingasetshenziswa ebangeni elibanzi lokushisa.Isetshenziswa ne-polyether futhi inomphumela wokubambisana.Isetshenziswa kabanzi ekususeni iphunga emshinini wokuwasha, ekwenzeni amaphepha, e-pulp, ekwenzeni ushukela, ekufakeni i-electroplating, ekufakeni umanyolo wamakhemikhali, ezithasiselweni, ekuphatheni amanzi angcolile nakwezinye izinqubo zokukhiqiza. Embonini kaphethiloli, isetshenziswa kabanzi ekususeni i-sulfurization yegesi yemvelo ukuze kusheshiswe ukuhlukaniswa kwe-oyela negesi; Iphinde isetshenziswe ukulawula noma ukucindezela amabhamuza kumadivayisi afana nokomisa i-ethylene glycol, ukukhipha i-aromatic hydrocarbon, ukucubungula i-asphalt kanye nokugcoba i-dewaxing kawoyela. Embonini yezindwangu, isetshenziselwa ukudeda iphunga ekudayeni, ekukhuhleni, ekulinganisweni nakwezinye izinqubo; Isetshenziswa enqubweni ye-emulsion yamakhemikhali kanye nasekususeni iphunga emboni; Isetshenziselwa ukudeda iphunga ezinqubo ezahlukahlukene zokuhlushwa, zokubilisa kanye nezokuhluza embonini yokudla.
Isikhathi sokuthunyelwe: Meyi-05-2022