Defoaming ndiko kugona kwejasi kubvisa furo rinogadzirwa panguva yekugadzira uye kupfekedza maitiro.Defoamersimhando yekuwedzera inoshandiswa kuderedza furo rinogadzirwa panguva yekugadzira uye / kana kushandiswa kwejasi. Saka ndezvipi zvinhu zvinokanganisa kusvibiswa kwemajasi?
1. Kushushikana kwepamusoro
Kushushikana kwepamusoro kwejasi kune simba guru pane defoamer. Kudzvinyirirwa kwepamusoro kwe defoamer kunofanira kunge kwakaderera pane iyo yekuputira, kana zvisina kudaro haizokwanisi kubvisa uye inhibit foam. Kushungurudzika kwepamusoro kwechifukidzo chinhu chinoshanduka, saka pakusarudza defoamer, zvose zvinogara zvichiitika pamusoro pepamusoro uye kushanduka kwepamusoro kwemaitiro kunofanira kufungwa.
2. Zvimwe zvinowedzera
Mazhinji ma surfactants anoshandiswa mumajasi anoshanda asingaenderane ne defoamers. Kunyanya, emulsifiers, kunyorova uye kuparadzira vamiririri, maajenti ekuyeresa, makobvu, nezvimwe zvinokanganisa mhedzisiro ye defoamers. Nokudaro, kana tichibatanidza zvakasiyana-siyana zvekuwedzera, tinofanira kubhadhara kune hukama huri pakati pezvimwe zvinowedzera uye sarudza nzvimbo yakanaka yekuenzanisa.
3. Kurapa zvinhu
Kana iyo pendi ichipinda mukupisa-kupisa kubikira mukamuri tembiricha, iyo viscosity inodonha ipapo ipapo uye mabhuru anogona kufamba kumusoro. Nekudaro, nekuda kwekuvhuvhuta kweiyo solvent, kupora kwepende, uye kuwedzera kwepamusoro viscosity, furo riri mupende rinowedzera kugadzikana, nekudaro rakavharirwa pamusoro, zvichikonzera shrinkage makomba uye pinholes. Naizvozvo, tembiricha yekubikira, kukurumidza kuporesa, chiyero chekunyungudika kwesolvent, nezvimwe zvinokanganisawo maitiro ekubvisa.
4. Solid content, viscosity, uye elasticity of coatings
High-solid gobvu coatings, high-viscosity coatings, uye high-elasticity coatings zvose zvakaoma zvikuru kubvisa furo. Pane zvinhu zvakawanda zvisingakodzeri kuburitsa furo, sekuoma kwe defoamers kupararira mumachira aya, kunonoka kwema microbubbles kushanduka kuita macrobubbles, kuderedzwa kugona kwemafuro kutamira pamusoro, uye yakakwirira viscoelasticity yemafuro. Iyo furo iri mumachira aya yakaoma kubvisa, uye zvinodikanwa kusarudza defoamers uye deaerator kuti ishandiswe pamwe chete.
5. Coating nzira uye tembiricha kuvaka
Kune nzira dzakawanda dzekuputira mashandisirwo, dzinosanganisira kubhurasha, roller coating, kudurura, kukwesha, kupfapfaidza, kudhinda screen, etc. Iyo yekupupa dhigirii rejasi uchishandisa nzira dzakasiyana dzekupfekedza zvakare dzakasiyana. Kubhurasha nekurora kunoburitsa furo rakawanda pane kupfapfaidza nekukwesha. Mukuwedzera, nzvimbo yekuvaka nekushisa kwepamusoro inogadzira furo yakawanda kupfuura iyo ine kupisa kwakadzika, asi iyo furo zvakare iri nyore kubvisa pakupisa kukuru.
Nguva yekutumira: Chivabvu-09-2025