Iimveliso zethu eziphambili: i-amino silicone, i-silicone yebhloko, i-silicone ye-hydrophilic, yonke i-emulsion ye-silicone, i-emulsion ye-silicone yokumanzisa, iphucula ukukhawuleza kwamanzi, ukugxotha amanzi (i-Fluorine free, i-Carbon 6, i-Carbon 8), i-demin yokuhlamba iikhemikhali (ABS, i-Enzyme, i-Spandex mkhuseli, i-Manganese remover) , Amazwe angaphandle angaphandle: i-Indiya, i-Pakistanrk, i-Bangladeshi, njl. : Mandy +86 19856618619 (Whatsapp)
Umgaqo, ulwahlulo, ukhetho, kunye nedosi ye-defoamers

Ingxaki yogwebu ekucocweni kwamanzi ibaxakile abantu abaninzi. Kwinqanaba lokuqala lokuyalela, ugwebu, ugwebu surfactant, amagwebu impembelelo, amagwebu peroxide, amagwebu eveliswa ngokudibanisa non oxidizing bactericide ekujikelezeni unyango lwamanzi, njl, ngoko ke ukusetyenziswa defoamer kunyango lwamanzi kuyinto eqhelekileyo. Eli nqaku lazisa ngokubanzi umgaqo, ulwahlulo, ukhetho kunye nomthamo we-defoamer!

★ Ukupheliswa kogwebu
1. Iindlela zomzimba

Ukususela kumbono womzimba, iindlela zokuphelisa i-foam ikakhulu zibandakanya ukubeka i-baffle okanye isikrini sokucoca, ukuxhatshazwa komatshini, umbane osisigxina, ukukhenkceza, ukufudumeza, i-steam, i-ray irradiation, i-high-speed centrifugation, ukunciphisa uxinzelelo, i-high-frequency vibration, ukukhutshwa kwangoko kunye ne-ultrasonic (ulawulo lwe-acoustic liquid). Ezi ndlela zonke zikhuthaza ukuhanjiswa kwegesi kuzo zombini iziphelo zefilimu yolwelo kunye nokukhutshwa kolwelo lwefilimu yebhamu ukuya kumaqondo ahlukeneyo, okwenza uzinzo lwe-foam lungaphantsi kwe-attenuation factor, ukwenzela ukuba inani le-foam liyancipha ngokuthe ngcembe. Nangona kunjalo, ukungalunganga okuqhelekileyo kwezi ndlela kukuba zinyanzelwa kakhulu yimiba yokusingqongileyo kwaye zinezinga eliphantsi lokukhupha amagwebu. Iingenelo kukhuseleko lokusingqongileyo kunye nezinga eliphezulu lokuphinda lisetyenziswe.

2. Iindlela zemichiza

Iindlela zeekhemikhali zokuphelisa i-foam ikakhulu ziquka indlela yokusabela kweekhemikhali kunye nokongeza i-defoamer.

Indlela yokusabela kweekhemikhali ibhekiselele kwindlela yokusabela kweekhemikhali phakathi kwe-arhente ephuphumayo ugwebu kunye ne-arhente ephuphumayo ugwebu ngokongeza ezinye ii-reagents ukuvelisa izinto ezinganyibilikiyo emanzini, ngaloo ndlela kuncitshiswe ukuxinana kwe-surfactant kwifilimu yolwelo kunye nokukhuthaza ukugqabhuka kwegwebu. Nangona kunjalo, le ndlela ineziphene ezithile, ezifana nokungaqiniseki kokwakheka kwe-ejenti enogwebu kunye nomonakalo wezinto ezinganyibilikiyo kwisixhobo senkqubo. Eyona ndlela isetyenziswa kakhulu yokuthoba amagwebu kumashishini ahlukeneyo kule mihla yindlela yokongeza i-defoamers. Eyona nzuzo inkulu yale ndlela kukusebenza kwayo okuphezulu kokungcola kunye nokusebenziseka ngokulula. Nangona kunjalo, ukufumana i-defoamer efanelekileyo kunye nesebenzayo ngundoqo.

★Umgaqo-siseko we-defoamer

I-Defoamers, eyaziwa ngokuba yi-defoamers, inemigaqo elandelayo:

1. Indlela yokunciphisa i-foam yendawo yokunciphisa i-foam ekhokelela ekuqhumeni kwe-foam kukuba i-alcohols ephezulu okanye i-oyile yemifuno ifafazwe kwi-foam, kwaye xa inyibilikiswa kulwelo lwe-foam, ukunyanzeliswa komhlaba kuya kuncitshiswa kakhulu. Ngenxa yokuba ezi zinto ngokubanzi zinokunyibilika okuphantsi kwamanzi, ukuncitshiswa koxinzelelo lwangaphezulu kuthintelwe kwindawo yengingqi yogwebu, ngeli lixa ukuxinezeleka komphezulu ojikeleze ugwebu kuphantse kungatshintshi. Inxalenye enoxinzelelo oluncitshisiweyo lomphezulu itsalwa ngamandla kwaye yandiswe kuwo onke amacala, kwaye ekugqibeleni iyaphuka.

2. Ukutshatyalaliswa kwe-membrane elasticity kukhokelela kwi-bubble breaking defoamer eyongezwe kwi-foam system, eya kusasazeka kwi-interface ye-gas-liquid, okwenza kube nzima kwi-surfactant ene-foam stabilizing effect ukubuyisela i-membrane elasticity.

3. I-Defoamers ekhuthaza ukukhupha ifilimu yolwelo inokukhuthaza ukukhutshwa kwefilimu yolwelo, ngaloo ndlela kubangele ukugqabhuka kwamaqamza. Isantya sokukhupha i-foam sinokubonakalisa ukuzinza kwe-foam. Ukongeza into ekhawulezisa i-drainage yegwebu nako kunokudlala indima ekukhupheni amagwebu.

4. Ukongeza amaqhekeza aqinileyo e-hydrophobic kunokubangela ukuba amaqamza agqabhuke kumphezulu wamaqamza. Amasuntswana aqinileyo e-Hydrophobic atsala isiphelo se-hydrophobic se-surfactant, esenza amasuntswana e-hydrophobic abe yi-hydrophilic kwaye angene kwisigaba samanzi, ngaloo ndlela edlala indima ekungcoleni.

5. I-Solubilizing kunye nee-surfactants ezinogwebu zinokubangela ukuba amaqamza agqabhuke. Ezinye izinto ezinobunzima obuphantsi bemolekyuli ezinokuxutywa ngokupheleleyo kunye nesisombululo zinokunyibilikisa i-surfactant kwaye zinciphise ukugxilwa kwayo okusebenzayo. Izinto ezisezantsi zemolekyuli ezineempembelelo, ezifana ne-octanol, i-ethanol, ipropanol kunye nezinye i-alcohols, azinakunciphisa kuphela i-surfactant concentration kumphezulu we-surfactant, kodwa ziphinde zinyibilike kumaleko we-adsorption ye-surfactant, ukunciphisa ukubumbana kweemolekyuli ze-surfactant, ngaloo ndlela zenza buthathaka ukuzinza kwegwebu.

6.Electrolyte breakdown surfactant double electric layer idlala indima defoaming ekusebenzisaneni surfactant double electric layer with foam ukuvelisa ulwelo olugwebuyo oluzinzileyo. Ukongeza i-electrolyte eqhelekileyo inokuwisa umaleko wombane ophindwe kabini.

★ Ukuhlelwa kwee-defoamers

I-defoamers esetyenziswa ngokuqhelekileyo ingahlulwa ibe yi-silicone (i-resin), i-surfactant, i-alkane, kunye ne-oyile yamaminerali ngokubunjwa kwayo.

1. I-silicone (i-resin) i-defoamers, eyaziwa ngokuba yi-emulsion defoamers, isetyenziselwa i-emulsifying kunye nokusabalalisa i-silicone resin kunye ne-emulsifiers (i-surfactants) emanzini ngaphambi kokuyifakela emanzini amdaka. I-silicon dioxide ipowder ecocekileyo yolunye uhlobo lwe-silicon-based defoamer enempembelelo engcono yokukhupha amagwebu.

2. Ii-surfactants ezinjalo zi-defoamers ngokwenene zi-emulsifiers, oko kukuthi, zisebenzisa i-dispersion of surfactants ukugcina izinto ezenza amagwebu kwisimo esizinzileyo se-emulsified emanzini, ukuze kugwenywe ukubunjwa kwegwebu.

3. I-Alkane esekelwe i-defoamers i-defoamers eyenziwe ngokufaka i-emulsifying kunye nokusabalalisa i-wax yeparafini okanye i-derivatives yayo ngokusebenzisa i-emulsifiers. Ukusetyenziswa kwazo kuyafana naleyo ye-surfactant based emulsifying defoamers.

I-4.I-oyile ye-mineral iyona nto iphambili yokukhupha amagwebu. Ukuphucula umphumo, ngamanye amaxesha isepha yesinyithi, ioli ye-silicone, i-silica kunye nezinye izinto zixutywe kunye ukuze zisetyenziswe. Ukongeza, ii-surfactants ezahlukeneyo ngamanye amaxesha zinokongezwa ukwenza lula ukusasazwa kweoyile yeminerali kumphezulu wesisombululo esinamagwebu okanye ukusasaza ngokulinganayo iisepha zesinyithi kunye nezinye izinto kwioyile yezimbiwa.
★ Izinto eziluncedo kunye nokungonakali kweentlobo ezahlukeneyo ze-defoamers

Uphando kunye nokusetyenziswa kwe-organic defoamers ezifana ne-oyile yamaminerali, i-amides, i-alcohols ephantsi, i-fatty acids kunye ne-fatty acid esters, i-phosphate esters, njl njl. zisengaphambili kwaye zivela kwisizukulwana sokuqala se-defoamers. Baneenzuzo zokufumaneka lula kwemathiriyeli ekrwada, ukusebenza okuphezulu kokusingqongileyo, kunye neendleko eziphantsi zemveliso; Izinto ezingeloncedo kukuthoba amagwebu ngokusulungekileyo, ukuchaneka okuqinileyo, kunye neemeko ezirhabaxa zokusetyenziswa.

I-polyether defoamers zidefoam zesizukulwana sesibini, ikakhulu ezibandakanya iipolyetha zekhonkco ezithe tye, iipolyetha eziqala kwi-alcohols okanye i-ammonia, kunye nezinto eziphuma kwi-polyether ezine-esterification yeqela lokugqibela. Olona ncedo lukhulu lwee-polyether defoamers bubuchule babo bomelele bokuchasa ugwebu. Ukongeza, ezinye i-polyether defoamers nazo zineempawu ezibalaseleyo ezifana nokumelana nobushushu obuphezulu, i-asidi eqinile kunye nokumelana ne-alkali; Izinto ezingeloncedo zithintelwe ziimeko zeqondo lobushushu, iindawo ezimxinwa zezicelo, ukungakwazi ukwenza amagwebu okulambathayo, kunye nesantya esisezantsi sokuqhekeka kweqamza.

I-silicone defoamers ye-Organic (i-defoamers yesizukulwana sesithathu) inokusebenza okuqinileyo, ukukwazi ukukhupha amagwebu ngokukhawuleza, ukuguquguquka okuphantsi, akukho tyhefu kwindalo, akukho inertia ye-physiological, kunye noluhlu olubanzi lwezicelo. Ke ngoko, banethemba elibanzi losetyenziso kunye namandla amakhulu emarike, kodwa ukusebenza kwabo kokwenza amagwebu kumbi.

I-Polysiloxane defoamer eguqulelweyo ye-Polyether idibanisa iingenelo zombini i-polyether defoamers kunye ne-organosilicon defoamers, kwaye isalathiso sophuhliso lwe-defoamers. Ngamanye amaxesha inokuthi iphinde isetyenziswe ngokusekelwe kwi-solubility ebuyela umva, kodwa okwangoku kukho iintlobo ezimbalwa ze-defoamers ezinjalo kwaye zisekho kwinqanaba lophando kunye nophuhliso, okukhokelela kwiindleko eziphezulu zemveliso.

★ Ukukhethwa kwee-defoamers

Ukukhethwa kwee-defoamers kufuneka kuhambelane nezi ndlela zilandelayo:

1. Ukuba i-insoluble okanye ayinyibilikiyo kwisisombululo se-foam, iya kuphula i-foam. I-defoamer kufuneka igxininiswe kwifilimu ye-foam. I-defoamers, kufuneka igxininiswe kwaye igxininiswe ngokukhawuleza, ngelixa i-foam suppressants, kufuneka igcinwe kweli lizwe rhoqo. Ke i-defoams zikwimeko egcwele kakhulu kulwelo olugwebu ugwebu, kwaye kuphela ezo zinganyibilikiyo okanye ezinganyibiliki kakuhle ezithanda ukufikelela kwi-supersaturation. Ukunganyibiliki okanye kunzima ukunyibilika, kulula ukudibanisa kwi-interface ye-gas-liquid, kulula ukugxila kwi-bubble membrane, kwaye inokusebenza kwiindawo ezisezantsi. I-defoamer esetyenziswe kwiinkqubo zamanzi, i-molecule esebenzayo, kufuneka ibe yi-hydrophobic enamandla kunye ne-hydrophilic ebuthakathaka, enexabiso le-HLB kwi-1.5-3 yesiphumo esihle.

2. Uxinzelelo lomphezulu luphantsi kunolwelo olunamagwebu, kwaye kuphela xa i-intermolecular forces ye-defoamer incinci kwaye i-top tension iphantsi kune-foaming liquid, ingaba i-particle defoamer ingena kwaye yandise kwifilimu ye-foam. Kuyafaneleka ukuba uqaphele ukuba ukunyanzeliswa komphezulu wesisombululo se-foaming akusiyo i-tension surface yesisombululo, kodwa ukunyanzeliswa komphezulu wesisombululo se-foaming.

3. Kukho iqondo elithile lokunxulumana nolwelo olugwebu. Njengoko inkqubo yokukhupha amagwebu eneneni ilukhuphiswano phakathi kwesantya sokuwa kwegwebu kunye nesantya sokuvelisa amagwebu, i-defoamer kufuneka ikwazi ukusasaza ngokukhawuleza kulwelo olugwebuyo ukuze idlale indima ngokukhawuleza kuluhlu olubanzi lolwelo olugwebu. Ukwenza i-defoamer isasazeke ngokukhawuleza, isithako esisebenzayo se-defoamer kufuneka sibe neqondo elithile lobudlelwane kunye nesisombululo se-foaming. Izithako ezisebenzayo ze-defoamers zisondele kakhulu kulwelo olugwebu kwaye ziya kunyibilika; Incinci kakhulu kwaye kunzima ukuyichithachitha. Kuphela kuxa ukusondelana kufanelekile apho ukusebenza kuyakuba kuhle.

4. Ii-defoamers aziyi kuchaphazeleka kwiikhemikhali ezinolwelo olugwebu. Xa i-defoamers isabela ngolwelo olugwebu ugwebu, iyaphulukana nokusebenza kwayo kwaye inokuvelisa izinto eziyingozi ezichaphazela ukukhula kwentsholongwane.

5.I-Volatility ephantsi kunye nexesha elide lesenzo. Okokuqala, kuyimfuneko ukugqiba ukuba ngaba inkqubo efuna ukusetyenziswa kwe-defoamers isekelwe kumanzi okanye i-oyile. Kwishishini lokubilisa, i-oyile-based defoamers efana ne-polyether modified silicone okanye i-polyether esekelwe kufuneka isetyenziswe. Ishishini lokugubungela ngamanzi lifuna i-defoams yamanzi kunye ne-organic silicon defoamers. Khetha i-defoamer, thelekisa imali eyongeziweyo, kwaye ngokusekelwe kwixabiso lereferensi, misela eyona mveliso ifanelekileyo kunye neyoqoqosho ye-defoamer.

★Izinto ezichaphazela ukusebenza kokusetyenziswa kwe-defoamer

1. I-dispersibility kunye ne-surface properties ye-defoamers kwisisombululo ichaphazela kakhulu ezinye iipropathi ze-defoam. I-Defoamers kufuneka ibe neqondo elifanelekileyo lokusasazwa, kwaye amasuntswana amakhulu kakhulu okanye amancinci kakhulu anokuchaphazela umsebenzi wabo wokukhupha amagwebu.

2. Ukuhambelana kwe-defoamer kwinkqubo ye-foam Xa i-surfactant ichithwa ngokupheleleyo kwisisombululo esinamanzi, ngokuqhelekileyo icwangciswe ngolwalathiso kwi-gas-liquid interface ye-foam ukuzinzisa i-foam. Xa i-surfactant i-insoluble okanye i-supersaturated state, iinqununu zichithakala kwisisombululo kwaye ziqokelele kwi-foam, kwaye i-foam yenza njenge-defoamer.

3. Ubushushu be-ambient system ye-foaming kunye neqondo lokushisa lolwelo olunegwebu lunokuchaphazela ukusebenza kwe-defoamer. Xa iqondo lobushushu lolwelo olunegwebu ngokwalo liphezulu ngokwentelekiso, kuyacetyiswa ukuba kusetyenziswe i-defoamer ekhethekileyo yokumelana nobushushu, kuba ukuba i-defoamer eqhelekileyo isetyenzisiwe, isiphumo sokwenza amagwebu ngokuqinisekileyo siya kuncitshiswa kakhulu, kwaye i-defoamer iya kuyisusa ngokuthe ngqo i-lotion.

4. Ukupakishwa, ukugcinwa, kunye nokuthuthwa kwee-defoamers zilungele ukugcinwa kwi-5-35 ℃, kwaye ubomi beshelufu ngokubanzi ziinyanga ezi-6. Ungawubeki kufutshane nomthombo wobushushu okanye uwubeke esichengeni sokukhanya kwelanga. Ngokweendlela ezisetyenziswa ngokuqhelekileyo zokugcina imichiza, qinisekisa ukutywinwa emva kokusetyenziswa ukuphepha ukuwohloka.

6.Umlinganiselo wokongezwa kwe-defoamers kwisisombululo sokuqala kunye nesisombululo esihlanjululweyo sinokuphambuka kwinqanaba elithile, kwaye umlinganiselo awulingani. Ngenxa yoxinaniso oluphantsi lwe-surfactant, i-lotion ye-defoamer ehlanjululweyo ayizinzanga kakhulu kwaye ayizukususwa kungekudala. Ukusebenza kwe-defoaming kuncinci, okungafanelanga ukugcinwa kwexesha elide. Kunconywa ukuba usebenzise ngokukhawuleza emva kokuhlanjululwa. Umyinge we-defoamer eyongeziweyo ufuna ukuqinisekiswa ngovavanyo olukwisiza ukuvavanya ukusebenza kwayo, kwaye akufanele yongezwe ngokugqithisileyo.

★Umthamo we-defoamer

Kukho iintlobo ezininzi ze-defoamers, kwaye idosi efunekayo yeentlobo ezahlukeneyo ze-defoamers iyahluka. Ngezantsi, siza kwazisa umthamo weentlobo ezintandathu zee-defoamers:

1. I-Alcohol defoamer: Xa usebenzisa i-alcohol defoamers, umthamo uphakathi kwe-0.01-0.10%.

2. I-oil based defoamers: Inani le-oyile esekelwe kwi-defoamers eyongeziweyo iphakathi kwe-0.05-2%, kwaye inani le-fatty acid ester defoamers eyongeziweyo liphakathi kwe-0.002-0.2%.

3. I-Amide defoamers: I-Amide defoamers inefuthe elingcono, kwaye inani elongezelelweyo lihlala liphakathi kwe-0.002-0.005%.

4. I-Phosphoric acid defoamer: I-Phosphoric acid defoamers isetyenziswa kakhulu kwiifibers kunye neoli yokuthambisa, kunye nenani elongezelelweyo phakathi kwe-0.025-0.25%.

5. I-Amine defoamer: I-amine defoamers isetyenziswa kakhulu kwi-fiber processing, kunye nenani elongezelelweyo le-0.02-2%.

I-7.Ether based defoamers: I-ether based defoamers isetyenziswa ngokuqhelekileyo ekushicileleni iphepha, ukudaya, kunye nokucoca, kunye nomlinganiselo oqhelekileyo we-0.025-0.25%.