Isicelo ekupheleni kwamanzi kwamaphepha

Ama-surfactants for ukulinganisa amakhemikhali asemqoka emanzi anikeza ukumelana kwamanzi ephepheni nasekhadini lekhadibhodi. Zisetshenziselwa kakhulu ukubhala, ukuphrinta, ukupakisha, nephepha lokwakha nekhadibhodi.

Izinhlobo eziphambili zama-ejenti we-sizizing anguRosin based isanguthiling agents kanye nama-ejenti wezandla abekwe zokwenziwa. Ukulungiswa kwesayizi yeRosin ehlakazekile kuyinqubo engokomzimba neyamakhemikhali, lapho i-rosin idonsa khona ukushisa futhi iba yi-rosin ewuketshezi. Kunokungezwani okukhulu kwe-interfacial phakathi kwe-rosin ketshezi namanzi, nokunciphisa lokhu kuqhubeka kokungezwani kungatholakala kuphela ngokungeza ama-surfactants. Ama-emulsifiers kanye nabasakazi be-dispersants for dispering i-rosin gum bobabili bangama-surfactants. Ukukhetha i-surving efanelekile kuyisihluthulelo sokulungiselela i-rosin gum ehlakazekile, futhi okuvame ukusetshenziswa kufaka phakathi i-anionic, i-cationic, kanye ne-zwitterionic agents. I-emulsifier esetshenziswa kakhulu eChina yi-anionic ehlakazekile i-rosin gum, futhi ama-emulsifiers ajwayele awohlobo lwe-polyoxyethylene, njengohlobo olunamafutha i-polyoxyethylenenenenenenenene ether phosphate ether phosphate ether phosphate, sodium 2-hydroxy-3- (Nonyfphenoxy I-Polyoxyethylene)) I-acrylic sulfonate, njll. Amanye ama-cationic emulsifiers afana ne-cotionic polyyacide, i-polyamide polyamide Epichurlohohydrin, futhi isitashi se-cationic asetshenziselwa ukulungiselela usayizi we-rosin ahlakazekile.

Ama-agents we-Synthetic wokuhlanza ikakhulukazi afaka i-Alkyl Ketene Dimer (AKD) kanye ne-ALKYL Suckinic Anhydride (ASA). Lezi zinhlobo ezimbili zama-ejenti asayizi azaziwa nangama-ejenti we-reactive weing ngoba aqukethe amaqembu asebenzayo angasabela ngamaqembu e-hydroxyl ahlelwe futhi aqhubeke emiculweni. Ngenxa yekhono labo lokuhlalisa izimo eziphakeme ze-PH (PH = 7.5-8.5), lolu hlobo lwe-ejenti yezandla luyathandwa embonini yamaphepha njengoba lungasebenzisa i-calcimium calbonate engabizi kakhulu njenge-filler ukuthuthukisa amandla, elimhlophe, nokusebenza kwamaphepha ephepheni. Njengamanje, ngaphezulu kwama-50% ephepheni eliphakeme emazweni athuthukile azuze okuphakathi nendawo epapermaking. I-AKD ne-ASA ziyi-infolcible emanzini, futhi i-akd lotions ezinzile ingalungiswa ngokusebenzisa i-polloxyethylenenene yohlobo olungaphakathi kwe-emulsifier.

Ngesikhathi senqubo yokuqhuma kwepulp ephethwe ngama-surfactants wokulawula kabusha ama-resin, i-resin esele izokwelula. Uma kungahlukaniswa ngesikhathi, kuzokwakha ama-deposits e-viscous anamathela kumishini, umshini wephepha we-pepper mesh, indwangu yoboya, kanye namasilinda osomile, okubangela ukuphazamiseka okujwayelekile, okuthinta nezifo ezijwayelekile. Ngaphezu kwalokho, ngokusetshenziswa okubanzi kwephepha lemfucumfucu namuhla, ama-resin asuselwa ezintweni ezifana nezinamathela, ama-ink ama-linder, kanye nokunamathelisa ephepheni imfucuza nakho kungadala izithiyo ze-resin ezithinta ama-papermang. Ngakho-ke, ucwaningo kanye nokuthuthukiswa kwama-resin barriers control agents sekubaluleke kakhulu.

Ama-Resin Barnerier Agents Agents asetshenziswayo afaka ama-inorganic (anjenge-talc powder), ama-fungicides, ama-surfactants, ama-chelactants, ama-ejenti, ama-polymers, ama-lipases, nama-membmene ahlukanise ama-lipases. Ama-surfactants asetshenziswa kakhulu asetshenziswa ama-anionic ama-surfactants, njengamanje ama-surfactants asetshenziswa kakhulu, kufaka phakathi ama-sulfate aphezulu aphezulu, kanye nama-alcohol aphezulu, ama-phosphates, njll. Ama-Sutionic Surving anosawoti noma usawoti we-amonatrium. Ama-eonic surfactants ikakhulukazi afaka i-polyethylene glycol nama-polyols. Ngaphezu kwalokho, kukhona nama-amphoteric surficactants kanye nezakhiwo ezahlukahlukene ze-multicomponut. I-ejenti yokuhlunga futhi i-ejenti yokulawula kabusha i-resin esetshenziselwa ukulawula ukunamathela phakathi kwe-dryer nephepha lephepha, gcoba i-schesive ne-dryer, futhi ulawule ukusatshalaliswa kokunamathela. Kuhlanganisa ikakhulukazi i-polymer lotion, efana ne-polyvinyl utshwala ilotho, uwoyela wamaminerali kanye nesikhulumi sokufanisa esisheshayo esifafaza i-organic silicon lotion ne-polyamine polyamide cationic polymer.

I-Surfatant yokucekela phansi

Enqubweni yokwenza amaphepha, ipulp iqukethe inani elincane lezemvelo futhi elingezelwe ngokwezezimali ezifana nezinto zobuchwepheshe nama-acid acid, kanye nezikhuthalo ze-foam ezinjenge-polymers zokwenziwa kanye nesitashi. Ngakho-ke, i-Foam izovela, okwenza izinkinga ezinjengokuphuka kwamaphepha noma izimbobo ephepheni. Izingxenye eziphambili ezisebenzayo zama-desoamers asetshenziswa ekwenzeni amaphepha zinolazo oluphezulu lwekhabhoni, ama-polyether, ama-organictuy acid ama-polymers, ngokuvamile alungiselelwe emanzini ilotho kawoyela.

Ithambile nge-papermaking

I-Softness isho amandla ama-surfactants ukwakha amaqembu e-hydrophobic ebusweni bemicu kanye ne-adderb ngokwakho ngendlela eguquguqukayo, ukunciphisa umuzwa obubushelelezi futhi obuthambile. Uviniga we-Sulfuric acid, uwoyela we-sulfonated castor, nezinye izinsimbi ze-anionic zibonisa umphumela othambisa lapho u-adderbed ebusweni bemicu.

Amaqembu we-cationic in cationic sursuactants angaxuba ngokuqondile imicu emibi, kanti amaqembu e-hydrophobic akha indawo ephansi yamandla ngaphandle kwemicu, okuholela ekuguqulekeni okuhle. Ama-acid acid epichurohohydrin asetshenziselwa ikakhulukazi iphepha ngezidingo eziphakeme zokuguquguquka, njengephepha lasendlini yangasese, iphepha lokushwabana, izinduku zokuhlanzeka, izindunduma, njll.

I-Bipolar Ionic Surfactants inezinhlobonhlobo zezicelo. Amaqembu abo we-cationic angakha isibopho esinemicu, kuyilapho amaqembu awo analiyoni angabopha ngemicu ngama-polyelectsyte noma ama-aluminium ama-ion epulp. Futhi bangadala amaqembu ama-hydrophobic ukuvumelanisa ngaphandle, ukunciphisa kakhulu amandla angaphezulu komhlaba. Izibonelo zalezi zinto ezisetshenziswayo zifaka u-1 (. 9 '' 'Aminoethyl). 2. I-ALKYL IMIDAZOLIINE CARBEBEBEBEBYLTIVES Acid Derivatives. Ngaphezu kwalokho, womabili ama-cationic ne-amphoteric surfic antibacterial ne-bactericidal, angavimbela ngempumelelo iphepha kusuka kubumba.

Ama-surfactants we-argassilicon angawama-surfactants akhethekile, kanti usatiosic organesilicon quaternary amonmonium usawoti asetshenziswa kakhulu njengethangayo. Kunezinhlobo eziningi eziningi zamathayipha, njenge-stearc acid polyoxyethylenelene ester, polyoxyethylene lanolin, emulsofied wax, njll.

Ithambile nge-papermaking

I-Softness isho amandla ama-surfactants ukwakha amaqembu e-hydrophobic ebusweni bemicu kanye ne-adderb ngokwakho ngendlela eguquguqukayo, ukunciphisa umuzwa obubushelelezi futhi obuthambile. Uviniga we-Sulfuric acid, uwoyela we-sulfonated castor, nezinye izinsimbi ze-anionic zibonisa umphumela othambisa lapho u-adderbed ebusweni bemicu.

Amaqembu we-cationic in cationic sursuactants angaxuba ngokuqondile imicu emibi, kanti amaqembu e-hydrophobic akha indawo ephansi yamandla ngaphandle kwemicu, okuholela ekuguqulekeni okuhle. Ama-acid acid epichurohohydrin asetshenziselwa ikakhulukazi iphepha ngezidingo eziphakeme zokuguquguquka, njengephepha lasendlini yangasese, iphepha lokushwabana, izinduku zokuhlanzeka, izindunduma, njll.

I-Bipolar Ionic Surfactants inezinhlobonhlobo zezicelo. Amaqembu abo we-cationic angakha isibopho esinemicu, kuyilapho amaqembu awo analiyoni angabopha ngemicu ngama-polyelectsyte noma ama-aluminium ama-ion epulp. Futhi bangadala amaqembu ama-hydrophobic ukuvumelanisa ngaphandle, ukunciphisa kakhulu amandla angaphezulu komhlaba. Izibonelo zalezi zinto ezisetshenziswayo zifaka u-1 (. 9 '' 'Aminoethyl). 2. I-ALKYL IMIDAZOLIINE CARBEBEBEBEBYLTIVES Acid Derivatives. Ngaphezu kwalokho, womabili ama-cationic ne-amphoteric surfic antibacterial ne-bactericidal, angavimbela ngempumelelo iphepha kusuka kubumba.

Ama-surfactants we-argassilicon angawama-surfactants akhethekile, kanti usatiosic organesilicon quaternary amonmonium usawoti asetshenziswa kakhulu njengethangayo.

Kunezinhlobo eziningi eziningi zamathayipha, njenge-stearc acid polyoxyethylenelene ester, polyoxyethylene lanolin, emulsofied wax, njll.

Umenzeli we-antistatic

Ekwenziweni kwephepha elikhethekile elicutshungulwe, kwesinye isikhathi izinkinga ezilwa ne-tuli zingahlangatshezwa. Kusetshenziswa ama-surfactants ukwelapha uketshezi kungakhiqiza indawo yangaphandle ye-hydrophilic. Lokho wukuthi, njengo-ejenti olwa nama-anti-static, i-survic, yakha i-adsorption enhle ebusweni bezinto zokwakha, yakha iqembu le-hydrophobic ebusweni bezinto ezibonakalayo. Amaqembu e-Hydrophilic anwebeka emkhathini, andise ukusebenza kwe-Ion kanye nokuvuselelwa komswakama kwemicu, okuholela ekunciphiseni kokuncipha kokuncipha, ngaleyo ndlela kuvinjelwe ukunqwabelanisa kukagesi okuyisitayela. Ama-surfactants asetshenziswa njengabameli be-anti-tuli banamaqembu amakhulu ama-hydrophobic namaqembu aqinile we-hydrophilic. Ama-cationic surfactants anokusetshenziswa okuphezulu kakhulu nokusebenza okuhle kakhulu, okulandelwa ama-amphoteric surfic.

I-Fibressant

Umsebenzi oyinhloko wezinto ezihlakazekile ze-fiber ukwehlisa i-fiber flocculation futhi uthuthukise ukwakha iphepha. Abasakazi be-fiber bangakha isakhiwo se-bilayer ebusweni bemicu. Ukuphela kwePolar of the aversant yangaphandle kunobumbano oluqinile ngamanzi, okwandisa izinga lokumanzisa ngamanzi nokuphinda usebenze ngogesi we-tatur ukufeza ukusakazeka. Izinto ezivame ukusetshenziswa ze-fiber ezisetshenziswayo zifaka phakathi i-polyrolyzed plyrolyzed (pam), i-polyethylene oxide (Pleo), njll. Abantu banokuvunywa okuphezulu, i-solubening enhle yamanzi, kanye ne-solubenity enhle. Ukungeza ngaphansi kuka-0.05% ephepheni lasendlini yangasese ephezulu kungafinyelela umphumela omuhle wokuhlakazeka.

Ukusetshenziswa kokugcona komhlaba kanye nokugoqa emaphephaneni

Ukulinganisa komhlaba kanye nokuhlanganisa zombili kufaka phakathi ukusebenzisa amakhemikhali ebusweni bephepha, ngokuyinhloko ukuthuthukisa izakhiwo zalo ezingaphezulu, kuthuthukise ukusebenza kwalo kokuphrinta, kanye nobuqotho obujwayelekile. Kepha kunomehluko omkhulu phakathi kwalokhu okubili, umehluko omkhulu ukuba yi-glueng engaphezulu uvame ukusebenzisa ama-adhesives kuphela, ngenkathi ukunamathela kusetshenziswa zombili izinamathiseli nemibala; I-adhesive esetshenziselwa ukunamathela komhlaba icindezelwe ephepheni, ngenkathi upeme asetshenzisiwe asetshenziswa ebusweni bephepha.

Ama-Surfactants for survace sizing

Ngokusho kwezinto ezibonakalayo, zingahlukaniswa ngemikhiqizo yemvelo futhi eguquliwe nemikhiqizo yokwenziwa; Ngokusho kwempahla ye-Ionic, kungahlukaniswa ngezinhlobo ze-anionic, ze-cationic nezona ezingezona ze-ionic; Ngokuya ngefomu lomkhiqizo, lingahlukaniswa ngohlobo lwe-aquoud solution nohlobo lwe-lotion. Ama-adhesives ajwayelekile asetshenziswayo anamaqembu ama-hydrophobic kanye nama-hydrophilic, ngakho-ke akhuluma kabanzi, bonke bangama-surficants. Ama-ejenti aphezulu we-sunging ancy afaka isitashi esiguquliwe, i-polyvinyl alcohol (PVA), i-carboxymethyl cellulose (cmc), ne-polylacrylamide (pam). Ama-ejenti ahlukahlukene wokuhlanza angaphezulu angakhethwa ngokuya ngezidingo ezihlukile. Isibonelo: ① Ukuthuthukisa ukumelana kwamanzi, i-AKD, i-rosin ehlakazekile, uphalafini, i-chromium chloride, i-anhydride copolymer, nezinye i-latex yokwenziwa ye-laten) ingasetshenziswa; Ukuthuthukisa ukumelana kawoyela, amakhompiyutha anama-organic afana nama-copolymers we-mporooroalyl acrylate, ama-phosphates we-pumpoorooctooctanoic acid chromium, njll. Kungengezwa ukukhulisa antin antin resin; ④ Thuthukisa ukusebenza kokuphrinta, ikakhulukazi usebenzisa isitashi esiguquliwe, i-CMC, i-PVA, njll ukuthuthukisa amandla owomile futhi omanzi ngokungeza isitashi esiguquliwe se-pam, njl. Ukuze uthuthukise umphumela wokulinganisa ongaphezulu, kujwayelekile ukusebenzisa ama-ejenti amabili noma ngaphezulu asayizi ndawonye, ​​futhi umphumela ubaluleke kakhulu.

Ukuvumelanisa ama-surfactants

Ukwakheka kwezimbozo zokucutshungulwa kwama coating ikakhulukazi kufaka phakathi izinamathiseli, imibala, nezinye izengezo. I-coating uqobo iyinkimbinkimbi eyinkimbinkimbi, futhi iyahlukahluka ngokuya ngezidingo zamaphepha ezithile nokwakheka kwefomula. Ama-Surfactants adlala indima ebalulekile ekwakhekeni kwamaphepha emboni, ikakhulukazi kufaka phakathi ukuhlakazeka kwama-coating, ama-deforsers, ama-lubrantiers, ama-ejenti alwa ne-latex zokwenziwa, kanye ne-anti-latex.

I-Coating Dispsant: Yisengezo esibaluleke kunazo zonke ekuhlotsheni, iningi lazo elingama-surfactants. Ukusebenza kwayo kuwukuphela kwezinhlayiya ze-pigment ngamacala, kubenze bakhiqize amabutho axakayo omunye komunye; Ukumboza ingaphezulu kwezinhlayiya ze-pigment, isebenza njenge-colloid evikelayo; ③ Yakha isimo esiphakeme se-viscosity ezungeze izinhlayiya ukuvikela izinhlayiya eziningi kusuka ku-aggregating. Abasakazi bokuqala abasetshenzisiwe bekungama-phosphase, ama-polysicicates, ama-hymogen hydrogen phosphate, umkhiqizo we-desezenulfonic acid kanye ne-fortendehyde, njy. Ekuhlolweni kokuqukethwe okuqinile okuphezulu, ama-molecular aving arganic dispersants afana ne-sodium polyacrylate solution, i-sodium polymethacrylate kanye ne-alylyphenol polyoxyethylene ether kanye ne-polyoxyethyenetenenelene ether evame ukusetshenziswa.

I-DeCoamer: I-Foam ivame ukukhiqizwa kwinqubo yokulungiselela ukunamathela nokuhlanganisa, futhi i-defouamer idinga ukungezwa. Kune-alcohols ephezulu kakhulu, ama-fatty acid esters, i-tributyl phosphate, i-tritupyly phosphate, njll.

Ukugcotshwa: Ukuze uthuthukise uketshezi kanye nokugcotshwa kwamaphepha okugcoba kwamaphepha, ukuthuthukisa ukumbozwa, ukunika amaphepha amboni elibushelelezi kanye ne-luster, ukukhulisa ukuphrinta kwephepha elihlanganisiwe, kungangezwa ukuphrinta kwephepha elihlanganisiwe, kungangezwa ukuphrinta kwephepha elihlanganisiwe. Izithako ezisetshenziswa kakhulu njengamanje zingama-surffices wensimbi ancibilikisiwe amelwe ama-calcium stearate, kanye ne-sodium stearate amanzi-soluble aflouble nawo anomphumela obalulekile. I-Paraffin Hydrocarbons namafutha asindo andines nayo ingasetshenziswa njengezithako zokugcoba.

Izindawo Zokulondolozwa: Ezinye izinamathela emvelo zithambekele ekukhuleni nasekukhuleni kokubumba, ngakho-ke ama-anti-torosion angezwa embonweni wamaphepha. I-Quaternary Ammonium Coutionic Surficic Surciic, ama-cycliic ahlanganisiwe, i-arganic bromine kanye nama-sulfur compounds, n - (2-benzimidazolyl) carbamate (carbendazim), njll. Isetshenziswe kabanzi embonweni wamaphepha.

Umenzeli we-Antistatic: Ngokungeza i-Octadecyltrimethylammonium

Ukuze kwenziwe i-latex: zokwenziwa i-latex yokwenziwa ingukuhlobisa okubalulekile okunama-coang. Ezinhlelweni zokulungiselela ze-latex zokwenziwa, ama-surfactants adlala indima ebalulekile njenge-emulsifiers, ama-dispersants, abaqinisi, njll.
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