Kuteteza kwazinthu zopangira ma surfactantsNdi chuma chawo chachikulu chokhala ndi ntchito zambiri zothandiza. Chimagwirizana kwambiri ndi miyoyo ya tsiku ndi tsiku ya mabanja ambiri ndipo chikugwiritsidwanso ntchito kwambiri m'magawo onse a moyo ndi mafakitale osiyanasiyana.
Ma surfactants ndi zinthu zofunika kwambiri mu sopo; sopo wopangidwa sukanakhalapo popanda ma surfactants. Pakati pa magulu onse a ma surfactants (SAA), ma surfactants a anionic anali oyamba kugwiritsidwa ntchito ndi anthu ndipo akadali mtundu wogwiritsidwa ntchito kwambiri, pakadali pano akuwerengera zoposa 50% ya zosowa zonse pamsika.
I. Ma Surfactants a Anionic
Mitundu ikuluikulu ya ma surfactants anionic omwe amagwiritsidwa ntchito mu sopo ndi monga mafuta acid salt (sopo), alkylbenzene sulfonates (ABS), fatty alcohol sulfates (AS), fatty alcohol polyoxyethylene ether sulfates (AES),α-olefin sulfonates (AOS), fatty alcohol polyoxyethylene ether carboxylates (AEC), ndi fatty acid methyl ester sulfonates (MES).
1. Sopo
Gawo la sopo lomwe limagwira ntchito pamwamba pake limakhala ndi mphamvu yoipa, ndipo mchere wa sodium ndi potaziyamu wa ma asidi amafuta a unyolo wautali ndi pafupifupi 25%. Sopo wogwiritsidwa ntchito kwambiri uyu ali ndi ubwino wa zinthu zopangira zambiri, kukonzekera kosavuta komanso mtengo wotsika. M'mafakitale, nthawi zambiri amapangidwa posakaniza mafuta monga ng'ombe ndi mafuta a nkhosa ndi alkalis amphamvu, kutsatiridwa ndi kusakaniza ndi glycerol kuti asiyanitse. Vuto lake lalikulu ndilakuti akakumana ndi ma ayoni achitsulo a divalent ndi trivalent kuphatikiza Ca.2+, Mg2+ ndi Fe2+ Mu madzi, amapanga sopo ya calcium yosasungunuka bwino kapena sopo ya magnesium, zomwe zimachotsa kusungunuka kwa sopo.
2. Alkylbenzene Sulfonates (ABS)
Sodium alkylbenzene sulfonate (RC)6H6-SONa) ndi chinthu chofunikira kwambiri cha anionic surfactant. Chimasungunuka bwino m'madzi komanso chimathandiza kwambiri kuti chikhale ndi ionization. Mchere wake wa calcium ndi magnesium umasungunuka kwambiri m'madzi, zomwe zimapangitsa kuti chikhale cholimba kwambiri. Pakati pa alkylbenzene sulfonates, linear alkylbenzene sulfonate (LAS) imadziwika ndi mtengo wake wotsika, mphamvu yoyeretsera, kusinthasintha kwa biodegradable komanso kusamala chilengedwe. Mpaka pano, palibe chinthu china chilichonse chomwe chimagwiritsidwa ntchito ngati sopo chomwe chingafanane ndi LAS pakugwira ntchito kwaukadaulo komanso phindu lazachuma, zomwe zimapangitsa kuti ikhale msana wamakampani opanga zotsukira zopangidwa padziko lonse lapansi. Chimagwiritsidwa ntchito kwambiri mu zotsukira zamakampani ndi zapakhomo. Zinthu zina zimaphatikizapo sodium dodecyl benzene sulfonate yokhala ndi ntchito yabwino kwambiri yotsuka, ndi sodium octadecyl benzene sulfonate, yomwe imapereka chotsukira champhamvu kwambiri mu mndandanda wa sodium alkylbenzene sulfonate.
3. α-Olefin Sulfonates (AOS)
AOS ndi mankhwala oyeretsera omwe amagwira ntchito bwino kwambiri, omwe amagwiritsidwa ntchito kwambiri mu zotsukira m'manja, shampu, malo osambiramo thovu, sopo wotsukira mbale, zotsukira m'mafakitale, ndi ufa wochapira zovala.
4. Mafuta a Acid Methyl Ester Sulfonates (MES)
Mu kapangidwe kake ka molekyulu, R imatanthauza magulu a alkyl ndipo R' imayimira magulu a methyl. Pa detergent, unyolo wa alkyl wa C16 ndi C18 ndi wabwino kwambiri, pomwe unyolo wa alkyl wa C14 umapereka kukana bwino madzi olimba. Yochokera ku mafuta ndi mafuta achilengedwe, MES ndi surfactant yokhala ndi mphamvu yodabwitsa yotsuka komanso mphamvu yamphamvu yotulutsa sopo wa calcium. Imagwirizana bwino ndi zeolites, zomwe zimapangitsa kuti ikhale yoyenera kupanga ufa wotsuka wopanda phosphate. Mphamvu yake yotulutsa sopo wa calcium imaposa kwambiri ya LAS, zomwe zimathandiza kupanga ndi kugwiritsa ntchito sopo wophatikizika ndi ufa wotsuka wopangidwa ndi sopo.
5. Mafuta Okhala ndi Alcohol Sulfates (AS) ndi Mafuta Okhala ndi Ether Sulfates (AES)
AS ikutsatira njira yonse ya ROSO₃Na; unyolo wokhala ndi R = C14~C16 umapereka detergent yabwino. AES ili ndi fomula yonse RO(C2H4O)nSO₃Na, ndi R = C14~C15 ndipo n = 1–2 zomwe zimapangitsa kuti kusamba kukhale koyenera kwambiri. AS ndi AES zonse ziwiri zimakhala ndi mphamvu yotha kuwononga zinthu, kuyeretsa bwino zinthu komanso kutha kutulutsa thovu kwambiri, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsa ntchito sopo wofewa wokhala ndi thovu lambiri. Zimagwiritsidwa ntchito pa sopo wofewa wosamalira bwino kapena wa ubweya, ndipo zimagwiritsidwa ntchito kwambiri m'malo osambira osambira, ma shampu a tsitsi, zodzoladzola, zakumwa zotsukira mbale m'manja, zotsukira masamba ndi zotsukira zapakhomo.
II.Mankhwala Osagwiritsa Ntchito Ma Surfactants
Ma surfactants a Nonionic ali ndi mphamvu yabwino kwambiri yoteteza dothi lamafuta komanso mphamvu yolimbana ndi kusinthika kwa ulusi wopangidwa. Amakhalanso ndi mphamvu yolimbana ndi madzi olimba komanso ma electrolyte okhala ndi mphamvu zambiri. Ubwino waukulu wa ma surfactants a polyoxyethylene nonionic uli mu kapangidwe kosinthika ka magawo awo oteteza ku hydrophobic ndi hydrophilic. Mwa kusintha kuchuluka kwa mayunitsi a ethylene oxide (EO), amatha kupangidwira magawo osiyanasiyana kuti apereke njira yabwino kwambiri yotetezera.
1. Ma Ether a Polyoxyethylene Alkyl Alcohol
Fomula yonse: RO(C2H4O)nH, pomwe R imayimira magulu a alkyl kuyambira C12 mpaka C18 ndipo n ndi yosinthika. Mankhwalawa ali ndi ntchito yabwino kwambiri yotsuka yomwe ikuwonetsedwa m'mbali izi: kuchuluka kochepa kwa micelle (cmc), komwe kumathandiza kuti madzi asamawonongeke ngakhale atakhala otsika kwambiri, mphamvu yoyeretsa yamphamvu, komanso mphamvu zotsutsana ndi dothi potsuka ulusi wopangidwa. Kuphatikiza apo, amapereka ntchito yabwino yotsuka pa kutentha kochepa. Amaoneka ngati phala loyera mpaka lachikasu lopepuka pa kutentha kozungulira, amasungunuka m'madzi, ndipo amapereka mphamvu zosungunula, kuyeretsa ndi kunyowetsa. Amagwiritsidwa ntchito kwambiri mu sopo wapakhomo, zotsukira zamafakitale ndi zotsukira zitsulo.
2. Ma Ether a Polyoxyethylene Alkylphenol
Mu njira yawo ya molekyulu, R makamaka imatanthauza magulu a octyl, nonyl ndi dodecyl, omwe ali ndi mtengo wosinthika wa n. Amasiyanitsidwa ndi mphamvu yodabwitsa yochotsera mafuta ndi mafuta. Zogulitsa zodziwika bwino zimaphatikizapo mndandanda wa OP, mndandanda wa OPE ndi mndandanda wa SOPE. Amakhala ndi mphamvu yolimba ya asidi ndi alkali komanso kupirira madzi olimba, ndi ntchito zophatikizana zoyeretsera, kunyowetsa ndi kusakaniza kwa madzi opangira zitsulo ndi zotsukira zamafakitale.
3.Alkyl Polyglucosides(APG)
Ma Alkyl polyglucosides amadziwika kuti ndi mbadwo watsopano wa ma surfactants osakhala a ionic apamwamba padziko lonse lapansi.
Ubwino wa APG:
Kuchita zinthu zambiri pa nkhope komanso kupsinjika kwapansi kwambiri;
Palibe malo amtambo komanso magwiridwe antchito okhazikika kutentha kwambiri;
Kuyeretsa bwino kwambiri, mphamvu zambiri zotulutsa thovu, mphamvu yabwino kwambiri yonyowetsa/kusakaniza ndi madzi komanso kukhazikika kwa kufalikira;
Sichimayambitsa poizoni, khungu silikwiya bwino komanso silitha kuwonongeka bwino poyerekeza ndi mitundu yonse ya mankhwala opangira zinthu (mphamvu ndi makhalidwe ake).
Chifukwa cha zabwino zomwe zili pamwambapa, APG yatchuka kwambiri m'magawo osiyanasiyana kuphatikizapo kupanga sopo, zodzoladzola, kukonza chakudya ndi kupanga mankhwala. Kuphatikiza apo, mphamvu zake zotsuka mosavuta komanso zopanda mikwingwirima zimapangitsa kuti ikhale yoyenera kwambiri pamadzi otsukira mbale ndi zotsukira mabotolo.
Zitsanzo zazikulu za momwe APG imagwiritsidwira ntchito mu mankhwala oyeretsera ndi izi:
Zotsukira tsitsi ndi bafa: Zotsukira tsitsi zochokera ku APG ndi zofewa komanso zosakwiyitsa khungu, zimapanga thovu labwino komanso losalala komanso zimakhala ndi mphamvu zotsutsana ndi kutentha thupi mukatsuka tsitsi. Zotsukira tsitsi zimakhala zamadzimadzi ndipo zimatha kukonzedwanso kukhala sopo.
Madzi otsukira mbale: Madzi otsukira mbale okhala ndi APG amapereka mphamvu yokhazikika yotulutsa thovu, khungu lofewa, manja osalala mukatha kugwiritsa ntchito, kutsuka mosavuta komanso palibe zizindikiro zotsalira.
Zotsukira zovala: APG imapereka mankhwala abwino kwambiri otsukira zovala, oyenera kutsuka mitundu yonse ya nsalu monga thonje, ubweya ndi polyester. Imachotsa bwino matope ndi madontho a mafuta komanso imapatsa nsalu kufewa, anti-static komanso anti-shrink properties. Itha kupangidwanso kukhala sopo wotsukira zovala zomwe zimasunga mphamvu yoyeretsa m'madzi olimba.
Zotsukira zolimba: Kupatula kutsuka mbale, APG ikhoza kupangidwa kuti isungire malo ena olimba. Monga chogwiritsira ntchito, imatha kusakanizidwa kukhala sopo wa malo okhala ndi asidi wambiri, komwe imaletsanso kuwonongeka kwa okosijeni ndi asidi wa zitsulo zachitsulo.
III.Mankhwala Opangira Ma Surfactants a Amphoteric
Kapangidwe ka mamolekyu awo kamakhala ndi mphamvu zamagetsi zabwino komanso zoyipa. Chifukwa cha kapangidwe kake kapadera, amasonyeza makhalidwe otsatirawa ogwiritsidwa ntchito: poizoni wochepa, kuyabwa pang'ono pakhungu ndi maso, kuwonongeka kwabwino kwachilengedwe komanso kugwirizana ndi zinthu zina zosungunulira, komanso kunyowetsa bwino, kuyeretsa ndi kuchita bwino kwa thovu. Mitundu ikuluikulu yomwe imagwiritsidwa ntchito mu sopo imagawidwa motere:
1. Zopangira N-Acyl Amino Acid
Amagwiritsidwa ntchito ngati zinthu zofunika kwambiri zopangira shampu ndi zotsukira, zomwe zimalimbana ndi asidi ofooka ndi madzi olimba. Zitsanzo zina ndi monga N-acyl oligopeptide carboxylates ndi Remipol A (613 detergent, sodium oleoyl peptide carboxylate).
Remipol A imapangidwa kudzera mu condensation reaction pakati pa fatty acid chloride ndi oligopeptides zomwe zimachokera ku protein hydrolysis. Imakhala ndi kuyabwa kochepa komanso poizoni wochepa, zomwe zimapangitsa kuti igwiritsidwe ntchito mu zodzoladzola. Imakhala ndi mphamvu yamphamvu yofalitsira sopo wa laimu, detergent komanso emulsifying. Mu makampani opanga nsalu, imagwira ntchito ngati sopo wothira ndi emulsifier; mphamvu yake yofooka yochotsera mafuta imapangitsa kuti ikhale yoyenera kutsuka nsalu za silika ndi ubweya.
2. Mankhwala Opangira Ma Surfactants a Mtundu wa Betaine
Ma surfactants a Betaine amphoteric amapereka detergent yabwino kwambiri pa nsalu za thonje ndi nsalu zosakanikirana ndi polyester/thonje, ndipo hydroxy sulfobetaines imasonyeza ubwino waukulu pakutsuka zovala.
Mwachitsanzo, dodecyldimethyl betaine imapezeka ngati madzi owonekera opanda mtundu kapena achikasu otumbululuka, imagwira ntchito ngati cationic mu acidic media ndi anionic mu alkaline media, ndipo imatha kuwola mosavuta. Imakhala ndi thovu labwino kwambiri ndipo imafewetsa tsitsi, zomwe zimapangitsa kuti ikhale chinthu chofunikira kwambiri chopangira ma shampu ofatsa komanso zinthu zosamalira tsitsi la ana. Chifukwa cha kukana kwake madzi olimba, imagwiritsidwa ntchito popanga sopo wothira madzi olimba, komanso imagwiranso ntchito ngati mankhwala ophera mabakiteriya.
Nthawi yotumizira: Julayi-02-2026