Surfactants: general bayanai

Surfactants - a fili cewa shafar surface tashin hankali. A lokacin da hulda da ruwa kwayoyin therebetween suna kafa gogayya. Wannan karfi zai zama daban-daban a cikin farfajiya da ciki (mai zurfi) yadudduka. La'akari da jihar na ruwa, shi ne mai sauki kafa cewa barbashi, wanda ake directed a cikin tsarin, daga daban-daban bangarorin kewaye da wannan kwayoyin da shafi su. A resultant dukkan sojojin cewa aiki a kan kwayoyin ne sifili. Saboda haka, da ruwa yana cikin mafi ƙasƙanci surface ga wani ba girma. Wannan a fili bayyana a cikin nau'i na mai siffar zobe saukad. A gaban impurities na daban-daban mahadi a cikin ruwaye Yanã shigar da surface tashin hankali.

A tsarin da surfactant kwayoyin

m acid da kuma alcohols barbashi kunshi sassa biyu wanda da daban-daban Properties, duk da haka, wadannan mahadi sukan kira diphilic Tsarin. Wani sashi na kwayoyin da aka wakilta wani hydrocarbon sarkar, da kuma sauran - daban-daban aikin kungiyoyin (amino, hydroxyl, carboxyl, sulfo). A daina da hydrocarbon sarkar, da girma za a bayyana hydrophobic Properties na barbashi, za su amsa da ruwa weaker.

Surface-aiki mahadi (surfactants) kwayoyin asalin: bile acid, sunadarai, soaps, alcohols, ketones, aldehydes, tannins, ketones, da dai sauransu Surface-m abubuwa ba su shafi da surface tashin hankali (sitaci, glucose, fructose).

Nonionic surfactants (nonionic surfactant) - biosoedineniya high kwayoyin nauyi, ruwa a cikinsa ions ba nunawa. A kududdufai wadannan abubuwa aiki tare da masana'antu (sinadaran, yadi, mai samar da), m, iyali (ta amfani da dama roba ƙuna a gida) sinks, kazalika da najasa tõzarta daga aikin noma (herbicides, fungicides, kwari, da kuma ma Tomes a kamar yadda emulsifiers).

Surfactants sami da yawa amfani a cikin tattalin arzikin kasar. A noma, suna amfani da shiri na emulsions, wettable powders, kazalika a yi shuka kariya daga kwari. Nazari da amfani da surfactants don rage evaporation daga ƙasa surface. Idan ruwa da aka cakuda da yashi da irin wannan abun da ke ciki, ultrathin film kafa a kan bãyan tẽkun wanda ya hana da danshin da danshi, amma a lokaci guda shi daidai breathable da kuma hazo. Idan aiwatar da 'ya'yan itatuwa da kayan lambu surfactant bayani, sun yi dogon riƙe juiciness kuma kada ɗanɗanonta ya gushe. A lokacin da ƙara surfactant ga feed karuwa nauyi riba dabbobi da tsuntsaye da kimanin 20% idan aka kwatanta da iko dabbobi.

Surfactants: Cutar da kuma amfanin da

A surface tashin hankali ne na mai da muhimmanci ga tafiyar matakai na sha da na gina jiki a cikin Gut. Alal misali, fats da lipids a cikin narkewa kamar fili zo a cikin nau'i na droplets. Recent emulsified a cikin kananan hanji da bile acid. Kawai sai wadannan fats aka hydrolyzed da lipolytic enzymes. Sau da yawa sosai, don inganta yadda ya dace da magani kara sabulu (surfactants). Jan kwari damar mafi hulɗa tare da kwari jiki surface. Duk da haka, da surfactants da ba kawai m amma kuma illar a jiki. Alal misali, a cikin shamfu abun da ke ciki ne sosai cutarwa foaming jamiái (surfactants), kamar sodium da kuma ammonium lauryl sulfate, ammonium kuma sodium laureth sulfate. An yi imani da cewa wadannan aka gyara da carcinogenic tasiri.