{"id":50,"date":"2025-04-16T09:40:31","date_gmt":"2025-04-16T09:40:31","guid":{"rendered":"http:\/\/defoamingagent.net\/?p=50"},"modified":"2025-04-22T10:04:23","modified_gmt":"2025-04-22T10:04:23","slug":"hvernig-a-ad-bua-til-froduhemjandi-efni","status":"publish","type":"post","link":"https:\/\/defoamingagent.net\/is\/how-to-make-defoaming-agent\/","title":{"rendered":"Hvernig \u00e1 a\u00f0 b\u00faa til fro\u00f0uhemjandi efni"},"content":{"rendered":"<h1>Hvernig \u00e1 a\u00f0 b\u00faa til fro\u00f0uhemjandi efni<\/h1>\n<p>S\u00f3pamyndun \u00ed h\u00fa\u00f0unarl\u00f6gum getur valdi\u00f0 yfirbor\u00f0sg\u00f6llum, svo sem fiskiaugum, kraterum e\u00f0a n\u00e1larg\u00f6tum. Til a\u00f0 koma \u00ed veg fyrir a\u00f0 \u00feetta gerist aftur nota form\u00faluger\u00f0armenn antifoam- og defoamer-b\u00e6tiefni \u2013 en val og mat \u00feeirra krefst dj\u00faprar \u00feekkingar \u00e1 verkunarh\u00e1ttum \u00feeirra \u00ed mismunandi h\u00fa\u00f0unarkerfum.<\/p>\n<p>\u00c1rangursr\u00edkt b\u00f3luey\u00f0andi efni ver\u00f0ur a\u00f0 vera uppleyst \u00ed b\u00f3luefni, komast flj\u00f3tt inn \u00ed b\u00f3lulagfl\u00f6gur og dreifast hratt eftir loft-v\u00f6kva vi\u00f0m\u00f3ti.<\/p>\n<h2>P\u00f3l\u00edd\u00edmet\u00fdlsiloxan (PDMS)<\/h2>\n<p>PDMS er hagkv\u00e6mt, l\u00edfssamr\u00fdmanlegt efni me\u00f0 fj\u00f6lm\u00f6rgum notkunarm\u00f6guleikum \u00ed \u00f6rfl\u00e6\u00f0isfr\u00e6\u00f0i. \u00dea\u00f0 m\u00e1 festa \u00fea\u00f0 \u00e1 p\u00f3l\u00fdmera, gler- og m\u00e1lmhluti til a\u00f0 mynda innbygg\u00f0 t\u00e6ki; nota \u00fea\u00f0 sem raf\u00f3sm\u00f3t\u00edskt d\u00e6lumembran og jafnvel mynsturgera \u00f6rfl\u00e6\u00f0isr\u00e1sir me\u00f0 lj\u00f3sn\u00e6mi.<\/p>\n<p>Til a\u00f0 breg\u00f0ast vi\u00f0 \u00feessu er h\u00e6gt a\u00f0 oxa PDMS me\u00f0 s\u00farefnisplasma, sem opnar h\u00fddrox\u00fdlh\u00f3pa \u00e1 yfirbor\u00f0i \u00feess sem breg\u00f0ast vi\u00f0 gufum silylkkl\u00f3r\u00ed\u00f0s til a\u00f0 mynda enda h\u00f3pa sem b\u00f3lguey\u00f0andi efni geta brug\u00f0ist vi\u00f0. \u00cd kj\u00f6lfari\u00f0 s\u00fdna b\u00f3lguey\u00f0andi efni sem breg\u00f0ast vi\u00f0 \u00feessu yfirbor\u00f0i minni fro\u00f0umyndun og minni hindranir en hef\u00f0bundin s\u00edlikon b\u00f3lguey\u00f0andi aukaefni, auk \u00feess eru \u00feau eiturefnalaus, au\u00f0veld \u00ed dreifingu og varmast\u00f6\u00f0ug mi\u00f0a\u00f0 vi\u00f0 s\u00edlikon samheilda s\u00edna.<\/p>\n<h2>S\u00edlik\u00f3nol\u00edur<\/h2>\n<p>Silik\u00f3nol\u00edur byggja affro\u00f0unarverkun s\u00edna \u00e1 \u00fe\u00e9ttleikamuninum milli augnv\u00f6kva og silik\u00f3nol\u00edu; \u00fear sem augnv\u00f6kvinn er \u00fe\u00e9ttari s\u00f6kkur hann inn \u00ed glerholr\u00fam, en \u00fear sem silik\u00f3nol\u00edan er \u00fe\u00e9ttari fl\u00fdtir h\u00fan fyrir floti, sem skapar svokalla\u00f0a uppdrifskraft sem lyftir henni upp.<\/p>\n<p>L\u00e6kningaleg s\u00edlik\u00f3nol\u00edur geta veri\u00f0 \u00e1hrifar\u00edkar b\u00f3luey\u00f0andi efnar vegna \u00feess a\u00f0 \u00fe\u00e6r eru l\u00e9ttari en vatn og breyta yfirbor\u00f0sspennu sem veldur \u00fev\u00ed a\u00f0 b\u00f3lub\u00f3lur springa. Ennfremur eru \u00fe\u00e6r eiturefnalausar og au\u00f0velt er a\u00f0 leysa \u00fe\u00e6r \u00ed vatnslausnum.<\/p>\n<p>Silik\u00f3nbundin b\u00f3luey\u00f0andi efni krefjast mikilla styrks silik\u00f3na sem geta veri\u00f0 eiturefni og ska\u00f0leg heilsu manna, en jurtaol\u00edur eins og jojoba-ol\u00eda hafa svipa\u00f0a b\u00f3luey\u00f0andi eiginleika en me\u00f0 mun l\u00e6gri skilvirkni; auk \u00feess gerir l\u00e1gur vatnsmagn dreifingu erfi\u00f0ari en b\u00faist var vi\u00f0.<\/p>\n<h2>Mineralol\u00edur<\/h2>\n<p>Mineralol\u00edur eru litlausar, lyktarlausar bl\u00f6ndur af h\u00e6rri alkanum sem eru unnar \u00far steinefnauppsprettum sem hli\u00f0arafur\u00f0 vi\u00f0 vinnslu hr\u00e1ol\u00edu \u00ed jar\u00f0efnaeldsneytiv\u00f6rur. S\u00f6gulega voru \u00feau einnig k\u00f6llu\u00f0 hv\u00edtt e\u00f0a paraff\u00ednol\u00eda vegna \u00f3\u00e1kve\u00f0ni \u00ed heitinu, sem endurspegla\u00f0i a\u00f0 kaupmenn \u00feurftu oft ekki n\u00e9 vildu vita n\u00e1kv\u00e6mlega samsetningu hverrar steinefnaol\u00edu sem seld var e\u00f0a notu\u00f0 sem verslunarvara (Merriam-Webster tilgreinir fyrstu notkun \u201cmineral oil\u201d \u00e1ri\u00f0 1771!).<\/p>\n<p>Mineralol\u00eda m\u00e1 enn frekar hreinsa fyrir i\u00f0na\u00f0arnotkun til a\u00f0 fjarl\u00e6gja b\u00e6tiefni sem g\u00e6tu hugsanlega veri\u00f0 ska\u00f0leg mannsl\u00edkamanum, og framlei\u00f0a hreinsa\u00f0a mineral-smurol\u00edu sem hentar matv\u00e6lum og lyfjum sem kunna a\u00f0 koma \u00ed snertingu vi\u00f0 mat, \u00fear me\u00f0 tali\u00f0 hugsanleg \u00f3vart snerting vi\u00f0 mat.<\/p>\n<p>Mineralol\u00edur sem eru matv\u00e6laflokks eru almennt brag\u00f0- og lyktarlausar, vatnsleysanlegar ol\u00edur sem veita fram\u00farskarandi t\u00e6ringarv\u00f6rn og gera \u00fe\u00e6r \u00f6ruggar \u00ed beinu snertingu vi\u00f0 h\u00fa\u00f0. Enn fremur hj\u00e1lpa \u00fe\u00e6r til vi\u00f0 a\u00f0 koma \u00ed veg fyrir \u00feurrk me\u00f0 \u00fev\u00ed a\u00f0 mynda verndandi himnu sem dregur \u00far vatnstapi gegnum h\u00fa\u00f0ina.<\/p>\n<h2>Vatnsleysanlegt b\u00f3luey\u00f0andi efni<\/h2>\n<p>Vatnsleysanlegur b\u00f3lgutryggjandi v\u00f6kvi b\u00fd\u00f0ur upp \u00e1 fram\u00farskarandi b\u00f3lgutryggjandi eiginleika og er framleiddur me\u00f0 \u00fev\u00ed a\u00f0 blanda s\u00edlik\u00f3nsambandi sem hefur veri\u00f0 breytt me\u00f0 p\u00f3l\u00fdeterefni vi\u00f0 l\u00e1galk\u00f3h\u00f3la, yfirbor\u00f0svirk efni og k\u00edsil. \u00cd samanbur\u00f0i vi\u00f0 hef\u00f0bundin steinefnaol\u00edur b\u00fd\u00f0ur \u00feessi b\u00f3lgutryggjandi v\u00f6kvi upp \u00e1 kosti fyrirframdreifingar og krefst minni orku vi\u00f0 innlei\u00f0ingu \u00ed h\u00fa\u00f0unarkerfi.<\/p>\n<p>Ofurfjarl\u00e6gjandi efni virka me\u00f0 \u00fev\u00ed a\u00f0 vera \u00f3leysanleg \u00ed fro\u00f0umyndandi mi\u00f0li og koma \u00ed veg fyrir n\u00e1i\u00f0 samband milli sameinda \u00e1 yfirbor\u00f0i filmu, sem hindrar yfirbor\u00f0svirka efni sem stu\u00f0la a\u00f0 st\u00f6\u00f0ugleika fro\u00f0u \u00ed a\u00f0 endurheimta sveigjanleika filmu me\u00f0 Marangoni-\u00e1hrifum og \u00fear me\u00f0 koma \u00ed veg fyrir fro\u00f0umyndun. Enn fremur stu\u00f0la ofurfjarl\u00e6gjandi efni a\u00f0 fr\u00e1rennsli v\u00f6kvafilms \u00far fro\u00f0u\u00fer\u00e6\u00f0um svo \u00feeir springi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64\" src=\"http:\/\/defoamingagent.net\/wp-content\/uploads\/2025\/04\/defoaming-agent-1.jpg\" alt=\"loftb\u00f3luey\u00f0i\" width=\"1062\" height=\"818\" srcset=\"https:\/\/defoamingagent.net\/wp-content\/uploads\/2025\/04\/defoaming-agent-1.jpg 1062w, https:\/\/defoamingagent.net\/wp-content\/uploads\/2025\/04\/defoaming-agent-1-300x231.jpg 300w, https:\/\/defoamingagent.net\/wp-content\/uploads\/2025\/04\/defoaming-agent-1-1024x789.jpg 1024w, https:\/\/defoamingagent.net\/wp-content\/uploads\/2025\/04\/defoaming-agent-1-768x592.jpg 768w\" sizes=\"auto, (max-width: 1062px) 100vw, 1062px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>How to Make Defoaming Agent Foam formation in coating films can cause surface defects such as fisheyes, craters or pinholes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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