{"id":5937,"date":"2023-02-17T07:40:33","date_gmt":"2023-02-17T07:40:33","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5937"},"modified":"2026-04-28T10:42:15","modified_gmt":"2026-04-28T10:42:15","slug":"defoamer-in-water-based-inks","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/defoamer-in-water-based-inks\/","title":{"rendered":"Su bazl\u0131 m\u00fcrekkepler kabarmaya e\u011filimlidir, su bazl\u0131 m\u00fcrekkeplerdeki k\u00f6p\u00fck kesici"},"content":{"rendered":"
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Su bazl\u0131 m\u00fcrekkepler kabarmaya e\u011filimlidir, su bazl\u0131 m\u00fcrekkeplerdeki k\u00f6p\u00fck kesici<\/strong><\/h1>\n

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H\u0131zl\u0131 cevap:<\/strong> Pratik bir katk\u0131 maddesi karar\u0131, \u00f6ncelikle sorunun tam olarak ne oldu\u011funa odaklanarak verilir: k\u00f6p\u00fcklenme, zay\u0131f \u0131slatma, \u00e7ukurlar, bulan\u0131kl\u0131k veya karars\u0131zl\u0131k. En iyi \u00fcr\u00fcn genellikle bu sorunu en g\u00fcvenli uyumluluk aral\u0131\u011f\u0131yla \u00e7\u00f6zen \u00fcr\u00fcnd\u00fcr.<\/p>\n

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Su bazl\u0131 m\u00fcrekkepte kabarc\u0131k olu\u015fumunu kontrol alt\u0131na almak i\u00e7in pratik bir ba\u015flang\u0131\u00e7 noktas\u0131, kar\u015f\u0131la\u015ft\u0131rma yapmakt\u0131r. CHLUMIAF 094 K\u00f6p\u00fck Kesici<\/a> ile CHLUMIAF 3062 K\u00f6p\u00fck Kesici<\/a> K\u00f6p\u00fc\u011f\u00fcn da\u011f\u0131lma h\u0131z\u0131 ve uzun vadeli stabilitesine dayanmaktad\u0131r.<\/p>\n

Su bazl\u0131 m\u00fcrekkep, su veya etanol ile seyreltilebilir, musluk suyu ile durulanabilir, ancak kuruduktan sonra alt tabakaya bas\u0131labilir, ancak suya dayan\u0131kl\u0131 bir film tabakas\u0131 olu\u015fturabilir. Su bazl\u0131 m\u00fcrekkeplerin en b\u00fcy\u00fck avantaj\u0131, zararl\u0131 solventlerin insanlar \u00fczerindeki zararl\u0131 etkilerini ve ambalaj \u00fcr\u00fcnlerinin kirlili\u011fini etkili bir \u015fekilde azaltabilen, \u00f6zellikle g\u0131da, i\u00e7ecek, ila\u00e7, sigara ve s\u0131k\u0131 hijyen gereksinimleri olan di\u011fer \u00fcr\u00fcnlerin ambalaj bask\u0131s\u0131 i\u00e7in uygun olan atmosfere VOC (U\u00e7ucu Organik Bile\u015fikler) emisyonlar\u0131n\u0131n belirgin bir \u015fekilde azalt\u0131lmas\u0131d\u0131r. Bununla birlikte, bile\u015fenlerinin do\u011fas\u0131 gere\u011fi, su bazl\u0131 m\u00fcrekkeplerin ay\u0131rt edici bir \u00f6zelli\u011fi vard\u0131r - k\u00f6p\u00fcrmeye e\u011filimlidirler. K\u00f6p\u00fcklenme, bask\u0131 s\u00fcrecinin sorunsuz \u00e7al\u0131\u015fmas\u0131n\u0131 ve bas\u0131lan \u00fcr\u00fcn\u00fcn kalitesini etkiler.<\/p>\n

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K\u00f6p\u00fck, s\u0131v\u0131 i\u00e7inde da\u011f\u0131lm\u0131\u015f gaz\u0131n dispersiyon sistemine aittir. K\u00f6p\u00fck, s\u0131v\u0131 bir filmle \u00e7evrili bir gaz k\u00fctlesinin olu\u015fmas\u0131d\u0131r ve k\u00f6p\u00fck imha s\u00fcreci, i\u015flemin kopmas\u0131na kadar gaz\u0131 s\u0131v\u0131 filmden kal\u0131ndan inceye do\u011fru ay\u0131rmakt\u0131r, k\u00f6p\u00fc\u011f\u00fcn stabilitesini etkileyen fakt\u00f6rler, esas olarak s\u0131v\u0131 filmin incelme h\u0131z\u0131na (yani, s\u0131v\u0131 tabakadaki s\u0131v\u0131 kayb\u0131 oran\u0131) ve s\u0131v\u0131 filmin mukavemetine ba\u011fl\u0131d\u0131r.<\/p>\n

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K\u00f6p\u00fck olu\u015fumunda, s\u0131v\u0131n\u0131n y\u00fczey alan\u0131 artar, sistem enerjisi artar; k\u00f6p\u00fck y\u0131k\u0131m\u0131nda, s\u0131v\u0131n\u0131n y\u00fczey alan\u0131 k\u00fc\u00e7\u00fcl\u00fcr, sistem enerjisi azal\u0131r, enerji a\u00e7\u0131s\u0131ndan bak\u0131ld\u0131\u011f\u0131nda, s\u0131v\u0131n\u0131n y\u00fczey gerilimini azaltmak k\u00f6p\u00fck olu\u015fumuna yard\u0131mc\u0131 olur ve s\u0131v\u0131n\u0131n y\u00fcksek y\u00fczey gerilimine sahip olmas\u0131 k\u00f6p\u00fck olu\u015fturmas\u0131 kolay de\u011fildir. Bununla birlikte, d\u00fc\u015f\u00fck y\u00fczey gerilimi mutlaka k\u00f6p\u00fc\u011f\u00fcn stabilitesine katk\u0131da bulunmaz. Sadece s\u0131v\u0131 film belirli bir g\u00fcce sahip oldu\u011funda, k\u00f6p\u00fc\u011f\u00fcn stabilitesine yard\u0131mc\u0131 olmak i\u00e7in \u00e7ok y\u00fczl\u00fc kabarc\u0131klar, d\u00fc\u015f\u00fck y\u00fczey gerilimi olu\u015fturabilir.<\/p>\n

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Su bazl\u0131 m\u00fcrekkep s\u0131v\u0131 bir m\u00fcrekkeptir, ofset m\u00fcrekkepten \u00e7ok daha incedir, m\u00fcrekkep bask\u0131 transfer i\u015fleminde gaza kar\u0131\u015fmas\u0131 ve k\u00f6p\u00fck olu\u015fturmas\u0131 kolayd\u0131r. Su bazl\u0131 m\u00fcrekkep ba\u011flant\u0131 malzemesi \u00e7\u00f6zelti veya em\u00fclsiyon tipi re\u00e7ine, su ve az miktarda etanol ve katk\u0131 maddeleri ile yap\u0131l\u0131r. Re\u00e7inenin amonyak reaksiyonu ile suda \u00e7\u00f6z\u00fcnmesi gerekir, bu t\u00fcr suda \u00e7\u00f6z\u00fcn\u00fcr re\u00e7ine sabun benzeri bir yap\u0131ya sahiptir, kabarc\u0131k \u00fcretmesi kolayd\u0131r. Buna ek olarak, su bazl\u0131 m\u00fcrekkeplerin alt tabakaya yap\u0131\u015fmas\u0131n\u0131 iyile\u015ftirmek i\u00e7in, sistemin y\u00fczey gerilimini azaltmak i\u00e7in baz\u0131 y\u00fczey aktif maddeler eklemek gerekir ve d\u00fc\u015f\u00fck y\u00fczey gerilimi kabarc\u0131k olu\u015fumunu te\u015fvik edecektir. Bu nedenle, su bazl\u0131 m\u00fcrekkeplerle bask\u0131 yaparken genellikle k\u00f6p\u00fck kesiciler eklemek gerekir.<\/p>\n

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K\u00f6p\u00fck gidericilerin uygulanmas\u0131 k\u00f6p\u00fck stabilitesini art\u0131rmaya y\u00f6nelik \u00f6nlemlerle \u00e7eli\u015fmektedir. Baz\u0131 k\u00f6p\u00fck gidericiler k\u00f6p\u00fck giderme amac\u0131na ula\u015fmak i\u00e7in kimyasal reaksiyonlard\u0131r (asit veya kalsiyum tuzlar\u0131 sabun filmini yok edebilir), \u00e7o\u011fu k\u00f6p\u00fck giderici ise sistem y\u00fczey gerilimini daha da azaltarak s\u0131v\u0131n\u0131n y\u00fczeyine yay\u0131lmas\u0131 ve adsorpsiyonu kolayd\u0131r, b\u00f6ylece k\u00f6p\u00fck giderme amac\u0131na ula\u015fmak i\u00e7in s\u0131v\u0131 y\u00fczey filminin g\u00fcc\u00fcn\u00fc azalt\u0131r. K\u00f6p\u00fck kesici t\u00fcrleri \u00e7e\u015fitlidir, alkoller, ya\u011f asitleri, fosfat, amidler vb. yan\u0131 s\u0131ra silikon ya\u011f\u0131 da yayg\u0131n olarak kullan\u0131lan m\u00fckemmel bir k\u00f6p\u00fck kesicidir.<\/p>\n

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Hem sulu hem de susuz sistemlerde kullan\u0131labilir. Silikon ya\u011f\u0131n\u0131n y\u00fczey gerilimi son derece d\u00fc\u015f\u00fckt\u00fcr ve sulu sistemlere eklendi\u011finde tercihen s\u0131v\u0131 film \u00fczerine adsorbe olur, b\u00f6ylece olu\u015fan film orijinal kabarc\u0131k olu\u015fturan film y\u00fczeyinden daha d\u00fc\u015f\u00fck bir y\u00fczey gerilimine sahip olur. Kural olarak, bunun kabarc\u0131k \u00fcretme olas\u0131l\u0131\u011f\u0131 daha y\u00fcksektir, ancak silikon ya\u011f\u0131 k\u00f6p\u00fck giderici k\u0131sa zincirli bir hidrokarbon oldu\u011fu i\u00e7in, daha d\u00fc\u015f\u00fck bir y\u00fczey gerilimine sahip olmas\u0131na ra\u011fmen, olu\u015fan y\u00fczey filmi mukavemetinin \u00e7ok d\u00fc\u015f\u00fck olmas\u0131n\u0131 sa\u011flayabilir ve b\u00f6ylece kabarc\u0131klar\u0131n kopmas\u0131n\u0131 te\u015fvik edebilir. kabarc\u0131klar\u0131n ortadan kald\u0131r\u0131lmas\u0131 amac\u0131na etkili bir \u015fekilde ula\u015fmak i\u00e7in.<\/p>\n\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/div><\/div><\/div><\/div>

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