Vliv údržby elektricky vodivé textilie praním na její funkčnost a stálost potisku
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Date
2019-01-10
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Abstract
Tato bakalářská práce zabývá průzkumem vlivu údržby elektricky vodivé textilie na její funkčnost a stálost potisku. Jako elektricky vodivá textilie byla zvolena tkanina keprové vazby, obsahující ve své struktuře 10 % nerez-ocelového staplového vlákna. Tkanina byla dále povrchově upravena pomocí digitálního tisku. Cílem práce bylo zjistit, jaký vliv má opakované praní a sušení potištěné elektricky vodivé textilie na její elektromagnetickou stínící účinnost a stálost potisku. Teoretická části práce seznamuje čtenáře s problematikou elektromagnetických vln a popisuje, jaké textilní struktury jsou vhodné pro konstrukty stínících krytů. Dále se teoretická část zabývá průzkumem finálních úprav textilií s cílem zvýšit jejich vizuální úroveň. Pojednáno je o barvení, tisku, vzorování laserem, hodnocením barevnosti. Dále jsou shrnuty informace o údržbě textilie, a zároveň o procesu praní. V rámci experimentální části práce je analyzována elektricky vodivá textilie a popsán aplikovaný digitální tisk. Objasněny jsou také parametry opakované údržby textilie sestávající z praní a sušení. Stínící schopnost potištěné textilie byla hodnocena dle normy ASTM 4935-10. Barevnost textilie byla hodnocena pomocí spektrofotometru. V průběhu opakovaného praní a sušení byla navíc hodnocena také žmolkovitost vzorku. Bylo zjištěno, že proces praní má na statisticky významný vliv jak na funkčnost, tak na stálobarevnost potištěné textilie.
This bachelor thesis studies the maintenance effects on an electrically conductive fabric, its functionality, and the print permanence. The twill binding fabric was selected as the electrically conductive fabric. It contains 10 % stainless steel staple fiber in its structure. The fabric was further surface-treated by digital printing. The aim of this thesis was to establish the effects of repeated washing and drying on the printed electrically conductive fabric, specifically its electromagnetic shielding efficiency and print permanence. The theoretical part introduces the reader into the problems of electromagnetic waves and describes, what textile structures are suitable for shield cover designs. Furthermore, it looks into a research of final textile modifications with the aim to increase their visual standard. It is dealt with colouring, printing, laser pattern designing, and colour quality assessment. The information about the textile´s maintenance is summarized here, together with the washing process. The experimental part analyses electrically conductive textiles and describes applied digital printing. The repeated maintenance parameters are also explained that contain washing and drying. The shielding ability of the printed fabric was evaluated according to the ASTM 4935-10 regulation. The fabric colouring evaluated by using a spectrophotometer. In addition, the pilling was evaluated within repeated washing and drying. The main finding was that the washing process has statistically significant effects not only on the functionality, but also the colour sustainability of the printed fabric.
This bachelor thesis studies the maintenance effects on an electrically conductive fabric, its functionality, and the print permanence. The twill binding fabric was selected as the electrically conductive fabric. It contains 10 % stainless steel staple fiber in its structure. The fabric was further surface-treated by digital printing. The aim of this thesis was to establish the effects of repeated washing and drying on the printed electrically conductive fabric, specifically its electromagnetic shielding efficiency and print permanence. The theoretical part introduces the reader into the problems of electromagnetic waves and describes, what textile structures are suitable for shield cover designs. Furthermore, it looks into a research of final textile modifications with the aim to increase their visual standard. It is dealt with colouring, printing, laser pattern designing, and colour quality assessment. The information about the textile´s maintenance is summarized here, together with the washing process. The experimental part analyses electrically conductive textiles and describes applied digital printing. The repeated maintenance parameters are also explained that contain washing and drying. The shielding ability of the printed fabric was evaluated according to the ASTM 4935-10 regulation. The fabric colouring evaluated by using a spectrophotometer. In addition, the pilling was evaluated within repeated washing and drying. The main finding was that the washing process has statistically significant effects not only on the functionality, but also the colour sustainability of the printed fabric.
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digitální tisk, elektricky vodivá textilie, elektromagnetické stínění, stálobarevnost, údržba textilie praním, digital printing, electrically conductive textile, electromagnetic shielding, fastness, maintaining of textile by washing