[Matsva Midziyo] "Goridhe" muinjiniya Purasitiki - Polyimide (Polyimide)

November 19, 2022

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Polyimide firimu (polyimidefilm) inotaurwa sePi firimu iri mutete firimu firimu insulation zvinhu zvine chekuita nekuita kwakanaka. Iyo yakagadzirwa pyromellitic dianhydride (PMDA) uye dde) kuburikidza neConcence Polymerization iyo inokandwa mufirimu uye yakazomiswa.

Zvimiro: Yellowr uye Runyararo 1.39 ~ ~ 1.45, polyimide firimu rakanyanya kukwikwidza, kupokana, uye kunogona kushandiswa kune -269 ° C ~ 280 ° C ~ 280 ° C ~ 280 ° C ~ Kwenguva yakareba mukati meiyo tembiricha yekudziya, uye inogona kusvika pakupisa kwakanyanya kwe400 ° C munguva pfupi. Iyo yegirazi transition tembiricha ndeye 280 ° C (UPILEX R), 385 ° C (Kapton) uye pamusoro 500 ° C (UPILEX S). Simba reiyo Simba ndi200mpa pa20 ° C uye rakakura kupfuura 100mpa pa2009 pana 200 ° C. Izvo zvinonyanya kukodzera sekutsiva kweshanduko yakadhindwa wedunhu ematunhu uye kusimbisa zvinhu zvevakasiyana-siyana tembiricha-inodzivirira mauto nemidziyo yemagetsi.
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Zvakanakira zvePolyimide

(1) Yakanakisa kupisa kupesana. Tembiricha yechidhori yePolyimide inowanzo inopfuura 500 ° C, dzimwe nguva yakakwira, uye ndeimwe yemhando dzakakwirira dzekudzikama pakati pePolymasi dzinozivikanwa

(2) yakanakisa michina yezvivakwa. Simba reCensile yeiyo isingagumi matrix zvinyorwa zviri pamusoro 100mpa. Iyo Tensile Simba reKapton firimu rakagadzirirwa neHomoanhydride iri 170mpa, nepo Bipherl polyimide (Utilex s) inogona kusvika 400mpa. Iyo elastic modulus ye polyimide fiber inogona kusvika 500mpa, yechipiri chete kuCarbon fiber.

(3) Yakanaka makemikari kugadzikana uye kupisa uye humidity kuramba. Polyimide zvinhu zvinowanzoitika mune sol sol sol sol sol sol sol sol sol sol sol soles, inodzivirira, uye hydrolysis-inodzivirira. Marudzi ane zvimiro zvakasiyana zvinogona kuwanikwa nekuchinja ma molecular dhizaini. Mamwe marudzi anogona kutsungirira achibika pa120 ° C kwemaawa 500 kuma 2 matinheri.

(4) Radi reiation kuramba. Simba rePolyimide Firimu rinosara 86% mushure me5 × 109rad dire radiation; Dzimwe polyimide fibers chengetedza 90% yesimba ravo mushure me1 × 1010rad nekukurumidza electret radiation.

(5) zvakanaka dielectric zvivakwa. Iyo difectric inogara iri pasi pe3,5. Kana maatomu ezvidhinha achiunzwa mumatehwe emota Naizvozvo, iyo synthesis yeFluoline-ine zvekushandisa polyimide inzvimbo inopisa yekutsvaga.
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Zvadaro

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Author:

Ms. Tina

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sales@honyplastic.com

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