http___m.hr.chinapolyimide.com_thermoplastic-soluble-polyimide-powder_1.xml
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Product Name: Thermoplastic Soluble Polyimide Powder Item No.: SolverPI-Powder 5600 Equivalent: Matrimid 5218 The glass transition temperature (Tg) is 320-330 ℃, about 5% thermal weight loss temperature 525 ℃, intrinsic viscosity 0.5-0.7dl / g (NMP in, 30 ℃ test),100% imidization, pure solid powder form. At room temperature, soluble in methylene chloride, tetrahydrofuran, DMF, chloroform, acetophenone, cyclohexanone, butyrolactone, DMAc, NMP, dioxane and the like solvents. Dissolved concentrations of up to 20%. Product Benefits: Fully imidized; After high temperature processing is not required; Soluble in common solvents; Excellent adhesive property; Good toughness coating; Excellent in chemical resistance; Excellent heat resistance; 100% solid powder. Features: Product is a completely soluble thermoplastic polyimide, containing no precursor - polyamic acid, and the polyamic acid is converted into polyimide requires a high temperature condition of the job. Because of this, the polyimide products more simple and convenient than conventional PI processing. For example, for coating applications, as long as the product is dissolved in a solvent, coating on a substrate, and then to evaporate the solvent and form a dense, strong toughness of the coating. For other types of polyimide, due to its solubility characteristics not only by its precursor - polyamic acid to coat,However, this process requires a high temperature "curing" process, to be converted into a polyimide, and the curing process will produce the byproduct water (polyamic acid is converted into polyimide is a chemical reaction that produces water), Since water is generated, resulting in a smooth coating is difficult without "pinhole" or free of defects. Soluble product which is completely cyclized polyimides, anhydrous generating process, can avoid this fatal defects. Due to the special properties of soluble and very excellent temperature resistance (high glass transition temperature), and has a very excellent beyond the conventional polyimide chemical corrosion resistance, such as: water, steam, salt, acid, caustic and non-polar solvents (Note: Most of polyimide intolerance steam, acids and bases). Therefore, the product is particularly suitable for high-temperature coatings and composites.
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Naziv proizvoda: Termoplastična topiv Poliimidni prah Artikl br.: SolverPI-prah 5600 Ekvivalent: Matrimid 5218 Staklo temperature prijelaza (Tg) je 320-330 ℃, oko 5% termalne težina gubitak temperatura 525 ℃, intrinzična viskoznosti 0,5-0,7 dl/g (Ministarstvo u 30 ℃ test), 100% imidization, čista čvrste prahu. Na sobnoj temperaturi, topiv u metilen klorid, tetrahydrofuran, DMF, kloroform, pročišćenim, cyclohexanone, butyrolactone, DMAc, Ministarstvo, dioksan i kao otapala. Otopljeni koncentracije do 20%. Koristi od proizvoda: Potpuno imidized; Nakon visoke temperature obrada nije potrebna; Topiv u uobičajena otapala; Odlične prionljivosti; Dobra žilavost premaz; Odličan u kemijsku otpornost; Odličan otpor; 100% prah čvrsta. Značajke: Proizvod je potpuno topiv termoplastični Poliimidni, koji sadrži nijedan prethodnik - polyamic kiseline i polyamic kiseline pretvara u Poliimidni zahtijeva visoke temperature uvjet za posao. Zbog toga, Poliimidni proizvoda više jednostavan i zgodan nego konvencionalni PI obrade. Na primjer, za premaz aplikacija, dok je proizvod je otopljen u otapala, premaza na podlogu, a zatim ispariti otapalo i formira gusta, jaka čvrstoća premaza. Za druge vrste Poliimidni, zbog karakteristika topljivosti ne samo od svog prethodnika- polyamic kiselinom za kaput, međutim, taj proces zahtijeva visoku temperaturu "liječenje" proces, koji će se pretvoriti u Poliimidni, i proces polimerizacije proizvodnju nusprodukt vode (polyamic kiselina se pretvara u Poliimidni je kemijska reakcija To stvara vodu), jer voda je generiran, što je rezultiralo u glatko premaz je teško bez "pinhole" ili nema oštećenja. Topljive proizvod koji je potpuno cyclized polyimides, bezvodni proizvodnih procesa, možete izbjeći kobne greške. Zbog posebnih svojstava topljivi i vrlo odlična temperaturna otpornost (visoke staklene tranzicije temperatura), i ima vrlo odličan izvan konvencionalnih Poliimidni kemijske korozije, kao što su: voda, para, soli, kiseline, oštar i ne-polarnih otapala (Napomena: većina Poliimidni netolerancije na paru, kiseline i baze). Dakle, proizvod je posebno je pogodna za visoke temperature premaza i kompozita.