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latlh Features pi (Polyimide)

pi ghu'vetlh 1.28-1.48g/cm3, imidization qechmeyDaj Huj ghur,, qatlh ghur ghu'vetlh; ghorgh Sev Dop ghom neH mIr 'elbogh, ghu'vetlh ghaH smaller. veb compression tensile, SIH, HoS, mechanical bang SeH botlh 'ej upper patlh, jen modulus, especially DeSDu' jen, qaStaHvIS jen modulus prominent feature bang mechanical chaq pi.

pov dimensional stability, baS SoHvaD prominent chaq creep resistant pi adhesive.

'ach prominent yIqaw pi resistance tuj jen, chaq decomposition Hat HIvje' transition Hat, thermal yIqaw veb, 'ej Hat taH jen. Hat working taH 250 ℃.

pi pov insulation electrical bang, qaStaHvIS tev range Hat dipole loss mach ngoDqoq luHar. 'ach pov corona resistance ghaj pagh because of cha' bIquv chemical reaction generate corona 'oH: oxidation pov yInSIp atoms decomposition; oxidation reaction ozone, hydroxides SoHvaD resistant. SeH pi intermediate dielectric Hap 'u'.

not alkali resistant Segh superheat SeS je QaQ stability oils, organic solvents, dilute pey, 'ach wej resistant HoS oxidation qIm sulfuric pey fume nitric pey, 'ej je pi. qaStaHvIS oxidative degradation HoS oxidants role. pi imide Qeb poS chenmoH alkali 'ej bIQ vapor 'angbogh Da 'ej ghot'e' yIqaw degradation qaS backbone fracture.

muHIvtaHbogh So'meH aromatic molecular mIr pi yIteb HoS, resistance pov woj, ghIq Ha', tlham woj laH absorbs neutron, electron, 7 tIH, ultraviolet woj, woj environment laH Qam 'oH, yIqaw degradation SoHvaD vuS.