Properties and applications筆湖 of polyimide films
Release Time：
2023-06-06
Source：
Polyimide film 可短is a kind of high te大站mperature resistant electrica森對l insulation material, the col算河or is yellow transparent, it is mai睡風nly divided into two types of homogene土窗ous polyimide film and b也紅iphenyl type polyimide film, with ou地離tstanding high temperature開校 resistance, radiation resistance, c南章hemical corrosion resistan銀藍ce and electrical insulation properties為朋, can be used in 250 ~ 280 ℃ air for 他機a long time.
A, the chemical properties of polyimid相這e film
Polyimide chemical properties 匠資are stable. Polyimide does not need t計子o add flame retardant to s票如top burning. The讀謝 general polyimide are resistant 為喝to chemical solvents s的河uch as hydrocarbons, esters, ethers, 光煙alcohols and fluroc一兒hlorane. They ar市長e also resistant to weak acids but are 舞土not recommended for們哥 use in stronger alkaline and inorganic筆放 acid environments. Some poly聽煙imides such as CP1 and COR劇資IN XLS are soluble in solvents, 林業a property that 花劇helps develop their applicati日舞on in spraying and l跳體ow temperature crosslinking.
II. Physical properties o門小f polyimide films
Thermosetting polyimide廠內 has excellent ther議都mal stability, chemical山光 resistance and mechan窗技ical properties and is usuall離拍y orange in color.醫內 The flexural strength of gra機爸phite or glass fiber reinforced頻人 polyimide can reach 345 MPa, and t中吧he flexural modulus 那線reaches 20 GPa. The use temp體森erature range of polyimid多民e covers a wide ra房了nge, from more than a hundred de飛技grees below zero to two or three hundr術就ed degrees.
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2023-06-19
2023-06-06
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