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hua

PPDA

whakaahuatanga poto:

1,4-Phenylenediamine


Taipitopito Hua

Tohu Hua

Ngā āhuatanga

Ko te PPDA he ma ki te marama papura karaihe whero, he ngoikore atu tona alkalinity i te haukini, paku kaha atu i te aniline, a he ngawari ki te oxidized.

Nga tono

Ka whakamahia te nuinga ki te hanga waikano azo me nga waikano sulfide, me nga antioxidants rapa. Ka taea hoki te whakamahi hei rauemi mata mo te aukati polymerization penehīni. I roto i te mara o te polymer, ka whakamahia te nuinga o te PPDA ki te whakaputa i te Kevlar 1414 me te polyimide.


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