3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS:2421-28-5

Ko te 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, e mōhiotia ana ko BPTCDA, he matū maha-whakamahinga e kitea ana he whakamahinga whānui i roto i ngā ahumahi maha. Ko tētahi o ōna whakamahinga matua ko te pūtaiao polymer. Ko te BPTCDA he monomer matua i roto i te hanganga o ngā polymer me ngā copolymer mahi-teitei. He tino pai te pumau o te wera, te kaha miihini, me ngā āhuatanga hiko o ēnei polymer. Ka kitea he whakamahinga i roto i ngā wāhi pēnei i ngā hiato matatau, ngā paninga, ngā piripiri, me ngā taputapu hiko. E mōhiotia ana ngā polymer e hangai ana ki te BPTCDA mō tō rātou ātete ki ngā pāmahana teitei me ngā taiao uaua, e pai ai mō ngā ahumahi rererangi, motuka, me te hiko. Hei tāpiri, he mahi nui tā te BPTCDA i roto i te matū rauemi. Nā tōna hanganga ahurei me te tauhohenga ka waiho hei wāhanga nui i roto i te hanga rauemi mahi pēnei i ngā tioata wai, ngā semiconductors waro, me ngā matū photochromic. He whakamahinga ēnei rauemi i roto i ngā hangarau whakaatu, ngā taputapu whatu, me ngā pūoko. Hei tāpiri, he whānui te whakamahinga o te BPTCDA i roto i te hanganga waro. Ko ōna rōpū waikawa carboxylic tino tauhohenga ka taea te hanga i ngā momo pānga me ngā matū mahi. Ka whakamahia e ngā kairangahau Ko te BPTCDA hei poraka hanga hei hanga i ngā ngota waro matatini me ngā āhuatanga e hiahiatia ana mō ngā rongoā, ngā matū ahuwhenua, me ngā matū motuhake. Heoi anō, ka kitea te whai huatanga o tēnei matū i roto i te mara o te whakaterenga. Nā tōna anga pakari me ngā rōpū tango-irahiko ka waiho hei whakaterenga whai hua i roto i ētahi tauhohenga, tae atu ki te whakahāngaitanga, te whakaiti, me te hanganga here waro-waro. Kua whakaatuhia e ngā whakaterenga e hangai ana ki te BPTCDA te kaha ake o te tauhohenga, te whiriwhiri, me te pumau, e āhei ai ngā huringa matū whai hua me te pumau. Hei whakarāpopototanga, he nui ngā tono a te 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, BPTCDA rānei, i roto i te pūtaiao polymer, te matū rauemi, te hanga waro, me te whakaterenga. Nā tōna hanganga ahurei me te kaha maha o te tauhohenga ka waiho hei matū whai hua mō te whakawhanake i ngā polymer mahi-teitei, ngā rauemi mahi, me ngā ngota waro matatini. Nā te whānuitanga o ngā tono ka waiho te BPTCDA hei wāhanga nui ki te whakatairanga i ngā whanaketanga hangarau me te rangahau pūtaiao.