CYASORB UV-3638 CAS 18600-59-4

CAS:18600-59-4

Tātai ngota:C22H12N2O4

Taumaha ngota:368.34

EINECS:418-280-1

Ngā kupu taurite:2,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE18600-59-4UV-3638; 18600-59-4UV-36382,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one); CyasorbUV-36382,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE; -(1,4-PHENYLENE)BIS-Puka Matū4H-3,1-BENZOXAZIN-4-ONE

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He aha te CYASORB UV-3638 CAS 18600-59-4?

He taumaha ngota teitei te taumaha ngota o te whakapūmau rama 3638, he iti te piki me te kore tae. He tino pai mō ngā whakaritenga tae whakawhiti teitei o te umanga whatu. He whakapūmau wera teitei tō te whakapūmau rama 3638 me te TGA (10%) neke atu i te 371 nekehanga Celsius. Ko te whakapūmau rama 3638 he whakatupuranga hou o te mimiti hihi ultraviolet e pai ana ki te taiao, ā, he pai hoki. Mō te UVB, he tino pai te mimiti UVC.

Whakatakotoranga

Taonga	Whakatakotoranga
Te pūwāhi rewa	315-317°C
Te pūwāhi koropupū	522.8±20.0 °C (I matapaetia)
Kiato	1.41±0.1 g/cm3 (I matapaetia)
Pēhanga kohu	0-0Pa i te 20-25℃
Te wairewatanga o te wai	112μg/L i te 20℃
Tauwehenga waikawa (pKa)	1.98±0.20 (I matapaetia)
TakiuruP	4.7 i te 22℃

Tono

He taumaha ngota nui te UV-3638, he iti te piki me te heke, he kore tae te parahanga. He tino pai mō te umanga whatu e hiahia ana ki te whakawhiti tae, pērā i te PET, ngā karaihe rauemi whatu PC, te horapa mārama o ngā taputapu whakaatu karaihe wai whakamārama, me ētahi atu. He tino kaha, he whānui hoki te mimiti UV a te Uv-3638, he kore tae te parahanga. He pai te UV-3638 mō te polyester thermoplastic, te nairona, me ngā umanga tiaki me ngā pāmahana tukatuka teitei me ngā whakaritenga tino kaha mō te mimiti UV.