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4 4′-(Hexafluoroisopropylidene)waikawa diphthalic(CAS# 3016-76-0)

Āhuatanga matū:

Tātai rāpoi C19H10F6O8
Molar Mass 480.27
Kiato 1.681±0.06 g/cm3(Te Matapae)
Te Whakarewa 240-241°C
Piro Pouri 572.3±50.0 °C(I Matapaetia)
Tohu Kohiko 299.9°C
Kohu Kohu 6.14E-14mmHg i te 25°C
Te ahua Mārō
pKa 2.51±0.10(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive 1.565

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S36 – Mau kakahu whakamarumaru tika.

 

Kupu Whakataki

Ko te 4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid) he pūhui waro. He paura tioata ma me te pumau o te waiariki me te aukati huarere.

 

Ka taea te whakamahi i te pūhui ki te whakarite i nga rauemi polyester teitei me te kaha o te waiora me te wera wera, me te maha o nga tono. Ka taea te whakamahi hei whakarereke ki te whakapai ake i nga ahuatanga o nga taonga polyester, penei i te ductility, te kaha, me te aukati huarere. Ka taea hoki te whakamahi hei whakamaarama whakaahua me te taapiri mo te whakakorikori polymerization.

 

Ko te tikanga whakarite o te 4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid) he uaua, me whiwhi ma te tauhohenga maha-taahiraa. Ko te tikanga e whakamahia nuitia ana ko te whakahoki i te waikawa phthalic me te methylene trifluoride i raro i nga tikanga kawakore ki te hoatu 4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid).

 

Nga korero haumaru: Ko nga tikanga whakahaere tika me nga whakatupato kia mahia i te wa e whakarite ana me te whakamahi i tenei puhui. He paitini me te riri, me karohia mai i te hongi i te puehu me te pa atu ki te kiri, ki nga kanohi, me era atu mea. Whakamaua nga karapu whakamarumaru, he kopare, me nga moti hei whakarite kia pai te hau i te wa e mahi ana.

 


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