itulau_fanua

oloa

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

Meatotino tau vailaau:

Fuafua mole C19H10F6O8
Molar Mass 480.27
Malosi 1.681±0.06 g/cm3(Va'ai)
Lisi Lisi 240-241°C
Manu'a 572.3±50.0 °C(Vailoaina)
Mata'imu 299.9°C
Ausa Malo 6.14E-14mmHg ile 25°C
Fa'aaliga Malosi
pKa 2.51±0.10(Vavaloa)
Tulaga Teuteu Faamauina i le mago, Temperature Room
Fa'asino Upu 1.565

Fa'amatalaga Oloa

Faailoga o oloa

Fa'ailoga Mata'utia Xi – Irita
Tulaga lamatia 36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
S36 – Fai ofu puipui talafeagai.

 

Folasaga

4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid) o se mea fa'aola. O se pa'epa'e tioata pa'epa'e ma maualuga le mautu vevela ma tetee tau.

 

E mafai ona faʻaogaina le faʻapipiʻi e saunia ai mea faʻapipiʻi polyester maualuga faʻatasi ai ma le maualuga o le faʻamaʻiina o le faʻamaʻiina ma le vevela, ma e iai le tele o faʻaoga. E mafai ona faʻaaogaina e fai ma sui e faʻaleleia ai mea totino o mea polyester, e pei o le ductility, malosi, ma le tetee i le tau. E mafai foi ona faʻaaogaina e avea o se photosensitizer ma se faʻaopoopoga mo polymerization catalysts.

 

Ole auala sauniuni ole 4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid) e lavelave ma e manaʻomia ona maua e ala i le tele-step reaction. O se auala masani e faʻaaogaina o le tali atu i le phthalic acid ma le methylene trifluoride i lalo o tulaga alkaline e tuʻuina atu ai le 4,4′-(2,2,2-trifluoro-1-trifluoromethyl)ethylenebis(1,2-benzenedicarboxylic acid).

 

Fa'amatalaga Saogalemu: E tatau ona faia ni auala talafeagai ma puipuiga ile taimi ole tapenaga ma le fa'aogaina ole fa'aputuga. E iai le oona ma le ita, ma e tatau ona aloese mai le manavaina o le pefu ma faʻafesoʻotaʻi ma le paʻu, mata, ma isi. Fai totigilima puipui, matapulepule, ma mata tioata e faʻamautinoa ai le lelei o le ea i le taimi o le taotoga.

 


  • Muamua:
  • Sosoo ai:

  • Tusi lau savali iinei ma lafo mai ia i matou