4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Struktur

4,4'-[(Isopropyliden)bis(p-phenylenoxy)]diphthaldisureanhydrid

Bezeichnung:4,4'-[(Isopropyliden)bis(p-phenylenoxy)]diphthaldisureanhydrid

CAS-Nr38103-06-9

Englisch Name:4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)

CBNumberCB3211771

SummenformelC31H20O8

Molgewicht520.49

MOL-Datei38103-06-9.mol

Synonyma

4,4'-[(Isopropyliden)bis(p-phenylenoxy)]diphthaldisureanhydrid

4,4'-[(Isopropyliden)bis(p-phenylenoxy)]diphthaldisureanhydrid physikalisch-chemischer Eigenschaften

Schmelzpunkt	184-187 °C(lit.)
Siedepunkt	712.3±60.0 °C(Predicted)
Dichte	1.406±0.06 g/cm3(Predicted)
Dampfdruck	0Pa at 25℃
storage temp.	Inert atmosphere,Room Temperature
Aggregatzustand	powder to crystal
Farbe	White to Light yellow
Sensitive	Moisture Sensitive
InChIKey	MQAHXEQUBNDFGI-UHFFFAOYSA-N
LogP	-2.22 at 21℃
EPA chemische Informationen	1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis- (38103-06-9)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38-42
S-Sätze:	26-36
WGK Germany	3
RTECS-Nr.	NP7227500
HS Code	29189900

Gefahreninformationscode (GHS)

4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R42:Sensibilisierung durch Einatmen möglich.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (BPADA) is a diphthalic anhydride structural unit with a core of bisphenol A. BPADA is a precursor for the synthesis of polyimides, which are highly thermally stable and have strong mechanical properties using their bisphenol A core. Polyimide films synthesised from this molecule are incompletely conjugated and therefore have high optical transparency. With their isometric stretchability and high glass transition temperature (Tg = 207 °C), these films are ideal for flexible display substrates. In addition to their high heat resistance, the polyimides are chemically inert and can be used as ion transport membranes in fuel cells.BPADA can also be used to make aerogels that are superhydrophobic (Lotus effect).
Verwenden
4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride) be used for the preparation of a polyimide material.
synthetische
4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride) can be synthesized from 4-chlorophthalic anhydride and bisphenol A. Mainly includes the following steps:(1) Chlorophenyl anhydride imide, synthesis of N-Phenyltetrachlorophthalimide;(2) the synthesis of bisphenol A disodium salt;(3) Nucleophilic substitution reaction in dipolar nonproton solvent;(4) hydrolysis to bisphenol A diether tetraic acid;(5) dehydration to 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride).
Flammability and Explosibility
Not classified

4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Upstream-Materialien And Downstream Produkte

4,4'-[(Isopropyliden)bis(p-phenylenoxy)]diphthaldisureanhydrid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

38103-06-9, 4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Verwandte Suche:

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