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HPCTP

Phosphazene flame retardant

Beschreibung

HPCTP, a cyclic phenoxyphosphazene, is a thermally and hydrolytically stable phosphorus-nitrogen flame retardant with favourable electrical properties. Phosphazenes show higher heat distortion temperature compared to aromatic bisphosphates.

Chemischer Name:

Hexaphenoxycyclotriphosphazene

Molekularformel:

C36H30N3O6P3

Molekulargewicht:

693 g/mol

CAS-Nummer:

1184-10-7

Anwendungen

HPCTP is designed for use in PC and PC/ABS resins (transparent and coloured applications, including LED). It is effective in PC/ABS at 12-15 wt.%, providing a UL94 V-0 rating, while the oxygen index can reach 33%.

Besides use in PC(/ABS), HPCTP also shows good flame retardancy in epoxy resin. When used in benzoxazine resin glass cloth laminate, the mass fraction is 10% and the flame retardancy can reach a V-0 rating, while the parallel breakdown voltage is 47KV. If used in polythene, the oxygen index of the polythene can reach 30-33.

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