Modified red phosphorus, method of producing the same,...

Details Modified red phosphorus, method of producing the same,... Modified red phosphorus, method of producing the same,...

2006-05-16

2006-05-16

Sanders, Kriellion A. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S202000, C523S206000, C523S210000, C523S223000, C524S080000, C524S414000

Reexamination Certificate

active

07045561

ABSTRACT:
The present invention provides a decolorized red phosphorus composition capable of inhibiting coloring in dark red peculiar to red phosphorus even when kneaded with a resin or the like, modified red phosphorus used for the decolorized red phosphorus composition and a production method therefor, and a flame-retardant polymer composition using the decolorized red phosphorus composition. The modified red phosphorus includes red phosphorus particles (A) whose surfaces are coated with a modified resin film (F) containing white particles (B) having a whiteness of 70 or more, color particles (C) having a hue H of 30 to 80 in the Munsell color-system hue circle, and a binder resin (D). The decolorized red phosphorus composition includes a mixed powder containing the modified red phosphorus and white particles (B) having a whiteness of 70 or more. The flame-retardant polymer composition contains the decolorized red phosphorus composition and a polymer compound (I).

REFERENCES:
patent: 5543444 (1996-08-01), Kobayashi et al.
patent: 51-105996 (1976-09-01), None
patent: 59-195512 (1984-11-01), None
patent: 2000-169119 (2000-06-01), None

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