Polycyanurate compositions

Details Polycyanurate compositions Polycyanurate compositions

2005-09-19

2008-12-09

Boykin, Terressa M (Department: 1796)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C521S027000, C524S492000, C528S125000, C528S126000, C528S210000

Reexamination Certificate

active

07462681

ABSTRACT:
A polycyanurate composition (I), wherein “n” is a positive integer of about 1 to about 10, and wherein R, R′, and R″ comprising at least one of C, H, N, O, F, Si, P, S, Cl, Br, I, and any combination thereof. A method of making a polycyanurate composition (I) including, providing at least one semi-aliphatic polycarbonate (V), wherein R comprises at least one of C, H, N, O, F, Si, P, S, Cl, Br, I, providing at least one uncured reactive thermoset monomer, dissolving the polycarbonate in a solvent with a high vapor pressure or suspending the polycarbonate directly into the reactive monomer, mixing the liquefied polycarbonate with the uncured reactive thermoset monomer into a homogeneous liquid component, curing the liquid component into a viscous component, and exposing the cured component to temperatures of about 50° C. to about 400° C. forming tricyanurate linkages in the polycyanurate composition (I).

REFERENCES:
patent: 6394264 (2002-05-01), Riviello, Jr.
patent: 5548205 (1980-04-01), None
patent: WO 9608530 (1996-03-01), None

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