Resin for composite structures

Details Resin for composite structures Resin for composite structures

2011-01-25

2011-01-25

Zimmer, Marc S (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S425000, C524S445000

Reexamination Certificate

active

07875675

ABSTRACT:
A resin precursor composition for use in the production of composite components includes an isocyanate component comprising a material selected from the group consisting of diphenylmethane diisocyanate, a polymeric isomer of diphenylmethane diisocyanate, and combinations thereof. The resin precursor composition also includes at least one polyether polyol having a functionality of three in an amount such that the ratio of the isocyanate component to the at least one polyol is between approximately 80% and 115% of stoichiometric. The resin precursor composition also includes a mold release material and a filler material.

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