Pultruded reinforced phenolic resin products
AssigneeOccidental Chemical Corporation
InventorRaymond R. Hindersinn
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Abstract
Filament reinforced phenolic resin products are provided which comprise a plurality of filaments and a cured, normally liquid phenolic resin interspersed around the filaments. The filaments can be in the form of continuous fibers, roving, woven roving, cloth and mat. The products are useful in structural applications. Also disclosed are novel glycol-modified resole phenolic resins and oligomeric polyol-modified resole phenolic resins.
Claims11
In a pultruded, filament-reinforced product having a substantially uniform cross-section throughout its length and comprising (a) a filament component comprising a plurality of filaments and (b) a cured normally liquid resin interspersed around said filaments;
- the improvement wherein the liquid resin is a liquid phenolic resin having a viscosity in the range of about 500 to about 4,000 centipoises at 23.degree. C., and a maximum volatile content of about 12 weight percent of volatile material having a boiling point of less than 120.degree. C.
The product of claim 9 wherein the liquid phenolic resin is a resole resin.
The product of claim 10 wherein the liquid phenolic resin is a glycol-modified resole resin.
Dependencies are inferred from the claim text.