Method of preparing hardenable plastics comprising condensing mixed aryl borates with hcho
Abstract
Abstract NOVEL MIXED ARYL BORATES OF THE GENERAL FORMULA BOX(OAR)Y, WHEREIN AR IS AN ARYL RADICAL, X IS GREATER THAN 1 BUT LESS THAN 1.5 AND Y IS GREATER THAN 0 AND LESS THAN 1, WHICH MIXTURE CONTAINS BRANCHED CHAIN ARYL BORATES OF THE FORMULA: (AR-O)2-B-(O-B(-O-R1))(N=>2)-O-B(-O-AR)2 WHICH MIXED ARYL BORATES ARE MADE BY REACTING A PHENOLIC COMPOUND WITH BORIC ACID OR BORIC OXIDE WITH AN EXCESS OF BORON AT ELEVATED TEMPERATURES AND FOR EXTENDED PERIODS OF TIME SUFFICIENT TO CONDENSE THE BORON COMPOUND AND THE PHENOLIC COMPOUND AND CAUSE WATER AS WELL AS PHENOLIC COMPOUND TO BE CONDENSED OUT OF THE REASON AND REMOVED THEREFROM. THESE MIXED ARYL BORATES ARE REACTABLE TO PRODUCE A PREPRODUCT WHICH IS THEN REACTED WITH TRIOXANE AND, IS DESIRED, A SOLID FORMALDEHYDE YIELDING MATERIALS TO FORM THERMOSETTING RESINS OF THE PHENOLALDEHYDE TYPE CONTAINING BORON THEREON.
Inventors
- 👤 F Huster
Bibliographic Details
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