BIO-BASED AROMATIC DIISOCYANATES FOR PREPARATION OF POLYURETHANES

USPTO Patent Application US 2017/0369427 A1
Application Date: Dec. 28th, 2017

ABSTRACT

The present invention provides bio-based aromatic diisocyanate of formula (I). [Formula should be inserted here] wherein X is OCH3, Y is selected from —H or OCH3, and m=0-12. The present...
Application Number:
15/539,189
International Classification:
C07C 263/12 (20060101); C08G 18/77 (20060101); C08G 18/24 (20060101); C08G 18/32 (20060101); C08G 71/04 (20060101); C07C 247/24 (20060101); C07C 265/14 (20060101)
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CLAIMS

We claim:

1. A bio-based aromatic diisocyanate of formula (I)whereinX is —OCH3, Y is selected from —H or —OCH3, andm=0-12.

DESCRIPTION

FIELD OF THE INVENTION

The present invention relates to bio-based aromatic diisocyanates of formula (I) useful for preparation of polyurethanes. Particularly the present invention relates to process of preparation of bio-based aromatic diisocyanates wherein the starting materials are derived from bio-resources. More particularly the present invention further relates to preparation of polyurethane from bio-based...
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