BINDER COMPOSITIONS COMPRISING LIGNIN DERIVATIVES

USPTO Patent Application US 2017/0044409 A1
Application Date: Feb. 16th, 2017

ABSTRACT

The present disclosure provides an adhesive composition comprising derivatives of native lignin and an isocyanate-based binder such as methylene diphenyl diisocyanate. The present compositions may further comprise formaldehyde-based resins such...
Application Number:
15/336,526
International Classification:
C09J 175/04 (20060101); B29C 70/34 (20060101); B29C 70/12 (20060101); C08G 18/76 (20060101); C08G 18/40 (20060101)
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CLAIMS

What is claimed is:

1. An adhesive system comprising: (a) a resin comprising at least about 30% by weight of a phenol-formaldehyde resin and at least about 30% by weight of a derivative of native lignin; and(b) an isocyanate-based binder.

DESCRIPTION

This application is a divisional application of U.S. application Ser. No. 14/798,396, filed Jul. 13, 2015; which is a continuation of U.S. application Ser. No. 13/584,651, filed Aug. 13, 2012; which is a continuation of PCT/CA2011/000182, filed Feb. 15, 2011; which claims the priority of U.S. Provisional Application No. 61/304,745,...
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