Method of forming composite particle products

Details Method of forming composite particle products Method of forming composite particle products

1997-02-14

1999-09-21

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Forming articles by uniting randomly associated particles

264 3713, 264 3718, 264109, 264115, 264122, 264124, B27N 304

Patent

active

059550236

ABSTRACT:
The present invention attains the foregoing and other objects of the invention by providing a method of forming a composite particle product from ligno-cellulosic material bonded together with water-insoluble lignin. The lignin has a relatively low molecular mass, e.g., less than 10,000 Daltons, and has a relatively high number of reactive functional groups. The lignin and material is then heated and compressed to promote bending and cross-linking between the lignin binder and the ligno-cellulosic material.

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