Process for manufacturing composite products from lignocellulosi

Details Process for manufacturing composite products from lignocellulosi Process for manufacturing composite products from lignocellulosi

1983-03-30

1986-12-09

Ball, Michael

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

264123, B32B 516

Patent

active

046279512

ABSTRACT:
A low cost process of making composite products from sugar containing lignocellulosic materials, such as sugarcane bagasse and stalks of sorghum, corn, sunflower, flax, and the like, utilizing the residual sugars as bonding and bulking agent: Comminuted sugar containing lignocellulosic material wholly composed of or partially in combination with other lignocellulosic materials, in the absence of adhesive binders or bonding agents, is molded at a temperature of at least 180.degree. C., and a pressure and for a time sufficient to compound the material into a composite product. The free sugars in lignocellulosic materials act as a thermosetting adhesive binder, and provide both bonding and bulking effect. The composite thus produces possess great strength and excellent dimensional stability. These results are obtained to the greatest extent when the lignocellulosic materials contain higher proportion of sugars.

REFERENCES:
patent: 4183997 (1980-01-01), Stofko
patent: 4357194 (1982-11-01), Stofko

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