Paper Title:
Novolak Type Phenol Formaldehyde Resin from Waste Brown-Rotted Wood
  Abstract

The waste brown-rotted wood was liquefied in phenol with phosphoric acid as a catalyst and the resulting liquefied products were condensed with formaldehyde to yield novolak liquefied wood-based phenol formaldehyde resin (LWF). The results showed that brown-rotted wood could be almost completely liquefied within 0.5 h at phenol to wood (P/W) ratio 2. An increase in P/W ratio from 2 to 3 slightly improved the flow property of LWF, but accompanied by decreasing the product yield from approximately 140 to 120 %. The increase of liquefaction time from 30 min to 60 min did not have a significant influence on the resulting LWF. The thermofluidity of LWF were compared to that of the commercial novolak PF resin, and could be used to make moldings with similar thermal property and mechanical properties to those obtained from the conventional novolak PF resin.

  Info
Periodical
Advanced Materials Research (Volumes 217-218)
Edited by
Zhou Mark
Pages
490-494
DOI
10.4028/www.scientific.net/AMR.217-218.490
Citation
G. Y. Li, T. F. Qin, "Novolak Type Phenol Formaldehyde Resin from Waste Brown-Rotted Wood", Advanced Materials Research, Vols. 217-218, pp. 490-494, 2011
Online since
March 2011
Export
Price
$32.00
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