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Fast curing PF resin mixed with various resins and accelerators for building composite materials.(phenol-formaldehyde)
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Construction and Building Materials
- Article date:
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October 1, 2008
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Copyright informationCOPYRIGHT 2008 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract
The objective of this research is to investigate the fast curing effect of phenol-formaldehyde (PF) resin by employing three methods: mixing with novolac phenol-formaldehyde, adding amino-based resin and the use of accelerators. The effects of shorting phenolic resin curing time and adhesion strength were determined. The gelation time of phenolic resin mixed with novolac resin shortened the curing time by 20-50% compared to that of the phenolic resin itself (at 100[degrees]C). The hot-press time of the phenolic resin was considerably lessened by varying the composition of the amino-based resin, but it introduced the problem of low bonding strength of waterproof ...
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