Fast advancement and hardening accelerat
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Chunhui Zhao; A. Pizzi; S. Garnier
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Article
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1999
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John Wiley and Sons
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English
โ 391 KB
๐ 1 views
Low-condensation phenol-formaldehyde (PF) resins coreacted under alkaline conditions with up to 42% molar urea on phenol during resin preparation yielded PUF resins capable of faster hardening times than equivalent pure PF resins prepared under identical conditions and presented better performance t