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The study analysed the effect of modification of phenolic resin with alkylresorcinols and H2O2 on properties of softwood and hardwood plywood resinated with such modified PF resins. Conducted tests showed that the application of PF resin modified with alkylresorcinols makes it possible to manufacture plywood with improved properties, especially bond quality, than those of the control plywood pressed...
Tests showed that PF resin modification with diol esters makes it possible – when maintaining identical pressing parameters – to manufacture particleboards with improved mechanical properties and enhanced water resistance in comparison to the control board resinated with pure PF resin. The application of diol esters as modifiers of phenolic resin makes it also possible to produce – at reduced temperature...
The study investigated properties of particleboards resinated with PMDI modified with polyethylene glycols with varying molar masses (PEG 200 and 400). The conducted investigations showed that PMDI resin modification with both PEG 200 and PEG 400 causes an increase in mechanical properties of manufactured boards. In turn, modulus of elasticity decreases with an increase in plasticity of the modified...
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