The effect of long-time storage of PRF resin on its physical and chemical properties
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2016, Vol 96, Issue 1
Abstract
The effect of long-time storage of PRF resin on its physical and chemical properties. Phenol- resorcinol-formaldehyde resin was subjected to 21-month storage and its physical and chemical properties, as well as bondline shear strength made on solid beech wood were observed. It was found that – throughout the experiment – viscosity increased from 3300 to 112000 mPas and gel time at 20°C shortened from 75 to 14 minutes. Microscopic analysis revealed no forming of inhomogeneous solid particles in the resin. The mechanical properties of the bondlines made of the aged resin remained unchanged during 21-month storage. Keywords:
Authors and Affiliations
ANNA ROMANOWSKA, MARIUSZ MAMIŃSKI
Keywords
Related Articles
- EP ID EP362298
- DOI -
- Views 47
- Downloads 0
Material, Structural and Technological Analysis of Reconstructed Marquetry Door of 18th Century Boulle Style Bracket Clock from the Museum of King Jan III's Palace at Wilanów
In the 18th century, one of the most popular elements of interior design and furniture often ornamented with Boulle style marquetries were precisely clocks. The purpose of this work was to analyse the materials, structur...
Аспекты влияния органо-минеральных покрытий на огнестойкость древесины
Aspects influence of organo-mineral ceiling on fire wood. The results of studies and wood burning fire protection established influence on the rate and depth of charring, and correspondingly to reduce the working section...
The effect of current signal filtering method on the value of cutting power while sawing wood
The effect of current signal filtering method on the value of cutting power while sawing wood. The goal of this work was to investigate an effect of various signal pre-processings on the outline of the electrical power c...
Analysis of risk assessment at workstations in wood processing plant
Analysis of risk assessment at workstations in wood processing plant. The study analyzes occupational hazards connected with particular workstations in a wood processing plant. Workstations selected for the analysis incl...
The impact of the pine annual ring width on the screw withdrawal resistance
This paper presents investigation of the impact of the pine wood (Pinus sylvestris L.) annual ring width on the screw withdrawal resistance. For tests samples made of 2-layer laminated pine wood were used: Solid lam and...