Water-based water repellents for treatment of wood

IRG/WP 3446

I G Svensson, G Hägglund, I Johansson, W B Banks

The water uptake by wood can be reduced by treatment with a water repellent. The water repellents most commonly used are solvent based. In the present work a new type of water repellent that is water-based has been investigated. Two different treatments have shown an effect of the same order as a commercial solvent based product. The cellular distribution of the water repellents has been investigated and for one of the formulations a more uniform distribution can be seen at the impregnated surface. Use of water as a solvent would be advantageous due to lower cost and non-toxicity.


Keywords: WATER REPELLENTS; AUTORADIOGRAPHY; DISTRIBUTION; WEATHERING; PINUS SYLVESTRIS; WEATHER-O-METER; CELL WALL; WATER UPTAKE

Conference: 87-05-17/22 Honey Harbour, Ontario, Canada


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