Foamable composition for creating a barrier to prevent attack of

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524487, C08L 7504

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active

058046410

ABSTRACT:
A barrier to protect wood materials for house construction or wooden structures such as houses from humidity, moisture and/or biological attacks, such as wood decaying fungi and termites, is disclosed. The method is to treat wood itself or, preferably, the ground surface under the floor with a liquid containing a synthetic resin emulsion and an anti-fungal and wood-preservative agent and/or a pesticide such as termite-controlling agent, and further, a foaming agent. The barrier contains a selected copolymer of vinyl acetate and a polyurethane polymer.

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Higaki, "Clean Barrier Methods and its effects" Env. Management Tech. vol. 5, No. 4, 191-198 (1987).

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