METHOD OF TREATING WOOD OBJECTS, WOOD OBJECTS TREATED BY THE METHOD AND A MIXTURE FOR USE IN THE METHOD

WIPO Patent Application WO/2014/096558

A3

A method of protecting a wood object against the effects caused by, for example, fire or micro-organisms or insects, and a wood object which is treated with this method, and the treatment mixture and the use of the mixture. According to the present method, the wood object is treated with an active substance, which acts to protect against the unwanted effects of fire and/or micro-organisms or insects. According to the present invention, the active substance is mixed into an agent that increases the hydrophobicity of wood, and the mixture thus generated is applied onto the surface of the wood object at a temperature at which the agent that increases the hydrophobicity is in fluid form, and a coating film is generated onto the treated wood object, after which, finally, hot-pressing is carried out. In the way described, it is possible to migrate the active substance deep into the wood and make it remain there, in which case the washing out of the substance by rainwater is prevented or at least significantly delayed.

SOKKA KASPERI (FI)
HEIKKONEN SAMULI (FI)
SILVENTOINEN ILPO (FI)
LIPPONEN JUHA (FI)

PCT/FI2013/051203

October 02, 2014

December 23, 2013

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METSÄLIITTO OSUUSKUNTA (FI)
SURFACTOR GERMANY GMBH (DE)

B28B7/38; A01N25/02; B27D1/04; B27K3/02; B27K3/34; B27K3/50; B27K5/00; C08H8/00; C09D5/14; C09D5/18; B05D1/28; B05D7/06

WO2009156594A1	2009-12-30
WO2009071745A2	2009-06-11
WO2002098578A1	2002-12-12

DE1909035A1

1970-09-10

SEPPO LAINE OY (Helsinki, FI)

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