F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 3/02 (2006.01) B27K 1/00 (2006.01) B27K 5/00 (2006.01) F26B 7/00 (2006.01)
Patent
CA 2162374
The invention concerns a method for improving the resistance of cellulosic products against mould and decay as well as for enhancing the dimensional stability of the products. According to the method the cellulosic products are subjected to a heat treatment which is carried out at an elevated temperature. According to the invention the products are dried to a humidity of less than 15 %, and then they are kept in moist atmosphere at a temperature of at least about 150 °C for typically 2 to 10 hours until a weight loss of at least 3 % has been obtained.
Ek Pentti
Jamsa Saila
Viitanen Hannu
Viitaniemi Pertti
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Valtion Teknillinen Tutkimuskeskus
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