A dipping solution used for functional modification of rubberwood timber

A dipping solution used for functional modification of rubberwood timber is disclosed. The dipping solution is prepared by mixing following components by weight: 2-30% of alkaline silica sol calculated based on silicon dioxide, 2-30% of water-soluble urea-formaldehyde resin, 0.2-20% of a waterproof agent, 0.05-3% of a silane coupling agent and 1-5% of borax, with the balance being water. The dipping solution adopts combination of inorganic components and organic components. Wood cell walls are covered with an inorganic-organic glue layer formed by the dipping solution so as to form a separating layer on the surface of wood fiber, so that the timer has functions of corrosion resistance, insect prevention, flame retardance, waterproofness, and the like. Components of the dipping solution are free of self-polymerization at room temperature, thus meeting production requirements. The dipping solution is high in binding capability with rubberwood and high in loss resistance. Obtained modified timer is good in stability, high in waterproofness, good in corrosion resistance and good in flame retardance. Economic value of the rubberwood is increased.