摘要:
A fire proof treatment solution capable of resolving problems, such as low solubility leading to low concentration and hence low combustion inhibiting effect and water solubility leading to a disadvantage of eluviation, of boron compounds used as a constituent of flame retarding treatment solution. In particular, a fire proof treatment solution produced by adding phosphoric acid and a silane coupling agent to a weak acid or weak alkali aqueous metal salt solution containing a boron compound to thereby obtain a mixed aqueous solution and adding a plant extract composed mainly of a polyphenol compound to the mixed aqueous solution. This fire proof treatment solution can be widely applied to members composed mainly of cellulose, such as wood, paper and natural fibers. This fire proof treatment solution can increase the fixation of chemicals to thereby attain a high combustion inhibiting effect and can minimize the occurrence of eluviation.
摘要:
A method of manufacturing noncombustible wood capable of maximizing the amount of noncombustible agent used to impregnate the wood therewith, completely fulfilling the requirements of the Building Standard Law for noncombustible wood, and being manufactured rather easily, comprising three times of drying steps for drying the wood (for example, board material B), two times of decompressing steps for decompressing the wood, two times of decompressed impregnation steps for impregnating the wood with noncombustible treatment agent in decompressed state, and two times of pressurized impregnation steps for impregnating the wood with the noncombustible treatment agent in pressurized state.