Fixation of boric compound into wood and its influence on the biological resistance

硼化合物在木材中的固定及其对生物抗性的影响

• 批准号: 06660213
• 负责人: TAKAHASHI Munezoh
• 金额: $ 1.28万
• 依托单位: KYOTO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-06660213/
• 关键词: Boric compound; Boric acid; Leaching resistance; Wood-Inorganic Material Composite; Furfurylalcohol; Phenol-resin; Decay resistance; Termite resistance; フェノール樹脂; 耐侯操作; 樹脂; 防腐性能; 防蟻性能; 木材腐朽菌; シロアリ

1 The addition of boric acid at least into the second anion solution improved the biological resistance of wood-inorganic material composites (WIC). Although boric acid is easily leached out from wood in its single treatment, some amount of boric acid remained as an inorganic borate when incorporating the anion solution for WIC production. Inorganic borate and free boric acid aid the effect of deposition of water-insoluble barium hydrogenphosphate in supressing biological attacks.2 Over 25% weight increase (WI) was required to eliminate the biological attacks of wood. Boric acid pretreatment greatly enhanced the biological resistance of furfurylalcohol-treated wood at less than 5% WI.The enhanced biological resistance might be due to embedding of boric acid into the heat-cured furan resin.3 Boric acid pretreatment of wood chips also improved the biological resistance of phenol resin-impregnated particleboard. This also might be embedding of boric acid into the heat-cured phenol resin.

1.在第二种阴离子溶液中至少加入硼酸，可以提高木材-无机材料复合材料的生物抗性。虽然硼酸在其单一处理中容易从木材中浸出，但当掺入阴离子溶液用于WIC生产时，仍有一定量的硼酸以无机硼酸盐的形式保留。无机硼酸盐和游离硼酸有助于水不溶性磷酸氢钡的沉积抑制生物攻击的效果。2需要超过25%的重量增加（WI）来消除木材的生物攻击。硼酸预处理显著提高了含水量小于5%的糠醇处理木材的生物抗性，其原因可能是硼酸嵌入到热固化呋喃树脂中。3硼酸预处理也提高了酚醛树脂浸渍刨花板的生物抗性。这也可能是硼酸嵌入到热固化酚醛树脂中。

项目成果

TAKAHASHI,M.: "Marcel Dekker" Chemical Modification of Lignocellulosic Materials. 370 (1996)

TAKAHASHI,M.：“Marcel Dekker”木质纤维素材料的化学改性。

TOYOSHIMA,I.: "Effect of Boron Compounds on Physiological Function in Termite" Wood Research. No.82. 37-39 (1995)

TOYOSHIMA,I.：“硼化合物对白蚁生理功能的影响”木材研究。

KIRITA,S: "Influence of Boric Acid Addition on the Biological Resistance of Wood-Inorganic Composites by Double Diffusion Treatment" Wood Research. No.81. 25-27 (1994)

KIRITA,S：“通过双重扩散处理添加硼酸对木质-无机复合材料生物抗性的影响”木材研究。

TOYOSHIMA, I.: "Effect of Boron Compounds on Physiological Function in Termite" Wood Research. No. 82. 37-39 (1995)

TOYOSHIMA, I.：“硼化合物对白蚁生理功能的影响”木材研究。

KIRITA. S.: "Influence of Boric Acid Addition on the Biological Resistance of Wood-Inorganic Composites by Double Diffusion Treatment" Wood Research. No.81. 25-27 (1994)

基里塔。