| 玉米淀粉改性UF树脂胶合高含水率单板 |
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| 引用本文： | 时君友.玉米淀粉改性UF树脂胶合高含水率单板[J].木材工业,2005,19(5):13-16. |
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| 作者姓名： | 时君友 |
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| 作者单位： | 北华大学,吉林,132013,吉林 |
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| 摘 要： | 采用半酯化的玉米淀粉与脲醛树脂(UF)共聚改性,探讨加入量、脲醛树脂的量比、混合比、热压条件等对胶液的黏度、稳定性、固化时间及胶合质量的影响.结果表明:当单板含水率提高到16%～18%时,用改性UF树脂生产的多层胶合板,其物理力学性能指标达到GB/T 9846.1～12-88中Ⅱ类胶合板的要求,并大幅度地降低了胶合板的制造成本.
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| 关 键 词： | 玉米淀粉 酯化 脲醛树脂 高含水率单板 胶合 |
| 文章编号： | 1001-8654（2005）05-0013-04 |
| 收稿时间： | 2005-02-25 |
| 修稿时间： | 2005-02-252005-08-23 |
Gluing High Moisture Content Veneer with Corn Starch Modified UF Resin |
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| SHI Jun-you.Gluing High Moisture Content Veneer with Corn Starch Modified UF Resin[J].China Wood Industry,2005,19(5):13-16. |
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| Authors: | SHI Jun-you |
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| Abstract: | Generally, moisture content of veneer for plywood bonded with conventional UF resin is required to be less than 80/00. In this study, UF resin was modified by copolymerization with semiesterified corn starch. Effects of amount of semi-esterified corn starch, molar ratio of UF resin, mixture proportion and hot-pressing parameters on glue properties, such as viscosity, stability, curing time and bonding quality, were investigated. The results showed that when moisture content was increased to 16%~18%, physical and mechanical properties of the plywood conformed with the standard of GB/T 9846. 1-12-88 and manufacturing cost of the plywood could be reduced. |
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| Keywords: | corn starch esteritication UF resin high moisture content veneer gluing |
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