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This paper describes intensity property of joined timber with urea - formaldehyde resin.

本文描述了脲醛树脂胶指接材的强度性能.

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Adding additives can improve properties of urea formaldehyde resin adhesive.

添加外加剂可以提高脲醛树脂胶粘剂性能.

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Meanwhile TG - DSC show furfural to raise the urea - formaldehyde resin resistance foaming.

同时TG -DSC 表明糠醛在一定程度上提高了脲醛树脂的耐热性能.

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A kind of modified low toxic urea - formaldehyde resin was synthesized.

经过大量试验合成了一种低毒改性脲醛树脂.

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The paper studied the preparation of modified urea - formaldehyde resin adhesive with polyvinyl alcohol ( PVA ) and melamine.

研究了聚乙烯 醇和 三聚氰胺改性脲醛树脂胶粘剂的制备工艺和配方.

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By melamine modifying urea - formaldehyde resin the boiling - water resistance is improved and the free formaldehyde content decreased.

用三聚氰胺改性脲醛树脂改善了胶粘剂的耐沸水性,并有效地降低了游离甲醛含量.

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This paper describes the development test of molel plate of larch plywood used urea formaldehyde resin.

本文描述了落叶松脲醛树脂胶合板的开发试验.

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Effect of organic fillers added to Urea - formaldehyde resin adhesives on shear strength and water - resistance was discussed.

主要研究了有机填料对脲醛树脂胶的剪切强度、耐水剪切强度的影响.

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Factors affecting product quality of urea formaldehyde resin adhesive were analysed in details.

详细地分析了影响改性脲醛树脂胶粘剂产品质量的各种因素.

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Microcapsules of pendimethalin with a urea - formaldehyde resin wall were prepared by anon - situ condensation polymerization aqueous medium.

研究了分散、乳化条件及成囊工艺对以脲醛树脂为壁材采用原位聚合法制备二甲戊灵微胶囊状态的影响.

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The preparation and property of urea - formaldehyde resin mocalified by hetero - alcohol oil were introduced.

介绍了杂醇油改性脲醛树脂的制备过程及其性能测试等.

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The melamine - modified urea - formaldehyde resin ( MUF ) for E 1 type MDF was quantitatively examined using the 13 C - NMR spectroscopy.

采用13C-核磁共振定量分析了由选定碱-酸-碱工艺所合成的E1级MDF用三聚氰胺改性脲醛树脂.

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Cypermethrin microcapsules with urea - formaldehyde resin wall were prepared by in - situ polymerization process in aqueous medium.

以水为介质,脲醛树脂为壁材,用原位聚合法制备了氯氰菊酯微胶囊水悬浮液.

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Gain Modified urea formaldehyde resin foam plastics by the carbonic acid hydrogen ammonia.

通过碳酸氢铵发泡法发泡制得开孔改性脲醛树脂泡沫塑料.

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