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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The phenol - formaldehyde resin adhesive has good application value and wide application range.
性能的改善提高了酚醛树脂胶粘剂的应用价值,扩大了其使用范围.
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Tiaogan gold oil by phenol - formaldehyde resin, drying oils, oil, etc.
调金油由酚醛树脂 、 干燥油 、 矿物油等组成.
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Tiaogan gold oil by phenol - formaldehyde resin, drying oils, mineral oil, etc.
调金油由酚醛树脂 、 潮湿油 、 矿物油等构成.
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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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We describe here the synthesis and characterization of high ortho - positionphenol - formaldehyde resin ether.
报道了高邻位酚醛树脂酸的合成和表征.
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A new type of brake pad using hybrid fibers reinforced modified phenol - formaldehyde resin matrix was produced.
采用混杂纤维作增强材料并以改性酚醛树脂为基体制成提速列车用的制动闸片.
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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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As a polymer crosslinker, water soluble phenol - formaldehyde resin is widely applied in plugging oil reservoir.
水溶性酚醛树脂作为聚合物的交联剂, 广泛应用于油田的堵水调剖作业.
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The synthetic principle technological conditions. and productive method of urea - phenol - formaldehyde resin adhesive are preliminary probed into.
初步探讨了脲酚醛树脂合剂的合成原理、工艺条件及制造方法.
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However, as the PS version photographicsensitive cutan - alkali poor performance of phenol - formaldehyde resin, caustic etch and dissolved.
然而, 由于PS版的感平胶膜酚醛树脂的耐碱本能机能不差, 很便当施到碱液的浸蚀而凝固.
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