还对脲醛树脂的分子结构进行了分析研究。
The analytic study was also made on molecular structure of urea-formaldehyde resins.
本文描述了脲醛树脂胶指接材的强度性能。
This paper describes intensity property of joined timber with urea-formaldehyde resin.
经过大量试验合成了一种低毒改性脲醛树脂。
A kind of modified low toxic urea-formaldehyde resin was synthesized.
介绍了降低脲醛树脂毒性,并延长其贮存期的方法。
The paper states the ways of reducing the poison of urea-formaldehyde and extending its storing time.
从脲醛树脂生成机理出发,介绍了脲醛树脂的低毒改性技术。
Based on reaction mechanism of UF, low toxic and modified technology of UF were discussed.
通过适当的原料配方和特定的工艺对脲醛树脂进行了改性研究。
The development of modifying for FU Resin has been made by means of the suitable prescription and under given conditions.
采用加入疏水性树脂和甲醛捕捉剂的方法对脲醛树脂进行了改性。
The water resistant low formaldehyde content urea-formaldehyde resin was prepared by adding hydrophobic resin and formaldehyde collecting agent.
讨论了乙醇改性的脲醛树脂结构,以及防火剂的组成及其作用机理。
The structure of modified urea resin, composition of fire retardant and its mechanism were discussed.
试验结果表明:固化体系不同,脲醛树脂的甲醛释放量有很大差别。
Experimental results showed formaldehyde emission values of the same UF resin in different curing system were various.
本文对竹胶板模板用脲醛树脂胶的生产工艺和配方试验研究做了介绍。
This artical presents the productive technology and formulae of urea-formaldehyde resin used in bamboo mould plate.
研究了原料甲醛中甲醇含量对低醛化(低摩尔比)脲醛树脂性能的影响。
Influence of methanol content in formaldehyde used as raw material for preparing low-formaldehyde (low molecular ratio) UF resin was studied.
研究了乙醇、脲醛树脂、三聚氰胺和阻燃剂对涂料耐水、阻燃性能的影响。
The effect of ethanol, urea-formaldehyde resin, melamine and flame retardant of resistance to water and fire was studied.
介绍一种粘结强度大、固含量高、低毒环保型的脲醛树脂粘合剂的合成方法。
A novel method for producing urea formaldehyde resin with intensive viscidity, high solid content and low toxicity is introduced in this report.
研究了脲醛树脂胶粘剂的改性及制板工艺对脲醛胶人造板甲醛释放量的影响。
The effect of modification of urea-formaldehyde(UF) resin and production technology of plywood on the amount of formaldehyde emission were studied.
以乙醇改性的脲醛树脂为基料,磷酸和淀粉为防火剂制成膨胀型透明防火涂料。
A dilative transparent fireproof coatings were based on ethanol modified urea resin as binder, phosphoric acid and starch as fire retardant.
人造板工业使用的三大胶是脲醛树脂胶、酚醛树脂胶和三聚氰胺-甲醛树脂胶。
The three main adhesives for artificial plate are urea-formaldehyde resin adhesive, phenolic-formaldehyde resin adhesive and melamine-formaldehyde resin adhensive.
此种新开发的脲醛树脂,采用特定的先进合成工艺和加入两种改性剂研制而成。
The new urea formaldehyde resin for plywood was developed, by using a specifically designed, advanced synthesis process with two modifiers added in its final stage.
同时采用脲醛树脂对植物纤维进行表面处理,有效地改善了复合材料的物理性能。
Meanwhile, the mechanical properties of plant fiber cement-based composite materials have been effectively improved through treating the surface of plant fiber by urea-formaldehyde resin.
对脲醛树脂的理论研究及其在木材工业中的实际应用进行了较全面的概括和评述。
The theoretical researches on urea-formaldehyde resin and its practice in wood industry were reviewed in detail.
用经酶处理后的麦秸作原料,可以压制出性能较好的脲醛树脂胶合的麦秸刨花板。
The better property of wheat straw particleboard bonded UF can be produced with the raw material of wheat straw disposed by enzymes.
目的:探讨以脲醛树脂为壁材,以氯氰菊酯为囊芯物制备聚脲微胶囊的工艺条件。
Objedtive: To explore the technological conditions about preparing for microcapsules with an urea-formaldehyde resin as wall and with cypermethrin as core material.
对脲醛树脂胶的贮存稳定性随p H值的变化进行研究,以指导生产,提高产品的适用。
The storing stability of urea formaldehyde resin adhesive with the change of PH value is researched in attempt to guide the production and imporove the application for products.
本文主要介绍了二次甲醛投料对脲醛树脂性能的影响以及提出选择生产工艺的最佳方案。
This paper mainly presents the effect of secondary adding formaldehyde on the properties of UF Resin and puts forward the best way to select the producing technology.
研究了改善脲醛树脂胶粘剂耐水性与稳定性的方法,讨论了复合改性剂与稳定剂的添加量。
Approach to improve water resistance and stability of UF resin adhesive is studied and amount of addition of composite modifier and stabilizer discussed.
介绍了用三聚氰胺、木薯淀粉等改性5011脲醛树脂的反应原理,生产方法及质量标准。
It introduces melamine starch and other modifier modified the theory production method and quality standard of 5011 urea - formaldehyde adhesive.
研究了分散、乳化条件及成囊工艺对以脲醛树脂为壁材制备二甲戊乐灵微胶囊状态的影响。
Microcapsules of pendimethalin with a urea-formaldehyde resin wall were prepared by an in-situ condensation polymerization reaction in aqueous medium.
综述了三聚氰胺对脲醛树脂、酚醛树脂的改性以及改性三聚氰胺在涂料、板材等方面的应用。
The modifications of urea resin and phenolic resin by melamine, and the applications of modified melamine to coating and board are reviewed.
介绍了该涂料的配方和配制工艺。讨论了脲醛树脂用量和酸固化催化剂对涂膜性能的影响。
The formulation and production process of this coatings were given, and factors influencing the film properties, such as level of urea - formaldehyde resin and acid curing catalyst were discussed.
弱酸性条件下合成脲醛树脂的工艺不仅能降低生产成本,还能生产性能优异的脲醛树脂胶黏剂。
The synthetic technology of UF resins under weak acidity condition could reduce the production cost and produce UF resin adhesive with excellent performances.
弱酸性条件下合成脲醛树脂的工艺不仅能降低生产成本,还能生产性能优异的脲醛树脂胶黏剂。
The synthetic technology of UF resins under weak acidity condition could reduce the production cost and produce UF resin adhesive with excellent performances.
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