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。
This paper described the synthesis process of Urea-formaldehyde resin adhesive.
介绍了无毒脲醛树脂胶的合成工艺。
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。
Those factors occurred in the synthetical technics of modified urea-formaldehyde resin with starchy oxide.
结果表明：脲醛比、淀粉种类和氧化程度是影响游离甲醛含量和固含量的主要因素；
The theoretical researches on urea-formaldehyde resin and its practice in wood industry were reviewed in detail.
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。
This artical presents the productive technology and formulae of urea-formaldehyde resin used in bamboo mould plate.
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。
The results showed that modifier could greatly decrease the content of free formaldehyde of urea-formaldehyde resin.
结果表明，改性剂的添加对降低脲醛树脂胶粘剂的游离醛含量有显著的效果。
The effect of ethanol, urea-formaldehyde resin, melamine and flame retardant of resistance to water and fire 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 amount of formaldehyde emission of plywood was declined obviously by using modified urea-formaldehyde resin adhesive.
使用改性脲醛胶粘剂可以明显降低人造板的甲醛释放量；
The water solubility of urea-formaldehyde resin is evaluated by the stability of resin solution and the water diluted solution.
通过树脂液及水稀释液的稳定性来研究脲醛树脂的水溶性。
A novel environmental protective urea-formaldehyde resin and a preparation method belong to the field of wood processing adhesives.
一种新型环保脲醛树脂及制备方法属木材加工的胶粘剂领域。
The water resistant low formaldehyde content urea-formaldehyde resin was prepared by adding hydrophobic resin and formaldehyde collecting agent.
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。
Microcapsules of pendimethalin with a urea-formaldehyde resin wall were prepared by an in-situ condensation polymerization reaction in 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制备二甲戊乐灵微胶囊状态的影响。
Based on the experimental Studies, a new kind of expansion anti-fire coating was manufactured, which is made mainly of cheaper urea-formaldehyde resin.
在实验研究基础上，提出以廉价的脲醛树脂为基料，辅以相关助剂制取膨胀型防火涂料的新方法。
The effect of modified hide glue agent on the bonding property of urea-formaldehyde resin was studied to improve the application performance of UF resin.
研究了化学改性皮胶加入脲醛（UF）树脂对胶合性能的影响，旨在提高普通脲醛树脂应用性能。
For the production of non-wood based panel, wood based panel, and furniture used urea-formaldehyde resin with the E0 class, E1 class formaldehyde released.
用于生产甲醛释放量为E 0级、E1级人造板、木地板、家具用脲醛树脂生产。
Two parts were included in this study, Microencapsulation of rose perfume with urea-formaldehyde resin wall were prepared by in-situ method in the first part.
本文研究工作分为两部分，第一部分是用原位聚合法以脲醛树脂为壁材制备缓释型香精微胶囊。
A transparent dilatant fireproof coating was prepared, based on a modified urea-formaldehyde resin as binder, and phosphoric acid and starch as fire retardant.
以改性脲醛树脂为基料，磷酸和淀粉为阻燃剂制得膨胀型透明防火涂料。
A transparent dilatant fireproof coating was prepared, based on a modified urea-formaldehyde resin as binder, and phosphoric acid and starch as fire retardant.
前言：以改性脲醛树脂为基料，磷酸和淀粉为阻燃剂制得膨胀型透明防火涂料。
Adding amylum or oxidized amylum in the synthesis process of low toxic urea-formaldehyde resin can improve pre-press capability and bonding strength of plywood.
在低毒脲醛树脂胶粘剂合成过程中加入淀粉或氧化淀粉，能有效地改善胶合板板坯的预压性能和胶合板的胶接强度。
The three main adhesives for artificial plate are urea-formaldehyde resin adhesive, phenolic-formaldehyde resin adhesive and melamine-formaldehyde resin adhensive.
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。
Objedtive: To explore the technological conditions about preparing for microcapsules with an urea-formaldehyde resin as wall and with cypermethrin as core material.
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。
High density door: the material is wooden fiber or other plant fiber, and the synthetic door is made by the applied urea-formaldehyde resin or other applicable adhesive.
高密度门：是以木质纤维或其他植物纤维为原料，施加脲醛树脂或其他适用的胶粘剂制成的人造板材门。
The urea-formaldehyde resin was made from industrial 36% formalin and 46% N carbamide in the laboratory. The urea-formaldehyde resin was used to imbed the insect specimens.
本文探讨了在实验室条件下利用工业用36 ％甲醛和含氮46％ 农用尿素合成脲醛树脂包埋昆虫标本的方法。
As a matrix of wood composite, urea-formaldehyde resin has been used extensively, and the relationship between its structure and performance is also one focus for enterprises.
作为木质复合材料基体而被广泛使用的脲醛树脂，其结构与性能之间的关系，一直是企业界所关注的焦点。
So the formaldehyde level of urea-formaldehyde resin was improved by many kinds of quaternary ammonium salt and its mechanism was analyzed by XRD, FTIR and SEM in the experiment.
为此，试验以多种季铵盐改性蒙脱土，对脲醛树脂游离甲醛释放量进行改进，并借助XRD，红外，电镜分析其机理。
This article makes a deep study of formulated JN-90 low toxic urea-formaldehyde resin with different filler and extender and manufactured board using different tree species veneer.
就JN—90低毒性脲醛树脂胶铁调胶与不同树种单板的制板工艺进行了深入研究。
The powder adhesives of melamine modifying urea-formaldehyde resin is applied more widely, the properties are better than the liquid of melamine modifying urea -formaldehyde resin.
三聚氰胺改性脲醛树脂粉体胶粘剂应用更广泛，性能更可靠。
Effects of purity of raw materials, molar ratio of urea and formaldehyde, reaction temperatures and reaction time on the properties of urea-formaldehyde resin adhesive were studied.
研究了树脂合成过程中原材料纯度、尿素和甲醛的摩尔比、反应温度以及反应时间等对粘度和固含量等性能的影响。
The abamectin microcapsules were prepared by in-situ polymerization process in this work, with melamine-formaldehyde resin and urea-formaldehyde resin as wall materials respectively.
采用原位聚合法，分别使用脲醛树脂和蜜胺树脂两种囊壁材料对生物农药-阿维菌素进行了微胶囊包覆。
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