Synthetic Technology of Urea-formaldehyde Resin under Initial Weak Acidity Conditions

弱酸性条件起始合成 脲 醛 树脂的工艺

This study attempts to improve the durability toughness wear-resistance and water tolerance of urea-formaldehyde resin .

本研究旨在提高 脲 醛 树脂的耐久性、韧性、耐磨性以及耐水性。

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。

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。

Removing Free Formaldehyde From Urea-Formaldehyde Resin Adhesive By Means of Fe ~ ( 2 + ) / H_2O_2 Catalytic Oxidation and Its Effects on Performance of the Adhesive

Fe~（2+）/H2O2催化氧化 脲 醛 树脂胶中游离甲醛及其对性能的影响

This paper reviews the domestic and urea-formaldehyde resin and melamine formaldehyde resin production and application status and analysis of the two resins and international research progress .

本论文综述了国内外 脲 醛 树脂和三聚氰胺甲醛树脂的生产和应用现状，并分析了该两种树脂的国内外研究进展。

A new mechanism for urea-formaldehyde resin curing has been proposed .

提出了 脲 醛 树脂固化的新观点。

Study on synthetic process of low toxic urea-formaldehyde resin for bamboo particleboard

竹碎料板用低毒 脲 醛 树脂的合成工艺研究

Synthesis of Low Toxicity Urea-formaldehyde Resin Adhesive and Determination of Free Formaldehyde in Adhesive

低毒 脲 醛 树脂胶的合成及胶液中游离甲醛的测定

PLASTICS AND RESIN : AB ABS emulsion uric acid resin phenolic aldehyde resin urea-formaldehyde resin formaldehyde resin polythene poly-chloroprene and etc.

塑料树脂：AB，ABS乳液、尿 醛树脂、酚醛 树脂、密胶（脲）甲醛树脂、聚乙烯、聚氯乙烯等。

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。通过 调整工艺 参数， 加入改性剂 甲醛 捕 集剂；

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。

A industrial production process of urea-formaldehyde resin adhesive with high adhesive strength and low free formaldehyde content was presented .

介绍一种含游离甲醛低的粘接强度大的工业生产脲 醛 树脂粘合剂的方法。

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。

Effects of preparation technology of urea-formaldehyde resin modified with melamine ( MUF ) on property of plywood were studied .

采用三聚氰胺对 脲醛 树脂进行改性，探讨了改性 脲 醛 树脂的合成工艺对性能的影响。

The paper studies the preparation of urea-formaldehyde resin adhesive modified by polyvinyl alcohol ( PVA ) .

研究了聚乙烯醇改性 脲 醛 树脂胶粘剂的制备工艺和配方。

A series of urea-formaldehyde resin adhesive with low content of free formaldehyde were prepared by modified synthesis process of urea-formaldehyde resin applied melamine as modifier .

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。

Development and application of low viscosity urea-formaldehyde resin grouting material

低黏度 脲 醛注浆加固材料的研制及应用

Urea-formaldehyde resin modified by nano-TiO_2 under ultrasonic treatment

超声波与纳米TiO2改性 脲 醛 树脂 的 研究

The results show that urea-formaldehyde resin can effectively capsulize an organic material of paraffin .

以石蜡为囊芯，尿素 - 甲醛 树脂为囊壁，运用原位 聚合 法合成相变储能微胶囊材料。

The key factor that improves the fire-retardant urea-formaldehyde resin was how to make sure the optimum amount of P800 .

因此，控制阻燃剂P800的添加量是改善阻燃 脲 醛 树脂的关键因素。

Macromolecule polymers : urea-formaldehyde resin PVC .

高分子聚合物： 脲 醛 树脂、PVC。

Study on occurring conditions and reuse of gel in production of urea-formaldehyde resin adhesive

脲 醛 树脂胶粘剂生产中凝胶的产生条件及其再利用研究

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 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。

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E0级、E1级人造板、木地板、家具用 脲 醛 树脂生产。