提出了一种脲醛树脂合成思路，并合成出游离甲醛含量高于0.3%的树脂。
The paper developed a new synthetic technology of urea-formaldehyde resins, and the content of free formaldehyde was more than 0.3%.
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.
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.
以十八胺、脲醛树脂、膨润土、基础油为原料在水为溶剂条件下合成了一种新型润滑脂。
A new kind of grease was synthesized with octadecylamine, urea formaldehyde resin, bentonite and base oil under the condition of water as solvent.
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。
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.
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。
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.
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.
本文采用三聚氰胺对脲醛树脂进行改性，合成三聚氰胺改性脲醛树脂（MUF），解决预油漆纸耐潮湿性的问题。
This paper aimed at the problem of moisture-resistance performance of finish foil, adopting melamine modified urea formaldehyde impregnated resin to make MUF.
应用胶体理论，在树脂合成过程中期加入改性剂，改性剂添加量为3%，合成了性能良好的低毒改性脲醛树脂胶。
Modifier was added on medium-term of synthetic process with its adding amount being 3%, a favourable low toxic modified UF resin adhesive could be synthesized on the basis of colloid theory.
讨论了苯酚-正丁醇改性脲醛树脂胶粘剂的合成方法。实验表明，采用本方法制得的脲醛树脂胶粘剂各项性能优良。
In the paper, the synthesis method of Urea-Formaldehycle (UF) Resin adhesive modified with phenol and N-butyl alcohol is discussed.
介绍了无毒脲醛树脂胶的合成工艺。
This paper described the synthesis process of Urea-formaldehyde resin adhesive.
通过对脲醛树脂的合成改性，降低了树脂中游离甲醛含量，减小了毒性，加入改性剂后增加了树脂韧性。
Free formaldehyde content in resin is reduced through beetle modification, and the toxicity is thus reduced. The toughness of resin has been increased after adding modifier.
应用主因子分析法探讨了氧化淀粉改性脲醛树脂的合成工艺中，游离甲醛含量、固含量、贮存稳定性、剪切强度等主要技术指标的影响因素。
Primary factor analysis was used in this paper to analyze the factors which affect the main index such as free CH2O content, shear strength, solids content and stability.
应用主因子分析法探讨了氧化淀粉改性脲醛树脂的合成工艺中，游离甲醛含量、固含量、贮存稳定性、剪切强度等主要技术指标的影响因素。
Primary factor analysis was used in this paper to analyze the factors which affect the main index such as free CH2O content, shear strength, solids content and stability.
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