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。
Environmentally friendly products - all materials comply with national environmental standards, very low formaldehyde content, product also features natural wood aroma.
环保产品——所有材料符合国家环保标准，甲醛含量极低，产品还具有天然木质的芳香。
The formaldehyde content of wort can be decreased if the malt, adjunct and enzyme was selected with low formaldehyde content and low polyphenol index, and the boiling degree was controled reasonably.
选择甲醛含量和多酚聚合指数较低的麦芽、辅料及酶制剂，糖化控制合理的煮沸强度，可以减少麦汁中的甲醛含量。
In this paper, discussion and investigation were given to the synthetization of etherified hexmethylol melamine with low formaldehyde content. Also , were developed rational technological conditions.
本文介绍了低甲醛六羟树脂的研制过程，对该树脂进行了合成路线探讨和研究，设计了合理的工艺条件。
Improvement on synthesis process and additives was made to develop a new type of resin binder with low content of formaldehyde, high strength and low costs.
为生产出甲醛含量低、强度高、成本低和工艺性强的粘结剂，通过改进合成工艺及添加助剂，研制出了一种低游离醛的树脂粘结剂。
Influence of methanol content in formaldehyde used as raw material for preparing low-formaldehyde (low molecular ratio) UF resin was studied.
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。
This paper introduced a preparation of modified polyvinyl formal adhesive. The adhesive has advantage of low free formaldehyde content, good viscosity stability and low temperature storage stability.
介绍了聚乙烯醇缩甲醛改性胶粘剂的制备方法。该胶粘剂具有粘度高，游离甲醛低，稳定性好的优点。
The adhesive has advantage of low free formaldehyde content, good viscosity stability and low temperature storage stability.
该胶粘剂具有粘度高，游离甲醛低，稳定性好的优点。
A novel method for producing urea formaldehyde resin with intensive viscidity, high solid content and low toxicity is introduced in this report.
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.
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。
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