保温玻璃棉管壳为离心玻璃棉毡施加酚醛树脂粘结剂加温固化成型的筒状保温管材。
Heat insulating glass wool pipe shell is tubular heat insulating tube cured and formed after heating centrifugal glass cotton pad to which phenolic resin adhesive agent is applied.
苯酚、苯基苯酚、尿素与甲醛的反应产物进一步与糖醇缩聚生成新型铸造用改性酚醛树脂粘结剂。
A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.
本文新型CO_2硬化酚醛树脂粘结剂的制备技术以及硬化机理的研究就是为适应这一要求而研究开发的。
Researching on the new producing technique and curing mechanism of CO_2-cured phenolic resin binder in this paper is developed to be meet the requirement.
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