表面活性剂是酚醛泡沫塑料的重要组成部分。文中探讨了表面活性剂在酚醛发泡树脂中的作用及表面活性剂的选择原则。
The surfactant is an important component of phenolic foam plastics. In the paper, the surfactant effects in phenolic foam resins and the method of choosing surfactant are discussed.
本文通过多次应用实验，采用上海宏伟皮化有限公司皮革涂饰材料，特别是发泡树脂处理牛二层及烂面皮，收到了良好效果，提高了残次应的档次。
The finish materials, especially foam resin from Shanghai Hongwei Leather Chemical Company are used to deal with corrected grain split and defective grain leather.
以不饱和聚酯树脂作为非发泡树脂成型制品的外壳，用聚氨酯树脂发泡形成泡沫芯层，研究了液体反应树脂的旋转模塑发泡成型泡沫夹层制品的工艺过程。
The process of rotational foaming molding of liquid reactive resin was studied, with unsaturated polyester resin as the shell of unfoamed resin moulded part, and polyurethane as foamed core layer.
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