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AbstractShell molding of phenol formaldehyde resin coated sand has been widely used in foundry and with prospective future. 酚醛树脂覆膜砂壳法工艺已广泛地应用于铸造生产，并有着广阔的前景。
A modified phenol formaldehyde resin with high thermal stability was prepared from tung oil,maleic anhydride(MA)bismaleimide(ABMI),and phenol formaldehyde resin(PF). 以桐油、马来酸酐、双马来酰亚胺及酚醛树脂为基本原料,合成了具有较好耐热性的桐油酸酐酰亚胺酚醛树脂。
The quantitative of firming agent, blister and surface active agent was optimized and suitable mixture ration was acquired, based on phenol formaldehyde resin. 以酚醛树脂为原料制取吸水树脂,考查了固化剂、发泡剂和表面活性剂的用量,优化得到不同组分合适的配比。
Cheap and renewable lignin can be used to replace non-renewable and poisonous phenol and formaldehyde in the production of lignin-modified phenol formaldehyde resin adhesive. 利用价廉、可再生的木质素代替不可再生且有毒的苯酚、甲醛制取木质素改性酚醛树脂胶。
Yang photoptic graphics PS layer of Filmer is a phenol formaldehyde resin by baking at home by obfd into a conformation to enhance all part of fluecured wear-, are available for improving the plates. 不阴图型PS版感陡层的不败膜剂是由甲苯酚家醛树脂不纬烘烤后，由线型变不败体型布局，增强了图文局部的耐磨性，因此烤版可提矮耐印力。
The board is made from hot pressing the mat and is sanded through fixing thickness,and it is overlaid by phenol formaldehyde resin paper impregnated and covered by phenol formaldehyde resin. 将制成的板材定厚砂光,分别进行酚醛树脂浸渍纸面和涂膜试验,结果表明:浸渍纸贴面工艺和涂膜工艺竹木复合混凝土模板的物理力学性能好、板面色差和厚度偏差小,都适于做为高档的混凝土模板;
The techniques for liquefying wood with a small amount of phenol and preparing phenol formaldehyde resin from phenolated wood (PWF) were studied. 研究用少量的苯酚液化木材及其产物用于胶粘剂制备的方法,在硫酸催化剂作用下,用苯酚液化杉木木粉,得到木材液化产物。
Cardanol modified phenolic formaldehyde resin was synthesized by using phenol 100 phr,cardanol 40 phr and adding an additive agent. 用100份苯酚(以质量计),加入40份腰果酚,并加入一种助剂合成腰果酚改性酚醛树脂。
The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed. 本文研究了用酚化木材制备酚醛树脂的技术,并对其性能进行分析。
lignin phenol formaldehyde resin 木(质)素苯酚甲醛树脂
sulfonated phenol formaldehyde resin 磺化酚醛树脂
P-tert butyl phenol formaldehyde resin 叔丁酚甲醛树脂
MPF Melamine phenol formaldehyde resin 三聚氰胺一酚甲醛树脂
coduetive phenol formaldehyde resin 导电酚醛树脂
alkaline phenol formaldehyde resin 碱性酚醛树脂
novolac phenol formaldehyde resin 热塑性酚醛树脂
sulfomethylated phenol formaldehyde resin 磺甲基酚醛树脂
Study of polyurethane modified phenol formaldehyde resin 聚氨酯改性酚醛树脂的研究
Keywords ramie;phenol formaldehyde resin;composite;mercerization; 苎麻;酚醛树脂;复合材料;碱处理;
Keywords Corrosion;Adhesive;Phenol formaldehyde resin;2-naphthol; 腐蚀;粘结剂;酚醛树脂;2-萘酚;