the phenol formaldehyde resin carbon micro-spheres with the small particle sizes, which are synthesized by using the method, show high reversible capacity and rate capability; the specific discharge capacity of the phenol formaldehyde resin carbon micro-spheres is 350mAh/g-190mAh/g at 50mA/g-1A/...
Polyacrylamide and water-soluble phenol-formaldehyde resin can produce crosslinking reaction to generate the movable gel, which can be used in deep profile control to enhance oil recovery. In this paper, the preparation process of water-soluble phenol-formaldehyde resin crosslinking agent (polyhydroxyme...
PHENOL-FORMALDEHYDE RESINSADHESIVESINSULATION BOARDSMINERAL WOOLExtensive laboratory investigations and mill scale trials confirmed the applicability of ultrafiltrated high molecular weight Ca-ligno-sulfonates in adhesive composition with phenolic resin for insulation board manufacture based on mineral wool. ...
The phenol - formaldehyde resin adhesive has good application value and wideapplication range. 性能的改善提高了酚醛树脂胶粘剂的应用价值,扩大了其使用范围. 互联网 Theapplication rangeof the annulus centrifugal flowmeter is also provided. 给出了该流量计的使用范围. ...
The phenol - formaldehyde resin adhesive has good application value andwide applicationrange. 性能的改善提高了酚醛树脂胶粘剂的应用价值,扩大了其使用范围. 互联网 TV tracking has found awide applicationin various weapon systems. 电视跟踪在各种武器系统中得到越来越广泛的应用. ...
In this synthesis, resol phenol-formaldehyde resin (PF resin) and alumina sol were respectively used as the carbon and alumina precursors and triblock copolymer Pluronic F127 as the template. N2-adsorption measurements, X-ray diffraction, and transmission electron microscopy revealed that, with an ...
A urea-formaldehyde resin paraffin microcapsule was prepared by in-situ polymerization with urea-formaldehyde resin as shell material and a mixture consisting of liquid paraffin,octadecane and solid paraffin with a mass ratio of 1:1:1 as core material,and then characterized by infrared spectroscopy ...
The preparation method for phenolic resin modified by epoxy vegetable oil comprises: putting thephenol, formaldehyde and nontoxic acid catalyst into a reactor; controlling temperature and holding for 1-8h; cooling to room temperature to obtain the coarse phenolic resin; transferring the coarse product...
Preparation of 2.1.2.1 phenolic macromolecular condensate The synthesis process of phenolic resin is relatively mature. In this study, using alkali as catalyst, the molar ratio of phenol to formaldehyde is 1: 1.5, and the reaction temperature is ...
Quantitative separation of the alkali metals by cation-exchange chkomatography with bio-rex 40 resin : Application to silicate analysis The application of BIO-REX 40, a phenolformaldehyde resin, to the quantitative separation of Li, Na, K, Rb and Cs is described. All five elements can be ...