Dicyanate/novolac epoxy matrix was developed for hot-melt fiber winding process.
根据纤维热熔缠绕要求,研制出工艺适用的改性氰酸酯树脂基体。
EU-SCF has strictly limited the usage of novolac glycidyl ether (NOGE) and its derivatives in coating of the food can.
欧盟食品科学委员会已严令限制食品罐内涂料中的酚醛清漆甘油醚(简写NOGE)及其衍生物的使用。
The results of IR showed that the as-prepared novolac was target and the relative proportion of o-methylene and p-methylene.
通过红外光谱确认为目标产物,并通过特征峰的峰强度计算得到亚甲基中邻位结构和对位结构的相对比例;
Phenolic resin-based spherical activated carbon (PHSAC) was prepared successfully by adding ferrocene into novolac-type phenolic resin.
通过在酚醛树脂中添加有机金属二茂铁的方法,制备出含有大量中孔的酚醛树脂基球形活性炭(PHSAC)。
The content of the hydrolyzable chlorine ino -cresol -novolac epoxy resin (ECN) is an important factor which influences the quality of the resin.
ECN树脂中的可水解氯含量是决定树脂质量的—个重要指标。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis.
试验表明,采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis .
试验表明,采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
Novolac was one of the resins forming the image films of computer to plate (CTP), and it's character directly determined the sensitivity of the CTP plate.
线性酚醛树脂是热交联型计算机直接制版版材的成膜树脂之一,它的性质对版材的灵敏度有很大影响。
Novolac cyanate ester monomer is synthesized by a modified phenol-cyanogen bromide method. The product is characterized by FTIR, gel-time and TGA analysis.
采用改进的酚-溴化氰法合成了酚醛型氰酸酯单体树脂,并用红外、凝胶实验及热失重分析(TGA)对其进行了结构和性能的表征。
There are a lot of studies on modification of epoxy with silicone domestic and abroad, but few studies on modification of novolac with silicone are searched.
国内外对有机硅改性环氧树脂进行了大量的研究,但对有机硅改性酚醛环氧树脂的研究较少。
Novolac cyanate ester resin is one of the high ablative-resisting polymer based materials. It also has superior heat-resistance, dielectric and mechanical properties.
酚醛型氰酸酯树脂是耐烧蚀性能最好的树脂材料之一,它具有优异耐热性和介电性能,同时又具有一定力学性能。
The effect of different bisphenol A (BPA) contents on the properties of novolac resins was studied by microwave synthesis method, and the molecular structures of the resins were analyzed.
在微波合成的基础上,研究不同双酚A(B PA)加入量对热塑性酚醛树脂性能的影响,并对树脂的分子结构进行分析。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
采用化学改性法,选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应,合成了一种在分子结构上既具有环氧基团,又具有亲水性基团的改性树脂。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
采用化学改性法,选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应,合成了一种在分子结构上既具有环氧基团,又具有亲水性基团的改性树脂。
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