Primarily study on preparation for EVA hot melt adhesive with disproportionated rosin of esterification modified as tackifier;
用酯化改性的歧化松香作增粘剂制备EVA热熔胶的初步研究
Several tackifiers and molding methods used in fiber preform preparation technology were analyzed and summarized, and the development trend of tackified fiber preform preparation was prospected.
总结了20世纪90年代以来关于复合材料液体模塑成型(LCM)技术中纤维预成型体制备技术的相关文献报道,指出LCM用纤维预成型体应满足的工艺性要求,且对当前国内外纤维预成型体的成型方法及其制备技术中应用的几种增粘剂进行了分析和概述,并对纤维预成型体制备技术的发展方向进行了展望。
The shearing stability properties and low temperature properties of four kinds OCP viscosity increaser suitable for use in production of lubricating oil made from Nanyang crude oil are determined.
通过对四种OCP增粘剂的剪切稳定性能、低温性能进行评价,综合考虑确定了南阳原油生产润滑油的增粘剂的种类。