基本解释:聚乙烯醇缩甲醛
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The polyvinyl formal was prepared via acetalation from polyvinyl alcohol and formaldehyde in water-solution under the condition of pH value was 1.5~2的条件下,以聚乙烯醇和甲醛为原料,在水溶液中发生缩醛反应制备聚乙烯醇缩甲醛胶,然后向胶中添加适量的尿素和分散助剂PAAM/COB,经调配得到新型水溶性聚乙烯醇缩甲醛涂料。Jr7汉语字典
In accordance with the princiole that in acid media the condensation reaction of hydroxylaldehyde is inversible, a way is given for the regeneration of the gel formed in the process of preparing polyvinyl formal.根据在酸性介质中羟醛缩合反应是可逆的原理,对聚乙烯醇缩甲醛的制备过程中出现的凝胶进行再生处理,减少了原料浪费。Jr7汉语字典
This paper introduced how to make a fast-drying emulsion adhesive based on polyvinyl formaldehyde.介绍了一种以改性的聚乙烯醇缩甲醛为基料的强力快干型抗冻乳白胶。Jr7汉语字典
The nonionic poly(vinyl formal) hydrogels with different porosities were synthesized by adding pore-forming agents, their swelling/deswelling behaviors and mechanical properties were measured in order to evaluate the effects of porosity.通过成孔剂法制备不同孔隙率的聚乙烯醇缩甲醛凝胶(PVFM),其具有对含水量变化快速响应的特性,研究其在吸水、脱水过程中孔隙率对体积、质量、力学性能变化的影响。Jr7汉语字典
polyvinyl formal wire聚乙烯醇缩甲醛绝缘线Jr7汉语字典
pelyvinyl formal fibre聚乙烯醇缩甲醛纤维Jr7汉语字典
polyvinyl formal high strength wire coating聚乙烯醇缩甲醛高强度漆包线漆Jr7汉语字典
Modified Polyvinyl Formal Cement Adhesive by Epoxy Resin环氧改性聚乙烯醇缩甲醛水泥胶粘剂Jr7汉语字典
THE PREPARATION AND APPLICATION OF MODIFYING POLYVINYL FORMAL ADHESIVE FOR BUILDING ENGINEERING改性聚乙烯醇缩甲醛胶的合成及应用Jr7汉语字典
PREPARATION OF BAMBOO CHARCOAL/POLYVINYL FORMAL COMPOSITE MATERIAL竹炭/聚乙烯醇缩甲醛复合材料的制备Jr7汉语字典
Preparation of Novel Polyvinyl Formal Composits新型聚乙烯醇缩甲醛复合材料的制备Jr7汉语字典
Preparation of polyvinyl formal foam for vascular intervention用于血管介入聚乙烯醇缩甲醛泡沫材料的制备Jr7汉语字典
Preparation of Poly(Vinyl Formal) Cellular Plastics Modified with Melamine and Its Thermal Property三聚氰胺改性聚乙烯醇缩甲醛泡沫材料的制备与热性能Jr7汉语字典
polyvinyl acetal resin聚乙烯醇缩乙醛树脂Jr7汉语字典
Study on the Factors Affecting Free Formaldehyde in Poly(Vinyl formal) Resin聚乙烯醇缩醛树脂中残留甲醛含量的影响因素Jr7汉语字典
polyvinyl butyral cementing agent聚乙烯醇缩丁醛粘合剂Jr7汉语字典
Exploration and Control of the lnfluecing Factors for the Polyvinyl Formal Acetal Production聚乙烯醇缩甲乙醛工业生产中影响因素的探讨与控制Jr7汉语字典
Study on Application of Crotonaldehyde in Adhesives of Poly (Vinyl Acetals);丁烯醛在聚乙烯醇缩醛胶方面的应用研究Jr7汉语字典
straw green epoxy polyvinyl butyral enamel草绿环氧聚乙烯醇丁缩醛磁漆Jr7汉语字典
The Acetal Formation of Ferrocenyl Aldehyde With Ethylene Glycol Catalyzed by Polystyrene-Lewis Acid Complex聚苯乙烯-路易斯酸复合物催化下二茂铁甲醛与乙二醇的缩醛化反应Jr7汉语字典
Kinetic Study on Production of PVB by Alcohol Method醇法生产聚乙烯醇缩丁醛的动力学研究Jr7汉语字典
Preparation of Water Soluble Polyacetal by Condensation of Polyvinyl Alcohol with Glyoxal水溶性聚乙烯醇缩乙二醛胶粘剂的制备Jr7汉语字典
