1) Polyvinyl glutaral(PVG) membranes
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聚乙烯醇缩戊二醛膜
3) polyvinyl acetal
![点击朗读](/dictall/images/read.gif)
聚乙烯醇缩乙醛
1.
A kind of highly effective formaldehyde inhibitor,polyvinyl acetal was prepared from acetic acid,ethylene and acetaldehyde.
采用醋酸乙烯酯和乙醛为原料,合成了高效甲醛阻聚剂———聚乙烯醇缩乙醛。
4) polyvinyl formal
![点击朗读](/dictall/images/read.gif)
聚乙烯醇缩甲醛
1.
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。
2.
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。
5) Polyvinyl butyral
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聚乙烯醇缩丁醛
1.
Study and application of polyvinyl butyral resin;
![点击朗读](/dictall/images/read.gif)
聚乙烯醇缩丁醛树脂的研究与应用
2.
Reseach of printing ink linking material made by polyvinyl butyral resin which used in China cypress paper of cigarette filter tip;
烟嘴水松纸用聚乙烯醇缩丁醛树脂油墨连接剂的研制
3.
History and Development Prospect of Polyvinyl Butyral Films;
![点击朗读](/dictall/images/read.gif)
聚乙烯醇缩丁醛(PVB)膜片的历史与发展前景
6) PVB
![点击朗读](/dictall/images/read.gif)
聚乙烯醇缩丁醛
1.
PVB films for laminated safety glass were prepared by using PVB resin as matrix resin,different plasticizers and auxiliaries as additives.
采用胶片级聚乙烯醇缩丁醛(PVB)树脂为基础树脂,选用了不同的增塑剂和助剂,制成了夹层玻璃所用的膜片,分析了工艺流程中各原材料对产品质量的影响。
2.
The basic property, reaction principle, manufacture method and applications of PVB in the safe glass, engineeringplastic, fiber, ceramic bristol paper, aluminum foil paper, adhesive, etc.
概述聚乙烯醇缩丁醛(PVB)的基本性能、反应原理、生产方法及在安全玻璃、工程塑料、纤维、陶瓷花纸、铝箔纸、粘合剂等方面的应用,阐述了我国PVB生产技术改造及向特殊应用领域发展的必要性。
3.
With PVB as modifier of polyacrylate,the paint printing adhesive for fabric was prepared by grafting and blending modification.
采用接枝共混改性法,用聚乙烯醇缩丁醛(PVB)改性聚丙烯酸酯,制得布用印花粘合剂。
补充资料:戊四醇缩醛
分子式:
CAS号:
性质:又称戊四醇缩醛。黄色玻璃体,熔点52~54℃,比水合氯醇味小。溶于水、乙酸乙酯、甲酰胺、乙醇、氯仿、苯,微溶于四氯乙烯和异丙醇。以戊四醇和三氯乙醛为原料,经缩合而制得。本品为催眠、镇静药。
CAS号:
性质:又称戊四醇缩醛。黄色玻璃体,熔点52~54℃,比水合氯醇味小。溶于水、乙酸乙酯、甲酰胺、乙醇、氯仿、苯,微溶于四氯乙烯和异丙醇。以戊四醇和三氯乙醛为原料,经缩合而制得。本品为催眠、镇静药。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条