1) polyvinyl acetal
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。
2) polyvinyl formal
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。
3) Polyvinyl butyral
聚乙烯醇缩丁醛
1.
Study and application of polyvinyl butyral resin;
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;
聚乙烯醇缩丁醛(PVB)膜片的历史与发展前景
4) PVB
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。
5) acetalized PVA
缩醛化聚乙烯醇
6) Polyvinyl butyral(PVB)
聚乙烯醇缩丁醛
1.
Phenol - formaldehyde (PF) resin and polyvinyl butyral(PVB) were used as carbon precursor polymer(CPP)and thermally decomposable polymer (TDP),which were with and without carbon residue after heating under an inert atmosphere,respectively.
以酚醛树脂(PF)为原料,聚乙烯醇缩丁醛(PVB)为成孔剂,采用聚合物共混炭化法制备双电层电容器 用多孔炭材料。
2.
A polyvinyl butyral(PVB) which is utterly powder state without any emulsification was obtained by improving synthesis technology for PVB.
通过对聚乙烯醇缩丁醛(PVB)的合成工艺进行改进,并在不加任何乳化剂的条件下,制得了完全粉末状的PVB产品;将其用于夹层安全玻璃的制备,则雾度值为0。
补充资料：聚乙烯醇缩乙醛
聚乙烯醇缩乙醛是由醋酸乙烯以甲醇或乙醇为介质，在过氧化苯甲酰存在下先反应生成聚醋酸乙烯酯，再于甲醇和硫酸存在下水解．加乙醛进行缩醛化、中和、沉淀、过滤、干燥而制得。略带微黄色的颗粒，无臭、无味。相对密度1．35，马丁耐热100 ℃．伸长率5％-10％，吸水性(24h／20℃)1.2%。溶于乙醇、丙酮、甲乙酮、环己酮、醋酸乙酯、二氯乙烷、苯、甲苯等。与酚醛树脂、硝酸纤维素、天然树脂等混溶。对金属、木材、皮革等有很强的粘接能力。
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