The invention provides a biodegradable, flushable ostomy bag liner including: inner walls (3, 4) formed from polyvinylacetate/polyvinylalcohol film of a grade which disintegrates within 60 seconds in water at 50掳 C., but retains its structural integrity in water at 25掳 C. for at least two...
Polyvinyl acetateis used largely forcoating applications,13,53but the derivativepolyvinyl alcoholwill, provided there are some residual acetate groups, dissolve in water. Reaction products of polyvinyl alcohol with aldehydes such as polyvinyl formal andpolyvinyl butyralare also commercially available materials...
polyvinyl acetate 英[ˌpɔliˈvainil ˈæsiˌteit] 美[ˌpɑliˈvaɪnəl ˈæsɪˌtet] 释义 n. 多乙酸乙烯酯; 聚醋酸乙烯; 聚乙酸乙烯酯 实用场景例句 全部 Polyvinyl acetate emulsion was synthesized by semi - continuous emulsion polymerization method. 采用半连续乳液聚合的...
The feasibility of the application ofpolyvinyl alcohol( PVA ) to printed wiring board was studied. 研究了PVA在电路板印刷的应用可行性. 互联网 The polyvinyl acetate andpolyvinyl alcoholused are ideal restoring materials obtained by numberless screening. ...
相关推荐 1关于 用氢氧化钠(NaOH)作为催化剂,聚醋酸乙烯酯(polyvinly acetate) 转化为 聚乙烯醇(polyvinyl alcohol)的原理是什么?关于下面这个网站的实验: 2 关于 用氢氧化钠(NaOH)作为催化剂,聚醋酸乙烯酯(polyvinly acetate) 转化为 聚乙烯醇(polyvinyl alcohol)的原理是什么? 关于下面这个网站的实验: ...
The meaning of POLYVINYL ALCOHOL is a colorless synthetic polymer that has the chemical structure H(CH2CHOH)nH and that is used especially in adhesives, films, and fibers, and in biomedical applications especially as hydrogels —called also PVA. How to u
15.The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening. 聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料. 16.The result showed that titanate modificator is better than siloxane and PVA ( polyvinyl alcohol ) . 实验表明,钛酸酯的表面修饰效...
polyvinyl acetate是什么意思 n. 多乙酸乙烯酯 聚醋酸乙烯 聚乙酸乙烯酯 polyvinyl acetate英英释义 noun a synthetic polymer that has the chemical structure H(CH2CHOOCCH3)nH and that is used especially in adhesives, coatings for paper and textiles, and in the production of polyvinyl alcohol He sai...
polyvinyl acetate 美 英 un.聚醋酸乙烯酯;聚醋酸乙烯脂 英汉 网络释义 un. 1. 聚醋酸乙烯酯 2. 聚醋酸乙烯脂 例句 释义: 全部,聚醋酸乙烯酯,聚醋酸乙烯脂
Phrases Containing polyvinyl polyvinyl acetate polyvinyl alcohol polyvinyl chloride Dictionary Entries Near polyvinyl polyvalent polyvinyl polyvinyl acetal See More Nearby Entries Cite this Entry Style “Polyvinyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/...