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- peroxy ketal 过氧缩酮
- Traditional ketal, esterification industrial use of concentrated sulphuric acid as a catalyst. 传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂。
- We investigate the bleaching of neutral sulfite reed pulp by peroxy acetic acid (PAC). 对过醋酸(PAC)漂白中性亚硫酸盐苇浆进行了实验研究。
- Catalytic synthesis of ketal by urushiol-formaldehyde neodymium polymer from cyclohexanone and ethanediol was studied. 以环己酮和乙二醇为原料,漆酚缩甲醛钕聚合物为催化剂合成了环己酮乙二醇缩酮。
- This paper reviewed the research development and systhesis of acetals and ketal flavors. 综述了缩醛(酮)反应的研究进展,重点介绍了缩醛(酮)类香料的合成方法。
- The results showed that sulfamic acid is an excellent catalyst for synthesis of acetophenone cylic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮。
- Result There was no significant difference in disinfecting effect between 2% intensified Glutaraldehyde group and 0.5% peroxy acetic acid (P>005). 结果2%25强化戊二醛与05%25过氧乙酸比较,在不同的时间段,消毒效果差异无显著意义(P>005);
- Construction/introduction of the peroxy bond is the key (and the most difficult) step in the synthesis of organic peroxides. 形成／引入过氧键是合成有机过氧化物的步骤和难点所在。
- This article reported a new synthetic method of 2,5 dimethyl 2,5 di( t butylperoxy)hexane, one of the peroxy organic compounds. 报道一种有机过氧化物 2 ,5 -二甲基 -2 ,5 -双 (叔丁过氧基 )己烷 (简称双 2 5 )的合成新方法。
- Ketal compounds are superior to mother-of floral, fruit incense smell, is a new type of spices, widely used in daily food and fragrance. 缩酮化合物具有优于母体酮的花香、果香气味，是一类新型合成香料，广泛应用于食品和日用香精。
- Tianjin Xinyuan Chemical Co.,Ltd. was established in 1995, mainly developing perchloric acid ,perchlorate and peroxy acetic acid serial products. 天津市鑫源化工有限公司成立于1995年，以开发高氯酸，高氯酸盐和过氧乙酸系列产品为主。
- The butanone glycol ketal was synthesized by the reaction of butanone with glycol in the present of the strong-acid cation-exchange resin. 以强酸性阳离子交换树脂为催化剂,通过丁酮和乙二醇反应合成丁酮乙二醇缩酮。
- Among all those,the peroxy acetic acid method is better and more successful.It is also very economical and eco-friendly. 其中,过氧乙酸法是一种比较好的方法,已工业化,该方法绿色环保。
- Cyclohexanone 1,2-propanediol ketal was synthesized from cyclohexanone and 1,2-propanediol in the presence of copper benzene sulfonate . 以苯磺酸酮为催化剂,环己酮与1,2-丙二醇合成了环己酮1,2-丙二醇缩酮。
- Abstract peroxy radical measurement by chemical amplification (PERCA) is one important method of detecting atmospheric ROx. 摘要 过氧自由基化学放大法(PERCA)是一种重要的测定大气过氧自由基的方法。
- Under microwave irradiation,cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propanediol using HPW as catalyst. 在微波辐射下,以磷钨酸为催化剂,以环己酮和1,2-丙二醇为原料合成了环己酮1,2-丙二醇缩酮。
- Reported the effect of stabilizers, chelating agents, activators and concentration, temperature, time to bleaching of peroxy compounds. 报告了稳定剂、螯合剂和活化剂等添加剂以及过氧漂白的基本参数对漂白效果的影响。
- Benzalacetone 1,2-propylene glycol ketal was synthesized from benzalacetone and 1,2-propylene glycol in the presence of ptoluene sulphonic acid. 以对甲苯磺酸为催化剂,通过苄叉丙酮与-1,2-丙二醇反应合成了苄叉丙酮-1,2-丙二醇缩酮。
- The samples extracted with acetone,were oxidized by peroxy acetic acid and then extracted with dichloro-methane,were finally detected by GC-FPD. 样品以丙酮提取，过氧乙酸氧化，二氯甲烷萃取，气谱火焰光度检测器（GC／FPD）测定。
- Abstract： In this paper, we reported that peroxy fluorine containing radicals were slowly decayed, and existed for a long time at room temper ture. 摘要： 预辐照聚三氟氯乙烯薄膜的过氧化含氟自由基室温衰变缓慢,可长期生存。
