Web1. 1,3-丙磺酸内酯的制备方法,其特征在于包括以下步骤: (1)以亚硫酸氢盐、亚硫酸盐和烯丙醇为原料,水为介质,冠醚为催化剂,在温度为 40〜100°C的条件下反应生成为含羟 … Web2934991000-China HS code,2934991000: Sultones and sultams HS code: 2934991000 Sultones and sultams 磺内酯及磺内酰胺; China HS Code Classification China Tariff & Tax China Customs Declaration Landed Cost Calculation China HS code 2934991000 Classification: China HS code 2934991000 13-digits CIQ code:
丙烯基-1,3-磺酸内酯_MSDS_密度_熔点_CAS号【21806-61-1】_ …
WebUsed in leather making, printing ink and sensitizing dye synthesis. 1, 3 - propane sulfonic lactone belongs to functional fine chemical new materials. It can and many kinds of compounds under the condition of very mild reaction, accurate with sulfonic acid group, thus giving new performance, these compounds are good general-purpose sulfonating ... Web本文以碱木质素 (AL)为原料,以1,4-丁磺酸内酯 (1,4-BS)为磺化剂,以酚羟基为反应位点,在氢氧化钠的催化下,制备了丁基磺酸磺化木质素 (ASLS)。 结构表征表明ASLS成功制备,官能团测试结果显示,随着1,4-BS添加量增加,ASLS的酚羟基含量降低,磺化度增大,其中当m (AL):m (1,4-BS)为1:0.3时,ASLS3的磺化度高达3.86 mmol/g,分子量为9900 Da。 实验探究磺化度和 … dell free 2 day shipping
[Preparation of sulfonic acid-functionalized polymeric ionic liquid ...
http://kungrhine.cn.chemnet.com/show/pdetail--787360.html Web101 rows · Mar 20, 2024 · 1,3-丙烷磺内酯属于功能型精细化工新材料。 它能和许多种类化 … WebJan 23, 2007 · 1,3-丙磺酸内酯(ps)广泛应用于染料、医药、表面活性剂等领域,是一 个很好的磺酸丙基化试剂,与醇、酚、硫醇 ... ferry to st john nb