3 lines
1.6 KiB
JSON
3 lines
1.6 KiB
JSON
{
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"protocol": "1. Combine 80-100 g of water-based resin emulsion, 10-30 g of crosslinking agent, and 10-30 g of anti-fog modifier. 2. Synthesize the anti-fog modifier by performing an addition reaction between the octavinyl polyhedral oligomeric silsesquioxane (as shown in formula (1)) and a polyether containing epoxy propylene and epoxy ethylene chains (as shown in formula (2)). 3. Conduct the addition reaction in a solvent selected from one or more of benzene, toluene, butyl glycol ether, ethyl acetate, and tetrahydrofuran. 4. Use a catalyst such as platinum, nickel, or gold, preferably chloroplatinic acid, with an amount of 1-3 wt% of the octavinyl polyhedral oligomeric silsesquioxane. 5. Maintain a molar ratio of 1:(8-10) for the reactants in the addition reaction, at a reaction temperature of 60-100°C, for a reaction time of 3-6 hours.将八乙烯基聚倍半硅氧烷与含有环氧丙烷链和环氧乙烷链的聚醚以1:（8-10）的摩尔比混合，进行加成反应。反应在60{-}100^{\\circ}\\mathrm{C}的温度下进行，反应时间为3{-}6小时，使用催化剂氯铂酸，其用量为八乙烯基聚倍半硅氧烷的1-3\\mathrm{wt\\%}。反应在苯、甲苯、乙二醇单丁醚、乙酸乙酯、四氢呋喃等溶剂中进行。取式（1）所示的八乙烯基聚倍半硅氧烷1mol，配制成1mol/L的溶液；取式（2）所示的聚醚8mol（或9mol、10mol）、配制成相应浓度的溶液。在1L的八乙烯基聚倍半硅氧烷的溶液中加入氯铂酸，随后与聚醚溶液混合，搅拌，并在特定温度下（80°C、90°C、100°C）进行加成反应（4h、5h、3h），以得到防雾改性剂。"
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} |