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公开(公告)号：EP4006076A1
公开(公告)日：2022-06-01
申请号：EP20847915.4
申请日：2020-07-20
发明人： LI, Jianfeng , SHANG, Yonghua , WU, Qian , ZHU, Fulin , WANG, Peng , CHEN, Hao , SHI, Peimeng , HUA, Weiqi , LI, Yuan
摘要： Provided are a preparation method for a polyurethane optical resin and applications thereof. The preparation method for the polyurethane optical resin comprises: a raw material composition comprising isocyanate and a polythiol compound undergoes a polymerization to produce the polyurethane optical resin. The turbidity value of the isocyanate used in the raw material composition is controlled at ≤ 2 NTU. The polyurethane optical resin produced is applicable in manufacturing optical products.
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公开(公告)号：EP4306509A1
公开(公告)日：2024-01-17
申请号：EP22766347.3
申请日：2022-03-10
发明人： ZHU, Fulin , SHANG, Yonghua , LI, Jianfeng , LIU, Weijie , WANG, Peng , LI, Wenbin , WANG, Pengfei , WU, Qian , LIU, Wei , LI, Yuan
IPC分类号： C07C263/10 , C08G18/76
摘要： A xylylene diisocynate composition, a preparation method therefor and the use thereof. The xylylene diisocynate composition includes xylylene diisocynate and 0.2-500 ppm of a compound represented by formula (1). A resin prepared from the provided xylylene diisocynate composition has an excellent discoloration resistance and can effectively inhibit yellowing and/or white turbidity thereof.
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公开(公告)号：EP4032929A1
公开(公告)日：2022-07-27
申请号：EP20894354.8
申请日：2020-07-07
发明人： ZHU, Fulin , LI, Jianfeng , WANG, Peng , LI, Wenbin , CHEN, Jie , WANG, Qiao , WU, Qian , CHEN, Hao , SHANG, Yonghua , LI, Yuan
IPC分类号： C08G18/75 , C08G18/38 , C07C265/14 , C07C263/10
摘要： Disclosed is a 1,3-bisisocyanatomethylcyclohexane composition and an optical resin prepared therefrom. The composition comprises, based on the weight of 1,3-bisisocyanatomethylcyclohexane, a) 65%-95wt% of trans-1,3-bisisocyanatomethylcyclohexane; b) greater than 0 and less than or equal to 0.5wt%, preferably 0.02-0.5wt% of 1,4-bisisocyanatomethylcyclohexane. Preferably, the 1,3-bisisocyanatomethylcyclohexane composition contains greater than 0 and less than or equal to 600 ppm of 1-isocyanatomethyl-3-methylcyclohexane, based on the weight of 1,3-bisisocyanatomethylcyclohexane. The 1,3-bisisocyanatomethylcyclohexane composition is used for preparing an optical resin, which can be applied to produce an optical lens with a better performance in preventing opacification and optical distortion.
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公开(公告)号：EP3156393B1
公开(公告)日：2020-04-15
申请号：EP14894274.1
申请日：2014-06-16
发明人： YU, Yong , SHANG, Yonghua , SUN, Zhongping , CUI, Xuelei , WANG, Peng , LV, Zhengao , HUA, Weiqi
IPC分类号： B01B1/00 , B01D1/00 , B01D1/14 , C07C263/10
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5.发明公开HEATER, USE THEREOF AND METHOD FOR PREPARING ISOCYANATE USING HEATER 审中-公开发热元件，它们的用途及其制备方法异氰酸酯与发热元件
公开(公告)号：EP3156393A1
公开(公告)日：2017-04-19
申请号：EP14894274.1
申请日：2014-06-16
发明人： YU, Yong , SHANG, Yonghua , SUN, Zhongping , CUI, Xuelei , WANG, Peng , LV, Zhengao , HUA, Weiqi
IPC分类号： C07C263/10 , F16L53/00
摘要： A heater for heating and vaporizing droplets in gas stream, comprising a heater housing and a heater body located inside the heater housing, wherein the heater housing is provided with an airflow inlet and an airflow outlet, the airflow enters into the heater housing via the airflow inlet, flows through the heater body, and then is discharged via the airflow outlet; the heater body comprises a stereoscopic network structure formed by interweaving one or more electrical heating wires. The use of the heater and a method for preparing isocyanate using the heater. The heater has a simple structure, a low pressure loss, uniform heating and a high heat utilization ratio during preparing isocyanate.
摘要翻译： 一种用于加热和在气体流汽化的液滴，包括加热器壳体和位于所述加热器壳体内的加热器主体，worin加热器壳体加热器在气流入口和气流出口设置有，气流通过气流进入加热器壳体 入口，流经加热器主体，和然后经由气流出口被排出; 加热器本体包括由交织的一个或多个电热丝形成的立体网络结构。 使用加热器以及使用该加热器制备异氰酸酯的方法。 加热器具有简单的结构，压力损失低，均匀的加热，并且在制备异氰酸酯高的热利用率。
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