1,3-bisisocyanatomethylcyclohexane composition and optical resin prepared therefrom

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United States of America

PATENT NO 12264121
APP PUB NO 20220402865A1
SERIAL NO

17772352

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Abstract

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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%-95 wt % of trans-1,3-bisisocyanatomethylcyclohexane; b) greater than 0 and less than or equal to 0.5 wt %, preferably 0.02-0.5 wt % 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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Patent Owner(s)

Patent OwnerAddress
WANHUA CHEMICAL GROUP CO LTD264006 NO 59 CHONGQING STREET YANTAI ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE SHANDONG PROVINCE YANTAI CITY SHANDONG PROVINCE 264006

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hao Shandong, CN 1012 6150
Chen, Jie Shandong, CN 1059 5911
Li, Jianfeng Shandong, CN 76 407
Li, Wenbin Shandong, CN 52 591
Li, Yuan Shandong, CN 465 4935
Shang, Yonghua Shandong, CN 15 0
Wang, Peng Shandong, CN 1420 6748
Wang, Qiao Shandong, CN 23 68
Wu, Qian Shandong, CN 102 408
Zhu, Fulin Shandong, CN 4 4

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