PHOTOCHROMIC POLYCARBONATE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES COMPRISING THE SAME

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United States of America Patent

APP PUB NO 20170009073A1
SERIAL NO

15113140

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Abstract

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A photochromic polycarbonate composition including: a polycarbonate comprising bisphenol A carbonate units; a cycloaliphatic polyester comprising units of the formula (5) wherein R is a C2-12 alkylene or a C3-12 cycloalkylene; and a photo-chromic dye; wherein the composition has a transmission of 80% or more and a haze of 3% or less, measured according to ASTM D1003 (2007) using the color space CIE1931 (Illuminant C and a 2° observer) at a thickness of 1.5 mm.

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Patent Owner(s)

Patent OwnerAddress
SABIC GLOBAL TECHNOLOGIES B VPLASTICSLAAN 1 BERGEN OP ZOOM 4612 PX

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
WANG, HUIHUI SHANGHAI, CN 10 23
WEN, LIANG SHANGHAI, CN 20 67

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