Title:
COMPOUNDS CONTAINING BLUE LIGHT BLOCKING ADDITIVE
Document Type and Number:
WIPO Patent Application WO/2017/025047
Kind Code:
A1
Abstract:
Provided is a thermoplastic compound, comprising thermoplastic polymer, organic colorant compatible with the thermoplastic polymers and absorbing blue light and optional functional additives. Said thermoplastic compound has less than about 80% transmittance at wavelengths of 250-450 nm, and greater than about 85% transmittance at wavelengths of greater than about 560 nm. In 430-450 nm, with different loadings of various organic colorants, the transmittance of the compound can be adjusted to meet any desired blue light transmittance level.
Inventors:
WANG QIAN (CN)
LIU MENGGE (CN)
SHANG WENYU (CN)
LIU MENGGE (CN)
SHANG WENYU (CN)
Application Number:
PCT/CN2016/094598
Publication Date:
February 16, 2017
Filing Date:
August 11, 2016
Export Citation:
Assignee:
POLYONE-SHANGHAI CHINA (CN)
International Classes:
C08F20/06; C08L69/00; C08K5/00; C08L25/06
Foreign References:
| CN101813832A | 2010-08-25 | |||
| CN101806960A | 2010-08-18 | |||
| CN102786787A | 2012-11-21 | |||
| US20110059300A1 | 2011-03-10 | |||
| US20050054797A1 | 2005-03-10 | |||
| CN103189199A | 2013-07-03 |
Other References:
See also references of EP 3334784A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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