	US 11,873,437 B2
	Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
Yunjun Wang, Jiangsu (CN); and Bo Ma, Jiangsu (CN)
Assigned to SUZHOU XINGSHUO NANOTECH CO., LTD., Jiangsu (CN)
Appl. No. 17/294,420
Filed by SUZHOU XINGSHUO NANOTECH CO., LTD., Jiangsu (CN)
PCT Filed Jan. 24, 2019, PCT No. PCT/CN2019/073002 § 371(c)(1), (2) Date May 17, 2021, PCT Pub. No. WO2020/103333, PCT Pub. Date May 28, 2020.
Claims priority of application No. 201811381450.4 (CN), filed on Nov. 20, 2018.
Prior Publication US 2021/0403809 A1, Dec. 30, 2021
Int. Cl. C09K 11/88 (2006.01); C08J 5/18 (2006.01); C08L 63/00 (2006.01); C09K 11/02 (2006.01); H01L 33/50 (2010.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01)

CPC C09K 11/883 (2013.01) [C08J 5/18 (2013.01); C08L 63/00 (2013.01); C09K 11/025 (2013.01); H01L 33/502 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)]

11 Claims

1. A method for preparing a fluorescent nanomaterial-polymer composite, wherein the preparation method comprises:

providing at least one precursor, wherein the precursor comprises a fluorescent nanomaterial and a polymer; and

in a first temperature at or higher than a melting point of the polymer, mixing the precursor, and then cooling, the precursor further comprises a hydrocarbon additive, the hydrocarbon additive in the precursor remains in a fluorescent nanomaterial-polymer composite, and under a normal pressure, a boiling point of the hydrocarbon additive is higher than the first temperature, the hydrocarbon additive is mineral oil, the hydrocarbon additive comprises a mixture of saturated naphthenic and paraffinic hydrocarbons, a crystallinity of the polymer is greater than 5%.