• 专利标题:   Preparation of red light emitting coating includes mixing graphene and deionized water, dispersing, centrifuging to obtain graphene dispersion, mixing aluminum and nano phosphorus, dispersing in water and performing ultrasonic vibration.
  • 专利号:   CN105348891-A
  • 发明人:   CHEN R
  • 专利权人:   CHEN R
  • 国际专利分类:   C09D005/22, C09D007/12
  • 专利详细信息:   CN105348891-A 24 Feb 2016 C09D-005/22 201642 Pages: 12 English
  • 申请详细信息:   CN105348891-A CN10948888 18 Dec 2015
  • 优先权号:   CN10948888

▎ 摘  要

NOVELTY - Preparation of red light emitting coating includes mixing 1 g graphene and 100 mL deionized water, dispersing, centrifuging at 800 revolutions/minute (rpm) to obtain graphene dispersion, mixing 25-100 g Y0.9VO4:Eu3+, 0.04 g aluminum and 0.06 g nano phosphorus, dispersing in deionized water at 1000-1200 W, performing ultrasonic vibration at 800-1000 rpm, stirring for 240-300 minutes to obtain red phosphorus dispersion liquid, adding graphene dispersion, mixing for 30-60 minutes, performing suction filtration and drying to obtain graphene/red phosphorus composite material. USE - Method for preparing red light emitting coating (claimed). ADVANTAGE - The red light emitting coating has high luminous intensity, high uniformity, high dispersibility and high storage stability. DETAILED DESCRIPTION - Preparation of red light emitting coating involves mixing 1 g graphene and 100 mL deionized water, dispersing, centrifuging at 800 revolutions/minute (rpm) to obtain graphene dispersion, mixing 25-100 g Y0.9VO4:Eu3+, 0.04 g aluminum and 0.06 g nano phosphorus, dispersing in deionized water at 1000-1200 W, performing ultrasonic vibration at 800-1000 rpm, stirring for 240-300 minutes to obtain red phosphorus dispersion liquid, adding graphene dispersion, mixing for 30-60 minutes, performing suction filtration, drying to obtain graphene/red phosphorus composite material, mixing 3-6 pts. wt. graphene/kaolin/silicon dioxide composite filler and 2-4 pts. wt. graphene/calcium carbonate/silicon dioxide composite filler, performing ultrasonic dispersion at 500-800 kW and 1000-1200 rpm for 15-20 minutes, centrifuging, adding 15-20 pts. wt. deionized water, adding 1-5 pts. wt. graphene/red phosphorus composite material, centrifuging, dispersing, stirring for 15-20 minutes, centrifuging, adding 70-80 pts. wt. film forming agent and mixing.