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Light Sensitive Dye – Ranbar Blue DP5060

Ranbar Blue DP5060 is a light sensitive dye that can change from colorless to blue. This dye is soluble in solvents such as toluene and dichloromethane. It is widely used in the fields of plastics, coatings, inks, fabric dyeing, and more.

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Ranbar Blue DP5060 Light Sensitive Dye

 

Ranbar Blue DP5060 is a light sensitive dye that changes from colorless to blue. This dye is soluble in solvents such as toluene and dichloromethane. When the solution is exposed to ultraviolet light, its color changes to blue, and it returns to a colorless state when the ultraviolet light is removed. This change is repeatedly reversible.

 

Specifications:

Temperature resistance220℃
Melting point260°C ~ 262°C
DSC Differential Scanning Calorimetry270°C
UV absorbance (λmax)390nm
Chemical StructureSpirooxazines
AppearanceDP5060 is a light green powder under normal conditions, soluble in toluene, and turns into a blue solution under ultraviolet light.

 

Solubility:

Dissolved: toluene, dichloromethane

Slightly soluble: acetone, butanone, ethyl acetate

Insolubles: alcohol, IPA isopropanol, DMF dimethylformamide

 

Molecular Structure Change Diagram of Light Sensitive Dye

 

It should be noted that Light sensitive dye itself will not change color when it is exposed to light, and it needs to be dissolved in other suitable carriers to achieve the photochromic effect. It can be completely dissolved in the carrier and presents a highly transparent state, which can realize the effect of complete transparency of the product system.

 

Ink and Coating Application:

  • Soluble in organic solvents, there may be slight variations in color tones in solvents of different polarities.
  • Ranbar photosensitive dyes are suitable for oil-water resin systems.
  • The suitable pH range for selected substrates is 7-9.
  • Recommended usage in ink and coatings is 0.02% to 0.1% (w/w).
  • Suitable for screen printing, gravure printing, and flexographic printing inks.
  • Suggested printing background is white or light-colored series.
  • Can be mixed and used with other organic pigments or dyes.
  • When in use, appropriate resins or substrates should be selected.

 

Injection Molding and Extrusion Application:

  • Suitable for a variety of resins including PP, PE, PVC, PU, PS, ABS, TPR, EVA, Nylon, PMMA, etc.
  • Recommended dosage in plastics is 0.01% to 0.1% w/w.
  • Photosensitive dyes can be used in conjunction with other pigments or organic dyes.
  • Avoid using photosensitive dyes at temperatures above 250°C.
  • Adding appropriate light stabilizers and antioxidants can enhance the heat resistance and UV resistance of photosensitive dyes.

 

Ranbar Light Sensitive Dye Model Chart:

modelColor huesolventTemperature ℃featuresApplication field
DP1220Fuchsia
Blue Red
Toluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP1380FuchsiaYellow RedToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP1610Bright RedYellow RedToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP2070OrangeRed OrangeToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP2050OrangeYellow OrangeToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP3080YellowRed YellowToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP4010GreenGreenToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP4013GreenDark GreenToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP5060BlueRoyal BlueToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP6008PurpleRed PurpleToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP6010VioletVioletToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP6014VioletDark VioletToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP7030BrownRed BrownToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink
DP0080GreyRed light BlackToluene, EA, AC, MeOH, THF220High transparencyCoatings, plastics, ink

 

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