Claims
- 1. A process for the production of an electroluminescent molding, fiber or film, which comprises forming a binary mixture which consists essentially of a fluorescent dye containing a perylene group and a thermoplastic polymer having a degree of crystallinity of less than 10%, and then forming a molding, fiber or film from this binary mixture; and then applying an electrical voltage to the molding fiber or film until the molding, fiber or film fluoresces.
- 2. The process of claim 1, wherein the fluorescent dye is based on perylene tetracarboxylic acid, benzanthrone, dibenzanthrone or isodibenzathrone.
- 3. The process of claim 1, where the fluorescent dye has the formula I, I', II, III or III' ##STR2## where R.sup.1 is C.sub.1 -C.sub.13 -alkyl, C.sub.1 -C.sub.13 -acyl, or SO.sub.2 R where R is phenyl or C.sub.1 -C.sub.13 -alkyl-substituted phenyl,
- R.sup.2 is C.sub.5 -C.sub.20 -alkyl, which may be interrupted by an oxygen atom, or is phenyl which is monosubstituted or polysubstituted by C.sub.1 -C.sub.13 -alkyl or C.sub.1 -C.sub.13 -alkoxy,
- R.sup.3 is hydrogen, chlorine, phenoxy or halogen-, C.sub.1 -C.sub.4 -alkyl- or C.sub.1 -C.sub.4 -alkoxy-substituted phenoxy,
- R.sup.4 and R.sup.5, independently of one another, are hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkoxy or phenoxy
- and
- X is hydrogen, halogen or OR.sup.6, where R.sup.6 is phenyl or C.sub.1 -C.sub.13 -alkyl- or C.sub.1 -C.sub.13 -alkoxy-substituted phenyl.
- 4. The process of claim 3, wherein the fluorescent dye has the formula II wherein R.sup.2 is phenyl which is monosubstituted or polysubsituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy and R.sup.3 is hydrogen, phenoxy, or chlorine.
- 5. The process of claim 3, wherein the fluorescent dye has the formula II wherein R.sup.2 is 2,6-diisopropyl phenyl and R.sup.3 is phenoxy.
- 6. The process of claim 1, wherein the polymer is a member selected from the group consisting of polyalkyl methacrylates, polyaryl methacrylates, copolymers of styrene with vinylic monomers, polyvinylpyrrolidone, polyalkyl acrylates, polyarylates, polycarbonates, polyaryl sulfones, polyaryl ether sulfones, polyimides, polyether imides, and polyarylalkyl siloxanes.
Priority Claims (1)
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44 30 288.6 |
Aug 1994 |
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Parent Case Info
This application is a continuation of application Ser. No. 08/518,716, filed on Aug. 24, 1995 now abandoned
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Non-Patent Literature Citations (6)
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Abstract JP 4/212 286. |
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Continuations (1)
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518716 |
Aug 1995 |
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