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Thermal transfer of crosslinked materials from a donor to a receptor

Patent 6242152 Issued on June 5, 2001. Estimated Expiration Date: Icon_subject May 3, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Thermal transfer donor element comprising a substrate having a microstructured surface
Patent #: 5326619
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Method for laser-discharge imaging a printing plate
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More ...

Inventors

Assignee

Application

No. 09/563597 filed on 05/03/2000

US Classes:

430/201, Imagewise vapor or gas transfer process, element or image receiving layer therefor430/200, Imagewise heating, element or image receiving layers therefor or imagewise vapor and gas transfer process, element or image receiving layer therefor430/271.1, Identified backing or protective layer containing430/273.1, Identified overlayer on radiation-sensitive layer430/275.1, Metal as backing or protective layer430/964THERMAL IMAGING COMPOSITION

Examiners

Primary: Schilling, Richard L.

Attorney, Agent or Firm

International Classes

B41M 5/46 (20060101)
B41M 5/40 (20060101)

Abstract

The present invention provides a thermal transfer donor element that includes a transfer layer comprising a fully or partially crosslinked material. The crosslinked transfer layer can be imagewise transferred from the donor element to a proximate receptor by imaging the donor element with radiation that can be absorbed and converted into heat by a light-to-heat converter included in the donor element. The heat generated during imaging is sufficient to effect transfer of the crosslinked transfer layer.

Other References

  • Synthetic Metals, 84 (1987) pp 437-438, "A blue light emitting copolymer with charge transporting and photo-crosslinkable functional units" Li et al
  • Synthetic Metals, 107 (1999) pp 203-207, "Improved eficiencies of light-emitting diodes through incorporation of charge transporting components in tri-block polymers" Chen et al
  • Polymer Bulletin, 43 (1999) pp 135-142, "Synthesis and characterization of partially crosslinked poly (N-vinylcarbazole-vinylalcohol) copolymers with polypyridyl Ru(II) luminophores: Potential materials for electroluminescence" A.A. Farah & W.J. Pietro
  • Polymers for Advanced Technologies, 8, (1997) pp 468-470, "Oxygen-crosslinked Polysilance: The New Class of Si-related Material for Electroluminescent Devices" Hiraoka et al
  • Chem Mater, 10, (1998) pp 1668-1676, "New Triarylamine-Containing Polymers as Hole Transport Materials in Organic Light-Emitting Diodes: Effect of Polymer Structure and Cross-Linking on Device Characteristics" Bellmann et al
  • Encyclopedia of Polymer Science & Engineering, 4, (1986) pp 418-449, "Cross-Linking With Radiation" John Wiley & Sons
  • Encyclopedia of Polymer Science & Engineering, 4, (1986) pp 350-390, "Cross-Linking" John Wiley & Sons
  • Encyclopedia of Polymer Science & Engineering, 11, (1988) pp 186-212, "Photopolymerization"
  • Advanced Materials, Communications, (1998-1999) "Covalently Interlinked Organic LED Transport Layers via Spin-Coating/Siloxane Condensation" W. Li et al
  • Polymer Handbook, VII, (1989) pp 519-557, Solubility Parameter Values, E.A. Grulke, J. Brandrup, ed
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