Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate
2005-05-03
2005-05-03
Feely, Michael J. (Department: 1712)
Stock material or miscellaneous articles
Composite
Of epoxy ether
C428S413000, C428S414000, C428S418000, C428S297400, C428S396000, C428S901000, C525S088000, C525S09200D, C525S107000, C525S109000, C525S115000, C525S529000
Reexamination Certificate
active
06887574
ABSTRACT:
A curable flame retardant epoxy resin composition including (a) at least one flame retardant epoxy resin; (b) at least one amphiphilic block copolymer; and (c) a curing agent. Such components are present in the curable composition in the appropriate amounts and ratios such that, upon curing, the block copolymer self-assembles into a nano structure morphology, such as a worm-like micelle morphology. The resulting cured product made from the composition of the present invention has a remarkably increased high fracture resistance; and allows the use of flame retardant epoxies in applications where fracture resistance is an issue.
REFERENCES:
patent: 3686359 (1972-08-01), Soldatos et al.
patent: 4066628 (1978-01-01), Ashida et al.
patent: 4594291 (1986-06-01), Bertram et al.
patent: 4902732 (1990-02-01), Itoh et al.
patent: 4925901 (1990-05-01), Bertram et al.
patent: 5376453 (1994-12-01), von Gentzkow et al.
patent: 5476908 (1995-12-01), Kishi et al.
patent: 6403220 (2002-06-01), Brennan et al.
patent: 6610765 (2003-08-01), Pfaendner et al.
patent: 6613839 (2003-09-01), Gan et al.
patent: 20020119317 (2002-08-01), Gan et al.
patent: 20030059906 (2003-03-01), Hubbell et al.
patent: 05311070 (1993-11-01), None
patent: WO 9900451 (1999-01-01), None
patent: WO 0192415 (2001-12-01), None
Dean, et al., “Micellar Structure and Mechanical Properties of Block Copolyer-Modified Epoxies,” J.Polym. Sci. Part B Polymer Physics, 2001, 39, 2996-3010.
Grubbs, et al., “Reactive Block Copolymers for Modification of Thermosetting Epoxy,” Macromolecules, 33, pp. 9522-9534 (2000).
Grubbs, et al., “Methacrylate Block Copolymers through Metal-Mediated living Free-Radical Polymerization for Modification of Thermosetting Epoxy,” Macromolecules, 34, 8593 (2001), pp. 8593-8595.
Hillmyer, et al., “Synthesis and Characterization of Model Polyalkane-Poly(ethyleneoxide) Block Copolymers,” Macromolecules, 29, 6994 (1996), pp. 6994-7002.
Ritzenthaler, et al., “ABC Triblock Copolymers/Epoxy-Diamine Blends. 1. Keys to Achieve Nanostructured Thermosets,” Macromolecules 2002, 35, pp. 6245-6254.
Khandpur, et al., “Transmission Electron Microscopy of Saturated Hydrocarbon Block Copolymers,” Journal of Polymer Science: Part B; Polymer Physics, 1995, 33, pp. 247-252.
Pearson, et al., “Toughening Mechanisms in Elastomer-Modified Epoxies,” Journal of Materials Science, 1989, 24, pp. 2571-2580.
Hillmyer, et al., “Self-Assembly and Polymerization of Epoxy Resin-Amphiphilic Block Copolymer Nanocomposites,” Journal of American Chemical Society, 1997, 119, pp. 2749-2750.
Hajduk, et al., “Complex Phase Behavior in Aqueous Solutions of Poly(ethylene oxide)-Poly(ethylethytane) Block Copolymers,” Journal of Phys. Chem. B, 1998, 102, pp. 4269-4276.
Won, et al., “Cryogenic Transmission Electron Microscopy (Cryo-TEM) of Micelles and Vesicles Formed in Water by Poly(ethylene oxide)-Based Block Copolymers,” Journal of Phys. Chem. B, 2002, 106, pp. 3354-3364.
Kinning, et al., “Structural Transitions from Spherical to Nonspherical Micelles in Blends of Poly(styrene-butadiene) Diblock Copolymer and Polystyrene Homopolymers,” Macromolecules, 1998, 21, pp. 3502-3506.
Trent, et all, “Ruthenium Tetraoxide Staining of Polymers for Electron Microscopy,” Macromolecules, 1983, 16, pp. 589-598.
Koulic, et al., “Vesicular Nanostructures Prepared by Reactive Melt Blending,” Angew. Chem. Int. Ed., 2002, 41, No. 12, pp. 2154-2156.
Grubbs, et al., “Selectively Epoxidized Polyisoprene-Polybutadiene Block Copolymers,” Macromolecules 2000, 33, pp. 2308-2310.
Lipic, et al., “Nanostructured Thermosets from Self-Assembled Amphiphilic Block Copolymer/Epoxy Resin Mixtures,” Journal of American Chemical Society, 1998, 120, pp. 8963-8970.
Girard-Reydet, et al., “Splat: A Nonequilibrium Morphology on the Way to a Microemulsion,” Macromolecules 2001, 34, pp. 5349-5353. (Abstract Only).
Hazot, et al., “Synthesis of Hairy Acrylic Core-Shell Particles as Toughening Agents for Epoxy Networks,” Macromolecular Chemistry and Physics 2000, 201, pp. 632-641. (Abstract Only).
Grubbs, et al., “Nanostructur d Thermosets from Epoxyisoprene-butadiene Block Copolymers,” Polymeric Materials Science and Engineering, 2000, 82, pp. 280-281. (Abstract Only).
Girard-Reydet, et al., “Use of Block Copolymers to Control the Morphologies and Properties of Thermoplastic/Thermoset Blends,” Polymer 1998, 40, pp. 1677-1687. (Abstract Only).
Kim, et al., “The Phase Transformation Toughening and Synergism in Poly(Butylene Terephthalate)/Poly(Tetramethylene Glycol) Copolymer-Modified Epoxies”, Journal of Materials Science 1998, 33, pp. 2421-2429. (Abstract Only).
Ishihara, et al.,“Modification of Epoxy Resin with Ethylene Oxide/Propylene Oxide Block Copolymer,” Koen Yoshishu-Nippon Setchaku Gakkai Nenji Talkai 1996, 34, pp. 93-94. (Abstract Only).
Kim, et al., “The Effect of a Styrene-Methyl Methacrylate Block Copolymer on the Morphological, Rheological and Mechanical Properites of Poly(2,6-Dimethyl-1,4-Phenylene Ether) (PPE) and Poly(Hydroxy Ether of Bisphenol A) (Phenoxy) Blends,” Polymer 1993, 34, pp. 4043-4051. (Abstract Only).
Kirk-Othmer Encyclopedia of Chemical Technology, 3rdEd., vol. 9, pp. 267-289.
DePetris, et al., “Crosslink Density and Fracture Toughness of Epoxy Resins,” Journal of Materials Science, 1991, 26, pp. 2348-2352.
Bates Frank S.
Dean Jennifer M.
Pham Ha Q.
Verghese Nikhil E.
Dow Global Technologies Inc.
Feely Michael J.
Regents of the University of Minnesota
LandOfFree
Curable flame retardant epoxy compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Curable flame retardant epoxy compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Curable flame retardant epoxy compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3441173