Multilayer plastic articles

• US 6,465,101 B1
• Filed: 04/28/1998
• Issued: 10/15/2002
• Est. Priority Date: 04/28/1998
• Status: Expired due to Fees

• Current Assignee: Sabic Innovative Plastics IP BV (Government of Saudi Arabia)
• Original Assignee: General Electric Company
• Inventors: Brown, Sterling Bruce, MacGregor, Amy Kathleen, LeGrand, Donald George, Lilly, Kenneth Lee
• Primary Examiner(s): Thibodeau, Paul
• Assistant Examiner(s): Rickman, Holly C.
• Application Number:
  US09/067,341
• Time in Patent Office: 1,631 Days
• Field of Search: 428/412, 428/480, 428/483, 525/175, 525/176, 525/177
• US Class Current: 428/412
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: Y10T 428/31507 Of polycarbonate
• CPC Class Codes: Y10T 428/31786 Of polyester [e.g., alkyd, etc.]
• CPC Class Codes: Y10T 428/31797 Next to addition polymer from unsaturated monomers

Abstract

Multilayer plastic composite articles comprise at least one poly (alkylene naphthalate) surface layer which is adherent to at least one surface of a substrate which is formed of a thermoplastic resin. Decorative layers can be located between the substrate and the poly (alkylene naphthalate) surface layers.

Claims

1. A multilayer article comprising a substrate and an adherent layer, the substrate consisting essentially of a layer of a polycarbonate or an ABS resin or a blend of a polycarbonate with an ABS resin, and the adherent layer comprising a resin composition, wherein the resins of the composition consist of a polycarbonate-poly(alkylene naphthalate) blend or copolymer thereof, and the amount of polycarbonate in the polycarbonate-poly(alkylene naphthalate) blend or copolymer of the adherent layer is provided in a range from about 10 to about 90 percent by weight of the polycarbonate-poly(alkylene naphthalate) blend or copolymer.

2. An article according to claim 1 in which the polycarbonate of the substrate and the adherent layer is bisphenol-A polycarbonate.

3. An article according to claim 1 in which the resins of the adherent layer consist of bisphenol-A polycarbonate and a poly(ethylene naphthalate), or a copolymer thereof.

4. A multilayer article comprising a substrate and an adherent layer, the substrate consisting essentially of a layer of a polycarbonate or an ABS resin or a blend of a polycarbonate with an ABS resin, and the adherent layer comprising a resin composition, wherein the resins of the composition consist of a polycarbonate-poly(alkylene naphthalate) blend or copolymer thereof, and ethylene vinyl acetate, and the amount of polycarbonate in the polycarbonate-poly(alkylene naphthalate) blend or copolymer of the adherent layer is provided in a range from about 10 to about 90 percent by weight of the polycarbonate-poly(alkylene naphthalate) blend or copolymer.

5. An article according to claim 4 in which the polycarbonate of the substrate and the adherent layer is bisphenol-A polycarbonate.

6. An article according to claim 4 in which the resins of the adherent layer consist of (i) bisphenol-A polycarbonate and poly(ethylene naphthalate), or a copolymer thereof, and (ii) ethylene vinyl acetate.