Molded article having enhanced aesthetic effect and method and system for making the molded article
First Claim
1. A molded article, comprising:
- an insert comprising metal, glass, and combinations comprising at least one of the foregoing;
a part comprising a composition injection molded in a first shot on at least a portion of the insert, the composition comprising;
a) an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxylate) (PCCD), a weight ratio of PC to PCCD being in the range of 30 to 90 PC to 70 to 10 PCCD,b) a glass fiber greater than or equal to 0.75 mm in length and a quantity of the glass fiber from 1 to 50 wt. % of the composition, andc) a refractive index of the aromatic polycarbonate and PCCD closely matching a refractive index of the glass fiber and being in the range of from 1.540 to 1.570; and
a thermoplastic material injection molded on at least a portion of the part in a second shot of a double shot process, wherein the thermoplastic material of the second shot adheres to at least a portion of the composition of the first shot; and
the molded article is configured to be attached to an electronic device,wherein the insert has a first coefficient of thermal expansion and the composition of the first shot has a second coefficient of thermal expansion, the first coefficient of thermal expansion and the second coefficient of thermal expansion is within a range of 5 ppm/°
C. to 80 ppm/°
C. of each other.
3 Assignments
0 Petitions
Accused Products
Abstract
A molded article, comprises: an insert comprising metal, glass, and combinations comprising at least one of the foregoing; a composition injection molded in a first shot on at least a portion of the insert forming a part; and a thermoplastic material injection molded on at least a portion of the part in a second shot of a double shot process. The composition comprises: a) an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxylate) (PCCD), the weight ratio of PC to PCCD being in the range of 30 to 90 PC to 70 to 10 PCCD, b) glass fiber greater than or equal to 0.75 mm in length and the quantity of glass fiber from 1 to 50 wt. % of the composition, and c) the refractive index of the polycarbonate and PCCD closely matching the refractive index of the glass fiber and being in the range of from 1.540 to 1.570.
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Citations
20 Claims
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1. A molded article, comprising:
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an insert comprising metal, glass, and combinations comprising at least one of the foregoing; a part comprising a composition injection molded in a first shot on at least a portion of the insert, the composition comprising; a) an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxylate) (PCCD), a weight ratio of PC to PCCD being in the range of 30 to 90 PC to 70 to 10 PCCD, b) a glass fiber greater than or equal to 0.75 mm in length and a quantity of the glass fiber from 1 to 50 wt. % of the composition, and c) a refractive index of the aromatic polycarbonate and PCCD closely matching a refractive index of the glass fiber and being in the range of from 1.540 to 1.570; and a thermoplastic material injection molded on at least a portion of the part in a second shot of a double shot process, wherein the thermoplastic material of the second shot adheres to at least a portion of the composition of the first shot; and
the molded article is configured to be attached to an electronic device,wherein the insert has a first coefficient of thermal expansion and the composition of the first shot has a second coefficient of thermal expansion, the first coefficient of thermal expansion and the second coefficient of thermal expansion is within a range of 5 ppm/°
C. to 80 ppm/°
C. of each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system that facilitates securing one material to another material without cracking, comprising:
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an insert comprising glass, metal, and combinations comprising at least one of the foregoing, and having a first coefficient of thermal expansion; a clear high modulus ductility thermoplastic material having a second coefficient of thermal expansion, wherein the clear high modulus ductility thermoplastic material comprises; a) an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxylate) (PCCD), a weight ratio of PC to PCCD being in the range of 30 to 90 PC to 70 to 10 PCCD, b) a glass fiber greater than or equal to 0.75 mm in length and a quantity of glass fiber from 1 to 50 wt. % of the clear high modulus ductility thermoplastic material, and c) a refractive index of the aromatic polycarbonate and PCCD closely matching a refractive index of the glass fiber and being in the range of from 1.540 to 1.570; a thermoplastic part comprising the clear high modulus ductility thermoplastic material injection molded to at least a portion of the insert by a first shot of a double shot injection molding process, and the first coefficient of thermal expansion of the insert and the second coefficient of thermal expansion of the clear high modulus ductility thermoplastic material is within a range of 5 ppm/°
C. to 80 ppm/°
C. of each other; anda structure comprising a thermoplastic material injection molded and adhered to at least a portion of the thermoplastic part by a second shot of the double shot injection molding process wherein the system is configured to be attached to an electronic device. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A molded article, comprising:
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an insert, wherein the insert comprises a glass panel configured for a portable electronic device; a part comprising a composition injection molded in a first shot on at least a portion of the insert, the composition comprising; a) an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxylate) (PCCD), a weight ratio of PC to PCCD being in the range of 60 to 90 PC to 40 to 10 PCCD, b) a glass fiber greater than or equal to 0.75 mm in length and a quantity of the glass fiber from 1 to 50 wt. % of the composition, and c) a refractive index of the aromatic polycarbonate and PCCD closely matching a refractive index of the glass fiber and being in the range of from 1.540 to 1.570; and a thermoplastic material injection molded on at least a portion of the part in a second shot of a double shot process, wherein the thermoplastic material of the second shot adheres to at least a portion of the composition of the first shot; and
the molded article is configured to be attached to an electronic device,wherein the insert has a first coefficient of thermal expansion and the composition of the first shot has a second coefficient of thermal expansion, the first coefficient of thermal expansion and the second coefficient of thermal expansion is within a range of 5 ppm/°
C. to 80 ppm/°
C. of each other. - View Dependent Claims (20)
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Specification