POLYCARBONATE-ABS BASED ALLOY RESIN COMPOSITION HAVING SUPERIOR PLATING ADHESION AND MOLDED ARTICLE INCLUDING THE SAME

• US 20170313870A1
• Filed: 09/26/2016
• Published: 11/02/2017
• Est. Priority Date: 11/05/2015
• Status: Abandoned Application

• Current Assignee: LG Chem Limited (LG Corporation)
• Original Assignee: LG Chem Limited (LG Corporation)
• Inventors: KIM, Jae Hwan, KIM, Myeung II, YOO, Seok Jae, LEE, Sung Ho, AHN, Sung Tae, JEONG, Min Ho
• Application Number:
  US15/516,274
• Publication Number:
  US 20170313870A1
• Time in Patent Office: Days
• CPC Class Codes: B29C 2948/92704 Temperature
• CPC Class Codes: B29C 48/92 Measuring, controlling or regulating
• CPC Class Codes: C08J 2369/00 Characterised by the use of polycarbonates; Derivatives of polycarbonates
• CPC Class Codes: C08J 3/005 Processes for mixing polymers
• CPC Class Codes: C08J 5/00 Manufacture of articles or shaped materials containing macromolecular substances manufacture of semi-permeable membranes B01D67/00 - B01D71/00
• CPC Class Codes: C08L 2205/035 containing four or more polymers in a blend
• CPC Class Codes: C08L 25/12 with unsaturated nitriles
• CPC Class Codes: C08L 51/04 grafted on to rubbers
• CPC Class Codes: C08L 55/02 ABS [Acrylonitrile-Butadiene-Styrene] polymers
• CPC Class Codes: C08L 69/00 Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Abstract

The present disclosure relates to a polycarbonate-ABS based alloy resin composition having superior plating adhesion and a molded article manufactured therefrom.

In accordance with the present disclosure, a polycarbonate-ABS based alloy resin composition having superior plating adhesion as well as superior mechanical properties, and a molded article including the polycarbonate-ABS based alloy resin composition.

Claims

1. A polycarbonate-ABS based alloy resin composition, comprising:

(a) 35 to 75% by weight of a polycarbonate resin;

(b) 5 to 35% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.6 to 1.5 μ

m, an aromatic vinyl compound, and a vinyl cyanide compound;

(c) 5 to 20% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.2 μ

m or more and less than 0.6 μ

m, an aromatic vinyl compound, and a vinyl cyanide compound;

(d) 5 to 20% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.1 to 0.3 μ

m, an aromatic vinyl compound, and a (meth)acrylate compound; and

(e) 0 to 40% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer.

2. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the polycarbonate resin (a) has a weight-average molecular weight of 20,000 to 80,000 g/mol.

3. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein a total amount of the copolymer (b), the copolymer (c), and the copolymer (d) is 20 to 50% by weight.

4. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the copolymer (b) is prepared by polymerizing 5 to 20% by weight of a conjugated diene rubber, 60 to 80% by weight of an aromatic vinyl compound, and 10 to 30% by weight of a vinyl cyanide compound.

5. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the copolymer (c) is prepared by polymerizing 50 to 70% by weight of a conjugated diene rubber, 20 to 40% by weight of an aromatic vinyl compound, and 5 to 20% by weight of a vinyl cyanide compound.

6. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the (meth)acrylate compound comprised in the copolymer (d) is alkylmethacrylate.

7. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the copolymer (d) is a core-shell graft copolymer comprising 60 to 80% by weight of a core and 20 to 40% by weight of a shell.

8. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the aromatic vinyl compound-vinyl cyanide compound copolymer (e) is prepared by polymerizing 60 to 85% by weight of an aromatic vinyl compound and 15 to 40% by weight of a vinyl cyanide compound.

9. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the conjugated diene rubber is prepared by polymerizing one or more selected from the group consisting of 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, 2-ethyl-1,3-butadiene, 1,3-pentadiene, and isoprene.

10. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the aromatic vinyl compound is one or more selected from the group consisting of styrene, a-methylstyrene, o-ethylstyrene, p-ethylstyrene, and vinyltoluene.

11. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the vinyl cyanide compound is one or more selected from the group consisting of acrylonitrile, methacrylonitrile, and ethacrylonitrile.

12. The polycarbonate-ABS based alloy resin composition according to claim 6, wherein the alkylmethacrylate is one or more selected from the group consisting of methyl methacrylate, butyl methacrylate, and benzyl methacrylate.

13. The polycarbonate-ABS based alloy resin composition according to claim 1, further comprising one or more selected from the group consisting of an antimicrobial agent, a thermal stabilizer, an antioxidant, a releasing agent, a photostabilizer, a surfactant, a coupling agent, a plasticizer, an admixture, a colorant, a stabilizer, a lubricant, an antistatic agent, a toning agent, a flame retardant, a weather resistant agent, an ultraviolet absorber, and a sunscreen agent.

14. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the polycarbonate resin composition has an impact strength of 30 kgf·

cm/cm or more which is measured at −

30°

C. according to ASTM D256.

15. The polycarbonate-ABS based alloy resin composition according to claim 1, wherein the polycarbonate resin composition has a plating adhesion of 7.0 N/cm or more.

17. A molded article manufactured using the polycarbonate-ABS based alloy resin composition according to claim 1.

16. A method of manufacturing a polycarbonate-ABS based alloy resin composition, the method comprising a step of melt-mixing (a) 35 to 75% by weight of a polycarbonate resin;

(b) 5 to 35% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.6 to 1.5 μ

m, an aromatic vinyl compound, and a vinyl cyanide compound;

(c) 5 to 20% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.2 μ

m or more and less than 0.6 μ

m, an aromatic vinyl compound, and a vinyl cyanide compound;

(d) 5 to 20% by weight of a copolymer prepared by polymerizing a conjugated diene rubber having an average particle diameter of 0.1 to 0.3 μ

m, an aromatic vinyl compound, and a (meth)acrylate compound; and

(e) 0 to 40% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer, followed by extrusion.