Polymer resin composition having excellent impact resistance or heat resistance

• US 9,777,151 B2
• Filed: 02/06/2014
• Issued: 10/03/2017
• Est. Priority Date: 02/06/2013
• Status: Active Grant

• Current Assignee: SK Chemicals Co Ltd (SK Discovery Co. Ltd.)
• Original Assignee: SK Chemicals Co Ltd (SK Discovery Co. Ltd.)
• Inventors: Sohn, Dong-Cheol, Ahn, Byung-Woo, Shin, Jong-Wook, Kim, Jong-Ryang
• Primary Examiner(s): SASTRI, SATYA B
• Application Number:
  US14/765,942
• Publication Number:
  US 20150368460A1
• Time in Patent Office: 1,335 Days
• CPC Class Codes: C08L 2201/02 Flame or fire retardant/resistant
• CPC Class Codes: C08L 2205/03 containing three or more polymers in a blend
• CPC Class Codes: C08L 51/04 grafted on to rubbers
• CPC Class Codes: C08L 51/085 on to polysiloxanes
• CPC Class Codes: C08L 55/02 ABS [Acrylonitrile-Butadiene-Styrene] polymers
• CPC Class Codes: C08L 67/02 Polyesters derived from dicarboxylic acids and dihydroxy compounds C08L67/06 takes precedence
• CPC Class Codes: C08L 67/03 the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
• CPC Class Codes: C08L 69/00 Compositions of polycarbonates; Compositions of derivatives of polycarbonates
• CPC Class Codes: C08L 9/02 Copolymers with acrylonitrile

Abstract

A polymer resin composition capable of providing a synthetic resin showing physical properties of improved heat resistance or impact resistance is provided, in which the polymer resin composition includes a polyester tetrapolymer containing a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitol, and one or more terpolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft terpolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft terpolymer.

Claims

1. A polymer resin composition, comprising:

a polyester tetrapolymer including a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitol;

one or more terpolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft terpolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft terpolymer;

one or more selected from the group consisting of an unsaturated nitrile-aromatic vinyl-glycidyl methacrylate-based compatibilizer, and an unsaturated nitrile-aromatic vinyl-maleic anhydride-based compatibilizer; and

one or more selected from the group consisting of an aromatic vinyl-aromatic maleimide-maleic anhydride terpolymer, an aromatic vinyl-unsaturated nitrile-aromatic maleimide terpolymer, an aromatic vinyl-α

-methyl aromatic vinyl copolymer, and an aromatic vinyl-unsaturated nitrile-α

-methyl aromatic vinyl terpolymer.

2. The polymer resin composition of claim 1, comprising 5 to 90% by weight of the polyester tetrapolymer and 1 to 80% by weight of one or more terpolymers selected from the group consisting of the unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, the alkyl methacrylate-diene-based rubber-aromatic vinyl graft terpolymer, and the alkyl methacrylate-silicone/alkyl acrylate graft terpolymer.

3. The polymer resin composition of claim 1, further comprising 5 to 90% by weight of polycarbonate.

4. The polymer resin composition of claim 1, wherein the polyester tetrapolymer has a weight average molecular weight of 10,000 to 100,000 and a glass transition temperature of 0 to 200°

C.

5. The polymer resin composition of claim 1, wherein in the polyester tetrapolymer, the dicarboxylic acid component further includes one or more selected from the group consisting of aromatic dicarboxylic acids having 8 to 20 carbon atoms and aliphatic dicarboxylic acids having 4 to 20 carbon atoms.

6. The polymer resin composition of claim 1, wherein in the polyester tetrapolymer, dianhydrohexitol is isosorbide.

7. The polymer resin composition of claim 1, wherein in the polyester tetrapolymer, the content of dianhydrohexitol is 5 to 60 mol %, based on the total content of the diol component.

8. The polymer resin composition of claim 1, wherein in the polyester tetrapolymer, the diol component further includes one or more selected from the group consisting of compounds represented by the following Chemical Formulae 1, 2, and 3:

9. The polymer resin composition of claim 1, wherein in the polyester tetrapolymer, the diol component further includes 1,4-cyclohexanediol and ethylene glycol.

10. The polymer resin composition of claim 1, wherein the unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer is a core-shell rubber, its average particle size is 0.01 to 5 μ

m, its graft ratio is 5 to 90%, a glass transition temperature of the core is −

20°

C. or lower, and a glass transition temperature of the shell is 20°

C. or higher.

11. The polymer resin composition of claim 1, wherein in the unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer, unsaturated nitrile is one or more selected from the group consisting of acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, and α

-chloroacrylonitrile.

12. The polymer resin composition of claim 1, wherein in the graft terpolymer, the diene-based rubber is a butadiene-type rubber or an isoprene-type rubber.

13. The polymer resin composition of claim 1, wherein in the graft terpolymer, aromatic vinyl is one or more selected from the group consisting of styrene, α

-methyl styrene vinyltoluene, t-butyl styrene, halogen-substituted styrene, 1,3-dimethyl styrene, 2,4-dimethyl styrene, and ethyl styrene.

14. The polymer resin composition of claim 1, wherein the unsaturated nitrile-diene-based rubber-aromatic vinyl graft terpolymer is an acrylonitrile-butadiene-styrene graft terpolymer.

15. The polymer resin composition of claim 1, wherein the alkylmethacrylate-diene-based rubber-aromatic vinyl graft terpolymer is a methyl methacrylate-butadiene-styrene graft terpolymer.

16. The polymer resin composition of claim 1, wherein the alkylmethacrylate-silicone/alkylacrylate graft terpolymer is a methyl methacrylate-silicone/butyl acrylate graft terpolymer.

17. The polymer resin composition of claim 3, wherein the polycarbonate has a glass transition temperature of 50 to 200°

C. and a weight average molecular weight of 10,000 to 200,000.

18. The polymer resin composition of claim 1, further comprising one or more additives selected from the group consisting of an antioxidant, a lubricant, a light stabilizer, a light absorber, a transesterification inhibitor, and an anti-hydrolysis agent.