JP3442534B2 - Aromatic polycarbonate resin composition and molded article - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a metallic aromatic polycarbonate resin composition having good fluidity, impact resistance and heat resistance, which uses a compact disk whose unnecessary substrate is an aromatic polycarbonate resin, and a composition thereof. It relates to molded articles. Compact discs are used by many users, and the volume produced is increasing year by year. Therefore, there are an increasing number of unnecessary compact discs that are no longer used, compact discs that are returned from dealers, or defective discs that are produced during production, such as so-called compact discs that should be regenerated. ing. The present invention aims to recycle these unnecessary compact discs from the viewpoint of effective use of resources and environmental protection.

[0002]

2. Description of the Related Art Conventionally, as a method of recycling a compact disc whose substrate is made of an aromatic polycarbonate resin, the aluminum film, ink, UV coating film, etc. adhering to the compact disc are removed and the resin of the substrate is reused. A method of using is considered. However, as a method of removing these aluminum film, ink, UV coating film, etc., a physical method such as a method of cutting and polishing the surface of a compact disk, a method of vibration compression, or a chemical method using an acid, an alkali or the like can be considered. However, the operation is complicated and the cost is high, which is not general. On the other hand, if you do not remove the aluminum film, ink, UV coating film, etc. adhering to the compact disc and pulverize and re-melt-mold as it is,
The aromatic polycarbonate resin as the substrate is decomposed, the viscosity average molecular weight is lowered, and the mechanical properties of the molded article are lowered, so that its use is difficult.

[0003]

DISCLOSURE OF THE INVENTION An object of the present invention is to crush and use a compact disc whose unnecessary substrate is an aromatic polycarbonate resin as it is, to obtain fluidity, impact resistance,
It is intended to provide an aromatic polycarbonate resin composition having a good metallic appearance with good heat resistance and a molded article made from the same.

[0004]

According to the present invention, (A)
(A-1) Compact disc pulverized product whose substrate is an aromatic polycarbonate resin 10 to 100% by weight (a-1
Component) and (A-2) Aromatic polycarbonate resin 9
A resin mixture (a component) consisting of 0 to 0% by weight (a-2 component) and a thermoplastic graft copolymer (b component) obtained by grafting an aromatic vinyl compound and a vinyl cyanide compound onto a (B) diene rubber component. Thus, the aromatic polycarbonate resin composition [I] and the molded article made from the aromatic polycarbonate resin composition [I] in which the weight ratio of the component a to the component b is in the range of 15:85 to 95: 5 are provided.

Aromatic polycarbonate resin composition [I]
The component a used in is a crushed compact disc (a-1) whose substrate is an aromatic polycarbonate resin.
Component) and an aromatic polycarbonate resin (a-2 component). The compact disc pulverized product whose substrate of the a-1 component is an aromatic polycarbonate resin is a so-called defective compact disc that is generated from every route from the production of the compact disc to the after-sales and is no longer needed. Is crushed. Further, an aluminum film, ink, a UV coating film, etc. are attached to these compact discs, and the attached aluminum film gives a metallic appearance. The amount of aromatic polycarbonate in the compact disc (100% by weight) is preferably 90% by weight or more,
95% by weight or more is more preferable, and 99% by weight or more is further preferable.

The aromatic polycarbonate resin used for the substrate of the compact disc is usually obtained by reacting a dihydric phenol with a carbonate precursor by a solution method or a melting method. Examples of the dihydric phenol used here include 2,2-bis (4-hydroxyphenyl) propane (hereinafter abbreviated as bisphenol A),
Bis (4-hydroxyphenyl) methane, 2,2-bis (4-hydroxy-3,5-dimethylphenyl) propane, 1,1-bis (4-hydroxyphenyl) ethane,
2,2-bis (4-hydroxy-3-methylphenyl)
Examples thereof include bis (4-hydroxyphenyl) alkane such as propane and bis (4-hydroxyphenyl) sulphone, and bis (4-hydroxyphenyl) alkane is preferable, and bisphenol A is particularly preferable.
As the carbonate precursor, carbonyl halide, diaryl carbonate, haloformate, or the like is used, and specific examples thereof include phosgene, diphenyl carbonate, dihaloformate of dihydric phenol, or a mixture thereof. In producing the aromatic polycarbonate resin, the dihydric phenol may be used alone or in combination of two or more, and if necessary, a molecular weight modifier, an antioxidant, a catalyst for accelerating the reaction, etc. may be used. May be. Further, this aromatic polycarbonate resin may be a branched polycarbonate resin obtained by copolymerizing a trifunctional or higher-functional polyfunctional aromatic compound or a mixture of two or more kinds of aromatic polycarbonate resins. Usually, those having a viscosity average molecular weight of about 14,000 to 16,000 are preferably used.

The viscosity average molecular weight (M) referred to here is 2
Intrinsic viscosity [η] determined using methylene chloride as a solvent at 0 ° C
Is calculated by inserting [Η] = 1.23 × 10 ⁻⁴ M ^0.83

On the other hand, the a-2 component aromatic polycarbonate resin is the same as the aromatic polycarbonate resin used for the substrate described in the a-1 component. The viscosity average molecular weight is 10,000 to 60,000
0 is preferable, and 13,000 to 50,000 is more preferable.

In the component a, the mixing ratio of the component a-1 and the component a-2 is 90 to 0% by weight with respect to the component a-1 of 10 to 100% by weight. ~ 1
The a-2 component is preferably 70 to 0% by weight with respect to 00% by weight. When the component a-1 is less than 10% by weight (a-2
If the amount of the component exceeds 90% by weight), it becomes unsuitable for the purpose of recycling a large amount of useless compact discs, and it does not have a metallic appearance, which is not preferable.

Aromatic polycarbonate resin composition [I]
The thermoplastic graft copolymer used as the b component in (b) is a copolymer having a diene rubber component as a backbone and a graft copolymerizable aromatic vinyl compound component and vinyl cyanide compound component graft-polymerized. Examples of the resin include ABS resin. The impact resistance of the aromatic polycarbonate resin composition is improved by using the thermoplastic graft copolymer. Examples of the diene rubber component of the thermoplastic graft copolymer include polybutadiene, polyisoprene and styrene-butadiene copolymer, and polybutadiene is preferably used. Examples of the aromatic vinyl compound component grafted to these diene rubber components include styrene and
Examples include α-methylstyrene, halogenated styrene, vinyltoluene and the like, and styrene is preferably used. Examples of the vinyl cyanide compound component include acrylonitrile, methacrylonitrile and chloroacrylonitrile, and acrylonitrile is preferably used. These thermoplastic graft copolymers may be produced by any one of bulk polymerization, solution polymerization, suspension polymerization and emulsion polymerization, and the copolymerization method may be one-stage copolymerization or multi-stage copolymerization. Absent. Further, two or more kinds of copolymers may be mixed and used.

Aromatic polycarbonate resin composition [I]
The blending ratio of the component a and the component b used in the above is 85 to 5% by weight of the component b to 15 to 95% by weight of the component a, preferably 70 to 50% of the component b to 30 to 85% by weight of the component a. 15% by weight, more preferably component a 50
The component b is 50 to 30% by weight with respect to 70% by weight.
If the amount of the component a is less than 15% by weight, that is, if the amount of the component b exceeds 85% by weight, the heat resistance is deteriorated and the amount of the component a is 95%.
If the amount of the component b exceeds 5% by weight and the amount of component b is less than 5% by weight, the impact resistance decreases, which is not preferable.

Further, according to the present invention, (A) (A-1) a compact disc pulverized product whose substrate is an aromatic polycarbonate resin 10 to 100% by weight (a-1 component) and (A-2) aromatic polycarbonate Resin 90 to 0% by weight
The resin mixture (a component) comprising (a-2 component) and (B) a thermoplastic graft copolymer (b component) in which an aromatic vinyl compound and a vinyl cyanide compound are grafted to a diene rubber component, the a component and the b component. (C) with respect to 100 parts by weight of the thermoplastic resin component and the resin component whose ratio by weight is in the range of 20:80 to 95: 5.
Provided are an aromatic polycarbonate resin composition [II] consisting essentially of 1 to 10 parts by weight of an elastic polymer (component c), and molded articles made from the same.

Aromatic polycarbonate resin composition [I
As the component a and the component b in [I], the same ones as those described above for the component a and the component b in the aromatic polycarbonate resin composition [I] are used. In the aromatic polycarbonate resin composition [II], the mixing ratio of the a-1 component and the a-2 component is the same as that of the aromatic polycarbonate resin composition [I].
The a-2 component is 90 to 0% by weight with respect to 100% by weight, and the a-2 component is 70 to 0% by weight with respect to the a-1 component of 30 to 100% by weight.

Aromatic polycarbonate resin composition [I
The mixing ratio of the component a and the component b used in [I] is
The component a is 20 to 95% by weight, the component b is 80 to 5% by weight, the component a is 50 to 90% by weight, the component b is 50 to 10% by weight, and more preferably the component a 60. The component b is 40 to 15% by weight with respect to 85% by weight. If the amount of the component a is less than 20% by weight, that is, if the amount of the component b exceeds 80% by weight, the heat resistance will decrease.
When the amount of the component a exceeds 95% by weight and the amount of the component b is less than 5% by weight, the impact resistance is lowered, which is not preferable.

Aromatic polycarbonate resin composition [I
The elastic polymer used as the component c in [I] is a
It is used to further improve the impact resistance of the thermoplastic resin component consisting of the component and the component b. Examples of this elastic polymer include butadiene-alkyl methacrylate-
Acrylic elastic polymers such as styrene copolymer, butadiene-alkyl methacrylate-styrene-divinylbenzene copolymer and butadiene-alkyl acrylate-alkyl methacrylate copolymer, and polyorganosiloxane rubber component and polyalkyl (meth) acrylate rubber component Examples thereof include a composite elastic polymer having a structure in which and are intertwined with each other. These elastic polymers can be used alone or in combination of two or more kinds.

The above-mentioned composite elastic polymer is preferably 10 to 90% by weight of a polyorganosiloxane rubber component and 90 to 10% by weight of a polyalkyl (meth) acrylate rubber component.
(A total amount of each rubber component is 100% by weight), which is a composite rubber having a structure in which both rubber components are entangled with each other and cannot be substantially separated, and whose average particle diameter is 0.08 to 0.6 μm. Particularly preferred is a composite rubber graft copolymer obtained by further graft-polymerizing a vinyl monomer to the above composite rubber. As a method for producing the same, the above-mentioned alkyl (meth) acrylate, a cross-linking agent and a graft crossing agent are added to the latex of the polyorganosiloxane rubber component, and the polyorganosiloxane rubber particles are impregnated, followed by normal radical polymerization initiation. It is carried out by acting an agent. As the polymerization progresses, a crosslinked network of polyalkyl (meth) acrylate rubber entangled with each other in the crosslinked network of polyorganosiloxane rubber is formed, and a polyorganosiloxane rubber component and a polyalkyl (meth) acrylate rubber component which are substantially inseparable are formed. A composite rubber latex of is obtained. Regarding this composite elastic polymer, for example, JP-A-1-23066 is used.
It is described in detail in Japanese Patent No. 4 publication. This composite elastic polymer is sometimes referred to as an IPN polymer.

Aromatic polycarbonate resin composition [I
The amount of the elastic polymer used as the C component in [I] is the thermoplastic resin component 1 including the a component and the b component.
The amount is 1 to 10 parts by weight, preferably 2 to 8 parts by weight, based on 00 parts by weight. If it is less than 1 part by weight, the improvement of impact resistance is insufficient, and if it exceeds 10 parts by weight, fluidity, heat resistance and rigidity are deteriorated, which is not preferable.

Further, according to the present invention, (A) (A-1)
A resin mixture (a) comprising 10 to 100% by weight of a compact disc pulverized product whose substrate is an aromatic polycarbonate resin (a-1 component) and (A-2) 90 to 0% by weight of an aromatic polycarbonate resin (a-2 component). Aromatic polycarbonate resin composition [III] and a molded article made thereof, which are substantially composed of 3 to 20 parts by weight of (C) elastic polymer (component (c)) per 100 parts by weight of component) and the resin mixture thereof. It

Aromatic polycarbonate resin composition [II
The components a and c in [I] are the aromatic polycarbonate resin compositions [I] and [I] described above, respectively.
The same thing as the description of the component a in I] and the component c in the aromatic polycarbonate resin composition [II] is used.

Aromatic polycarbonate resin composition [II
I], the mixing ratio of the a-1 component and the a-2 component is the aromatic polycarbonate resin composition [I] and [II].
Similarly to the mixing ratio in (a), the a-1 component is 10 to 100% by weight and the a-2 component is 90 to 0% by weight, and the a-1 component is 30 to 100% by weight and the a-2 component is 70 to 0% by weight. % Is preferred.

In the aromatic polycarbonate resin [III], the elastic polymer used as the component c is used for the purpose of improving the impact resistance of the resin mixture which is the component a. The amount of the elastic polymer compounded is 3 to 20 parts by weight, preferably 5 to 1 part by weight, based on 100 parts by weight of the resin mixture.
0 parts by weight. If it is less than 3 parts by weight, the improvement of impact resistance is insufficient, and if it exceeds 20 parts by weight, fluidity, heat resistance and rigidity are lowered, which is not preferable.

Further, according to the present invention, the above-mentioned aromatic polycarbonate resin compositions [I], [II] and [II].
It is preferable that (D) further contains (D) a phosphite ester (d-1 component) and / or a phosphite ester (d-2 component). By blending the d-1 component and / or the d-2 component, the thermal stability of the aromatic polycarbonate resin compositions [I], [II] and [III] is further improved and the viscosity average molecular weight is lowered. Suppressed.

Examples of the phosphite used as the component d-1 in the present invention include triphenyl phosphite, distearyl pentaerythritol diphosphite, trisnonylphenyl phosphite and tris (2,4-di-t).
ert-butylphenyl) phosphite, tridecylphosphite, trioctylphosphite, trioctadecylphosphite, didecyl-monophenylphosphite, dioctyl-monophenylphosphite, diisopropyl-monophenylphosphite, monobutyl-diphenylphosphite, Monodecyl-diphenylphosphite, monooctyl-diphenylphosphite, bis (2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite, 2,2-methylenebis (4,6-di-tert- Butylphenyl)
The triester or ester part of phosphorous acid such as octyl phosphite, bis (nonylphenyl) pentaerythritol diphosphite and bis (2,4-di-tert-butylphenyl) -4,4-diphenylenephosphonite is an alkyl group. , A diester or a monoester substituted with a phenyl group, an alkylaryl group or the like, and these may be used alone or in combination of two or more kinds. Of these, trisnonylphenyl phosphite and distearyl pentaerythritolyl diphosphite are preferable.

The phosphoric acid ester used as the d-2 component in the present invention is, for example, tributyl phosphate, trimethyl phosphate, tricresyl phosphate, triphenyl phosphate, trichlorophenyl phosphate,
Examples thereof include triethyl phosphate, diphenyl cresyl phosphate, diphenyl monoorthoxenyl phosphate, tributoxyethyl phosphate, dibutyl phosphate, dioctyl phosphate and diisopropyl phosphate. These may be used alone or in combination of two or more. . Of these, triphenyl phosphate and trimethyl phosphate are preferable.

With respect to the aromatic polycarbonate resin composition [I], the compounding amount of the d-1 component and / or the d-2 component used in the present invention is 100 parts by weight of the composition [I]. Aromatic polycarbonate resin composition [I
I] is 100 parts by weight of the thermoplastic resin component consisting of the components a and b, and the aromatic [III] is 0.1 parts by weight of the resin mixture of the component a.
005 to 2.0 parts by weight is preferable. More preferably 0.0
08-1.8 parts by weight, more preferably 0.01-1.5
Parts by weight. When the blending amount of the d-1 component and / or the d-2 component is less than 0.005 parts by weight, the aromatic polycarbonate resin composition [I], [II] and [III]
Has little effect on the thermal stability of the aromatic polycarbonate resin composition [I] or [II].
Also, the impact resistance and rigidity of [III] are lowered, which is not preferable.

The aromatic polycarbonate resin composition [I], [II] and [III] of the present invention may further contain a colorant. A-1 in the aromatic polycarbonate resin compositions [I], [II] and [III]
Since the compacted disc pulverized product used as a component is provided with an aluminum film, the aluminum film shines and has a beautiful metallic appearance. In particular, it is preferable to use a dye-based coloring agent in order to obtain a transparent and beautiful metallic appearance. However, in the case where carbon black is used and a metallic appearance is required, a beautiful metallic appearance can be obtained by reducing the amount of carbon black compounded as much as possible. Further, the aromatic polycarbonate resin composition of the present invention may be blended with an effective expression amount of additives within a range that does not impair the purpose and effects, for example, other stabilizers and impact modifiers, release agents, ultraviolet rays. You may mix | blend an absorber, an antistatic agent, a flame retardant, a plasticizer, a lubricant, etc.

In the present invention, any method may be used to obtain a molded product having the metallic appearance described above. For example, a method of melt-kneading all the components to be used is preferably adopted, and commonly used ones such as a single screw extruder, a twin screw extruder, and a pressure kneader can be used. A twin-screw extruder with a vent is particularly preferable, and one capable of evacuating from the vent is preferable. In this case, the compact disc of the component a-1 is crushed by a crusher or the like, and particularly preferably crushed to have a particle size of 30 mm or less. If it is not pulverized, it is difficult to uniformly mix it with other components, and it becomes difficult to supply it to an extruder or the like used for melt-kneading, so that a satisfactory molded product cannot be obtained. However, the particle size here means the major axis of the pulverized product. The raw materials to be used may be mixed in advance with a tumbler, a blender, a Nauter mixer, a Banbury mixer, a kneading roll or the like, or may be independently supplied using a measuring machine.

The present invention is intended to recycle unnecessary compact discs from the viewpoint of effective use of resources and environmental protection. The aromatic polycarbonate resin compositions [I], [II] and [III] has good fluidity, heat resistance, and impact resistance obtained by crushing as it is without removing the aluminum film, ink, UV coating film, etc. adhering to the unnecessary compact disc, and remelting. It has a metallic appearance. The aromatic polycarbonate resin compositions [I], [II] and [III] of the present invention are useful for parts such as OA parts, household appliances, audio parts and sundries.

Examples 1-40 and Comparative Examples 1-8 The present invention will be further described with reference to the following examples. Table 1
After mixing the components described in No. 3 with a tumbler at the ratios shown in Tables 1 to 3, a twin-screw extruder with a vent having a diameter of 30 mm φ [PCM30 type manufactured by Ikegai Tekko KK] was evacuated from the vent at a cylinder temperature of 260 ° C. It was melt-kneaded and extruded into pellets. After drying these pellets at 110 ° C. for 5 hours, an injection molding machine [S480 / 150 manufactured by Sumitomo Heavy Industries, Ltd.]
The test pieces prepared at a cylinder temperature of 260 ° C. and a mold temperature of 70 ° C. were evaluated by the following methods (1) to (4). The evaluation results are shown in Tables 1 to 3. (1) Fluidity (melt flow rate): JIS K-7
According to 210, the measurement was performed at a load of 2.16 kgf and a temperature of 250 ° C. (2) Impact strength with Izod notch: Measured according to ASTM D-256 with a test piece thickness of 3.2 mm. (3) Deflection temperature under load: Measured in accordance with JIS K-7207 under a load of 18.5 kgf / cm ² . (4) Appearance: visually determined.

The symbols showing the components shown in Tables 1 to 3 are as follows. a-1 component Compact disc pulverized product [Product] Bisphenol A whose substrate has a viscosity average molecular weight of 15,000
A pulverized product of an aromatic polycarbonate resin obtained by crushing a compact disc of 120 mm in diameter with an aluminum film, the amount of which is 99.6% by weight in a compact disc, by a pulverizer to obtain an average particle size of 6 mm. . a-2 component bisphenol A aromatic polycarbonate resin pellets (viscosity average molecular weight: 15,000) b component ABS-1: ABS resin [Santac UT-61 manufactured by Mitsui Toatsu Chemicals, Inc.] ABS-2: ABS resin [ Daicel Chemical Industry Co., Ltd. Sebian V-680] c-component elastic polymer-1: butadiene-alkyl acrylate-alkyl methacrylate copolymer [Kureha Chemical Industry Co., Ltd. Paraloid EXL2602] Elastic assembly-2: butadiene -Styrene-methyl methacrylate copolymer [Kaneace B manufactured by Kanegafuchi Chemical Industry Co., Ltd.
56] Elastic Polymer-3: A composite elastic polymer of a polyorganosiloxane rubber component and a polyalkyl (meth) acrylate rubber component [METABRENE S-200 manufactured by Mitsubishi Rayon Co., Ltd.
1] d-1 component phosphite: trisnonylphenyl phosphite d-2 component phosphite: trimethyl phosphate colorant colorant-1: perinone red dye [Arimoto Chemical Industry Co., Ltd.
Plastread 8370] Colorant-2: Carbon black [Mitsubishi Kasei Co., Ltd. MA
-100]

[0031]

[Table 1]

[0032]

[Table 2]

[0033]

[Table 3]

[0034]

EFFECT OF THE INVENTION The aromatic polycarbonate resin composition of the present invention is used as it is, without removing the unnecessary compact disc whose substrate is an aromatic polycarbonate resin, without removing the aluminum film, ink, UV coating film and the like adhering thereto. It has a metallic appearance with good fluidity, impact resistance, and heat resistance obtained by crushing and remelting, and it is a waste compact disc reproduction from the viewpoint of effective use of resources and environmental protection. It is excellent in use and the industrial effect of the present invention is exceptional.

Claims (16)

(57) [Claims] 1. A compact disc pulverized product 10 wherein (A) and (A-1) substrates are aromatic polycarbonate resins.
An aromatic vinyl compound and a resin mixture (component a) consisting of 100% by weight (a-1 component) and 90 to 0% by weight (A-2) aromatic polycarbonate resin (a-2 component) and (B) a diene rubber component. It substantially consists of a thermoplastic graft copolymer (b component) grafted with a vinyl cyanide compound, and the ratio of the a component to the b component is 15:
An aromatic polycarbonate resin composition in the range of 85 to 95: 5. 2. The resin mixture (a component) comprises 30 to 100% by weight of a compact disc pulverized product whose substrate is an aromatic polycarbonate resin (a-1 component) and 70 to 0% by weight of an aromatic polycarbonate resin (a-). The aromatic polycarbonate resin composition according to claim 1, which is a resin mixture comprising two components). 3. The weight ratio of the component a and the component b is 3
The aromatic polycarbonate resin composition according to claim 1, which is in the range of 0:70 to 85:15. 4. The aromatic polycarbonate resin composition 1
The amount of (D) phosphite ester (d-1 component) and / or phosphoric acid ester (d-2 component) was 0.00 parts by weight based on 0.
The aromatic polycarbonate resin composition according to claim 1, further comprising 005 to 2.0 parts by weight. 5. A molded product having a metallic appearance obtained by molding the aromatic polycarbonate resin composition according to claim 1. 6. A compact disc pulverized product (A) (A-1), wherein the substrate is an aromatic polycarbonate resin.
An aromatic vinyl compound and a resin mixture (component a) consisting of 100% by weight (a-1 component) and 90 to 0% by weight (A-2) aromatic polycarbonate resin (a-2 component) and (B) a diene rubber component. It is composed of a thermoplastic graft copolymer (b component) grafted with a vinyl cyanide compound, and the ratio of the a component to the b component is 20:80 to 9 by weight.
An aromatic polycarbonate resin composition consisting essentially of 1 to 10 parts by weight of the (C) elastic polymer (component c) per 100 parts by weight of the thermoplastic resin component and the resin component in the range of 5: 5. 7. The resin mixture (a component) comprises 30 to 100% by weight (a-1 component) of a compacted disc pulverized product whose substrate is an aromatic polycarbonate resin and 70 to 0% by weight (a-) of an aromatic polycarbonate resin. The aromatic polycarbonate resin composition according to claim 6, which is a resin mixture composed of two components). 8. The weight ratio of the component a to the component b is 5.
The aromatic polycarbonate resin composition according to claim 6, which is in the range of 0:50 to 90:10. 9. The aromatic polycarbonate resin composition according to claim 6, wherein (C) the elastic polymer is 2 to 8 parts by weight with respect to 100 parts by weight of the thermoplastic resin component. 10. The phosphite ester (d-1 component) and / or the phosphoric acid ester (d-2 component) (D) is 0.005-2.0 parts by weight with respect to 100 parts by weight of the thermoplastic resin component. The aromatic polycarbonate resin composition according to claim 6, which further contains. 11. A molded product having a metallic appearance, which is obtained by molding the aromatic polycarbonate resin composition according to claim 6. 12. A compact disc pulverized product 10 wherein (A) and (A-1) substrates are aromatic polycarbonate resins.
To 100% by weight (a-1 component) and (A-2) aromatic polycarbonate resin 90 to 0% by weight (a-2 component), a resin mixture (a component) and the resin mixture 10
An aromatic polycarbonate resin composition consisting essentially of 3 to 20 parts by weight of (C) elastic polymer (component c) per 0 parts by weight. 13. The resin mixture (a component) comprises 30 to 100% by weight of a compact disc pulverized product whose substrate is an aromatic polycarbonate resin (a-1 component) and 70 to 0% by weight of an aromatic polycarbonate resin (a-). The aromatic polycarbonate resin composition according to claim 12, which is a resin mixture consisting of two components). 14. Based on 100 parts by weight of the resin mixture,
13. The aromatic polycarbonate resin composition according to claim 12, which is 5 to 10 parts by weight of the elastic polymer (C). 15. Based on 100 parts by weight of the resin mixture,
The aromatic polycarbonate resin composition according to claim 12, further comprising 0.005 to 2.0 parts by weight of (D) a phosphite ester (d-1 component) and / or a phosphite ester (d-2 component). 16. A molded product having a metallic appearance, which is obtained by molding the aromatic polycarbonate resin composition according to claim 12.