JP3347291B2 - Propylene resin composition - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a novel propylene-based resin having excellent anti-fog properties, antistatic properties, workability of injection molding (injection compression molding) and physical properties (rigidity, impact strength). The present invention relates to a resin composition, which relates to a propylene-based resin composition suitable as a material for various products for living materials and industrial parts, particularly for automobile interior parts.

[0002]

2. Description of the Related Art Conventionally, propylene-based resin compositions have been used for various molded products in the field of industrial parts, such as automobile parts such as bumpers, instrument panels, fan shrouds, and glove boxes, and parts for home electric appliances such as televisions, VTRs, and washing machines. Many products have been put to practical use by taking advantage of their excellent moldability, mechanical strength and economical characteristics. However, in recent years, for example, in the field of automobile interior parts, injection molding (injection compression molding) processability, physical property balance (rigidity, impact strength),
Along with the antistatic property, further improvement of the glass fogging preventing property is required. The term "glass fogging" refers to a phenomenon in which glass is fogged by a volatile component of a molded part, and the ability to suppress the fogging is glass fogging prevention, and improving this is extremely useful for safety.

[0003]

DISCLOSURE OF THE INVENTION The present invention relates to a novel molded article having excellent anti-glass fogging properties, antistatic properties, injection molding (injection compression molding) workability and physical property balance (rigidity, impact strength). It is an object of the present invention to provide a propylene-based resin composition, particularly a propylene-based resin composition suitable as a material for various industrial parts, particularly for automobile interior parts.

[0004]

Means for Solving the Problems The present inventors have conducted various studies to solve the above-mentioned problems, and as a result, have found that a specific surfactant, a specific surfactant, A propylene-based resin composition obtained by blending a specific ethylene / α-olefin copolymer rubber and / or a specific talc in a specific ratio by the above method provides excellent glass antifogging property and antistatic property of a molded article. sex,
They have found that they have injection molding (injection compression molding) workability and physical property balance (rigidity, impact strength), and have completed the present invention.

That is, the propylene resin composition of the present invention is characterized by comprising the following components (a) to (d). (A): containing 60 to 96% by weight of a crystalline polypropylene homopolymer portion (A unit portion) and 4 to 40% by weight of an ethylene / propylene-random copolymer portion (B unit portion); The overall melt flow rate (hereinafter,
MFR: 230 ° C., 2.16 kg) is 1 to 200 g / 1
0 minutes, extracted by Soxhlet, weighed by high-temperature gas chromatography, and having a total oligomer amount of 12 to 60 carbon atoms of 3500 ppm by weight or less, propylene / ethylene-block copolymer: 100 parts by weight ( b): Nonionic surfactant: 0.01 to 2 parts by weight (c): 20 to 50 parts of an α-olefin having 3 to 16 carbon atoms
Ethylene / α-olefin copolymer rubber containing 0 to 60 parts by weight (d): Talc having an average particle size of 1.5 to 15 μm: 0 to 6
0 parts by weight

[0006]

DETAILED DESCRIPTION OF THE INVENTION [I] Propylene resin composition Constituents The propylene-based resin composition of the present invention comprises the following components (a) and (b), and optionally, components (c) and (d).
Consists of (1): Propylene-ethylene-block copolymer [component (a)] (i) Structure The propylene-ethylene-block copolymer of the component (a) used in the present invention is a crystal obtained by homopolymerization of propylene. Polypropylene homopolymer portion (A
(Unit unit) of from 60 to 96% by weight, preferably from 60 to 90% by weight, particularly preferably from 65 to 88% by weight, and an ethylene / propylene-random copolymer part (B unit part) obtained by copolymerization of ethylene and propylene. 4) to 40% by weight, preferably 10 to 40% by weight, particularly preferably 1 to 40% by weight.
2 to 35% by weight. Further, the MFR of the whole component (a) is from 1 to 200 g / 10 min, preferably from 5 to 100 g / 10 min, particularly preferably from 20 to 60 g / 10 min.
g / 10 min, and the total amount of oligomers having 12 to 60 carbon atoms extracted by Soxhlet and weighed by high-temperature gas chromatography is 3500 ppm by weight or less, preferably 3000 ppm by weight or less, particularly preferably 250 ppm by weight or less.
It is not more than 0 ppm by weight.

If the content of the crystalline polypropylene homopolymer portion (A unit portion) is less than the above range, the rigidity is insufficient,
On the other hand, if it exceeds the above range, the impact strength becomes insufficient. When the content ratio of the B unit is less than the above range, the impact strength is insufficient, while when it exceeds the above range, the rigidity is insufficient. Also,
MF of the whole propylene / ethylene-block copolymer
If R is less than the above range, the moldability will be poor, and if it exceeds the above range, the impact strength will be insufficient. Furthermore, carbon number 12 ~
If the total oligomer amount of 60 exceeds the above range, the antifogging property of the glass is inferior and unsuitable. Where ethylene
The ethylene content of the propylene-random copolymer part (B unit part) is preferably from 20 to 80% by weight, particularly preferably from 25 to 65% by weight. The density of the unit A is 0.9071 g / cm ³ or more, particularly 0.908, from the viewpoint of rigidity and the like.
1 g / cm ³ or more is preferable.

(Ii) Production The propylene / ethylene-block copolymer of the present invention comprises:
It is manufactured by slurry polymerization, gas phase polymerization or liquid phase bulk polymerization using a highly stereoregular catalyst. As a polymerization method, either batch polymerization or continuous polymerization can be adopted. In producing the propylene / ethylene-block copolymer, first, a propylene homopolymerization is carried out to form a crystalline polypropylene homopolymer portion (A unit portion).
And then forming an ethylene-propylene-random copolymerized portion (B unit portion) by random copolymerization of ethylene and propylene is preferable from the viewpoint of quality. For example, homopolymerization of propylene is performed on a solid component formed by contacting titanium tetrachloride, an organic acid halide and an organosilicon compound with magnesium chloride using a catalyst in which an organoaluminum compound component is combined, and then ethylene and propylene are mixed. It can be produced by performing random copolymerization.

The propylene / ethylene-block copolymer contains other unsaturated compounds, for example, α-olefins such as 1-butene, vinyl esters such as vinyl acetate, etc., within a range not to impair the effects of the present invention. It may be a tertiary or higher copolymer or a mixture thereof. In addition, this propylene-ethylene-block copolymer,
It may be in a pellet form or a powder form, but if anything, the powder form is preferred from the viewpoint of the dispersion and addition effect of the components (b), (c), (d) and (e).

Further, the MFR of the propylene / ethylene-block copolymer may be adjusted only by polymerization.
After the polymerization, it may be arbitrarily adjusted with a peroxide. Examples of peroxides that can be used include peroxides such as methyl isobutyl ketone peroxide, dialkyl peroxides such as 1,3-bis (t-butylperoxy-isopropyl) benzene, and further, hydroperoxides and percarbonates And peroxyesters. The MFR is JIS-K7210 (230
C., 2.16 kg).

The B unit content in the propylene / ethylene-block copolymer is measured by immersing 2 g of the sample in 300 g of boiling xylene for 20 minutes to dissolve, cooling to room temperature, and thereby depositing. This is a value calculated by back-calculation from the solid phase weight obtained by filtering and drying the obtained solid phase through a glass filter.

The total amount of oligomers having 12 to 60 carbon atoms is controlled by appropriately adjusting the degree of purification of raw materials, catalytic activity, solvent purity, polymerization temperature, granulation conditions, etc., and is measured by the following method. is there. <Pretreatment>: Approximately 5 g of the frozen or pulverized pellet or powder was subjected to high temperature (chloroform boiling point) Soxhlet extraction (8 hours) with 150 ml of chloroform to extract oligomers. The total amount of the extract was recovered, and n-C ₁₄ H was used as an internal standard.
₃₀ was added so as to be 1000 ppm by weight with respect to the resin. <Quantitative analysis>: High temperature gas chromatography measurement: Measured under the following conditions. -Gas chromatography equipment = GC-5890 manufactured by Hewlett-Packard Co.-Column = UltraAlloy 1 (HT)-Temperature = 50 ° C (1 minute)-10 ° C / min-390 ° C (5
Detector = Flame ionization detector (FID)-Detector temperature = 390 ° C-Injection method = Cool-on-Inlet port temperature = off-Injection amount = 1 µl Quantitative calculation: According to the following formula.

[0013]

(Equation 1) Amount of oligomer C = ΣCi Ai: Peak area of oligomer component A _ISD : Peak area of internal standard material C _ISD : Concentration of internal standard material Fi: Sensitivity correction coefficient for internal standard Ci: Concentration of oligomer component (ppm by weight)

The ethylene content is measured by infrared spectroscopy or the like. Density is JIS-K71
12 was measured.

(2) Nonionic surfactant [Component (b)] The nonionic surfactant of the component (b) used in the present invention is a so-called electrification of a molded article comprising the resin composition of the present invention. It is used to provide antistatic properties and is also called an antistatic agent. Specific examples include polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, glycerin fatty acid ester,
Examples thereof include alkyldiethanolamine, alkyldiethanolamine ester, alkyldiethanolamide, hydroxyalkylmonoethanolamine, and polyoxyethylene sorbitan monostearate. Also,
These may be used in combination, or a mixture of these or a mixture of these with an inorganic substance such as a higher alcohol or silica. Above all, alkyl diethanolamine, alkyl diethanol amide, glycerin fatty acid ester, alkyl diethanolamine ester, a combination thereof, a mixture thereof, and a mixture thereof with a higher alcohol or an inorganic substance such as silica are preferable. The method for producing these nonionic surfactants is not particularly limited.

(3): Ethylene / α-olefin copolymer rubber [Component (c)] In the present invention, the ethylene / α-olefin copolymer rubber of the component (c) optionally used has 3 to 3 carbon atoms. 1
6, preferably 3 to 10, more preferably 4 to 8 α-
20 to 50% by weight of olefin, preferably 20 to 4%
The content is 5% by weight, particularly preferably 20 to 40% by weight. As specific α-olefins to be contained,
Propylene, 1-butene, 1-pentene, 4-methyl-
1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-undecene, 1-
Dodecene and the like. Here, the copolymer rubber may be a terpolymer rubber with non-conjugated dienes. The method for producing the ethylene / α-olefin copolymer rubber is not particularly limited, and examples thereof include a gas-phase fluidized-bed method, a solution method, a slurry method, and a high-pressure polymerization method. Further, these are preferably those using a vanadium compound-based catalyst or a metallocene-based catalyst as shown in WO-91 / 04257 for polymerization, and the latter is particularly preferred. When the content of the α-olefin is less than the above range, the impact strength of the resin composition of the present invention is inferior. On the other hand, when the content is more than the above range, the rigidity is reduced, so that each is unsuitable. Here, the content of the α-olefin is determined by a conventional method such as an infrared spectrum analysis method or a ¹³ C-NMR method (generally, the value obtained by the infrared spectrum analysis method is smaller as the density is lower as compared with the ¹³ C-NMR method). (Which tends to be about 10-50%).

(4) Talc [Component (d)] The talc of the component (d) optionally used in the present invention has an average particle size of 1.5 to 15 μm, preferably 1.5 to 10 μm. It is. The talc is effective for improving the rigidity and for stabilizing and adjusting the dimensions of the molded product. Further, the talc preferably has an average aspect ratio of 4 or more, particularly preferably 5 or more. The talc is first produced by, for example, pulverizing raw talc with an impact-type pulverizer or a micron-mill-type pulverizer, or finely pulverizing with a jet mill or the like, and then adjusting the classification using a cyclone or a micron separator. To be manufactured. Here, the gemstone is preferably made in China because it has a small amount of metal impurity components. The talc may be surface-treated with various metal salts or the like, and may be so-called compressed talc having an apparent specific volume of 2.50 ml / g or less. The average particle size of the talc is a value measured using a laser light scattering type particle size distribution meter, and as a measuring device, for example, a model LA-920 manufactured by HORIBA, Ltd. is preferable because of excellent measurement accuracy. The diameter, length, and aspect ratio of the talc can be determined from values measured with a microscope or the like.

(5): Other components (optional components)
[Component (e)] In the propylene-based resin composition of the present invention, the components (a), (b) and (b) are used in a range that does not significantly impair the effects of the present invention or in order to further improve the performance. In addition to c) and (d), any of the following additives and compounding ingredients can be blended. Specifically, pigments for coloring,
Antioxidants, flame retardants, dispersants, nucleating agents, light stabilizers, various resins other than the above-mentioned components (a), (b), (c) and (d), such as polyethylene, SEBS, SEP, SEPS, etc. Examples include various rubbers, various fillers such as calcium carbonate, mica, and glass fibers, and compounding materials such as cationic and amphoteric antistatic agents. Above all, the addition of a nucleating agent, a hindered amine compound having a relatively high molecular weight or a high melting point, or a benzoate-based compound, while exhibiting the effects of the present invention such as anti-fogging properties at a high level, has high rigidity and heat resistance. It is preferable because further improvement and high weather resistance can be imparted.

2. Blending Ratio The components (b), (c) and (d) to be blended in the propylene-based resin composition of the present invention are blended based on 100 parts by weight of the component (a). Component (b): Nonionic surfactant The compounding ratio of the nonionic surfactant of the component (b) blended in the propylene resin composition of the present invention is based on 100 parts by weight of the component (a). , 0.01 to 2 parts by weight, preferably 0.1 to 1.5 parts by weight, particularly preferably 0.2 to 2 parts by weight.
１1 part by weight. When the compounding ratio is less than 0.01 part by weight, the antistatic property is insufficient, and when it exceeds the above range, the glass antifogging property and the rigidity are inferior and each is unsuitable.

Component (c): Ethylene / α-olefin copolymer rubber The proportion of the ethylene / α-olefin copolymer rubber of the component (c) optionally added to the propylene resin composition of the present invention is as follows. , With respect to 100 parts by weight of the component (a), 0
６０60 parts by weight, preferably 0-30 parts by weight, particularly preferably 0-10 parts by weight. If the compounding ratio exceeds the above range, the rigidity becomes inferior and is unsuitable.

Component (d): Talc In the propylene-based resin composition of the present invention, the proportion of talc of component (d), which is optionally added, is 0 based on 100 parts by weight of component (a). ６０60 parts by weight, preferably 0-30 parts by weight, particularly preferably 0-10 parts by weight. If the compounding ratio exceeds the above range, the impact strength and moldability become poor, which is not suitable.

3. Production of propylene-based resin composition (1) Kneading and granulation The propylene-based resin composition of the present invention comprises the component (a)
Component (b) and, if appropriate, component (c) and component (d) are blended in the above blending ratio, and a single-screw extruder, twin-screw extruder, Banbury mixer, roll mixer, Brabender-Plastograph, kneader or the like is used. It is obtained by kneading and granulating using a kneader. In this case, it is desirable to select a kneading / granulating method capable of improving the dispersion of each component, and usually kneading / granulating is performed using a single-screw or twin-screw extruder. During the kneading and granulation, the components (a) and (b), and optionally the components (c) and (d) may be kneaded at the same time. It is also possible to divide each component, for example, first knead some or all of component (a) and component (d), and then knead and granulate the remaining components.

(2) Molding of propylene-based resin composition The propylene-based resin composition thus obtained is molded by injection molding (including gas injection molding) or injection compression molding (press injection). Various molded products can be obtained.

[II] Physical Properties of Propylene-Based Resin Composition The propylene-based resin composition of the present invention produced by the above-mentioned method has good anti-fogging property (haze value), preferably 20% or less, especially haze value. It is preferably at most 10%, and has a good antistatic property, preferably a surface resistivity of 1 ×.
In addition to being 10 ¹⁴ Ω or less, particularly preferably 1 × 10 ¹³ Ω or less, MFR is preferably controlled to 15 g / 10 min or more, particularly preferably 25 g / 10 min or more, and injection molding processability and injection compression molding processability are controlled. Is good. Further, the flexural modulus is preferably 1000 Mpa or more, particularly preferably 1100 Mpa or more, and notched Izo.
d Impact strength (23 ° C.) is preferably 5 KJ / m ² or more,
Particularly preferably, each performance of practically sufficient level of 7 KJ / m ² or more can be exhibited.

[III] Applications Since the propylene-based resin composition of the present invention can exhibit the above-mentioned performance, it can be used as a molding material for various industrial parts such as products for various living materials, automobile parts and home electric appliances. Especially, it is suitable as a molding material for interior parts such as automobile parts, especially trims, center pillars, door trims, instrument panel parts, consoles and the like.

[0026]

EXAMPLES In order to describe the propylene-based resin composition of the present invention in more detail, specific examples will be shown below, but the present invention is not limited to these examples. [I] Raw materials The raw materials here are as follows. (1) Component (a): Both contain an antioxidant and a nucleating agent, and the powdery product has been dry-blended. a-1: 8 units of A unit having a density of 0.9092 g / cm ³
14% by weight of 6% by weight and 14% by weight of a B unit having an ethylene content of 57% by weight, and the polymerization MFR of the whole component (a) is 32 g.
A propylene / ethylene-block copolymer produced by gas phase polymerization, wherein the total amount of oligomers having 12 to 60 carbon atoms is 1774 ppm by weight, extracted by Soxhlet at / 10 min and calibrated by high-temperature gas chromatography. (Powder) a-2: 7 units of A unit having a density of 0.9091 g / cm ³
4% by weight and 26% by weight of a B unit part having an ethylene content of 45% by weight, and the polymerization MFR of the whole component (a) is 29 g.
A propylene / ethylene-block copolymer produced by gas phase polymerization, wherein the total amount of oligomers having 12 to 60 carbon atoms is 2087 ppm by weight, extracted by Soxhlet at / 10 min and calibrated by high-temperature gas chromatography. (Pellets) a-3: 9 units of A unit having a density of 0.9092 g / cm ³
0% by weight, 10% by weight of each B unit part having an ethylene content of 42% by weight, and the polymerization MFR of the whole component (a) is 20 g.
A propylene-ethylene-block copolymer produced by slurry polymerization, wherein the total amount of oligomers having 12 to 60 carbon atoms is 1590 ppm by weight, extracted by Soxhlet and calibrated by high-temperature gas chromatography at / 10 min. Pellets) a-4: a density of 0.9092 g / cm ³ , a polymerization MFR of the whole component (a) of 35 g / 10 min, and extraction with a Soxhlet, and calibration by a high-temperature gas chromatography.
Propylene homopolymer (pellet) produced by gas phase polymerization having a total oligomer amount of 12 to 60 carbon atoms of 2136 ppm by weight a-5: 8 units of A unit having a density of 0.9092 g / cm ³
5% by weight, 15% by weight of a B unit part having an ethylene content of 58% by weight, and the polymerization MFR of the whole component (a) is 31 g.
A propylene / ethylene-block copolymer produced by gas phase polymerization, wherein the total amount of oligomers having 12 to 60 carbon atoms is 4736 ppm by weight, extracted by Soxhlet at / 10 min and weighed by high-temperature gas chromatography. (Pellet) a-6: 7 units of A unit having a density of 0.9092 g / cm ³
5% by weight, 25% by weight of each B unit part having an ethylene content of 46% by weight, and the polymerization MFR of the whole component (a) is 32 g.
A propylene / ethylene-block copolymer produced by gas phase polymerization, wherein the total amount of oligomers having 12 to 60 carbon atoms is 4845 ppm by weight, extracted by Soxhlet at / 10 min and calibrated by high-temperature gas chromatography. (pellet)

(2) Component (b) b-1: glyceryl monostearate b-2: stearyldiethanolamine b-3: stearyldiethanolamine ester b-4: acyloylamidopropyltrimethylammonium methosulfate (cationic)

(3) Component (c): Pellet c-1: 13.7% by weight of 1-butene (infrared method)
And the MFR is 10.7 g / 10 min and the density is 0.862 g
/ Cm ³ ethylene / 1-butene copolymer rubber produced by a solution polymerization method using a metallocene catalyst at a temperature of 230 ° C. and 2.16 kg.

(4) Component (d) d-1: talc having an average particle size of 5.7 μm and an average aspect ratio of 6

[II] Evaluation method Evaluation was performed by the following method. (1) Glass fogging prevention property: A disc-shaped specimen (punched and prepared from an injection molded sheet) of 80φ × 3 mmt was set in a glass fogging (fogging) test apparatus based on ISO-6452, and the heating temperature was 90 ° C. and the heating time was : 20 hours, treated under test conditions of cooling plate temperature: 20 ° C. After that, the taken-out glass plate was allowed to stand in a standard state for 1 hour, and then JI
The haze value determined by the following equation was measured using an integrating sphere light type light transmittance measuring device specified by S-K7105. The smaller the value is, the better the glass fogging prevention property is.

[0031]

(Equation 2)

(2) Antistatic property: The surface resistivity was measured in an atmosphere of 23 ° C. and 50% RH using a super insulation resistance meter (R8340 manufactured by Advantest) in accordance with JEC-148. As the test piece, a disc-shaped test piece of 100φ × 3 mmt (prepared by punching from an injection molded sheet) was used, and the applied voltage was DC5.
At 00V, the application time is 1 minute. Those having this value of 1 × 10 ¹⁴ Ω or less, particularly 1 × 10 ¹³ Ω or less are practically preferable.

(3) MFR: MFR was measured at 230 ° C. under a load of 2.16 kg in accordance with JIS-K7210. This value also serves as a measure of injection molding processability (injection compression molding processability), and those having an MFR of 15 g / 10 min or more are preferable and those having an MFR of 25 g / 10 min or more are particularly preferable.

(4) Flexural modulus: Measured at a temperature of 23 ° C. in accordance with JIS-K7203. This value is also a measure of heat resistance.

(5) Izod impact strength: JIS-K71
According to No. 10, the measurement was performed with a notch at a temperature of 23 ° C.

Examples 1 to 6 and Comparative Examples 1 to 5 The above components (a), (b), (c) and (d) were blended in the proportions shown in Table 1 and mixed with a mixer. ,
Mix well. However, Comparative Example 4 is excluded. Thereafter, the pellets were kneaded and granulated using a single screw extruder manufactured by Mitsubishi Heavy Industries, Ltd. [Example 6 was a high-speed twin screw extruder manufactured by Kobe Steel Ltd.], and the resulting pellets (however, Comparative Example 4 was The polymerized pellet) was supplied to an injection molding machine, and a test piece for evaluation was molded and evaluated. Table 2 shows the evaluation results.

As shown in Table 2, each of the resin compositions having the compositions shown in Examples 1 to 6 has good anti-fogging property, anti-static property and fluidity (injection / injection compression molding processability).
And the balance between rigidity and impact strength. On the other hand, those shown in Comparative Examples 1 to 5 had poor performance balance.

[0038]

[Table 1]

[0039]

[Table 2]

[0040]

EFFECT OF THE INVENTION The propylene resin composition of the present invention has excellent antifogging properties for glass of a molded article, antistatic properties, injection molding (injection compression molding) workability, and a balance of physical properties (rigidity,
(Strength of impact), so that it is suitable for various industrial parts such as products for various living materials, automobile parts and home appliance parts.
It is an important material for molding interior parts such as automobile parts, especially trims, center pillars, door trims, and instrument panel parts.

Continued on the front page (72) Inventor Hiroshi Takeguchi 1 Toho-cho, Yokkaichi-shi, Mie Pref., In the Yokkaichi office of Mitsubishi Chemical Corporation (72) Inventor Tomoko Okuyama 1-Toho-cho, Yokkaichi-shi, Mie Pref. References JP-A-11-323070 (JP, A) JP-A-11-140227 (JP, A) JP-A-10-292072 (JP, A) JP-A-8-134289 (JP, A) JP-A-9-235429 (JP, A) JP-A-9-124736 (JP, A) JP-A-9-71712 (JP, A) JP-A 8-151419 (JP, A) A) (58) Field surveyed (Int. Cl. ⁷ , DB name) C08L 53/00

Claims (2)

(57) [Claims] 1. A propylene-based resin composition comprising the following components (a) to (d). (A): containing 60 to 96% by weight of a crystalline polypropylene homopolymer portion (A unit portion) and 4 to 40% by weight of an ethylene / propylene-random copolymer portion (B unit portion); Overall melt flow rate (MF
R: 230 ° C., 2.16 kg) is 1 to 200 g / 10 min, and the total amount of oligomers having 12 to 60 carbon atoms extracted by Soxhlet and weighed by high-temperature gas chromatography is 3500 ppm by weight or less. Propylene / ethylene-block copolymer: 100 parts by weight (b): nonionic surfactant: 0.01 to 2 parts by weight (c): α-olefin having 3 to 16 carbon atoms in 20 to 50 parts
Ethylene / α-olefin copolymer rubber containing 0 to 60 parts by weight (d): Talc having an average particle size of 1.5 to 15 μm: 0 to 6
0 parts by weight 2. Glass antifogging property (haze value) of 20% or less, antistatic property (surface resistivity) of 1 × 10 ¹⁴ Ω or less, melt flow rate (MFR: 230 ° C., 2.16 kg)
The propylene-based resin composition according to claim 1, wherein the propylene resin composition has a performance of 15 g / 10 min or more, a flexural modulus of 1000 Mpa or more, and an Izod impact strength (23 ° C) of 5 KJ / m ² or more.