KR20120077465A - Glass fiber reinforced thermoplastic alloy resin composition and molded product using the same - Google Patents

Abstract

PURPOSE: A glass fiber-reinforced thermoplastic alloy resin composition is provided to improve flexibility, maintaining excellent mechanical properties and thermal properties, and to able to be applied to molded products with large size, complicate structure, or thin thickness. CONSTITUTION: A glass fiber-reinforced thermoplastic alloy resin composition comprises a polyester resin, a vinyl-based graft copolymer, a glass fiber, and a silane compound comprising an amino group in chemical formula 1. The comprised amount of the silane compound is 0.1-1.5 parts by weight based on 100.0 parts by weight of the total weight of the polyester resin, the vinyl-based graft copolymer, and the glass fiber. In chemical formula 1, x is a C1-C20 aminoalkyl group, R^1, R^2, and R^3 is a respectively substituted or unsubstituted C1-C20 alkoxy group.

Description

Glass fiber-reinforced thermoplastic alloy resin composition and molded article using same {GLASS FIBER REINFORCED THERMOPLASTIC ALLOY RESIN COMPOSITION AND MOLDED PRODUCT USING THE SAME}

The present disclosure relates to a glass fiber reinforced thermoplastic alloy resin composition and a molded article using the same.

Blends such as polyester resins / ASA (acrylate-styrene-acrylonitrile) resins and ABS (acrylonitrile-butadiene-styrene) resins / glass fibers are mainly used for molding products of large size and complex structure. In particular, it is widely used for automotive exterior materials.

However, as the inorganic material is reinforced in the blend, the moldability is limited, so that a lot of loads of the injection equipment are generated and the defect rate is high, so that a product having improved fluidity is required.

However, if the flowability is improved, the mechanical and thermal properties are reduced, and there is a limit to the fluidity improvement.

One aspect of the present invention is to provide a glass fiber reinforced thermoplastic alloy resin composition with improved flowability while maintaining excellent mechanical and thermal properties.

Another aspect of the present invention is to provide a molded article using the glass fiber reinforced thermoplastic alloy resin composition.

One aspect of the invention (A) polyester resin; (B) vinyl graft copolymers; (C) glass fibers; And (D) a silane compound represented by the following Formula 1 and comprising an amino group, wherein the silane compound (D) is 0.1 to 1.5 weight parts based on the total amount of (A), (B) and (C) 100 parts by weight. It provides a glass fiber reinforced thermoplastic alloy resin composition to be included as a part.

[Formula 1]

(In the formula 1,

X is a C1 to C20 aminoalkyl group,

R ¹ , R ² and R ³ are each a substituted or unsubstituted C1 to C20 alkoxy group.)

The glass fiber reinforced thermoplastic alloy resin composition is 20 to 72% by weight of the polyester resin (A); 8 to 45 wt% of the vinyl graft copolymer (B); 10 to 60% by weight of the glass fiber (C); And 0.1 to 1.5 parts by weight of the silane compound (D) based on 100 parts by weight of the total amount of (A), (B) and (C).

The polyester resin (A) is polyethylene terephthalate resin, polytrimethylene terephthalate resin, polybutylene terephthalate resin, polyhexamethylene terephthalate resin, polycyclohexane dimethylene terephthalate resin, these resins are modified to amorphous One polyester resin, or a combination thereof.

The vinyl graft copolymer (B) is butadiene rubber, acrylic rubber, ethylene / propylene rubber, styrene / butadiene rubber, acrylonitrile / butadiene rubber, isoprene rubber, ethylene-propylene-diene terpolymer (EPDM) rubber And a vinyl polymer comprising an aromatic vinyl compound, an acrylic compound, a vinyl cyanide compound, or a combination thereof in a rubbery polymer including a polyorganosiloxane / polyalkyl (meth) acrylate rubber or a combination thereof. May include coalescing.

In ¹ H NMR analysis of the glass fiber reinforced thermoplastic alloy resin composition, a peak may be detected at 0 to 0.1 ppm.

The glass fiber reinforced thermoplastic alloy resin composition is an antibacterial agent, heat stabilizer, antioxidant, release agent, light stabilizer, compatibilizer, inorganic additives, surfactants, coupling agents, plasticizers, admixtures, stabilizers, lubricants, antistatic agents, flame retardants, weathering agents It may further include additives including colorants, sunscreens, fillers, nucleating agents, adhesion aids, pressure-sensitive adhesives or combinations thereof.

The melt index of the glass fiber reinforced thermoplastic alloy resin composition may be greater than or equal to 25 g / 10 min.

Another aspect of the present invention provides a molded article manufactured using the glass fiber reinforced thermoplastic alloy resin composition.

Other details of aspects of the invention are included in the following detailed description.

As the glass fiber reinforced thermoplastic alloy resin composition improves fluidity while maintaining excellent mechanical and thermal properties, the glass fiber reinforced thermoplastic alloy resin composition may be applied to a molded article having a large size, a complicated structure, or a thin thickness, and may be particularly useful as an automotive exterior material. Can be.

Figure 1a shows an embodiment 5 in the glass fiber-reinforced thermoplastic frozen represents a ¹ H NMR chart of the resin composition according to Roy, Figure 1b shows a glass fiber reinforced thermoplastic ¹ H NMR chart of the alloy resin composition according to Comparative Example 1.
2A and 2B are photographs showing spiral test evaluation results of the glass fiber reinforced thermoplastic alloy resin compositions of Example 5 and Comparative Example 1, respectively.
3A and 3B are photographs showing spiral test evaluation results of the glass fiber reinforced thermoplastic alloy resin compositions according to Example 6 and Comparative Example 2, respectively.
Figure 4 is a graph showing the viscosity measurement results of the glass fiber reinforced thermoplastic alloy resin composition according to Example 5 and Comparative Example 1.
5 is a graph showing the viscosity measurement results of the glass fiber reinforced thermoplastic alloy resin composition according to Example 6 and Comparative Example 2.

Hereinafter, embodiments of the present invention will be described in detail. However, this is presented as an example, by which the present invention is not limited and the present invention is defined only by the scope of the claims to be described later.

Unless stated otherwise in the present specification, "substituted" means that the hydrogen atom in the compound is a halogen atom (F, Cl, Br, I), hydroxy group, nitro group, cyano group, amino group, azido group, amidino group, hydrazino group, Hydrazono group, carbonyl group, carbamyl group, thiol group, ester group, carboxyl group or salt thereof, sulfonic acid group or salt thereof, phosphoric acid group or salt thereof, C1 to C20 alkyl group, C2 to C20 alkenyl group, C2 to C20 alkoxy Substituted with a substituent of a C1 to C20 alkoxy group, C6 to C30 aryl group, C6 to C30 aryloxy group, C3 to C30 cycloalkyl group, C3 to C30 cycloalkenyl group, C3 to C30 cycloalkynyl group, or a combination thereof Means that.

Unless otherwise specified herein, "(meth) acrylate" means that both "acrylate" and "methacrylate" are possible. Also, "(meth) acrylic acid alkyl ester" means that both "acrylic acid alkyl ester" and "methacrylic acid alkyl ester" are possible, and "(meth) acrylic acid ester" means both "acrylic acid ester" and "methacrylic acid ester". It means everything is possible.

The glass fiber reinforced thermoplastic alloy resin composition according to one embodiment includes (A) polyester resin, (B) vinyl graft copolymer, (C) glass fiber and (D) silane compound.

Hereinafter, each component included in the glass fiber reinforced thermoplastic alloy resin composition according to one embodiment will be described in detail.

(A) polyester resin

The polyester resin is an aromatic polyester resin, and may be a resin polycondensed by melt polymerization from a terephthalic acid or a terephthalic acid alkyl ester and a glycol component having 2 to 10 carbon atoms. In this case, the alkyl means C1 to C10 alkyl.

Examples of the polyester resins include polyethylene terephthalate resins, polytrimethylene terephthalate resins, polybutylene terephthalate resins, polyhexamethylene terephthalate resins, polycyclohexane dimethylene terephthalate resins, and amorphous resins of these resins. Polyester resin etc. can be mentioned, These can be used individually or in mixture of 2 or more.

As an example of mixed use, the polyethylene terephthalate resin and the polybutylene terephthalate resin were mixed and used. At this time, the polyethylene terephthalate resin 10 to 40% by weight and the polybutylene terephthalate resin may be used in a ratio of 60 to 90% by weight. When polyethylene terephthalate resin and polybutylene terephthalate resin are used in the above content ratio, the mechanical strength, heat resistance and workability are excellent.

The polyethylene terephthalate resin may have a crystallinity of 40% or more, specifically, 40 to 60%. When the degree of crystallinity of the polyethylene terephthalate resin is within the above range, not only the dimensional stability and appearance are excellent, but also the degree of mechanical strength, impact resistance, heat resistance, and workability are maintained.

The polyester resin may have a specific gravity of 1.15 kPa to 1.4 g / cm 3 and a melting point of 210 kPa to 280 ° C. When the polyester resin has a specific gravity and melting point in the above range, it is possible to secure excellent mechanical properties and moldability.

The polyester resin may be included in 20 to 72% by weight relative to the total amount of the polyester resin (A), vinyl graft copolymer (B) and glass fiber (C), specifically 30 to 60% by weight May be included. When the polyester resin is included in the above range it can be obtained excellent mechanical properties and impact resistance.

(B) Vinyl Graft  Copolymer

The vinyl graft copolymer may be a copolymer in which 5 to 95 wt% of the vinyl polymer is grafted to 5 to 95 wt% of the rubbery polymer.

The rubbery polymers include butadiene rubber, acrylic rubber, ethylene / propylene rubber, styrene / butadiene rubber, acrylonitrile / butadiene rubber, isoprene rubber, ethylene-propylene-diene terpolymer (EPDM) rubber, polyorganosiloxane / polyalkyl (Meth) acrylate rubber etc. can be mentioned, These can be used individually or in mixture of 2 or more.

Examples of the acrylic rubber may be a (meth) acrylic acid alkyl ester, a (meth) acrylic acid ester or a polymer thereof. In this case, the alkyl may be C1 to C10 alkyl, and specific examples of the (meth) acrylic acid alkyl esters include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, and the like. (Meth) acrylate etc. are mentioned as a specific example of the said (meth) acrylic acid ester.

The vinyl polymer may be an aromatic vinyl compound, an acrylic compound, a vinyl cyanide compound, or a combination thereof.

Examples of the aromatic vinyl compound include styrene, o-ethyl styrene, m-ethyl styrene, p-ethyl styrene, α-methyl styrene, and the like, and these may be used alone or in combination of two or more thereof.

Examples of the acrylic compound include (meth) acrylic acid alkyl esters, (meth) acrylic acid esters, and the like, and these may be used alone or in combination of two or more thereof. In this case, the alkyl may be C1 to C10 alkyl, and specific examples of the (meth) acrylic acid alkyl ester may include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, and butyl (meth) acrylic acid. And the like, and among these, methyl (meth) acrylate may be used. (Meth) acrylate etc. are mentioned as a specific example of the said (meth) acrylic acid ester.

Examples of the vinyl cyanide compound include acrylonitrile, methacrylonitrile, ethacrylonitrile, and the like, and these may be used alone or in combination of two or more thereof.

Specific examples of the vinyl graft copolymer include a butadiene rubber-containing copolymer in which a polymer of the aromatic vinyl compound and the vinyl cyanide compound is grafted to the butadiene rubber, the aromatic vinyl compound and the vinyl cyanide compound to the acrylic rubber And acrylic rubber-containing copolymers in which the polymer of is grafted.

The average particle diameter of the butadiene rubber may be 0.05 to 4 ㎛, when the average particle diameter of the above range can be obtained excellent impact resistance and surface properties.

The method for preparing the butadiene rubber-containing copolymer is well known to those skilled in the art, and any method of emulsion polymerization, suspension polymerization, solution polymerization or bulk polymerization may be used. Emulsification polymerization or bulk polymerization can be used. According to the said emulsion polymerization or block polymerization, an aromatic vinyl compound can be thrown in the presence of butadiene rubber, and it can superpose | polymerize using a polymerization initiator.

The vinyl graft copolymer may be included in an amount of 8 to 45% by weight based on the total amount of the polyester resin (A), the vinyl graft copolymer (B) and the glass fiber (C), and specifically 15 to 30 It may be included in weight percent. When the vinyl graft copolymer is included in the above range, the compatibility of the vinyl graft copolymer is excellent, and thus the physical property variation is reduced, and excellent heat resistance may be obtained.

(C) glass fiber

The glass fiber is commonly used commercially, the diameter of 8 to 20 ㎛, the length of 1.5 to 8 mm can be used. When the diameter of the glass fiber has the above range can be obtained an excellent impact reinforcement effect, when the length of the glass fiber has the above range it is easy to put into the extruder and the impact reinforcement effect can be greatly improved.

The glass fibers may be carbon fibers, basalt fibers, fibers made from biomass, or the like, and these may be used alone or in combination of two or more thereof. The biomass means a living organism using a plant or a microorganism as an energy source.

The glass fiber may be a circular cross-section, elliptical, rectangular, or a dumbbell-shaped one connected two circles.

The glass fiber may have an aspect ratio of less than 1.5, and specifically, a circular shape having an aspect ratio of 1 may be used. The aspect ratio is then defined as the ratio of the longest diameter to the smallest diameter in the cross section of the glass fiber. When using a glass fiber having an aspect ratio of the cross section, it is possible to lower the unit cost of the product in terms of cost, and to improve the dimensional stability and appearance by using a glass fiber having a circular cross section.

The glass fiber may be treated with a predetermined glass fiber treatment agent to prevent the reaction of the polyester resin and to improve the impregnation degree. Treatment of the glass fiber may be processed at the time of fiber manufacture or in a later step.

Lubricating agents, coupling agents, surfactants, etc. may be used as the glass fiber treatment agent. The lubricant may be used to form good strands having a constant diameter and thickness in the manufacture of glass fibers, and the coupling agent serves to impart good adhesion between the glass fibers and the resin. When such various glass fiber treatment agents are appropriately selected and used according to the type of resin and glass fiber used, good physical properties are given to the reinforcing material of the glass fiber.

The glass fiber may be included in 10 to 60% by weight based on the total amount of the polyester resin (A), vinyl graft copolymer (B) and glass fiber (C), specifically, 20 to 40% by weight Can be. When the glass fiber is included in the above range has excellent heat resistance, good flowability can be obtained excellent moldability.

(D) Silane  compound

The silane compound may be represented by the following Formula 1.

[Formula 1]

(In the formula 1,

X is a C1 to C20 aminoalkyl group,

R ¹ , R ² and R ³ are each a substituted or unsubstituted C1 to C20 alkoxy group.)

The silane compound contains an amino group. The silane compound including the amino group may be included in an amount of 0.1 to 1.5 parts by weight based on the total amount of 100 parts by weight of the polyester resin (A), the vinyl graft copolymer (B) and the glass fiber (C), and specifically, As may be included in 0.3 to 0.7 parts by weight. When the silane compound is included in the above range, the fluidity may be improved, the productivity may be excellent by maintaining the appropriate reactivity, and the mechanical weight may also be maintained by maintaining the appropriate weight average molecular weight.

When reinforcing glass fibers in the alloy resin, the fluidity may be reduced due to the low dispersibility of the glass fibers. According to one embodiment, the dispersibility of the glass fiber can be improved through the hydrogen bonding and condensation reaction of the alkoxy group and the glass fiber present in the silane compound by adding the silane compound, decomposition or entanglement phenomenon of the alloy resin by the amino group (entanglement) can be reduced to improve the fluidity of the alloy resin.

The presence and content of the silane compound including the amino group in the glass fiber reinforced thermoplastic alloy resin composition according to one embodiment may be confirmed by ¹ H NMR data. Specifically, in ¹ H NMR (CDCl ₃ ) analysis, peaks may be detected at 0 to 0.1 ppm.

(E) other additives

The glass fiber reinforced thermoplastic alloy resin composition is an antibacterial agent, heat stabilizer, antioxidant, mold release agent, light stabilizer, compatibilizer, inorganic additive, surfactant, coupling agent, plasticizer, admixture, stabilizer, lubricant, antistatic agent, flame retardant, weatherproofing agent , Additives such as colorants, sunscreens, fillers, nucleating agents, adhesion aids, and pressure-sensitive adhesives may be further included.

The release agent may be a fluorine-containing polymer, silicone oil, metal salt of stearic acid, metal salt of montanic acid, montanic acid ester wax or polyethylene wax. Dye or pigment may be used as the colorant, and titanium dioxide (TiO ₂ ) or carbon black may be used as the sunscreen. The filler may be glass fiber, carbon fiber, silica, mica, alumina, clay, calcium carbonate, calcium sulfate or glass beads, and the talc or clay may be used as the nucleating agent.

The additive may be suitably included within the range of not impairing the physical properties of the glass fiber reinforced thermoplastic alloy resin composition, specifically, a polyester resin (A), a vinyl graft copolymer (B) and a glass fiber (C). It may be included up to 40 parts by weight based on 100 parts by weight of the total amount of), more specifically 0.1 to 30 parts by weight.

The glass fiber reinforced thermoplastic alloy resin composition mentioned above can be manufactured by the well-known method of manufacturing resin composition. For example, the components and other additives according to one embodiment may be mixed simultaneously, then melt extruded in an extruder and prepared in pellet form.

The glass fiber reinforced thermoplastic alloy resin composition may not only be excellent in mechanical properties and thermal properties, but also may be improved in fluidity. Specifically, the melt index may be 25 g / 10 min or more under a measurement condition of 275 ° C. and 2.16 kg. It may be, specifically 40 g / 10min or more.

According to another embodiment, there is provided a molded article manufactured by shaping the aforementioned glass fiber reinforced thermoplastic alloy resin composition. Specifically, the molded article may include a molded article having a large size, a complicated structure, or a thin thickness, in which mechanical properties, thermal properties, and moldability are required, and more specifically, an automotive exterior material, and the like.

Hereinafter, preferred embodiments of the present invention will be described. However, the following examples are only preferred embodiments of the present invention, and the present invention is not limited by the following examples.

Each component used in the preparation of the glass fiber reinforced thermoplastic alloy resin composition according to one embodiment is as follows.

(A) polyester resin

(A-1) Polybutylene Terephthalate Resin

Shingkong Shinite K001 was used.

(A-2) Polyethylene Terephthalate Resin

SK Chemical's SKYPET 1100 was used.

(B) Vinyl Graft  Copolymer

(B-1) ASA resin

ASA resin in which 50% by weight of the polymer of styrene and acrylonitrile was grafted to 50% by weight of acrylate rubber having an average particle diameter of 1700 mm 3 was used.

(B-2) ABS resin

In 58 wt% of butadiene rubber having an average particle diameter of 2570 mm 3, an ASA resin in which 42 wt% of a polymer of styrene and acrylonitrile was grafted was used.

(C) glass fiber

Nittobo's ECS03T-187H was used.

(D) Silane  compound

Dow Corning's OFS-6020 was used.

Example  1 to 7 and Comparative example  1 to 5

Glass fiber reinforced thermoplastic alloy resin compositions according to Examples 1 to 7 and Comparative Examples 1 to 5 were prepared with the compositions shown in Table 1 using the above-mentioned components.

In the production method, each component was mixed with the composition shown in Table 1 below and extruded at 250 ° C. in a twin screw extruder having a L / D = 29 and a diameter of 45 mm, and then an extrudate was prepared in pellet form.

Test Example  1: Measurement of mechanical properties, thermal properties and fluidity

The pellets prepared according to Examples 1 to 7 and Comparative Examples 1 to 5 were dried at 110 ° C. for at least 3 hours, and then injected at 10 ° C. in a mold temperature of 200 ° to 300 ° C. and mold temperature of 60 to 100 ° C. Prepared. Physical properties of the prepared specimens were measured by the following method and the results are shown in Tables 1 and 2 below.

(1) Melt Index: Measured according to ASTM D1238 (275 ° C, 2.16 kg).

(2) Tensile strength: measured according to ASTM D638 (5mm / min).

(3) Flexural strength: measured according to ASTM 790 (2.8 mm / min).

(4) Flexural modulus: measured according to ASTM 790 (2.8 mm / min).

(5) Heat deflection temperature (HDT): measured according to ASTM D648 (18.6 kgf / cm ² load).

Example Comparative example One 2 3 4 5 6 7 One 2 3 4 5 (A) Polyester resin (weight%) (A-1) 50 50 50 50 50 40 40 50 40 40 50 50 (A-2) - - - - - 10 10 - 10 10 - - (B) vinyl graft copolymer (% by weight) (B-1) 20 20 20 20 - 20 - - 20 - 20 20 (B-2) - - - - 20 - 20 20 - 20 - - (C) glass fiber (wt%) 30 30 30 30 30 30 30 30 30 30 30 30 (D) Silane Compound (parts by weight *) 0.3 0.5 One 1.5 1.5 1.5 1.5 - - - 2 3 Melt index (g / 10min) 29 30 36 42 43 50 52 23 20 18 Not measurable Tensile strength (kgf / cm2) 1200 1230 1250 1220 1200 1210 1210 1230 1200 1190 1050 980 Flexural Strength (kgf / ㎠) 1600 1600 1650 1600 1580 1580 1570 1600 1610 1600 1220 1180 Flexural modulus (kgf / ㎠) 80100 80800 81400 82000 80000 83000 82000 81000 80000 79000 70000 60000 Heat deformation temperature (캜) 193 198 200 201 198 194 192 194 188 186 170 150

* Parts by weight: 총 The total units of (A), (B) and (C) 100 parts by weight are expressed in units of content.

Through Table 1, in the case of Examples 1 to 7, including a polyester resin, a vinyl-based graft copolymer, a glass fiber and an appropriate content of a silane compound according to one embodiment, compared with the case of Comparative Examples 1 to 5 In addition, it can be seen that the mechanical properties and thermal properties are maintained to an excellent degree, and the fluidity is improved.

Test Example  2: ^One H NMR  Data Analysis

¹ H NMR data of the glass fiber reinforced thermoplastic alloy composition according to Example 5 and Comparative Example 1 was measured by the following method, and the results are shown in FIGS. 1A and 1B.

CDCl ₃ was used as a deuterium-substituted solvent, and 10.8544 ppm of SW (sweep width), number of sacn (NS) 16, time domain size (TD) 32K, prescan delay (6 DE) and relaxation delay (1) of Ds were used. The instrument was used.

Figure 1a shows an embodiment 5 in the glass fiber-reinforced thermoplastic frozen represents a ¹ H NMR chart of the resin composition according to Roy, Figure 1b shows a ¹ H NMR chart of the glass fiber-reinforced thermoplastic alloy resin composition according to Comparative Example 1.

1A and 1B, peaks are detected at 0 to 0.1 ppm in ¹ H NMR data according to Example 5, but no peaks are detected at 0 to 0.1 ppm in ¹ H NMR data according to Comparative Example 1. can confirm. From this it can be seen that the detected peak is from the silane compound containing the amino group.

Test Example  3: spiral test spiral test )

The physical test specimen prepared in Test Example 1 was evaluated by a spiral test by injection molding at 265 ° C., and the results are shown in FIGS. 2A to 3B.

2A and 2B are photographs showing the spiral test evaluation results of the glass fiber reinforced thermoplastic alloy resin compositions according to Example 5 and Comparative Example 1, respectively, and FIGS. 3A and 3B are glass fibers according to Example 6 ′ and Comparative Example 2, respectively. It is the photograph which showed the spiral test evaluation result of a reinforced thermoplastic alloy resin composition.

Referring to Figures 2a to 3b, in the case of Examples 5 'and 6, the length difference occurs compared to the case of Comparative Examples 1 and 2, respectively, it can be seen that the flowability is improved at the same temperature and pressure.

Test Example  4: capillary test ( capillary test )

The physical property specimens prepared in Test Example 1 were measured for injection flowability in the following manner, and the results are shown in FIGS. 4 and 5.

Injection fluidity was measured by GOTTFERT's Capillary Rheometer (RHEO-TESTER 2000) at 250 ° C. to measure the resin viscosity at high shear rate, which can simulate the flow characteristics during actual injection.

Figure 4 is a graph showing the viscosity measurement results of the glass fiber reinforced thermoplastic alloy resin composition according to Example 5 'and Comparative Example 1, Figure 5 is a glass fiber reinforced thermoplastic alloy resin composition according to Example 6' and Comparative Example 2. It is a graph showing the results of viscosity measurements. 4 and 5, the X-axis of the graph means shear rate and the Y-axis means viscosity.

4 and 5, in the case of Example 5 it can be confirmed that the viscosity is low compared to Comparative Example 1, in the case of Example 6 it can also be confirmed that the viscosity is low compared to Comparative Example 2.

The present invention is not limited to the above embodiments, but may be manufactured in various forms, and a person skilled in the art to which the present invention pertains has another specific form without changing the technical spirit or essential features of the present invention. It will be appreciated that the present invention may be practiced as. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

Claims (8)

(A) polyester resin;
(B) vinyl graft copolymers;
(C) glass fibers; And
(D) comprises a silane compound represented by the following formula (1) and containing an amino group,
The silane compound (D) is a glass fiber reinforced thermoplastic alloy resin composition containing 0.1 to 1.5 parts by weight based on 100 parts by weight of the total amount of (A), (B) and (C).
[Formula 1]

(In Formula 1,
X is a C1 to C20 aminoalkyl group,
R ¹ , R ² and R ³ are each a substituted or unsubstituted C1 to C20 alkoxy group.)
The method of claim 1,
The glass fiber reinforced thermoplastic alloy resin composition
20 to 72 wt% of the polyester resin (A);
8 to 45 wt% of the vinyl graft copolymer (B);
10 to 60% by weight of the glass fiber (C); And
Glass fiber reinforced thermoplastic alloy resin composition comprising 0.1 to 1.5 parts by weight of the silane compound (D) based on 100 parts by weight of the total amount of (A), (B) and (C).
The method of claim 1,
The polyester resin (A) is polyethylene terephthalate resin, polytrimethylene terephthalate resin, polybutylene terephthalate resin, polyhexamethylene terephthalate resin, polycyclohexane dimethylene terephthalate resin, these resins are modified to amorphous A glass fiber reinforced thermoplastic alloy resin composition comprising one polyester resin, or a combination thereof.
The method of claim 1,
The vinyl graft copolymer (B) is butadiene rubber, acrylic rubber, ethylene / propylene rubber, styrene / butadiene rubber, acrylonitrile / butadiene rubber, isoprene rubber, ethylene-propylene-diene terpolymer (EPDM) rubber In the rubbery polymer containing a polyorganosiloxane / polyalkyl (meth) acrylate rubber or a combination thereof,
A glass fiber reinforced thermoplastic alloy resin composition comprising a copolymer in which a vinyl polymer comprising an aromatic vinyl compound, an acrylic compound, a vinyl cyanide compound, or a combination thereof is grafted.
The method of claim 1,
The glass fiber-reinforced thermoplastic Earl during ¹ H NMR analysis of the glass fiber reinforced resin composition Roy will, from 0 to 0.1 ppm are peaks are detected in the thermoplastic alloy resin composition.
The method of claim 1,
The glass fiber reinforced thermoplastic alloy resin composition is an antibacterial agent, heat stabilizer, antioxidant, mold release agent, light stabilizer, compatibilizer, inorganic additive, surfactant, coupling agent, plasticizer, admixture, stabilizer, lubricant, antistatic agent, flame retardant, weatherproofing agent A glass fiber reinforced thermoplastic alloy resin composition further comprising an additive comprising a colorant, a sunscreen, a filler, a nucleating agent, an adhesion aid, an adhesive, or a combination thereof.
The method of claim 1,
Melt Index of the glass fiber reinforced thermoplastic alloy resin composition (Melt Index) is 25 g / 10min or more glass fiber reinforced thermoplastic alloy resin composition.
The molded article manufactured using the glass fiber reinforced thermoplastic alloy resin composition in any one of Claims 1-7.

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