KR101617542B1 - Thermoplastic resin, method for preparing the same and polycarbonate resin containing the same - Google Patents

Abstract

The present invention relates to a thermoplastic resin, a process for producing the same, and a polycarbonate resin composition containing the same, and more particularly, to a rubber core comprising a conjugated diene monomer; And a graft shell surrounding the rubber core and containing a (meth) acrylate monomer, a vinyl aromatic monomer, a vinyl cyan monomer, and a polyalkylene glycol monomer, wherein the conjugated diene monomer, the (meth) acrylate based Wherein the conjugated diene monomer is used in an amount of 55 to 75 parts by weight, the (meth) acrylate monomer is used in an amount of 15 to 40 parts by weight, and the vinyl aromatic monomer is used in an amount of 1 to 100 parts by weight based on 100 parts by weight of the total of monomers, vinyl aromatic monomers and vinyl cyan monomers. 0 to 5 parts by weight of the vinyl cyan monomer, and 0.1 to 5 parts by weight of the polyalkylene glycol monomer, a process for producing the same, a polycarbonate resin composition containing the same, and the like.
According to the present invention, it is possible to provide a thermoplastic resin capable of simultaneously improving impact strength and coloring property of other resins, a process for producing the same, and a polycarbonate resin composition containing the same.

Description

TECHNICAL FIELD The present invention relates to a thermoplastic resin, a process for producing the same, and a polycarbonate resin composition containing the same. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermoplastic resin,

The present invention relates to a thermoplastic resin, a method for producing the same, and a polycarbonate resin composition containing the thermoplastic resin, and more particularly, to a thermoplastic resin capable of simultaneously improving the impact strength and coloring property of other resins, a process for producing the same and a polycarbonate To a resin composition.

The polycarbonate resin is excellent in heat resistance, impact resistance and electrical characteristics, and is applied to various fields such as automobile parts and housings for electric / electronic products. However, the polycarbonate resin has a disadvantage in that it has poor moldability and poor weather resistance due to its high melt viscosity.

Styrene resins such as ABS resins have excellent impact resistance, tensile strength, surface characteristics and processability, and are used in a wide range of automotive interior and exterior materials, electrical and electronic products, and general merchandise. However, they are easily deformed by heat and require heat resistance It is difficult to apply it.

Accordingly, attempts have been made to blend a polycarbonate resin and a styrenic resin to form a thermoplastic resin composition having excellent moldability, weather resistance, heat resistance, etc. However, since compatibility between these resins is not sufficient, Particularly, there is a problem that the impact strength and the coloring property are poor.

In order to solve the problems of the prior art as described above, it is an object of the present invention to provide a thermoplastic resin capable of simultaneously improving impact strength and coloring property of other resins, a process for producing the same, and a polycarbonate resin composition containing the same.

It is another object of the present invention to provide a molded article produced from the polycarbonate resin composition.

These and other objects of the present disclosure can be achieved by all of the present invention described below.

In order to achieve the above object, the present invention provides a rubber core comprising a conjugated diene monomer; And a graft shell surrounding the rubber core and containing a (meth) acrylate monomer, a vinyl aromatic monomer, a vinyl cyan monomer, and a polyalkylene glycol monomer, wherein the conjugated diene monomer, the (meth) acrylate based Wherein the conjugated diene monomer is used in an amount of 55 to 75 parts by weight, the (meth) acrylate monomer is used in an amount of 15 to 40 parts by weight, and the vinyl aromatic monomer is used in an amount of 1 to 100 parts by weight based on 100 parts by weight of the total of monomers, vinyl aromatic monomers and vinyl cyan monomers. 0 to 5 parts by weight of the vinyl cyan monomer, and 0.1 to 5 parts by weight of the polyalkylene glycol monomer.

The rubber core has, for example, an average particle diameter of 280 to 330 nm in the latex state, and has an excellent impact strength, fluidity and colorability within this range.

The rubber core may be, for example, 60 to 75 parts by weight or 65 to 75 parts by weight, and within this range, impact strength, coloring property and grafting ratio are excellent.

The vinyl cyan monomer may be, for example, 0.1 to 5 parts by weight, or 0.1 to 3 parts by weight.

The thermoplastic resin has an effect of improving the coloring property by increasing the surface adhesive force by forming an entanglement within the range, for example, polyoxyethylene alkyl ether sulfite.

The polyoxyethylene alkyl dihydrophosphate includes, for example,

[Chemical Formula 1]

(R is an alkyl group having 12 to 14 carbon atoms, n is 4 to 8, and m is 1 or 2).

The polyoxyethylene alkyl dihydrophosphate is contained in an amount of 1 to 3 parts by weight, for example, and has an effect of enhancing the coloring property by increasing the surface adhesive force by forming an entanglement in this range.

The conjugated diene monomer is at least one selected from the group consisting of 1,3-butadiene, isoprene, chloroprene, and piperylene. In this case, the conjugated diene monomer has an excellent impact strength.

The (meth) acrylate-based monomer is, for example, alkyl methacrylate or alkyl acrylate having 1 to 10 carbon atoms in the alkyl group.

The alkyl methacrylate may be at least one selected from the group consisting of methyl methacrylate, butyl methacrylate and benzyl methacrylate. In this case, the alkyl methacrylate has good compatibility with the matrix resin and has excellent impact strength and coloring property have.

The (meth) acrylate-based monomer may be, for example, 15 to 35 parts by weight, or 15 to 30 parts by weight.

The vinyl aromatic monomer is, for example, styrene,? -Methylstyrene, or a mixture thereof. In this case, the vinyl aromatic monomer has good compatibility with the matrix resin and has excellent impact strength and coloring property.

The vinyl cyan monomer is at least one selected from the group consisting of acrylonitrile, methacrylonitrile, and ethacrylonitrile.

The polyalkylene glycol-based monomer includes, for example,

_{A- (CH 2 -CH 2 -O)} n -B

(Wherein A- is CH ₂ CHC (O) O- or CH ₂ C (CH ₃ ) C (O) O- and -B is -H, -CH ₃ , -C (O) CHCH ₂ or -C (O) C (CH ₃ ) CH ₂ , and n is an integer of from 3 to 14, and the viscosity and the elasticity are greatly increased within this range, There is an effect that the impact strength of the polycarbonate resin is greatly improved by absorbing strong energy generated from outside when blending with a carbonate resin.

The number average molecular weight of the polyalkylene glycol-based monomer is 300 to 10,000 g / mol or 500 to 5,000 g / mol, for example. Within this range, the polyalkylene glycol-based monomer has an excellent impact strength and coloring property.

The thermoplastic resin can be used, for example, as an impact modifier.

The polyalkylene glycol monomer preferably has an effect of 0.1 to 4 parts by weight, 0.3 to 3.0 parts, or 0.5 to 2.5 parts by weight, and excellent impact strength and coloring property within this range.

The present invention also relates to a process for producing a rubber core by polymerizing 55 to 75 parts by weight of a conjugated diene monomer based on 100 parts by weight of the total of the following conjugated diene monomers, (meth) acrylate monomers, vinyl aromatic monomers and vinyl cyan monomers step; And b) 15 to 40 parts by weight of a (meth) acrylate monomer, 1 to 10 parts by weight of a vinyl aromatic monomer, 0 to 5 parts by weight of a vinyl cyan monomer and 0.1 to 5 parts by weight of a polyalkylene glycol monomer in the presence of the rubber core Wherein the graft polymerization is carried out in the presence of a polymerization initiator, and the graft polymerization is carried out using a graft polymerization initiator.

The vinyl cyan monomer may be, for example, 0.1 to 5 parts by weight.

The core content of the core is, for example, 65 to 95% by weight, and the impact strength and coloring property are excellent within this range.

The phosphorus emulsifier may be used in an amount of 0.5 to 3 parts by weight, or 1 to 2 parts by weight, for example. Within this range, impact strength and colorability are excellent.

In addition, the present invention provides a polycarbonate resin composition comprising 90 to 99% by weight of a polycarbonate resin and 1 to 10% by weight of the thermoplastic resin, and a molded article produced from the polycarbonate resin composition.

As described above, according to the present invention, it is possible to provide a thermoplastic resin capable of simultaneously improving impact strength and coloring property of other resins, a method for producing the same, and a polycarbonate resin composition containing the same.

Hereinafter, the present invention will be described in detail.

The thermoplastic resin of the present invention comprises a rubber core comprising a conjugated diene monomer; And a graft shell surrounding the rubber core and containing a (meth) acrylate monomer, a vinyl aromatic monomer, a vinyl cyan monomer, and a polyalkylene glycol monomer, wherein the conjugated diene monomer, the (meth) acrylate based Wherein the conjugated diene monomer is used in an amount of 55 to 75 parts by weight, the (meth) acrylate monomer is used in an amount of 15 to 40 parts by weight, and the vinyl aromatic monomer is used in an amount of 1 to 100 parts by weight based on 100 parts by weight of the total of monomers, vinyl aromatic monomers and vinyl cyan monomers. 0 to 5 parts by weight of the vinyl cyan monomer, and 0.1 to 5 parts by weight of the polyalkylene glycol monomer.

The method for producing a thermoplastic resin according to the present invention is a method for producing a thermoplastic resin which comprises, based on 100 parts by weight of the total of the following conjugated diene monomer, (meth) acrylate monomer, vinyl aromatic monomer and vinyl cyan monomer: a) 55 to 75 parts by weight of a conjugated diene monomer To produce a rubber core; And b) 15 to 40 parts by weight of a (meth) acrylate monomer, 1 to 10 parts by weight of a vinyl aromatic monomer, 0 to 5 parts by weight of a vinyl cyan monomer and 0.1 to 5 parts by weight of a polyalkylene glycol monomer in the presence of the rubber core Graft polymerization to form a graft shell, wherein 0.1 to 5 parts by weight of a phosphorus-based emulsifier is used in the graft polymerization.

The step of a) preparing the rubber core is an example,

(I) 60 to 70 parts by weight of a total of 100 parts by weight of the conjugated diene monomer, 1 to 4 parts by weight of an emulsifier, 0.2 to 0.4 parts by weight of a polymerization initiator, 0.2 to 2.0 parts by weight of an electrolyte, 0.1 to 0.5 parts by weight of a molecular weight adjuster, 75 to 100 parts by weight of the compound is administered at a temperature of 55 to 75 占 폚;

(Ii) 15 to 25 parts by weight of a conjugated diene monomer and 0.5 to 1.5 parts by weight of an emulsifier at a polymerization conversion rate of 30 to 40% in the step (i); And

(Iii) a step of reacting the remaining conjugated diene monomers in a batch or continuous manner after the point of time when the polymerization conversion rate in the step (ii) is 50 to 60%, and the effect of excellent stability of the rubber latex within this range have.

The step (a) of producing the rubber core may include, for example, stopping the polymerization by introducing the polymerization inhibitor at a time when the polymerization conversion rate of the step (iii) is 80 to 95%.

The conjugated diene monomer may be used alone or in combination with a comonomer.

The comonomer may be, for example, an aromatic vinyl monomer, a vinyl cyan monomer, or a mixture thereof.

The comonomer may be used in an amount of 0 to 20% by weight, or 0.1 to 20% by weight based on 100% by weight of the total amount of the conjugated diene monomer and the comonomer.

The emulsifier may be at least one selected from the group consisting of alkyl aryl sulfonates, alkali metal alkyl sulfates, sulfonated alkyl esters, fatty acid soaps, and salts of rosin acid,

The polymerization initiator may be, for example, a water-soluble peracid initiator such as potassium persulfate, sodium persulfate or ammonium persulfate.

The electrolyte may be, for example, KCl, NaCl, KHCO ₃ , NaHCO ₃ , K ₂ CO ₃ , Na ₂ CO ₃ , KHSO ₃ , NaHSO ₃ , K ₄ P ₂ O ₇ , Na ₄ P ₂ O ₇ , K ₃ PO ₄ , Na ₃ PO ₄ , K ₂ HPO ₄ , Na ₂ HPO ₄ , and the like.

The molecular weight regulator may be, for example, mercaptans.

The emulsifier may be, for example, a rosin acid emulsifier or a disproportionated rosin acid emulsifier. The emulsifier may be a linear chain such as oleic acid or stearic acid. In this case, And the reaction rate increases with the growth of new particles. The latex viscosity is decreased by the coexistence of particles having a large particle size and particles having a small particle size, and the latex stability is excellent

The polymerization temperature in the step (a) of preparing the rubber core may be appropriately selected in consideration of the gel content and swelling degree of the rubber latex, the kind of the polymerization initiator, and the time of injection.

Examples of the polymerization initiator used in the step b) for producing the graft shell include peroxide catalysts such as t-butyl hydroperoxide, cumene hydroperoxide, diisopropylbenzene hydroperoxide, and sodium formaldehyde sulfoxylate, ethylene Redox-based catalysts such as diamine tetra sodium acetate, ferrous sulfate, sodium pyrophosphate, dextrose, and the like.

In the step b), the monomer may be introduced in a batch, multi-stage, or continuous manner. However, the continuous introduction of the monomer for 2 to 5 hours is preferable. In this case, the generation of the solidification product is minimized And has an advantageous effect on graft reaction such as control of reaction heat and improvement of reproducibility.

The graft polymerization in the step b) may be carried out at a temperature of 40 to 80 ° C, depending on the kind of the initiator.

The phosphorus emulsifying agent is, for example, polyoxyethylene alkyl dihydrophosphate, and in this case, there is an effect that the surface adhesion by the formation of the entanglement of the produced thermoplastic resin is increased and the coloring property is improved.

The polyoxyethylene alkyl dihydrophosphate includes, for example,

[Chemical Formula 1]

(R is an alkyl group having 12 to 14 carbon atoms, n is 4 to 8, and m is 1 or 2).

The polyoxyethylene alkyl dihydrophosphate is included in an amount of 1 to 3 parts by weight, for example, and the effect of improving the coloring property is enhanced by increasing the surface adhesion force due to formation of entanglement within this range.

The polycarbonate resin composition of the present invention is characterized by containing 90 to 99% by weight of a polycarbonate resin and 1 to 10% by weight of the thermoplastic resin of the first aspect.

The molded article of the present invention is characterized by including the above polycarbonate resin composition.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention within the scope and spirit of the following claims, Such variations and modifications are intended to be within the scope of the appended claims.

[Example]

Example 1

≪ Preparation of rubber polymer &

Nitrogen-substituted polymerization reactor, ion-exchanged water to (autoclave), 75 parts by weight of 1,3-butadiene 60 parts by weight of rosin acid potassium salt 1.4 parts by weight of oleic acid potassium salt 0.6 parts by weight of potassium carbonate (K ₂ CO ₃₎ 0.9 , 0.3 parts by weight of tertiary dodecyl mercaptan (TDDM) and 0.3 parts by weight of potassium persulfate (K ₂ S ₂ O ₈ ) were charged at a reaction temperature of 70 ° C. until a polymerization conversion rate of 30 to 40% First, 0.7 parts by weight of potassium oleate was added, and then 20 parts by weight of 1,3-butadiene was added thereto. The mixture was reacted at 70 ° C until the polymerization conversion rate reached 60%. Then, 20 parts by weight of the remaining 1,3- After the temperature was elevated, the reaction was terminated at a polymerization conversion of 95%. The time required for the polymerization was 23 hours. The gel content of the obtained rubber latex was 76% and the average particle size was 300 nm.

In the above, the gel content was determined by solidifying the rubber latex with a dilute acid or a metal salt, washing and drying in a vacuum oven at 60 DEG C for 24 hours. Then, the obtained rubber mass was finely cut with scissors and then 1 g of the rubber slice was dissolved in toluene 100 g, stored in a dark room at room temperature for 48 hours, and separated into sol and gel.

≪ Production of thermoplastic resin &

70 parts by weight (based on solid content) of the prepared rubber latex was put into a closed reactor, and then the temperature was increased to 70 DEG C with nitrogen filling and maintained. 0.1 part by weight of sodium pyrophosphate, 0.2 part by weight of dextrose and 0.002 part by weight of ferrous sulfide were fed into the reactor in a batch. In a separate mixing apparatus, 25.5 parts by weight of methyl methacrylate, 4.5 parts by weight of styrene, 2.0 parts by weight of polyethylene glycol methacrylate (Mn = 500 to 5000 g / mol), 20 parts by weight of polyoxyethylene alkyl dihydrophosphate (manufactured by LG Household & , 0.1 part by weight of cumene hydroperoxide, and 20 parts by weight of ion-exchanged water were mixed to prepare a monomer emulsion. The monomer emulsion was continuously fed into the reactor over 2.5 hours, and then, after 30 minutes, 0.03 part by weight of cumene hydroperoxide was added, aged at the same temperature for 1 hour, and the reaction was terminated. The thermoplastic resin latex thus prepared had a particle diameter of 3200 Å, a polymerization conversion of 98%, and a solid content of 42% by weight. An antioxidant was added to the latex, followed by agglomeration with an aqueous sulfuric acid solution, followed by dehydration and drying to obtain a thermoplastic resin powder.

≪ Preparation of polycarbonate resin composition >

3 parts by weight of the thermoplastic resin prepared above, 97 parts by weight of a polycarbonate resin (PC 200-1 of LG-Dow Co., Ltd.), 0.5 part by weight of a processing additive and 0.02 part by weight of a pigment were mixed and dispersed in a twin screw extruder of Leistritz At a rate of 60 kg / hr and a temperature of 250 to 320 DEG C at 200 rpm to obtain a pellet. The pellets were injection molded at a temperature of 250 to 320 DEG C using an EC100? 30 extruder manufactured by ENGEL to prepare specimens for evaluating impact strength and coloring property.

Example 2

The procedure of Example 1 was repeated except that 26.5 parts by weight of methyl methacrylate, 2.5 parts by weight of styrene and 1.0 part by weight of acrylonitrile were used in the preparation of the thermoplastic resin in Example 1 to prepare a polycarbonate resin composition specimen .

Example 3

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that 2.0 parts by weight of polyoxyethylene alkyl dihydrophosphate (manufactured by LG Hoso Healthcare) was used in Example 1.

Example 4

A polycarbonate resin composition specimen was prepared in the same manner as in Example 2 except that 1.0 part by weight of polyoxyethylene alkyl dihydrophosphate (manufactured by LG Hoso Healthcare) was used in Example 2.

Example 5

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that 2.5 parts by weight of polyethylene glycol methacrylate was used in Example 1.

Example 6

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that 1.5 parts by weight of polyethylene glycol methacrylate was used in Example 1.

Example 7

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that 1.0 part by weight of potassium oleate and 0.5 part by weight of polyethylene glycol methacrylate were used in Example 1.

Example 8

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that 5.0 parts by weight of polyethylene glycol methacrylate was used in Example 1

Comparative Examples 1 to 5

A polycarbonate resin composition specimen was prepared in the same manner as in Example 1 except that the components and the contents shown in Table 1 were used.

[Test Example]

The properties of the polycarbonate resin compositions prepared in Examples 1 to 8 and Comparative Examples 1 to 5 were measured by the following methods, and the results are shown in Tables 1 and 2 below.

Measurement of polymerization conversion

The latex was sampled and dried (150 degrees, 15 minutes) to measure total solid content.

Average particle size measurement

The latex was sampled, diluted 10-fold and measured with a Nicomp (submicron particle sizer) machine.

Evaluation of Impact Strength

Impact strength was measured by Izod impact strength at room temperature and -30 ° C for 1/8-inch specimens by making impact specimens according to ASTM D-256.

Evaluation of coloring property

CIE-Lab color values were measured by a color tester on specimens prepared by impregnating a coloring agent. The color values were measured based on the best-colored specimen (the most similar to the color of the colorant). ? E = (? L ² +? A ² +? B ² ) ^1/2 . 4 points for ΔE values of 2 to 4, 3 points for ΔE values of 4 to 6, 2 points for ΔE values of 6 to 8, When E value exceeds 8, 1 point is given.

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 MBS content (wt%) 3 3 3 3 3 3 3 Rubber core Particle diameter (nm) 300 300 300 300 300 300 300 Content (weight) 70 70 70 70 70 70 70 Graft shell MMA content 25.5 26.5 25.5 28.5 25.5 25.5 25.5 Comonomer type
And content SM 4.5 SM 2.5
AN 1.0 SM 4.5 SM 1.5 AN 4.5 SM 4.5 SM 4.5 OLK
(Parts by weight) - - 1.5 1.5 1.5 - 1.5 PAP
(Parts by weight) 1.5 1.5 - - - 1.5 - PEGMA
(Parts by weight) 2.0 2.0 - - - - 2.0 Izod impact strength
(Kgf-cm / cm) 25 ℃ 81.4 81.2 77.0 78.1 73.0 76.8 79.1 -30 ° C 67.4 67.5 64.0 65.0 50.2 64.2 66.4 Colorability 5 point method 5.0 5.0 4.0 3.0 5.0 4.0 4.0

MMA: methyl methacrylate, SM: styrene, AN: acrylonitrile, PAP: Polyoxyethylene Alkylether Phosphate, PEGMA: Polyethylene glycol methacrylate, OLK: potassium oleate

division Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 MBS content (wt%) 3 3 3 3 3 3 Rubber core Particle diameter (nm) 300 300 300 300 300 300 Content (weight) 70 70 70 70 70 70 Graft shell MMA content 25.5 26.5 25.5 25.5 25.5 25.5 Comonomer type
And content SM 4.5 SM 2.5
AN 1.0 SM 4.5 SM 4.5 SM 4.5 SM 4.5 OLK
(Parts by weight) - - - - 1.0 - PAP
(Parts by weight) 2.0 1.0 1.5 1.5 1.5 1.5 PEGMA
(Parts by weight) 2.0 2.0 2.5 1.5 0.5 5.0 Izod impact strength
(Kgf-cm / cm) 25 ℃ 81.5 81.3 81.8 81.0 78.5 - -30 ° C 67.6 67.3 67.9 67.0 64.1 - Colorability 5 point method 5.0 5.0 5.0 5.0 5.0 -

As shown in Tables 1 and 2, when the PAP and PEGMA were applied to the graft shells (Examples 1 to 8), the impact strength and the coloring property of the polycarbonate resin composition (Comparative Examples 1 to 5) And that the improvement in the quality of life was improved.

More specifically, the polycarbonate resin composition comprising a butadiene-based impact modifier having a core-shell structure having PAP and PEGMA introduced therein, as in Examples 1 and 2, is excellent in impact strength and coloring property, It was confirmed that the coloring property was maintained.

However, when Comparative Examples 1 and 2 in which PAP and PEGMA were not used were observed, the impact strength was good but the coloring property was deteriorated.

In Comparative Example 3 using an AN having good colorability, impact strength was lower. In Comparative Example 4 using only PAP, there was no difference in impact strength and coloring property was improved. In Comparative Example 5 in which only PEGMA was incorporated There was no color change and only the impact strength was improved.

Finally, in the case of Example 8, when 5.0 parts by weight of PEGMA was polymerized in the graft shell, the size of the latex became larger by 4000 ANGSTROM or more, resulting in gelation and hardening of the latex.

Claims (17)

A rubber core comprising a conjugated diene monomer; And
A graft shell surrounding the rubber core and comprising a (meth) acrylate-based monomer, a vinyl aromatic monomer, a vinyl cyan monomer, a polyalkylene glycol-based monomer, and a polyoxyethylene alkyl ether sulfate;
Based on 100 parts by weight of the total of the conjugated diene monomer, (meth) acrylate monomer, vinyl aromatic monomer and vinyl cyan monomer, the conjugated diene monomer is 55 to 75 parts by weight, the (meth) 40 to 40 parts by weight of the vinyl aromatic monomer, 1 to 10 parts by weight of the vinyl aromatic monomer, 0 to 5 parts by weight of the vinyl cyan monomer, and 0.1 to 5 parts by weight of the polyalkylene glycol-
Thermoplastic resin. The method according to claim 1,
Characterized in that the rubber core has an average particle size of 280 to 330 nm in the latex state
Thermoplastic resin. delete The method according to claim 1,
The polyoxyethylene alkyl dihydrophosphate may be represented by the following general formula
[Chemical Formula 1]

(R is an alkyl group having from 12 to 14 carbon atoms, n is from 4 to 8, and m is 1 or 2).
Thermoplastic resin. The method according to claim 1,
The polyoxyethylene alkyl ether sulfates are contained in an amount of 1.0 to 3.0 parts by weight
Thermoplastic resin. The method according to claim 1,
Wherein the conjugated diene monomer is at least one selected from the group consisting of 1,3-butadiene, isoprene, chloroprene, and piperylene.
Thermoplastic resin. The method according to claim 1,
The (meth) acrylate-based monomer is an alkyl methacrylate or alkyl acrylate having 1 to 10 carbon atoms in the alkyl group
Thermoplastic resin. 8. The method of claim 7,
Wherein the alkyl methacrylate is at least one selected from the group consisting of methyl methacrylate, butyl methacrylate and benzyl methacrylate
Thermoplastic resin. The method according to claim 1,
Wherein the vinyl aromatic monomer is styrene,? -Methylstyrene or a mixture thereof
Thermoplastic resin. The method according to claim 1,
Wherein the vinyl cyan monomer is at least one selected from the group consisting of acrylonitrile, methacrylonitrile, and ethacrylonitrile.
Thermoplastic resin. The method according to claim 1,
The polyalkylene glycol-based monomer is represented by the following general formula
_{A- (CH 2 -CH 2 -O)} n -B
(Wherein A- is CH ₂ CHC (O) O- or CH ₂ C (CH ₃ ) C (O) O- and -B is -H, -CH ₃ , -C (O) CHCH ₂ or -C (O) C (CH ₃ ) CH ₂ , and n is an integer of from 3 to 14.
Thermoplastic resin. 12. The method of claim 11,
Wherein the polyalkylene glycol-based monomer has a number average molecular weight of 300 to 10,000 g / mol
Thermoplastic resin. The method according to claim 1,
Characterized in that the thermoplastic resin is used as an impact modifier
Thermoplastic resin. Based on 100 parts by weight of the total of the following conjugated diene monomers, (meth) acrylate-based monomers, vinyl aromatic monomers and vinyl cyan monomers,
a) polymerizing 55 to 75 parts by weight of a conjugated diene monomer to produce a rubber core; And
b) 15 to 40 parts by weight of a (meth) acrylate monomer, 1 to 10 parts by weight of a vinyl aromatic monomer, 0 to 5 parts by weight of a vinyl cyan monomer, and 0.1 to 5 parts by weight of a polyalkylene glycol monomer, To form a grafted shell,
0.1 to 5 parts by weight of a phosphorus-based emulsifier is used in the graft polymerization.
A method for producing a thermoplastic resin. 15. The method of claim 14,
Characterized in that the rubber core has a gel content of 65 to 95% by weight
A method for producing a thermoplastic resin. From 90 to 99% by weight of a polycarbonate resin, and from 1 to 10% by weight of the thermoplastic resin of claim 1
Polycarbonate resin composition. A molded article produced from the polycarbonate resin composition of claim 16.