KR100555423B1 - Crashing Reinforcing Agent and the Resin Composition Containing the Same - Google Patents

Abstract

The present invention relates to an impact modifier having a bimodal distribution and having a multi-layered impact modifier and an industrial resin composition comprising the same. The impact modifier of the present invention comprises (1) an aromatic vinyl monomer and a non-aromatic monomer. Copolymer seed of; (2) a rubber core containing an acrylate type and silicone; And (3) a shell containing an alkyl methacrylate-based polymer. The industrial resin composition according to the present invention has excellent low-temperature impact strength and colorability.

Acrylic impact modifier, impact resistance, multistage polymerization, degree of crosslinking

Description

Impact reinforcing agent and industrial resin composition comprising the same {Crashing Reinforcing Agent and the Resin Composition Containing the Same}

The present invention relates to an impact modifier having a bimodal distribution having a particle size and having a multilayer structure manufactured by multistage polymerization, and an industrial resin composition comprising the same.

Polycarbonate (PC) is known as a resin having excellent impact resistance, electrical properties, and heat resistance, and is widely used in the manufacture of molded articles for electric and electronic products including automobiles, and the demand thereof is increasing day by day. However, polycarbonate has a high melt viscosity and poor moldability, has a very large thickness dependency of impact resistance, and poor chemical resistance. Therefore, PC / ABS, which is an alloy product with ABS, may be used to compensate for high melt viscosity of polycarbonate, and a resin such as polyethylene terephthalate may be mixed to compensate for chemical resistance of polycarbonate.

European Patent Registration No. EP465,792 relates to the preparation of polymers containing a rubbery acrylic monomer as a main component for the purpose of improving the colorability together with the impact resistance of polycarbonate. Doing. However, the impact improvement effect is still insufficient.

An object of the present invention is to provide an impact modifier having a bimodal distribution and having a multi-layered polymer produced by multi-stage polymerization, wherein an acrylic and a silicone monomer are used as rubber main components.

Still another object of the present invention is to provide an industrial resin composition comprising the impact modifier, having excellent low temperature impact strength and colorability.

The objects and other objects of the present invention can be achieved by the present invention described below.

The present invention to achieve the above object,

An impact modifier composition added to an industrial resin, comprising: (1) a seed polymer in which an aromatic vinyl monomer and a non-aromatic monomer are copolymerized; (2) a rubbery core polymer containing an acrylate type and silicone; And (3) a shell containing an alkyl methacrylate-based polymer; provides an impact modifier composition comprising a latex prepared by polymerizing sequentially.

The seed polymer comprises (1) 2 to 20% by weight of the total latex; (2) Styrene is used as the aromatic vinyl monomer, acrylonitrile is used as the non-aromatic monomer, and the amount of the non-aromatic monomer is 1 to 30% by weight based on the total monomers required for the seed polymerization. Has a quantity; And, (3) can be crosslinked using a crosslinkable monomer such as allyl methacrylate or divinylbenzene.

The monomer constituting the seed polymer is at least one selected from the group consisting of styrene, alphamethylstyrene, vinyltoluene and 3-4-dichlorostyrene as aromatics; Non-aromatics include alkyl acrylates such as ethyl acrylate, butyl acrylate and 2-ethylhexyl acrylate, alkyl methacrylates such as methyl methacrylate, butyl methacrylate and benzyl methacrylate, acrylonitrile or meta It may be at least one selected from the group consisting of vinyl cyanide or vinylidene cyanide such as chloronitrile.

The seed polymer may include a seed having a particle size of 40 to 170 nm, and the seed polymer may include two different kinds of seeds having a particle size of 40 to 50 nm and a size of 100 to 170 nm. It may include.

The rubbery core polymer comprises (1) 10 to 90% by weight of the total of the latex; (2) a first core for polymerizing silicone rubber and a second core for polymerizing mixed monomers of butyl acrylate and methyl methacrylate; And, (3) the second core may be a core manufactured using a power-feeding input method so that the monomer distribution has a gradual morphology.

The rubbery core polymer is composed solely of silicone monomers such as octamethylcyclotetrasiloxane; Alkyl acrylates having 2 to 8 carbon atoms, methyl methacrylate, butyl meth, such as ethyl acrylate, propyl acrylate, isopropyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, octyl atrylate, etc. At least one acrylic rubber selected from the group consisting of alkyl methacrylates such as acrylate and benzyl methacrylate may be composed of a single layer or a multilayer.

The method of adding the rubbery core polymer is slowly added to the seed reactant together with the emulsifier and the initiator to prepare an emulsion 1 and an emulsion 2 mainly composed of two different monomers, and slowly add dropwise addition of the emulsion 2 to the emulsion 1. Emulsion 2 can be prepared by a power-feeding method such that emulsion 1 is added into the reactor at the same rate as the dropwise addition to emulsion 1.

The shell comprises (1) 10 to 50% by weight of the total latex; (2) methyl methacrylate and copolymers of aromatic vinyl monomers and non-aromatic monomers; And, (3) may be a shell manufactured by using a power-feeding input method so that the monomer distribution has a gradual morphology.

The shell may be prepared by mixing at least two monomers selected from the group consisting of aromatic vinyl monomers, copolymers of aromatic vinyl monomers and non-aromatic monomers, and monomers containing units derived from methyl methacrylate.

The impact modifier composition may be prepared by mixing the particle diameters of 100 nm or more from each other, and mixing latex to have a bimodal particle size distribution.

The final latex particle size of the impact modifier composition may be 80 to 500nm.

The amount of the emulsifier used in each step in preparing the impact modifier composition may be used in an amount of 0.1 to 10% by weight based on the total monomers.

In another aspect, the present invention provides an industrial resin composition comprising an industrial impact composition comprising 0.5 to 20 parts by weight and 40 to 99.9 parts by weight of industrial plastics.

Hereinafter, the present invention will be described in detail.

In the present invention, the impact modifier composition comprises a seed polymer in which an aromatic vinyl monomer and a non-aromatic monomer are copolymerized, and a shell containing a rubbery core polymer including an acrylate-based silicone and an alkyl methacrylate-based polymer. After preparing the latex using a multi-step seed emulsion polymerization method in which the core and the shell are continuously polymerized so as to polymerize the polymer, the solid content of the final latex is lowered to 15% or less, followed by hydrochloric acid or sulfuric acid. Aggregated using a mixture, the aggregated mixture is heated to 90 ° C or more, aged, cooled, and then washed with ion-exchanged water, filtered and then dried.

The seed polymer is for providing the core layer and comprises 2 to 20% by weight based on the total weight of the latex. In the present invention, a copolymer of an aromatic vinyl monomer and a non-aromatic monomer is used to prepare the seed polymer. At this time, the aromatic vinyl monomer may include styrene, alphamethylstyrene, vinyltoluene, 3-4-dichlorostyrene or mixtures thereof, and in the non-aromatic vinyl monomer, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate. Alkyl acrylates such as methyl methacrylate, butyl methacrylate, benzyl methacrylate, or vinyl cyanide or vinylidene cyanide such as acrylonitrile or methacrylonitrile It is more preferable that styrene is used as the aromatic vinyl monomer and acrylonitrile is used as the non-aromatic monomer to be copolymerized therewith.

The amount of the non-aromatic monomer can be used in the range not exceeding 50% by weight based on the total monomers required for the seed polymerization, preferably less than 30% by weight, more preferably 1 to 10% by weight. It is advisable to use the amount of. It is also preferable to crosslink using a crosslinkable monomer such as allyl methacrylate or divinylbenzene.

The particle size of the seed used to prepare the latex having a bimodal distribution having a particle size is preferably 40 to 170 nm, and more preferably two different types of 50 nm or less and 100 nm or more.

The rubbery core polymer comprises 10 to 90% by weight of the total latex weight. More preferably it is suitable to use 40 to 88% by weight. The rubber forming monomers of the core are alkyl acrylates and methyl having 2 to 8 carbon atoms of alkyl groups such as ethyl acrylate, propyl acrylate, isopropyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, octyl atrylate and the like. At least one selected from alkyl methacrylates such as methacrylate, butyl methacrylate and benzyl methacrylate and silicone monomers such as octamethylcyclotetrasiloxane can be used.

In addition, the crosslinkable monomers mentioned above in the seed polymerization can be used in combination in the core rubber polymerization reaction, and it is preferable to use a double allyl methacrylate. In addition, a crosslinking agent such as trimethoxysilane and 3-methacryloxypropyltrimethoxysilane may be used for crosslinking and grafting the silicone monomer. Such crosslinking monomers can be used within the range of 0.05 to 3% by weight based on the total monomers required for the rubbery core polymerization, more preferably 0.08 to 1.5% by weight. When the amount of the crosslinking agent is used in excess of the use range, the glass transition temperature of the rubber may be increased to cause the impact strength to be lowered. On the contrary, when the amount of the crosslinking agent is used, the compatibility with the matrix may be lowered.

The monomers mentioned above are slowly added to the seed reactant together with the emulsifier and initiator to proceed the core polymerization. In the core monomer, the emulsion 1 and the emulsion 2 are prepared so that two different monomers are mainly used, and the emulsion 1 is slowly added dropwise to the emulsion 1, and at the same time, the emulsion 1 is added dropwise to the emulsion 1. It is prepared by a power-feeding method which allows for addition into the reactor. In addition, the initiator is continuously added into the reactor throughout the emulsion so that the polymerization can be continued.

The shell consists of hard polymer forming monomers having a glass transition temperature of at least 60 ° C. or higher and accounts for 10 to 70% by weight of the total latex weight. More preferably 10 to 50% by weight is used. The shell reaction may use an aromatic vinyl monomer, copolymerize an aromatic vinyl monomer with a non-aromatic monomer, or use a monomer containing a unit derived from methyl methacrylate, and mix at least two monomers selected from these. Use it.

In the shell polymerization, crosslinkable monomers can be used within the range of 3% by weight based on the total monomers.

Emulsifiers used in the present invention may be used alone or mixed with a variety of well-known emulsifiers, it is preferable to use alkali metal salts of weak acids, such as fatty acid salts in consideration of the characteristics of the matrix polymer. It is preferable to use a sufficient amount to give stability in the seed, core, shell polymerization step.

As the polymerization initiator used in the present invention, the use of any compound capable of causing a crosslinking reaction is possible. For example, ammonium persulfate, potassium persulfate, benzoyl peroxide, azobis butyronitrile, butyl hydroperoxide, cumin hydroperoxide, dodecyl benzenesulphonic acid and the like can be used. Depending on the characteristics or stability of the system, it is preferable to use an initiator such as persulfate, hydroperoxide, and dodecylbenzenesulfonic acid.

The impact modifier used in the industrial resin composition of the present invention in agglomeration of the latex prepared by the above method, after adding the ion-exchanged water to lower the solids content of the final latex to 15% or less, agglomeration using hydrochloric acid or sulfuric acid The aggregated mixture is heated to 90 ° C or higher, aged, and cooled. This may be washed with ion-exchanged water, filtered and dried to obtain an impact modifier.

The industrial resin composition provided by this invention contains 0.5-20 weight part of said impact modifier compositions with respect to 40-99.9 weight part of industrial plastics. More preferably, 3 to 10 parts by weight of the impact modifier composition is mixed with industrial plastic and processed.

However, when it is necessary to observe the influence of the impact modifier composition on the physical properties of industrial plastics in more detail, it may be processed to contain a larger amount of impact modifier composition.

The industrial resin composition of the present invention can be molded into a more preferable form of product at a temperature of 210 to 290 ° C using conventional molding methods such as extrusion molding, injection molding, compression molding and the like. Appropriate molding conditions can be applied to the housing parts of communication devices such as automobile parts or housings, office automation device parts, electric appliance parts and mobile phones.

Hereinafter, the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the examples.

Example 1

Polymerization of Latex A

(Side polymerization)

970.60 g of ion-exchanged water was introduced into the reactor, and the temperature was raised to 75 ° C with nitrogen washing. When the temperature of ion-exchanged water reaches 75 ° C, 72.75 g of styrene, 24.25 g of acrylonitrile, 2.0 g of allyl methacrylate, and 1.0 g of divinylbenzene are added at once with 1.5 g of fatty acid potassium salt and 2.5 g of sodium bicarbonate. did. When the temperature in the reactor was stabilized to 70 ℃ was started by adding potassium persulfate. Nitrogen washing was carried out continuously until the reaction was complete. The particle size of the polymerized latex was measured using a laser light scattering device NICOMP, the particle size was 135nm when reacted as described above.

(Core polymerization)

The core reaction can be divided into a first core step of polymerizing silicone rubber and a second core step of polymerizing a mixed monomer of butyl acrylate and methyl methacrylate using power feeding.

(Core-1) The seed monomer ratio produced by the above method was taken to be 10 wt% of the total polymer weight, and the core reaction was continued. 0.174 g of dodecylbenzenesulfonic acid and 30.4 g of ion-exchanged water were added thereto, stirred for about 20 minutes, and the reactor temperature was raised to 80 ° C. 8.7 g of octamethylcyclotetrasiloxane and 0.43 g of triethoxymethylsilanemethyltriethoxysilane were separately prepared, mixed for 20 minutes, and then charged into a reactor together with 0.87 g of 3-methacryloxypropyltrimethoxysilane. After the reaction was neutralized to pH 8 with sodium carbonate.

(Core-2) In the second step of the core, the emulsion 1 and the emulsion 2 are prepared in advance as described above, and the emulsion 2 is slowly added dropwise to the emulsion 1 continuously, and at the same time, the emulsion 1 is added together with the initiator into the reactor. The reactor internal temperature was maintained at 70 ° C, and 4.5 parts by weight of fatty acid potassium salt was introduced into the reactor. To prepare emulsion 1, 39.82 g of butyl acrylate and 0.18 g of allyl methacrylate were added to the tank 1, and stirred. To prepare the emulsion 2, 4.98 g of methyl methacrylate and 0.02 g of allyl methacrylate were added thereto. It stirred and the emulsion 1 and emulsion 2 were manufactured.

The emulsion was started to be controlled at a rate such that the emulsion 1 was continuously introduced into the reactor for 1 hour, and at the same time, the emulsion 2 was also mixed with the emulsion 1 at the same rate. 40.2 g of ion-exchanged water, 0.008 g of FES, 0.143 g of EDTA, 0.25 g of SFS, and 0.07 g of t-butylhydroperoxide were used to continuously and continuously introduce the monomers of tank 1 into the reactor until the end time. did. However, FES, EDTA, and SFS were introduced into the reactor in an aqueous solution of about 3%, and nitrogen was continuously washed until the reaction was completed. After completion of the reaction, the mixture was subjected to aging for 1 hour, and then 2.5 parts by weight of fatty acid potassium salt was further added for latex stability.

(Shell polymerization)

Shell polymerization was also polymerized using a feeding method similar to the second stage of the core. 4.978 g of methyl methacrylate, 0.013 g of allyl methacrylate, and 0.009 g of divinylbenzene were added to the tank 1, followed by stirring. In tank 2, 18.67 g of styrene, 6.22 acrylonitrile, 0.065 g of allyl methacrylate, and 0.045 g of divinylbenzene were added. After adding and stirring g, after the aging step of the core polymerization, the mixture of tank 1 started to be fed at a controlled rate so that the mixture was continuously introduced into the reactor for 30 minutes. When the mixture of tank 1 reaches 50% of the initial amount, the mixture of tank 2 is steadily mixed into the tank 1 for the remaining time and the rate is controlled so that the monomers of tanks 1 and 2 can be mixed and introduced into the reactor. Was continuously fed into tank 1.

20.0 g of ion-exchanged water, 0.20 g of SFS, and 0.05 g of t-butylhydroperoxide were set up so that the monomer of Tank 1 could be continuously introduced into the reactor until the time when the monomer was started and finished. However, FES, EDTA, and SFS were introduced into the reactor in an aqueous solution of about 3%, and nitrogen was continuously washed until the reaction was completed. After all the monomers had been in the aging step for at least 1 hour.

The final particle diameter of the latex A thus prepared was 295 nm when measured using a laser light scattering device NICOMP.

Latex B Polymerization

(Side polymerization)

970.60 g of ion-exchanged water was introduced into the reactor, and the temperature was raised to 75 ° C with nitrogen washing. When the temperature of ion-exchanged water reached 75 degreeC, 72.75g of styrene, 24.25g of acrylonitrile, 2.0g of allyl methacrylates, and 1.0g of divinylbenzenes were thrown at the time with 5.0g of fatty acid potassium salts. When the temperature in the reactor was stabilized at 70 ° C., FES 0.015g, EDTA 0.285, SFS 4.55g, and 0.65g t-butylhydroperoxide were added thereto. However, FES, EDTA, and SFS were introduced into the reactor in an aqueous solution of about 3%, and nitrogen was washed continuously until the reaction was completed. After completion of the reaction, the maturation stage was about 30 minutes. The particle size of the polymerized latex was measured using a laser light scattering device, NICOMP, and the particle size was 41 nm when reacted as described above.

(Core polymerization)

It is the same as the method for preparing latex A except adding 9.5 parts by weight of fatty acid potassium salt for stability after the aging step in the (core-2) step.

(Shell polymerization)

Produced in the same manner as described in Latex A.

The final particle diameter of the latex B thus prepared was 85 nm when measured using a laser light scattering device NICOMP.

Mixing of Latex A and B

The final latex A and B polymerized by the above-described polymerization method were mixed in a 70/30 weight ratio.

Machining and property evaluation

LG Dow's polycarbonate was used as the matrix resin. 3 parts by weight of the multi-layered polymer is contained per 100 parts by weight of polycarbonate resin, and 0.5 parts by weight and 0,02 parts by weight of pigment for processing additives and color test are added, respectively, based on 100 parts by weight of polycarbonate resin. did. The mixed resin was extruded and injected to obtain a specimen for impact strength and color test.

[Examples 2 to 4]

In the same manner as in Example 1, but the final latex A and B polymerized by the polymerization method of Example 1 was mixed in a weight ratio of 30/70, 100/0, 0/100.

Composition ratios and physical property evaluation results of the latex of Examples 1 to 4 are shown in Table 1 below.

 division Composition ratio of impact modifier latex Property evaluation result Latex A Latex B Izod impact strength (Kg cm / cm) Colorability (5-point method) (%) (%) 0 ℃ -20 ℃ Example 1 70 30 67.1 42.4 4 Example 2 30 70 62.0 31.9 4 Example 3 100 0 65.4 38.8 3 Example 4 0 100 58.0 22.5 4

Izod impact strength: 1/8 ”specimen under 0 ° C and -20 ° C conditions

Coloration: Five-point method (5: very good, 4: good, 3: normal, 2: not good, 1: very bad)

[Examples 5 to 8]

When preparing latex A and B, latex A 'and latex B are prepared in the same manner as latex A and B, except that TMPTA is used instead of allyl methacrylate, which is a crosslinking agent added to both emulsions 1 and 2 in step (core-2). 'Was prepared, and latexes were mixed in the same ratio as in Examples 1 to 4.

Composition ratios and physical property evaluation results of the latex of Examples 5 to 8 are shown in Table 2 below.

 division Composition ratio of impact modifier latex Property evaluation result Latex A '(TMPTA) Latex B '(TMPTA) Izod impact strength (Kg cm / cm) Colorability (5-point method) (%) (%) 0 ℃ -20 ℃ Example 5 70 30 67.5 44.8 4 Example 6 30 70 63.1 32.5 4 Example 7 100 0 67.2 39.7 3 Example 8 0 100 60.1 23.3 4

Latex A ': Same as Latex A, but using TMPTA instead of AMA in [Core-2] step.

Latex B ': Same as Latex B but using TMPTA instead of AMA in [Core-2].

Izod impact strength: 1/8 ”specimen under 0 ° C and -20 ° C conditions

Coloration: Five-point method (5: very good, 4: good, 3: normal, 2: not good, 1: very bad)

[Examples 9 to 12]

In the preparation of latex A and B, when the monomer is added in step (core-2), the polymerization is carried out by adding an emulsifier and then adding the monomers at a time instead of preparing emulsions 1 and 2, and other polymerization methods. Is the same as Example 1. Latex mixing ratios of Examples 9 to 12 are the same as Examples 1 to 4.

Composition ratios and physical property evaluation results of the latex of Examples 9 to 12 are shown in Table 3 below.

 division Composition ratio of impact modifier latex Property evaluation result Latex A " Latex B " Izod impact strength (Kg cm / cm) Colorability (5-point method) (%) (%) 0 ℃ -20 ℃ Example 9 70 30 66.8 40.2 3 Example 10 30 70 61.8 30.4 3 Example 11 100 0 63.3 36.7 3 Example 12 0 100 57.6 30.0 3

Latex A ": Same as Latex A, but monomer input is temporary in [Core-2] step.

Latex B ": Same as Latex B, but monomer input is temporary in [Core-2] step.

Izod impact strength: 1/8 ”specimen under 0 ° C and -20 ° C conditions

Coloration: Five-point method (5: very good, 4: good, 3: normal, 2: not good, 1: very bad)

Comparative Example 1

Latex C Polymerization

(Side polymerization)

It was prepared in the same manner as described in the latex A of Example 1.

(Core polymerization)

It was prepared in the same manner as Latex A, except that 9.96 g of butyl acrylate and 0.004 g of allyl methacrylate were used without using silicone rubber in the (core-1) step.

(Core-2) step was prepared in the same manner as described in Latex A.

(Shell polymerization)

It was prepared in the same manner as described in the latex A of Example 1.

Latex D Polymerization

(Side polymerization)

It was prepared in the same manner as described in the latex B of the polymerization step of Example 1.

(Core polymerization)

It was prepared in the same manner as Latex B, except that 9.96 g of butyl acrylate and 0.004 g of allyl methacrylate were used without using silicone rubber in the (core-1) step.

(Core-2) step was prepared in the same manner as described in Latex B.

(Shell polymerization)

The same preparation was made as described in Latex B.

Mixing of Latex C and D

The final latex C and D polymerized by the above-described polymerization method were mixed in a 70/30 weight ratio.

Machining and property evaluation

It proceeded in the same manner as in Example.

[Comparative Examples 2-4]

In the same manner as in Comparative Example 1 described above, but the final latex C and D polymerized by the polymerization method of Comparative Example 1 was mixed in a weight ratio of 30/70, 100/0, 0/100.

[Comparative Example 5]

Proceeds in the same manner as in Comparative Example 1 above, but was prepared without adding an impact modifier.

Comparative Example 6

In the same manner as in Comparative Example 1 described above, 3 parts by weight of an acrylic impact modifier for PVC was added.

Composition ratios and physical property evaluation results of the latex of Comparative Examples 1 to 6 are shown in Table 4 below.

 division Composition ratio of impact modifier latex Property evaluation result Latex C (%) Latex D (%) Izod impact strength (Kg cm / cm) Colorability (5-point method) 0 ℃ -20 ℃ Comparative Example 1 70 30 53.2 19.7 4 Comparative Example 2 30 70 38.9 18.6 4 Comparative Example 3 100 0 56.3 20.8 3 Comparative Example 4 0 100 24.7 15.0 4 Comparative Example 5 0 Acrylic impact modifier for PVC 3.5 3.2 5 Comparative Example 6 60.2 29.1 One

Izod impact strength: 1/8 ”specimen under 0 ° C and -20 ° C conditions

Coloration: Five-point method (5: very good, 4: good, 3: normal, 2: not good, 1: very bad)

As can be seen from Tables 1 to 4, the resin compositions of Examples 1 to 12 according to the present invention have excellent low-temperature impact strength and excellent colorability compared to the resin compositions of Comparative Examples 1 to 6 according to the conventional methods. I could see that.

As described above, the impact modifier according to the present invention and the industrial resin composition including the same are useful inventions having excellent low-temperature impact strength and excellent colorability.

Although the invention has been described in detail above with reference to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the scope and spirit of the invention, and such modifications and variations are included in the appended claims. It is natural to belong.

Claims (14)

In the impact modifier composition added to industrial resin, (1) a seed polymer in which an aromatic vinyl monomer and a non-aromatic monomer are copolymerized; (2) a rubbery core polymer containing an acrylate type and silicone; And (3) a shell containing an alkyl methacrylate polymer; an impact modifier composition comprising a latex prepared by polymerizing sequentially. The method of claim 1, The seed polymer (1) accounting for 2-20 wt% of the total latex; (2) Styrene is used as the aromatic vinyl monomer, acrylonitrile is used as the non-aromatic monomer, and the amount of the non-aromatic monomer is 1 to 30% by weight based on the total monomers required for the seed polymerization. Has a quantity; And, (3) crosslinked using a crosslinkable monomer such as allyl methacrylate or divinylbenzene; and the like. The method of claim 1, The monomer constituting the seed polymer is one or more selected from the group consisting of styrene, alphamethylstyrene, vinyltoluene and 3-4-dichlorostyrene as aromatics; Non-aromatics include alkyl acrylates such as ethyl acrylate, butyl acrylate and 2-ethylhexyl acrylate, alkyl methacrylates such as methyl methacrylate, butyl methacrylate and benzyl methacrylate, acrylonitrile or meta The impact modifier composition, characterized in that at least one member selected from the group consisting of vinyl cyanide or vinylidene cyanide such as chloronitrile. The method of claim 1, The seed polymer, the impact modifier composition characterized in that it comprises a seed having a particle size of 40 to 170 nm. The method of claim 4, wherein The seed polymer, the impact modifier composition characterized in that it comprises two different kinds of seeds having a particle size of 40 to 50nm and 100 to 170nm size. The method of claim 1, The rubbery core polymer (1) account for 10-90 weight percent of the total latex; (2) a first core for polymerizing silicone rubber and a second core for polymerizing mixed monomers of butyl acrylate and methyl methacrylate; And, (3) the second core is a core made by using a power-feeding method so that the monomer distribution has a morphology (gradology); impact modifier composition, characterized in that. The method of claim 1, The rubbery core polymer is composed solely of silicone monomers such as octamethylcyclotetrasiloxane; Alkyl acrylates having 2 to 8 carbon atoms, methyl methacrylate, butyl meth, such as ethyl acrylate, propyl acrylate, isopropyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, octyl atryl, etc. An impact modifier composition comprising one or more acrylic rubbers selected from the group consisting of alkyl methacrylates such as acrylates and benzyl methacrylates. The method of claim 1, The method of injecting the rubbery core polymer was slowly added to the seed reactant together with the emulsifier and the initiator to prepare an emulsion 1 and an emulsion 2 mainly composed of two different monomers, and slowly added dropwise the emulsion 2 to the emulsion 1, The impact modifier composition, characterized in that the emulsion is prepared by a power-feeding method in which the emulsion 1 is added to the inside of the reactor at the same rate as the dropping amount to the emulsion 1. The method of claim 1, The shell (1) accounting for 10-50 wt% of the total latex; (2) methyl methacrylate and a copolymer of an aromatic vinyl monomer and a non-aromatic monomer; And, (3) a shell made using a power-feeding method so that the monomer distribution has a gradual morphology; an impact modifier composition, characterized in that the. The method of claim 1, Wherein said shell is prepared by mixing at least two monomers selected from the group consisting of aromatic vinyl monomers, copolymers of aromatic vinyl monomers and non-aromatic monomers, and monomers containing units derived from methyl methacrylate. Impact modifier composition. The method according to any one of claims 1 to 10, Particle diameter of the impact modifier composition is prepared to be different from each other by more than 100nm, impact modifier composition characterized in that it is prepared by mixing latex to have a bimodal particle size distribution. The method of claim 1, Impact modifier composition, characterized in that the final latex particle size of the impact modifier composition is 80 to 500nm. The method of claim 1, The impact modifier composition, characterized in that the amount of emulsifier used in each step in the production of the impact modifier composition, 0.1 to 10% by weight based on the total monomers. In the industrial resin composition, An industrial resin composition comprising 0.5 to 20 parts by weight of the impact modifier composition of claim 1 and 40 to 99.9 parts by weight of industrial plastics.