KR940000633B1 - Resin composition based on polycarbonates and polyamides - Google Patents

Abstract

This is a new resin composition based on polycarbonate and polyamide which has good impact strength and has no delamination. The composition comprises: 0.1-10 wt.pts. reactive compatible agent having reactive group with amide group of polyamide; and 1.0-15 wt.pts. non-reactive compatible agent whose main chain is polyamide and side chain is polystyrene, polymethylmetacrylate or acrylonitrile- styrene copolymer. The above reactive compatible agent is copolymer of glycidyl acrylate derivative of formula (5) and non-reactive is composed of macromolecular of (6), aliphatic diamine and ε-caprolactam.

Description

Resin composition based on polycarbonate and polyamide

The present invention relates to a resin composition based on polycarbonate and polyamide. Specifically, the present invention relates to a polycarbonate and a polyamide-based resin having excellent impact strength and no deIamination. It relates to a resin composition.

More specifically, the present invention is a reaction mixture capable of reacting polyamide with amide groups in the main chain, and having a compound or copolymer compatible with polycarbonate in the side chain and the main chain made of polyamide. The upper side chains are made by using a graft copolymer composed of polystyrene, polyether methacrylate, or acrylonitrile-styrene copolymers simultaneously as a non-reactive compatibilizer to induce a synergistic effect, thereby providing excellent mechanical properties. In addition to the properties, the present invention relates to a resin composition based on polycaonate and polyamide having high heat resistance, high impact resistance and excellent chemical resistance.

Such a resin composition wool provided by the present invention can be very useful for injection and extrusion molded products, such as automotive parts, electrical, electronic parts, etc., in which particularly high impact resistance and heat resistance light chemical resistance is required.

In general, in developing a new resin composition having desired physical properties, a considerable research time is required along with a huge development cost. Active research on polymer alloys for developing resin compositions

In particular, for example, United States Patent Nos. 3,130,177, 4,218,544, 4,472,544, 4,515,921, 4,522,979, 4,526,926, 4,544,315, 4,564,654, 4,595,729, and 4,630,169, Earl Patent publications 52-63954 and 58-11540, European Patent No. 0,074,112 and the like disclose yellows of polycarbonates with acrylonitrile-butadiene-styrene (ABS) graft copolymers. It is a resin composition that has a well-balanced performance, and is commercialized in a large amount on the forehead due to its excellent thermal and mechanical properties.

However, such a resin composition has a limitation in improving the impact strength because it does not deviate from the mixing law of the two resin components mixed with the alloy, and the two resin components mixed with the alloy are amorphous resins. There is a problem that the chemical resistance is extremely weak.

On the other hand, recently, in order to improve the impact resistance of the resin composition, a resin composition in which a thermoplastic impact agent is added to a resin composition of a polycarbonate / polyester-based polymer has been developed and applied to bumpers, exterior articles, electrical and electronic parts of automobiles. It is widely used.

For example, US Pat. Nos. 4,482,672, 4,515,918, 4,539,370, 4,39l, 954, 4,469,852, and 4,481,331 describe resin compositions of such polycarbonate / polyester-based polymers. The resin composition to which the thermoplastic impact agent was added is described in detail.

However, while such numerical compositions are well tolerated in gasoline and have impact resistance and weather resistance, they have the disadvantage of having relatively low thermal deformation temperatures and being particularly vulnerable to alkaline solvents.

As a more recently developed resin composition, Japanese Patent Laid-Open No. 59-68368 discloses a polycarbonate / polyamide resin composition having excellent mechanical properties of polycarbonate and excellent processability and chemical resistance of polyamide. Is disclosed.

However, Iwagal shows that the resin composition exhibits excellent electrical properties, whereas the molded resin molded products have a high degree of adhesion since the interfacial adhesion at each of the resin components, namely, polycarbonate and nylon interfaces, is mixed. It is also a problem that the impact strength is reduced.

US Pat. Nos. 4,782,114 and 4,782,117 disclose methods for increasing the compatibility between the two resin components described above.

In particular, US Pat. No. 4,782,117 uses a compatibilizer represented by the following general formula (1) to improve the compatibility between the two resin components described above:

[Formula 1]

(In the formula, n represents an integer value of 10 and 100 Shi).

The polycarbonate modified material used as a compatibilizer in the above patent is compatible with the resin component, polycarboxylic carbonate, as long as it is mixed with aloy, and also has hydroxy (-OH) in the main chain. While there is a group to increase the compatibility between the two resin components to be mixed by inducing hydrogen bonds, the impact strength does not give a satisfactory result.

In addition, US Pat. No. 4,782,114 discloses a propylene-grafted polyether imide compatibilizer and a maleic anhydride as a compatibilizer used to increase the compatibility between two resin components. Ethylene thermoplastic rubber is disclosed. That is, in the above patent, when only polyether imide is used as a compatibilizer, the impact strength is so low that by simultaneously adding maleic anhydride grafted propylene-ethylene rubber (rnaIeic anhydride grafted propylene-ethylene rubber) Increasing the impact strength.

However, as described above, when the propylene-ethylene rubber grafted with maleic anhydride is added in an amount exceeding 15 parts by weight in order to improve the impact strength, the heat deformation temperature is drastically lowered, and 5 When added in an amount of less than a part by weight, not only the impact strength is lowered, but even when such rubber is used in an amount of 5 to 15 parts by weight, the impact strength of the resin composition composed of polycarbonate / polyester / impact agent There is a problem that is less than 4 months.

In addition, much literature has recently been published on methods of increasing the compatibility between polycarbonate and nylon (industrial materials, 17 (1980), Japan; Polymer Journal, 287 (l990), Japan; plastic, 90 (1990), Japan).

In particular, an allylate-maleic anhydride copolymer represented by the following general formula (2) obtained by inducing a reaction between a polyamide amide group (-NH) and maleic anhydride: Compatibilizers have made significant progress in increasing compatibility between resin components mixed with alloys, but are still polycarbonate / acrylonitrile-butadiene-styrene (ABS) and polycarbonate in terms of impact strength. The problem with less than polyester alloys is:

[Formula 2]

(Wherein AO represents an alkyl group, X and R represent a hydrogen atom, an alkyl group, or an aryl group (preferably a phenyl group), and n and k represent an integer value of 2 or more).)

In general, in the case of yellowing two or more polymer materials, the properties of the final composition largely depend on the compatibility and morphology between the constituent polymers, and in particular, the compatibility and interfacial adhesion between the polymers are finally obtained. Finishes a great influence on the composition's depression.

Therefore, a yellowish compatibilizer is usually added as a method for improving the compatibility between the constituent polymers which are not compatible with each other or the interfacial adhesion at the constituent polymer interface.

Compatibilizers usable for this purpose can be broadly classified into two types.

Among them, first, a non-reactive compatibilizer, and a class of compatibilizers include copolymers that are compatible with each of the constituent polymers of the composition, or are blocked or grafted with the same polymer, respectively.

Since such non-reactive compatibilizers do not react with the constituent polymers based on the composition, they do not damage the molecular chain and do not cause physical property deterioration due to molecular weight reduction of the final resin composition. A large amount of compatibilizer is required to obtain.

Second, as reactive compatibilizers, mainly grafted copolymers are used as this class of compatibilizers. That is, as such a compatibilizer, the grafted side chain is made to be compatible with any one of the alloyed polymers in order to improve the fixing ability between the mixed constituent materials that are heated, and the main chain Grafted copolymers obtained by adding up reactive groups capable of reacting with the end columns of either polymer are used.

Although such a reactive compatibilizer is used in a small amount, a desired favorable effect can be obtained, but in some cases, the molecular weight of the resin composition may be reduced by reaction to cause a decrease in physical properties.

Accordingly, the inventors of the present invention continually explored and tried to develop a suitable compatibilizer that provides excellent fixing ability between polyamide and polycarbonate series. A polycarbonate / polyamide-based resin composition having high heat resistance and excellent impact resistance and chemical resistance by using a male compatibilizer and blocking a molecular weight reduction phenomenon of polycarbonane caused by the amide group of the polyamide in an appropriate manner. Came to offer.

That is, the present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a polycarbonate / polyamide-based numerical composition having high heat resistance, high impact resistance and excellent chemical resistance Be in

In more detail, an object of the present invention is to graft a polymer having a compatibility with a polycarbonate having a main chain and a reactive compatibilizer having a amide group of the polyamide as a compatibilizer and a reactively compatible reactor. The non-reactive compatibilizer used in the present invention is used to induce a commercial effect, i.e., a compatibilizing effect by the compatibilizing agent, and at the same time, to avoid the molecular weight reduction of the resin composition by the semi-reactive compatibilizing agent along with the compatibilizing effect by the non-reactive compatibilizing agent. The present invention provides a resin composition based on polycarbonate and polyamide that exhibits excellent mechanical properties of polycarbodate and excellent processability of polyamide by inducing effects.

In order to achieve the object of the present invention as described above, the present invention is a polyamide amide of polyamide with respect to 100 parts by weight of the resin mixture consisting of 40 to 99% by weight of polygabonnerite resin, 1.0 to 60% by weight polyamide 0.1-10 parts by weight of a reactive compatibilizer having a reactor capable of reacting with a group, and a non-reactive compatibilizer composed mainly of polyamide and a catalyst of polystyrene, polymethacrylate or acrylonitrile-styrene copolymer. A resin composition based on polycarbonate and polyamide containing parts by weight is provided.

In particular, in the present invention, it is preferable that the polyamido resin is any one kind of compound selected from polycaprolactop, poly (nuclear ethylene adipamide), and poly (hasa methylene sebacamide).

In the present invention, as the reactive compatibilizer, the main chain is made of styrene, ethyl acrylate, ethylene or a copolymer thereof having an epoxide, an acid group, or a glycyelf group of a polyamide, and the side chain is Preference is given to using those consisting of polyether methacrylate, styrene or acrylonitrile-styrene copolymers compatible with the polycarbonate.

In addition, in this invention, it is preferable to use the copolymer obtained by superposing | polymerizing from the glycidyl acrylate derivative represented by following General formula (5) as a reactive compatibilizer which has the glycidyl group which can react with the polyamide amido group. Do.

[Formula 5]

(Wherein R ³ and R ⁴ may be different or different from each other, and each represent a C ₁ to C ₆ alkyl group or a sub-group (preferably a phenyl group), and R 'is a buty glycidyl ether or narrow hairy glyc) Cyelf Ether, Oxyl Glycidyl Ether, Allyl Glycidyl Ether, Phenyl Glycidyl Ether, Cresyl Glycidyl Ether, (Meta-Ebenyl) Phenyl Gly Alder Adapter, (Meta-Isobutenyl) Panyl Glycidyl ether, or (meth-isopropane) phenyl glycidyl ether.)

In addition, in this invention, what consists of 5.0-20 weight% of sum total of the macromolecular monomer and aliphatic diamine represented by following General formula (6), and 80-95 weight% of epsilon caprolactam is used as said non-reactive compatibilizer. It is desirable to:

[Formula 6]

(Wherein, P represents any one selected from polymethylmethacrylate, styrene, or acrylonitrile-styrene copolymer having a number average molecular weight between 200 and 2000.)

In the present invention, it is preferable to use hexaethylenediamine or heptamethylenediamine as the aliphatic diamine.

Hereinafter, the present invention will be described in more detail as follows:

That is, the resin composition according to the present invention contains 1 to 60% by weight of polyamide resin (A), preferably 20 to 40% by weight, and 40 to 99% by weight of polycarbonate resin (B), preferably 60, as a main component. It contains ˜80% by weight.

In the resin composition according to the present invention, when the addition amount of the polyamide resin exceeds 60% by weight and the addition amount of the polycarbonate resin is less than 40% by weight, the impact strength and the heat resistance of the finally obtained resin composition There is a problem of being bad.

Since each resin component used in the preparation of the resin composition according to the present invention is inherently incompatible, it must be given compatibility by using a suitable compatibilizer.

Therefore, in the present invention, by using a reactive compatibilizer and a non-banung compatibilizer at the same time to induce a synergistic effect by the two types of compatibilizers, the effect is significantly improved compared to the compatibilizers used in the prior art.

That is, in this invention, it has an acid group which can react with the amide group (-NH) of a polyamide, an epoxy group or a glycidyl polyacryl main chain, a styrene main chain, an ethylene main chain, or the main chain of these copolymers, and has a side chain. For example, semi-aqueous compatibilizers having polymethyl methacrylate, styrene or acrylonitrile-styrene copolymers compatible with polycarbonate may be used in a range of 0.1 to 10 with respect to the celestial weight of the polyamide and polycarbonate resin mixture. Grafted copolymer sol polyamides and polycars, used in parts by weight and also as non-reactive compatibilizers, whose main chain consists of polyamides and whose side chains consist of polystyrene, polymetalmethylate or agyrylonitrile-styrene copolymers. Known ingredients, such as poly, that are mixed using 1.0 to 15 parts by weight relative to the total weight of the aonate resin mixture By increasing the interfacial fixing ability at the interface between carbonate resin and polyamide resin, it is based on polycarbonate and polyamide with high heat deformation temperature, high impact strength and no de-chucking phenomenon. A resin composition is provided.

When the amount of the reactive compatibilizer used in the present invention is less than 0.1 part by weight, it does not show an effect as a compatibilizer, and when the amount exceeds 10 · part by weight, there is a problem in that the molecular weight of the resin composition is reduced, resulting in deterioration of physical properties. .

In addition, when the amount of the non-astringent compatibilizer used in the present invention is less than 1.0 part by weight, it is difficult to prevent the destruction of the polycarbonate molecules by the amide group of the polyamide, and when the amount exceeds 15 parts by weight, There is a problem that it is difficult to expect good adhesion at the interface between the polycarbonate and the polyamido resin by reducing the reaction opportunity of the reactive compatibilizer.

On the other hand, in the production of the resin composition according to the present invention, as the polyamide resin component (A), a copolymer composed of an aliphatic stalk top (nylon 6), aliphatic diamine and aliphatic dicarboxylic acid may be used.

Examples of such polyamide resin components include poly (hexamethylene adipamide) (commonly referred to as "nylon 6,6") and poly (nuxamethylene sebacamide) (commonly referred to as "nylon 6,10"). ), Polycaprolactam (commonly referred to as "nylon 6").

U.S. Pat.Nos. 2,071,250, 2,071,251, 2,130,948, 2,32l, 966, 2,512,906 and 3.393,210 describe in detail the copolymers usable as such polyamado resin components.

In the present invention, it is particularly preferable to use a polycaprolactop having a relative degree between 3.0 and 4.5 at a concentration of 1 g / dl in 96% sulfuric acid.

Similarly, as another component in the preparation of the resin composition according to the present invention, polycarbonate (B) represented by the following general formula (3) may be used:

[Formula 3]

Wherein R ¹ and R ² may be the same as or different from each other, and each represents a hydrogen atom, an alkyl group or an aryl group (preferably a feather group) of C ₁ to C ₆ , and n is an integer between 40 and 300 Value.)

Such polycarbonates are readily prepared by the methods described in US Pat. Nos. 3,258,414 and 3,153,008, German Federal Republics Patent Nos. 1,046,311, 962,274, 2,999,846, 2,964,974, and 3,912,638. Can be obtained.

In general, as the polycarbonate resin component, a polymer obtained by polymerizing 2,2-bus (4-hydroxydifanyl) propane (busphenol A) and phosgene in a suitable organic solvent may be used. The process for the production of nates is well described in US Pat. No. 3,028,365.

In the present invention, it is particularly preferable to use bispanol A-type having a relative degree between 1.0 and 1.5 at 0.5 g / dl in the film methylene as the polycayonate resin component.

Meanwhile, in the present invention, a reactive compatibilizer having an acid group or an epoxy group which can be used as a compatibilizer during blending of a polycarbonate and a polyamide has a general formula having a value of 200 to 2000 horizontal molecular weight ( Macromolecular monomers represented by 4) [macronlonomer; J. Polym. Sci., Polym. Chem. Ed., 27, 2007 (l989)].

[Formula 4]

(In the above formula, P represents a side chain moiety of the semi-aromatic compatibilizer, and any one selected from among styrene, polyether methacrylate, and acrotron-nitride-styrene copolymer.)

For example, a semi-active compatibilizer having an edo-do group or an epoxy group is 10 parts by weight of the macromolecular monomer represented by Urban Formula (4), 81 parts by weight of methyl methacrylate monomer, 9 parts by weight of colloidal acid, and 2 as a counterinitiator. It can be obtained by adding 0.5 parts by weight of 2'-azodosisobutyronitrile (AIBN) to 100 parts by weight of terahidofuran (THF) and reacting for about 24 hours at a temperature of about 60 ° C. Reactive compatibilizers prepared using such methods are currently marketed worldwide under the trade name Reseda.

In addition, in the present invention, as a reactive compatibilizer having a glazed group which can be used as a compatibilizing agent in blending a polycarbonate and a polyamide, a copolymer obtained starting from, for example, a macromolecular monomer represented by the general formula (4). Can be used.

For example, such a semi-compound compatibilizer having a polyamide's amido group and a responsive glycine group is 30 parts by weight of a macromolecular weight represented by the general formula (4), 59.5 parts by weight of an ethylene monomer, and the following general formula (5). 10.5 parts by weight of glycine acrylate derivatives represented by) and 0.5 parts by weight of 2,2'-azobis isobutyronitrile (AIBN) as a semi-initiator are added to 100 parts by weight of the solvent, about 60 to 80 It can also be obtained by reacting about 24 hour Kanchean at a temperature of ℃, the semi-active compatibilizer prepared using such a method is currently commercially available under the trade name Modiper.

[Formula 5]

(Wherein R ³ , R ₄ and R ¹ have the meaning as defined above).

In the present invention, non-reactive compatibilizers that can be used as another compatibilizer for blends of polycarbonate and polyamide include copolymers obtained starting from macromolecular monomers represented by the following general formula (6). Can be.

[Formula 6]

(Wherein, P has a number average molecular weight between 200 and 2000, and represents any one selected from polyethyl methacrylate, styrene, or acrylonitrile-styrene copolymer.)

For example, as such a non-reactive compatibilizer, 5 to 20% by weight of a copolymer consisting of a macromolecular monomer in which P is styrene and an aliphatic diamine and 80 to 95% by weight of e-caprolactam are added in the formula (6). Styrene copolymer grafted with the polymerized polycaprolactam obtained by the polymerization reaction can be used.

In the present invention, diamines usable in the preparation of the above non-reactive compatibilizers include m-phenylenediamine, p-phenylenediamine, 4,4'-diaminophenyl propane, 4,4 '-Diaminodaphenyl methane, benzidine, 4,4-diaminophenyl sulfide, 4,4-diaminodiphenyl sulfone, 4,4'-diaminomenyl ether, 1,5-diaminonaphthalene, 3, 3'-diethylbenzidine, 3,3'-dimethoxybenchdan, 2,4'-bis (beta-amino-t-butyl) polyene, bis (p-beta-amano-t-butylphenyl) ether, Bis (p-beta-methyl-o-aminophenyl) benzene, 1,3-diamino-4-isoproelbenzene, 1,2-bis (3-aminopropoxy) ethane, m-xylenediamine, p- Xylenediamine, 2,4-diaminotoluene, 2,6-diaminotoluene, bis (4-aminocyclonucleosil) methane, 3-methylheptamethylenediamine, 4,4'-dimethylheptamethylenediamine, 2, 11-dodecanediamine, 2,2-dimethylpropylenediamine, octamethylenediamine, 3-methoxyhex Samethylenediamine, 2,5-diethylhexaethyldiamine, 2,5-dimethyl heptamethylenediamine, 3-methylheptamethylenediamine, 5-methylnonamethylenediamine, 1,4-cyclorexanediamine, 1,2-octa Decandiamine, bis (3-aminopropyl) sulfide, N-methyl-bis (3-aminopropyl) amine, hexamethylenediamine, heptamethylenediamine, nonamethylenediamine, decamethylenediamine, bis (3-aminopropyl) tetra Methyl disiloxane, bis (4-aminobutyl) tetramethyl disiloxane, etc. are mentioned.

Especially, it is preferable to use aliphatic diamines, such as hexamethylenediamine, heptamethylenediamine, etc. especially.

In addition, in this invention, the polymer obtained by the method as described in detail in the following manufacturing method can also be used as a non-reactive summary agent.

[Production Method Example 1]

In the commonly used polyamide reaction tube, 1,500 g of epsilon caprolactam, 1.67 g of hexamethylenediamine, and P in the formula (6) are acrylonitrile-styrene copolymers (the weight ratio of acrylonitrile / styrene is 30/70). 24.93 g of macromolecular monomer having a number average molecular weight of about 1,500 and 3 g of Iganox B 1171 (manufactured by Ciba-Geigy, Switzerland) as a heat-resistant agent, and 160 ml of pure water were added for about 1.5 hours. The temperature of the tube was raised to 120 ° C. and the pressure was raised to 17.5 kg / cm.sec ² while making the injected reaction uniform under stirring.

The temperature in the reaction tube was again raised to a temperature of about 245 ° C, and the reaction was proceeded again for about 2 hours while maintaining the generated volatile components and water vapor at a pressure of 17.5 kg / cm.sec ² . In order to proceed with the polycondensation reaction, the temperature in the tube was raised to a temperature other than about 265 ° C, and left for about 1.5 hours while gradually decreasing the pressure to normal pressure.

After the reaction was completed, a non-reactive compatibilizer in a chip state was prepared by injecting nitrogen into the tube to discharge the reactants.

[Production Method Example 2]

Except for changing the composition of each of the components introduced into the reaction tube as described above in the same manner as in the manufacturing method described above 1 to prepare a non-reactive compatibilizer in the chip state.

ε-caprolactam ... 1,500 g,

Hexamethylenediamine ... 0.57 g,

Macromolecular monomer (same as that of Production Example 1) ... 24.93 g,

160ml of pure water, and

Iganox B1171 (same as in Production Method Example 1) ... 3 g

[Production Method Example 3]

Except for the fact that the composition of each component introduced into the reaction tube was changed in the same manner as in Preparation Example 1, except that the non-reactive reactive agent in the chip state was prepared:

ε-caprolactam ············· 1,250g,

Hexamethylenediamine ························ 07.9g

Macromolecular monomer (same as that of Production Method Example 1) ... 408.1 g,

160ml of pure water, and

Iganox B1171 (same as in Production Method Example 1) ... 3 g

[Production Method Example 4]

Except for changing the composition of each of the components introduced into the reaction tube as described above in the same manner as 1 in the above-described manufacturing method to prepare a non-reactive activator in the chip state.

ε-caprolactam ········ 1,500 g,

Hexamethylenediamine ... 66 g

Macromolecular monomers (P in the formula (6) is polymethyl methacrylate, the number average molecular weight is about 1600) ... 83.6 g,

160ml of pure water, and

Iganox B1171 (same as in Production Method Example 1) ... 3 g

On the other hand, as the compounding extruder of the resin composition according to the present invention, a single screw extruder, a twin screw extruder or a reciprocating mixer (for example, a Buss mixer) can be used. Among them, it is preferable to use a twin screw extruder such as Werner Pfleider ZSK 83 or Werner Plyty ZSK 90.

The resin composition based on the polycarbonate and polyamide according to the present invention firstly mixes each component, that is, the polycarbonate resin component, the polyamide resin component, the reactive compatibilizer, and the reactive reactive compatibilizer in an appropriate ratio, It is made into a uniform dry mixture into a compounding extruder, melt-trained in the extruder to make a cap state, and then dried by injection in a hot air dryer is prepared.

In addition, the resin composition according to the present invention induces synergistic effects by the use of two kinds of compatibilizers and exhibits excellent mechanical properties of the polycarbonate resin and high heat resistance that well expresses the light processability of the polyamide resin. Within the scope of not impairing the object of the present invention for providing a resin composition having high impact resistance and excellent chemical resistance, for example, conventional fillers such as fibrous or industrial rainy season fillers, thermal stabilizers, lubricants, flame retardants, colorants, antistatic agents, plasticizers, and the like. An additive can be mix | blended suitably as needed.

Thus, the resin composition according to the present invention obtained by the mixing of polycarbonate, polyamide, compatibilizer, incompatibilizer and the like has been found to possess only desirable properties without the undesirable properties of each component.

That is, the resin composition according to the present invention can be usefully used for injection and extrusion molding of automobile parts, electronics, electrical parts, etc., which require particularly high impact resistance, heat resistance, and chemical resistance.

Next, a preferred embodiment of the present invention is described.

However, these examples are provided only to illustrate the present invention in more detail, the scope of the present invention is not limited only to these examples. In addition, all% and all parts used below mean weight% and a weight part, respectively.

Example 1

20 parts of polycaprolactam (nylon 6) having a relative degree of 3.96 at a concentration of 1 g / dl of 96% sulfuric acid as a polyamide resin component, and a bisphenol having a relative viscosity of 1.35 at a concentration of 0.5 g / dl in methylene chloride as a polycarbonate resin component. Biaxially heated to a temperature of 265 ° C. using 80 parts, 10 parts of Rezeda GP300 (manufactured by Dong-A Synthetic Co., Ltd.) as a reactive compatibilizer, and 5 parts of non-reactive compatibilizers prepared by the method 1 described above. After melt-drilling in an extruder to make chips, the chips thus dried were dried in a hot air dryer at 120 ° C. for at least 5 hours, followed by dumbbell-type specimens and 1/8 using a screw-type injection machine heated at 265 ° C. Each resin composition was prepared from the specimens.

EXAMPLES 2-6

The resin composition according to the present invention was obtained in the same manner as in Example 1, except for the use of each component of the resin composition in the proportion as shown in Table 1 below.

Comparative Examples 1 to 6

Each was treated in substantially the same manner as in Example 1 except that the constituents of each resin composition were used in the proportions as shown in Table 1 to obtain a resin composition.

TABLE 1

Note: (1); As a kind of the reactive compatibilizer used substantially, A and B are as follows;

(2) ; The polymerized non-reactive compatibilizer obtained in the example of the above production method is shown. On the other hand, the mechanical properties of the resin compositions prepared in Examples 1 to 10 and Comparative Examples 1 to 6 were investigated, and the results are shown in Table 2 below:

TABLE 2

Note: (1) tensile strength; Dumbbell-type specimens were prepared and measured according to ASTM D638.

(2) impact strength; Izod notch impact strength was measured according to ASTM D256 after fabricating 1/8 "specimens.

(3) Chemical resistance: After immersion in NaOH solution at pH 12 for 72 hours, the chemical resistance was measured as the retention rate of phosphorus strength.

(4) heat deflection temperature; Measurement was made under pressure of 264 Psi.

As detailed in Table 2 above, the resin composition based on the polycarbonate and polyamide provided by the present invention is thermally deformed in comparison with the conventional polycarbonate / polyamide-based polymer resin composition. It can be seen that the temperature is high, and the impact strength is high, and there is no dropping phenomenon.

Claims (6)

0.1 to 10 parts by weight of a reactive compatibilizer having a reactor capable of reacting with an amide group of the polyamide with respect to 100 parts by weight of a resin mixture composed of 40 to 99% by weight of a polycarbonate resin of 40 to 99% by weight of a polyamide resin A resin composition based on polycarbonate and polyamide, consisting of polyamide and containing from 1.0 to 15 parts by weight of a non-reactive compatibilizer consisting of polystyrene, polymethylmethacrylate or acrylonitrile-styrene copolymer. . The polycarbo of claim 1, wherein the polyamide resin is any one compound selected from polycaprolactam, poly (hexamethylene adipamide), and poly (hexamethylene sebacamide). Resin compositions based on nates and polyamides. The method of claim 1, wherein the reactive compatibilizer is composed of styrene, methyl methacrylate, ethylene or a copolymer thereof whose main chain has an epoxy group, an acid group or a glycidyl group capable of reacting with an amide group of a polyamide. A resin composition based on polycarbonate and polyamide, characterized by being made of polymethyl methacrylate, styrene or acrylonitrile-styrene copolymer compatible with polycarbonate. The reactive compatibilizer according to claim 1 or 3, wherein the reactive compatibilizer having a glycidyl group capable of reacting with an amide group of the polyamide is an aerial antibody obtained by polymerization from a glycidyl acrylate derivative represented by the following general formula (5). Resin compositions based on the specified polycarbonate and polyamide: Wherein R ³ and R ⁴ may be the same as or different from each other, and each represent an alkyl group or an aryl group (preferably a phenyl group) which is C _{1 to} C ₆ , and R ′ is a butyl glycidyl ether or heptyl glyci Dyl ether, Octal glycidyl ether, Allyl glycidyl ether, Phenyl glycidyl ether, Cresyl glycidyl ether, (meth-ethenyl) phenyl glycidyl ether, (meth-isobutenyl) phenyl glycidyl Ether, or (meth-isopropenyl) phenyl glycidyl ether.) According to claim 1, wherein the non-reactive compatibilizer is composed of 5.0 to 20% by weight of the total molecular weight monomer and aliphatic diamine represented by the general formula (6) and 80 to 95% by weight ε-caprolactam Resin compositions based on polycarbonates and polyamides: (Wherein, P has a number average molecular weight between 200 and 2000, and represents any one selected from polymethyl methacrylate, styrene, or acrylonitrile-styrene copolymer.) The resin composition based on polycarbonate and polyamide according to claim 1 or 5, wherein the aliphatic diamine is lexamethylenediamine or heptamethylenediamine.