KR20170030226A - Thermoplastic flame retardant resin composition and method for preparing the same - Google Patents
Thermoplastic flame retardant resin composition and method for preparing the same Download PDFInfo
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- KR20170030226A KR20170030226A KR1020150127503A KR20150127503A KR20170030226A KR 20170030226 A KR20170030226 A KR 20170030226A KR 1020150127503 A KR1020150127503 A KR 1020150127503A KR 20150127503 A KR20150127503 A KR 20150127503A KR 20170030226 A KR20170030226 A KR 20170030226A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/10—Copolymers of styrene with conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
- C08L63/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/22—Thermoplastic resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
Description
The present invention relates to a thermoplastic flame retardant resin composition and a method for producing the same, and more particularly, to a thermoplastic flame retardant resin composition having excellent mechanical properties and thermal deformation characteristics and excellent flame retardancy, and a method for producing the same.
Acrylonitrile-butadiene-styrene (ABS) resins have been widely used in the fields of electrical and electronic products and office equipment due to the stiffness and chemical resistance of acrylonitrile, butadiene and styrene, and mechanical strength. . However, the ABS resin itself has a characteristic of being easily combustible, and thus has little resistance to fire.
Due to these problems, ABS resin used in electric and electronic products and office equipment should satisfy the flame retardant standard in order to ensure the safety of electric and electronic products against fire.
A method of imparting flame retardancy to a rubber-modified styrenic resin includes polymerization of a flame-retardant monomer to prepare a rubber-modified styrenic resin, and a method of mixing a flame retardant and a flame retardant additive in a rubber-modified styrenic resin. And phosphorus-based flame retardants. Examples of the flame retarding additives include antimony compounds, zinc-based compounds, and polysiloxane-based compounds. However, when a halogen-based flame retardant is added, corrosive toxic gases such as HBr and HCl are generated due to the high temperature and pressure generated when the ABS resin is processed, thereby adversely affecting the working environment and the human body. This is also a problem that occurs in the combustion process of the ABS resin including the halogen-based flame retardant.
Therefore, studies for solving the above problems have been actively carried out, and among them, the use of phosphorus flame retardants has received the greatest attention in terms of environment, efficiency and cost.
However, the phosphorus flame retardant must be overcharged compared to the halogen flame retardant, and since the flame retardancy due to the solid phase reaction is mainly exhibited, the char former should be excessively injected when the base resin is difficult to form a char. In this process, since the physical properties of the base resin can be greatly impaired, a technique for minimizing the input amount of the phosphorus flame retardant and the char former is needed.
On the other hand, there is the UL94 vertical burning test method for the flame retardancy specification and the flame retardance discrimination test method, and it is a rule to judge the flame resistance from the internal ignition due to short circuit, short circuit, short, etc. of the circuit board in the electronic product. V-1 of the UL94 vertical combustion test method does not allow the CI (Cotton ignition) to ignite on the cotton lying about 30 cm away from the burned specimen, will be.
In order to solve the problems of the prior art as described above, the present invention relates to a thermoplastic flame retardant resin composition excellent in flame retardancy, which has excellent mechanical properties using a phosphorus flame retardant and has a heat distortion temperature of 76 ° C or higher and passes UL94 standard V- And a method for producing the same.
It is another object of the present invention to provide a molded article comprising the thermoplastic flame retardant 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 relates to a base resin comprising (A) a vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer and a vinyl aromatic compound-vinyl cyanide copolymer; (B) a urethane-phosphorus-modified epoxy resin; (C) phosphorus flame retardant; And (D) a boron-based synergist; , Wherein the weight ratio of the base resin (A) to the phosphorus flame retardant (C) is 1: 0.01 to 0.14, and the HDT is 76 ° C or more and satisfies the UL 94 standard V-1. And a manufacturing method thereof.
Further, the present invention provides a molded article produced by including the above-mentioned thermoplastic flame retardant resin composition.
According to the present invention, it is possible to provide a resin composition which is difficult to apply phosphorus-based flame retardant system due to its absence of a self-charring effect and which has a flame retardancy, excellent mechanical properties A physical property and an HDT of 76 DEG C or higher, a process for producing the same, and a molded article comprising the same.
Hereinafter, the present invention will be described in detail.
The thermoplastic flame retardant resin composition of the present invention comprises (A) a base resin composed of a vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer and a vinyl aromatic compound-vinyl cyan compound copolymer; (B) a urethane-phosphorus-modified epoxy resin; (C) phosphorus flame retardant; And (D) a boron-based synergist, wherein the weight ratio of the base resin (A) to the phosphorus flame retardant (C) is 1: 0.01 to 0.14, the UL 94 standard passes V- And the mechanical properties within this range are also excellent.
The components constituting the thermoplastic flame retardant resin composition according to the present invention will now be described in detail.
(A) a vinyl cyan compound- Conjugated diene compound- Vinyl aromatic Compound copolymer and vinyl Base resin made of an aromatic compound-vinyl cyanide copolymer
The basic resin may be, for example, 10 to 90% by weight of a vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer and 10 to 90% by weight of a vinyl aromatic compound-vinyl cyanide copolymer or a vinyl cyan compound- 20 to 50% by weight of a vinyl aromatic compound copolymer and 50 to 80% by weight of a vinyl aromatic compound-vinyl cyanide copolymer, and has an excellent mechanical property within this range.
The vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer is not particularly limited, but is prepared by emulsion graft polymerization. For example, the vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer is conjugated The diene compound is 40 to 85% by weight, 45 to 75% by weight or 55 to 65% by weight, and the impact strength and workability are excellent within the above range.
The vinyl cyan compound may be, for example, 5 to 40% by weight, 10 to 35% by weight or 15 to 30% by weight, based on the total weight of the vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer, An excellent balance of physical properties is obtained.
The vinyl aromatic compound may be, for example, 10 to 55% by weight, 15 to 45% by weight or 20 to 40% by weight, based on the total weight of the vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer, It has an excellent compatibility with the vinyl aromatic compound-vinyl cyanide copolymer.
The emulsion graft polymerization is carried out, for example, by mixing 40 to 85 parts by weight of a conjugated diene compound, 0.1 to 5 parts by weight of an emulsifier, 100 parts by weight of a conjugated diene compound, 0.1 to 3 parts by weight of a polymerization initiator and 0.05 to 1 part by weight of a polymerization initiator is continuously or batchwise added to a mixed solution containing 5 to 40 parts by weight of a vinyl cyan compound and 10 to 55 parts by weight of a vinyl aromatic compound.
The vinyl cyanide compound-conjugated diene compound-vinyl aromatic compound copolymer can be prepared by emulsion graft-polymerizing, and then coagulating, dehydrating and drying the copolymer.
The coagulation is preferably carried out using 1 to 10% by weight of a sulfuric acid or an aqueous solution of a sulfate or 1 to 5% by weight of a sulfuric acid or an aqueous solution of a sulfate.
The vinyl aromatic compound-vinyl cyanide copolymer may have a weight average molecular weight of 10,000 to 300,000 g / mol or 30,000 to 200,000 g / mol, and the content of the vinyl cyan compound may be 5 to 50% by weight or 10 to 40% And an excellent balance of physical properties within the above range can be obtained.
The vinyl cyan compound may be at least one selected from the group consisting of acrylonitrile, methacrylonitrile, and ethacrylonitrile.
The aromatic vinyl compound may be at least one selected from the group consisting of styrene, alpha-methylstyrene, para-methylstyrene, and vinyltoluene.
Examples of the conjugated diene compound include one selected from the group consisting of 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, 2-ethyl-1,3-butadiene, 1,3-pentadiene and isoprene Or more.
(B) a urethane-phosphorus-modified epoxy resin
The urethane phosphorus modified epoxy resin may be 1 to 30 parts by weight, 5 to 30 parts by weight, or 10 to 30 parts by weight based on 100 parts by weight of the base resin (A), and has excellent thermal stability and physical properties Balance has an excellent effect.
The urethane phosphorus-modified epoxy resin is compatible with the base resin and can generate char when the processed thermoplastic resin is burned. If the phosphorus-containing modified epoxy resin has a structure capable of promoting the dehydrogenation reaction by containing phosphorus And is not particularly limited.
The urethane phosphorus-modified epoxy resin is obtained by reacting an epoxy resin having a repeating unit represented by the following general formula (1A) and (1B) with a reactive phosphorylated flame retardant compound 9,10-dihydro-9-oxa- Having repeating units C, D and E represented by the following general formula (3) which can be obtained by reacting 9,9-dihydro-9-oxa-10-phosphahenanthrene-10-oxide (DOPO) Modified epoxy resin is preferable in view of satisfying the UL94 V-1 flame retardancy.
≪ EMI ID =
≪ RTI ID = 0.0 &
Wherein R 1 and R 2 are each independently a hydrogen atom, alkyl having 1 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, or alkylaryl having 7 to 30 carbon atoms.
X and Y are each independently selected from the group consisting of alkylene having 1 to 20 carbon atoms, alkylene substituted with oxygen or nitrogen, unsubstituted or substituted arylene having 6 to 24 carbon atoms or oxygen or nitrogen, Or bivalent alkylaryl substituted with oxygen or nitrogen.
N 1 and n 2 are each an integer of 0 to 100, and are not all zero.
And z is an integer of 1 to 3.
In another example, and in Formula 1, n 1 is an integer from 1 to 100, n 2 may be an integer from 0 to 100, or an integer of 1 to 100.
(2)
(3)
In Formula 3, R 1 , R 2, and R 3 are each independently a hydrogen atom, alkyl having 1 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, or alkylaryl having 7 to 30 carbon atoms.
X and Y are each independently selected from the group consisting of alkylene having 1 to 20 carbon atoms, alkylene substituted with oxygen or nitrogen, unsubstituted or substituted arylene having 6 to 24 carbon atoms or oxygen or nitrogen, Or bivalent alkylaryl substituted with oxygen or nitrogen.
N 1 ', n 2 ', and n 3 'are each an integer of 0 to 100, and are not all zero.
In another example, n 1 ', n 2 ' and n 3 'in the general formula (3) may each be an integer of 1 to 100.
And Z is an integer of 1 to 3.
As a preferred example, the urethane-phosphorus modified epoxy resin may have the structure represented by the following formula (4).
[Chemical Formula 4]
N 1 ", n 2 ", and n 3 "are integers between 0 and 100, and are not all zero.
As another example, in the above formula (4), n 2 "is an integer of 1 to 100, and n 1 " and n 3 "are each independently an integer of 0 to 100 or an integer of 1 to 100.
And Z is an integer of 1 to 3.
(C) Take over Flame retardant
The phosphorus flame retardant may be 1: 0.01 to 0.14, 1: 0.03 to 0.12 or 1: 0.05 to 0.10 in weight ratio of the base resin (A) to the phosphorus flame retardant (C) It is effective.
Examples of the phosphorus flame retardant (C) include a phosphate compound, a diphosphate compound, a polyphosphate compound having at least three phosphate groups, a phosphonate compound, a phosphinate compound and a diethylphosphinic acid metal compound And the metal may be at least one selected from the group consisting of an alkali metal, an alkaline earth metal, zinc and aluminum, and the salt may be ammonia or an amine.
Examples of the phosphate compound include triphenyl phosphate, tricresyl phosphate, tri (2,6-dimethylphenyl) phosphate, tri (2,4,6-trimethylphenyl) phosphate and the like, and the diphosphate- Tetra (2, 6-dimethylphenyl) resorcinol diphosphate, tetraphenyl bisphenol A diphosphate, and the like.
(D) Boron series Ascension agent
The boron-based synergist may be used in an amount of 1 to 10 parts by weight, 2 to 8 parts by weight, or 3 to 6 parts by weight based on 100 parts by weight of the base resin (A), and is excellent in flame retardancy and thermal stability within the above range.
The boron-based synergist may be at least one selected from the group consisting of zinc borate, boric acid, boron trioxide, calcium borate, borax, and boron carbide.
The boron-based synergist has an average particle diameter of 0.1 to 50 mu m, 1 to 45 mu m, or 10 to 35 mu m, for example.
The thermoplastic flame retardant resin composition may further include at least one member selected from the group consisting of an impact modifier, a thermal stabilizer, an anti-drop agent, an antioxidant, a light stabilizer, an ultraviolet screener, a pigment and an inorganic filler.
As another example of the thermoplastic resin composition, HDT may be 76 to 90 캜.
The thermoplastic resin composition is, for example, an Izod impact strength of 15 to 25 kgf · cm / cm.
The present invention is characterized in that it is a molded article produced by including the thermoplastic flame retardant resin composition.
The process for producing a thermoplastic flame retardant resin composition according to the present invention comprises: (A) 100 parts by weight of a base resin composed of a vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer and a vinyl aromatic compound-vinyl cyan compound copolymer; (B) 1 to 30 parts by weight of a urethane-phosphorus modified epoxy resin; (C) 1 to 14 parts by weight of a phosphorus flame retardant; And (D) 1 to 10 parts by weight of a boron-based elevating agent into an extruder and mixing and extruding at a barrel temperature of 210 to 240 ° C. The extruder may be, for example, a twin-screw extruder, and in this case, the kneading property is excellent.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Such variations and modifications are intended to be within the scope of the appended claims.
[Example]
The compounds used in Tables 1 to 5 are as follows.
* ABS copolymer: An ABS copolymer prepared by emulsion graft polymerization including a butadiene rubber latex having an average particle diameter of 0.3 占 퐉 and having a butadiene rubber content of 55% by weight, a styrene content of 20% by weight and an acrylonitrile content of 25%
Styrene-acrylonitrile copolymer: acrylonitrile content of 25% by weight and weight average molecular weight of 120,000 g / mol
* Epoxy resin
- A1 (urethane phosphorus modified epoxy resin): prepared by reacting an unreacted epoxy group of a urethane-modified epoxy resin as shown in the following A2 with DOPO (the above formula 2) in a molar ratio of 1: 1.2.
- A2 (urethane-modified epoxy resin): KD-1090 of Kukdo Chemical Co., Ltd.
- A3 (polyfunctional epoxy resin): a polyfunctional epoxy resin of the following formula (Kukdo Chemical)
[Chemical Formula 5]
(In the above formula (5), n is a natural number of 1 to 100)
- A4 (tetrafunctional epoxy resin): a tetrafunctional epoxy resin (KDT-4400, Kukdo Chemical Co.)
[Chemical Formula 6]
(Wherein X is an alkyl or aryl group having 1 to 30 carbon atoms and may optionally contain oxygen, nitrogen, etc.)
* Boron-based synergist
- B1 (zinc borate): manufactured by Sigma Aldrich (4ZnO.6B2O3.7H2O)
- B2 (boric acid): OCI company
- B3 (boron trioxide): manufactured by Sigma Aldrich
Example 1 to 6 and Comparative Example 1 to 28
The compositions and contents of the following Tables 1 to 5 were uniformly mixed using a Henschel mixer and then pelletized through a twin-screw extruder. The pellets were injection molded to prepare specimens.
[Test Example]
The properties of the samples prepared in Examples 1 to 6 and Comparative Examples 1 to 28 were measured by the following methods, and the results are shown in Tables 1 to 5 below.
Izod impact strength (kgf cm / cm): Measured according to ASTM D256.
* Flame Retardancy: The UL 94 test method, which is a standard method for evaluating the flame retardancy by dividing into V-0, V-1 and V-2 grades by the vertical combustion test, was performed. Failure to pass this rating is indicated by Fail.
* Weight average molecular weight (g / mol): The sample was dissolved in THF (tetrahydrofuran) and measured by GPC.
Heat distortion temperature (HDT; 占 폚): Measured according to ASTM D648.
Suzy
(Parts by weight)
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Ascension agent
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(3.0 mm)
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(Parts by weight)
Ascension agent
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(3.0 mm)
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Suzy
(Parts by weight)
(Parts by weight)
(Parts by weight)
Ascension agent
(Parts by weight)
(Parts by weight)
(Parts by weight)
(Parts by weight)
(3.0 mm)
(3.0 mm)
Suzy
(Parts by weight)
(Parts by weight)
(Parts by weight)
(Parts by weight)
(Parts by weight)
(3.0 mm)
Suzy
(Parts by weight)
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As shown in Tables 1 to 5, in Examples 1 to 6 of the present invention, impact strength was remarkably improved compared with Comparative Examples 1 to 25 in which a urethane-phosphorus modified epoxy resin or a boron-based synergist was not used, -1 and the heat distortion temperature was increased.
On the other hand, Comparative Examples 1 to 3 using only the boron-based synergist without using the urethane phosphorus-modified epoxy resin did not pass the UL94 standard V-1.
Comparative Examples 4 to 12, which contained an excessive amount of a flame retardant and did not contain a urethane phosphorus modified epoxy resin, passed UL94 Standard V-1, but both the heat distortion temperature and the impact strength were both lowered. Resins were used, but Comparative Examples 13 to 15 using an inorganic material instead of a boron-based synergist did not pass the UL94 standard V-1.
Comparative Example 26 in which phosphorus flame retardant was used in excess was passed through UL 94 Standard V-1, but the heat distortion temperature was lowered due to excessive plasticizing flame retardant, and in comparison with Comparative Example 26 using no urethane phosphorus modified epoxy resin 27 did not pass the UL 94 standard V-1 and Comparative Example 28 which used an excessive amount of the boron-based synergist passed the UL 94 standard V-1, but the impact strength was too high due to the excessive compatibility with the boron- Lowered.
Claims (12)
The thermoplastic flame retardant resin composition according to (B), wherein the (A) urethane-based modified epoxy resin is contained in an amount of 1 to 30 parts by weight based on 100 parts by weight of the base resin (A).
Wherein the boron-based synergist (D) is contained in an amount of 1 to 10 parts by weight based on 100 parts by weight of the base resin (A).
The thermoplastic flame retardant resin composition according to claim 1, wherein the (B) urethane-phosphorus modified epoxy resin has repeating units represented by the following formulas (3C), (3C) and (3E).
[Chemical formula 3C]
[Chemical Formula 3]
(3E)
In the above formulas 3C, 3D and 3E, R 1 , R 2 and R 3 are each independently a hydrogen atom, alkyl having 1 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, or alkylaryl having 7 to 30 carbon atoms.
X and Y are each independently selected from the group consisting of alkylene having 1 to 20 carbon atoms, alkylene substituted with oxygen or nitrogen, unsubstituted or substituted arylene having 6 to 24 carbon atoms or oxygen or nitrogen, Or bivalent alkyl allyl substituted with oxygen or nitrogen.
N 1 , n 2, and n 3 are each an integer of 0 to 100, and are not all zero.
And Z is an integer of 1 to 3.
The phosphorus flame retardant (C) is at least one selected from the group consisting of a phosphate compound, a diphosphate compound, a polyphosphate compound having at least three phosphate groups, a phosphonate compound, a phosphinate compound and a diethylphosphinic acid metal compound Wherein the metal is at least one selected from the group consisting of an alkali metal, an alkaline earth metal, zinc and aluminum, and the salt is ammonia or an amine.
The boron-based synergist (D) is at least one selected from the group consisting of zinc borate, boric acid, boron trioxide, calcium borate, borax, and boron carbide. And a thermoplastic flame retardant resin composition.
The vinyl cyan compound-conjugated diene compound-vinyl aromatic compound copolymer contains 40 to 85% by weight of a conjugated diene compound, 5 to 40% by weight of a vinyl cyan compound and 10 to 55% by weight of a vinyl aromatic compound, based on the total weight of the copolymer Wherein the thermoplastic flame retardant resin composition is a thermoplastic flame retardant resin composition.
Wherein the vinyl aromatic compound-vinyl cyanide copolymer has a weight average molecular weight of 10,000 to 300,000 g / mol, and the vinyl cyan compound is contained in an amount of 5 to 50% by weight.
Wherein the thermoplastic flame retardant resin composition further comprises at least one member selected from the group consisting of an impact modifier, a thermal stabilizer, an antistatic agent, an antioxidant, a light stabilizer, an ultraviolet screener, a pigment, and an inorganic filler.
Wherein the thermoplastic resin composition has an Izod impact strength of 15 to 25 kgf / cm / cm.
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| KR1020150127503A KR20170030226A (en) | 2015-09-09 | 2015-09-09 | Thermoplastic flame retardant resin composition and method for preparing the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190119706A (en) | 2018-04-13 | 2019-10-23 | 경기대학교 산학협력단 | Flame retardant and thermoplastic resin composition comprising the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040063415A (en) | 2003-01-07 | 2004-07-14 | 주식회사 엘지화학 | Alloy Composition of Polyester-Styrene Copolymer |
-
2015
- 2015-09-09 KR KR1020150127503A patent/KR20170030226A/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040063415A (en) | 2003-01-07 | 2004-07-14 | 주식회사 엘지화학 | Alloy Composition of Polyester-Styrene Copolymer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190119706A (en) | 2018-04-13 | 2019-10-23 | 경기대학교 산학협력단 | Flame retardant and thermoplastic resin composition comprising the same |
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