KR20010027881A - Flame Retardant Syndiotactic Polystyrene Resin Composition - Google Patents

Flame Retardant Syndiotactic Polystyrene Resin Composition Download PDF

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KR20010027881A
KR20010027881A KR1019990039859A KR19990039859A KR20010027881A KR 20010027881 A KR20010027881 A KR 20010027881A KR 1019990039859 A KR1019990039859 A KR 1019990039859A KR 19990039859 A KR19990039859 A KR 19990039859A KR 20010027881 A KR20010027881 A KR 20010027881A
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syndiotactic polystyrene
weight
parts
resin composition
polystyrene resin
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KR1019990039859A
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Korean (ko)
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임재곤
장복남
장학전
김현준
백정현
우상선
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유현식
삼성종합화학 주식회사
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Publication of KR20010027881A publication Critical patent/KR20010027881A/en

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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
    • C08L25/06—Polystyrene
    • 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
    • C08K5/5317—Phosphonic compounds, e.g. R—P(:O)(OR')2
    • C08K5/5333—Esters of phosphonic acids
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12—Polyphenylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/16—Syndiotactic
    • 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

PURPOSE: A syndiotactic polystyrene resin composition having flame-retardant property without alteration of mechanical property is obtained by applying non-halide phosphate flame retardant and PPO to the syndiotactic polystyrene composition complement with impact strength. CONSTITUTION: A syndiotactic polystyrene resin composition with higher flame-retardant ability and without lowering impact-resistance is composed of 50-94 weight parts of syndiotactic polystyrene(sPS); 1-20 weight parts of hydrogenated styrene/butadiene/styrene block copolymer(SEBS); 1-10 weight parts of SEBS-maleic anhydride(MA). The composition includes also 1-48 weight parts of a polyphenylene oxide(PPO) and 3-30 weight part of phosphate flame-retardant. Further, the composition is added with glass fiber in an amount of 5-40 weight parts relative to total 100 parts by weight of the composition.

Description

난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물{Flame Retardant Syndiotactic Polystyrene Resin Composition}Flame Retardant Syndiotactic Polystyrene Resin Composition

발명의 분야Field of invention

본 발명은 비-할로겐 형태의 난연제를 사용하여 난연 특성을 발휘하고 기계적 물성은 동등하게 유지할 수 있는 신디오탁틱 폴리스티렌 수지 조성물에 관한 것이다. 보다 구체적으로 본 발명은 신디오탁틱 폴리스티렌을 포함하는 충격특성이 보완된 조성물에 비-할로겐 형태의 난연제를 처방하여 환경친화적인 난연성을 확보하는 신디오탁틱 폴리스티렌 수지 조성물에 관한 것이다.The present invention relates to a syndiotactic polystyrene resin composition capable of exhibiting flame retardant properties using non-halogen type flame retardants and maintaining mechanical properties equally. More specifically, the present invention relates to a syndiotactic polystyrene resin composition for securing environmentally friendly flame retardancy by prescribing a non-halogen-type flame retardant in a composition having an impact property supplemented with syndiotactic polystyrene.

발명의 배경Background of the Invention

결정성 구조를 갖는 고분자인 신디오탁틱 폴리스티렌은 녹는점(Tm)이 270℃정도로 높고, 열안정성 및 강성을 비롯한 기계적 성질이 우수하여 관심의 대상이 되고 있다. 그러나 내충격성이 낮기 때문에 사용 용도가 극히 제한되어 왔다. 이러한 문제점을 해결하기 위하여 고무성분의 충격보강제 및 각종 상용화제를 도입함으로써 충격강도의 향상 기술에 대한 많은 연구가 행해졌으며(미국특허: 제5,777,028, 제5,760,105호, 제5,654,365호, 제5,543,462호, 제5,391,603호, 제5,352,727호 및 제5,270,353호), 이후 일본의 이데미쯔사는 충격특성이 보강된 신디오탁틱 폴리스티렌 수지 조성물에 유리섬유(glass fiber)를 충진한 난연 컴파운드의 상용 제품을 출시하였다. 이때 사용한 난연제품은 할로겐 형태로서 연소시 연소가스에 의한 인체 유해성 및 환경오염 문제로 인해 제품 특성의 보완이 요구되어왔다.Syndiotactic polystyrene, a polymer having a crystalline structure, has a high melting point (Tm) of about 270 ° C., and is of interest because of its excellent mechanical properties including thermal stability and rigidity. However, its use has been extremely limited because of its low impact resistance. In order to solve this problem, a lot of researches have been conducted on the technology of improving the impact strength by introducing a rubber-based impact modifier and various compatibilizers (US Pat. Nos. 5,777,028, 5,760,105, 5,654,365, 5,543,462 and 5). 5,391,603, 5,352,727 and 5,270,353), and later, Idemitsu Corp., Japan, has released commercial products of flame retardant compounds filled with glass fibers in syndiotactic polystyrene resin compositions with enhanced impact properties. The flame retardant products used in this case are in the form of halogens and have been required to supplement product characteristics due to human hazards and environmental pollution problems caused by combustion gases during combustion.

수지 조성물에 주로 사용되는 난연제로는 브롬과 염소화합물로 대표되는 할로겐계 난연제와 비할로겐계 난연제로 인산에스테르계 화합물이 있다. 할로겐계 난연제는 난연성이 우수하고 내약품성은 강하지만 내후성이 취약하고 고온성형시 열안정성의 저하로 할로겐화 수소가 발생하여 금형 부식문제가 발생할 수 있으며 강제 연소시 유해가스가 다량 발생하여 환경문제가 있는 단점이 있다. 반면 비-할로겐의 인산에스테르계 난연제는 가소화가 부가적으로 일어나며 탈수반응을 촉진하고 탄화촉진으로 챠르(char) 발생량이 많기 때문에 연소 가스의 발생이 적어 환경측면에서 유리하다.Flame retardants mainly used in resin compositions include halogenated flame retardants and non-halogen flame retardants represented by bromine and chlorine compounds. Halogen-based flame retardants have excellent flame retardancy and strong chemical resistance, but have poor weatherability, and may cause corrosion of mold due to deterioration of thermal stability during high temperature molding, and corrosion of mold. There are disadvantages. On the other hand, non-halogen phosphate ester flame retardant is advantageous in terms of environment because it generates little combustion gas because plasticization occurs additionally, dehydration reaction is promoted, and char is generated by char.

이에 본 발명자들은 신디오탁틱 폴리스티렌과 고무성분으로서 스티렌/부타디엔/스티렌(SEBS)을 사용하고, 상용화제로서 스티렌/부타디엔/스티렌-무수말레인산 (SEBS-MA) 및 폴리페닐렌옥시드(PPO)를 최적으로 적용하여 충격강도를 보강하고 난연제로서 비-할로겐의 인산에스테르계 난연제를 부가함으로써 인체유해성이 없으며 환경친화적인 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물을 개발하기에 이른 것이다.The present inventors use styrene / butadiene / styrene (SEBS) as syndiotactic polystyrene and rubber components, and optimize styrene / butadiene / styrene-maleic anhydride (SEBS-MA) and polyphenylene oxide (PPO) as compatibilizers. It is to develop a syndiotactic polystyrene resin composition excellent in impact resistance and environmentally friendly flame retardant by adding a non-halogen phosphate ester flame retardant as a flame retardant by applying to.

본 발명의 목적은 신디오탁틱 폴리스티렌을 함유하는 조성물에 비-할로겐 형태의 인산에스테르계 난연제를 적용함으로써 환경친화적인 난연성 부여를 통해 용도 전개시 다양한 분야의 적용이 가능한 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물을 제공하기 위한 것이다.It is an object of the present invention to apply a non-halogen phosphate-based flame retardant to a composition containing syndiotactic polystyrene, thereby providing eco-friendly flame retardancy, thereby providing excellent flame retardancy and syndiotactic polystyrene resin that can be applied in various fields. To provide a composition.

본 발명의 다른 목적은 인산에스테르계 난연제와 함께 폴리페닐렌옥시드 (PPO)의 함량을 조절하여 적용함으로써 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물을 제공하기 위한 것이다.Another object of the present invention is to provide a syndiotactic polystyrene resin composition having excellent flame retardancy by controlling the content of polyphenylene oxide (PPO) together with a phosphate ester flame retardant.

본 발명의 상기 목적 및 기타의 목적들은 하기 설명되는 본 발명에 의해 모두 달성될 수 있다. 이하 본 발명의 내용을 하기에 상세히 설명한다.The above and other objects of the present invention can be achieved by the present invention described below. Hereinafter, the content of the present invention will be described in detail.

본 발명의 신디오탁틱 폴리스티렌 수지 조성물은 (A) 신디오탁틱 폴리스티렌(sPS) 50∼94 중량부; (B) 수소첨가 스티렌/부타디엔/스티렌 블록 공중합체(SEBS) 1∼20 중량부; (C) 수소첨가 스티렌/부타디엔/스티렌-무수말레인산 (SEBS-MA) 1∼10 중량부; (D) 폴리페닐렌옥시드(PPO) 1∼48 중량부; (E) 인산에스테르계 난연제 3∼30 중량부; 및 선택적으로 (F) 유리섬유 5∼40 중량부로 이루어진다.Syndiotactic polystyrene resin composition of the present invention (A) 50 to 94 parts by weight of syndiotactic polystyrene (sPS); (B) 1 to 20 parts by weight of hydrogenated styrene / butadiene / styrene block copolymer (SEBS); (C) 1 to 10 parts by weight of hydrogenated styrene / butadiene / styrene-maleic anhydride (SEBS-MA); (D) 1 to 48 parts by weight of polyphenylene oxide (PPO); (E) 3 to 30 parts by weight of a phosphate ester flame retardant; And optionally 5 to 40 parts by weight of (F) glass fiber.

이하 본 발명의 수지 조성물의 각 성분들에 대하여 구체적으로 살펴본다.Hereinafter, each component of the resin composition of the present invention will be described in detail.

(A) 신디오탁틱 폴리스티렌(sPS)(A) Syndiotactic Polystyrene (sPS)

신디오탁틱 폴리스티렌은 신규의 메탈로센 촉매와 조촉매로 이루어지는 촉매계에서 중합된다. 상기 메탈로센 촉매는 전이금속 화합물의 보조 리간드와 화합물의 작용기가 서로 결합하여 연결된 구조를 가지며, 전이금속 화합물의 종류 또는 2개 이상의 작용기를 갖는 화합물의 종류 및 각각의 반응물의 몰비에 따라 매우 다양한 형태로 존재할 수 있다.Syndiotactic polystyrene is polymerized in a catalyst system consisting of a novel metallocene catalyst and a cocatalyst. The metallocene catalyst has a structure in which an auxiliary ligand of a transition metal compound and a functional group of the compound are linked to each other, and vary greatly depending on the kind of the transition metal compound or the kind of the compound having two or more functional groups and the molar ratio of each reactant. May exist in the form.

(B) 수소첨가 스티렌/부타디엔/스티렌 블록 공중합체(SEBS)(B) hydrogenated styrene / butadiene / styrene block copolymer (SEBS)

고무성분으로서 신디오탁틱 폴리스티렌의 충격 강도를 증가시키기 위해 부가되는 충격보강제이다.It is an impact modifier added to increase the impact strength of syndiotactic polystyrene as a rubber component.

(C) 수소첨가 스티렌/부타디엔/스티렌-무수말레인산(SEBS-MA)(C) hydrogenated styrene / butadiene / styrene-maleic anhydride (SEBS-MA)

SEBS-MA는 신디오탁틱 폴리스티렌과 고무성분과의 상용성을 증가시키기 위해서 부가되는 상용화제로서, 스티렌/부타디엔/스티렌을 무수말레인산으로 처리하여 제조한 것을 사용하였다.SEBS-MA is a compatibilizer added to increase the compatibility between syndiotactic polystyrene and rubber components, and was prepared by treating styrene / butadiene / styrene with maleic anhydride.

(D) 폴리페닐렌옥시드(PPO)(D) polyphenylene oxide (PPO)

PPO는 신디오탁틱 폴리스티렌과 고무성분과의 상용성을 증가시키기 위하여 부가한다.PPO is added to increase the compatibility of syndiotactic polystyrene with the rubber component.

(E) 인산에스테르계 난연제(E) Phosphate Ester Flame Retardant

연소가스에 의한 인체 유해성 및 환경오염 문제를 야기하지 않는 환경친화적인 난연성 부여를 목적으로 부가한다.It is added for the purpose of providing environmentally friendly flame retardancy that does not cause human hazards and environmental pollution by combustion gas.

(F) 유리섬유(glass fiber: GF)(F) glass fiber (GF)

무기 충진제로서 유리섬유를 적용하였다. 유리섬유는 폴리스티렌 수지 조성물 100 중량부에 대하여 5∼40 중량부의 양으로 부가된다.Glass fiber was applied as an inorganic filler. Glass fiber is added in the quantity of 5-40 weight part with respect to 100 weight part of polystyrene resin compositions.

본 발명의 신디오탁틱 폴리스티렌 수지 조성물은 필요에 따라 적하방지제, 충격보강제, 가공조제, 열안정제, 산화방지제, 광안정제 등이 첨가될 수 있으며, 안료, 염료 및 황산염, 석면, 유리섬유, 탈크, 실리카, 세라믹과 같은 무기 충진제 등도 첨가될 수 있다.Syndiotactic polystyrene resin composition of the present invention may be added dropping inhibitors, impact modifiers, processing aids, heat stabilizers, antioxidants, light stabilizers and the like, pigments, dyes and sulfates, asbestos, glass fibers, talc, Inorganic fillers such as silica and ceramics may also be added.

본 발명의 신디오탁틱 폴리스티렌 조성물은 하기의 실시예에 의하여 보다 명확히 이해될 수 있으며, 하기의 실시예는 본 발명의 예시 목적에 불과하며 발명의 영역을 제한하고자 하는 것은 아니다.Syndiotactic polystyrene composition of the present invention can be more clearly understood by the following examples, the following examples are merely illustrative purposes of the present invention and are not intended to limit the scope of the invention.

실시예Example

하기의 실시예 및 비교실시예의 수지 조성물에 사용된 (A) 신디오탁틱 폴리스티렌(sPS), (B) 수소첨가 스티렌/부타디엔/스티렌 블록 공중합체(SEBS), (C) 수소첨가 스티렌/부타디엔/스티렌-무수말레인산(SEBS-MA), (D) 폴리페닐렌옥시드 (PPO), (E) 인산에스테르계 난연제 및 기타 첨가제의 제조 및 사양은 다음과 같다.(A) syndiotactic polystyrene (sPS), (B) hydrogenated styrene / butadiene / styrene block copolymer (SEBS), (C) hydrogenated styrene / butadiene / used in the resin compositions of the following Examples and Comparative Examples Preparation and specifications of styrene-maleic anhydride (SEBS-MA), (D) polyphenylene oxide (PPO), (E) phosphate ester flame retardant and other additives are as follows.

(A) 신디오탁틱 폴리스티렌(sPS)(A) Syndiotactic Polystyrene (sPS)

생성되는 폴리머의 형태(morphology)를 조절하기 위하여 실험실 Scale의 유리반응기에서 중합하여 신디오탁티시티(Syndiotacticity)가 97이상인 폴리스티렌 (sPS)을 얻었다.In order to control the morphology of the polymer produced, polymerization was carried out in a glass scale reactor to obtain polystyrene (sPS) having a syndiotacticity of 97 or more.

(B) 수소첨가 스티렌/부타디엔/스티렌 블록 공중합체(SEBS)(B) hydrogenated styrene / butadiene / styrene block copolymer (SEBS)

SEBS로는 쉘(Shell)사의 상용제품인 Kraton G-1651을 사용하였다.SEBS was used as Kraton G-1651, a commercial product from Shell.

(C) 수소첨가 스티렌/부타디엔/스티렌-무수말레인산(SEBS-MA)(C) hydrogenated styrene / butadiene / styrene-maleic anhydride (SEBS-MA)

SEBS-MA로는 일본 아사히사의 상용제품인 M-1913을 사용하였다.As SEBS-MA, M-1913, a commercial product of Asahi Japan, was used.

(D) 폴리페닐렌옥시드(PPO)(D) polyphenylene oxide (PPO)

PPO로는 일본 아사히사의 상용제품인 P401을 사용하였다.As the PPO, P401, a commercial product of Asahi Corp., was used.

(E) 인산에스테르계 난연제(E) Phosphate Ester Flame Retardant

인산에스테르계 난연제로는 일본 다이하찌 케미컬사의 상용화제품인 PX-200을 사용하였으며 화학명은 레소시놀비스(디2,6크실레닐포스페이트)이다.PX-200, a commercial product of Daihachi Chemical Co., Ltd., was used as a phosphate ester flame retardant. The chemical name is Resorcinol bis (di2,6 xylenyl phosphate).

상기 각 성분들을 하기 표 1에 기재된 조성으로 실시예 1∼2 및 비교실시예의 수지 조성물을 제조하였다.Each of the components was prepared in the resin compositions of Examples 1 and 2 and Comparative Examples in the composition shown in Table 1.

성 분(단위: 중량부)Component (parts by weight) 실시예Example 비교실시예Comparative Example 1One 22 1One (A) sPS(A) sPS 6666 4949 7676 (B) SEBS(B) SEBS 1414 1010 1616 (C) SEBS-MA(C) SEBS-MA 3.53.5 2.52.5 44 (D) PPO(D) PPO 3.53.5 28.528.5 44 (E) 인계난연제(E) Phosphorus Flame Retardant 1313 1919 1010 난연성(UL94)Flame Retardant (UL94) FailFail V-1V-1 FailFail

난연성 평가는 1/8", 1/10", 1/12", 1/16" 두께별로 UL94 규격시험방법에 의하여 실시하였으며, 실시예 1,2에서는 모든 두께에서 연소를 하였으나, 비교실시예 2의 조성에서는 V-1 이상의 난연성을 보였다.Flame retardancy was evaluated according to the UL94 standard test method for 1/8 ", 1/10", 1/12 ", 1/16" thickness. In Examples 1 and 2, combustion was performed at all thicknesses, but Comparative Example 2 The composition showed flame retardancy of V-1 or higher.

실시예 1 및 비교실시예 1(이데미쯔사 폴리스티렌 조성물; 미국특허 제5,777,028호)의 조성물에 대하여 기타 기계적 물성 및 배합의 연속공정 적용 가능성을 평가하기 위하여 통상의 이축압출기에서 280℃의 가공온도에서 압출하여 펠렛상으로 제조하였다. 제조된 펠렛은 80℃의 온도에서 3시간 건조 후 6Oz 사출기에서 성형온도 300℃의 조건으로 사출하여 물성시편을 제조하였고, 기계적 물성을 측정하여 그 결과를 각각 표 2에 나타내었다.The composition of Example 1 and Comparative Example 1 (Idemitsu Co., Ltd .; US Pat. No. 5,777,028) was evaluated at a processing temperature of 280 ° C. in a conventional twin screw extruder to evaluate the applicability of other mechanical properties and the continuous process of blending. Extruded into pellets. The prepared pellets were dried for 3 hours at a temperature of 80 ° C., and then injected under conditions of a molding temperature of 300 ° C. in a 6Oz injection machine to prepare physical specimens. The mechanical properties were measured, and the results are shown in Table 2, respectively.

성 분ingredient 실시예 2Example 2 비교실시예 1Comparative Example 1 항복강도 (kgf/cm2)(1) Yield strength (kgf / cm 2 ) (1) 550550 434434 파단강도 (kgf/cm2)(1) Breaking Strength (kgf / cm 2 ) (1) 565565 384384 신 율 ()(2) Elongation ( 2) 44 44 굴곡강성 (kgf/cm2)(2) Flexural Rigidity (kgf / cm 2 ) (2) 970970 705705 굴곡강도 (kgf/cm2)(2) Flexural Strength (kgf / cm 2 ) (2) 36,67036,670 24,04024,040 Izod 충격강도 (kgf·cm/cm)(2) Izod impact strength (kgfcm / cm) (2) 2.02.0 45.445.4

주) (1) ASTM D638에 의거하여 측정하였다.Note) (1) Measured according to ASTM D638.

(2) ASTM D790에 의거하여 측정하였다.(2) It measured based on ASTMD790.

표 2의 결과에서 보듯이 난연 특성이 향상됨에 따라 기계적 강도는 증가하지만, 혼합되는 폴리페닐렌옥시드(PPO)에 의해 폴리스티렌의 결정성이 저해를 받고, 고무성분의 함량이 줄어듦에 따라 충격강도가 상당히 낮아짐을 알 수 있었다. 그러나 원하는 수지의 난연 특성을 얻을 수 있었으므로, 특별히 충격특성이 요구되지 않는 강직한(rigid) 고분자의 용도에 따라 사용이 가능하다.As shown in the results of Table 2, the mechanical strength increases as the flame retardant properties are improved, but the polystyreneene oxide (PPO) is impaired the crystallinity of polystyrene by the mixed polyphenylene oxide (PPO), the impact strength as the content of the rubber component is reduced Significantly lowered. However, since the flame retardant properties of the desired resin can be obtained, it can be used in accordance with the use of rigid polymers that do not particularly require impact properties.

본 발명은 수소첨가 스티렌/부타디엔/스티렌(SEBS)을 고무성분으로 하고 스티렌/부타디엔/스티렌 무수말레인산(SEBS-MA)을 상용화제로 적용하여 충격강도가 향상된 신디오탁틱 폴리스티렌 수지 조성물에 비-할로겐 형태의 인산에스테르계 난연제 및 폴리페닐렌옥시드(PPO)의 함량을 최적으로 적용함으로써 환경친화적이며 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물을 제공하는 효과를 갖는다.The present invention is hydrogenated styrene / butadiene / styrene (SEBS) as a rubber component and styrene / butadiene / styrene maleic anhydride (SEBS-MA) by applying a compatibilizer as a non-halogen form in syndiotactic polystyrene resin composition with improved impact strength By optimally applying the content of the phosphate ester flame retardant and polyphenylene oxide (PPO) has the effect of providing a syndiotactic polystyrene resin composition that is environmentally friendly and excellent in flame retardancy.

본 발명의 단순한 변형 내지 변경은 이 분야의 통상의 지식을 가진 자에 의하여 용이하게 실시될 수 있으며, 이러한 변형이나 변경은 모두 본 발명의 영역에 포함되는 것으로 볼 수 있다.Simple modifications or changes of the present invention can be easily carried out by those skilled in the art, and all such modifications or changes can be seen to be included in the scope of the present invention.

Claims (3)

(A) 신디오탁틱 폴리스티렌(sPS) 50∼94 중량부;(A) 50-94 parts by weight of syndiotactic polystyrene (sPS); (B) 수소첨가 스티렌/부타디엔/스티렌 블록 공중합체(SEBS) 1∼20 중량부;(B) 1 to 20 parts by weight of hydrogenated styrene / butadiene / styrene block copolymer (SEBS); (C) 수소첨가 스티렌/부타디엔/스티렌-무수말레인산(SEBS-MA) 1∼10 중량부;(C) 1 to 10 parts by weight of hydrogenated styrene / butadiene / styrene-maleic anhydride (SEBS-MA); (D) 폴리페닐렌옥시드(PPO) 1∼48 중량부; 및(D) 1 to 48 parts by weight of polyphenylene oxide (PPO); And (E) 인산에스테르계 난연제 3∼30 중량부;(E) 3 to 30 parts by weight of a phosphate ester flame retardant; 로 이루어지는 것을 특징으로 하는 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물.Syndiotactic polystyrene resin composition excellent in flame retardancy, characterized by consisting of. 제1항에 있어서, 유리섬유(GF)가 5∼40 중량부의 양으로 더 부가되는 것을 특징으로 하는 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물.The syndiotactic polystyrene resin composition having excellent flame retardancy according to claim 1, wherein the glass fiber (GF) is further added in an amount of 5 to 40 parts by weight. 제1항에 있어서, 난연조제, 적하방지제, 충격보강제, 가공조제, 열안정제, 산화방지제, 광안정제, 안료, 염료 및 황산염, 석면, 탈크, 실리카 및/또는 세라믹과 같은 무기 충진제를 더 포함하는 것을 특징으로 하는 난연성이 우수한 신디오탁틱 폴리스티렌 수지 조성물.The method of claim 1, further comprising an inorganic filler such as flame retardant, anti-dropping agent, impact modifier, processing aid, heat stabilizer, antioxidant, light stabilizer, pigment, dye and sulfate, asbestos, talc, silica and / or ceramic. Syndiotactic polystyrene resin composition excellent in flame retardancy, characterized by the above-mentioned.
KR1019990039859A 1999-09-16 1999-09-16 Flame Retardant Syndiotactic Polystyrene Resin Composition KR20010027881A (en)

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KR100557772B1 (en) * 1999-09-16 2006-03-06 삼성토탈 주식회사 Flame Retardant Syndiotactic Polystyrene Composition having Improved Impact Strength
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