KR100208577B1 - Modified abs resin composition for blow-mold - Google Patents
Modified abs resin composition for blow-mold Download PDFInfo
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- KR100208577B1 KR100208577B1 KR1019950047495A KR19950047495A KR100208577B1 KR 100208577 B1 KR100208577 B1 KR 100208577B1 KR 1019950047495 A KR1019950047495 A KR 1019950047495A KR 19950047495 A KR19950047495 A KR 19950047495A KR 100208577 B1 KR100208577 B1 KR 100208577B1
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08L25/14—Copolymers of styrene with unsaturated esters
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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Abstract
본 발명은 중공성형용 변성 ABS 수지조성물에 관한 것으로서, 더욱 상세하게는 방향족 모노알케닐 단량체와 무수 말레인산 단량체와 니트릴 부타디엔 고무를 중합시킨 공중합체, 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체의 공중합체, 폴리에틸렌과 폴리프로필렌 공중합체 및 산화방지제 등으로 이루어짐으로써, 내후성이 우수하고 경량인 중공성형용 변성 ABS 수지조성물에 관한 것이다.The present invention relates to a modified ABS resin composition for blow molding, and more particularly, to a copolymer of an aromatic monoalkenyl monomer, a maleic anhydride monomer and a nitrile butadiene rubber, an aromatic monoalkenyl monomer, a vinyl cyan monomer and an acrylic acid monomer. It consists of a copolymer, a polyethylene and a polypropylene copolymer, antioxidant, etc., and it is related with the modified ABS resin composition for blow molding which is excellent in weather resistance and lightweight.
Description
본 발명은 중공성형용 변성 ABS 수지조성물에 관한 것으로서, 더욱 상세하게는 방향족 모노알케닐 단량체와 무수 말레인산 단량체와 니트릴 부타디엔 고무를 중합시킨 공중합체, 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체의 공중합체, 폴리에틸렌과 폴리프로필렌 공중합체 및 산화방지제 등으로 이루어짐으로써, 내후성이 우수하고 경량인 중공성형용 변성 ABS 수지조성물에 관한 것이다.The present invention relates to a modified ABS resin composition for blow molding, and more particularly, to a copolymer of an aromatic monoalkenyl monomer, a maleic anhydride monomer and a nitrile butadiene rubber, an aromatic monoalkenyl monomer, a vinyl cyan monomer and an acrylic acid monomer. It consists of a copolymer, a polyethylene and a polypropylene copolymer, antioxidant, etc., and it is related with the modified ABS resin composition for blow molding which is excellent in weather resistance and lightweight.
일반적으로 사출성형품에 비하여 중공성형(Blow-mold)시 대형화, 정밀화된 성형품을 생산하기가 어렵지만 외관측면 때문에 적용분야가 확대되고 있다. 지금까지 개발된 중공성형용 수지로는 제너럴 일렉트릭사의 변성 폴리프로필렌 옥사이드가 있으나, 내후성이 취약하고 선팽창계수가 커서 마운팅부에 크랙 발생이 우려된다. 따라서, 이를 이용해서는 디자인의 자유도를 상실할 수 있게 되고 부품두께가 과도하게 증가된다.In general, compared to injection molded products, it is difficult to produce large-sized and precise molded products at blow-mold, but the field of application is expanding due to the appearance. Blow molding resins developed so far include General Electric's modified polypropylene oxide, but the weather resistance is poor and the coefficient of linear expansion is large, which may cause cracks in the mounting part. As a result, the degree of freedom in design can be lost and the part thickness is excessively increased.
또한, 스티렌계 수지조성물에 폴리테트라플루오로에틸렌을 첨가한 수지 등이 개시된 바 있지만 수지간의 상용성이 떨어져 기계적 물성이 저하되고 성형품 표면이 고르지 않다는 문제점이 있다.In addition, a resin in which polytetrafluoroethylene is added to a styrene resin composition has been disclosed, but there is a problem in that the compatibility between resins is poor, mechanical properties are lowered, and the surface of the molded article is uneven.
따라서, 본 발명은 내후성이 우수하고 향후 재생이 용이한 중공성형용 수지조성물을 제조하기 위하여 방향족 모노알케닐 단량체와 무수말레인산 단량체에 에틸렌-프로필렌 고무와 니트릴 부타디엔 고무를 중합시킨 공중합체, 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체의 공중합체, 폴리에틸렌과 폴리프로필렌 공중합체 및 산화방지제 등으로 이루어진 수지조성물을 개발함으로써 본 발명을 완성하였다.Therefore, the present invention is a copolymer of an aromatic monoalkenyl monomer and a maleic anhydride monomer polymerized with ethylene-propylene rubber and nitrile butadiene rubber in order to prepare a resin composition for blow molding having excellent weather resistance and easy regeneration. The present invention has been completed by developing a resin composition comprising a copolymer of a kenyl monomer, a vinyl cyan monomer and an acrylic acid monomer, a polyethylene and a polypropylene copolymer, and an antioxidant.
본 발명은 소재가 저렴하고 내후성이 우수하며 경량화가 가능한 변성 ABS 수지조성물을 제공하는데 그 목적이 있다.It is an object of the present invention to provide a modified ABS resin composition which is inexpensive, excellent in weatherability and lightweight.
이하, 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.
본 발명은 방향족 모노알케닐 단량체와 무수말레인산 단량체에 에틸렌-프로필렌 고무와 니트릴 부타디엔 고무를 중합시켜 제조된 평균 무게분자량이 190,000~210,000인 그라프트 공중합체(A) 30~80 중량%, 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체를 공중합시켜 제조된 평균 무게분자량이 200,000 이내인 공중합체(B) 25~60 중량%, 폴리에틸렌과 폴리프로필렌 공중합체 3~8 중량%, 금속산화물 및 첨가제 1~3 중량%로 이루어진 중공성형용 변성 ABS 수지조성물을 그 특징으로 한다.The present invention is 30 to 80% by weight of the graft copolymer (A) having an average weight molecular weight of 190,000 to 210,000 prepared by polymerizing an ethylene-propylene rubber and a nitrile butadiene rubber to an aromatic monoalkenyl monomer and a maleic anhydride monomer. 25 to 60 wt% of copolymer (B) having an average weight molecular weight of 200,000 or less prepared by copolymerizing a kenyl monomer, a vinyl cyan monomer and an acrylic acid monomer, 3 to 8 wt% of a polyethylene and polypropylene copolymer, a metal oxide and an additive 1 to It is characterized by a modified ABS resin composition for blow molding consisting of 3% by weight.
이와 같은 본 발명을 더욱 상세히 설명하면 다음과 같다.Referring to the present invention in more detail as follows.
본 발명은 내후성이 우수하며 경량화가 가능한 변성 ABS 수지조성물에 있어서, 본 발명에서 방향족 모노알케닐 단량체와 무수말레인산 단량체에 에틸렌-프로필렌 고무와 니트릴 부타디엔 고무를 중합시킨 그라프트 공중합체(A)는 전체 수지조성중 30~80 중량% 첨가하는데, 그 함량이 30 중량% 미만이면 충격성이 저하되고, 80 중량%를 초과하면 내열성이 저하되고 성형품 표면이 불량해 진다. 이때, 상기 그라프트 공중합체는 평균 무게분자량이 190,000~210,000인 것이 중공성형성 측면에서 바람직하다.In the present invention, in the modified ABS resin composition having excellent weather resistance and light weight, the graft copolymer (A) in which the ethylene-propylene rubber and the nitrile butadiene rubber are polymerized to the aromatic monoalkenyl monomer and the maleic anhydride monomer in the present invention are the whole. 30 to 80% by weight is added in the composition of the resin, but if the content is less than 30% by weight, the impact resistance is lowered. If the content exceeds 80% by weight, the heat resistance is lowered and the surface of the molded product is poor. At this time, the graft copolymer has an average weight molecular weight of 190,000 ~ 210,000 is preferable in terms of the hollowness forming.
그리고, 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체를 공중합시킨 공중합체(B)는 전체 수지조성중 25~60 중량% 사용하는데 그 사용량이 25 중량% 미만이면 성형성이 떨어지고, 60 중량%를 초과하면 성형품 외관이 불량해 진다. 이때, 상기 공중합체는 평균 무게분자량이 200,000 이내인 것이 중공성형성 측면에서 바람직하다.In addition, the copolymer (B) copolymerized with an aromatic monoalkenyl monomer, a vinyl cyan monomer and an acrylic acid monomer is used in an amount of 25 to 60% by weight in the total resin composition. If it exceeds, the appearance of the molded product will be poor. In this case, it is preferable that the copolymer has an average weight molecular weight of less than 200,000 in terms of hollowness formation.
본 발명에서 폴리에틸렌과 폴리프로필렌 공중합체 성분은 전체 조성중 3~8 중량% 첨가되며, 그 사용량이 3 중량% 미만이면 굴곡강도가 떨어지고, 8 중량%를 초과하면 도장성이 떨어진다.In the present invention, the polyethylene and polypropylene copolymer components are added in 3 to 8% by weight of the total composition, when the amount is less than 3% by weight, the bending strength is lowered, and when it exceeds 8% by weight, paintability is lowered.
그밖에 본 발명에서는 금속산화물 및 첨가제를 1~3 중량% 첨가한다.In addition, in the present invention, 1 to 3% by weight of the metal oxide and the additive are added.
[실시예 1~3 및 비교예 1~3][Examples 1-3 and Comparative Examples 1-3]
다음 표에 나타낸 바와 같은 조성 및 함량으로 수지를 제조하고, 이에 대하여 아이조드 충격강도, 내열성, 굴곡탄성율, 인장강도, 도장성, 성형성, 내후성 및 광택도를 측정하여 그 결과를 다음 표에 나타내었다.The resin was prepared with the composition and content as shown in the following table, and the izod impact strength, heat resistance, flexural modulus, tensile strength, paintability, moldability, weather resistance and glossiness were measured and the results are shown in the following table. .
여기서, 아이조드 충격강도는 ASTM D256, 내열성은 ASTM D648, 굴곡탄성율은 ASTM D790 방법으로, 인장강도는 ASTM D638 방법에 의하여 측정하였다. 그리고, 도장성은 1차 부착성시험과 내수성 후 2차 부착성시험을 실시하여 측정하는 바, 1차 부착성 시험은 날카로운 칼로 도막면에 바둑판 눈금(1 × 1㎜)으로 100개를 만들어 그 위에 비닐테이프로 완전하게 밀착시켜 붙인 다음, 떼어낸 후 박리 유무를 조사하였다.Here, Izod impact strength was measured by ASTM D256, heat resistance by ASTM D648, flexural modulus by ASTM D790, and tensile strength by ASTM D638. In addition, the coating property is measured by performing the first adhesion test and the second adhesion test after the water resistance. The first adhesion test is made of 100 pieces with a checkerboard scale (1 × 1 mm) on the coating surface with a sharp knife. The adhesive was completely adhered with vinyl tape, and then peeled off and examined for peeling.
그리고, 100개당 박리현상이 전혀 없는 것을 우수, 2.5개 이내인 것을 양호, 5개 이내인것을 보통, 5개 이상인 것을 불량으로 판단하였다. 또한, 내수성 후 2차 부착시험은 40 ± 2℃의 물속에 240 시간동안 완전 침지시킨 후 꺼내어 물기를 닦아내고 외관 표면을 관찰시 도막의 부풀음, 박리등이 없어야 하고, 상기의 1차 부착성 시험에서 이상이 없는지를 판단하였다.And it was judged that there was no peeling phenomenon per 100 pieces, that it was good that it was 2.5 or less, and that it was 5 or less, and that it was 5 or more. In addition, after the water resistance, the secondary adhesion test should be completely immersed in water of 40 ± 2 ℃ for 240 hours, then removed and wiped off, and there should be no swelling or peeling of the coating film when observing the exterior surface. It was judged that there was no abnormality.
내후성은 미국 아틀라스사 제품인 촉진내후성 시험기를 이용하여 카본, 아크 63 ± 3℃ 쳄버에서 48분 동안 폭로후, 12분간 물을 분산하는 사이클 조건에서 1200 시간 경과시킨 후 변색, 표면크랙등을 육안으로 관찰하였다.Weather resistance is visually observed after 1200 hours in a cycle condition of dispersing water for 12 minutes after exposure to carbon and arc 63 ± 3 ℃ chamber using accelerated weather resistance tester manufactured by Atlas Co., USA. It was.
(1) 방향족 모노알케닐 단량체와 비닐시안 단량체에 에틸렌-프로필렌 고무와 니트릴부타디엔 고무를 그라프트 중합한 것(1) Graft polymerization of ethylene-propylene rubber and nitrile butadiene rubber on aromatic monoalkenyl monomer and vinyl cyan monomer
(2) 방향족 모노알케닐 단량체, 비닐시안 단량체 및 아크릴산 단량체를 공중합시킨 것(2) Copolymers of aromatic monoalkenyl monomers, vinyl cyan monomers and acrylic acid monomers
(3) 폴리에틸렌과 폴리프로필렌 공중합체(3) polyethylene and polypropylene copolymer
상기 표의 결과로부터 본 발명의 수지조성물은 내후성이 향상되고 표면외관이 우수하여 해당분야에 유용하게 사용될 수 있음을 알 수 있다.From the results of the above table it can be seen that the resin composition of the present invention is improved in weather resistance and excellent surface appearance can be usefully used in the field.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019950047495A KR100208577B1 (en) | 1995-12-07 | 1995-12-07 | Modified abs resin composition for blow-mold |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019950047495A KR100208577B1 (en) | 1995-12-07 | 1995-12-07 | Modified abs resin composition for blow-mold |
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| KR970042796A KR970042796A (en) | 1997-07-26 |
| KR100208577B1 true KR100208577B1 (en) | 1999-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100660138B1 (en) * | 2005-07-06 | 2006-12-21 | 한양대학교 산학협력단 | Air sterilizer |
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1995
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100660138B1 (en) * | 2005-07-06 | 2006-12-21 | 한양대학교 산학협력단 | Air sterilizer |
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| KR970042796A (en) | 1997-07-26 |
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