KR20140092470A - Polycabonate resin composition and polycabonate resin molded articles comprising the same - Google Patents
Polycabonate resin composition and polycabonate resin molded articles comprising the same Download PDFInfo
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Abstract
Description
본 발명은 친환경 비할로겐성 난연 조명등 폴리카보네이트 수지 조성물 및 이를 포함하는 폴리카보네이트 수지 성형품에 관한 것이다.The present invention relates to a polycarbonate resin composition such as an environmentally friendly non-halogenated flame retardant lamp and a polycarbonate resin molded article containing the same.
폴리카보네이트 수지는 상업적으로 널리 사용되는 투명 플라스틱 중의 하나로, 사출성형이나 압출성형에 의해 유리 대체 플라스틱, 용기, 자동차 램프 커버 등의 용도로 많이 사용되고 있다. 이러한 광학적 용도 중, 실내?외 조명등, 자동차 내외장등, 건축실내등의 기본재료로 적용시 요구되는 물성은 높은 헤이즈와 전광선 투과율이다.BACKGROUND ART Polycarbonate resin is one of commercially widely used transparent plastics, and is widely used for injection-molding or extrusion-molding of glass replacement plastics, containers, automobile lamp covers, and the like. Among these optical uses, the physical properties required for application as a base material for indoor and outdoor lighting, automobile interior and exterior, and interior design are high haze and total light transmittance.
헤이즈가 낮을 경우 제품 내부의 구조물이 보이게 되며, 사용자로 하여금 눈부심을 유발 할 수 있기에 조명용 커버로 사용시에 중요한 물성이라 할 수 있겠다.If the haze is low, the structure inside the product will be visible and the user will be able to cause glare, which is an important property when used as an illumination cover.
또한 전광선 투과율이 낮은 광확산 수지 커버를 적용할 경우 조명의 효율이 낮아져 어두워지고 이를 해결하기 위하여 광원의 수를 늘리거나 고휘도의 광을 사용해야 하는 제한이 있기에 전광선 투과율은 중요한 물성이라 하겠다.In addition, when a light diffusing resin cover having a low total light transmittance is applied, the efficiency of the light is lowered, and the total light transmittance is an important property because there is a restriction to increase the number of light sources or to use high luminance light in order to solve this problem.
또한, 조명의 사용특성상 사용상의 결함으로 인한 발화 또는 인화에 대한 안정성을 확보하기 위하여 종래의 기술은 할로겐성(브롬화, 염소화) 난연제를 사용하여 난연성을 확보하였지만, 발화시 할로겐성 배출가스로 인하여 인체에 치명적인 유해성을 나타내는 문제점이 있다.Further, in order to ensure stability against ignition or flame due to defects in use due to the nature of the use of the illumination, the flame retardancy is secured by using a halogen-based (brominated or chlorinated) flame retardant in the prior art. However, There is a problem indicating a lethal hazard.
따라서, 폴리카보네이트 수지가 가지고 있는 본연의 높은 충격강도를 저하시키지 않으면서 높은 전광선 투과율과 높은 헤이즈 뿐만 아니라, 우수한 난연성 및 친환경적인 특성을 나타낼 수 있는 기술개발이 요구되고 있다.Therefore, there is a demand for development of a technique capable of exhibiting not only a high total light transmittance and a high haze but also excellent flame retardancy and environment-friendly characteristics without deteriorating the inherent high impact strength of the polycarbonate resin.
본 발명은 높은 전광선 투과율과 헤이즈 및 우수한 충격강도를 나타내면서도 우수한 난연성과 친환경적인 특성을 나타내는 광확산성 폴리카보네이트 수지 조성물을 제공하고자 한다.Disclosed is a light-diffusing polycarbonate resin composition exhibiting excellent flame retardance and environment-friendly properties while exhibiting a high total light transmittance, haze and excellent impact strength.
본 발명은 또한, 높은 전광선 투과율과 헤이즈 및 우수한 충격강도를 나타내면서도 우수한 난연성과 친환경적인 특성을 나타내는 광확산성 폴리카보네이트 수지 조성물을 포함하는 폴리카보네이트 수지 성형품을 제공하고자 한다.The present invention also provides a polycarbonate resin molded article comprising a light-diffusing polycarbonate resin composition exhibiting excellent flame retardance and environmentally friendly properties while exhibiting a high total light transmittance, haze and excellent impact strength.
이에 본 발명은 바람직한 제1 구현예로서, 폴리카보네이트 수지 100중량부; 상기 폴리카보네이트 수지 100중량부에 대하여 실리콘계 비드상 광확산제 0.01 내지 3중량부; 아크릴계 비드상 광확산제 0.05 내지 5중량부; 칼륨 퍼플루오로부탄 설포네이트 화합물 0.01 내지 1.0중량부; 및 비스페놀에이 비스(다이페닐포스페이트) 화합물 3 내지 20중량부를 포함하는 폴리카보네이트 수지 조성물을 제공한다Accordingly, the present invention provides, as a first preferred embodiment, 100 parts by weight of a polycarbonate resin; 0.01 to 3 parts by weight of a silicon-based bead light-diffusing agent relative to 100 parts by weight of the polycarbonate resin; 0.05 to 5 parts by weight of an acrylic bead-based light diffusing agent; 0.01 to 1.0 part by weight of a potassium perfluorobutane sulfonate compound; And 3 to 20 parts by weight of a bisphenol A bis (diphenyl phosphate) compound
상기 구현예에 의한 실리콘계 비드상 광확산제는 폴리메틸실세스퀴옥산 또는 실리콘 수지로 제조된 비드상 광확산제인 것일 수 있다.The light-diffusing agent on the silicon-based bead according to the embodiment may be a bead-shaped light-diffusing agent made of polymethylsilsesquioxane or silicone resin.
상기 구현예에 의한 아크릴계 비드상 광확산제는 폴리메틸메타크릴레이트 또는 메틸메타클릴레이트-스티렌 공중합물로 제조된 비드상 광확산제인 것일 수 있다.The acrylic bead-based light diffusing agent according to the embodiment may be a bead-shaped light diffuser made of polymethyl methacrylate or methyl methacrylate-styrene copolymer.
상기 구현예에 의한 실리콘계 비드상 광확산제는 평균 입경 0.1 ~ 10 μm 인 것일 수 있다.The silicon-based bead-based light diffusing agent according to the embodiment may have an average particle diameter of 0.1 to 10 μm.
상기 구현예에 의한 아크릴계 비드상 광확산제는 평균 입경 1 ~ 50 μm 인 것일 수 있다.The acrylic bead-based light diffusing agent according to the embodiment may have an average particle size of 1 to 50 μm.
상기 구현예에 의한 폴리카보네이트 수지 조성물은 형광증백제를 더 포함하는 것일 수 있다.The polycarbonate resin composition according to this embodiment may further comprise a fluorescent whitening agent.
상기 구현예에 의한 형광증백제는 벤조트리아졸-페닐코마린계(benzotriazole-phenylcoumarins), 비스-벤즈옥사졸계(bis-benzoxazoles), 트리아진-페닐코마린계(triazine-phenylcoumarins), 비스-(스티릴)비페닐계(bis-(styryl)biphenyls), 및 나프토트리아졸-페닐코마린계(naphtotriazole-phenylcoumarins) 화합물로 구성된 군에서 선택된 1종 이상인 것일 수 있다.The fluorescent whitening agent according to the embodiment may be selected from the group consisting of benzotriazole-phenylcoumarins, bis-benzoxazoles, triazine-phenylcoumarins, bis- (Styryl) biphenyls, and naphtotriazole-phenylcoumarins. In the present invention, it is also possible to use at least one compound selected from the group consisting of naphthalene, stearyl, biphenyls, and naphtotriazole-phenylcoumarins.
본 발명은 또한, 바람직한 제2 구현예로서, 상기 폴리카보네이트 수지 조성물을 포함하는 폴리카보네이트 수지 성형품을 제공한다.The present invention also provides, as a second preferred embodiment, a polycarbonate resin molded article comprising the polycarbonate resin composition.
본 발명에 따른 폴리카보네이트 수지 조성물은 광확산성 폴리카보네이트 수지 조성물로서, 우수한 충격 강도를 유지하면서 높은 헤이즈와 전광선 투과율을 가지므로, 사출성형 또는 압출성형에 의해 다양한 성형품으로 용이하게 성형될 수 있고, 이러한 성형품들은 점광원 발생이 최소화되고 충격 강도가 우수한 효과를 나타낼 수 있다. The polycarbonate resin composition according to the present invention is a light-diffusing polycarbonate resin composition having high haze and total light transmittance while maintaining excellent impact strength, and can be easily molded into various molded articles by injection molding or extrusion molding, These molded products can exhibit an effect of minimizing occurrence of a point light source and having an excellent impact strength.
또한, 비할로겐성 난연제의 사용으로 인하여 우수한 난연성과 연소시 할로겐성 배출 가스가 없는 친환경 비할로겐성 난연 조명등, 자동차 내외장등 및 건축내장등의 커버로 적용할 수 있다.In addition, the use of non-halogen flame retardant can be applied to an environmentally friendly non-halogen flame retardant lamp which has excellent flame retardancy and halogen emission gas during combustion, a cover for automobile interior and exterior, and interior decoration.
이하, 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.
본 발명은 폴리카보네이트 수지 100중량부; 상기 폴리카보네이트 수지 100중량부에 대하여 실리콘계 비드상 광확산제 0.01 내지 3중량부; 아크릴계 비드상 광확산제 0.05 내지 5중량부; 칼륨 퍼플루오로부탄 설포네이트 화합물 0.01 내지 1.0중량부; 및 비스페놀에이 비스(다이페닐포스페이트) 화합물 3 내지 20 중량부를 포함하는 폴리카보네이트 수지 조성물에 관한 것이다. 여기서, 상기 칼륨 퍼플루오로부탄 설포네이트 화합물은 하기 화학식 1로 표시될 수 있고, 상기 비스페놀에이 비스(다이페닐포스페이트) 화합물은 하기 화학식 2로 표시되는 것일 수 있다.
The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin; 0.01 to 3 parts by weight of a silicon-based bead light-diffusing agent relative to 100 parts by weight of the polycarbonate resin; 0.05 to 5 parts by weight of an acrylic bead-based light diffusing agent; 0.01 to 1.0 part by weight of a potassium perfluorobutane sulfonate compound; And 3 to 20 parts by weight of a bisphenol A bis (diphenyl phosphate) compound. Herein, the potassium perfluorobutanesulfonate compound may be represented by the following formula (1), and the bisphenol A bis (diphenyl phosphate) compound may be represented by the following formula (2).
화학식 1Formula 1
화학식 2(2)
즉, 본 발명은 폴리카보네이트 수지, 광확산제 및 비할로겐성 난연제를 포함하되, 특히, 광확산제로서 실리콘계 비드상 광확산제 및 아크릴계 비드상 광확산제를 포함하고, 비할로겐성 난연제로서 칼륨 퍼플루오로부탄 설포네이트 및 비스페놀에이 비스(다이페닐포스페이트)를 포함하는 난연성 폴리카보네이트 수지 조성물에 관한 것이다.
That is, the present invention relates to a flame retardant composition comprising a polycarbonate resin, a light diffusing agent and a non-halogen flame retardant, and more particularly to a flame retardant composition comprising a silicone- Perfluorobutane sulfonate, and bisphenol A bis (diphenyl phosphate). The present invention relates to a flame retardant polycarbonate resin composition comprising perfluorobutane sulfonate and bisphenol A bis (diphenyl phosphate).
본 발명에서 사용된 실리콘계 비드상 광확산제는 헤이즈 향상에 효과적이며 그 함량은 폴리카보네이트 수지 100중량부에 대하여 0.01 내지 3중량부, 바람직하게는 0.05 ~ 2 중량부일 수 있다. 상기 실리콘계 비드상 광확산제의 함량이 0.01 중량부 미만이면 헤이즈가 낮아 점광원이 발생될 수 있고, 3 중량부 초과이면 전광선 투과율이 낮아지는 문제점이 있다.The silicone-based bead-based light diffusing agent used in the present invention is effective in improving haze, and its content may be 0.01 to 3 parts by weight, preferably 0.05 to 2 parts by weight, based on 100 parts by weight of the polycarbonate resin. If the content of the light-diffusing agent on the silicon-based bead is less than 0.01 parts by weight, a haze may be low to generate a point light source, and if it exceeds 3 parts by weight, the total light transmittance may be lowered.
상기 실리콘계 비드상 광확산제는 폴리메틸실세스퀴옥산 또는 실리콘 수지로 제조된 비드상 광확산제일 수 있다.The silicon-based bead light-diffusing agent may be a bead-shaped light-diffusing agent made of polymethylsilsesquioxane or a silicone resin.
또한, 상기 실리콘계 비드상 광확산제는 그 평균 입경이 0.1 ~ 10㎛, 바람직하게는 1 ~ 5㎛일 수 있으며, 평균 입경이 0.1㎛ 미만이면 높은 헤이즈를 나타낼 수 없고, 10㎛ 초과이면 충격강도 등의 기계적 물성이 저하된다.
The silicon-based bead-based light-diffusing agent may have an average particle diameter of 0.1 to 10 탆, preferably 1 to 5 탆. When the average particle diameter is less than 0.1 탆, a high haze can not be exhibited. The mechanical properties such as mechanical strength and the like deteriorate.
본 발명에서 사용된 아크릴계 비드상 광확산제는 점광원 발생 방지에 효과적이며 그 함량은 폴리카보네이트 수지 100중량부에 대하여 0.05 ~ 5중량부, 바람직하게는 0.1 ~ 3 일 수 있다. 상기 아크릴계 비드상 광확산제의 함량이 0.05 중량부 미만이면 헤이즈가 낮아 점광원이 발생될 수 있고, 3 중량부 초과이면 전광선 투과율이 낮아지는 문제점이 있다.The acrylic bead-based light diffusing agent used in the present invention is effective for preventing the generation of a point light source, and its content may be 0.05 to 5 parts by weight, preferably 0.1 to 3 parts by weight based on 100 parts by weight of the polycarbonate resin. If the content of the acryl-based bead-based light diffusing agent is less than 0.05 part by weight, a haze may be low to generate a point light source, and if it exceeds 3 parts by weight, the total light transmittance may be low.
상기 아크릴계 비드상 광확산제는 폴리메틸메타크릴레이트 또는 메틸메타크릴레이트-스티렌 공중합물로 제조된 비드상 광확산제일 수 있다.The acryl-based bead light diffusing agent may be a bead-shaped light diffusing agent prepared from polymethyl methacrylate or methyl methacrylate-styrene copolymer.
또한, 상기 아크릴계 비드상 광확산제는 그 평균 입경이 1~50㎛, 바람직하게는 3~30㎛일 수 있으며, 평균 입경이 1㎛ 미만이면 낮은 내열성으로 인해 사출성형 또는 압출성형 시 분해되어 매트릭스 내에 발포가 생겨 외관상 품질이 저하되며, 50㎛ 초과이면 표면이 거칠어지고 압출 시 다이(Die)부에서의 스크래치로 인한 표면 불균일이 발생된다.
The acrylic bead-based light diffusing agent may have an average particle diameter of 1 to 50 탆, preferably 3 to 30 탆. When the average particle diameter is less than 1 탆, the acryl-based bead-based light diffusing agent is decomposed at the time of injection molding or extrusion molding, The surface is roughened, and surface unevenness occurs due to scratches in the die portion when extruded.
본 발명에서 비할로겐성 난연제로 사용된 칼륨 퍼플루오로부탄 설포네이트의 함량은 폴리카보네이트 수지 100 중량부에 대하여 0.01~1.0중량부, 바람직하게는 0.05~3중량부일 수 있으며, 칼륨 퍼플루오로부탄 설포네이트의 함량이 0.01 중량부 미만이면 난연 효과가 적으며, 1.0 중량부를 초과하면 전광선 투과율이 낮아지는 문제점이 있다.The content of potassium perfluorobutanesulfonate used as the non-halogen flame retardant in the present invention may be 0.01 to 1.0 part by weight, preferably 0.05 to 3 parts by weight based on 100 parts by weight of the polycarbonate resin, and potassium perfluorobutane When the content of the sulfonate is less than 0.01 part by weight, the flame retardant effect is small, and when it exceeds 1.0 part by weight, the total light transmittance is low.
또한, 비할로겐성 난연제로 사용된 칼륨 비스페놀에이 비스(다이페닐포스페이트) 화합물 3 내지 20의 함량은 폴리카보네이트 수지 100중량부에 대하여 3.0 ~ 20.0 중량부, 바람직하게는 4.0 ~ 15.0 중량부일 수 있으며, 칼륨 비스페놀에이 비스(다이페닐포스페이트) 화합물의 함량이 4.0 중량부 미만이면 난연 효과가 적고, 15.0 중량부를 초과하면 전광선 투과율이 낮아지는 문제점이 있다.The content of the potassium bisphenol A bis (diphenylphosphate) compound 3 to 20 used as the non-halogen flame retardant may be 3.0 to 20.0 parts by weight, preferably 4.0 to 15.0 parts by weight, based on 100 parts by weight of the polycarbonate resin, When the content of the potassium bisphenol A bis (diphenylphosphate) compound is less than 4.0 parts by weight, the flame retardant effect is small. When the content is more than 15.0 parts by weight, the total light transmittance is low.
칼륨 퍼플루오로부탄 설포네이트 및 칼륨 비스페놀에이 비스(다이페닐포스페이트) 화합물은 전술한 바와 같은 함량으로 동시에 사용될 수 있으며, 어느 하나만을 사용하면 동시에 사용할 때보다 난연성이 저하되는 문제점이 있다.
Potassium perfluorobutane sulfonate and potassium bisphenol A bis (diphenyl phosphate) compounds can be used simultaneously in the amounts as described above, and when either one is used, the flame retardancy is lowered compared to when used simultaneously.
한편, 본 발명의 폴리카보네이트 수지 조성물은 백색도 향상을 위해 형광증백제를 더 포함할 수 있다. On the other hand, the polycarbonate resin composition of the present invention may further include a fluorescent whitening agent for improving whiteness.
상기 형광증백제는 벤조트리아졸-페닐코마린계(benzotriazole-phenylcoumarins), 비스-벤즈옥사졸계(bis-benzoxazoles), 트리아진-페닐코마린계(triazine-phenylcoumarins), 비스-(스티릴)비페닐계(bis-(styryl)biphenyls), 및 나프토트리아졸-페닐코마린계(naphtotriazole-phenylcoumarins) 화합물로 구성된 군에서 선택된 1종 이상의 것으로서, 그 함량은 폴리카보네이트 수지 100 중량부에 대하여 0.005 ~ 2 중량부일 수 있으며, 0.005 중량부 미만이면 백색도를 향상시키는 효과를 기대하기 어려우며, 2 중량부 초과이면 전광선 투과율이 저하되는 문제점이 있다.
The fluorescent whitening agent may be selected from the group consisting of benzotriazole-phenylcoumarins, bis-benzoxazoles, triazine-phenylcoumarins, bis (styryl) (Styryl) biphenyls, naphthotriazole-phenylcoumarins, and the like. The content of the at least one compound is 0.005 to 0.005 parts by weight based on 100 parts by weight of the polycarbonate resin, If the amount is less than 0.005 parts by weight, the effect of improving whiteness is not expected. If the amount is more than 2 parts by weight, the total light transmittance is deteriorated.
본 발명은 또한, 전술한 바와 같은 폴리카보네이트 수지 조성물을 포함하는 폴리카보네이트 수지 성형품에 관한 것이다.The present invention also relates to a polycarbonate resin molded article comprising the polycarbonate resin composition as described above.
상기 폴리카보네이트 수지 성형품은 높은 점광선이 보이지 않아 눈부심이 방지되므로 감성 품질이 우수하면서도 광효율이 우수한 특성을 나타낸다.Since the polycarbonate resin molded article does not show a high point light ray and is prevented from glare, the polycarbonate resin molded article exhibits excellent emotional quality and excellent light efficiency.
또한, 비할로겐성 난연제의 사용으로 인하여 우수한 난연성과 함께 연소시 할로겐성 배출 가스가 없는 친환경 비할로겐성 난연 조명등, 자동차 내외장등 및 건축실내등에 적용함에 있어 용이하게 커버를 제조할 수 있다.
In addition, the use of the non-halogen flame retardant makes it possible to easily manufacture the cover when it is applied to an environment-friendly non-halogenated flame retardant lamp, automobile interior and exterior, and interior of the building, which has excellent flame retardancy and no halogen-
이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시하나, 하기 실시예는 본 발명을 예시하는 것일 뿐 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다.
Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the scope of the present invention is not limited to the following examples.
실시예Example 1~3 및 1 to 3 and 비교예Comparative Example 1~4 1-4
하기 표 1에 나타낸 바와 같은 조성으로, 평균 입경 2μm인 폴리메틸실세스퀴옥산 (Polymethylsilsesquioxane) 비드상 광확산제(㈜코오롱, 상품명: Diasphere KS-200C), 평균 입경 5μm인 폴리메틸메타크릴레이트(PMMA) 비드상 광확산제((주)코오롱, 상품명: Diasphere MH-5FHD), 칼륨 퍼플루오로부탄 설포네이트(Fluorine, 상품명: KFBS), 비스페놀에이 비스(다이페닐포스페이트) (ADEKA, 상품명: FP-600) 및 형광증백제(Clariant, Hostalux KSp)를 각각 정량공급 장치를 이용하여 진공 벤트가 부착된 이 축압출기의 호퍼에 투입하여 용융혼련을 통해 균일하게 분산시켰다. 혼련된 용융물은 수조를 통과하면서 냉각되고, 절단되어 펠렛 형태의 폴리카보네이트 수지 조성물을 제조하였다. (Polymethylsilsesquioxane) bead-based light diffusing agent (trade name: Diasphere KS-200C) having an average particle diameter of 2 μm and polymethyl methacrylate having an average particle diameter of 5 μm (Trade name: ADEKA, product name: KFBS), potassium perfluorobutane sulfonate (Fluorine, product name: KFBS), and bisphenol A bis (diphenylphosphate) -600) and fluorescent whitening agent (Clariant, Hostalux KSp) were put into a hopper of a twin-screw extruder equipped with a vacuum vent using a quantitative feeder, and uniformly dispersed by melt kneading. The kneaded melt was cooled while passing through a water bath and cut to prepare a polycarbonate resin composition in the form of a pellet.
증백제Neon
Brighteners
실시예 및 비교예에서 제조된 펠렛을 제습건조기에서 120℃, 4시간 이상 건조시킨 후, 일축 사출기를 사용하여 50.0mm x 50.0mm x 1.0mm 의 시험편을 제조한 후, 아래와 같은 방법으로 전광선 투과율, 헤이즈, 충격강도 및 난연성을 측정하여, 그 결과를 표 2에 나타내었다.
The pellets prepared in Examples and Comparative Examples were dried in a dehumidifying dryer at 120 ° C. for 4 hours or more, and then a test piece of 50.0 mm × 50.0 mm × 1.0 mm was produced by using a single screw extruder, and then the total light transmittance, Haze, impact strength and flame retardancy were measured, and the results are shown in Table 2.
전광선 투과율Total light transmittance
ISO 13468 방법으로 전광선 투과율을 측정하였다.The total light transmittance was measured by the ISO 13468 method.
헤이즈Hayes
ISO 14782 방법으로 헤이즈를 측정하였다. The haze was measured by the ISO 14782 method.
충격강도Impact strength
ASTM D 256의 방법으로 충격강도를 측정하였다.The impact strength was measured by the method of ASTM D 256.
난연성Flammability
UL 94 기준으로 1.5mm 시편의 난연성을 측정하였다.The flame retardancy of 1.5 mm specimens was measured by UL 94 standards.
(1.5 mm)Flammability
(1.5 mm)
물성측정결과, 표 2에 나타낸 바와 같이, 본 발명에 따른 실시예 1~3의 난연성 폴리카보네이트 수지 조성물은 폴리카보네이트 수지를 기본 수지로 하여 폴리메킬실세스퀴옥산 비드상 광확산제, 폴리메틸메타크릴레이트 비드상 광확산제, 칼륨 퍼플루오로부탄 설포네이트 화합물, 비스페놀에이 비스(다이페닐포스페이트) 화합물 및 형광증백제를 각각 최적의 범위로 포함함으로써, 우수한 헤이즈, 전광선 투과율 및 충격강도를 발현하는 동시에 우수한 난연성을 달성하였음을 확인하였다. As a result of measurement of the physical properties, as shown in Table 2, the flame-retardant polycarbonate resin compositions of Examples 1 to 3 according to the present invention were produced by using a polycarbonate resin as a base resin and a polymethylsilsquioxane bead- By incorporating the cyanate bead phase light diffusing agent, potassium perfluorobutane sulfonate compound, bisphenol A bis (diphenylphosphate) compound and fluorescent whitening agent in an optimal range, it is possible to obtain a composition which exhibits excellent haze, total light transmittance and impact strength At the same time, it was confirmed that excellent flame retardancy was achieved.
특히 실시예 1~3의 경우 우수한 전광선 투과율과 99% 이상의 우수한 헤이즈를 가지며 동시에 우수한 충격강도를 나타냄을 확인 할 수 있었고, 1.5mm에서 V0 난연성을 확보하였음을 확인할 수 있었다.
In particular, Examples 1 to 3 showed excellent light transmittance, excellent haze of 99% or more, excellent impact strength, and V0 flame retardancy at 1.5 mm.
반면에, 비교예 1~3의 경우에는 높은 전광선 투과율과 흐림도, 충격강도 및 점광원 억제의 효과를 발휘하지만 V0 난연성을 확보하지 못하였고, 특히 비교예 2 및 비교예 3는 VO 난연성을 나타낼 때도 있으나 난연성이 다소 저하되어 V2 난연성을 나타낼 때도 있어 안정적으로 우수한 난연성을 확보하지 못하는 문제점이 있었다. 또한, 비교예 4의 경우 전광선 투과율이 현저히 줄어들어 조명용 커버로써 용이하게 사용할 수 없을 확인 할 수 있다.On the other hand, in the case of Comparative Examples 1 to 3, V0 flame retardancy was not ensured although high total light transmittance, fogging, impact strength and point light source suppressing effect were obtained. In particular, Comparative Example 2 and Comparative Example 3 exhibited VO flame retardancy However, since the flame retardancy is lowered to some extent, the flame retardancy is sometimes V2, which means that the flame retardancy can not be stably secured. Further, in the case of Comparative Example 4, the total light transmittance is remarkably reduced and it can be confirmed that the cover can not be easily used as an illumination cover.
Claims (8)
상기 폴리카보네이트 수지 100중량부에 대하여 실리콘계 비드상 광확산제 0.01 내지 3중량부;
아크릴계 비드상 광확산제 0.05 내지 5중량부;
칼륨 퍼플루오로부탄 설포네이트 화합물 0.01 내지 1.0중량부; 및
비스페놀에이 비스(다이페닐포스페이트) 화합물 4.0 내지 15중량부를 포함하는 폴리카보네이트 수지 조성물.100 parts by weight of a polycarbonate resin;
0.01 to 3 parts by weight of a silicon-based bead light-diffusing agent relative to 100 parts by weight of the polycarbonate resin;
0.05 to 5 parts by weight of an acrylic bead-based light diffusing agent;
0.01 to 1.0 part by weight of a potassium perfluorobutane sulfonate compound; And
And 4.0 to 15 parts by weight of a bisphenol A bis (diphenyl phosphate) compound.
상기 실리콘계 비드상 광확산제는 폴리메틸실세스퀴옥산 또는 실리콘 수지로 제조된 비드상 광확산제인 것을 특징으로 하는 폴리카보네이트 수지 조성물.The method according to claim 1,
Wherein the silicone-based bead-based light diffusing agent is a bead-shaped light diffusing agent made of polymethylsilsesquioxane or a silicone resin.
상기 아크릴계 비드상 광확산제는 폴리메틸메타크릴레이트 또는 메틸메타클릴레이트-스티렌 공중합물로 제조된 비드상 광확산제인 것을 특징으로 하는 폴리카보네이트 수지 조성물.The method according to claim 1,
Wherein the acryl-based bead light diffusing agent is a bead-shaped light diffusing agent made of polymethyl methacrylate or methyl methacrylate-styrene copolymer.
상기 실리콘계 비드상 광확산제는 평균 입경 0.1 ~ 10 μm 인 것임을 특징으로 하는 폴리카보네이트 수지 조성물. The method according to claim 1,
Wherein the silicon-based bead-based light diffusing agent has an average particle diameter of 0.1 to 10 m.
상기 아크릴계 비드상 광확산제는 평균 입경 1 ~ 50 μm 인 것임을 특징으로 하는 폴리카보네이트 수지 조성물.The method according to claim 1,
Wherein the acrylic bead-based light diffusing agent has an average particle diameter of 1 to 50 m.
형광증백제를 더 포함하는 것을 특징으로 하는 폴리카보네이트 수지 조성물.The method according to claim 1,
The polycarbonate resin composition according to claim 1, further comprising a fluorescent whitening agent.
상기 형광증백제는 벤조트리아졸-페닐코마린계(benzotriazole-phenylcoumarins), 비스-벤즈옥사졸계(bis-benzoxazoles), 트리아진-페닐코마린계(triazine-phenylcoumarins), 비스-(스티릴)비페닐계(bis-(styryl)biphenyls), 및 나프토트리아졸-페닐코마린계(naphtotriazole-phenylcoumarins) 화합물로 구성된 군에서 선택된 1종 이상의 것임을 특징으로 하는 폴리카보네이트 수지 조성물. The method according to claim 6,
The fluorescent whitening agent may be selected from the group consisting of benzotriazole-phenylcoumarins, bis-benzoxazoles, triazine-phenylcoumarins, bis (styryl) Wherein the polycarbonate resin composition is at least one selected from the group consisting of bis- (styryl) biphenyls, naphthotriazole-phenylcoumarins, and the like.
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