KR101101803B1 - Polymer complex having color evolution and method for manufacturing thereof - Google Patents

Polymer complex having color evolution and method for manufacturing thereof Download PDF

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KR101101803B1
KR101101803B1 KR1020090023327A KR20090023327A KR101101803B1 KR 101101803 B1 KR101101803 B1 KR 101101803B1 KR 1020090023327 A KR1020090023327 A KR 1020090023327A KR 20090023327 A KR20090023327 A KR 20090023327A KR 101101803 B1 KR101101803 B1 KR 101101803B1
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polypropylene resin
nucleus
polymer composite
ceramic
coating
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KR20100104717A (en
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이동진
임형미
김대성
성기호
한재성
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한국세라믹기술원
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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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08K2003/2265—Oxides; Hydroxides of metals of iron
    • 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
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc

Abstract

개시된 폴리머 복합체는 폴리프로필렌 수지 및 상기 폴리프로필렌 수지와 혼합된 세라믹 나노 복합입자를 포함하되, 상기 세라믹 나노 복합입자는 핵 및 상기 핵 표면에 코팅되며, 상기 핵보다 굴절률이 큰 피복으로 이루어질 수 있다. 이에 의하면, 내열성 재료인 세라믹 나노 복합입자가 폴리프로필렌 수지에 혼합되므로 전체적으로 내열성이 향상되게 된다. 또한, 상기 세라믹 나노 복합입자는 굴절률이 다른 다수의 층으로 형성되므로 다층 계면에서의 반사가 증가하여 빛의 간섭색을 향상시키게 됨으로써 우수한 발색 효과를 나타내게 된다.The disclosed polymer composite includes a polypropylene resin and ceramic nano composite particles mixed with the polypropylene resin, wherein the ceramic nano composite particles are coated on the nucleus and the surface of the nucleus, and may have a coating having a refractive index greater than that of the nucleus. According to this, since the ceramic nano composite particle which is a heat resistant material is mixed with a polypropylene resin, heat resistance improves as a whole. In addition, since the ceramic nanocomposite particles are formed of a plurality of layers having different refractive indices, the reflection at the multi-layer interface is increased to improve the interference color of the light, thereby exhibiting excellent color development effects.

Description

발색 효과를 가진 폴리머 복합체 및 그 제조방법{POLYMER COMPLEX HAVING COLOR EVOLUTION AND METHOD FOR MANUFACTURING THEREOF}POLYMER COMPLEX HAVING COLOR EVOLUTION AND METHOD FOR MANUFACTURING THEREOF}

본 발명은 발색 효과를 가진 폴리머 복합체 및 그 제조방법에 관한 것으로서, 특히 염료나 안료에 의한 염색 없이도 색상 발현 효과를 나타낼 수 있고, 보는 방향에 따라 빛의 간섭도가 변해 색상이 변화되는 폴리프로필렌이 포함된 폴리머 복합체 및 그 제조방법에 관한 것이다.The present invention relates to a polymer composite having a color development effect and a method for manufacturing the same, and in particular, it can exhibit a color expression effect without dyeing with a dye or a pigment, and polypropylene having a color change due to a change in light interference depending on a viewing direction. It relates to an included polymer composite and a method for producing the same.

일반적으로 폴리머 복합체는 우수한 물리적, 화학적 특성 뿐만 아니라 뛰어난 기계적 , 전기적 성질로 인하여 자동차, 전자기기, 사무기기, 섬유 제품 등 다양한 산업 분야에 채용되고 있다.In general, polymer composites are employed in various industries such as automobiles, electronic devices, office equipment, and textile products because of their excellent mechanical and electrical properties as well as excellent physical and chemical properties.

특히 폴리머 복합체 중 발색 효과를 가진 것은 빛의 간섭도에 따라 색상이 변화되어 심미감을 불러 일으킬 수 있으므로 섬유 제품용으로의 사용이 대두되었다.Particularly, the polymer composite has a color development effect, which can cause aesthetics by changing color depending on the interference of light, so that it has been used for textile products.

종래 섬유 제품으로 제시된 폴리머 복합체는 폴리에스테르 수지 사이에 나일 론 수지가 개재된 구조를 가진다.Polymer composites, which are conventionally presented as textile products, have a structure in which nylon resin is interposed between polyester resins.

그러나, 상기와 같은 구조의 발색 효과를 가진 폴리머 복합체는 폴리에스테르와 나일론이 여러 층으로 이루어져야 하기 때문에 제조 상의 어려움이 있고, 폴리에스테르 수지와 나일론 수지 사이의 굴절률 차이가 작아 발색 효과가 떨어지는 문제점이 있다.However, the polymer composite having the color development effect of the above structure has difficulty in manufacturing because polyester and nylon must be composed of several layers, and there is a problem in that the color difference is low due to a small difference in refractive index between the polyester resin and the nylon resin. .

본 발명은 상기의 문제점을 해결하기 위한 것으로서, 폴리프로필렌과 복합입자를 혼합하여 제조함으로써 제조공정을 간소화하고, 발색 효과가 뛰어난 폴리머 복합체 및 그 제조방법을 제공하는 것을 그 목적으로 한다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and aims to provide a polymer composite and a method for producing the same, which simplifies the manufacturing process by producing a mixture of polypropylene and composite particles, and has excellent coloring effects.

본 발명에 따른 폴리머 복합체는 폴리프로필렌 수지; 및 상기 폴리프로필렌 수지와 혼합된 세라믹 나노 복합입자를 포함하되, 상기 세라믹 나노 복합입자는 핵 및 상기 핵 표면에 코팅되며, 상기 핵보다 굴절률이 큰 피복으로 이루어질 수 있다.Polymer composite according to the present invention is a polypropylene resin; And ceramic nanocomposite particles mixed with the polypropylene resin, wherein the ceramic nanocomposite particles are coated on the nucleus and the surface of the nucleus, and may have a coating having a refractive index greater than that of the nucleus.

상기 폴리프로필렌 수지는 90~99 중량%가 함유되고, 상기 세라믹 나노 복합입자는 1~10 중량%가 함유될 수 있다.The polypropylene resin may contain 90 to 99% by weight, and the ceramic nanocomposite particles may contain 1 to 10% by weight.

상기 핵은 마이카와, 탈크 및 이산화규소 중 어느 하나일 수 있다.The nucleus may be any one of mica, talc and silicon dioxide.

상기 피복은 이산화티탄과, 산화아연 및 산화철 중 적어도 하나 이상이 상기 핵 표면에 코팅될 수 있다.The coating may be coated on the surface of the nucleus with titanium dioxide, at least one of zinc oxide and iron oxide.

상기 핵은 1.4~1.6 이내의 굴절률을 가지고, 상기 피복은 2.0~2.9 이내의 굴절률을 가질 수 있다.The nucleus may have a refractive index within 1.4-1.6, and the coating may have a refractive index within 2.0-2.9.

상기 폴리프로필렌 수지는 89~98.9 중량%가 함유되고, 상기 세라믹 나노 복합입자는 1~10 중량%가 함유되며, 0.1~1.0 중량%의 첨가물이 더 함유될 수 있다.The polypropylene resin may contain 89 to 99.8 wt%, the ceramic nanocomposite particles may contain 1 to 10 wt%, and 0.1 to 1.0 wt% of additives may be further contained.

상기 첨가제는 산화 방지제와, 슬립제와, 안정제 중 적어도 하나 이상의 성분일 수 있다.The additive may be at least one component of an antioxidant, a slip agent, and a stabilizer.

본 발명에 따른 폴리머 복합체의 제조방법은 세라믹 나노 복합입자를 형성하는 단계; 폴리프로필렌 수지를 용융화하는 단계; 및 상기 용융된 폴리프로필렌 수지에 상기 세라믹 나노 복합입자를 용융 혼합하는 단계를 포함할 수 있다.Method for producing a polymer composite according to the present invention comprises the steps of forming a ceramic nano composite particles; Melting the polypropylene resin; And melting and mixing the ceramic nanocomposite particles in the molten polypropylene resin.

상기 세라믹 나노 복합입자 형성단계는: 핵으로써 마이카와, 탈크 및 이산화규소 중 선택된 어느 하나와 피복으로써 이산화티탄과, 산화아연 및 산화철 중 선택된 적어도 어느 하나를 혼합하는 단계; 상기 혼합물을 에이징하는 단계; 및 상기 에이징된 혼합물을 수열합성하여 상기 핵 표면에 상기 피복이 코팅되게 하는 단계를 포함할 수 있다.The ceramic nanocomposite forming step may include: mixing mica as a nucleus, any one selected from talc and silicon dioxide, and titanium dioxide as a coating and at least one selected from zinc oxide and iron oxide; Aging the mixture; And hydrothermally synthesizing the aged mixture such that the coating is coated on the surface of the nucleus.

상기 에이징은 90~100℃에서 2시간 동안 이루어지고, 상기 수열합성은 150~200℃에서 이루어질 수 있다.The aging is performed for 2 hours at 90 ~ 100 ℃, the hydrothermal synthesis may be made at 150 ~ 200 ℃.

본 발명에 따른 폴리머 복합체 및 그 제조방법에 의하면, 내열성 재료인 세라믹 나노 복합입자가 폴리프로필렌 수지에 혼합되므로 전체적으로 내열성이 향상되게 된다. According to the polymer composite according to the present invention and a method for producing the same, since the ceramic nanocomposite particles, which are heat resistant materials, are mixed with the polypropylene resin, the overall heat resistance is improved.

또한, 상기 세라믹 나노 복합입자는 굴절률이 다른 다수의 층으로 형성되므로 다층 계면에서의 반사가 증가하여 빛의 간섭색을 향상시키게 됨으로써 우수한 발색 효과를 나타내게 된다.In addition, since the ceramic nanocomposite particles are formed of a plurality of layers having different refractive indices, the reflection at the multi-layer interface is increased to improve the interference color of the light, thereby exhibiting excellent color development effects.

이하 첨부된 도면을 참조하면서 본 발명의 일 실시예에 따른 폴리머 복합체 및 그 제조방법에 대하여 상세히 설명하기로 한다.Hereinafter, a polymer composite and a method of manufacturing the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 폴리머 복합체 중 세라믹 나노 복합입자를 개략적으로 나타낸 단면도이고, 도 2는 도 1의 세라믹 나노 복합입자를 투과전자현미경(TEM)으로 찍은 사진이다.1 is a cross-sectional view schematically showing the ceramic nano composite particles of the polymer composite according to an embodiment of the present invention, Figure 2 is a photograph taken with a transmission electron microscope (TEM) of the ceramic nano composite particles of FIG.

도 1 및 도 2를 참조하면, 본 발명의 폴리머 복합체(미도시)는 폴리프로필렌 수지(미도시) 및 상기 폴리프로필렌 수지에 혼합되며, 발색 효과를 가지는 세라믹 나노 복합입자(10)를 포함한다.1 and 2, the polymer composite (not shown) of the present invention is mixed with a polypropylene resin (not shown) and the polypropylene resin, and includes ceramic nano composite particles 10 having a coloring effect.

상기 폴리머 복합체는 90~99 중량%의 폴리프로필렌 수지 및 1~10 중량%의 세라믹 나노 복합입자(10)로 이루어지거나, 89~98.9 중량%의 폴리프로필렌 수지와, 1~10 중량%의 세라믹 나노 복합입자(10) 및 0.1~1.0 중량%의 첨가물(미도시)로 이루어질 수 있다.The polymer composite consists of 90 to 99% by weight of polypropylene resin and 1 to 10% by weight of ceramic nano composite particles 10, or 89 to 99.8% by weight of polypropylene resin and 1 to 10% by weight of ceramic nano The composite particles 10 and 0.1 to 1.0% by weight of additives (not shown) may be formed.

상기 첨가물은 1,2차 산화방지제, 슬립제, 열이나 광 안정제 등일 수 있으며, 선택적으로 본 발명의 목적을 저해하지 않는 범위 내에서 유기 또는 무기 안료를 포함할 수 있다.The additive may be a primary or secondary antioxidant, a slip agent, a heat or light stabilizer, and the like, and may optionally include an organic or inorganic pigment within a range that does not impair the object of the present invention.

상기 폴리프로필렌 수지의 함량이 89 중량% 미만으로 함유되면, 세라믹 나노 복합입자(10)의 함량이 증가하게 되어 제품의 성형이 곤란하게 되고, 기계적 성능이 저하될 수 있다.When the content of the polypropylene resin is less than 89% by weight, the content of the ceramic nanocomposite particles 10 is increased, so that molding of the product becomes difficult and mechanical performance may be reduced.

상기 폴리프로필렌 수지의 함량이 99 중량%를 초과하여 함유되면, 상기 세라믹 나노 복합입자(10)의 함량이 부족하게 되어 발색성을 저하시키게 된다.When the content of the polypropylene resin is more than 99% by weight, the content of the ceramic nanocomposite particles 10 is insufficient to reduce the color development.

상기 세라믹 나노 복합입자(10)는 핵(11) 및 상기 핵(11) 표면에 코팅된 피복(12)을 포함한다.The ceramic nanocomposite particle 10 includes a nucleus 11 and a coating 12 coated on the nucleus 11 surface.

상기 피복(12)은 상기 핵(11)보다 굴절률이 더 크며, 상기 핵(11)의 굴절률은 1.4~1.6 이내일 수 있고, 상기 피복(12)의 굴절률은 2.0~2.9 이내일 수 있다.The coating 12 may have a larger refractive index than the core 11, the refractive index of the core 11 may be within 1.4 to 1.6, and the refractive index of the coating 12 may be within 2.0 to 2.9.

상기 핵(11)은 마이카와, 탈크와, 이산화규소 및 SiO2/Al(P) 중 선택된 어느 하나일 수 있다.The nucleus 11 may be any one selected from mica, talc, silicon dioxide, and SiO 2 / Al (P).

상기 피복(12)은 이산화티탄과, 산화아연 및 산화철 중 선택된 적어도 하나 이상일 수 있다.The coating 12 may be at least one selected from titanium dioxide, zinc oxide and iron oxide.

즉, 상기 마이카와, 탈크와, 이산화규소 및 SiO2/Al(P) 중 선택된 어느 하나의 핵(11) 표면에는 상기 이산화티탄과, 산화아연 및 산화철 중 어느 하나 또는 복수개의 성분이 피복(12)으로써 코팅될 수 있다.That is, the surface of any one selected from the mica, talc, silicon dioxide, and SiO 2 / Al (P) is coated with one or a plurality of components of the titanium dioxide, zinc oxide, and iron oxide (12). Can be coated.

도 3은 본 발명의 폴리머 복합체와 세라믹 나노 복합입자가 함유되지 않은 폴리프로필렌 수지의 색차계를 측정한 그래프이고, 도 4는 본 발명의 폴리머 복합체와 세라믹 나노 복합입자가 함유되지 않은 폴리프로필렌 수지의 편광 현미경 사진이다.3 is a graph measuring a color difference meter of a polypropylene resin not containing the polymer composite and the ceramic nano composite particles of the present invention, and FIG. 4 is a graph of the polypropylene resin not containing the polymer composite and the ceramic nano composite particles of the present invention. Polarization micrograph.

도 3을 참조하면, X는 폴리프로필렌 수지를, Y는 폴리프로필렌 수지에 1 중량%의 세라믹 나노 복합입자(TiO2/SiO2)가 함유된 폴리머 복합체를, Z는 폴리프로필 렌 수지에 3 중량%의 세라믹 나노 복합입자(TiO2/SiO2)가 함유된 폴리머 복합체를 나타낸다.Referring to Figure 3, X is a polypropylene resin, Y is a polymer composite containing 1% by weight of ceramic nano-composite particles (TiO 2 / SiO 2 ) in the polypropylene resin, Z is 3 weight in the polypropylene resin A polymer composite containing% ceramic nano composite particles (TiO 2 / SiO 2 ) is shown.

a는 채도, b는 레드-그린 발색, c는 옐로우-블루 발색을 나타낸다.a represents saturation, b represents red-green color development, and c represents yellow-blue color development.

도시된 바와 같이, 세라믹 나노 복합입자가 함유되지 않은 폴리프로필렌 수지의 채도, 레드 발색성, 옐로우 발색성을 기준으로 채도와 레드 발색성 및 옐로우 발색성은 세라믹 나노 복합입자의 함량이 증가할 수록 높아진다.As shown, based on the saturation, red color development, yellow color development of the polypropylene resin containing no ceramic nano composite particles, the saturation and red color development and yellow color development become higher as the content of the ceramic nano composite particles increases.

즉, 폴리프로필렌 수지에 세라믹 나노 복합입자가 첨가되면 그렇지 않은 것보다 발색 효과가 향상된다.In other words, when the ceramic nano-composite particles are added to the polypropylene resin, the color development effect is improved rather than the other.

도 4를 참조하면, 폴리프로필렌 수지의 편광 현미경 사진(P)에서는 단일 색상으로 나타나지만, 세라믹 나노 복합입자(Fe2O3/SnO2/[SiO2/Al(P)])가 함유된 경우(R) 다양한 색상이 나타나게 된다.Referring to FIG. 4, in the polarization micrograph P of the polypropylene resin, it appears as a single color, but the ceramic nano composite particles (Fe 2 O 3 / SnO 2 / [SiO 2 / Al (P)]) are contained ( R) Various colors will appear.

상기와 같은 구조의 폴리머 복합체에 의하면, 내열성 재료인 세라믹 나노 복합입자가 폴리프로필렌 수지에 혼합되므로 전체적으로 내열성이 향상되게 된다.According to the polymer composite having the above structure, since the ceramic nanocomposite particles, which are heat resistant materials, are mixed with the polypropylene resin, the overall heat resistance is improved.

또한, 상기 세라믹 나노 복합입자는 굴절률이 다른 다수의 층으로 형성되므로 다층 계면에서의 반사가 증가하여 빛의 간섭색을 향상시키게 됨으로써 우수한 발색 효과를 나타내게 된다.In addition, since the ceramic nanocomposite particles are formed of a plurality of layers having different refractive indices, the reflection at the multi-layer interface is increased to improve the interference color of the light, thereby exhibiting excellent color development effects.

도 5는 본 발명의 일 실시예에 따른 폴리머 복합체 제조방법을 순차적으로 나타낸 순서도이다.5 is a flowchart sequentially showing a method of manufacturing a polymer composite according to an embodiment of the present invention.

도 5를 참조하면, 본 발명의 폴리머 복합체 제조방법은 세라믹 나노 복합입 자를 형성하는 단계(S1)와, 폴리프로필렌 수지를 용융화하는 단계(S2) 및 용융된 폴리프로필렌 수지에 상기 세라믹 나노 복합입자를 용융 혼합하는 단계(S3)를 포함한다.Referring to Figure 5, the polymer composite manufacturing method of the present invention comprises the steps of forming a ceramic nanoparticles (S1), the step of melting the polypropylene resin (S2) and the molten polypropylene resin in the ceramic nanocomposite particles Melting and mixing step (S3).

상기 세라믹 나노 복합입자를 형성하는 단계(S1)는 마이카와, 탈크와, 이산화규소 및 SiO2/Al(P) 중 선택된 어느 하나로 이루어진 핵의 표면에 이산화티탄과, 산화아연 및 산화철 중 어느 하나 또는 2 이상을 피복으로써 코팅하는 단계이다.The step of forming the ceramic nano-composite particles (S1) is any one of titanium dioxide, zinc oxide and iron oxide on the surface of the nucleus made of any one selected from mica, talc, silicon dioxide and SiO 2 / Al (P) or Coating by coating two or more.

예컨대, 이산화규소 및 이산화티탄을 사용하여 세라믹 나노 복합입자를 형성하는 경우, 상기 이산화규소 및 상기 이산화티탄을 수열합성기 내에 투입하여 일정시간 혼합하고, 90~100℃에서 2시간동안 에이징을 한 후 150~200℃에서 수열 합성하여 이산화규소의 표면에 이산화티탄이 코팅되게 한다.For example, when forming ceramic nanocomposite particles using silicon dioxide and titanium dioxide, the silicon dioxide and the titanium dioxide are added to a hydrothermal synthesizer, mixed for a predetermined time, and aged at 90 to 100 ° C. for 2 hours, and then 150. Hydrothermal synthesis at ˜200 ° C. causes titanium dioxide to be coated on the surface of silicon dioxide.

상기 폴리프로필렌 수지를 용융화하는 단계(S2)는 멜트 믹싱기(melt mixing)를 사용하여 소정시간, 예컨대 2분 동안 상기 폴리프로필렌 수지를 녹이는 단계이다.Melting the polypropylene resin (S2) is a step of melting the polypropylene resin for a predetermined time, for example, 2 minutes using a melt mixing (melt mixing).

용융된 폴리프로필렌 수지에 상기 세라믹 나노 복합입자를 용융 혼합하는 단계(S3)는 폴리프로필렌 수지 90~99 중량% 및 세라믹 나노 복합입자 1~10 중량% 또는 89~98.9 중량%의 폴리프로필렌 수지와, 1~10 중량%의 세라믹 나노 복합입자 및 0.1~1.0 중량%의 첨가물을 용융 혼합하는 단계이다.Melt-mixing the ceramic nanocomposite particles to the molten polypropylene resin (S3) comprises 90 to 99 wt% of polypropylene resin and 1 to 10 wt% or 89 to 98.9 wt% of polypropylene resin, 1 to 10 wt% of the ceramic nanocomposite particles and 0.1 to 1.0 wt% of the additives are melt mixed.

상기와 같은 폴리머 복합체 제조방법에 의하면, 내열성 재료인 세라믹 나노 복합입자가 폴리프로필렌 수지에 혼합되므로 전체적으로 내열성이 향상되게 된다.According to the polymer composite manufacturing method as described above, since the ceramic nanocomposite particles, which are heat resistant materials, are mixed with the polypropylene resin, the overall heat resistance is improved.

또한, 상기 세라믹 나노 복합입자는 굴절률이 다른 다수의 층으로 형성되므로 다층 계면에서의 반사가 증가하여 빛의 간섭색을 향상시키게 됨으로써 우수한 발색 효과를 나타내게 된다.In addition, since the ceramic nanocomposite particles are formed of a plurality of layers having different refractive indices, the reflection at the multi-layer interface is increased to improve the interference color of the light, thereby exhibiting excellent color development effects.

도 1은 본 발명의 일 실시예에 따른 폴리머 복합체 중 세라믹 나노 복합입자를 개략적으로 나타낸 단면도.1 is a cross-sectional view schematically showing a ceramic nano composite particles of a polymer composite according to an embodiment of the present invention.

도 2는 도 1의 세라믹 나노 복합입자를 투과전자현미경(TEM)으로 찍은 사진.2 is a photograph taken with a transmission electron microscope (TEM) of the ceramic nanocomposite particles of FIG.

도 3은 본 발명의 폴리머 복합체와 세라믹 나노 복합입자가 함유되지 않은 폴리프로필렌 수지의 색차계를 측정한 그래프.Figure 3 is a graph measuring the color difference meter of the polypropylene resin containing no polymer composite and ceramic nano composite particles of the present invention.

도 4는 본 발명의 폴리머 복합체와 세라믹 나노 복합입자가 함유되지 않은 폴리프로필렌 수지의 편광 현미경 사진.4 is a polarized light micrograph of a polypropylene resin containing no polymer composite and ceramic nano composite particles of the present invention.

도 5는 본 발명의 일 실시예에 따른 폴리머 복합체 제조방법을 순차적으로 나타낸 순서도.5 is a flowchart sequentially showing a method of manufacturing a polymer composite according to an embodiment of the present invention.

Claims (9)

폴리프로필렌 수지; 및Polypropylene resins; And 굴절률 1.4 내지 1.6의 핵과, 핵의 상부와 하부 표면에 각각 코팅되는 굴절률 2.0 내지 2.9의 피복으로 이루어진 3층 구조의 세라믹 나노 복합입자를 포함하는 폴리머 복합체.A polymer composite comprising a nucleus having a refractive index of 1.4 to 1.6 and a ceramic nanocomposite having a three-layer structure composed of a coating having a refractive index of 2.0 to 2.9 coated on the upper and lower surfaces of the core, respectively. 청구항 1에 있어서,The method according to claim 1, 상기 폴리프로필렌 수지는 90~99 중량%가 함유되고, 상기 세라믹 나노 복합입자는 1~10 중량%가 함유된 것을 특징으로 하는 폴리머 복합체. The polypropylene resin is 90 to 99% by weight, the ceramic composite nanoparticles characterized in that 1 to 10% by weight polymer composite. 청구항 1에 있어서,The method according to claim 1, 상기 핵은 마이카와, 탈크 및 이산화규소 중 어느 하나인 것을 특징으로 하는 폴리머 복합체.The nucleus is a polymer composite, characterized in that any one of mica, talc and silicon dioxide. 청구항 1에 있어서,The method according to claim 1, 상기 피복은 이산화티탄과, 산화아연 및 산화철 중 적어도 하나 이상이 상기 핵 표면에 코팅된 것을 특징으로 하는 폴리머 복합체.The coating is polymer composite, characterized in that at least one or more of titanium dioxide, zinc oxide and iron oxide is coated on the surface of the nucleus. 삭제delete 청구항 1에 있어서,The method according to claim 1, 상기 폴리프로필렌 수지는 89~98.9 중량%가 함유되고, 상기 세라믹 나노 복합입자는 1~10 중량%가 함유되며, 0.1~1.0 중량%의 첨가물이 더 함유된 것을 특징으로 하는 폴리머 복합체. The polypropylene resin is contained 89 ~ 98.9% by weight, the ceramic nano-composite particles are contained 1 ~ 10% by weight, polymer composite, characterized in that further contains 0.1 to 1.0% by weight of the additive. 청구항 6에 있어서,The method according to claim 6, 상기 첨가물은 산화 방지제, 슬립제, 안정제 중 적어도 하나 이상의 성분인 것을 특징으로 하는 폴리머 복합체.The additive is a polymer composite, characterized in that at least one component of the antioxidant, slip agent, stabilizer. 굴절률 1.4 내지 1.6의 핵 재료와 굴절률 2.0 내지 2.9의 피복 재료를 혼합한 후, 핵과 피복 재료의 혼합물을 에이징한 다음, 에이징된 혼합물을 수열 합성함으로써, 핵 및 이 핵의 상부와 하부 표면에 각각 코팅되는 피복으로 이루어진 3층 구조의 세라믹 나노 복합입자를 형성하는 단계;After mixing the nuclear material with a refractive index of 1.4 to 1.6 and the coating material with a refractive index of 2.0 to 2.9, aging the mixture of the core and the coating material, and then hydrothermally synthesizing the aged mixture, thereby coating the nucleus and the upper and lower surfaces of the nucleus, respectively. Forming ceramic nanocomposite particles having a three-layer structure comprising a coating; 폴리프로필렌 수지를 용융화하는 단계; 및Melting the polypropylene resin; And 용융된 폴리프로필렌 수지에 세라믹 나노 복합입자를 용융 혼합하는 단계를 포함하는 폴리머 복합체 제조방법.Polymer composite manufacturing method comprising the step of melting and mixing the ceramic nano-composite particles in the molten polypropylene resin. 삭제delete
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950032417A (en) * 1994-02-24 1995-12-20 다께다 가즈히꼬 Marking composition, its moldings and marking method
KR100787181B1 (en) 2006-04-21 2007-12-21 요업기술원 Polyester resin composition containing silica coated with ceramic nanoparticles and their excellant deep coloration
WO2008048922A2 (en) 2006-10-18 2008-04-24 Basf Corporation Multiple layered pigments exhibiting color travel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950032417A (en) * 1994-02-24 1995-12-20 다께다 가즈히꼬 Marking composition, its moldings and marking method
KR100787181B1 (en) 2006-04-21 2007-12-21 요업기술원 Polyester resin composition containing silica coated with ceramic nanoparticles and their excellant deep coloration
WO2008048922A2 (en) 2006-10-18 2008-04-24 Basf Corporation Multiple layered pigments exhibiting color travel

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