Abstract:
본 발명은 가교성 사다리형 폴리실세스퀴옥산을 이용한 유무기 하이브리드 겔 고분자 전해질의 제조방법 및 이에 의하여 제조된 유무기 하이브리드 겔 고분자 전해질에 관한 것이다. 본 발명은 가교성 폴리실세스퀴옥산과 액상 전해질을 광 또는 열 개시로 겔화 반응시켜 유무기 하이브리드 겔 고분자 전해질을 제조하는 것을 특징으로 한다. 가교성 폴리실세스퀴옥산은 가교성 유기관능기를 갖고, 하기 화학식 1로 표시될 수 있다.
여기서, R 1 , R 2 및 R 3 는 각각 알킬기, 알릴기, 비닐기, 에폭시기, 아민기, 할로겐, 알킬할로겐, 메타크릴기, 아크릴기 및 이들의 조합으로 이루어진 그룹에서 선택된 1종 이상을 포함할 수 있으며, n은 1 내지 10,000 의 정수이다. 본 발명에 의한 유무기 하이브리드 겔 고분자 전해질은 높은 이온전도도와 높은 전기 화학적 안정성을 가지기 때문에 리튬 이온 고분자 전지 등에 응용이 가능하다.
Abstract:
본 발명은 탄소전구체; 및 상기 탄소전구체와 수소결합하는 양친매성 블록 공중합체;를 반응시켜 나노 기공을 형성하는 단계; 상기에서 얻어진 화합물에 자외선(UV)을 조사하여 상기 나노 기공 구조를 안정화시키는 단계; 상기 자외선이 조사된 화합물을, 상기 블록 공중합체의 유리전이온도(Tg)보다 20 내지 50℃ 높은 온도에서 열경화시키는 단계; 및 상기 열경화된 화합물을 600 내지 800℃에서 탄화시켜 기공의 직경이 균일한 탄소 재료를 얻는 단계;를 포함하고, 상기 열경화 및 탄화 시 상기 나노 기공 구조가 유지되는 것인, 다공성 탄소 박막재료의 제조방법을 제공한다.
Abstract:
The present invention relates to a low dielectric interlayer material and a method for preparing the same, wherein the low dielectric interlayer material includes a cyclic siloxane compound or bis (trialkoxy silyl) alkane (BTASA), silane compounds, and copolymers combined with a cage type polysilsesquioxane, and the cage type polysilsesquioxane forming gaps. The low dielectric interlayer material according to the present invention has high strength and a low dielectric constant, and excellent chemical, electrical, and thermal properties, thereby capable of being usefully applied to a device.
Abstract:
A thermal conductive polymer composite material of the present invention comprises: first polymer particles and a plurality of monomers comprising thermally conductive layers covering the surface of the first polymer particles having higher thermal conductivity than the first polymer particles, and the thermally conductive layers of the monomers connected to each other and forming a heat conduction path. If using the thermal conductive polymer composite material, compared with a conventional composite material, despite being lightweight; excellent thermal conductivity can be provided and can be provided by a simple step of hot-pressing molding, thereby providing a polymer composite material which can effectively form a heat transfer path in the composite material. [Reference numerals] (AA) Heating and pressing
Abstract:
PURPOSE: A separate membrane comprising metal-organic frameworks for water treatment which is excellent in liquid permeability and salt rejection rate and suitable for a nano-filtration membrane excluding polyvalent ion is provided, along with a manufacturing method there of and a water treatment method using the same. CONSTITUTION: A separate membrane for water treatment contains: an active layer including metal-organic structures and polyamide polymers; and a separate membrane support layer. A manufacturing method of the separate film for water treatment comprises the steps of: dispersing metal-organic structures on a multifunctional oxy halide solution to produce a first solution, reacting the multifunctional oxy halide solution and the first solution on the separate membrane support layer to polymerize polyamide polymers.
Abstract:
PURPOSE: A carbon nanotubes-polymer composite is provided to have high dispersity using a conjugated polymer-based block copolymer without the chemical or physical deformation of carbon nanotubes. CONSTITUTION: A carbon nanotubes-polymer composite comprises carbon nanotubes which are uniformly dispersed in a polymer substrate. The carbon nanotubes are coated with a copolymer which is selected from conjugated polymer-based block copolymers. A manufacturing method for the carbon nanotubes-polymer composite comprises a step of manufacturing a conjugated polymer-based block copolymer; a step of manufacturing carbon nanotubes coated with the conjugated polymer-based block copolymer by blending the carbon nanotubes and the conjugated polymer-based block copolymer; and a step of blending the carbon nanotubes and a polymer.
Abstract:
PURPOSE: A manufacturing method of a foam product is provided to manufacture a foam product with uniform foam cells from waste crosslinked plastics. CONSTITUTION: A manufacturing method of a foam product comprises: a step of obtaining a recycled polyolefin resin by the supercritical decrosslinking reaction of waste plastics; a step of mixing 100 parts by weight of a base resin which comprises the recycled polyolefin resin, 1-10 parts by weight of a foaming agent, and 0.2-5 parts by weight of a crosslinking agent; and a step of foaming the mixture at 170 deg. C or more. The waste crosslinked plastic is a crosslinked polyolefin-based copolymer. The base resin comprises 10-100 weight% of the recycled polyolefin resin.
Abstract:
본 발명은 고분자 바인더를 이용하여 강유전성 PVDF(polyvinylidene fluoride) 박막의 패턴 어레이(pattern array)를 형성하는 방법에 관한 것으로, 구체적으로 1) PVDF 고분자, 및 이와 상용성이 우수하면서 UV 경화가 가능한 고분자 바인더를 용매에 용해시킨 후 그 혼합물을 기판 위에 코팅하여 PVDF 박막을 형성하는 단계; 및 2) 상기 코팅된 박막 위에 패턴화된 마스크를 통해 UV를 조사하여 조사된 부분에서만 UV 경화를 유도한 후, UV가 조사되지 않아 경화되지 않은 부분은 용매를 이용하여 제거하여 패턴 어레이를 형성하는 단계를 포함하는, 고분자 바인더를 이용하여 강유전성 PVDF 박막의 패턴 어레이를 형성하는 방법에 관한 것이다. PVDF, 강유전성 박막, 패턴 어레이, 경화성 고분자 바인더
Abstract:
PURPOSE: A method of recycling a waste foam agent based on low-density polyethylene is provided is provided to remarkably reduce the amount of buried or burned waste low-density polyethylene. CONSTITUTION: A method of recycling a waste foam agent based on low-density polyethylene comprises the following steps: de-crosslinking the waste foam agent at 350~500 deg C with a reaction condition of the pressure of 5~30 mega pascals for 2~30 minutes using supercritical ethanol; and converting the waste foam agent based on the low-density polyethylene into a recycling low density polyethylene class resin. The waste foam agent based on the low-density polyethylene is the waste foam agent using either an organic peroxide cross-linking method or an electron beam cross-linking method.
Abstract:
A method for preparing a polyolefin-based foamed particle is provided to improve the moldability of a polyolefin-based foamed particle and to reduce the cost for treating wasted water by reusing a dispersion medium. A method for preparing a polyolefin-based foamed particle comprises the steps of dispersing linoleic acid, a vegetable oil containing linoleic acid or an organic compound containing a fatty acid of lecithin in a dispersion medium; injecting a polyolefin-based resin particle and a foaming agent to the obtained one and increasing the temperature to prepare a polyolefin-based foamed particle; withdrawing a dispersion medium from the prepared polyolefin-based foamed particle to obtain a polyolefin-based foamed particle; and reusing the withdrawn dispersion medium to the preparation step of the polyolefin-based foamed particle.