Abstract:
PURPOSE: A polyalkylene oxide-based polymer electrolyte composition is provided, to improve the stability at the interface between a lithium metal and an electrolyte during charge/discharge and the efficiency of lithium charge/discharge. CONSTITUTION: The composition comprises 3-30 wt% of a lithium salt; 0.1-80 wt% of a crosslinking agent represented by the formula 1; 0.01-20 wt% of at least one lithium surface stabilizer selected from the compounds represented by CiF(2i+1)CjH2j-Q1-(CH2CH2O)k-CjH2j-Q2-R9 (wherein Q1 and Q2 are -O-, -OC(O)O-, OC(O)- or -C(O)O-, respectively; R9 is H or a linear or branched perfluorinated alkyl group of C1-C10; i and k are integer of 1-20, respectively; and j is an integer of 0-5) or D-£-W| l (wherein l is an integer of 1-8); 0.1-90 wt% of at least one plasticizer selected from nonaqueous polar solvents; and 0.5-5 wt% of a curable initiator. In the formula 1, X is -C(-)X1-, -CX1X2-, -SO2-, -P(-)O- or -P(-)O-Ph (wherein X1 and X2 are a linear or branched alkyl or haloalkyl group of C1-C10, respectively); R is a linear or branched alkyl group of C1-C10; R1, R2, R3, R4, R5, R6 and R7 are H or CH3, respectively; R8 is a linear or branched alkyl group of C1-C10; j is 2 or 3; and p, q and r are an integer of 0-20, respectively.
Abstract:
PURPOSE: A novel crosslinking agent for a solid polymer electrolyte, a polymer electrolyte composition containing the crosslinking agent, and a solid polymer electrolyte thin film and a lithium polymer secondary battery prepared by using the composition are provided, to enable an electrolyte thin film with an excellent ion conductivity at a room temperature and a good electrochemical stability to be prepared. CONSTITUTION: The crosslinking agent has the poly(methyl siloxane) where an alkylene oxide is introduced as a side chain and two to four acryl functional groups are introduced at the both ends, as a basic structure, and is represented by the formula 1, wherein R1, R2 and R3 are H or a methyl group, respectively; R4 is a single bond or the formula (a); X is -O- or -OC(=O)-; m and n are an integer of 0-1,000, respectively; p and q are an integer of 0-20, respectively; and r is an integer of 1-6. The polymer electrolyte composition comprises 0.1-80 wt% of the crosslinking agent of the formula 1; 0.1-80 wt% of at least one plasticizer selected from the polyalkylene glycol dialkyl ether represented by the formula 2 and a nonaqueous polar solvent; 3-30 wt% of a lithium salt; and 0.5-5 wt% of a curing initiator, wherein R5 and R6 are a linear or branched alkyl group of C1-C10, respectively; R6, R8 and R9 are H or a methyl group, respectively; and p, q and l are an integer of 0-20, respectively.
Abstract:
본 발명은 아세틸렌기를 하나 이상 포함하는 유기화합물, 그 화합물을 진공 조건에서 기질 위에 증착시킴과 동시에 또는 증착 후에 열처리 및/또는 자외선 조사에 의하여 중합시켜 유기박막을 제조하는 증착중합법, 그 방법에 의하여 제조된 증착중합 박막, 및 그 박막을 한 층 이상 사용한 전기 발광소자에 관한 것이다. 본 발명에서는 진공증착기를 이용한 유기박막 제조시, 고온에서의 라디칼 형성공정 및 불필요한 부산물의 발생을 피하고자, 비교적 저온의 열처리 또는 자외선 조사에 의하여 용이하게 중합반응을 일으키는 아세틸렌기를 하나 이상 포함하는 유기화합물을 합성한 후, 이를 전구물질로 사용하여 증착중합 박막을 제조한다. 본 발명의 방법에 의하여 제조된 증착중합 박막은 두께가 균일하고 우수한 열안정성을 가지며 필요에 따라 패턴을 형성할 수 있어, 반도체의 층간 절연박막, 전기 발광소자, 태양전지, 복사기와 레이져 프린터 등 다양한 분야에 응용이 가능하다.
Abstract:
본 발명은 균일하게 분산된 다이메틸실록산을 포함하는 폴리메틸실세스퀴옥산 공중합체의 제조방법에 관한 것으로서, 더욱 상세하게는 특정 몰비의 메틸트리알콕시실란과 다이메틸다이알콕시실란의 혼합용액을 열처리하여 리간드 교환 반응된 알콕시실란 화합물을 얻은 후, THF와 톨루엔의 혼합용매를 사용하여 졸-겔 반응시키고 암모니아수로 중화함으로써, 다이메틸실록산 분자 하나 하나가 메틸실록산 골격에 분자 수준으로 균일하게 분산된 새로운 폴리메틸실세스퀴옥산 공중합체의 제조방법에 관한 것이다. 본 발명의 방법으로 제조된 공중합체는 내열성이 매우 우수하고 메틸기의 함량증가로 유연성이 기대되어 SOG(Spin On Glass) 및 CMP(Chemical Mechanical Polishing) 공정을 거치는 매우 낮은 저 유전율 값을 요구하는 반도체의 층간 절연막 재료의 모재로서 사용될 수 있다.
Abstract:
PURPOSE: Solid electrolyte film whose mechanical characteristics is improved and adhesive power is contemporarily excellent is prepared. It is also applied for solid battery. CONSTITUTION: Polymer ion conductive film with high conductivity at normal temperature and solid battery using this is provided. The composition of ion conductive film is as follows and it goes through radiation curing process: alkali salt of chemical formula 1, acrylate and meta-acrylate of polyethylene glycol alkylether including unsaturated functional group of formula 2, polyalkylene glycol di-meta-acrylate or polyalkylene glycol tri-meta-acrylate of formula 3, vinyl class monomer of formula 4, displaced polyalkylene oxide of formula 7 and ultraviolet initiator.