This experiment was conducted to develop a technology capable of satisfying the barrier characteristics that can block gas penetration such as moisture. Flexible electronic devices are easily damaged by environmental oxygen and moisture, shortening the lifetime of the device. Protecting organic devi...
This experiment was conducted to develop a technology capable of satisfying the barrier characteristics that can block gas penetration such as moisture. Flexible electronic devices are easily damaged by environmental oxygen and moisture, shortening the lifetime of the device. Protecting organic devices requires a protective layer that delays environmental moisture and oxygen. To prepare this Barrier film, we have fabricated the multi-layer barrier film by solution process using the applicator by bar coating. Multi-layer consists of two polymer layer and one middle composite layer on PET substrate. For polymer layer composition of Phenoxy resin YP-50 and Epoxy resin KSR-177 have used for its good resistance to chemical and thermal, high adhesiveness and low swelling properties. For composite layer inorganics CaO, SiO2 used as physical barrier and interactive barrier to create longer diffusion path length for moisture permeation Composite solution has synthesized with optimum ratio of inorganic oxide of CaO and SiO2 with phenoxy and epoxy polymer composition. After that multi-layer barrier film has fabricated. To evaluate the multi-layer barrier film properties coating thickness, drying and curing condition of the barrier film has measured. As the phenoxy(YP-50) content increased, the viscosity of the solution has increased. It is relatively tough to coat with high viscous solution. Moreover after drying the films surface are blistered. The optimum ratio of Phenoxy(YP-50) has maintained 23.9wt% in the solution. For composite solution inorganic oxide are ball milled with zirconia ball for 24hour. Then the inorganic solution dispersed in the reactor with polymer. In case of the inorganic film, the same film condition could be obtained under the same. Films are cured at different temperature 100℃, 110℃, 120℃, 130℃. 120℃ for 2 min curing film gives the highest transmittance. At this time, it was confirmed that the inorganic solution was homogeneous solution when mixed for 24 hours or more. It was observed that the longer the dispersion at the time of solution processing, the higher the transmittance obtained after film fabrication. Therefore, the dispersion time of the polymer solution during the synthesis was kept set to 6 hours, and for inorganic material was more 3 hours dispersed. We have fabricated multilayer protective barrier films by bar coat using applicator from solutions. Each film was coated 0.1, 0.3, and 0.5 mm thickness consequently using a gap (applicator). After coating, drying and curing were carried out to produce a multilayer protective film. The nature of chemical resistance, adhesiveness, moisture permeation rate (MPR) of multi-layer barrier film has characterized. In this study, we investigated the characteristics of organic and inorganic films by searching for synthesis method of protective film solution of oil and inorganic materials at room temperature and film making process. Additional research is needed for the production and characterization of multi-layer protective films.
This experiment was conducted to develop a technology capable of satisfying the barrier characteristics that can block gas penetration such as moisture. Flexible electronic devices are easily damaged by environmental oxygen and moisture, shortening the lifetime of the device. Protecting organic devices requires a protective layer that delays environmental moisture and oxygen. To prepare this Barrier film, we have fabricated the multi-layer barrier film by solution process using the applicator by bar coating. Multi-layer consists of two polymer layer and one middle composite layer on PET substrate. For polymer layer composition of Phenoxy resin YP-50 and Epoxy resin KSR-177 have used for its good resistance to chemical and thermal, high adhesiveness and low swelling properties. For composite layer inorganics CaO, SiO2 used as physical barrier and interactive barrier to create longer diffusion path length for moisture permeation Composite solution has synthesized with optimum ratio of inorganic oxide of CaO and SiO2 with phenoxy and epoxy polymer composition. After that multi-layer barrier film has fabricated. To evaluate the multi-layer barrier film properties coating thickness, drying and curing condition of the barrier film has measured. As the phenoxy(YP-50) content increased, the viscosity of the solution has increased. It is relatively tough to coat with high viscous solution. Moreover after drying the films surface are blistered. The optimum ratio of Phenoxy(YP-50) has maintained 23.9wt% in the solution. For composite solution inorganic oxide are ball milled with zirconia ball for 24hour. Then the inorganic solution dispersed in the reactor with polymer. In case of the inorganic film, the same film condition could be obtained under the same. Films are cured at different temperature 100℃, 110℃, 120℃, 130℃. 120℃ for 2 min curing film gives the highest transmittance. At this time, it was confirmed that the inorganic solution was homogeneous solution when mixed for 24 hours or more. It was observed that the longer the dispersion at the time of solution processing, the higher the transmittance obtained after film fabrication. Therefore, the dispersion time of the polymer solution during the synthesis was kept set to 6 hours, and for inorganic material was more 3 hours dispersed. We have fabricated multilayer protective barrier films by bar coat using applicator from solutions. Each film was coated 0.1, 0.3, and 0.5 mm thickness consequently using a gap (applicator). After coating, drying and curing were carried out to produce a multilayer protective film. The nature of chemical resistance, adhesiveness, moisture permeation rate (MPR) of multi-layer barrier film has characterized. In this study, we investigated the characteristics of organic and inorganic films by searching for synthesis method of protective film solution of oil and inorganic materials at room temperature and film making process. Additional research is needed for the production and characterization of multi-layer protective films.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.