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APPLICATION OF RERFLUOROPOLYMETHYLISOPROPYLETHER TO HAND CARE CREAM USING ADSORPTION AND DISPERSION
( Baeksun Ahn ),( Dongug-sliin ),( Pangu-jo ),( Sangie-kim ),( Hosoon-lim ) 대한화장품학회 1997 대한화장품학회지 Vol.23 No.3
It has been used that fluorinated compounds could be applied to cosmetic products. It is that fluori- nated compounds are hydrophobicity and lipophobicity. These fluorinated compounds are reported to form a highly protective and effective film against most aggressive chemical and physical agents. FerfluoropolymethylisopropylEther(PFPE) has homophobicity and are colorless, odorless, tasteless and non-greasy. In this we made a success to formulate the new type of hand care cream using PFPE. PFPE are suitable thickness and chemical inertness to skin. The reason that we select PFPE for this investigation. We developed the new type hand care cream by adsorption and dispersion of PFPE. There are very stable dispersion and highly moisture diffusion control. And these characteristics were verified by actual consumer test.
A Study on the Efficient Operation of the Intermediate Storage for Mail Delivery
Jaekyung Yang,Myoung-Jin Choi,Baeksun Kim 한국산업경영시스템학회 2013 한국산업경영시스템학회 학술대회 Vol.2013 No.춘계
The revitalization of e-business via Internet brings big changes to the postal business, and leads to a tremendous increase of heavy and large sized postal mails with continuing growth of home delivery business. Thus, even though the number of intermediate storages for mail delivery that mailmen use for picking up mails in the middle of mail delivery has been being increased, it has still many problems such as insufficient number and size of the storages as well as avoidance of mail keeping of trust agents. It is necessary that safety of mail keeping, seamless mail delivery, and individual parcel pick-up process reestablishment should be made through an improved counter plan for the problems described previously. This study presents the efficient and right operational plan for the intermediate storage for mail delivery with providing the number and size of intermediate storages per mail delivery sequence according to four different types of post offices.