Papers by Author: Shu Yan Xu

Abstract: Expandable polystyrene and expandable polyethylene foams are frequently used in packaging of products. The study on their cushioning properties is important for the design of the transport package. The effect of compression speed and multiple reloading on the cushioning properties of HDEPS, LDEPS and HDEPE was studied in this paper. The results indicate that the cushioning properties of HDEPS and LDEPS are affected obviously by the compression speed, but the change of the cushioning properties for LDEPE was unconspicuous with the compression speed. LDEPE appeared obvious fatigue after twice reloads.

Abstract: Silicon oxide thin films have many excellent properties such as hardness, optical,dielectric properties,wear-resistance and corrosion-resistance. It has been widely used in optical and microelectronic applications. The preparation methods mainly include phsical vapor deposition and chemical vapor deposition.The paper reviews a few preparation methods of silicon oxide thin films, and compares advantages and disadvantages w ith each other. On the other hand,it point out the tendency of development.

Abstract: Food Packaging material requires an excellent barrier ability to humidity and oxygen.SiOx barrier thin film deposited on high polymer substrate can compare beauty with aluminum foil in the barrier quality,even more SiOx barrier thin film is obviously allowing microwave permeating directly and it also provide a chance for merchant to vision their production in shelf life.SiOx film as barrier packaging material is becoming a high light.The current status and research progress of new type high barrier thin film packaging material were overviewed and production technology was introduced. The various influencing factors were discussed, including background vacuum, reactive gases, and pretreatment of the substrate surface and properties.