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Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK)

Tianjin,China,10.12-10.15，2010

ISBN: 978-1-935068-36-5 Scientific Research Publishing, USA

E-Book 886pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $80

Title: Air Filled Cushioning Material, Structures and Properties
Source: Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK) (pp 1-4)
Author(s): Yonggang Kang, College of Packaging and Printing EngineeringTianjin University of Science and Technology, Tianjin, P.R.China
Diane Zhang, Shanghai Nilu International Import & Export Co.,Ltd Shanghai, P. R. China
Huiguo Du, College of Packaging and Printing EngineeringTianjin University of Science and Technology, Tianjin, P.R.China
Abstract: Air inflated cushion using pre-sealed two-layer plastic films forms air filled structural cushion when compressed air is charged to pre-sealed airtight chambers during packaging operation. The plastic films are made by co-extrusion of polyethylene/polyamide/polyethylene (PE/PA/PE) to keep required strength, permeability of the cushioning materials and easy production of the cushion. The air filled cushion structure is designed into column chambers with five different selective widths which form five different–cushion thickness when regulated compressed air is charged into the chambers using controlled pressure gauge during packaging performance. Uniquely designed charge port to each chamber provides individual chamber with the ability to work independently, hence ensures the protective function of packaging and allows the air cushions to be easily manipulated to a given product to be packaged. Static cushioning performance tests to air filled cushion materials at desirable air pressures showed that minimum cushion factor was about 4, and appeared at compressive strain of the materials from 55-80%. Dynamic impact to the samples with dimension of 180 by 180cm at drop height of 76cm demonstrates relationship between impact mass and acceleration levels, indicating the suitability of the materials for a wide range of packaging application to electronic products and devices. Overall packaging properties of the material relating to co-extruded film strength, permeability, sealing strength of the plastic films were discussed.
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