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In this Edition November 2011 |
COMPANY NEWS |
MATERIALS NEWS |
MACHINERY NEWS |
INJECTION MOULDING ASIA |
RUBBER JOURNAL ASIA |
 ELECTRONIC ISSUE |
PRA October-November 2011 Electronic Issue Still Available |
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Materials News
PLA film for packaging applications
A
nother Japanese company Teijin has developed film and sheet versions of its Biofront heat-resistant PLA, which already is available for use as a fibre and resin.Biofront film and sheet exhibit high transmission properties due to the stereocomplex crystalline structure achieved with high-purity L-lactate and D-lactate PLA.
The material can be used for a wide range of applications, including packaging and printing requiring high transmission and strength; optical film requiring high transmission, low heat-shrinkage and optical isotropy (uniform properties in all directions); white reflective film and printing substrate requiring strong light scattering; transparent substrate, decorative film, insert moulding and blister packaging requiring high transparency and non-crystalline properties.
Biofront has a melting point of at least 210?, which is significantly higher than that of conventional bioplastic. It also has good hydrolytic stability and achieves semi-crystallisation in 20-25% of the time required by conventional bioplastic, making it a suitable choice for moulded plastic, clothing and interior materials.