BIOPLASTICS | MATERIALS
“The time has come to expand our market
presence,” said Peter Stenström, CEO of Gaia.. “We will use our funds to expand our global network of commercial agents and train and support them.” The material was recently used in beer cups for
the Formula 1 final in Abu Dhabi. It is also used in disposable products such as health-care apron, food containers and plant pots. It can be processed on standard machinery in processes including film blowing and thermoforming. Stenström said that Gaia has a production capacity that can be scaled up to 50,000 tonnes/ year within the existing structure.
Film compounds CJ Biomaterials has introduced two new com- pounds based on polyhydroxyalkanoate (PHA), for blown, cast, and machine direction orientation (MDO) film applications. The compounds, PHACT CA1270P (clear) and
CA1240PF (opaque), combine PHA with Nature- Works’ Ingeo PLA. Both are 100% bio-based, providing a compostable alternative to traditional plastic films. The carbon footprint of both new products is around half that of typical packaging plastics such as LDPE, says CJ Biomaterials. In testing, both compounds showed a good balance between stiffness, strength, tear and puncture resistance, ensuring durability in packag- ing applications. They are industrially compostable, with CA1240PF showing the potential for home compostability (tests are ongoing). Both grades have been subjected to blown-
MDO processing, achieving up to fourfold stretch, and revealing orientation (birefringence) with
Left: CJ Bio has introduced two PHA-based compounds for blown, cast and MDO film applications
improved puncture toughness, making them suitable for oriented films in shrink wrap applica- tions. MDO films with CA1240PF result in micropo- rous films, providing unique opportunities for various packaging applications, said the company. The new compounds can be used for applica- tions including food packaging, produce bags, compost bags, bin liners and labels. Both have been qualified on industrial production lines by several large film converters. The company adds that they have greater modulus and strength than LDPE/ LLDPE blown films and higher tear-resistance than other biodegradable and compostable plastics. At AMI’s Stretch & Shrink Film conference earlier
this year, Hugo Vuurens, VP of business develop- ment at CJ Biomaterials, said: “PLA and amorphous
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IMAGE: CJ BIO
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