Bioplastics pioneer FKuR Kunststoff GmbH has extended its product range of cellulose acetate based injection molding grades. The Willich, Germany–based company has added two new Biograde products, both of which are based on a newly developed combination of raw materials and additives. The two new grades join the current C9550 standard grade.

Along with other benefits, the ASTM D 6866 bio-based content [BCC] of the new C 5509 CL and C 5508 grades has been increased from 50% to over 65%. Both grades are easily processed with short cycle times on standard injection molding machines with universal screws, and, if desired, in multi-cavity molds. The cellulose used for the Biograde family of products originates from sustainable forestry wood only - no tropical wood is not used.

Biograde C 5509 CL is transparent and thermally stabilized, resulting in a Vicat A softening temperature of 100 °C and a heat distortion temperature (HDT B) of 80 °C. As a result of its high melt flow index (MFR: 40 to 56 g/10 min [230 °C/5 kg]), Biograde C 5509 CL is suitable for the production of components with thin wall thicknesses and long flow paths. With the appropriate masterbatch, it can also be easily colored.

For opaque or translucent components, converters can turn to Biograde C 5508. This translucent cellulose compound has a lower MFR (18 to 25 g/10 min [230 °C/5 kg]) when compared to C 5509 CL and is preferred for smaller and thicker-walled injection-molded parts.

All Biograde compounds from FKuR are characterized by their high stiffness, tensile and impact strength, as well as an attractive surface finish. Typical application areas include injection molded engineering parts, e. g. for the electronics and appliance industry, as well as consumer products such as toothbrushes, ball-point pens or cutlery. All grades are free from harmful plasticizers and suitable for food contact according to EN 10/2011 and FDA, as well as for the production of children's toys (EN 71-3).

FKuR will be presenting these and other product innovations at booth 9F14 in Hall 9 at Interpack, which will take place from 4 to 10 May 2017 in Düsseldorf, Germany.(KL)

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Samenwerking FKur en Corbion Purac om hitte bestendig PLA samenstellingen te ontwikkelen
Gepubliceerd op 24 mei 2014
Bioplastic specialist FKuR Kunststoff GmbH en Corbion Purac, wereldwijde marktleider in melkzuur, melkzuurderivaten en lactiden, gaan de krachten bundelen om een PLA (Poly Lactic Acid) samenstelling te ontwikkelen voor hitte resistentie en GMO-vrije applicaties.

FKur en Corbion Purac richten zich op nieuwe bioplastic samenstellingen voor gebruik in de food en non-food verpakkingen, evenals in verschillende duurzame producten als speelgoed en kantoorartikelen. Corbion Purac en FKuR zullen zich voornamelijk concentreren op het ontwikkelen van specifieke applicaties waar hoge temperatuur resistentie vereist is, waar dit tot nu toe nog niet is gelukt met veel standaard bioplastics. Om nieuwe markten te ontwikkelen voor PLA, hebben de partners toegezegd tot gezamenlijke ontwikkeling.