Biopolymers

Additives

Modifying PVC with Bio-Based PHA Rubber

A new class of renewable and very efficient multifunctional modifiers for PVC has been developed at Metabolix. This series of biobased PHA (polyhydroxyalkanoate) copolymers offers toughening, plasticization, and improved processing of all types of PVC compounds. They also have good UV stability and transparency, do not promote biodegradation, and are fungi resistant.

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Compostable Drinking Straws from PLA

WEB EXCLUSIVE: A proprietary PLA-based bioplastic from Cereplast, Inc., El Segundo, Calif., is being used in new compostable drinking straws sold under the Cello-Green Bio Straws brand by Cell-O-Core Co., Wadsworth, Ohio.

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Biopolymers

New Firm Offers PVC Compounds Free of Phthalates & Heavy Metals

WEB EXCLUSIVE: Axiall Corp., Atlanta, the new company that resulted earlier this year from the merger or Georgia Gulf and PPG Industries’ commodities chemicals ´óÏó´«Ã½, has developed flexible and rigid PVC compounds that replace phthalates and heavy-metal stabilizers with organic alternatives.

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Sheet Extrusion

Conveying, Drying, Crystallizing PLA : The Energy-Saving Packaging Solution

When the new industry term “bioresins” hit the plastics community in the early 2000s, polylactic acid (PLA ) made its way to the top of the list in a class of new plant-based materials.

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Biopolymers

Cereplast Forms Subsidiary for Algae-Based Bioplastics

WEB EXCLUSIVE: Algaeplast is a new wholly-owned subsidiary of Cereplast, Inc., El Segundo, Calif., a maker of compostable and other biobased compounds.

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New Option for No-Dry PET, PLA Sheet

New twin-screw system is based on a conical design.

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Additives

Biobased PHA Enhances PVC Processing & Performance

Metabolix, Inc., Cambridge, Mass., has developed a series of biobased PHA copolymers that act as impact modifiers, flexibilizers, and processing aids for rigid and flexible PVC.

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Biopolymers

Lots More Choices in PHA Biopolymers

One factor limiting growth of biopolymers has been relatively few sources of supply.

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Blending & Dosing