Biopolymers
Biopolymers are materials that are generated from renewable natural sources, are often biodegradable and sometimes compostable. PLA; renewable resins; green resins; degradable resins; sustainability.
ESSENTIAL READING
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How to Extrusion Blow Mold PHA/PLA Blends
You need to pay attention to the inherent characteristics of biopolymers PHA/PLA materials when setting process parameters to realize better and more consistent outcomes.
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How to Optimize Injection Molding of PHA and PHA/PLA Blends
Here are processing guidelines aimed at both getting the PHA resin into the process without degrading it, and reducing residence time at melt temperatures.
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Why (and What) You Need to Dry
Other than polyolefins, almost every other polymer exhibits some level of polarity and therefore can absorb a certain amount of moisture from the atmosphere. Here’s a look at some of these materials, and what needs to be done to dry them.
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Melt Flow Rate Testing–Part 1
Though often criticized, MFR is a very good gauge of the relative average molecular weight of the polymer. Since molecular weight (MW) is the driving force behind performance in polymers, it turns out to be a very useful number.
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Tracing the History of Polymeric Materials: Polyesters
Beyond PET, PBT and their analogues, development of polyester chemistry led to unsaturated thermosetting resins, copolyester thermoplastic elastomers, liquid-crystal polymers and, most recently, biopolymers.
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Biopolymer Compounding on a Twin-Screw Extruder: Four Things You Need to Know
Global bioplastic production capacity is expected to increase to 4.8 billion lb by 2024, driven by OEMs and brand owners steadily converting applications to these “green” materials. If you’re looking to supply compounds to meet this demand, here are some key processing considerations you need to know.
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Latest Biopolymers News And Updates
Composting Additive for PLA Added to FDA Inventory of Food Contact Substances
Carbios’ Active enzymatic solution for the biodegradation of PLA is now included in the FDA Inventory of Effective Food Contact Substances, enabling its use in flexible and rigid food packaging.
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Advanced Biobased Materials Company PlantSwitch Gets Support for Commercialization
With participation from venture investment firm NexPoint Capital, PlantSwitch closes it $8M bridge financing round.
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CJ Biomaterials PHA-Based Polybag Makes Same-Day Delivery More Sustainable
New polybag provides similar properties to traditional PVC bags, including durability, opacity and adhesive properties.
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CJ Biomaterials Expands Biobased PHA Technology to a New Food Product
South Korea’s leading convenience store chain CU launches new noodle cup coated with compostable, biodegradable PHA
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Masterbatches Reduce Gloss in PLA and PETG 3D Printed Products
Insight Polymers & Compounding’s two low-gloss additive masterbatches shown to boost appearance of 3D printed objects.
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Biobased Additives Compatible with Range of Commodity Resins
UBQ Materials has added sustainable additives compatible with a all commodity thermoplastics and PLA.
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Featured Posts
At NPE2024, Follow These Megatrends in Materials and Additives
Offerings range from recycled, biobased, biodegradable and monomaterial structures that enhance recyclability to additives that are more efficient, sustainable and safer to use.
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How to Optimize Your Molds and Hot Runners for Processing Bioresins
Demand for bioresins is growing in molded goods, particularly as a sustainability play to replace fossil-fuel based materials, but these materials are not a drop-in replacement for traditional materials. Molds and hot runners need to be optimized for these materials.
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How to Extrusion Blow Mold PHA/PLA Blends
You need to pay attention to the inherent characteristics of biopolymers PHA/PLA materials when setting process parameters to realize better and more consistent outcomes.
Read More
How to Optimize Injection Molding of PHA and PHA/PLA Blends
Here are processing guidelines aimed at both getting the PHA resin into the process without degrading it, and reducing residence time at melt temperatures.
Read More
Blend Amorphous PHA with PLA to Improve injection Molded Part Properties
Adding aPHA to PLA can boost a range of mechanical properties and expedite composting. Here are the details as well as processing guidelines for injection molding the blends.
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Why Are They Blending Biopolymers?
A sit-down with bioplastic producer Danimer Scientific showed me there are more possible answers to that question than I had previously thought.
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FAQ: Biopolymers
Global bioplastic production capacity is expected to increase to 4.8 billion lb by 2024, driven by OEMs and brand owners steadily converting applications to these “green” materials. If you’re looking to supply compounds to meet this demand, here are some key processing considerations you need to know:
1. Buy flexible extruders
2. Remember that biopolymers are typically hygroscopic
3. Consider that biopolymers are shear- and pressure-sensitive
4. Biopolymers degrade rapidly, making purging important
