Biodegradable Materials – Plastics: New Study Reveals Sustainability & Biodegradability Limits Latest scientific insights into oxo-degradable plastics raise fresh questions about their true eco-friendliness and long-term environmental impact 12-08-2025
Biodegradable Materials
Crude Oil Prices Trend
?Braskem Confirms Negotiations with Unipar
August 2025 – In-depth industry report on the potential sale of Braskem’s U.S. polyolefin plants.
? The Official Word from Braskem
Brazilian petrochemical giant Braskem has officially addressed recent rumors in the business press about a potential sale of its U.S.-based polyolefin plants located in Texas, West Virginia, and Pennsylvania.
In a short but carefully worded statement, the company confirmed that it is in discussions with Unipar Carbocloro regarding “potential opportunities” related to assets and equity interests. However, it stressed that such talks are part of normal corporate strategy and that the outcome remains uncertain. Biodegradable Materials
? What We Know – and What We Don’t
Braskem made it clear: there is no current agreement — binding or otherwise — between the parties, other than a confidentiality agreement designed to protect sensitive information.
Crucially, the statement did not specify exactly which assets might be involved. This lack of detail keeps the market guessing and leaves room for speculation among analysts and investors alike.
? Who is Unipar Carbocloro?
Unipar Carbocloro is one of South America’s major producers of PVC and chlorine alkali. The company has a history of strategic acquisitions and partnerships aimed at expanding its industrial footprint. Biodegradable Materials
Two years ago, Unipar approached Novonor — Braskem’s controlling shareholder — to explore purchasing a significant portion of Braskem’s stake. This isn’t the first time the two companies have been in the same strategic conversation.
? The Bigger Picture – Braskem’s Strategic Position
Braskem, headquartered in Brazil, is the largest producer of thermoplastic resins in the Americas and a global leader in biopolymers. The company’s U.S. operations give it critical access to the North American market, especially in polyolefins used in packaging, automotive parts, and consumer goods. Biodegradable Materials
The potential sale of U.S. plants could represent a significant shift in Braskem’s global strategy, potentially freeing up capital for new investments or reducing exposure to certain markets.
? Other Interested Parties
Unipar isn’t the only contender in the mix. Reports indicate that Novonor is also in talks with the investment fund Petroquimica Verde, controlled by Brazilian billionaire Nelson Sequeiros Tanure.
These overlapping negotiations suggest a competitive bidding atmosphere, which could influence both price and terms of any future agreement. Biodegradable Materials
? Implications for the Petrochemical Market
- Market Consolidation: A successful acquisition by Unipar could strengthen its market share and vertically integrate operations.
- Global Strategy Shifts: Braskem’s divestment might indicate a focus on core or emerging markets, possibly in sustainable materials.
- Investor Sentiment: Shareholders are watching closely for signals on profitability, debt management, and growth potential.
? Sustainability and Biodegradable Trends Biodegradable Materials
While the current talks are about traditional polyolefins, the broader petrochemical industry is increasingly investing in biodegradable materials and renewable alternatives. Braskem, for instance, has been a pioneer in green polyethylene made from sugarcane.
These moves align with global sustainability goals and could influence how future negotiations are framed — especially if buyers like Unipar see value in expanding into eco-friendly product lines.
? Key Takeaways
- Braskem has confirmed ongoing discussions with Unipar regarding potential asset deals in the U.S.
- No binding agreements have been signed, aside from a confidentiality pact.
- Multiple interested parties are in talks with Novonor about Braskem’s assets.
- Industry shifts toward sustainability could influence the strategic value of these negotiations. Biodegradable Materials
? What Happens Next?
Market watchers expect further developments in the coming months. Whether Unipar or another bidder secures the deal, the transaction could reshape competitive dynamics in the petrochemical sector.
As always in M&A scenarios, regulatory approval, financing arrangements, and strategic alignment will be key factors determining the outcome.
?Plastics: New Study Reveals Sustainability & Biodegradability Limits
Latest scientific insights into oxo-degradable plastics raise fresh questions about their true eco-friendliness and long-term environmental impact.
? Overview
Oxo-degradable plastics have long been marketed as a “greener” alternative to traditional petroleum-based plastics. Their manufacturers claim these materials break down under sunlight and heat, eventually being consumed by microorganisms and converted into carbon dioxide and water. Biodegradable Materials
But according to a recent peer-reviewed study led by Professor Davey Jones of Bangor University, Wales, these claims may not hold up—especially when plastics are buried in soil, where sunlight cannot reach.
? What Are Oxo-Degradable Plastics?
These plastics are standard polyethylene or polypropylene combined with small amounts of chemical additives called pro-oxidants. These additives trigger oxidation when exposed to UV light or heat, fragmenting the plastic into smaller pieces that—at least in theory—are then biodegradable.
However, Jones’ research highlights a critical gap: if the plastics are not exposed to sunlight, degradation slows dramatically, leaving persistent fragments in the soil.
? The Study at a Glance Biodegradable Materials
Published in: Frontiers of Agricultural Science and Engineering
Focus: Effects of oxo-degradable plastics on soil health and corn (maize) growth
Duration: 6 weeks
Variables: Microplastics vs. macroplastics at different concentrations
Researchers monitored key soil indicators—pH, electrical conductivity, and nitrate content—while tracking corn height, chlorophyll content, and biomass production.
? Impact on Soil and Crops
At low concentrations (similar to levels found in real agricultural fields), oxo-degradable plastics had minimal immediate effects on soil quality and corn growth.
But once concentrations exceeded 1% of soil mass, the changes were notable:
- ? Soil pH increased in microplastic-treated plots Biodegradable Materials
- ⚡ Electrical conductivity doubled
- ? Nitrate content rose significantly
Microplastics—due to their larger surface area-to-volume ratio—had a more pronounced effect than macroplastics, altering soil structure and chemistry more quickly.
? Crop Performance
High plastic concentrations reduced corn height and chlorophyll content, with microplastics showing stronger negative effects. Interestingly, overall biomass only slightly decreased at the highest levels, suggesting some crop tolerance—though long-term impacts remain uncertain.
? Degradation Limitations
Using infrared spectroscopy, researchers found that after six weeks in soil:
- Only mild chemical chain scission occurred
- No significant oxidation products (like ketones or aldehydes) were detected
This means that in the absence of light, oxo-degradable plastics degrade very slowly—leading to potential long-term accumulation in agricultural soils. Biodegradable Materials
? Microbial Response
Soil microorganisms—the engines of nutrient cycling—also responded negatively to microplastic exposure. While some microbial activity increased, this isn’t always beneficial; stress responses can alter soil ecosystem balance.
✅ Sustainable Alternatives
Professor Jones and his team recommend replacing oxo-degradable plastics with biodegradable polymers that have proven performance, such as:
- ? Polybutylene adipate terephthalate (PBAT)
- ? Polylactic acid (PLA)
These materials, when disposed of properly, offer faster breakdown and lower risk of microplastic accumulation. Biodegradable Materials
? Why Oxo-Degradable May Not Be ‘Eco-Friendly’
Jones warns that labeling oxo-degradable plastics as “eco-friendly” is misleading unless there is a guaranteed collection and reprocessing system in place. Without such infrastructure, these plastics are likely to persist in the environment, contributing to pollution rather than reducing it.
? Key Takeaways
- Oxo-degradable plastics degrade slowly in soil without sunlight
- High microplastic levels can alter soil chemistry and hinder plant growth
- More sustainable alternatives like PBAT and PLA are available
- Without proper waste collection, “eco-friendly” claims are questionable
? New Bausano E-GO R Extruders: A Game-Changer in Polyolefin Recycling
By Bausano • Updated for 2025 • Read Time: 8 min
The expanded line now offers 44, 47, and 50 L/D configurations, introducing eight new models designed to deliver unmatched throughput and efficiency.♻️ Built for the circular economy, the E-GO R range takes on the challenge of turning post-industrial and post-consumer plastic waste into high-quality pellets ready for re-use. Biodegradable Materials
⚙️ Technology Serving the Circular Economy
The E-GO R series blends advanced extrusion and repelletising technologies to process common polyolefins like HDPE, LDPE, and PP.
It can handle material from multiple waste streams, including heavily contaminated inputs.
Key throughput capabilities:
- ? Non-free-flowing material: 1,500 – 1,800 kg/h
- ? Free-flowing material: 1,700 – 2,000 kg/h
Available in sizes from 45/37 L/D to 210/37 L/D, the E-GO R series is ready to meet the increasing demands of recycling facilities worldwide.
? Perfect for Moisture-Rich Materials Biodegradable Materials
Lightweight materials with up to 5–6% moisture content are no problem for the E-GO R.
Its high-performance dual degassing system removes both moisture and volatile substances during processing.
✅ This prevents defects like air bubbles in the final pellets — a critical factor in achieving a consistent, premium-grade output.
The precision screw design, honed through decades of Bausano expertise, minimises mechanical stress on input materials, preserving the integrity of the molten compound.
? Custom Downstream Accessories for Maximum Performance Biodegradable Materials
Every E-GO R line comes with a material dosing system tailored to the processed material’s characteristics:
- Flat-bottom hopper — volumetric feeding
- Forced-feeding hopper — compacts material before extrusion
The extrusion line can be configured with either a:
- ? Water bath pelletising system
- ? Liquid ring pelletising system
This flexibility ensures optimal pellet size, density, and consistency across different recycling workflows.
? Designed for PPWR Compliance
With the Packaging and Packaging Waste Regulation (PPWR) approved in April 2024, recycling facilities face stricter quality and integration requirements.
“To meet the objectives of PPWR, companies must invest in efficient solutions capable of reintegrating highly contaminated plastics — often with high moisture and impurity levels — into the production cycle,”
— Marco Masiero, R&D and Test Extrusion Manager, Bausano
Bausano positions itself as a strategic partner in this transition, offering the expanded E-GO R portfolio to meet both environmental and economic goals. Biodegradable Materials
? Where to See the E-GO R in Action
Visit Bausano and their exclusive UK partner Intelicare at K 2025 —
Hall 16, Stall B70 — for live demonstrations and in-depth technical discussions.
? Contact: +44 (0) 7815 921 951
? Website: Bausano Official Site
✉️ Email: info@bausano.com
? Why This Matters for Industry Leaders
The new E-GO R range doesn’t just recycle — it redefines what’s possible in the industry:
- ♻️ Supports the shift to a circular economy
- ⚡ Increases throughput without sacrificing quality Biodegradable Materials
- ? Helps businesses comply with new EU packaging waste regulations
- ? Reduces environmental footprint of plastic processing
- ? Offers measurable ROI with advanced material handling
? Final Takeaway
From handling moisture-rich materials to delivering regulatory compliance, they empower recyclers to process more, waste less, and achieve better quality outputs.
♻ Recycled Plastics in Beverage Packaging: Advantages & Challenges
✅ Advantages of Using Recycled Plastics
Recycled plastics, especially PET (Polyethylene Terephthalate) and HDPE (High-Density Polyethylene), are increasingly favored for mass-produced beverage bottles and caps. Here’s why:
- ? Lightweight & Durable – Easy to transport, handle, and store, cutting shipping emissions and costs.
- ♻ Recyclability – PET and HDPE can be processed multiple times, reducing virgin material demand.
- ? Cost-Effectiveness – Despite rising recycling costs, plastics remain relatively affordable for mass production.
- ? Reduced Oil Dependency – Less reliance on virgin oil-based plastics lowers fossil fuel demand. Biodegradable Materials
⚠ Challenges & Limitations
Despite their potential, recycled plastics face obstacles that can undermine their benefits.
- ? Global Recycling Gaps – According to the OECD (2019), only 9% of plastic waste is recycled worldwide. The rest is incinerated, burned, dumped, or sent to landfills.
- ? Mechanical Degradation – Each recycling cycle weakens the material, reducing mechanical strength and quality.
- ? Regulatory Uncertainty – Frequent updates to UK/EU rules demand rapid compliance, increasing costs for manufacturers.
- ? Traceability Issues – Tracking recycled plastics from collection to bottle production requires robust, integrated systems — currently fragmented.
- ⚕ Health Risks – Microplastics and chemical leaching pose risks to ecosystems and potentially human health. Biodegradable Materials
- ? High Processing Costs – Recycling can be more expensive than producing virgin plastics, reducing incentives for companies.
- ? Food Safety Concerns – Contaminated plastics can leach chemicals or harbor bacteria, requiring stringent quality controls.
? Balancing Sustainability & Practicality
Recycled plastics can support circular economy goals — but only if backed by strong infrastructure, investment, and consistent quality assurance.
Key steps for industry success include:
- ? Upgrading recycling facilities for better sorting and purification.
- ? Implementing closed-loop systems to reuse plastics in the same product lines.
- ? Testing structural integrity to ensure safety and performance.
- ? Designing packaging that is easier to recycle without sacrificing brand identity. Biodegradable Materials
Ultimately, achieving an optimal mix of recycled and virgin plastics will require long-term commitment, cross-sector collaboration, and ongoing research into material science innovations.
? Industry Data Snapshot
As shown above, plastic waste management remains a global challenge. The gap between virgin plastic production and recycling rates is still enormous — underscoring the urgency for improved systems.
? References & Regulations
- EU Directive 2019/904 – Single Use Plastic & Labelling Requirements
- EU Regulation (EU) 2022/1616 – Recycled Plastics for Food Contact
- EU Directive 94/62/EC – Packaging & Packaging Waste Biodegradable Materials
- OECD (2019) – Only Nine Percent of Plastic Recycled Worldwide
- PPWR (EU 2025/40) – Packaging and Packaging Waste Regulation
♻️SK Chemicals & Seoul City Join Forces for 100% Waste Banner Recycling by 2026
Date: August 12, 2025
In a bold step towards a greener Seoul, SK Chemicals has partnered with the Seoul Metropolitan Government to launch a circular recycling initiative for waste banners. The project aims to turn discarded banners into high-quality reusable materials — and eventually recycle them indefinitely.
? A Groundbreaking Memorandum of Understanding
On August 6, SK Chemicals announced it would sign a Memorandum of Understanding (MoU) with Seoul City to promote the circular recycling of waste banners. This is the company’s second such agreement this year, building on a partnership formed last month with the Ministry of the Interior and Safety and five local governments. Biodegradable Materials
Last year, SK Chemicals also inked a similar deal with Gunsan City — showing a clear commitment to building a nationwide recycling network.
?️ Centralized Collection Through the Seoul Resource Center
Under the agreement, Seoul will create a centralized collection system for waste banners, using the Seoul Resource Center (SR Center) as the hub. Initially designed for small electronics recycling, the SR Center will now handle banner collection as well.
- Step 1: Waste banners collected by local districts will be delivered to the SR Center.
- Step 2: SK Chemicals will take these banners for recycling.
- Step 3: Advanced technologies will transform the waste into reusable materials. Biodegradable Materials
The collection program will launch in Yongsan-gu this year, before expanding citywide. By 2026, the scope will include banners from local elections — fully integrating them into a closed-loop recycling system.
? Advanced Recycling: From Waste to High-Value Materials
SK Chemicals will use two main recycling methods:
- High-value mechanical recycling (compounding): Breaking down banners into raw plastic that can be remanufactured.
- Chemical recycling (depolymerization): Reducing plastics to their molecular level so they can be used to create materials of virgin-equivalent quality.
This “Banner Closed Loop” approach means that the same banner material can be recycled repeatedly without loss of quality. It’s a major leap in sustainable waste management. Biodegradable Materials
? Why This Matters: The Waste Banner Problem
?? In South Korea, around 6,000 tons of waste banners are produced every year — and nearly 70% end up in landfills or are incinerated.
Both landfilling and incineration have carbon and environmental costs. This new recycling initiative directly addresses these issues by:
- Reducing landfill dependency.
- Lowering carbon emissions.
- Creating a sustainable supply of raw materials. Biodegradable Materials
? Voices from the Partnership
A Seoul City official highlighted the initiative’s long-term value:
“If the technology that enables waste banners to be recycled into new ones is successfully applied, it could serve as a fundamental solution to the waste banner issue, reviving discarded waste into reusable resources while enabling repeated recycling.”
SK Chemicals CEO, Ahn Jae-hyun, reinforced this commitment:
“Our circular recycling technology will serve as a key solution to the challenging task of reducing waste, including waste banners. By collaborating with Seoul City, local governments, and stakeholders, we will expand the circular resource infrastructure and rapidly establish a virtuous recycling ecosystem.”
? Past and Ongoing Initiatives
Since 2024, SK Chemicals has been steadily building partnerships to tackle the waste banner problem:
- August 2024: Agreement with Gunsan City for waste banner recycling.
- June 2025: Partnership with the Ministry of the Interior and Safety plus five local governments (Sejong, Gangneung, Cheongju, Naju, Changwon).
- August 2025: Current MoU with Seoul City. Biodegradable Materials
This multi-step approach positions the company as a leader in circular economy innovation.
? Environmental & Economic Impact
The benefits of this program extend beyond environmental gains:
- ? Cost savings from reusing materials instead of sourcing virgin plastics.
- ? Reduced carbon footprint through decreased landfill and incineration use.
- ? Industry innovation by setting new recycling standards. Biodegradable Materials
? The Road Ahead
The ultimate goal is clear: 100% waste banner recycling by 2026. The project’s phased approach — starting small, then scaling — ensures operational efficiency and community engagement.
By integrating advanced chemical recycling, Seoul City and SK Chemicals are proving that urban sustainability is not just a dream, but an achievable reality.
?ICCA Expands Plastic Additives Database – A Global Step Towards Transparency Biodegradable Materials
Geneva, INC-5.2: The International Council of Chemical Associations (ICCA) has unveiled a major expansion to its Plastic Additives Database – now boasting more than 4,500 verified references – in a move aimed at boosting transparency, chemical safety, and regulatory alignment worldwide.
?Why This Matters Biodegradable Materials
Plastic additives – substances integrated into plastics to enhance durability, flexibility, or functionality – are used in countless everyday products. But understanding their safety profiles and regulatory compliance has long been a complex challenge.
The latest update to ICCA’s Plastic Additives Database offers a centralized, reliable, and publicly accessible source of information for governments, researchers, NGOs, and regulatory bodies. By including toxicology data, compliance references, and international regulatory listings, the database serves as a powerful tool for evidence-based decision-making. Biodegradable Materials
?The Scale of the Update
- 4,549 plastic additives analyzed in total.
- 94.5% appear in at least one major regulatory inventory worldwide.
- 90% have accessible toxicological data – critical for risk assessments.
- Designed for both desktop and mobile access to meet global accessibility needs.
This comprehensive scope makes ICCA’s database the most complete resource available internationally today for plastic additive information.
?Commitment to Transparency & Responsible Management Biodegradable Materials
ICCA officials emphasize that this expansion is more than just a data upload – it’s a demonstration of the chemical industry’s commitment to safe and responsible chemical management. According to Marco Mensink, ICCA Secretary and Director General of Cefic:
“By aggregating and sharing this information, we support more informed management of chemicals globally. Biodegradable Materials
This demonstrates the industry’s commitment to transparency and improving global chemical governance.”
?Global Context: The Plastic Pollution Treaty
The announcement took place during INC-5.2 in Geneva – a key step in the ongoing negotiations for a global treaty against plastic pollution. By supplying transparent, verified data, ICCA aims to bridge information gaps and provide regulators with the evidence needed to shape effective, science-based policies.
✨Features That Make the Database Stand Out Biodegradable Materials
- Centralized Access: One platform for verified chemical safety data.
- Multi-Stakeholder Utility: Serves governments, academia, NGOs, and media.
- Regulatory Alignment: Cross-references global compliance lists.
- Regular Updates: ICCA plans ongoing data enrichment and feature expansion.
- Free Registration: Accessible at iccadatabase.com.
Looking Ahead ?
ICCA confirms that the Plastic Additives Database will continue to evolve – both in terms of data depth and functional features. Future upgrades may include interactive dashboards, predictive analytics for chemical safety, and multilingual support for broader global reach.
