What does 2020 hold for the plastics industry? Several trends that emerged in 2019 continue to be refined and amplified:
OEMs are assuming more responsibility for sustainability by working with suppliers that are committed to low- or zero-waste initiatives and the use of recycled materials. Injection molders are tasked with refining processes to include scrap reduction and/or recycling to aid the circular economy, along with introducing more earth-friendly resins and additives into projects as appropriate.
The environmental impact of traditional resins remains under close scrutiny, leading many manufacturers to reconsider their approach to selecting materials. Bioresins are gaining traction as alternatives since they’re all based on natural plant and vegetable extracts or renewable resources, which aid in green practices through benefits such as safer disposal, energy-efficient manufacturing and decreased toxic emissions.
Along with developing plastic substitutes, solutions for making conventional thermoplastics biodegradable are coming to the fore. Prodegradant concentrates (PDCs) in the form of metal compounds, such as cobalt stearate or manganese stearate, are being added to plastic to promote oxidation and disintegration. In turn, the plastic breaks down into tiny fragments that microorganisms ingest and convert into carbon dioxide, water and biomass, without the threat of harmful residues.
At the end of 2019, the projected value of the global reinforced plastics market was estimated at nearly $16 billion. Carbon, glass, metal and graphite-reinforced plastics are perhaps most notably embraced by the automotive industry as substitutes for metal components. However, they are also gaining popularity in medical and defense applications for their low weight, durability and design versatility.
Given mandates surrounding improved gas mileage in traditional vehicles and longer battery life for hybrids and electric cars, lightweighting remains a key focus for automotive OEMs in 2020. However, the auto industry isn't the only one requiring a switch to slimmer, lighter weight injection-molded plastic parts. Medical OEMs are seeing shifts in how plastics are used within their industry, largely in concert with advanced technologies. There are a myriad of internal applications (stents, joint replacements, mesh scaffolds, etc.) for specialized medical-grade plastics, but there is also an uptick in the call for injection-molded tools, equipment, and devices to better manage the increasing mobility of healthcare, the associated costs, and outcomes.
3D printing is improving many aspects of plastics manufacturing and remains a catalyst for reimagining options for plastic parts. While in some cases 3D printing is not a viable alternative to injection molding, advancements in the technology are leading to some impressive results with direct benefits for certain OEMs, including:
Automation is meeting the plastics industry demand for process simplification and cost savings. The advent of Industry 4.0 provides prime opportunities for further integration of robotic technologies and machine controls in order to:
Understanding how the plastics industry is evolving helps manufacturers capitalize on plastics trends. So does partnering with an experienced custom injection molder to assist in implementing solutions that help ensure end products perform as intended, and get to market when needed. Read our guide, 5 Steps to Get New Injection Molded Products to Market Faster, to learn more.
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