The SPE Library contains thousands of papers, presentations, journal briefs and recorded webinars from the best minds in the Plastics Industry. Spanning almost two decades, this collection of published research and development work in polymer science and plastics technology is a wealth of knowledge and information for anyone involved in plastics.
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Acrylic Impact Modifiers for PVC: Core-shell modifier chemistry and performance
Part 2 of the All Things PVC Workshop series. The speaker will review the basics of core-shell chemistry focusing on acrylic technology and its advantages for mechanical property improvement and weatherability in PVC formulating. Core principles of mechanical property improvement via stress concentrators for PVC matrices and formulations will be presented. In addition to rheology and mechanical property enhancement via acrylic chemistry, the presentation will also provide perspective on choosing the best impact modifier based on specific formulation needs or application types where standards vary based on the final needs of the vinyl building product, for example. The talk will follow-up on the principles covered in the introduction to PVC Gelation and Formulation.
Introduction to PVC Gelation and Formulation
Part 1 of the All Things PVC Workshop series. While introducing the general properties of PVC suspension resin that make it unique for processors, the speaker will discuss why PVC formulations can get complicated and present so many options for optimized processing and customization by application. The focus will mostly revolve around suspension PVC for rigid vinyl applications, but touch upon some basics of plasticized or flexible vinyl as well. The speaker will talk about gelation theory, why lubricant balance is important and how different additives can influence rheology, mechanical performance, and even weatherability. The talk will be an introduction to PVC overall but also a lead-in for the next workshop, an introduction to acrylic impact modifiers and core-shell modifier chemistry.
Polypropylene: Commodity Resin, I Don't Think So
Polypropylene is often referred to as a “commodity resin”, however, is this really the case? Polypropylene is a versatile thermoplastic that can be processed through a variety of processing techniques. It is utilized in a wide range of applications, including packaging, automotive, infrastructure, appliances, healthcare, and electrical. Its wide use is based upon several key strengths, including:
A Walk Through Kistler's Innovation – From the Sensor To Data Driven Decision Making In A Connected Production
Have you ever wondered how Kistler defines “Measure, Analyze, Innovate and Optimize”? Learn how Kistler has adapted the everchanging engineering and manufacturing industries in an educational webinar hosted by Dr. Robert Vaculik, Head of Business Unit Plastics and Society of Plastics Engineers: A walk through Kistler’s innovation – from the sensor to data driven decision making in a connected production. Overview:
Capillary Rheometry: Application to Extrusion
In this webinar, we will explore the advantages of capillary rheometers for extrusion application through specific processing and equipment design examples. While some materials like polyolefins can have straightforward flow behaviors, other more complex materials and compounds involved in the extrusion of film and sheet products can exhibit non-typical flow behaviors for which capillary rheometry is a critical characterization tool. We will review the advantages of capillary rheometry over other rheological characterization techniques, and we will also discuss some of the challenges and limitations of the capillary measurements.
Interviewing for the Virtual World Workshop
This event is for everyone from fresh out of school to looking for a new role! The day will begin with an interviewing tips presentation hosted by David Peterson and Ashley Gannon from Direct Recruiters. As experts in the interview process, David and Ashley will share best practices for nailing the interview, whether in person or over video conference. Following the Interview Best Practices, we will be hosting a panel discussion hosted by three experienced SPE members in the Plastics Field. The panelists will cover what they look for during the interview process and provide tips for ways to stand out during the interview. After the panel, we will open it up to a live Q&A!
Plastic Bag Recycling: The Obaggo Story
Dave New, founder of Obaggo Recycling, will tell the story of his journey to bring a novel plastic bag recycling solution to the mass market. He will discuss the genesis of the idea, the trials and tribulations of prototype development, and the epic search for project support and funding. A fundamentally entrepreneurial story, Dave will talk about the world of start-up accelerators, b-plan competitions, and how he navigated a vast landscape of stakeholders, cheerleaders, and naysayers.
Resume for the Virtual World Workshop
This event is for everyone from fresh out of school to looking for a new senior role! An expert panel (including someone who hires new graduates, someone who hires seasoned professionals, and an HR specialist in the plastics field) panel will introduce their top 3 tips for making your resume sell the best you! After a great discussion on what it takes to have a competitive resume in the world of digital filter systems, we will open it up to a live Q&A! Stick around for the second hour to dive deeper with the panelist of your choice and if you are bold enough, to have them work directly on your resume!
Fractography of Glass Reinforced Plastics
The goal of a failure analysis is to identify the mechanism and cause of the component failure - to distinguish how and why the part broke. A fractographic examination is an essential part of this investigation, particularly in identifying the failure mode. Cracking occurs as a stress relief mechanism as a response to the exertion of stresses on a component. Glass fiber reinforced plastics offer enhanced mechanical properties, particularly strength and stiffness over unfilled materials. Their use is widespread in a wide variety of applications where mechanical integrity is essential. However, fractographic evaluation of these materials often presents a challenge due to the confounding effect of the fibers. The fibers can obscure the fracture surface features arising from:
Less is More: How to Maximize Energy Savings in Plastics Processing - Part 2
This is the second part of a two-part webinar. This webinar will address behavioral and organizational approaches to industrial energy management. Josh will explain how manufacturing companies can implement energy programs, both through proven best practices and through local and regional utility funding programs.
Thermal Analysis of Plastics
Thermal analysis is an important group of tests used in the analysis of plastics and other polymeric materials. It consists of a family of well-established techniques that evaluate material properties as they change with temperature, time, and ambient environment under conditions of thermal programming. The results of thermal analysis tests provide qualitative and quantitative information about the material being evaluated. In particular, this information is important to address plastic failures or in characterization of the material composition and physical properties. The upcoming webinar on thermal analysis will introduce the four primary techniques:
Less is More: How to Maximize Energy Savings in Plastics Processing - Part 1
Wasted energy is wasted profit. In these webinars, plastics engineers, plant managers, and financial managers will learn about the typical opportunities to save energy at plastics plants. In the first webinar, Josh Bachman and Pamela BIrkel will share energy savings opportunities that have been uncovered over the years. They will also share case studies of successful projects, many of which were funded by the local utility.
Environmental Stress Cracking
Environmental stress cracking (ESC) is the leading cause of plastic component failure, and a recent study suggests that 25% of plastic part failures are related to ESC. If you deal with plastic components, then “Environmental Stress Cracking of Plastics” will provide you with information that will enhance your understanding of the interaction between chemicals and plastic resins, with the goal of preventing part failure. ESC is a solvent-induced failure mode in which a plastics crack through contact with a chemical agent while under stress. The webinar will be presented from a practical viewpoint with actual case studies to illustrate the ESC mechanism and explain plastic performance. Topics covered during this session include:
Formulating Thermoplastics with Non-Halogen Flame Retardants: An Introduction
Medical Plastics: Making the Right Choice
This presentation will include important design parameters that should be considered when specifying a plastic for a medical device. It will also recommend resources for aiding you during the selection process. The interrelationships between polymer structure and physical properties will be highlighted as well as polymer classifications. Examples of medical devices will be included toward the end of the presentation demonstrating how this information can be applied to real world applications.
The Consequences of Ductile-To-Brittle Transitions in Plastics
Thermoplastic resins are utilized in many applications because of their unique property set, including their ductile response to applied stress. This ductility is associated with the viscoelastic nature of polymers and is attributed to their unique molecular structure. In spite of that inherent ductility, most plastic components fail through one of the many brittle fracture modes. Experience through conducting thousands of plastic component failure analyses has shown that less than 5% were associated with ductile overload. The remainder represent brittle fractures of normally ductile materials. Thus, within evaluations of plastic component failures, the focus of the investigation frequently turns to identifying the nature of the ductile to brittle transition. This relatively brittle response to stress is evident through the examination and characterization of the fracture surface morphology. There are numerous factors, associated with material, processing, design, and service conditions that influence a ductile-to-brittle transition within plastic materials. These include:
Taking out the Trash, Plastics Design for the End-of-Life
Nothing lasts forever. Great products might not last forever, but they usually last a long time. But no matter how great the product is, there will come a point in time where a thing no longer has any value. It then becomes waste. To be thrown in the trash. And then what? How do you design a product to account for its expected end of life? Or an unexpected end? How do you evaluate materials based on what happens at their end of life? What tools are there? How to use them? What’s next? For plastics, and for the industry.
Life Cycle Assessments: Why and How?
The webinar will give a high-level overview of the basic process, concepts, and calculations involved in carrying out Life Cycle Assessments in accordance with the international standard ISO 14044. It will further showcase LCA studies performed for industry to demonstrate the business value that can be derived from such studies in product development and marketing. The target audience includes process engineers, product designers, product managers, sustainability professionals, and anyone interested in ways to quantify the environmental performance of goods and services.
The Life of a Plastic Color
With increasingly complex color palettes and other specifications like flame retardation and recyclability coming into play, plastic color can be challenging to produce. However, with the right tools, processes and basic color understanding at hand, color doesn't have to be a burden in producing plastic product. During this webinar hosted by SPE, X-Rite Pantone color experts will help you understand the life of a plastic color and how your particular role in that lifecycle can help expedite the product development process, from inspiration and design all the way through final quality control. Key Learnings include:
Navigating Plastic Material Selection
Material selection is one of the fundamental aspects that will determine the success or failure of a product. With so many choices available today regarding plastic materials, it is imperative that anyone involved in product design or material selection understand resin properties and how they will affect end product performance as well as part design and manufacturability. While plastic material selection is a frequent topic of discussion, it is not as simple as it may first appear. A thorough understanding of the short-term and long-term properties of the potential plastic resins is essential. To help make the best plastic resin choice, is also essential to have a basic knowledge of polymer chemistry. This webinar will address some of the considerations that need to be made when selecting a plastic resin, and outline the challenges and benefits of selecting an appropriate material. The presentation will introduce a method of systematic selection that will optimize the plastics material selection process.
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