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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Open-Cell Foaming Of Pp/Ptfe Fibrillated Composites
In the study. PP/PTFE composites with different degree of fibrillation were prepared. Crystallization and rheology behavior was investigated. The presence of PTFE fiber enhanced the kinetics of isothermal crystallization of PP. The second modulus plateau at the low ω and a tan δ peak indicates the existence of a three dimensional networks. Extrusion foaming results shows that addition of PTFE increase a 2 orders increase in cell dencity and 10-fold decrease in expansion ratio due to addition of PTFE compared to that of PP. With PTFE nanofiber, open-cell content of the composites was increased.
New High Strength Low Density Glass Bubble Products For Ultra-Lightweight Composites
3M Company is continuing to develop new high strength to density ratio 3MTM Glass Bubbles for use in thermoplastics and thermosets. Recently launched new products can be applied to Sheet Molding Compound (SMC/BMC), paints and coatings, plastisol, additive manufacturing, extrusion and injection molding.
Advanced Materials For Increasing Output And Reducing Energy
New patented technology to increase throughput in extrusion and injection molding. This technology can be used in any thermoplastic system to increase speed and improve additive distribution, while stabilizing the process reducing scrap from variation.
Use And Utility Of Metal Soaps In Polyolefins
Metals soaps, such as calcium stearate and zinc stearate, are commonly used as additives in polyethylene and polypropylene. They are most commonly used as antacids but are also used as lubricants, mold releases, tracer elements, and antistatic agents. A general discussion of the types of available metals, soaps, and considerations for choosing them will be given. A general discussion of how metal soaps are made and special properties of certain soaps will also be covered.
Nucleation Of Semi-Crystalline Polymers With Minerals
A study has been conducted to determine the effect of minerals, mineral loading, and time/aging on the nucleation of semi-crystalline polymers including polypropylene and nylons. The performance of talc, mica, wollastonite, and kaolin will be covered including the effect of parameters such as particle size and morphology. Differential Scanning Calorimetry (DSC) data will be presented as well as mechanical properties of the semi-crystalline polymers.
Preventing Plastic Failure
Preventing Plastic FailureRights are already granted to publishing house Carl Hanser Verlag of Munich, Germany
Knowledge-Based Product Planning And Designing Of Injection-Molded Parts
This paper presents a procedure for an integrated design process regarding injection-molded parts. The support of the designer occurs from a knowledge-based production process and material selection, throughout the designing to a rheological part optimization. Techniques of the model-based systems engineering (MBSE) were used for the acquisition of requirements as well as for the development of this supporting system. For validation, selected methods are implemented and tested in a CAD-system.
Influence Of Gas-Counter Pressure On The Foaming Behavior And The Cell Morphology Of Flexible Polyurethane Foam
Discontinuously produced polyurethane (PU) foams can be found in various applications and branches. Typically used blowing agents show significant economic or ecologic disadvantages. Using CO2 as a sustainable blowing agent displays different processing challenges. In this context the influence of gas-counter pressure, which is introduced in the cavity of the mold before injection, and of the CO2-amount on the foaming characteristics and the foam-morphology have been analyzed.
New Solutions For Light Stability Of Pe In Rotomolding - Ver. 2 - 9Th Jan 2018
'- Rotomolding market overview- Market segments and requirements- Present solutions for UV stabilization- Development of a "new systems" with superior UV resistance: EXP UV 0117 and 0217 and EXP blends- Summary of recommendations: For both general applications and those with special requirements
Improve The Performance Of Your Retort Flexible Film
In this presentation UBE will talk about the challenges of using flexible barrier films replacing traditional retort packaging and the research done to develop the right structuctures and Nylon materials to overcome these challenges.
Biopolymer Compounds For Applications Requiring Marine Degradation
The development of a biopolymer netting for the establishment of new oyster beds in intercoastal waterways is described. The netting secures the growing oysters for 18 months before biodegrading to allow the oyster bed to grow. The establishment of multiple beds will improve the water clarity and promote the growth of seagrass.
Schulamid High Performance Nylon For Fuel System Applications
Schulamid 612 compounds have low moisture absorption, good chemical resistance, and no oligomers extractions comparing nylon 12. They are suitable for fuel system applications and are good alternatives to nylon 12 compounds. This presentation describes Schulamid 612 compounds portfolio and application examples.
Advances In Wear And Friction Solutions
This presentation reviews some of the basic approaches to improving wear and friction performance in thermoplastic compounds and introduces some newer ideas in non-halogenated wear compounds.
Accelerated Weathering Insights Into Asa Polymer Uv Resistance: Xenon Vs Quv Vs Florida And Arizona
This presentation compares the differences in color and gloss retention between QUV, Xenon, Florida and Arizona testing for 4 different Acrylate-Styrene-Acrylonitrile (ASA) polymers in white, almond and black colors. The results show the similarities and differences between the accelerated weathering test methods versus Florida and Arizona four-year test results leading into a discussion of performance lifetime predictability for the ASA materials studied.
Xenoy™ ENH2900 For High Chemical Resistance & Non-Br/CL FR Applications
SABIC XENOY ENH2900 resin provides a unique value proposition to meet application requirement of excellent chemical resistance and non-Br/Cl flame retardant.
Cooling-Free Valve Gating
Cooling-free pneumatic valve gate hot runners offer all the advantages of air actuation without the limitations associated with water cooling, hydraulic systems or electric actuators. New products like Rheo-Pro® iVG™ internal valve gate nozzles and Rheo-Pro® Black Box™ actuators are ideal for all valve gate hot runner applications, including high-temperature and cleanroom molding. These products perform under even the most extreme operating conditions by doing away with elastomeric seals, lubricants, and cooling. This new technology represents the future of automated, high performance injection molding.
Sabic Thermocomp™ High Modulus Ductile (Hmd) Portfolio
SABI HMD Portfolio Helps Customer Achieve Challenged Structural Design by providing high ductility, long term aging and dimensional stability.
Enhancement Of Protective Packaging Films With Cyclic Olefin Copolymers (Coc)
Cyclic olefin copolymers (COC) provide film manufacturers and converters with an opportunity to create thin, stiff, and high barrier protective packaging products. Protective packaging is an excellent illustrative application to showcase COC as effective and efficient polyethylene modifier. Key COC performance benefits include low nitrogen and water permeability, higher stiffness, lower tear resistance and broad heat sealing window.
The New Discovery DMA850 From Ta Instruments
TA Instruments is the world leader in rheology and thermal instruments. One of our thermal/rheology instruments is the dynamic mechanical analyzer (DMA). For several years, the Q800 DMA has been the leader among DMA instruments, but, in late 2017, TA Instruments introduced the new Discovery DMA850 as the next generation DMA. The capabilities of this instrument, along with a comparison of its performance against the Q800 DMA, will be presented.
Impact PP Copolymers For Home Appliance Applications
Impact PP Copolymers for Home Appliance Applications discusses some of SABIC's offerings for both high flow impact copolymers PP and high glass and scratch resistant impact copolymers pp.
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