polymerguru

Today's KNOWLEDGE Share BISMALEIMIDE RESIN (BMI): Bismaleimides monomers are synthesized from maleic anhydride and an aromatic diamine and then, the resulting bismaleamic acid is cyclo-dehydrated to a bismaleimide resin.BMI resins are a type of high-performance thermosetting polymer that possesses exceptional mechanical and thermal properties. These resins are characterized by their high heat resistance, flame resistance, and dimensional stability, that are suitable for a wide range of applications mainly withstanding extreme conditions. BMI is easy processing by autoclave, platen press, and compression molding techniques, excellent mechanical properties up to 250 °C, good solvent resistance, excellent performance in hot and wet conditions superior flame and radiation resistance, low smoke and toxicant emissions. Processing techniques include prepregging resin transfer molding (RTM), filament winding,compression molding, powder coating and pultrusion. The drawback of the BMI resins...

INEOS produced bio-based high-density polyethylene (HDPE) has been used to create the world’s first fully sustainable gas pipeline. Installed by French gas utility network operator, GRDF, the pipeline only uses the low carbon footprint polymer. Made from Wood Processing Residues from Paper Industry: The new pipeline is in Clermont Auvergne Métropole, France. It is part of a GRDF program to “green” pipelines in parts of the region. The goal is to reduce their carbon footprint. One kilometer of pipeline will be laid across three sites in the metro area gas network. The pipeline uses bio-based, certified HDPE supplied by INEOS Olefins & Polymers Europe. It’s made from wood processing residues from the paper industry, which are transformed into tall oil, a bio-naphtha. INEOS Cologne turns the tall oil into bio-ethylene. It is transported to INEOS’ polymer plant in Lillo, Belgium. There it makes the bio-based HDPE. The result is a polymer with a much lower carbon footprint than conv...

  Specialty Chemicals Market: I have completed an assignment on the Specialty chemicals market, demand and forecast when comparing with the existing grades for Chinese market for a well-reputed market research company and shared my insights on Specialty chemicals mainly antioxidants and other additives market in chinese region..And also share inputs on existing trends,pricing,new entrants strategy,new applications segment, capacity and comparison over other competitors in the global market. I have covered an overview of the landscape of the Chinese market, key players of dominance with their established grades in various applications in the Chinese market. #specialtychemicals #marketresearch #china #pricingstrategy #anitoxidants

Today's KNOWLEDGE Share So, let's say you "do" Flow Analysis and want to compare it to actual shortshots... Most people would look at "isochrone" lines, a representation of flow front position vs. time, as "shortshots". But have you ever thought about what really happens when you experimentally produce a shortshot ? You essentially partly fill the cavity and just...stop there, with no packing. Sure.. But when you stop, you might have 1000 bars at the gate, so depending on how you exactly control your screw, your flow front will keep moving due to the expansion flow, producing a shortshot possibly very different from the transient front position at the very moment you stopped. This expansion flow is not velocity controlled and may produce a very strange end of flow, possibly showing fake weldlines, when thickness distribution is complex. So simulation doesn't show a weldline where, possibly, experiment does. The key to correctly simulating a sho...

Researchers at Rensselaer Polytechnic Institute have developed a strain of bacteria that can turn plastic waste into a biodegradable spider silk with multiple uses. Their new study marks the first time scientists have used bacteria to transform polyethylene plastic — the kind used in many single-use items — into a high-value protein product. That product, which the researchers call “bio-inspired spider silk” because of its similarity to the silk spiders use to spin their webs, has applications in textiles, cosmetics, and even medicine. Engineering Bacteria to Convert Carbon Atoms of PE into a Silk Protein “ Spider silk is nature’s Kevlar,” said Helen Zha, Ph.D., an assistant professor of chemical and biological engineering and one of the RPI researchers leading the project. “It can be nearly as strong as steel under tension. However, it’s six times less dense than steel, so it’s very lightweight. As a bioplastic, it’s stretchy, tough, nontoxic, and biodegradable. ” All those attributes...

Today's KNOWLEDGE Share High-Performance Polymers for Medical Devices High-performance polymers have gained significant attention in the field of medical devices due to their unique properties and advantages.Here are some reasons why high-performance polymers are a great alternative for medical devices: Biocompatibility: High-performance polymers, such as PEEK, FEP, PFA, and PPSU, are inherently biocompatible. They do not trigger adverse immune responses or toxicity when in contact with biological tissues, making them suitable for implants and other medical devices that interact with the human body. Lightweight: Polymers are generally lighter than metals, making them ideal for applications where weight reduction is critical, such as orthopedic implants and prosthetics. Lighter devices can improve patient comfort and reduce the risk of complications. Corrosion Resistance: High-performance polymers are highly resistant to corrosion and chemical degradation. This property is advantage...

The ECORISE™ PLA spunbond nonwoven developed by Mitsui Chemicals Asahi Life Materials Co., Ltd. has been adopted as a packaging material for tennis racquets sold by sporting goods manufacturer Yonex Co., Ltd. ECORISE™ will be used for the packaging of tennis racquets slated for a rolling global launch starting February 2024. Ultrasonic Welding Technology Facilitates Eco-friendly Packaging: Yonex is pursuing eco-friendly production as a part of its sustainability efforts, which is seeing the company look to minimize packaging for all sorts of products while keeping a close eye on any impacts on transportation times and quality assurance. For this latest initiative, Yonex is discontinuing the nylon cases it has previously used for its tennis racquets in favor of packaging that uses ECORISE™. This will reduce the use of materials made primarily from petroleum-derived plastic. The use of embossing technology for the Yonex logo, and of ultrasonic welding technology for the production of the...

Today's KNOWLEDGE Share A growing amount of new polyethylene (PE) capacity will come from sustainable plastic made from recycled materials or renewable feedstock, according to forecasts that Dow published on Thursday. The new capacity will meet growing demand, which Dow expects will continue rising at a multiple of 1.2-1.4X of GDP. The following chart shows Dow’s forecast for PE demand growth and the composition of new capacity. A large portion of PE made with petroleum will be associated with carbon fees. Total fossil-based demand will continue to grow at 2-3%, Dow said, with a bias towards low and zero carbon production. DOW’S FORECASTS POINT TO FEWER TRADITIONAL PE PLANTS If Dow’s forecasts hold true, then the world will need fewer crackers and traditional PE plants. By 2050, a large portion of sustainable PE production will be made up of mechanical recycling. Another portion will come from chemical recycling, which would provide feedstock to traditional PE plants. The remainder...