polymerguru

  𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞 👟 𝐄𝐱𝐩𝐚𝐧𝐝𝐞𝐝 𝐓𝐏𝐔 𝐦𝐢𝐝𝐬𝐨𝐥𝐞𝐬: 𝐚 𝐧𝐢𝐜𝐡𝐞 𝐏𝐔 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐫𝐞𝐬𝐡𝐚𝐩𝐢𝐧𝐠 𝐚𝐭𝐡𝐥𝐞𝐭𝐢𝐜 𝐟𝐨𝐨𝐭𝐰𝐞𝐚𝐫 Expanded TPU (ETPU) is becoming one of the most technically interesting polyurethane applications in athletic footwear, driven by its combination of rebound, durability, low-temperature elasticity, and potential recyclability. Unlike conventional EVA chemical foaming, ETPU is produced through a supercritical physical foaming process using CO₂ or N₂. This allows the material to deliver stronger compression set resistance, better elastic recovery, and a cleaner processing route without chemical blowing-agent residues. In performance terms, ETPU occupies an important middle ground in the midsole market. It offers clearly better rebound and long-term consistency than EVA, while remaining more commercially accessible than PEBA, which continues to dominate the top-end racing segment. That positioning has ...

  𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞 ✅ 𝐀𝐛𝐬𝐨𝐫𝐩𝐭𝐢𝐨𝐧 𝐯𝐬 𝐀𝐝𝐬𝐨𝐫𝐩𝐭𝐢𝐨𝐧 𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐭𝐡𝐞 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐜𝐞 In many industrial and environmental processes, the terms absorption and adsorption are often confused. Here is the clear difference: 🟦 Absorption Absorption is a bulk phenomenon: The substance (absorbate) penetrates inside the material (absorbent). Example: * Water absorbed by a sponge * CO₂ absorbed into amine solution * Liquid–liquid extraction in petrochemicals 🔹 The material takes molecules into its volume. 🟩 Adsorption Adsorption is a surface phenomenon: The substance (adsorbate) sticks to the surface of a solid (adsorbent). Common adsorbents include: activated carbon, silica gel, alumina, and molecular sieves. Example: *Gas dehydration using molecular sieves *VOC removal using activated carbon *Catalyst support in refining 🔹 Molecules stay on the surface, not inside. ♻️ Regeneration in Adsorption processes Most adsorption ...

𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥 𝐏𝐫𝐨𝐯𝐞𝐧 | 𝐌𝐞𝐝𝐢𝐜𝐚𝐥 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 – 𝐕𝐨𝐥. 𝟓 𝐑𝐞𝐚𝐝𝐲 𝐟𝐨𝐫 𝐓𝐨𝐩 𝐌𝐞𝐝𝐓𝐞𝐜𝐡 𝐋𝐞𝐚𝐝𝐞𝐫𝐬 | 𝐏𝐫𝐞𝐬𝐬𝐮𝐫𝐞 𝐏𝐮𝐦𝐩 | 𝐋𝐆 𝐂𝐡𝐞𝐦 𝐌𝐞𝐝𝐢𝐜𝐚𝐥 𝐏𝐂 As medical device programs scale from development to full‑scale production, material selection must ensure reliability, regulatory compliance, and consistent manufacturing performance. LG Chem’s PC (PC2001‑10) is well suited for medical pressure pump applications, supporting the stringent requirements of devices used in critical care, interventional procedures, and fluid control systems. Designed to meet real-world medical device needs, PC2001‑10 helps enable stable and compliant product development. For medical device manufacturers and Design, RA/QA teams, PC2001‑10 delivers clear value: ✅ISO 10993‑3, ‑4, ‑5, ‑10, and ‑11 biocompatibility compliance (certificates available) ✅Global compliance meeting RoHS and SVHC (REACH) requirements ✅Production stability supported by a 12‑month Noti...