IR

JSR Hikes Prices on Synthetic Rubber and Emulsion Products

JSR Corp. (TYO:4185) has raised its prices on synthetic rubber and emulsion products, starting with deliveries from Feb. 1. The company says that the hikes are in response to increased prices of raw materials in domestic naphtha. These come on the back of a weakening yen and the high price of crude oil, along with skyrocketing butadiene prices since last...

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Bridgestone Develops Next-Gen Polyisoprene, Potential to Outperform Natural Rubber

Bridgestone Corp. (TYO: 5108) announced on Dec. 13 that it has successfully synthesized a next-generation polyisoprene rubber (IR). The material features a narrowly controlled molecular structure and uses the company’s proprietary new gadolinium (Gd) polymerization catalyst. The new catalyst enables industrial applications for which conventional Gd catalysts have so far been unsuitable. Although IR is the synthetic rubber most closely...

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