DSM公司以其Thortan产品商标挺进HNBR(氢化丁腈橡胶 )领域。在此之前 ,国际上HNBR生产厂家只有两家———拜耳和瑞翁 ,各自生产能力为 1万t～ 1 2万t,而市场还有潜力。DSM的第一批商品化样品是 2 0 0 2年在中试车间使用不同于其他公司的工艺生产的。这种新工艺不但能大大降低H DSM advances its HNBR (hydrogenated nitrile rubber) brand with its Thortan trademark. Prior to this, there were only two HNBR manufacturers in the world --- Bayer and Zeon, each with a production capacity of 10,000 t -1 120,000 t and the potential of the market. The first commercial sample of DSM was produced in a pilot plant in 2002 using a process different from that of other companies. This new process not only greatly reduces H