Mitsui Chemicals, Inc.

Hitoshi Watanabe

Satoshi Yamasaki

Tadahito Nobori

Usaji Takaki

Tsukuru Izukawa

Satoshi Tamura

Ariko Nishikawa

Shinsuke Matsumoto

Mikio Matsufuji

Fumio Yamazaki

Yasunori Hara

Masaaki Aoki

The present invention is a polyoxyalkylene polyol, its manufacture method, and derivatives, wherein: it is obtained using a phosphazenium compound as a catalyst; the hydroxyl value is 2&tilde;200 mgKOH/g; total degree of unsaturation is 0.0001&tilde;0.07 meq./g; the head-to-tail bond selectivity of the polyoxyalkylene polyol is 95 mole %; and when the maximum height of the peak of GPC elution curve is set to be 100%, W,is defined as the peak width at the 20% peak height, and W,is defined as the peak width at 80% peak height, the ratio of W,/W,is 1.5 or greater, and less than 3.

Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols

Growing community of inventors

Aichi-ken, Japan

Hitoshi Watanabe