Chemistry matters. Join us to get the news you need.

If you have an ACS member number, please enter it here so we can link this account to your membership. (optional)

ACS values your privacy. By submitting your information, you are gaining access to C&EN and subscribing to our weekly newsletter. We use the information you provide to make your reading experience better, and we will never sell your data to third party members.



Japanese firms invest in diaper raw materials

Demand is strong as urban Asians adopt Western methods of baby care

by Jean-Francois Tremblay
July 20, 2016 | APPEARED IN VOLUME 94, ISSUE 30

Credit: Alamy
Credit: Alamy
Traditional crotchless pants are becoming a rare sight in Chinese cities as parents switch to disposable diapers.

Encouraged by rising sales of disposable diapers across Asia, Japanese chemical companies are investing in facilities to supply raw materials for the baby and adult care products.

Earlier this month, Zeon completed a more-than-$60 million expansion of a plant in Mizushima, Japan, that makes Quintac, a thermoplastic elastomer used to formulate pressure-sensitive adhesives. One of the big applications for such adhesives is fasteners for diapers, a point Zeon Chairman Naozumi Furukawa made at an opening ceremony.

Separately, both Toray Industries and Mitsui Chemicals Industries recently announced capacity expansions at facilities that produce non-woven fabrics for disposable diapers. Toray will increase output of polypropylene spunbond non-woven fabric in Gumi, South Korea. Mitsui will boost capacity at its site in Yokkaichi, Japan.

The announcements by the three companies come as another Japanese firm, Nippon Shokubai, is about to start up a new superabsorbent polymers plant in Himeji, Japan. Shokubai is the world’s top producer of the acrylic acid-based material, which is used mostly in diapers.

In announcing its project, Toray said Asian demand for disposable diapers is likely to grow at an annual rate of 9% in the coming years and that the supply of diaper raw materials is tight. In developed countries such as Japan, demand for adult diapers is the primary driver, Toray noted. But most of the growth in Asia is in developing countries, particularly China.

As Chinese parents become more affluent and urbanized, they are increasingly opting to put disposable diapers on their babies. As a result, the traditional open-crotch pants that make it more convenient for babies to do their business out in the open are becoming less commonplace on Chinese streets.

This article has been translated into Chinese and can be found here.

To see all of C&EN’s articles that have been translated into Chinese, visit



This article has been sent to the following recipient:

Leave A Comment

*Required to comment