BASF AG: As a material for baby bottles: Polyethersulfone surges
After the revolutionary change from glass to polycarbonate for baby bottles a second change in material seems to be coming about. At least in Japan, significant growth rates have been registered for Ultrason® E, BASF's polyethersulfone, since its launch a few months ago. Pigeon Corporation of Tokyo, which is Japan's biggest manufacturer of babycare products, assumes that this trend will continue in the years to come.
At first glance, it is difficult to see why. Both thermoplastic materials offer the same advantages, they are light-weight, unbreakable and guarantee a high degree of safety in the nursery. Other positive features they have in common are high transparency, excellent surface properties and compliance with food safety standards. However, Harumi Yamamoto, who is responsible for Pigeon Corporation's R&D, sees one important difference: the superior thermal properties of polyethersulfone. This means bottles can be sterilized at higher temperatures which in turn improves hygiene. Yamamoto added: "In Japan, this is an important argument above all for the young mother."
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