New polyols give good boardstock adhesion and uniform light colour Report by Liz White, editor
In October, Invista launched additions to its aromatic polyester polyol range which are a departure for the company. The company’s Terate polyols have traditionally been made from by-products of other processes, specifically DMT (dimethyl terephthalate) bottoms.
Now it is using different raw materials for its new Terate HT polyols. One reason for this change is that the DMT business is not growing, while demand for insulation and hence polyols is rising.
Invista’s HT polyols, initially aimed at rigid polyisocyanurate (PIR) and polyurethane board-stock uses, extend the Wilmington, North Carolina-based group’s portfolio to meet evolving customer needs, the company said Bob Francois, president of Invista’s speciality materials business, said in an exclusive 10 Oct interview during the Center for the Polyurethanes Industry/UTECH North America 2010 event in Houston, Texas, that part of the logic behind this move is that “the DMT business globally … is not growing. But if you look at the expectations for the insulation business to grow globally then you need other resources to make polyols from.”
While Francois is not keen to overdramatise this change, it is a significant step for Invista.
Francois. who has been in the speciality materials business at Invista for three years, focuses instead on Invista ‘s push for innovation.
In polyols, this means that “Bill…