Flexible foam - of polyurethane, or polyether having closed cells
Реферат: Flexible foam of synthetic material esp. of plastic e.g. polyurethane, polyether consisting mainly of closed cells, which can be opened by treatment with a suitable compsn., pref. a mixture of polyol, an isocyanate, an amine, a silicone, a metallic catalyst, a swelling agent and water. The foams are very light and flexible.
Method of producing open-cell foams of cross-linked polyolefins
Номер патента: US5242634A. Автор: Katsuya Matsumoto,Nobuyoshi Kotani,Naruyuki Ida,Yoshio Miyano. Владелец: Sanwa Kako Co Ltd. Дата публикации: 1993-09-07.