Title:
【発明の名称】透明な、熱蒸気滅菌可能な、非細胞毒性のかつ実質的に緻密なポリウレタン注型材料、その製造方法及び該注型材料からなる物品
Document Type and Number:
Japanese Patent JP3344740
Kind Code:
B2
Abstract:
The invention relates to transparent, autoclavable, non-cytotoxic, essentially compact polyurethane embedding compositions which are prepared by reacting a) modified diphenylmethane diisocyanates with b) compounds with at least two reactive hydrogens, which contain or are composed of b1) at least one polyether-polyol with an average functionality of from 3 to 8, a hydroxyl number of from 200 to 1000 and an alkali metal ion content of from 150 to 1200 ppm or, preferably, a mixture of (b1) and castor oil and/or at least one polyetherpolyol (b2) with a functionality of from 2 to 3, a hydroxyl number of from 90 to 200 and an alkali metal ion content of less than 10 ppm in the presence or absence of c) catalysts and to a process for preparing the polyurethane embedding compositions and to the use thereof for articles used in medicine.
More Like This:
Inventors:
Peter, the horn
Werner, Hints
Georg, Kno Plau
Falco, Ramsteiner
Gottfried, Knorr
Werner, Hints
Georg, Kno Plau
Falco, Ramsteiner
Gottfried, Knorr
Application Number:
JP27846392A
Publication Date:
November 18, 2002
Filing Date:
October 16, 1992
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
A61L29/00; A61F2/00; A61L27/34; A61M5/00; B01D63/02; C08G18/02; C08G18/10; C08G18/12; C08G18/48; C08G18/50; C08G18/66; C08G18/76; (IPC1-7): C08G18/48; A61L29/00
Domestic Patent References:
| JP2298509A | ||||
| JP3137116A | ||||
| JP5152493A |
Attorney, Agent or Firm:
Toshiaki Eto