摘要:
In an autoclave containing a sealing agent and/or lubricant the improvement wherein said sealing agent or lubricant is a polyether-polyol which has an average OH-functionality of 5.0 to 7.0 and an average OH number of 250 to 500 prepared by reacting a mixture of sucrose and at least one other starting molecule chosen from the group comprising(a) polyhydric alcohols with an OH-functionality of less than 8,(b) monoamines or polyamines which contain at least 2 hydrogen atoms bonded to the amino nitrogen and(c) water, with ethylene oxide and/or propylene oxide.