| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the amount of formaldehyde and acetaldehyde diffused from a polyurethane and a polyurethane molded article. <P>SOLUTION: The polyurethane molded article characterised by being formed by preliminarily adding 0.05-3.0 pts.wt. of a hydrazine compound to 100 pts.wt. of a polyol mixture, when the polyurethane molded article is formed from the polyol mixture comprising a polyisocyanate, a polyol, a catalyst and a cross-linking agent; and also, the polyurethane molded article characterised in that the hydrazine compound is applied onto a factor constituting the poloyurethane molded article in the amount of 0.1 g/m<SP>2</SP>-10 g/m<SP>2</SP>; are provided. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
