| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyurethane-based or polyacetal-based resin almost free from malodor. SOLUTION: Into a polyurethane-based resin or a polyacetal-based resin is incorporated a compound represented by the formula: M[BHn (OR1)m(OR2)}4-n]x (wherein M is a metal selected among Li, Na, K, Ca, Zn and Al; R1 is alkylene; R2 is alkyl; n is 1-4; m>=0; and x is a valence number of the metal M). The abovementioned compound reduces and eliminates aldehydes within the polyurethane-based resin or the polyacetal-based resin.
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