| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an inexpensive binder comprising a specific compound containing a polyester segment and a specific alcohol (derivative) and enabling compounding for polyurethane flooring materials and coating materials having excellent mechanical properties, beautiful appearance and chemical durability. SOLUTION: This binder comprises (A) a compound of formula I [formula II is a polyester recurring unit having >=1 aromatic group; R1 is a polyester segment, especially, a residue of a condensation product of an aromatic dicarboxyl acid with a (substituted)aliphatic glycol; R2 is an (OH substituted) aliphatic, cyclic or aromatic 1-8C hydrocarbon chain, etc.; R3 is a >=1 OH substituted (un)saturated 11-21C alkyl residue; R4 is H or a hydroxyalkyl; A is 0 or N; (n) is 1-4; (x) is 1 or 2; (y) is 0 or 1; (x)+(y)=2 when A is N; (x)=1 and (y)=0 when A is 0] or a compound of the formula III, and (B) a compound of the formula HO-R2 -OH, a compound of the formula HO-R2 -NH2 or a compound of the formula HO-R2 -NH-R2 -OH, etc.</p> |
