| 摘要 |
Polyester is provided. The polyester is copolymerized of a diacid monomer, an esterified diacid monomer or a combination thereof with a polyol monomer. The diacid monomer, the esterified diacid monomer or the combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof and spiro-diacid. The polyol monomer includes (3) C2-C14 polyol or (4) C2-C14 polyol and spiro-diol. The spiro-diol has a Formula (I):;;and the spiro-diacid has a Formula (II):;;The diacid monomer, the esterified diacid monomer or the combination thereof and the polyol monomer meet the following conditions: (a) The diacid monomer, the esterified diacid monomer or the combination thereof includes (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or the combination thereof and spiro-diacid or (b) The polyol monomer includes (4) C2-C14 polyol and spiro-diol. |
| 主权项 |
1. A polyester, being copolymerized of a diacid monomer, an esterified diacid monomer, or a combination thereof and a polyol monomer,
wherein the diacid monomer, the esterified diacid monomer, or the combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or a combination thereof and spiro-diacid, and the polyol monomer comprises (3) C2-C14 polyol or (4) C2-C14 polyol and spiro-diol, wherein the spiro-diol has a Formula (I):and the spiro-diacid has a Formula (II)wherein each R2 is independently single bond,or C1-C4 linear alkylene;
each R3 is independentlyand
wherein the diacid monomer, the esterified diacid monomer, or the combination thereof and the polyol monomer meet the following conditions: (a) the diacid monomer, the esterified diacid monomer or the combination thereof comprises (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or the combination thereof and spiro-diacid or (b) the polyol monomer comprises (4) C2-C14 polyol and spiro-diol. |
