| 发明名称 |
UNSATURATED POLYCARBONATE DIOL, PROCEDURE TO OBTAIN SUCH POLYCARBONATE DIOL AND ITS USE |
| 摘要 |
An unsaturated polycarbonate diol (A) comprising terminal hydroxyl groups, at least one repeating unit of formula (Ia) and at least one repeating unit selected from units of formula (Ib) and units of formula (II), wherein R1a is selected from the group consisting of C2-C20 acyclic alkylene group, C2-C20 ether group and C3-C20 ester group, R1b represents and C2-C20 acyclic alkenylene group, and R2 represents a C2-C20 acyclic alkenylene group; the unsaturated polycarbonate diol (A) comprising at least one unsaturated carbon-carbon bond; and procedures to obtain such an unsaturated polycarbonate diol (A):; |
| 申请公布号 |
US2014316078(A1) |
申请公布日期 |
2014.10.23 |
| 申请号 |
US201414230409 |
申请日期 |
2014.03.31 |
| 申请人 |
UBE CHEMICAL EUROPE, S.A. |
发明人 |
NOHALES PIQUERAS Andres;COSTA VAYA Victor Ignacio |
| 分类号 |
C08F283/02 |
主分类号 |
C08F283/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An unsaturated polycarbonate diol (A) comprising terminal hydroxyl groups, at least one repeating unit of formula (Ia) and at least one repeating unit selected from units of formula (Ib) and units of formula (II)wherein
R1a is selected from the group consisting of C2-C20 acyclic alkylene group, C2-C20 ether group and C3-C20 ester group, R1b represents and C2-C20 acyclic alkenylene group, and R2 represents a C2-C20 acyclic alkenylene group;the unsaturated polycarbonate diol (A) comprising at least one unsaturated carbon-carbon bond. |
| 地址 |
Castellon de la Plana ES |
