基本信息:
- 专利标题： ASPHALT COMPOSITIONS AND METHODS OF MAKING SAME
- 申请号：US15984127 申请日：2018-05-18
- 公开(公告)号：US20180334554A1 公开(公告)日：2018-11-22
- 发明人： Robert Q. Kluttz , Erica Jellema , Donn A. Dubois , Sebastian Puchalski , Carl L. Willis , Christopher M. Lubbers
- 申请人： Kraton Polymers LLC
- 申请人地址： US TX Houston
- 专利权人： Kraton Polymers LLC
- 当前专利权人： Kraton Polymers LLC
- 当前专利权人地址： US TX Houston
- 主分类号： C08L9/06
- IPC分类号： C08L9/06 ; C04B24/26 ; C09D109/06 ; C09J109/06 ; C04B24/36
摘要：
A coupled block copolymer composition with a combination of high viscosity at manufacturing, finishing and handling conditions, low viscosity at asphalt blending conditions and suitable viscosity stability is provided for use in asphalt compositions. The composition comprises: (i) a diblock copolymer, (ii) at least a linear triblock copolymer having a peak molecular weight that is 1.5 to 3.0 times the peak molecular weight of the diblock copolymer, and (iii) at least a multiarm coupled block copolymer having a peak molecular weight that is 1.5 to 9.0 times the peak molecular weight of the diblock copolymer, and mixtures thereof. The block copolymer composition is characterized as having a melt viscosity at 110° C. or less of greater than 2.0E7 Poise and a coupling efficiency after 24 hours at 180° C. is less than 25%.
公开/授权文献:
- US10767033B2 Asphalt compositions and methods of making same 公开/授权日：2020-09-08
IPC结构图谱:
| C | 化学；冶金 |
| --C08 | 有机高分子化合物；其制备或化学加工；以其为基料的组合物 |
| ----C08L | 高分子化合物的组合物 |
| ------C08L9/00 | 共轭二烯烃的均聚物或共聚物的组合物 |
| --------C08L9/06 | .与苯乙烯的共聚物 |