| 发明名称 |
USE OF AN ESTER ADDITIVE AND PAVING GRADE ASPHALT IN BUILT UP ROOFING ASPHALT COMPOSITION MANUFACTURE |
| 摘要 |
Thermally stable built-up roofing asphalt (“BURA”) composition comprising a paving grade asphalt is disclosed. The paving grade asphalt has been over-blown to a first softening point and an additive is included in an amount to achieve a second softening point. The additive comprises at least at least one ester. The BURA composition is thermally stable at processing temperatures of at least 450° F. |
| 申请公布号 |
US2015259506(A1) |
申请公布日期 |
2015.09.17 |
| 申请号 |
US201514658439 |
申请日期 |
2015.03.16 |
| 申请人 |
Owens Corning Intellectual Capital, LLC |
发明人 |
Lewandowski Laurand H.;Quinn Robert Edwin |
| 分类号 |
C08K5/101 |
主分类号 |
C08K5/101 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Thermally stable built-up roofing asphalt (“BURA”) composition comprising:
a paving grade asphalt, wherein said paving grade asphalt has been over-blown to a first softening point that is at least about 151° F.; and an additive included in an amount to achieve a second softening point that is between 135 and 151° F., said additive comprising at least at least one ester, wherein said BURA composition is thermally stable at processing temperatures of at least 450° F. |
| 地址 |
Toledo OH US |
