基本信息:
- 专利标题： PNEUMATIC TIRE FILLING COMPOSITION AND FILLING METHOD
- 专利标题（英）：Pneumatic tire filling composition and filling method
- 专利标题（中）：气动轮胎填充组合物和填充方法
- 申请号：PCT/US1998/015988 申请日：1998-07-31
- 公开(公告)号：WO99012728A1 公开(公告)日：1999-03-18
- 主分类号： B29D30/04
- IPC分类号： B29D30/04 ; B60C1/00 ; B60C7/00 ; C08G18/48 ; C08G18/66 ; C08G18/76
摘要：
The present invention is directed to a method for producing a cured tire filling composition and the composition resulting from such a method. A mixture of a polyisocyanate having an average functionality of at least 2.3; a high molecular weight polyol having a hydroxyl number in the range of about 20 to about 31 and having an actual functionality of greater than 2.1; and 6 to 65 weight percent of a polar plasticizing extender oil is cured in the presence of a catalyst to form a polyurethane elastomer having a vertical rebound of greater than about 60 % based on ASTM D2632 and a Durometer hardness in the range of about 5 to 60 (Shore A). The mixture is used to fill a tire prior to curing the composition within the tire casing and results in a deflation-proof tire that has considerably longer road testing life than tire filling compositions currently available.
摘要（中）：
本发明涉及一种用于制备硫化轮胎填充组合物的方法和由该方法得到的组合物。 平均官能度至少为2.3的多异氰酸酯的混合物; 羟值在约20至约31范围内且具有大于2.1的实际官能度的高分子量多元醇; 和6至65重量％的极性增塑剂油在催化剂存在下固化，以形成基于ASTM D2632的垂直回弹大于约60％的聚氨酯弹性体，并且硬度计硬度在约5至 60（肖氏A）。 在将轮胎外壳内的组合物固化之前，将混合物用于填充轮胎，并且导致防风雨轮胎具有比当前可用的轮胎填充组合件显着更长的道路测试寿命。
IPC结构图谱:
| B | 作业；运输 |
| --B29 | 塑料的加工；一般处于塑性状态物质的加工 |
| ----B29D | 用塑料或用塑性状态的物质生产特殊制品 |
| ------B29D30/00 | 生产气胎或实心胎或其零件 |
| --------B29D30/04 | .橡胶胎的弹性填料；以此装填橡胶胎 |