聚氨酯預聚體在生產研磨材所需的彈性黏結劑的配方應用上,扮演極為重要的角色,需要承受研磨時的壓力及摩擦所產生的熱積聚,黏結劑必須擁有較高的剪切和撕裂強度、良好的耐熱性及較長的操作時間。Lanxess的封閉型聚氨酯預聚體,作為生產研磨材所使用的黏結劑,可提供較寬廣的加工和固化條件,並強化高物性需求的研磨材的機械性能
Product |
Chemistry |
Solid Content |
NCO Content |
Viscosity @25oC (cps) |
Viscosity @50oC (cps) |
Solvent |
Unblocking Temp |
Trixene® BI7641 |
TDI/Polyether |
61% |
5.65% |
2,500~10,000 |
- |
PGMEA Xylene |
120oC |
Trixene® BI7674 |
TDI/Polyether |
58% |
3.70% |
<2,000 |
- |
PGMEA |
120oC |
Trixene® BI7675 |
TDI/Polyether |
75% |
4.90% |
1,500~2,500 |
- |
PGMEA |
120oC |
Adiprene® BL16 |
TDI/Polyether |
100% |
5.55% |
- |
7,500~16,500 |
- |
120oC |
Adiprene® BL40 |
LFTDI/Polyether |
87% |
6.30% |
- |
1,400~2,000 |
MIBK |
120oC |
Adiprene® BL46 |
TDI/Polyether |
85% |
6.90% |
- |
1,200~2,500 |
PGMEA |
120oC |
Adiprene® BLM500 |
LFMDI/Polyether |
100% |
4.40% |
- |
12,000~35,000 |
- |
120~130oC |
MIBK:Methyl Isobutyl Ketone