The present invention relates to a process of making biodegradable and/or bioabsorbable biomaterials and keratin nonwoven fibrous articles by electrospinning fibers from a blend of biomaterials and keratin dissolved in organic solvents includes generating a high voltage electric field between opposi.....
[更多]
The present invention provides compounds of the formulawhereinR is optionally substituted lower alkyl, cycloalkyl or aryl;R′ is alkyl or aryl;n is zero or an integer of 1 or 2; or an enantiomer thereof; or an enantiomeric mixture thereof.The compounds of formula (I) are bridged C2-symmetric biphenyl.....
[更多]
Higher luminance efficiency as compared to LEDs with barium/aluminum cathodes Up to 3X the performance of LEDs with barium/aluminum cathodes due to superior electron injection Deposition via solution methods without disturbance of the underlying layer
[更多]
None
[更多]
This invention provides water-dispersible polyurethanes made by reacting a difunctional alcohol, a difunctional isocyanate, and a chain extender containing reactive hydrogen groups, and then neutralizing. This invention also provides aqueous polyurethane dispersions.
[更多]
| |< <- | [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] | -> >| |
