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US 11,691,355 B2Granted
3D spacer fabric reinforced PU composite and its use
AssigneeBASF SE
InventorsYingHao Liu, Feng Chao Hu, Tao Liu, Hairu Long, Si Chen, Daniel Freidank
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Abstract
Described herein is a 3D spacer fabric reinforced composite, a process for producing it, a method of using it in footwear, and a footwear including it.
Claims19
A 3D spacer fabric reinforced PU composite, which is made from a polyurethane (PU) foam reinforced by a 3D spacer fabric,
- wherein the 3D spacer fabric comprises a first layer of material that is separated from a second layer of material by spacer yarns, wherein an inclination angle of the spacer yarns is from 65 to 75°, and
- wherein the polyurethane is prepared by reacting
- (a) a di- or polyisocyanate,
- (b) a polyether polyol or polyester polyol and
- (c) a blowing agent.
2 more elements
Dependencies are inferred from the claim text.