Fine fiber media layer
First Claim
Patent Images
1. A filter media comprising a fine fiber layer and a filtration substrate layer, the fine fiber layer comprising a fiber size comprising a diameter of about 0.01 to 0.5 micron, the fine fiber comprising a polyvinylidene fluoride or comprising a copolymer comprising hexafluoropropylene and vinylidene fluoride, the layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 150 g-m−
- 2.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
-
Citations
7 Claims
- 1. A filter media comprising a fine fiber layer and a filtration substrate layer, the fine fiber layer comprising a fiber size comprising a diameter of about 0.01 to 0.5 micron, the fine fiber comprising a polyvinylidene fluoride or comprising a copolymer comprising hexafluoropropylene and vinylidene fluoride, the layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 150 g-m−
Specification