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 formed on and adhered to the substrate layer, the substrate layer comprising a synthetic polymer, the substrate layer having a thickness of 25 to 800 microns and a basis weight of about 8 to 200 gm-m−
- 2, the fine fiber layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 50 g-m−
2, the fine fiber layer comprising fine fiber having a fiber size of about 0.01 to 2 micron.
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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.
235 Citations
14 Claims
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1. A filter media comprising a fine fiber layer and a filtration substrate layer, the fine fiber layer formed on and adhered to the substrate layer, the substrate layer comprising a synthetic polymer, the substrate layer having a thickness of 25 to 800 microns and a basis weight of about 8 to 200 gm-m−
- 2, the fine fiber layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 50 g-m−
2, the fine fiber layer comprising fine fiber having a fiber size of about 0.01 to 2 micron. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- 2, the fine fiber layer having a thickness no greater than 30 microns and a basis weight of about 0.5 to 50 g-m−
Specification