Title:
CONTROLLING NANOFIBER SHEET WIDTH
Document Type and Number:
WIPO Patent Application WO/2019/060099
Kind Code:
A3
Abstract:
Techniques are described for controlling widths of nanofiber sheets drawn from a nanofiber forest. Nanofiber sheet width can be controlled by dividing or sectioning the nanofiber sheet in its as-drawn state into sub-sheets as the sheet is being drawn. A width of a sub-sheet can be controlled or selected so as to contain regions of uniform nanofiber density within a sub-sheet (thereby improving nanofiber yarn consistency) or to isolate an inhomogeneity (whether a discontinuity is the sheet (e.g., a tear) or a variation in density) within a sub-sheet. Techniques for dividing a nanofiber sheet into sub-sheets includes mechanical, corona, and electrical arc techniques.
More Like This:
| JP2004024460 | AIR CLEANER |
Inventors:
LIMA MARCIO D (US)
BYKOVA JULIA (US)
BYKOVA JULIA (US)
Application Number:
PCT/US2018/048235
Publication Date:
April 02, 2020
Filing Date:
August 28, 2018
Export Citation:
Assignee:
LINTEC AMERICA INC (US)
International Classes:
B01J19/08; C01B3/00; C01B32/15
Foreign References:
| US20120000293A1 | 2012-01-05 | |||
| US20130064750A1 | 2013-03-14 |
Other References:
MA, B.: "Effects of Corona and Ozone Exposure on Properties of Polymeric Materials for High Voltage Outdoor Applications", THESIS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY. HIGH VOLTAGE ENGINEERING, 2011, Goteborg, Sweden
CHAKROFF, J ET AL.: "Development and Characterization of Novel Electrospun Meshes for Hernia Repair", SOJ MATER SCI ENG, vol. 3, no. 1, 5 May 2015 (2015-05-05), pages 1 - 9, XP0055700282, Retrieved from the Internet
RAHBAR, RS ET AL.: "Fabrication of Electrospun Nanofibre Yarn Based on Nylon 6/Microencapsulated Phase Change Materials", JOURNAL OF EXPERIMENTAL NANOSCIENCE, vol. 11, no. 10, 28 August 2016 (2016-08-28), pages 1402 - 1415, XP055700283, Retrieved from the Internet
CHAKROFF, J ET AL.: "Development and Characterization of Novel Electrospun Meshes for Hernia Repair", SOJ MATER SCI ENG, vol. 3, no. 1, 5 May 2015 (2015-05-05), pages 1 - 9, XP0055700282, Retrieved from the Internet
RAHBAR, RS ET AL.: "Fabrication of Electrospun Nanofibre Yarn Based on Nylon 6/Microencapsulated Phase Change Materials", JOURNAL OF EXPERIMENTAL NANOSCIENCE, vol. 11, no. 10, 28 August 2016 (2016-08-28), pages 1402 - 1415, XP055700283, Retrieved from the Internet
Attorney, Agent or Firm:
FINCH, Stephen R. et al. (US)
Download PDF:
Previous Patent: DEGASSING AND ANALYZING DRILLING FLUID
Next Patent: SYSTEMS FOR HEART FAILURE MANAGEMENT
Next Patent: SYSTEMS FOR HEART FAILURE MANAGEMENT