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ROKI Co., Ltd. Develops unique spinning technology to turn various resins into nanofibers

[ROKI Co., Ltd.] Develops unique spinning technology to turn various resins into nanofibers

*View in browser* *ROKI Co., Ltd.*
Press release: May 15, 2024
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Developed unique spinning technology to turn various resins into nanofibers ROKI Co., Ltd. (Headquarters: Hamamatsu City, Shizuoka Prefecture, President and CEO: Takaya Shimada) has developed a technology to turn various resins into nanofibers using a manufacturing method different from conventional technology.

Using this technology, it is possible to spin various resins, create cotton-like nanofiber nonwoven fabrics, and set arbitrary fiber diameters. In the future, we will develop products as functional nonwoven fabrics that are optimal for various uses.

[Characteristics of unique spinning technology]
– Spinning with any fiber diameter
– Non-woven fabrics made from various resins
– Cotton-like bulky nanofiber non-woven fabric
– Spinning with functionalized resin

[Technology usage example]
1. Polyimide nonwoven fabric
In addition to polyimide’s excellent heat resistance, low
dielectricity, and chemical stability, it also has excellent flexibility, air permeability, impregnability, etc.
Adding characteristics
– Improving charging characteristics of separators for secondary batteries (LFP-SiO) (under joint research with National Institute of Advanced Industrial Science and Technology)
– Improved flexibility, heat resistance, and heat dissipation of base materials for high-frequency boards
– Achieves filtration in high temperature processes

2. Water-soluble polymer (under joint research with Keio University) Can be applied to a wide range of applications due to improved strength and durability of the water-soluble polymer film

Attached photo: Example of fiber sheet using this technology

* 1. Polyimide nonwoven fabric (fiber diameter 200nm) *
Enlarged photo
roll sample
cotton-like polyimide

* 2. Water-soluble polymer (fiber diameter 500nm) *
Enlarged photo
sheet sample

PDF file download
ROKI Co., Ltd. New Business Headquarters
2396 Futamata-cho, Tenryu-ku, Hamamatsu City, Shizuoka Prefecture 431-3314 Contact information: contact@roki-jp.com
This article is also posted in the homepage announcement section: https://www.roki-jp.com
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