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Hello.
As demand for masks rises, functional hygiene materials such as fabrics and antibacterial finishes for cloth masks are attracting attention.
Among them, I would like to introduce CatLight® fabric, which is also drawing attention, in addition to CLEANSE®-finished fabric, whose production is unable to keep up.
Here is a quotation.
“Catlight® is a photofunctional finish created by combining Tokai Senko Co., Ltd.’s proprietary processing technology with V-CAT®, a visible-light-responsive photocatalyst developed by Toyota Central R&D Labs., Inc.”
Source http://www.tokai-senko.co.jp/wp/wp-content/uploads/2016/11/catlight-1.pdf
In other words, it is a fabric processing technology that responds to light and exhibits various functional properties.
The main features are antibacterial effects, decomposition of proteins and other substances contained in sweat and sebum stains, and deodorizing performance.
These effects are achieved through photocatalytic finishing.
In addition, because this photocatalyst uses nanoparticles at the nanolevel, it does not affect the texture of the fabric. Catlighit® also delivers its effects not only under ultraviolet light, but also under fluorescent lights and similar illumination*1.
*1 It acts under visible light (400nm~520nm).
I have briefly described its features, but how effective is it in actual use as a mask material?
As a fabric feature, it offers stain decomposition, deodorizing, and antibacterial functions, giving peace of mind in terms of hygiene, so it can be used as the outer fabric for washable, reusable masks.
One point to note is that it does not have antiviral performance.
It is mainly useful as the outer fabric of cloth masks, which easily become unhygienic through repeated use and contact with the mouth.
Here is the current stock status list.
Please click the product name to go to each product page.
| Category | Product | Stock status | Remarks |
|---|---|---|---|
| Fabric(*1) | 10701 Catlight® 60 single yarn combed lawn | c/# 4, 6, 9 out of stock (as of 14:00 on April 10) | 9 color variations |
| Fabric(*1) | 10706 Catlight® CM40 typewriter (wide width) | c/# L2 out of stock (as of 14:00 on April 10) | 6 color variations |
| Fabric(*1) | 10707 Catlight® ripstop | c/# D4 out of stock (as of 14:00 on April 10) | 5 color variations |
| Fabric(*1) | 10709 Catlight® 20 single yarn twill | In stock | 9 color variations |
| Fabric(*1) | 10710 Catlight® T/C color denim | In stock | 7 color variations |
| Fabric(*1) | 10711 Catlight® 10 single yarn drill | c/# 3 out of stock (as of 14:00 on April 10) | 7 color variations |
| Fabric(*1) | 10712 Catlight® 20/16 oxford | In stock | 10 color variations |
| Fabric(*1) | 10713 Catlight® 30 single yarn combed burberry | c/# D5, L11, L9, M13, M4 out of stock (as of 14:00 on April 10) |
With the issue of government distribution of cloth masks coming to light, cloth masks have suddenly attracted attention.
Of course, their effect may be weaker than that of medical masks or disposable nonwoven masks with smaller fiber gaps, but since they seem to offer some benefit in preventing transmission to others, I feel the necessity of cloth masks is unlikely to change.
If you are going to make one, I think a more hygienic fabric would be preferable.
