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2024 新機能材料展パネル 【医療・ヘルスケア G】
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Nitrocellulose Membrane
For immunochromatography

Developing

Medical components used in simple test kits that utilize antigen-antibody reactions.

Whatʼs nitrocellulose membrane
It is a porous material mainly made of nitrocellulose,
and the sample that is dropped moves through the membrane by capillary action.

❶ Drop the sample❸ Lines are visualized
by antigen-antibody reaction❷ Sample moves within the membrane by capillary action※The diagram above shows a simpliﬁed internal structure of the test kit.

Points1

Stable supply through domestic production in Japan

2

Shorter lead time compared to products from overseas

3

Can be customized for each customer■ Special membrane with porous structuresurfacecross section

100µm50μm（1000 x ）water absorption（400 x ）※Electron micrographs were taken at the National Institute for Materials Science (NIMS).

修正なし

2024 新機能材料展パネル 【医療・ヘルスケア G】
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Development
product

S of t Feel T ape

Anti-slip tape designed to feel comfortable on bare skin.
Structureanti-slip layer
various ﬁlms

adhesive layer
release paper※The structure is an example and can be changed upon request.

Features12
3

Feel of touchAnti-slip tape with a soft feel that reduces stress on bare skin
Ideal for anti-slip handrails and ﬂoors in nursing care settings , etc.

Diverse designs
Adjustable to desired color
Texture can be changed
The shape of the seat can be freely designed

HygienicalCan provide antibacterial, mildew resistant, and antiviral properties
Even if it gets dirty or damaged, it can be easily replaced, so you can use it cleanly【 Mildew resistance test results (in accordance with JIS Z 2911 B 】
evaluation Bacteria growth condition

Incubation days

Development product( ｍildew resistance )7 dayslater

14 dayslater

21 dayslater

28 days
later

001

1

Competitor's
product①44

44Competitor's
product②444

50

No bacteria are growing at all

1

Visible under a microscope

2Growth below 25%

3

Growth of 25% - 50%

4More than 50% growth

5Covers the all surface※Properties are not guaranteed values.

Properties
Development
product

Competitor's
product ①

Competitor's
product ②

static friction coeﬃcient

3.02.3

1.5

dynamic friction coeﬃcient

2.2

1.5

1.2

load : 20g, speed : 10mm/sec, contactor : tactile contactor

Durability performance
Development Competitor's
product ①productCompetitor's
product ②

testconditions

Cold and heat
repeatability(-10℃×1h→room temperature
×10min→60℃×1h)×5cyc

○

○

○

High temperature andhumidity resistance

50ºC, 90RH%×7days

○

○

○

Hot water resistance

50ºC,×2days

○

○

○

Household detergent(alkalinity)×1h

○

○

○

Household detergent(neutral)×1h

○

○

○

Household detergent(mild acidity)×1h

○

○

○

Household detergent(strong alkality)×1h○○○

Chemical resistance〇：No change in appearance

×：change in appearance

Since it is a semi-transparent product,
the design of the base can be utilized.

※Properties are not guaranteed values.

It is also possible to color andshape the anti-slip layer.

2024 新機能材料展パネル 【医療・ヘルスケア G】水溶性シート

A4 リーフレット用

A1：w594×h841mm

Water-soluble adhesive sheet

Development
product

This is an adhesive sheet where both the ﬁlm and the adhesive are soluble in water.
Structureprocess ﬁlm
water-soluble ﬁlm (transparent/white)

15 μmwater soluble adhesive

35 μm

release ﬁlm

Features

12Applications

Solubility

Both the base material and adhesive dissolve in water.
Completely soluble even in cold water.

Can be colored

The base material can be colored white and used for management labels, etc.

■ As a protective sheet and an applicationthat can be removed using a water washing process.

■ Packaging materials and Management label.

【Changes in dissolution time due to temperature changes】

2.4

No glue residue

400※Adhesive strength
Adherent: SUS, Tensile speed: 300mm/min

350※The process ﬁlm was peeled oﬀand a 25μm PET adhesive sheet
was pasted on the surface of
the water-soluble ﬁlm as a reinforcing
material and measured.

dissolution time [sec]Properties

Adhesive strength[N/10mm]

30025020015010050001020304050

water temperature［℃］607080修正なし

2024 新機能材料展パネル 【医療・ヘルスケア G】
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antibacterial/antimold/antivirus『ion pure seal』
Features

The industry's only* antibacterial and antiviral seal that has passed the SIAA weathering test for outdoor use.

The antibacterial and antiviral agent used is Ion Pure, which has been sold around the world for over 30 years.
Thanks to silver ions, the number of viruses attached to the ﬁlm is reduced by more than 99%.
Since it uses urethane ﬁlm, it has good followability to curved surfaces.

＊Based on our research as of September 2023.

Structure

Mechanism of Ion Pure
Urethane ﬁlm
containing Ion Pure

40 umadhesive20 um

release paper

Ion pure

Metal ions

Bacteria＊Customizable

Paste veriﬁcation for 180 days

180 days later

The stickers are light blue and transparent
and do not interfere with the design.
Maintains transparency even after 6 months of outdoor use.

Ion Pure is a 100% glass powder.
When it comes into contact with moisture in the air,it dissolves very slightly and releases metal ionslittle by little. Its metal ions are thought to inhibit
the growth of bacteria, viruses, and mold.

Antibacterial, antimold, antiviral performance【Testing agency】

Ishizuka Glass Co., Ltd. Antibacterial Testing Laboratory (Antibacterial/Antimold Testing)Japan Textile Products Quality and Technology Center (Antivirus test)）【Test method】 JIS Z 2801, JIS Z 2911 A , ISO2170※These are test results and are not guaranteed values.

Antibacterial test results (activity value)

Film

General products (blank)
28 days later

Antiviral test results (activity value)Escherichia coli

Staphylococcus aureus

With envelope

Water
resistant2

7.0

6.5

3.4

Lightfastness2

5.4

6.0

≧4.4

Aspergillus niger

7 days14 days

21 days

28 days

General products (blank)

Mold area is less than 25%

Mold area is 25% or more

Mold area is 25% or more

Mold area is 25% or more

Ion pure seal

No mold growth observed

No mold growth observed

No mold growth observed

No mold growth observed

For outdoor

1×10⁸6

Over 99% reduction

Over 99% reduction
Virus infectivity titer

1×10⁶
Bacterial countion pure seal
28 days later

1×10⁴
1×10²
1×10⁰

Escherichia coli

Staphylococcus aureus

Seller: Ishizuka Glass Co., Ltd.

Antiviral activity value 3.4

420Inﬂuenza

Manufacturer: Kuramoto Sangyo Co., Ltd.