Bemliese™Features

Adding technological power to natural materials
Continuous cupro filament nonwoven sheet
made possible only with Bemliese

Three characteristics

  • 1. Using 100% cotton linter as a material
  • 2. Binder-free production process using the filaments' mutual self-bonding features
  • 3. Continuous filament nonwoven sheets made in our original production process

High liquid absorption and retention

The filament structure is designed to absorb liquid and can absorb and retain liquid 13-times* greater than its weight. *SB283 data

Comparison of amount of liquid absorption

The sample is soaked in water and its weight is compared before and after soaking.
Ratio of liquid absorption =[Sample weight after soaking ‒ Sample weight] / by sample weight

High liquid retention, one of cotton’s characteristics, is enhanced with our original technology. The reclaimed cellulose filament structure created by using cotton linter as a material provides a much higher level of liquid retention than cotton.

Comparison test of liquid absorption and retention

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet
  • Cotton gauzeCotton gauze

Nonwoven sheets are placed on an inclined table, and colored saline is poured on them to compare liquid absorption performance. (Incline angle: 45°; amount of pouring: 8 ml; pouring speed: 8 ml/5 seconds)

For Bemliese featuring quick absorption and high liquid retention, saline spreads in a complete circle, and liquid does not drip.

High level of adhesion

When Bemliese contains liquid, it gets very soft and clings tightly to the surface. When it is used for facemasks it fits the skin perfectly along the facial contours.

Comparison test of attaching and detaching

BemlieseOther

After a cosmetic solution is poured on the facial mask sheet, it is left on wire netting for five minutes.
When the facial masks contact the skin it can be observed how the material changes over time
(at 0 minutes and after 5 and 15 minutes) based on attaching and detaching performance.

High transparency

When it is wet, it becomes a highly transparent sheet due to liquid that has permeated the filaments.

Comparison test of transparency

BemlieseRayon/PET nonwoven sheet

After a dry sheet is placed on the paper with characters printed, water is poured onto the sheet to compare transparency.

Bemliese becomes more transparent when it contains water, and the underlying characters grow increasingly visible.

Low in particles, lint-free

Continuous-filament Bemliese significantly reduces lint due to its many short filaments, and can be used for a range of applications.
Reduced micro-lint Reduced lint separated from edges and surfaces

Fluffs after friction

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet
  • Cotton gauzeCotton gauze

After the sheet is rubbed 20 times with the test machine to compare fluff on the surface of filaments,Bemliese shows almost no fluff on the edge.

Lint after separation

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet
  • Cotton gauzeCotton gauze

Adhesive cellophane tape is stuck to the nonwoven sheet and then removed.
A comparison is made with lint remaining on the tape.
There are a very few separated filaments for Bemliese, a continuous-filament nonwoven sheet.

High purity

Bemliese is made without use of adhesive agents. Instead it utilizes the selfbonding quality of filaments, so it reduces dissolution of impurities and can be used for various solvents.

Impurity extraction test, dissolution of impurities such as a surface-active agent
 (soaked in water)

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet
  • Cotton gauzeCotton gauze

Each nonwoven sheet is soaked in solvent to compare dissolution of impurities.
Binder-free Bemliese shows extremely low dissolution.

Impurity extraction test (ethanol extraction)

Each nonwoven sheet is soaked in solvent to compare dissolution of impurities.
Binder-free Bemliese shows extremely low dissolution.

Low electrostatic charge

Since liquid contained in the filaments releases static electricity into the air, the filaments are not easily charged.

Measurement of friction-charged electrostatic potential (object: PET resin)

JFriction-charged electrostatic potential is measured and compared in line with the JIS L 1094 B method
  (friction duration: 10 seconds). This shows extremely low electrostatic charge for Bemliese.

High heat resistance

It withstands temperatures up to 260°C, and is free from the softening and decomposition characteristic of synthetic fabrics.

Comparison of heat resistance

  • BemlieseBemliese
  • Polyester knitPolyester knit
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet
  • Pulp/PP nonwoven sheetPulp/PP
    nonwoven sheet

Nonwoven sheets are placed on a hotplate at 250°C, and change in shape in 20 seconds is compared.
While other nonwoven sheets show a change in color and shape, Bemliese shows nearly no change.

Less damage caused by friction

Since the cross-section of the Bemliese filament is nearly circular compared with other filaments, it reduces friction and damage when it rubs against something.

Difference in filament structure (pictures of cross-section)

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Rayon/PET nonwoven sheetRayon/PET
    nonwoven sheet

Comparison is made with the cross-section of the filament structure of each nonwoven sheet.
Only Bemliese is nearly round, and uniform in thickness.

Difference in damage caused by friction

  • (Before friction)(Before friction)
  • Bemliese(after friction)Bemliese
    (after friction)
  • Cotton nonwoven sheet(after friction)Cotton
    nonwoven sheet
    (after friction)
  • Rayon/PET nonwoven sheet(after friction)Rayon/PET
    nonwoven sheet
    (after friction)

Comparison is made with scratches on the surface when different nonwoven sheets are rubbed against an artificial skin similar in elasticity to human skin.
Since the filaments are smooth, Bemliese produces almost no scratches.

High biodegradability

Bemliese undergoes biodegradation naturally when it is buried in soil.

Soil biodegradation test

  • BemlieseBemliese
  • Cotton nonwoven sheetCotton
    nonwoven sheet
  • Polyester nonwoven sheetPolyester
    nonwoven sheet

Each nonwoven sheet is buried 2-3 cm deep in the soil, and comparison is made with the state of change.
Bemliese biodegrades almost completely due to its bacterial properties.

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