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Home > News > Chemicals

Mitsui Chemicals offers UHMW-PE powder with improved sliding properties

Source：Adsale Plastics Network Date ：2024-11-15 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Mitsui Chemicals Europe offers the spherical UHMW-PE fine powder Mipelon, as a high-performance alternative to PTFE in terms of sliding properties, abrasion resistance and chemical resistance in plastics, rubbers, paints and coatings.


Mitsui Chemicals_Spherical Mipelon powder_480.jpg


Spherical Mipelon UHMW-PE fine powder has average particle size of 10 µm, which is currently the smallest size in the world for this product group.

 

Mitsui Chemicals Europe sells Mipelon directly and via its distributor Dreyplas, which also supports customer-specific new and further developments.

 

High performance even in high temperature

 

The limiting factor in the substitution of PTFE is the lower melting temperature of UHMW-PE, which is around 135 °C.

 

While Mipelon can generally be used at temperatures of up to 120°C, the speciality grade PM200C is suitable as an additive in hydrocarbon oil for temperatures of up to 200 °C. Unlike PE powder, it does not tend to swell even at higher temperatures and retains its shape and function.

 

Reduced weight

 

The density of the powder is 0.97 g/cm³, which is around half as high compared to PTFE, supporting weight reduction.

 

With molecular weight of around 2 million g/mol, Mipelon is characterised by the very small size of the special spherical particles. The average particle size (D50) for the PM-200 type is around 10 µm, which is currently the smallest size in the world for this product group.

 

Improved sliding properties and abrasion resistance

 

Mipelon UHMW-PE powder is also characterised by improved dispersing behaviour in plastic masterbatches. In many cases, the same dosage results in a lower coefficient of sliding friction and improved abrasion resistance than with PTFE.

 

In general, the spherical particles with their smooth surface and narrow particle size distribution support very good dispersion. The particle size distribution of Mipelon is significantly narrower than that of PTFE, and it also has a considerably lower proportion of coarse particles.

 

In addition, the material exhibits lower coefficient of friction (COF) and abrasion values under long-term stress not only compared to PTFE but also compared to PA11 and PA12 as well as PE waxes.

 

High chemical resistance

 

Mipelon also features high chemical resistance to acids, alkalis and organic chemicals. In addition, it absorbs virtually no water or moisture. Most types are suitable for food contact applications in accordance with EU and US legislation.

 

Wide applications

 

Due to this broad spectrum of properties, typical applications range from coatings, including electrostatic powder coatings, water- or solvent-based spray coatings and dip coatings, to the modification of rubber and thermoplastics.

 

Examples of applications include rubber-coated rollers, coatings of rubber profiles for the automotive industry, polymer compounds, anti-blocking for films instead of zeolites and silicon, oils and greases with emergency lubrication.


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Source：Adsale Plastics Network Date ：2024-11-15 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Mitsui Chemicals Europe offers the spherical UHMW-PE fine powder Mipelon, as a high-performance alternative to PTFE in terms of sliding properties, abrasion resistance and chemical resistance in plastics, rubbers, paints and coatings.


Mitsui Chemicals_Spherical Mipelon powder_480.jpg


Spherical Mipelon UHMW-PE fine powder has average particle size of 10 µm, which is currently the smallest size in the world for this product group.

 

Mitsui Chemicals Europe sells Mipelon directly and via its distributor Dreyplas, which also supports customer-specific new and further developments.

 

High performance even in high temperature

 

The limiting factor in the substitution of PTFE is the lower melting temperature of UHMW-PE, which is around 135 °C.

 

While Mipelon can generally be used at temperatures of up to 120°C, the speciality grade PM200C is suitable as an additive in hydrocarbon oil for temperatures of up to 200 °C. Unlike PE powder, it does not tend to swell even at higher temperatures and retains its shape and function.

 

Reduced weight

 

The density of the powder is 0.97 g/cm³, which is around half as high compared to PTFE, supporting weight reduction.

 

With molecular weight of around 2 million g/mol, Mipelon is characterised by the very small size of the special spherical particles. The average particle size (D50) for the PM-200 type is around 10 µm, which is currently the smallest size in the world for this product group.

 

Improved sliding properties and abrasion resistance

 

Mipelon UHMW-PE powder is also characterised by improved dispersing behaviour in plastic masterbatches. In many cases, the same dosage results in a lower coefficient of sliding friction and improved abrasion resistance than with PTFE.

 

In general, the spherical particles with their smooth surface and narrow particle size distribution support very good dispersion. The particle size distribution of Mipelon is significantly narrower than that of PTFE, and it also has a considerably lower proportion of coarse particles.

 

In addition, the material exhibits lower coefficient of friction (COF) and abrasion values under long-term stress not only compared to PTFE but also compared to PA11 and PA12 as well as PE waxes.

 

High chemical resistance

 

Mipelon also features high chemical resistance to acids, alkalis and organic chemicals. In addition, it absorbs virtually no water or moisture. Most types are suitable for food contact applications in accordance with EU and US legislation.

 

Wide applications

 

Due to this broad spectrum of properties, typical applications range from coatings, including electrostatic powder coatings, water- or solvent-based spray coatings and dip coatings, to the modification of rubber and thermoplastics.

 

Examples of applications include rubber-coated rollers, coatings of rubber profiles for the automotive industry, polymer compounds, anti-blocking for films instead of zeolites and silicon, oils and greases with emergency lubrication.


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Mitsui Chemicals offers UHMW-PE powder with improved sliding properties

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