Enhanced Thermal Comfort and Moisture Transmission for Activewear

  • ID: 4450230
  • Report
  • Region: Global
  • 28 Pages
  • World Textile Information Network
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Investigating the Most Relevant Aspects of Thermal and Moisture Comfort, Providing an Insight into Current Commercial Solutions and Possible Future Products of Interest Related with the Two Properties

FEATURED COMPANIES

  • Allasso Industries
  • Directa Plus
  • Freudenberg
  • INVISTA
  • New Balance
  • Oros
  • MORE

Clothing, regardless of its functionality, needs to be pleasant to wear first and foremost, so comfort is of major importance. It also creates a barrier between the human body and its surrounding environment, which affects the heat and mass transfer and influences the thermal comfort of the wearer. Thermo-physiological comfort (or simply thermal comfort) of clothing is fulfilled when the metabolic heat and moisture production of the human body of the wearer is in balance with the heat and moisture loss from the skin surface. Such that, the main parameters that are important in relation to the thermal comfort of a textile product are thermal insulation, moisture transmission and air permeability.

This report has investigated the most relevant aspects of thermal and moisture comfort and has provided an insight into current commercial solutions and possible future products of interest related with the two properties. The human body’s thermoregulation was initially introduced, together with a brief description of the phenomena that govern thermal insulation and water (liquid and vapour) transmission. A summary of the performances considered of interest by activewear users was also provided along with basic standard testing methods to evaluate thermal comfort of textiles.

Later on, some of the commercialised technologies which provide thermal comfort in textile materials with regards to fibre types and structures, fabric structures and coating and finishing technology have been discussed. Finally the open challenges along with some of the recent developments and innovations from the academia to address these have been provided as well.

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FEATURED COMPANIES

  • Allasso Industries
  • Directa Plus
  • Freudenberg
  • INVISTA
  • New Balance
  • Oros
  • MORE

1 Introduction

2 Thermal Regulation Mechanism
2.1 Thermal Insulation
2.2 Moisture Transmission
2.3 Activewear Users’ Demands
2.4 Standard test methods for determining thermal comfort of clothing

3 Available Technologies and Commercial Applications
3.1 Fibre Types, Morphology and Treatments
3.1.1 Stretchable Fibres
3.1.2 Microfibres
3.1.3 Hollow Fibres
3.1.4 Channelled Fibres
3.1.5 Winged Fibres
3.1.6 Fibres and Yarns Treatments
3.2 Fabrics Structure
3.2.1 Evolon®
3.2.2 Polartec® Power Stretch®, Power Dry® and Power Wool™
3.2.3 D-ONE
3.3 Coatings and Other Fabric Finishing Treatments
3.3.1 Graphene Plus
3.3.2 Aerogel

4 Open Challenges

5 Innovations from the Academic World

5.1 Fibres Characteristics
5.1.1 Milkweed Fibres
5.1.2 Peat Fibres
5.1.3 Cellulose Aerogels
5.2 Fabrics Structure
5.2.1 Innovative Structures Containing PCMs
5.2.2 Introduction of Spacer Blocks
5.2.3 Knitted Fabrics with Auxetic Properties
5.3 Fabric Coatings and Other Treatments
5.3.1 Surface Modification via Plasma Treatment
5.3.2 bioLogic

6 Summary and outlook

References

List of Figures:
Figure 1: Heat transfer from/to the body
Figure 2: Fabric properties affecting moisture transmission
Figure 3: market demand for sportswear - the influence of cost & performance
Figure 4: Schematic cross-section and lateral view of tetra and hexa-channelled fibres (from INVISTA)
Figure 5: Schematic representation of winged fibre with sheath and residual fibre before and after sheath removal
Figure 6. Evolon® technology: Conversion of biocomponent filaments into microfilament using hydroentanglement process
Figure 7: Power Wool™ natural-synthetic fabric’ outer and inner layers
Figure 8: Graphene sheet schematic
Figure 9: PCM cooling vest, closed and open structure
Figure 10: Schematic representation of the back side of bioLogic sweat-responsive garment

List of Tables:
Table 1: Standard test methods for evaluating thermal (thermo-physiological) comfort of textile materials
Table 2. Some of the commercialised technologies providing thermal comfort in activewear

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  • Allasso Industries
  • Chemical treatments (to be incorporated at fibre level)
  • CSIRO (research organisation)
  • Deewear
  • Directa Plus
  • Directa Plus
  • Eastman
  • Europlasma
  • Freudenberg
  • HeiQ
  • Hologenix, LLC
  • INVISTA
  • Kelheim Fibres
  • Kultaturve Oy
  • New Balance
  • Nike
  • NORTHFINDER
  • Oros
  • Outlast Technologies Inc
  • Polartec
  • Procter & Gamble
  • Südwolle Group
  • The North Face
Note: Product cover images may vary from those shown
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Note: Product cover images may vary from those shown
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