Artificial protection against solar radiation — fabrics

Driscoll, C.M.H.

doi:10.1016/s1568-461x(01)80059-4

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…Clothing does not suffer from the uncertainties of sunscreen application (see below), and a fabric, whose UPF is 15, really does provide this level of sun protection. National radiation laboratories in Australia and the UK have determined UPFs several thousand summerweight clothing fabrics with the following results: 14,15 (1) almost 90% of summer clothing has UPFs > 10 and, in practice, provides equivalent protection to sunscreens of SPF 30 or higher (see below);…”

Section: Clothing and Hatsmentioning

confidence: 99%

Human exposure to solar ultraviolet radiation

Diffey

2002

J of Cosmetic Dermatology

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Solar ultraviolet (UV) irradiation depends upon the local UV climate, people's behaviour. Behaviour includes the time spent outdoors and the use of photoprotective agents. In adult life, a British indoor worker in the UK might typically receive 30% of his or her annual UV exposure from sun-seeking holidays, 40% from summer weekends, 20% from casual weekday exposure between April and September and just 10% from sun exposure during the 6 month period October to March. Whilst climatic factors do influence levels of UV radiation (UVR) at the Earth's surface, it is people's behaviour out of doors that has a much greater impact on personal solar UV irradiation. Methods of personal protection include: avoiding direct sunlight in summer around noon; seeking the shade; wearing clothing absorbs UVR; wearing hats that shade face and neck; and using topical sunscreens.

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Section: Clothing and Hatsmentioning

confidence: 99%

Human exposure to solar ultraviolet radiation

Diffey

2002

J of Cosmetic Dermatology

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“…[8][9][10][11] Generally, dark-colored fabrics possess better UV protection than those in lighter shades, provided that the fabrics have the same fabric construction. 1,2,9,10,[12][13][14][15][16][17][18] However, light-colored garments dominate the summer wear market due to less body heat accumulation when compared to the dark-colored fabrics. [19][20][21] When dye molecules absorb UVR, the electronic excitation energy converts into vibration energy in the dye molecules, and thereby thermal energy is generated and transferred to the surroundings.…”

mentioning

confidence: 99%

Influence of reactive dyes on ultraviolet protection of cotton knitted fabrics with different fabric constructions

Wong

Lam

Kan

et al. 2015

Textile Research Journal

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The influence of coloration on ultraviolet (UV) protection of cotton knitted fabrics with different knit structures incorporated with the three major stitch types, namely knit, tuck and miss stitches, are studied in four approaches. The effects of color depth and knit structures on the ultraviolet protection factor (UPF) of fabrics are investigated. The influences of hue and color depth on the UPF of fabrics are also compared. Since UV protection offered by dyes mainly depends on their chemical structures, the UPF and color strength of fabrics colored by reactive dyes that varied in reactive groups, such as mono-functional and bi-functional reactive dyes, are examined. The correlations between UPF and the CIELAB color coordinates, color strength (K/S sum ), are analyzed. The results show that light-colored fabrics with compact structures achieve similar or even better UV protection than the dark-colored fabrics with loose structures. This implies that color property might not be a reliable indicator for UV protection of knitted fabrics and the effect of coloration on UV protection is affected by fabric construction. The results also denote that the chemical structure of reactive dyes affects the UV protection of fabrics in a qualitative approach that depends on the unique ultraviolet radiation blocking ability of the chemical constituents. Among the color coordinates investigated, only lightness (L*) and K/S sum are found to be correlated with the UPF of the fabrics, but the strength of correlations is not very strong. This is because the fabric characteristics that have significant impacts of UV protection are mostly not involved in the measurement of color properties.

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