Elastic stretch thin layer comfort material

Unicharm of Japan disclosed in USP 6 649 546 a elastic stretch thin layer material developed by Unicharm of Japan for disposable products such as diapers, sanitary napkins, incontinence products or surgical robes. This material has a comfortable feel and consists of an elastic layer and an non-elastic fiber layer bonded to each other. Elastic layers made of elastic fibers can be non-woven, woven or thin films. The non-elastic layer consists of a variety of fibers, which contain a mass of 0. 1% ~ 5. Thermoplastic synthetic fiber of 0% lubricating oil. These two structural layers can be combined by heating under pressure, ultrasonic treatment, or by acupuncture or Spurs.