Oil-resistant disposable absorbent product

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/58 (2006.01) A61L 15/22 (2006.01)

Patent

CA 2249338

Disclosed is an adhesive that exhibits desired oil-resistance andprocessing properties. The adhesive is suitable for use in elastic composites and disposable absorbent products. In one embodiment, the adhesive exhibits the following properties; an Elastic Modulus value that is greater than about 4 x 105 dynes per square centimer at 40 ~C across the frequency range of about 0.1 to about 100 radians per second; and Elastic Modulus in Oil value that is greater than about 4 x 105 dynes per square centimer at 40 ~C across the frequency range of about 0.1 to about 100 radians per second; a Viscosity value of less than about 40,000 centipoise at a temperature of about 275 ~F; and a Viscosity value of greater than about 60,000 centipoise at a temperature of about 250 ~F.

La présente invention concerne un adhésif faisant présentant des caractéristiques particulières de traitement et de résistance à l'huile. Cet adhésif convient pour des composites élastiques et des articles absorbants jetables. Dans l'une de ses réalisations, l'adhésif présente les caractéristiques suivantes: un module élastique supérieur à environ 4 x 10?5¿ dyn/cm?2¿ à 40 ·C dans la plage de fréquences allant d'environ 0,1 à environ 100 rad/s; un module élastique dans l'huile supérieur à environ 4 x 10?5¿ dyn/cm?2¿ à 40 ·C dans la plage de fréquences allant d'environ 0,1 à environ 100 rad/s; une viscosité inférieure à environ 40.000 centipoises à une température d'environ 275 ·F; et une viscosité supérieure à environ 60.000 centipoises à une température d'environ 250 ·F.

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