Produto absorvente descartável resistente ao óleo

• Main Authors: BRIAN KEITH NORTMAN, RUTH ANN LACHAPELL, DOUGLAS ALLEN WOLLER, DUANE KENNETH ZACHARIAS
• Format: Patent
• Language: Portuguese
• Published: 03.08.1999
• Edition: 6
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMISTRY; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; DYES; HUMAN NECESSITIES; HYGIENE; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METALLURGY; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

Disclosed is an adhesive that exhibits desired oil-resistance and processing 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 4x105 dynes per square centimeter at 40 DEG C. across the frequency range of about 0.1 to about 100 radians per second; an Elastic Modulus in Oil value that is greater than about 4x105 dynes per square centimeter at 40 DEG 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 DEG F.; and a Viscosity value of greater than about 60,000 centipoise at a temperature of about 250 DEG F.