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Contact adhesive includes that polyurethane has excessive hydroxyl functional; Medical article includes one layer of adhesive
Contact adhesive includes that polyurethane has excessive hydroxyl functional; Medical article includes one layer of adhesive
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机译:接触胶包括聚氨酯具有过多的羟基官能团;医疗用品包括一层粘合剂
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摘要
Pressure-sensitive adhesives which possess absorptivity and/or permeability properties to remove transepidermal water loss and/or other bodily fluids that come into contact with the adhesive, in combination with a fine balance of cohesion and adhesion properties, can be formulated by controlling the crosslinking of a polyurethane polymer having excess hydroxyl functionality, a glass transition temperature of less than about 0 DEG C, a moisture absorption of at least about 20% of its weight and/or a moisture vapor transmission rate of at least about 300 grams/meter2/24 hours measured at 37 DEG C and a 90% relative humidity gradient. Adhesives of these polymers possess a peel adhesion to human skin of between about 0.3 and 4 newtons/cm width of the polymer or adhesive.
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