首页>
外国专利>
Spraying method using gas flow for producing biodegradable fibrils, non-woven fabric composed of biodegradable fibrils, and article composed of such non-woven fabric
Spraying method using gas flow for producing biodegradable fibrils, non-woven fabric composed of biodegradable fibrils, and article composed of such non-woven fabric
The present invention comprises processes for preparing biodegradable fibrils from one or more biodegradable homopolymeric or copolymeric resins, said process comprising: a) forming a liquid resin mixture by melting or solvating the resin or resins; and b) introducing the liquid resin mixture to a flow of a gaseous substance. The present invention further comprises biodegradable fibrils made according to the processes of the present invention. The invention further comprises nonwoven fabrics comprising biodegradable fibrils. The invention further comprises disposable absorbent articles comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, wherein the topsheet comprises a nonwoven substrate comprising biodegradable fibrils. The invention further comprises disposable articles comprising biodegradable fibrils.
展开▼
