Composite non-woven fabric and article comprising same

• Main Authors: YOUN DO-KYUNG, CHUNG JIN-IL, JUNG, GEON-SIK
• Format: Patent
• Language: Chinese; English
• Published: 30.12.2022
• Subjects: BRAIDING; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; KNITTING; LACE-MAKING; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; NON-WOVEN FABRICS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TEXTILES; TRANSPORTING; TRIMMINGS; WADDING

Disclosed are a composite non-woven fabric and an article including the same. The non-woven fabric comprises a melt-blown non-woven fabric layer subjected to electrification treatment and a spun-bonded non-woven fabric layer on one side or two sides of the melt-blown non-woven fabric layer, and the tiny dust prevention performance retention rate of the non-woven fabric is larger than or equal to 80%. The fine dust prevention performance retention rate is represented by the following mathematical formula 1: "Mathematical formula 1" fine dust prevention performance retention rate (%) = (fine dust prevention efficiency after accelerated aging treatment)/(fine dust prevention efficiency before accelerated aging treatment) * 100, in the formula, the fine dust is an aerosol including sodium chloride dispersed in the air; the accelerated aging treatment means that the composite non-woven fabric is stored for 3 days at the temperature of 70 DEG C. 公开一种复合无纺布及包括其的物品。本发明公开的无纺布包括经起电处理的熔喷无纺布层以及其一面或两面的纺粘无纺布层，其中，其防微尘性能保持率大于