초록 ▼

The invention relates to drylaid nonwoven materials comprising bicomponent fibres comprising a low melting polyolefin component and a high melting polyolefin component, the low melting polyolefin component constituting at least a part of the surface of the fibre and comprising a non-grafted polyolef

The invention relates to drylaid nonwoven materials comprising bicomponent fibres comprising a low melting polyolefin component and a high melting polyolefin component, the low melting polyolefin component constituting at least a part of the surface of the fibre and comprising a non-grafted polyolefin component and a grafted polyolefin component, wherein the grafted polyolefin component has been grafted with an unsaturated dicarboxylic acid or an anhydride thereof, e.g. with maleic acid or maleic anhydride. The bicomponent fibres fibres have an excellent bonding affinity for natural fibres such as cellulose pulp fibres and allow the production of airlaid nonwovens with reduced generation of dust during the production process and with improved nonwoven strength properties.

대표청구항 ▼

[ We claim:] [1.] A drylaid nonwoven material comprising bicomponent fibres each fibre comprising:A) a high melting polyolefin component; andB) a low melting polyolefin component1) having a melting point at least 4.degree. C. lower than the melting point of said high melting polyolefin component,2)

[ We claim:] [1.] A drylaid nonwoven material comprising bicomponent fibres each fibre comprising:A) a high melting polyolefin component; andB) a low melting polyolefin component1) having a melting point at least 4.degree. C. lower than the melting point of said high melting polyolefin component,2) constituting at least a part of the surface of said bicomponent fibre, and3) comprising a non-grafted polyolefin component and a grafted polyolefin componenta) wherein said grafted polyolefin component has been grafted with an unsaturated dicarboxylic acid or an anhydride thereof.