Discussion on the classification of UD Nonwovens

2021-07-14 05:17:17

UD nonwovens wholesale discussion on the classification of nonwovens:
1、 Spunlaced nonwoven fabric
Spunlaced process is to spray high-pressure micro water onto one or more layers of fiber mesh to entangle the fibers together, so as to strengthen the fiber mesh and have a certain force.
2、 Heat sealing non-woven fabric
Heat bonded non-woven fabric refers to adding fibrous or powdery hot-melt bonding reinforcement materials to the fiber web, and then strengthening the fiber web into cloth through heating, melting and cooling.
3、 Pulp air laid nonwoven fabric
Air flow net non-woven fabric can also be called dust-free paper and dry papermaking non-woven fabric. The utility model adopts the air flow netting technology to loosen the wood pulp fiberboard into a single fiber state, and then uses the air flow method to agglutinate the fibers on the netting curtain, and then the fiber mesh is reinforced into cloth.
4、 Wet non-woven fabric
Wet non-woven fabric is to loosen the fiber raw materials placed in the aqueous medium into a single fiber, mix different fiber raw materials at the same time, and make the fiber suspension slurry. The suspension slurry is transported to the netting mechanism, and the fiber is netted in the wet state and then reinforced into cloth.
5、 Spunbonded nonwoven fabric
Spunbonded non-woven fabric is that after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a network, and the fiber network is transformed into non-woven fabric through self bonding, thermal bonding, chemical bonding or mechanical reinforcement.

6、 Melt blown nonwoven fabric
The technological process of melt blown non-woven fabric: polymer feeding - melt extrusion - fiber formation - fiber cooling - Netting - reinforcement into cloth.
7、 Needle punched nonwoven fabric
Needle punched non-woven fabric is a kind of dry non-woven fabric. Needle punched non-woven fabric uses the puncture effect of needle to strengthen the fluffy fiber net into cloth.
8、 Sewn nonwoven fabric
Sewn non-woven fabric is a kind of dry non-woven fabric. Sewn non-woven fabric is made by reinforcing fiber mesh, yarn layer, non-woven materials (such as plastic sheet, plastic thin metal foil, etc.) or their combinations with warp knitted coil structure.



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