Non-woven manufacturer XINYU analyzes the characteristics and processes of different non-woven fabrics for you

Introduction to non-woven fabrics

Non-woven fabrics (English name: Non Woven Fabric or Nonwoven cloth), also known as non-woven fabrics, are composed of directional or random fibers, and are a new generation of environmentally friendly materials. Moisture-proof, breathable, flexible, light in weight, non-combustible, easy to decompose, non-toxic and non-irritating, rich in color, low in price, recyclable and so on. For example, polypropylene (pp material) pellets are used as raw materials, and are produced by a continuous one-step method of high temperature melting, spinning, laying, and hot pressing and coiling. It is called cloth because of its appearance and certain properties.

XINYU non-woven fabric manufacturers analyze the non-woven fabric manufacturing process of spunbond, meltblown and spunlace for you.

Spunbond

Spunbond non-woven fabric is that after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web, and the fiber web passes through itself. Bonding, thermal bonding, chemical bonding or mechanical reinforcement methods to turn webs into nonwovens.

Process flow of spunbond method

Spunbond non-woven fabrics are made of continuous filaments after the polymer has been extruded and stretched. Then through self-bonding, thermal bonding, chemical bonding or mechanical reinforcement methods, the web becomes a non-woven fabric.

Features

The fiber web is composed of continuous filaments, with excellent tensile strength, many process changes, and can be reinforced by various methods. Poor, poor web uniformity

Applications:

Polypropylene: geotextiles, tufted carpet base fabrics, coated base fabrics, medical materials, disposable products covering materials, etc.

meltblown

The process of meltblown nonwoven fabric: polymer feeding---melt extrusion---fiber formation---fiber cooling---web forming --- Reinforced into cloth.

Melt-blown process:

After the polymer has been extruded and left the spinneret hole, the melt is blown into ultra-fine staple fibers under the action of high-speed hot air, and extruded into a piece It flies to the net at a high speed, and then is reinforced by thermal bonding or self-bonding to form a non-woven fabric.

Features

The fiber web is composed of very fine but unconnected shorter fibers;

The fiber web has good uniformity and soft hand feeling;

Good filtration performance and liquid absorption performance;

Poor web strength.

Product application

Filter materials, medical and health materials, clothing materials, battery separator materials, wiping materials.

Spunlace

The spunlace process is a process of spraying high-pressure fine water jets onto one or more layers of fiber webs to entangle the fibers with each other, so that the fiber webs are reinforced and have Must be strong.

The high-pressure fine water jet is sprayed onto one or more layers of fiber webs, so that the fibers are entangled with each other, so that the fiber webs are reinforced and have a certain strength.

Features

Flexible entanglement, does not affect the original characteristics of the fiber, and does not damage the fiber;

Appearance is closer to traditional textiles;

High strength, low fluff;

High hygroscopicity, fast moisture absorption;

soft hand, good drapability

variable appearance patterns;

The production process is long and covers a large area;

The equipment is complex and the water quality requirements are high;

The energy consumption is large.

Product application

Medical curtains, surgical gowns, surgical cover cloths, medical dressing materials, wound dressings, medical gauze, aviation wipes, clothing lining fabrics, coated fabrics, Disposable materials, high-grade rags for instruments, high-grade rags for the electronics industry, towels, cotton pads, wet wipes, mask covering materials, etc.

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