Nonwoven fabrics are materials that are made from fibers or filaments that are bonded together without weaving or knitting. They have many advantages over woven or knitted fabrics, such as lower cost, higher production speed, greater flexibility, and better durability. Nonwoven fabrics are widely used in various industries, such as medical, hygiene, agriculture, construction, packaging, and apparel.
One of the most common types of nonwoven fabrics is pp spunbond non woven fabric. PP stands for polypropylene, which is a thermoplastic polymer resin that has high strength, resistance to chemicals and heat, and low density. PP spunbond nonwoven fabric is made by a process called spunbond technology, which involves extruding molten PP through fine nozzles to form continuous filaments that are then laid down randomly on a moving conveyor belt. The filaments are bonded together by hot rolling or thermal bonding to form a fabric with a three-layered structure1.
PP spunbond nonwoven fabric has many characteristics that make it suitable for various applications. Some of the main features are:
Moisture-proof: PP spunbond nonwoven fabric is hydrophobic, meaning it repels water and does not absorb moisture. This makes it ideal for products that need to be waterproof or moisture-resistant, such as diapers, sanitary napkins, surgical gowns, and roofing materials.
Breathable: PP spunbond nonwoven fabric allows air to pass through easily, making it comfortable and breathable for the skin. This is beneficial for products that need to be soft and skin-friendly, such as clothing, pillowcases, and mattress covers.
Flexible: PP spunbond nonwoven fabric can be easily cut, sewn, folded, or shaped according to the desired design. It can also be laminated or coated with other materials to enhance its properties or appearance. This gives it great flexibility and versatility for products that need to be customized or decorated, such as bags, shoes, furniture, and packaging.
Durable: PP spunbond nonwoven fabric has high tensile strength and tear resistance, making it durable and long-lasting. It can also withstand high temperatures and UV rays without losing its quality or color. This makes it suitable for products that need to be durable and stable, such as crop covers, weed control fabrics, pipe wraps, and geotextiles.
laminated pp woven fabric is also eco-friendly and recyclable. Unlike some other plastics, PP does not release harmful substances or microplastics into the environment. It can be recycled and reused multiple times without losing its performance or value. This reduces the waste and pollution caused by disposable products and contributes to environmental protection
Types of PP spunbond nonwoven fabric. Some of them are:
Meltblown nonwoven fabric: This type of nonwoven fabric is made by extruding molten polymer through fine nozzles and blowing hot air to stretch and attenuate the filaments. The filaments are then collected on a screen or a drum to form a fine and uniform web. Meltblown nonwoven fabric has very small pores and high surface area, making it ideal for filtration, insulation, and barrier applications.
Spunlace nonwoven fabric: This type of nonwoven fabric is made by entangling fibers or filaments with high-pressure water jets. The water jets create bonds between the fibers or filaments, resulting in a fabric with good strength, softness, and drapability. Spunlace nonwoven fabric is widely used for wipes, medical dressings, cosmetic pads, and apparel.
Air-laid nonwoven fabric: This type of nonwoven fabric is made by dispersing fibers or fluff pulp in an air stream and then forming a web on a porous belt or a wire mesh. The web is then bonded by thermal, chemical, or mechanical means. Air-laid nonwoven fabric has high absorbency, bulkiness, and softness, making it suitable for hygiene products, napkins, and tissue paper.
Wet-laid nonwoven fabric: This type of nonwoven fabric is made by suspending fibers or pulp in water and then forming a web on a screen or a paper machine. The web is then dried and bonded by various methods. Wet-laid nonwoven fabric has similar properties to paper, such as smoothness, printability, and dimensional stability. It is used for wallpaper, tea bags, coffee filters, and battery separators.
Comments
Post a Comment