Question 09 (Textile Technology & Fibre Science)
| Q.9 | The nonwoven technology which uses high-pressure water jets is |
| (A) | Needlepunching |
| (B) | Spunlacing |
| (C) | Spunbonding |
| (D) | Meltblowing |
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Answer / Solution Needle punching, spunlacing, spunbonding, and meltbonding are all methods of producing nonwoven fabrics. Nonwoven fabrics are textiles that are made by bonding or interlocking fibers together rather than by weaving or knitting them.
Water jet pressure is used in spunlacing whereas barbed needles are used in needle punching mechanical web bonding nonwoven technology.
Frequently Asked Questions | FAQs
What is needle punching ?
Needle punching, spunlacing, spunbonding, and meltbonding are all methods of producing nonwoven fabrics. Nonwoven fabrics are textiles that are made by bonding or interlocking fibers together rather than by weaving or knitting them.
Needle punching is a process where fibers are mechanically entangled using a series of barbed needles. The fibers are first layered and then passed through the needles, which interlock the fibers and bind them together. The resulting nonwoven fabric is durable, lightweight, and highly porous, and is commonly used in applications such as filtration, insulation, and geotextiles.
What is spunlacing ?
Spunlacing is a process where fibers are mechanically entangled using high-pressure water jets. The fibers are first formed into a web and then passed through the jets, which cause the fibers to interlock and bond together. The resulting nonwoven fabric is soft, strong, and highly absorbent, and is commonly used in applications such as wipes, medical textiles, and personal care products.
What is spunbonding ?
Spunbonding is a process where extruded filaments of thermoplastic polymers are laid down on a moving conveyor belt or roller. The filaments are then bonded together using heat or pressure, forming a nonwoven fabric with a uniform structure and good strength. Spunbonded fabrics are commonly used in applications such as medical textiles, geotextiles, and hygiene products.
What is meltbonding ?
Meltbonding is a process where thermoplastic fibers are extruded and then cooled to form a web. The web is then heated until the fibers melt and bond together, forming a nonwoven fabric with good strength and stability. Meltbonded fabrics are commonly used in applications such as filters, protective clothing, and insulation.