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Recent development of man made fiber

Presented byMd Al Mottaki

ID:121-23-2921

Recent development of man made fiber:

Up to this time, two types of fibers have been available to human society, natural fibers that have existed for 4000 years and synthetic fibers. Artificial silk invented was a human dream. Then nylon introduced was finer than spider's thread, stronger than steel and more elegant than silk.

Spider silk: It is a fibrous protein secreted as a fluid, which

hardens as it oozes out of the spinnerets, which are mobile finger-like projections. Spider silk is so elastic that it doesn't break even if stretched 2-4 times its length. Spider silk is also waterproof, and doesn't break at temperatures as low as -40C.

Spider silk:

Properties: Spider silk is incredibly tough and is stronger by

weight than steel.  Quantitatively, spider silk is five times stronger

than steel of the same diameter. It is finer than the human hair. Spider silk is also very elastic and capture silk.

Spider silk:

Uses: Swathing silk for the wrapping and immobilization of

prey.  Webs for catching prey using sticky silk - it is elastic to

prevent the prey from rebounding off the web. Parachuting or ballooning which is used to aid the

dispersal of young and to find new areas as a food source.

Shelters such as burrows or nests.

Fig: spider silk

Presented ByMd. Pahan Mazumder

ID:121-23-2884

Micro supreme Acrylic Micro fiber:

Acrylic, especially micro denier, not only creates greater comfort for the wearer, it also brings significant fabric advantages to all kinds of apparel.

Micro supreme Acrylic Micro fiber:

Characteristic: • Comfortable.

• Soft, lasting hand.

• Fabulous drapes.

• Easy washing, wrinkle resistance.

• Beautiful, full-color dyeing.

• Brightly colorfast.

• Odor and mildew resistance.

For cold weather apparel acrylic provides outstanding insulation and warmth without extra weight.

Micro supreme Acrylic Micro fiber:Uses: Outerwear-Pile Fabrics. Thermal Underwear. Socks/Tights. Sweaters. Sleepwear.

Some image of micro supreme acrylic micro fiber:

Presented byS.M Khairul hasan

ID:121-23-2973

Melamine: A manufactured fiber in which the fiber-forming

substance is a synthetic polymer composed of at least 50% by weight of a cross-linked melamine polymer. Moreover, the dielectric properties and cross section shape and distribution make it ideal for high temperature filtration applications.

Melamine:Characteristic: White and Dye able. Flame resistance and low thermal

conductivity. High heat dimensional stability. Process able on standard textile

equipment.

Melamine:

Uses: Fire Blocking Fabrics: Aircraft seating,

fire blockers· for upholstered furniture in high-risk occupancies.

Protective Clothing: Firefighters 'turnout gear, insulating thermal liners, knit hoods, molten metal splash apparel, heat resistant gloves.

Filter Media: High capacity, high efficiency, high temperature bag house air filters.

Some image of melamine:

Presented byMd Ruhul Amin

ID:121-23-3008

Spectra fiber 1000 :High-strength, lightweight polyethylene fiber.

Spectra® fiber 1000, the second in a series of Spectra® fibers, was developed to meet customers' needs for increased performance. It is available in a multitude of deniers for use in a wide range of applications. This extended chain polyethylene fiber has one of the highest strength to weight ratios of any manmade fiber.

Spectra fiber 1000 :

Characteristics: o Light enough to float (.097 Specific Gravity)

High resistance to chemicals, water, and UV light o Excellent vibration damping o Highly resistant to flex fatigue o Low coefficient of friction o Good resistance to abrasion o Low dielectric constant makes it virtually

transparent to radar.

Spectra fiber 1000 :

Uses: o Police and military ballistic vests and

helmets. o Composite armor for vehicles and

aircraft. o Marine lines and commercial fishing

nets. o Industrial cordage and slings.

Image of Spectra fiber 1000 :

Presented bySayed Mirajul Haq

ID:121-23-2975

Super absorbent fiber:In last few years, super absorbents in fiber from

have become a commercial reality. The recent commercial availability of super absorbent fibers has spurred an enormous amount of development activity in many market applications including telecommunications, packaging, horticulture, electronics and disposable hygiene products. Typically the fiber will absorb 95% of its ultimate capacity in 15 sec.

Super absorbent fiber:Characteristics: Free swell absorbency, even under pressure. Softness and flexibility. Low migration of the super absorbent where

dry and wet. High rate of liquid up –take. Fabric dispersion when wet.

Super absorbent fiber:Uses: Medical instrument.. Hot & cold therapy packs. Spill control. Surgical pads. Fuel monitor systems in vehicles.

Image of Super absorbent fiber:

Thank’s everyone.