Elastomeric Fiber Elastomer :        Elastomeric Fibers   !"##$%&##'(            ! (   ! (   %%  !)(   Fig-1:Elastomeric Fibers The spinning Process  *% !%+,(  -%.- .+    Physical properes of elastomeric ber (spandex)  -/#01  2/'3'%'04  /"##%1##$  /  )/#5$  6/7  /  8/*  9/9 Chemical properes of elastomeric ber  /  :/,   ;/:   </=  </7  </=  </>;  2/2  Preparaon of the elastomeric bers  - ?0?  !4##@'3( AB%      [...]... resistance 7 The fibre is generally inert and is resistant to wide range of chemicals at ordinary temperatures They are attacked by oxidising agents 8 Excellent electrical and chemical resistance 9 Very good abrasion resistance 10 Other Properties •Specific Gravity- 0.92 •Tenacity - 1. 0-1 .5 gpd •Elongation at Break %- 4 5-5 0 •Tensile Strength psi - 15000 •Softening Range: deg C- 8 5-9 0 Application of Polyethylene... voltage, distance and the viscosity of the polymer Beadless nanofiber membrane that consisted of polybutadiene was obtained under the condition of 5.25wt %, 25KV, and 5cm The mean diameter of the fiber was 0.46 µm In addition, it was found that fibers without beads were obtained by growing the multi-cone in the needle tip It was possible to coelectrospin VGCF or VGNF with the elasotomer The viscosity... heavy-duty casters Lined pipe, water valves, pump impellers, hopper car liners, conveyor belts, grain buckets, grain chute liners,marine bumpers, buoys, marine hoses, mining screens, cyclone liners, cattle tags Roller wheels, ski boots, bicycle tires, horseshoes, athletic shoes 8.Home furnishing Micro-bend pillows Polyethylene Fiber A manufactured fiber made of polymerized polyethylene units It is often... are cooled to 15 -6 0 deg C and stretched 4 to 10 times their original length The drawn monofilaments are wound on spools Fig-2: Spinning process of polyethylene fiber Properties of Polyethylene Fiber  1 Polyethylene fibre has a round cross section and has a smooth surface Fibres made from low molecular weight polyethylene have a grease like handle 2 The moisture regain of polyethylene is practically... hence moisture does not affect the mechanical properties of the fibres 3 Higher energy is needed to break because of specific modulus and high specific strength 4 Polyethylene is insoluble in most of the common organic solvents at room temperature 5 Polyethylene fibres have a high degree of resistance to acids and alkalies at all concentrations even at high temperature 6 Very good ultra violet resistance... Fiber A manufactured fiber made of polymerized polyethylene units It is often a monofilament, but is also available as continuous filament yarns and as staple fiber Polyethylene is a polymer Many no of ethylene monomers join with each in the synthesis of polyethylene polymer Polyethylene yarn cannot be dyed It is colored by the addition of pigments and dyes to the melt at extrusion Polyethylene can be created... after the initial fibers freely rose from underwater to water surface and stayed for about 3 min in the tap-water, they were taken out of the water tank and received vertical stretching up to 5–6 times of the initial length in another water tank full of tap-water or air, and after the vertical stretching was kept for about 40 min, the stretched fibers were prepared Fourthly, the stretched fibers were placed... under vacuum, and the final fibers were produced After the initial helical fibers were taken out of the tapwater, they were directly dried in the same conditions without vertical stretching, and the final helical fibers were also made Various other types of elastomers:     Thermoplastic elastomers (TPE) The proteins resilin and elastin Polysulfide rubber Elastolefin, elastic fiber used in fabric productio... shields Fish netting Concrete reinforcement Protective clothing Can be used in radar protective cover because of its low dielectric constant Can be used as a lining material of a pond which collects evaporation of water and containment from industrial plants Conclusion The preparation of a nanofiber membrane of an elastomer was successful using the electrospinning process The diameter of the fiber is dependent... made into the repeating unit of a large, polymeric (multiple-unit) molecule, ethylene has the following chemical structure: Ethylene Polyethelyn polymer Molecular structure of polyethelyne fibre Spinning process of polyethylene fiber  Spinning of polyethylene is carried out by melt spinning The polymer with a molecular weight of about 15,000 is spun from the melt at about 205 deg C and extended through . of elastomers  -  !-& lt;(  -   <      Applicaon of elastomeric ber  '      3  :    0A  A.   "8  ?.   %%  !)(   Fig-1 :Elastomeric Fibers The spinning Process  *% . Elastomeric Fiber Elastomer :        Elastomeric