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Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene.Also known as high-modulus polyethylene (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. [1]
IPX 2000 Ultra-high-molecular-weight polyethylene (IPX 2000, IPX UHMW, IPX UHMW-PE, IPX-UHMW-PE) is an engineered polyethylene compound developed to maintain many traits of UHMW, while increasing abrasion resistance, UV stability and decreasing friction and thermal expansion. [1]
The high molecular weight makes it a very tough material, but results in less efficient packing of the chains into the crystal structure as evidenced by densities of less than high-density polyethylene (for example, 0.930–0.935 g/cm 3). UHMWPE can be made through any catalyst technology, although Ziegler catalysts are most common.
Multifilament line, also referred to as The Super Lines, is a type of fishing line. [1] It is a braided line which is made up of ultra-high-molecular-weight polyethylene (UHMWPE), a specialty polyethylene polymer that makes an extremely thin line for its strength.
The mass-average molecular mass, M w, is also related to the fractional monomer conversion, p, in step-growth polymerization (for the simplest case of linear polymers formed from two monomers in equimolar quantities) as per Carothers' equation: ¯ = + ¯ = (+), where M o is the molecular mass of the repeating unit.
Most thermoplastics have a high molecular weight. The polymer chains associate by intermolecular forces , which weaken rapidly with increased temperature, yielding a viscous liquid. In this state, thermoplastics may be reshaped, and are typically used to produce parts by various polymer processing techniques such as injection molding ...
Dyneema Composite Fabric is a laminated fabric constructed from ultra high molecular weight polyethylene fiber monofilaments and polyester, polyvinyl fluoride, etc. films. Cuben fiber is sometimes confused with carbon fiber, one of the many fibers used as a reinforcement in some Cuben Fiber laminates. Cubic Tech Corporation's ultra-high ...
The high solvent retention allows for ultra-high drawing as with ultra high molecular weight polyethylene (UHMWPE) (e.g., Spectra ®) to produce fibers with a high degree of orientation, which increases fiber strength. The fibers are first cooled either with air or in a liquid bath to induce gelation, then the solvent is removed through ageing ...
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