polyethylene

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polyethylene

 [pol″e-eth´ĭ-lēn]
polymerized ethylene, (—CH2—CH2—)n, a synthetic plastic material, forms of which have been used in reparative surgery.
polyethylene glycol a polymer of ethylene oxide and water, available in liquid form (polyethylene glycol 300 or 400) or as waxy solids (polyethylene glycol 1540 or 4000), used in various pharmaceutical preparations as a water-soluble ointment base. Polyethylene glycol is also used as a laxative.

polyethylene

/poly·eth·y·lene/ (-eth´ĭ-lēn) polymerized ethylene, (—CH2—CH2—)n, a synthetic plastic material, forms of which have been used in reparative surgery.
polyethylene glycol  (PEG) a generic name for mixtures of condensation polymers of ethylene oxide and water, available in liquid form (polymers with average molecular weights between 200 and 700) or as waxy solids (average molecular weights above 1000); some are used as pharmaceutic aids, and p. glycol 3350 is used as a laxative.

polyethylene

[pol′ē·eth′ilēn]
a strong but flexible synthetic resin produced by the polymerization of ethylene. Polyethylene materials have been used in surgery.

Plastazote

thermoplastic expanded polyethylene plastic with good insulating properties, formed as heat-mouldable sheets in a variety of thicknesses (e.g. 2-25mm), and varying densities (e.g. soft and hard); used to make moulded orthoses Table 1
Table 1: Common thermoplastics (3mm thickness) used in orthoses manufacture
MaterialMoulding temperature (°C)Heating time (minutes)
Hexcelite723
Aquaplast1003
Pacton1105
Evazote1306
Plastozote1408
Polythene14010
Ortholene16514
Polypropylene16515
Rohadur17018
TL61 carbon fibre18020

Note: Heating times will need to be adjusted up or down for thicker or thinner materials.

polyethylene

polymerized ethylene (CH−CH2)n, a synthetic plastic material, forms of which have been used in reparative surgery.

polyethylene glycol
a polymer of ethylene oxide and water, available in liquid form (polyethylene glycol 300 or 400) or as waxy solids (polyethylene glycol 1540 or 4000), used in various pharmaceutical preparations as a water-soluble ointment base.
polyethylene glycol electrolyte solution
an osmotic solution used as a cathartic to empty the bowel in preparation for endoscopy. Abbreviated PEG. Called also GoLYTLEY.
polyethylene suture
one of the better monofilament fibers because of its good handling, low capillarity, high tensile strength and longevity in tissue. It has only moderate knot-holding capacity.
References in periodicals archive ?
Such molecules include long chain acids, alcohols, and wax esters with extensive polymethylene chains (Ma'shum et al.
As a matter of fact, the compatibilizer used in this work has a chain length comparable to that of the PE matrix, and this probably allows the HDM polymethylene segments to penetrate into the PE phase.
Its accumulation is attributed to the formation of polymethylene end products by the microbial mineralisation of SOM under aerobic conditions (Oades 1995), and to the selective utilisation of other labile forms of plant C and preservation of plant- derived polymers (such as cutin, suberin, etc.
In spite of the increasing interest and numerous papers on the in-situ composites, most of the published papers deal with unsubstituted wholly aromatic main chain LCPs; less attention has been paid to the processing and properties of blends containing TLCPs having polymethylene groups either in the main chain (10-12) or as side substituents (13).