High density polyethylene hdpe is the most rigid of the three basic types of polyethylene resins, which also include ldpe and linear low density polyethylene lldpe. The toxicological studies which have been carried out. Polyethylene glycol is also commonly used as a polar stationary phase for gas chromatography, as well as a heat transfer fluid in electronic testers. In the studies presented, the influence of the molecular weight of polyethylene glycol peg on the adsorption and electrical properties at the metal. In patients with anaemia associated with chronic kidney disease ckd, both on and not on dialysis, who had not previously received an erythropoiesisstimulating agent esa, methoxy polyethylene glycolepoetin beta administered intravenously. Synthesis and characterization of polyethylene glycol. Consideration should be given to having appropriate expansion space for the solution and to the need for an inhibited glycol based product such as dowfrost. Activation of monomethoxypolyethylene glycols by phenylchloroformates and modification of ribonuclease and superoxide dismutase. Sep 17, 2012 methoxy polyethylene glycolepoetin beta mircera is a continuous erythropoietin receptor activator, with a long halflife approximately hours.
Polyethylene pe key applications typical properties suppliers brands polyethylene is a lightweight, durable thermoplastic with variable crystalline structure. Boyland e, carter rl, gorrod jw, roe fjc 1968 carcinogenic properties of. This is expected to be a low hazard for usual industrial handling. Physical properties of poly ethylene glycol peg based resins for combinatorial solid phase organic chemistry. Peg grafting significantly altered the polymer bulk and surface properties. Polyethylene oxide has also been shown to have mucoadhesive properties. The chain branches in turn depend on the process used. A comparison of pegcrosslinked and peggrafted resins. Moreover, the synthesis mechanism of pfpegs polyurethane composite. Pdf polyethylene glycol and solutions of polyethylene glycol as. Methoxy polyethylene glycolepoetin beta springerlink. Consideration should be given to having appropriate expansion space for the solution and to the need for an inhibited glycol. Effect of the molecular weight of poly ethylene glycol on the. Nov 01, 2018 polyethylene glycol 3350, usp powder for oral solution should be administered after being dissolved in approximately 48 ounces of water, juice, soda, coffee, or tea.
In patients with anaemia associated with chronic kidney disease ckd, both on and not on dialysis, who had not previously received an erythropoiesisstimulating agent esa, methoxy polyethylene glycolepoetin beta administered. In the mix tank, ethylene glycol flows into a manifold that sprays the glycol through many small slots around the periphery of the vent line. Pdf bactericidal activity of propylene glycol, glycerine. Physical properties the chemical formula for ethylene glycol is c 2 h. Polyethylene glycol peg, also sometimes referred to as polyethylene oxide peo, is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications. The toxicological studies which have been carried out with tetraethylene glycol. The objective of this work was to create 3d hydrogel matrices with defined mechanical properties as well as tunable degradability for use in applications involving protein delivery and cell encapsulation. In july 2007 the spanish authorities informed the commission services about their findings. Department of metallurgical engineering, kogi state polytechnic, nigeria abstract.
The common name ethylene glycol literally means the glycol derived from ethylene. Polyethylene glycol peg is a biocompatible, synthetic, hydrophilic polyether compound that has many applications, mostly in the medical industry, but also in the chemical and industrial sectors. Low density polyethylene ldpe high degree of short and long chain branching density 30. The properties of polyethylene can be divided into mechanical, chemical, electrical, optical, and thermal properties. Find patient medical information for polyethylene glycol 3350 oral on webmd including its uses, side effects and safety, interactions, pictures, warnings and user ratings. A guide to glycols 10 glycolbased solutions can give excellent burst protection across a wide range of cold temperatures as indicated in figure 1. Microfluidic fabrication of polyethylene glycol microgel. Bactericidal activity of propylene glycol, glycerine, polyethylene glycol 400, and polyethylene glycol against selected microorganisms article pdf available march 2015 with 2,363 reads. Polyethylene glycol peg is a synthetic material with major characteristics of biocompatibility, water solubility, and low cost lutz and hoth, 2006. Scope of the study is to identify the effect of polyethylene glycol peg on strength characteristics of selfcuring concrete and also to evaluate influence of poly ethylene glycol on mechanical properties which are experimentally investigated. Rheological properties of polyethylene glycol solutions. Crodas group of polyethylene glycols and polyol esters are now to be known under the below tradenames. The two primary hydroxyl groups of the polyethylene glycol can undergo typical alcohol reactions to form monoesters, diesters, ethers, and acetals.
Polyethylene glycols and aqueous polyethylene glycol solutions can be sterilized by autoclaving, filtration or gamma irradiation. Pdf physical properties of polyethylene glycol peg. Physical properties of polyethylene glycol peg based resins for combinatorial solid phase organic chemistry. The terephthalic acid and ethylene glycol are mixed by kneading elements working in opposite directions. Alteration of immunological properties of bovine serum. Studies of some properties and the structure of polyethylene glycol. Polyethylene is available in a range of flexibilities, depending on the production process.
Polyethylene is of low strength, hardness and rigidity, but has a high ductility and impact strength as well as low friction. It is the most widely used plastic in the world, being made into products ranging from clear food wrap and shopping bags to detergent bottles and fuel tanks. Microfluidic encapsulation platforms have great potential not only in pharmaceutical applications but also in the consumer products industry. Pdf three series of polyethylene glycol pegbased polymers were synthesized and characterized with respect to their physical properties find, read. Polyethylene glycol peg is an oligomer or polymer of ethylene oxide, with the. Pdf physical properties of polyethylene glycol pegbased. They can prevent foaming and therefore used in preparations where foaming is not required in food industry. Rheological properties of polyethylene glycol solutions and gels. Synthesis, characterization, and bacterial fouling. Feb 04, 2020 polyethylene glycol peg is a biocompatible, synthetic, hydrophilic polyether compound that has many applications, mostly in the medical industry, but also in the chemical and industrial sectors. Polyethylene glycol peg is a hydrophilic polymer that may have neuroprotective properties such as aiding in repairing damaged axons kwon et al. Polyethylene glycol peg selection guide sigmaaldrich.
Polyethylene terephthalate pet or pete is a generalpurpose thermoplastic polymer which belongs to the polyester family of polymers. Polyester resins are known for their excellent combination of properties such as mechanical, thermal, chemical resistance as well as dimensional stability. This is a brief description of the properties of the ethylene glycol for industrial porpouses. Hydrolytically degradable polyethylene glycol hydrogel. The commercially available pegs are distinguished by writing the average molecular weight after the abbreviation, e. Polyethylene glycol is also commonly used as a polar stationary phase for gas. Pdf the properties of the polyethylene glycol complex. Since peg is a flexible, watersoluble polymer, it can be used to create very high osmotic pressures on the order of tens of atmospheres. Polyethylene glycol properties and the applications in. Furthermore, it is listed in section ii, perfume and aromatic raw materials. No metabolism of peg400 to ethylene glycol after oral administration to dogs and.
Abstract the effect of the molecular weight of polyethylene glycol peg on the physical properties of waterbased magnetic fluids with sodium. The incorporation of phenol and formaldehyde into peg improved the mechanical properties of polyurethane films, glass transition temperature t g, and thermal properties but resulted in the brittleness characteristic of the composite films and low crystallization properties. Pdf ethylene glycol properties david salcido academia. Polyethylene, light, versatile synthetic resin made from the polymerization of ethylene. Polyethylene glycols are chemically stable in air and in solution although grades with a molecular weight less than 2000 are hygroscopic.
Polyethylene glycol 3350, usp powder for oral solution softens the stool and increases the frequency of bowel movements by retaining water in the stool. The high quality polyethylene glycols are utilized in the form of dispersing agents, solvents, ointments, in suppository bases, and as laxatives in medical, pharmaceuticals and cosmetics industries. In this work, a microfluidic tec emerging investigators 2017. Occupational exposure to polypropylene glycol may occur through inhalation where mists are formed from violent agitation or high temperatures, and dermal contact with this compound at workplaces where polypropylene glycol is produced or used2. The enduses for ethylene to ensure you delivery of ethylene glycol when and glycol are numerous. A guide to glycols 10 glycol based solutions can give excellent burst protection across a wide range of cold temperatures as indicated in figure 1. Background diethylene glycol deg cas 111466 is listed in the inventory with functions as solvent, viscosity controlling and maskingperfuming. Studies on properties of selfcuring concrete using poly. The relative heat transfer coefficients can be calculated using the following data. Polyethylene glycols pegs up to a molecular weight of 400 are readily. Crystallinity yfor polyethylene, the degree of crystallinity has the largest influence on barrier properties. Polyethylene glycols and polyol esters offer diverse properties for the formulation of a wide range of consumer care and industrial systems. The properties of polyethylene are highly dependent on type and number of chain branches.
These properties make peg one of the most useful molecules for applying osmotic pressure in biochemistry and biomembranes experiments, in particular when using the osmotic stress technique. Polyethylene glycol not listed as a carcinogen by acgih, iarc. Dropletbased microfluidics is increasingly used for the production of monodisperse polymer microcapsules for biomedical applications. In the present documentation the abbreviation peg is used for polyethylene glycol. Polyethylene glycol has a low toxicity and is used in a variety of products. Synthesis and characterization of polyethylene glycolphenol. Molecular weight 380 420 range of average hydroxyl number, mg kohg 264 300. The unique properties and applications of peg have been discussed at length in the existing literature. Pdf the properties of the polyethylene glycol complex peg.
It is one of the most widely produced plastics in the world tens of millions of tons are produced worldwide each year. Polyethylene glycol an overview sciencedirect topics. The effect of polyethylene glycol hoch2ch2noh as quenchant was studied with a view to accessing the mechanical properties and microstructural evaluation of steel. Carpol peg400 polyethylene glycol carpol peg400 polyethylene glycol is a polyol that is functionally 100% active. Polyethylene glycol not listed as a carcinogen by acgih, iarc, ntp, or ca prop 65. These properties make peg one of the most useful molecules for applying osmotic pressure in biochemistry. Dobson, institute of terrestrial ecology, natural environment research council, huntingdon, united kingdom please note that the layout and pagination of this pdf file are not identical to those of the printed cicad. Synthesis, characterization, and bacterial foulingresistance. A comparison of ethylene glycol and propylene glycol heat.
The physical properties distribution system of plants, terminals, ware of ethylene glycolwater mixtures are therefore houses, tankers, barges, tankcars, and trucks helps extremely important. Feb 25, 2019 in this framework, polyethylene glycol peggrafted segmented polyurethanes were synthesized, physicochemically characterized, and evaluated with respect to their bacterial foulingresistance properties. Polyethylene glycol is a polyether compound with many applications, from industrial. Polyethylene is a member of the important family of polyolefin resins. The polymer is used as a lubricating coating for various surfaces in aqueous and nonaqueous environments. Polyethylene glycol fda prescribing information, side.
It also is unlikely to have specific interactions with biological chemicals. Polyethylene glycol peg is a condensation polymer of ethylene oxide and water. Physical properties of polyethylene glycol pegbased resins for. Polyethylene glycolconjugated pharmaceutical proteins pdf. The pegbased resins displayed almost equal swelling properties in dmf and water, in contrast to argogeloh, tentagel s. These properties are important in the application of low molecular weight liquid peg as a solvent in chemical reactions. These properties make peg one of the most useful molecules for applying osmotic pressure in biochemistry,and biomembranesexperiments, in particular when using the osmotic stress technique. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms a 1,2diol.
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