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Polymers utilised in construction
Published in Ash Ahmed, John Sturges, Materials Science in Construction: An Introduction, 2014
This is an elastomeric polymer also called EPDM and EPM. EDPM is one of the most widely used and fastest-growing synthetic rubbers, having both specialty and general-purpose applications. In construction, EPDM is used in radiators, garden and appliance hose, tubing, belts, electrical insulation and roofing membranes. Ethylene propylene rubbers are valuable for their excellent resistance to heat (up to 160 °C), oxidation, ozone and weather ageing due to their stable chemical properties. They have good electrical resistivity, as well as resistance to certain potentially corrosive liquids, such as water, acids, alkalis, phosphate esters and many ketones and alcohols. Amorphous EDPM has excellent low temperature flexibility with glass transition points of about –60 °C. EPDM polymers have high tensile and tear properties, excellent abrasion resistance, as well as improved oil swell resistance and flame retardance.
Exterior Enclosure Components
Published in Kathleen Hess-Kosa, Building Materials, 2017
EPDM, and other rubber membranes, are installed by one of three methods: (1) ballasted; (2) mechanically attached; and (3) fully adhered. Ballasted membranes are held in place by round stones or flat slabs. Mechanically attached roof membranes—in low wind areas—are held in place with nails. The fully adhered installation membranes are more costly and have a greater performance than the other methods. Rubber membranes are adhered by any of a number of acrylic water-based, solvent-based, and/or low-VOC adhesives. See Chapter 16: Adhesives.
Gloves
Published in Robert N. Phalen, Howard I. Maibach, Protective Gloves for Occupational Use, 2023
Marie-Noëlle Crépy, Pierre Hoerner
EPDM is a synthetic rubber made from ethylene, propylene, and a diene comonomer with excellent chemical resistance to polar solvents and corrosive chemicals. Just as CSM, EPDM is a rubber with a saturated backbone, and for this reason it has much better resistance to heat, light, and ozone than unsaturated rubbers such as NR, CR, and IR. This makes it suitable to be utilized in harsh environments or for gloves that are regularly sterilized by steam.
Characterisation of asphalt binder modified with ethylene–propylene–diene–monomer (EPDM) rubber waste from automobile industry
Published in Road Materials and Pavement Design, 2021
Ankush Kumar, Rajan Choudhary, Abhinay Kumar
Ethylene–propylene–diene monomer (EPDM) is a terpolymer of ethylene, propylene and a diene monomer. The diene monomer present in the side chain pendant of EPDM provides unsaturation for crosslinking (Barlow, 1988) as shown in Figure 1. EPDM is a high-quality rubber and finds a broad range of applications as electrical insulators, roofing membranes and non-tyre automotive parts such as tyre flaps, gaskets, weather strips, belts, and window seals. EPDM is widely used in automobile parts since in addition to its ability to resist high temperatures and effects of acid and alkali media, it also has excellent ozone and weather resistance (Ghoreishi et al., 2018; Ginic-Markovic et al., 2001). Among the rubbers used for non-tyre automotive rubber products, EPDM has a share of about 50% (Fukumori & Matsushita, 2003).
Improvement of the chemical adhesion of EPDM rubber to Sheet Moulding Compound (SMC) by the addition of phenolic resin as adhesion promoter
Published in The Journal of Adhesion, 2021
Alexandra Allue, Koldo Gondra, Isabel De Marco, Gorka Díez
Ethylene propylene diene rubber or EPDM (Ethylene Propylene Diene Type M ASTM) is a thermopolymer elastomer that has good resistance to abrasion and wear. The composition of this material contains between 45% and 75% ethylene, being in general more resistant when the percentage of ethylene is higher. The main characteristics of EPDM rubber are its resistance to aging, weathering and high temperature, as well as ozone and oxidation. All these characteristics make it appropriate to be used in antivibration elements that require a thermal resistance, since it withstands a maximum temperature of 150°C when it works in discontinuous way.