MODIFIED ASPHALT USING PHOSPHOROUS ACID

A modified asphalt composition comprises or is produced from asphalt and phosphorous acid. The composition optionally further comprises one or more of an ethylene copolymer that comprises copolymerized units derived from ethylene and an epoxy-containing comonomer and a nonreactive polymer such as a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PREJEAN, George Wyatt
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A modified asphalt composition comprises or is produced from asphalt and phosphorous acid. The composition optionally further comprises one or more of an ethylene copolymer that comprises copolymerized units derived from ethylene and an epoxy-containing comonomer and a nonreactive polymer such as a styrene/conjugated-diene block copolymer. Further provided are processes for producing the composition in addition to products such as paving materials and roofing materials that comprise the compositions.