CPVC COMPOSITIONS HAVING GOOD IMPACT STRENGTH AND HEAT STABILITY, AND SMOOTH SURFACES

A CPVC composition having good impact and heat stability includes a siloxane-acrylic copolymer impact modifier and an aluminosilicate zeolite, and a reduced amount of a liquid stabilizer such as a tin compound. Such compositions can be formed into piping for indoor and outdoor water systems includin...

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Bibliographische Detailangaben
Hauptverfasser:	JULIUS, MARK, D, DALAL, GIRISH, T, WENDELL, DAVID, A, NEWBY, ROBERT, S, GIOVANNITTI-JENSEN, ANN, SCHMITZ, THEODORE, J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A CPVC composition having good impact and heat stability includes a siloxane-acrylic copolymer impact modifier and an aluminosilicate zeolite, and a reduced amount of a liquid stabilizer such as a tin compound. Such compositions can be formed into piping for indoor and outdoor water systems including hot water. L'invention concerne une composition CPVC présentant de bonnes qualités de résistance au choc et de stabilité thermique, qui comprend un modificateur de résistance au choc en copolymère de siloxane et d'acrylique et un zéolite d'aluminosilicate, et une quantité réduite d'un agent stabilisateur liquide tel qu'un composé de l'étain. Les compositions de l'invention peuvent être utilisées pour fabriquer des canalisations pour systèmes de distribution d'eau intérieurs ou extérieurs, y compris d'eau chaude.