IMPACT-RESISTANT VINYL CHLORIDE RESIN COMPOSITION

PURPOSE:To provide a vinyl chloride resin composition excellent in weathering resistance, impact resistance, moldability, etc., by adding a Ca/Zn/Sn stabilizer to a vinyl chloride copolymer containing an unsaturation-free rubber component. CONSTITUTION:A Ca/Zn/Sn stabilizer (A) is added to a vinyl c...

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Hauptverfasser:	MATSUNO TAKANORI, SAEKI HARUO, FUJIO JUNICHI, KURASHIGE YUJI
Format:	Patent
Sprache:	eng
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:	PURPOSE:To provide a vinyl chloride resin composition excellent in weathering resistance, impact resistance, moldability, etc., by adding a Ca/Zn/Sn stabilizer to a vinyl chloride copolymer containing an unsaturation-free rubber component. CONSTITUTION:A Ca/Zn/Sn stabilizer (A) is added to a vinyl chloride copolymer (B) containing a substantially unsaturation-free rubber component (e.g. a copolymer of an acrylic rubber with vinyl chloride) to produce an impact-resistant vinyl chloride resin composition. An example of component A is a mixture of calcium stearate with zinc stearate and octyltin maleate, and the amount of component A added is suitably 1-10 pts.wt. per 100 pts.wt. component B. The obtained composition can be easily extrusion-molded even when it is in powdery form and is useful as the material of profile extrusion moldings for outdoor use, such as building and civil engineering materials.