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US 2013/0210974 A1Published application
Plasticized Polyvinyl Chloride Composition with Flame Retardant
AssigneeLANXESS Corporation
InventorJames F. Day
Life of this patent
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Abstract
A highly flame retardant plasticized polyvinyl chloride composition includes a mixture of a dialkyl or dialkenyl tetrahalophthalate and a brominated/chlorinated paraffin. The composition exhibits an absence of brittleness, and substantial flexibility at low temperatures. The composition can be used to form sheet materials, molding compositions, roofing materials, PVC formed jackets and insulation for wire and cable products.
Claims21
A flexible PVC composition comprising:
- a polyvinyl chloride resin;
- at least one dialkyl or dialkenyl tetrahalophthalate plasticizer in an amount sufficient to increase flexibility of said composition;
- and
- at least one halogenated paraffin flame retardant in an amount to enhance flexibility at low temperatures and reduce brittleness of the composition.
1 more element
A PVC composition comprising:
- polyvinyl resin;
- a flame retardant synergist;
- a stabilizer;
- and
- a mixture of a dialkyl or dialkylene tetrahalophthalate and a halogenated paraffin in an amount effective to provide a predetermined flexibility fire retardant and smoke suppressant properties.
2 more elements
Dependencies are inferred from the claim text.