SOLVAY ADVANCE POLYMERS’ UDEL POLYSULFONE HELPS AVOID INDUSTRIAL BATTERY BREAKDOWN

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SOLVAY ADVANCE POLYMERS’ UDEL POLYSULFONE HELPS AVOID INDUSTRIAL BATTERY BREAKDOWN
28 October 2002 - Solvay Advanced Polymers Llc

A high-performance polymer from Solvay Advanced Polymers, L.L.C., is a key ingredient in Saft’s SRM F3 series battery cells that are typically used for electrical backup systems in rail transport systems.

The industrial-strength nickel-cadmium batteries offer reliable emergency power for onboard lighting, air conditioning, computing systems, and door control functions. UDEL P-1700 from Solvay Advanced Polymers is one of the materials Saft uses to manufacture the containers (called cell "jars") that hold the battery cell components.

These cells are then configured into groups, or trays, to comprise the completed battery.

Ted Mavronicolas, railway applications engineering manager of Saft's Industrial Battery Group, in Cockeysville, Md., said that UDEL polysulfone has the kind of properties that translate into longer life, durability, and stability for Saft's SRM F3 series batteries.

"These cells are filled with potassium hydroxide electrolyte fluid and are expected to function without water replenishment for up to two years. UDEL P-1700's resistance to moisture absorption, shock and vibration are key to maintaining long-term battery stability," said Mavronicolas. "And because it's a transparent material, we can see inside the cell jar to determine water levels without having to open the vent cap," he added.

UDEL P-1700 excels in many fluid-handling applications. This durable, rigid,
high-strength thermoplastic has a heat deflection temperature of 345°F (174°C), and maintains its properties over a wide temperature range.

Transparent, opaque, and glass-fiber reinforced grades of UDEL polysulfone can be used for injection molding into complex parts or extrusion into forms such as rod, film, sheet, profile, and tubing. Shapes can be machined for prototype evaluations; film and sheet can be thermoformed on conventional equipment. UDEL polysulfone resin can also be blow-molded.

http://www.solvayadvancedpolymers.com

About: Solvay Advanced Polymers Llc
Solvay Advanced Polymers Llc is a subsidiary of Solvay America Inc, the US holding company of Solvay SA. The company produces high-performance polymers that are used in a wide range of demanding applications in the automotive, aerospace, industrial, foodservice, medical, and electronics industries worldwide.

Solvay SA is an international pharmaceuticals and chemicals group with headquarters in Brussels, Belgium, employing about 30 000 people in 50 countries. In 2003, its consolidated sales amounted to EUR 7.6 billion, generated by activities in its three major business sectors: chemicals, plastics and pharmaceuticals. Solvay SA is listed in the Euronext 100 index of top European companies.

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