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EP0563298B1 POLYURETHANE CARPET-BACKING PROCESS 失效
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POLYURETHANE CARPET-BACKING PROCESS
摘要:
Polyurethane-backed substrates such as attached cushion carpeting are prepared from a polyurethane forming composition based on a soft segment prepolymer of MDI or an MDI derivative. The use of the prepolymer provides a backing having good strength properties and good resiliency.
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