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Home › Polyurea-polyurethane from a mixture of a polyol, an aromatic diamine, and an isocyanate-terminated prepolymer

Polyurea-polyurethane from a mixture of a polyol, an aromatic diamine, and an isocyanate-terminated prepolymer

US Patent 4374210 · Granted Feb 15, 1983

Estimated economic value: $10,178,000 ⓘ

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