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Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams
Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams
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机译:基于液态异氰酸酯封端的脲基甲酸酯改性的MDI预聚物共混物的软质泡沫和软质模塑泡沫及其生产方法
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摘要
This invention relates to flexible foams and flexible molded foams prepared from an isocyanate blend comprising an allophanate modified MDI, a polyether polyol, and a polymethylene poly(phenyl isocyanate). The present invention also relates to processes for the production of these flexible foams and flexible molded foams.
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