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    • 5. 发明申请
    • MELT-PROCESSIBLE POLY(ESTER URETHANE) AND A PROCESS FOR THE PREPARATION THEREOF
    • 熔融混合物(ESTER URETHANE)及其制备方法
    • WO1996001863A1
    • 1996-01-25
    • PCT/FI1995000396
    • 1995-07-07
    • ALKO GROUP LTD.NESTE OYSEPPÄLÄ, JukkaHÄRKÖNEN, MikaHILTUNEN, KariMALIN, MinnaKYLMÄ, Janne
    • ALKO GROUP LTD.NESTE OY
    • C08G18/42
    • C08G18/4283C08G63/06C08G2101/00C08G2230/00
    • The invention concerns a novel melt-processible poly(ester urethane) and a process and a prepolymer for the preparation thereof. The poly(ester urethane) contains structural units derived from a polyester and structural units derived from a diisocyanate and, according to the invention, the bonds between the structural units are at least mainly comprised only of urethane bonds, the number average molar mass, Mn, of the polymer is at least 10,000 g/mol, its mass-average molar mass, Mw, is over 20,000 g/mol and its molar mass distribution, expressed as the ratio Mw/Mn, is over 2, and the polymer is essentially free from free isocyanate groups. The poly(ester urethane) is hydrolytically decomposable and it can be used as a biodegradable polymer, e.g., for manufacturing injection moulded pieces and thermoformed and blow moulded packages, bags, sacks and bottles, for coating of sacks, bags and films made of paper or cardboard, and for manufacturing fibres and non-woven fabrics.
    • 本发明涉及一种新型的可熔融加工的聚(酯聚氨酯)及其制备方法和预聚物。 聚(酯氨基甲酸酯)含有衍生自聚酯的结构单元和衍生自二异氰酸酯的结构单元,根据本发明,结构单元之间的键至少主要仅包含氨基甲酸酯键,数均摩尔质量Mn 的聚合物为至少10,000g / mol,其质均平均摩尔质量Mw为20,000g / mol以上,其摩尔质量分布(以Mw / Mn表示)大于2,聚合物基本上 不含游离异氰酸酯基团。 聚(酯氨基甲酸酯)可水解分解,可用作可生物降解的聚合物,例如用于制造注塑件和热成型和吹塑成型包装,袋,袋和瓶子,用于包装纸袋,袋和纸制成的纸 或纸板,以及用于制造纤维和无纺织物。