METHODS FOR PRODUCING TRANSPARENT, THERMOPLASTIC POLYURETHANE HAVING HIGH MECHANICAL STRENGTH AND HARDNESS
    1.
    发明申请
    METHODS FOR PRODUCING TRANSPARENT, THERMOPLASTIC POLYURETHANE HAVING HIGH MECHANICAL STRENGTH AND HARDNESS 审中-公开
    具有高机械强度和硬度的透明,热塑性聚氨酯的生产方法

    公开(公告)号:US20160304659A1

    公开(公告)日:2016-10-20

    申请号:US15034116

    申请日:2014-10-28

    Applicant: BASF SE

    Abstract: The present invention relates to thermoplastic polyurethanes obtainable or obtained by reaction of at least one aliphatic polyisocyanate; at least one chain extender; and at least one polyol composition, where the polyol composition comprises a polyol selected from the group consisting of polyetherols and at least one bisphenol derivative selected from the group consisting of bisphenol A derivatives with a molecular weight Mw>315 g/mol and bisphenol S derivatives with a molecular weight Mw>315 g/mol, where at least one of the OH groups of the bisphenol derivative is alkoxylated, and to processes for producing such thermoplastic polyurethanes and to the use of a thermoplastic polyurethane according to the invention for producing extrusion products, films and moldings.

    Abstract translation: 本发明涉及通过至少一种脂族多异氰酸酯反应获得或获得的热塑性聚氨酯; 至少一种扩链剂; 和至少一种多元醇组合物,其中所述多元醇组合物包含选自聚醚酯和选自分子量Mw> 315g / mol的双酚A衍生物和双酚S衍生物的至少一种双酚衍生物的多元醇 分子量Mw> 315g / mol,其中双酚衍生物的OH基团中的至少一个是烷氧基化的,以及用于制备这种热塑性聚氨酯的方法以及根据本发明的用于生产挤出产品的热塑性聚氨酯的用途 ,电影和模具。

    MEMORY FOAM BASED ON THERMOPLASTIC POLYURETHANE

    公开(公告)号:US20180086871A1

    公开(公告)日:2018-03-29

    申请号:US15561747

    申请日:2016-03-23

    Applicant: BASF SE

    CPC classification number: C08G18/3215 C08G18/4879 C08G2280/00 C08J9/228

    Abstract: The present invention relates to a process for producing a molding (FK), comprising the production of a thermoplastic polyurethane, comprising the reaction of at least one polyisocyanate composition, at least one chain extender, and at least one polyol composition, the production of a molding (FK*) from the thermoplastic polyurethane, the heating of the molding (FK*) to a temperature below the temperature at which the molding (FK*) is permanently deformable, and above the switching temperature of the thermoplastic polyurethane, the compressing of the heated molding (FK*) to give a molding (FK), and the cooling of the molding (FK) to a temperature below the switching temperature of the thermoplastic polyurethane, and also to the moldings obtainable or obtained by such a process.

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