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。

    THERMOPLASTIC OPEN-CELL FLEXIBLE POLYURETHANE FOAM

    公开(公告)号:US20250002636A1

    公开(公告)日:2025-01-02

    申请号:US18709551

    申请日:2022-12-12

    Applicant: BASF SE

    Abstract: Disclosed herein is a method for producing a thermoplastic molded polyurethane flexible foam having a foam density of 15 to 100 g/dm3 including mixing of (a) Diisocyanate, (b) Polyol (c) 3 to 20 wt.-% based on the total weight of components a) to c), of one or more chain extenders, (d) optionally catalyst and (e) optionally fillers and/or polyurethane additives, mixing the reaction mixture with a gas to form a pre-foam having a density of 110 to 800 g/dm3 injecting the pre-foam into a mold, applying vacuum to the mold to further expand the pre-foam and curing the expanded pre-foam. Further disclosed herein are a thermoplastic flexible polyurethane foam, obtained from the method, a composite including the thermoplastic flexible polyurethane foam and a method of recycling the composite.

    PROCESS FOR THE PREPARATION OF AN ASPHALT MIX COMPOSITION

    公开(公告)号:US20220340757A1

    公开(公告)日:2022-10-27

    申请号:US17760796

    申请日:2020-09-17

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the preparation of an asphalt mix composition, said process comprising: (1) providing an asphalt composition and heating said composition to a temperature in the range of from 110 to 200° C.; (2) providing a granular material and heating said material to a temperature in the range of from 110 to 240° C.; (3) providing one or more thermosetting reactive compounds; (4) adding the one or more thermosetting reactive compounds provided in (3) to the asphalt composition obtained in (1) and homogenizing the mixture for a duration in the range of from 2 to 180 s; (5) adding the mixture obtained in (4) to the granular material obtained in (2) and homogenizing the slurry for a duration in the range of from 5 to 180 s. Further, the present invention relates to an asphalt mix composition obtained or obtainable by said process and its use.

    POLYURETHANE-POLYISOCYANURATE COMPOUND WITH OUTSTANDING MECHANICAL PROPERTIES

    公开(公告)号:US20220298286A1

    公开(公告)日:2022-09-22

    申请号:US17634681

    申请日:2020-08-13

    Applicant: BASF SE

    Abstract: Described herein is a process for preparing a polyurethane-polyisocyanurate compound by mixing a) at least one polyisocyanate; b) a mixture (M); c) at least one compound including one or more epoxide groups; d) at least one aliphatic polyol (P1) having a high weight average molecular weight; e) at least one polyol (P2) having a low weight average molecular weight; f) at least one compatibilizer; and, optionally, g) fillers and further additives to form a reaction mixture (RM); and reacting the mixture (RM) to give the polyurethane-polyisocyanurate compound. Also described herein are a polyurethane-polyisocyanurate compound obtainable by the process and a method of using the polyurethane-polyisocyanurate compound for producing bodywork components for vehicles.

    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.

    CAPROLACTAM-MODIFIED LIQUID MDI AND ITS USE IN POLYURETHANES

    公开(公告)号:US20230287166A1

    公开(公告)日:2023-09-14

    申请号:US18019255

    申请日:2021-08-06

    Applicant: BASF SE

    CPC classification number: C08G18/2855 C08G2101/00

    Abstract: The present invention is directed to a liquid, storage stable isocyanate composition (Q) comprising monomeric diphenyl methane diisocyanate (MDI) as component (q1) and an amide with a molecular weight of less than 200 g/mol as component (q2) in an amount of 0.1 to 5 wt.-% based on the sum of the weight of components (q1) and (q2) which adds up to 100 wt.-%, wherein the NCO-content is in the range of from 29.5 to 40.0 wt.-% based on the total weight of the respective isocyanate composition (Q). The present invention is also directed to a process for the manufacture of said liquid, storage stable isocyanate composition (Q) as well as the use of an amide with a molecular weight of less than 200 g/mol for the liquification of at room temperature solid isocyanates. Further, the present invention is directed to the use of an isocyanate composition (Q) of the invention for the synthesis of polyurethane foams, compact polyurethane elastomers or thermoplastic polyurethanes.

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