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    Physical property improvement of polyurethanes
    1.
    发明授权
    Physical property improvement of polyurethanes 有权

    公开(公告)号：US11267929B2

    公开(公告)日：2022-03-08

    申请号：US16472443

    申请日：2018-01-12

    Applicant: BASF SE

    Inventor： Michael Praw ,  Micheal Colin May

    IPC: C08G18/48 ,  C08G18/62 ,  C08G18/76 ,  C08G18/73 ,  C08G18/79 ,  C09J175/08 ,  C08L75/08 ,  C09D175/08

    Abstract: 100% solids polyurethanes having improved physical properties in terms of Shore hardness, tear strength, elongation at break and/or tensile strength are realized through the introduction of 100% solids hydroxyl-functional acrylics in combination with the hydroxyl-functional polyether and 100% solids isocyanate-functional compounds. When an aromatic isocyanate is used, the isocyanate-reactive component includes from 5 to 70% by weight of a hydroxyl-functional polyether having a weight average molecular weight ranging from 180 to 6,500 g/mol, and 30 to 95% by weight of a hydroxyl-functional acrylic. When an aliphatic isocyanate is used, the isocyanate-reactive component includes from 40 to 70% by weight of a hydroxyl-functional polyether having a weight average molecular weight ranging from 180 to 6,500 g/mol, and 30 to 60% by weight of a hydroxyl-functional acrylic.

    Method of forming an encapsulated fertilizer
    3.
    发明授权
    Method of forming an encapsulated fertilizer 有权

    公开(公告)号：US10556841B2

    公开(公告)日：2020-02-11

    申请号：US15306908

    申请日：2015-04-27

    Applicant: BASF SE

    Inventor： Michael Praw

    IPC: C05G3/00 ,  C05C9/00

    Abstract: Method of forming an encapsulated fertilizer that includes the step of providing a core particle. The core particle includes a fertilizer and has an outer surface. The method further includes the step of applying an isocyanate component directly to the outer surface of the core particle. The isocyanate component has isocyanate functional groups. The method further includes the step of reacting the isocyanate component with ambient moisture to form a layer disposed about the core particle to form the encapsulated fertilizer. The layer includes polyurea linkages and may further include polyurethane linkages.

    PHYSICAL PROPERTY IMPROVEMENT OF POLYURETHANES
    4.
    发明申请
    PHYSICAL PROPERTY IMPROVEMENT OF POLYURETHANES 审中-公开

    公开(公告)号：US20200308335A1

    公开(公告)日：2020-10-01

    申请号：US16472443

    申请日：2018-01-12

    Applicant: BASF SE

    Inventor： Michael Praw ,  Micheal Colin May

    IPC: C08G18/48 ,  C08G18/62 ,  C08G18/76 ,  C08L75/08 ,  C09D175/08 ,  C09J175/08 ,  C08G18/73 ,  C08G18/79

    Abstract: 100% solids polyurethanes having improved physical properties in terms of Shore hardness, tear strength, elongation at break and/or tensile strength are realized through the introduction of 100% solids hydroxyl-functional acrylics in combination with the hydroxyl-functional polyether and 100% solids isocyanate-functional compounds. When an aromatic isocyanate is used, the isocyanate-reactive component includes from 5 to 70% by weight of a hydroxyl-functional polyether having a weight average molecular weight ranging from 180 to 6,500 g/mol, and 30 to 95% by weight of a hydroxyl-functional acrylic. When an aliphatic isocyanate is used, the isocyanate-reactive component includes from 40 to 70% by weight of a hydroxyl-functional polyether having a weight average molecular weight ranging from 180 to 6,500 g/mol, and 30 to 60% by weight of a hydroxyl-functional acrylic.

    Composite body and method of making the same
    5.
    发明授权
    Composite body and method of making the same 有权
    复合体及其制作方法

    公开(公告)号：US09538867B2

    公开(公告)日：2017-01-10

    申请号：US13744592

    申请日：2013-01-18

    Applicant: BASF SE

    Inventor： David D. Peters ,  Michael Praw ,  Richard Varner

    IPC: D06C15/00 ,  A47F8/02 ,  C08G18/48 ,  C08G18/63 ,  C08G18/66 ,  C08G18/76 ,  C08G18/20 ,  C08G18/24 ,  C08G18/32 ,  C08G18/40 ,  B05D1/02 ,  B29C41/00 ,  B29C41/04 ,  B29C44/04 ,  A47F8/00 ,  C08G101/00

    CPC classification number: A47F8/02 ,  A47F8/00 ,  B05D1/02 ,  B29C41/003 ,  B29C41/04 ,  B29C44/0461 ,  C08G18/2063 ,  C08G18/242 ,  C08G18/246 ,  C08G18/3206 ,  C08G18/4072 ,  C08G18/4816 ,  C08G18/4829 ,  C08G18/632 ,  C08G18/6674 ,  C08G18/7664 ,  C08G18/7671 ,  C08G2101/0025

    Abstract: A composite body is provided that includes a rigid polyurethane foam shell and an elastomeric polyurethane layer disposed over the rigid polyurethane foam shell. The rigid polyurethane foam shell defines a cavity within the composite body. The rigid polyurethane foam shell has a closed cell content of at least 70% and comprises the reaction product of a first isocyanate component and a first isocyanate-reactive component in the presence of a blowing agent. The elastomeric polyurethane layer is disposed over the polyurethane foam shell. The elastomeric polyurethane layer comprises the reaction product of a second isocyanate component and a second isocyanate-reactive component. A method of forming the composite body includes the step of molding the rigid polyurethane foam shell, demolding the rigid polyurethane foam shell from the mold, and applying an elastomeric polyurethane composition upon the rigid polyurethane foam shell after demolding to form the elastomeric polyurethane layer.

    Abstract translation: 提供了一种复合体，其包括刚性聚氨酯泡沫壳和设置在刚性聚氨酯泡沫壳上方的弹性体聚氨酯层。 刚性聚氨酯泡沫壳体在复合体内限定了一个空腔。 刚性聚氨酯泡沫壳体的闭孔含量至少为70％，并且在发泡剂存在下包含第一异氰酸酯组分和第一异氰酸酯反应性组分的反应产物。 弹性聚氨酯层设置在聚氨酯泡沫外壳上。 弹性聚氨酯层包括第二异氰酸酯组分和第二异氰酸酯反应性组分的反应产物。 形成复合体的方法包括：模制硬质聚氨酯泡沫壳体，将硬质聚氨酯泡沫壳体从模具脱模，以及将脱模后的弹性体聚氨酯组合物施加到硬质聚氨酯泡沫壳体上以形成弹性体聚氨酯层的步骤。

    METHOD OF FORMING AN ENCAPSULATED FERTILIZER
    7.
    发明申请
    METHOD OF FORMING AN ENCAPSULATED FERTILIZER 审中-公开
    形成肥料肥料的方法

    公开(公告)号：US20170036968A1

    公开(公告)日：2017-02-09

    申请号：US15306908

    申请日：2015-04-27

    Applicant: BASF SE

    Inventor： Michael Praw

    IPC: C05G3/00 ,  C05C9/00

    Abstract: A method of forming an encapsulated fertilizer comprises the step of providing a core particle. The core particle comprises a fertilizer and has an outer surface. An example of the fertilizer is urea. The method further comprises the step of applying an isocyanate component directly to the outer surface of the core particle. The isocyanate component has isocyanate functional groups. An example of the isocyanate component is an isocyanate-terminated prepolymer. A specific example of the isocyanate-terminated prepolymer is one comprising the reaction product of a diphenylmethane diisocyanate (MDI) and a polyol. The method further comprises the step of reacting the isocyanate component with ambient moisture to form a layer disposed about the core particle to form the encapsulated fertilizer. The layer comprises polyurea linkages. The layer may further comprise polyurethane linkages. For example, the layer may be in the form of a polyurea/polyurethane layer when the isocyanate-terminated prepolymer is utilized.

    Abstract translation: 形成包封肥料的方法包括提供核心颗粒的步骤。 核心颗粒包括肥料并具有外表面。 肥料的一个例子是尿素。 该方法还包括将异氰酸酯组分直接施加到核心颗粒的外表面的步骤。 异氰酸酯组分具有异氰酸酯官能团。 异氰酸酯组分的实例是异氰酸酯封端的预聚物。 异氰酸酯封端的预聚物的具体实例是包括二苯基甲烷二异氰酸酯（MDI）和多元醇的反应产物。 该方法还包括使异氰酸酯组分与环境水分反应以形成围绕核心颗粒设置的层以形成包封的肥料的步骤。 该层包含聚脲键。 该层还可以包含聚氨酯键。 例如，当使用异氰酸酯封端的预聚物时，该层可以是聚脲/聚氨酯层的形式。

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