公开(公告)号：US20210107255A1

公开(公告)日：2021-04-15

申请号：US16963934

申请日：2019-01-25

Applicant: BASF SE

Inventor： Christof GRIESER-SCHMITZ ,  Andre KAMM

IPC: B32B15/095 ,  B32B15/18 ,  B32B15/20 ,  B32B27/40 ,  C08G18/48 ,  C08G18/76

Abstract: The disclosure provides a composite element having a layer structure with 2 mm to 20 mm of metal, 10 mm to 100 mm of compact polyurethane formulation and another 2 mm to 20 mm of metal, a method of using thereof and corresponding production process therefor. The polyurethane formulation is obtainable by reacting (a) a compound having at least two isocyanate groups with (b) polyether polyol and the polyether polyol (b) is a mixture including at least the constituents of polyether polyol (b1) and polyether polyol (b2).

公开(公告)号：US20140020784A1

公开(公告)日：2014-01-23

申请号：US13920356

申请日：2013-06-18

Applicant: BASF SE

Inventor： Christof GRIESER-SCHMITZ ,  Carsten Ellersiek

IPC: B29C44/32 ,  F16L9/12

CPC classification number: B29C44/32 ,  B29C44/324 ,  B29C44/326 ,  F16L9/121 ,  F16L59/143

Abstract: The present invention relates to a continuous process for producing an insulated pipe comprising at least one medium pipe, an outer pipe, a layer of at least one polyurethane between the at least one medium pipe and outer pipe and a film tube between the at least one polyurethane and the outer pipe, which comprises at least the steps (A) provision, in a jaw band, of at least one medium pipe and a film tube formed continuously from a film, where the at least one medium pipe is arranged within the film tube in such a way that a gap is formed between the at least one medium pipe and the film tube, (B) introduction of a polyurethane system comprising at least one isocyanate component (a) and at least one polyol (b) into the gap, (C) foaming and allowing to cure of the polyurethane system and (D) application of a layer of at least one material to the film tube in order to form the outer pipe, where the polyurethane system has thixotropic properties.

Abstract translation: 本发明涉及用于生产绝缘管的连续方法，该方法包括至少一个介质管，外管，至少一个介质管和外管之间的至少一个聚氨酯层，以及至少一个介质管 聚氨酯和外管，其至少包括步骤（A）在颚带中提供由薄膜连续形成的至少一个介质管和薄膜管，其中至少一个介质管布置在膜内 在所述至少一个介质管和所述膜管之间形成间隙的方法，（B）将包含至少一种异氰酸酯组分（a）和至少一种多元醇（b）的聚氨酯体系引入所述间隙 ，（C）发泡并允许固化聚氨酯体系，和（D）将至少一种材料层施加到薄膜管上以形成外管，其中聚氨酯体系具有触变性。

公开(公告)号：US20140010981A1

公开(公告)日：2014-01-09

申请号：US13923959

申请日：2013-06-21

Applicant: BASF SE

Inventor： Christof GRIESER-SCHMITZ ,  Gianpaolo Tomasi ,  Ludwig Windeler ,  Alex Popov ,  Carsten Ellersiek ,  Annika Halwe-Bommelmann

IPC: C08G18/72 ,  F16L59/02 ,  B29C44/18 ,  C08L75/08 ,  C08G18/08

CPC classification number: C08G18/72 ,  B29C44/08 ,  B29C44/1238 ,  B29C44/1242 ,  B29C44/18 ,  B29K2075/00 ,  B29K2105/046 ,  B29K2623/06 ,  B29K2705/00 ,  B29K2995/0015 ,  B29K2995/0063 ,  B29K2995/0078 ,  B29L2023/00 ,  C08G18/10 ,  C08G18/12 ,  C08G18/14 ,  C08G18/482 ,  C08G18/4825 ,  C08G18/485 ,  C08G18/4883 ,  C08G18/5021 ,  C08G18/797 ,  C08G2101/0025 ,  C08G2101/0033 ,  C08L75/08 ,  F16L59/028 ,  Y10T428/1376 ,  C08G18/48

Abstract: The present invention relates to a composition for producing a rigid polyurethane foam comprising at least one polyol having a molecular weight of not less than 1700 g/mol and at least one blowing agent as component A, and at least one polyisocyanate as component B, wherein the at least one polyisocyanate B comprises from 11 to 39.5 wt % of a polyisocyanate prepolymer, based on a polyether polyol having an OH number of at least 100 mg KOH/g, to a rigid polyurethane foam obtainable by reacting this composition, to a process for producing such a rigid polyurethane foam, to the use of such a rigid polyurethane foam for insulation, especially for pipe insulation and also to a process for producing an insulated pipe.

Abstract translation: 本发明涉及用于生产刚性聚氨酯泡沫的组合物，其包含至少一种分子量不小于1700g / mol的多元醇和至少一种作为组分A的发泡剂和至少一种作为组分B的多异氰酸酯，其中 所述至少一种多异氰酸酯B包含11至39.5重量％的基于具有至少100mg KOH / g OH值的聚醚多元醇的多异氰酸酯预聚物与通过使该组合物反应获得的硬质聚氨酯泡沫， 用于制造这样的硬质聚氨酯泡沫塑料，以使用这种硬质聚氨酯泡沫用于绝缘，特别是用于管道绝缘，以及用于生产绝缘管的方法。