公开(公告)号：US10563004B2

公开(公告)日：2020-02-18

申请号：US15561747

申请日：2016-03-23

Applicant: BASF SE

Inventor： Stefan Bokern ,  Frank Prissok ,  Sebastian Hartwig ,  Elmar Poeselt ,  Julia Goeschel ,  Uwe Keppeler

IPC: C08G18/32 ,  C08G18/48 ,  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.

公开(公告)号：US10138345B2

公开(公告)日：2018-11-27

申请号：US15027803

申请日：2014-09-29

Applicant: BASF SE

Inventor： Uwe Keppeler

IPC: C08J9/18 ,  B29C44/34 ,  C08J9/00 ,  C08J9/12 ,  C08J9/14 ,  C08J9/232 ,  C08J9/236 ,  C08J9/228

Abstract: A process for the production of expanded foam beads that are prepared from pellets comprising polyester mixture comprising a) from 50 to 99% by weight, based on components a and b, of a biodegradable polyester based on aliphatic, or a mixture of aliphatic and aromatic, dicarboxylic acids and an aliphatic diol, and b) from 1 to 50% by weight, based on components a and b, of polylactic acid, the process comprising the following steps: (i) providing an aqueous suspension of the polyester pellets, (ii) impregnating the pellets in the suspension of step (i) with at least one physical or chemical blowing agent to provide blowing-agent-loaded pellets in suspension, wherein the impregnation of the at least one blowing agent includes heating the mixture to a depressurization temperature IMT with stirring, and (iii) depressurizing the suspension obtained in step (ii) to provide the expanded foam beads. The at least one blowing agent is added to the suspension in step (i), or in step (ii) during the heating phase, or immediately after the heating phase, and following the heating of step (ii), the suspension is maintained at a temperature in the range from IMT minus 5° C. to IMT plus 2° C. for a period of 3 to 100 minutes. The invention further relates to expanded foam beads obtained by the process, and to the production of moldings from the expanded foam beads.

公开(公告)号：US20160244584A1

公开(公告)日：2016-08-25

申请号：US15028357

申请日：2014-09-29

Applicant: BASF SE

Inventor： Uwe Keppeler

IPC: C08J9/18 ,  C08J9/228 ,  C08J9/00 ,  C08J9/14 ,  C08J9/12

CPC classification number: C08J9/18 ,  B29C44/3453 ,  B29C44/3461 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/122 ,  C08J9/141 ,  C08J9/228 ,  C08J9/232 ,  C08J9/236 ,  C08J2201/034 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2203/182 ,  C08J2205/052 ,  C08J2300/16 ,  C08J2367/02 ,  C08J2467/04

Abstract: A process for producing expanded foam beads from pellets comprising at least one biodegradable polyester. The process comprises (i) producing a suspension comprising pellets in an aqueous suspension medium, (ii) impregnating the pellets present in the suspension from step (i) with at least one physical blowing agent by heating the pellet suspension to a depressurization temperature IMT, with stirring, to provide pellets laden with blowing agent in the suspension medium, and (iii) depressurizing the suspension obtained in step (ii) and cooling the depressurized suspension with a liquid aqueous coolant, in order to obtain the expanded foam beads. The blowing agent can be added in step I, or in step ii during the heating phase or following the heating phase. Following the heating phase, the suspension is maintained at a temperature in the range from IMT minus 5° C. to IMT plus 2° C. for 3 to 100 minutes, and the ratio of aqueous coolant to suspension medium is at least 0.3. The invention further relates to expanded foam beads obtained by the process and to moldings that are produced from the expanded foam beads.

Abstract translation: 一种从包含至少一种可生物降解的聚酯的颗粒制备膨胀泡沫珠的方法。 该方法包括（i）在水性悬浮介质中制备包含颗粒的悬浮液，（ii）通过将沉淀悬浮液加热至降压温度IMT，将存在于步骤（i）的悬浮液中的沉淀物与至少一种物理发泡剂浸渍， 搅拌，在悬浮介质中提供载有发泡剂的小球，和（iii）将步骤（ii）中获得的悬浮液减压并用液体含水冷却剂冷却减压的悬浮液，以获得发泡泡珠。 可以在加热阶段或加热阶段之后，在步骤I或步骤ii中加入发泡剂。 在加热阶段之后，将悬浮液保持在IMT减5℃至IMT加2℃的温度下3至100分钟，并且水冷却剂与悬浮介质的比例至少为0.3。 本发明还涉及通过该方法获得的膨胀泡沫珠粒和由膨胀的泡沫珠粒产生的模制品。

公开(公告)号：US20150237823A1

公开(公告)日：2015-08-27

申请号：US14432531

申请日：2013-09-23

Applicant: BASF SE

Inventor： Wilfried Schmitt ,  Uwe Keppeler

IPC: A01K1/015 ,  B29C35/04 ,  A01K29/00

CPC classification number: A01K1/0157 ,  A01K1/015 ,  A01K29/00 ,  B29C35/04 ,  B29K2075/00 ,  B29L2031/7324 ,  B32B27/065 ,  B32B27/304 ,  B32B27/32 ,  B32B27/36 ,  B32B2264/0292 ,  B32B2266/0278 ,  B32B2307/72 ,  B32B2471/00 ,  C08G2101/0008 ,  C08G2101/0058 ,  C08J9/232 ,  C08J9/365 ,  C08J2300/22 ,  C08J2375/04

Abstract: The invention relates to a stall floorcovering comprising a foam mat comprising expanded thermoplastic polyurethane-bead foam, to processes for producing same, and also to the use of expanded thermoplastic polyurethane-bead foam for producing the stall floorcovering.

Abstract translation: 本发明涉及一种失速地板覆盖物，其包括泡沫垫，其包括膨胀的热塑性聚氨酯 - 珠粒泡沫，其制备方法，以及使用膨胀的热塑性聚氨酯泡沫泡沫来生产摊铺地板覆盖物。