公开(公告)号：US20240294753A1

公开(公告)日：2024-09-05

申请号：US17754770

申请日：2020-10-14

Applicant: BASF SE

Inventor： Stefan SCHWIEGK ,  Gerhard LEITER ,  Susanne ZEIHER ,  Simone SCHILLO ,  Andre SCHAEFER ,  Thomas FUCHS ,  Nicolas TISSIER ,  Johann Martin SZEIFERT ,  Sabine FRIETSCH ,  Abdullah SHAIKH

IPC: C08L77/06 ,  C08K7/14

CPC classification number: C08L77/06 ,  C08K7/14 ,  C08L2205/025

Abstract: Disclosed herein is a mixture of at least one semi-aromatic polyamide A) and at least one semi-aromatic polyamide B), both containing repeat units derived from terephthalic acid. Further disclosed herein are a polyamide molding composition including said mixture of polyamides, a molded article produced from said polyamide molding composition and a method of using the mixture of semi-aromatic polyamides for the production of a molded article with improved mechanical properties, in particular with improved weld line strength.

公开(公告)号：US20150361654A1

公开(公告)日：2015-12-17

申请号：US14762518

申请日：2014-01-17

Applicant: BASF SE ,  FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Inventor： Nikolaus NESTLE ,  Andreas DAIß ,  Klaus HAHN ,  Ralf NÖRENBERG ,  Johann Martin SZEIFERT ,  Elena KHAZOVA ,  Achim LÖFFLER ,  Tilmann KUHN ,  Christoph MAURER ,  Thibault PFLUG ,  Jan WIENOLD ,  Andre GLÜCK

IPC: E04B1/76 ,  E04C2/52 ,  E04B2/56

CPC classification number: E04B1/74 ,  F24S20/61 ,  F24S20/66 ,  F24S50/80 ,  F24S80/60 ,  Y02B10/20 ,  Y02E10/40 ,  Y02E10/44

Abstract: A structural element with a controllable heat transfer coefficient comprises a frame. A first sheet and a second sheet opposite one another are arranged in the frame. The sheets and the frame have the effect of defining a closed-off volume which is filled with at least one gas. At least one two-dimensional element is arranged between the sheets. An upper intermediate space is formed between the two-dimensional element and the frame vertically upwardly and a lower intermediate space is formed between the two-dimensional element in the frame vertically downwardly. A first cavity is between the first sheet and the two-dimensional element. A second cavity is between the two-dimensional element and the second sheet. The cavities are connected via the upper intermediate space and the lower intermediate space such that a convection flows between the cavities via the intermediate spaces. At least one means arranged in the intermediate spaces controls the convection flow.

Abstract translation: 具有可控热传递系数的结构元件包括框架。 框架中布置有彼此相对的第一片材​​和第二片材。 片材和框架具有限定填充有至少一种气体的封闭体积的效果。 至少一个二维元件布置在片材之间。 在二维元件和框架之间垂直向上形成上部中间空间，并且垂直向下在框架中的二维元件之间形成下部中间空间。 第一腔位于第一片和二维元件之间。 第二空腔在二维元件和第二片之间。 空腔经由上中间空间和下中间空间连接，使得空腔之间的对流通过中间空间流动。 布置在中间空间中的至少一个装置控制对流。

公开(公告)号：US20190276623A1

公开(公告)日：2019-09-12

申请号：US16463014

申请日：2017-11-14

Applicant: BASF SE

Inventor： Johann Martin SZEIFERT ,  Bernhard VATH ,  Tobias Heinz STEINKE ,  Bettina WESTER ,  Cecile SCHNEIDER ,  Sebastian Alexander WEISSE ,  Peter WOLF ,  Werner LENZ ,  Axel KIRSTE ,  David John PUNG ,  Megan ROBERTS

IPC: C08J9/00 ,  C08G12/32 ,  C08J9/14

Abstract: A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10.000 g/mol and at least two functional groups selected from OH, NH2 or COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.