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31 条记录 (耗时 0.019 秒)

    Thermoplastic polyurethane
    2.
    发明授权
    Thermoplastic polyurethane 有权

    公开(公告)号：US11535697B2

    公开(公告)日：2022-12-27

    申请号：US16632230

    申请日：2018-07-19

    申请人： BASF SE

    发明人： Julia Christa Jaehnigen ,  Nabarun Roy ,  Elmar Poeselt ,  Dejan Petrovic ,  Peter Gutmann ,  Dirk Kempfert

    IPC分类号： C08G18/66 ,  C08G18/32 ,  C08G18/42 ,  C08G18/61 ,  C08G18/73 ,  C08G18/76 ,  C08J9/16 ,  C08G101/00 ,  C08L75/04

    摘要： The present invention relates to a polyurethane, in particular a thermoplastic polyurethane, obtainable or obtained by reacting at least the components (i) to (ii): (i) a polyisocyanate composition; (ii) a polyol composition, comprising (ii.1) at least one polyester diol or polyether diol having a number-average molecular weight in the range from 500 to 3000 g/mol, (ii.2) at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from the group consisting of thio group, hydroxyl group and amino group. The invention additionally relates to a process for preparing this polyurethane, to the use thereof, to a molded body comprising the polyurethane. Furthermore, the invention relates to foam beads based on polyurethane, obtained or obtainable from the polyurethane, to a process for producing foam beads and also to bead foams and to the use thereof.

    Foams based on thermoplastic elastomers
    5.
    发明申请
    Foams based on thermoplastic elastomers 有权

    公开(公告)号：US20220055265A1

    公开(公告)日：2022-02-24

    申请号：US17274838

    申请日：2019-09-12

    申请人： BASF SE

    发明人： Peter Gutmann ,  Elmar Poeselt ,  Florian Tobias Rapp ,  Dennis Jopp

    IPC分类号： B29C44/34 ,  C08J9/00 ,  C08J9/228

    摘要： A bead foam is made of thermoplastic polyurethane, a styrene polymer, and an impact modifier. Moldings can be produced from the bead foam and processes for the production of the bead foams and moldings can be utilized. The moldings can be used for shoe intermediate soles, shoe insoles, shoe combisoles, cushioning elements for shoes, bicycle saddles, bicycle tires, damping elements, cushioning, mattresses, underlays, grips, protective films, in components in the automobile-interior sector or automobile-exterior sector, balls and sports equipment, or as floorcovering.

    Method for producing expanded granulate
    6.
    发明授权
    Method for producing expanded granulate 有权

    公开(公告)号：US10279516B2

    公开(公告)日：2019-05-07

    申请号：US14897746

    申请日：2014-06-11

    申请人： BASF SE

    发明人： Christian Däschlein ,  Peter Gutmann ,  Frank Prissok ,  Uwe Keppeler ,  Jürgen Ahlers

    IPC分类号： B29C44/34 ,  B29B9/06 ,  C08J9/16 ,  B29B9/12 ,  B29C44/04 ,  C08J9/00 ,  C08J9/12 ,  C08J9/34 ,  B29B7/88 ,  B29B7/90 ,  B29B9/14 ,  B29C47/00 ,  B29C47/86 ,  B29K21/00 ,  B29K77/00 ,  B29K105/00 ,  B29K105/16

    摘要： A process for producing expanded pellets from a thermoplastic elastomer having an elongation at break of more than 100% measured to DIN EN ISO 527-2, comprising: (a) pressing a polymer melt comprising a blowing agent through a perforated disk (18) controlled to a temperature between 150° C. and 280° C. and into a pelletizing chamber (26), (b) using a cutting device (20) to comminute the polymer melt pressed through the perforated disk (18) into individual expanding pellets, (c) discharging the pellets from the pelletizing chamber (26) using a liquid stream (36), wherein the blowing agent comprises CO2 and/or N2 and the amount of blowing agent in the polymer melt is from 0.5 to 2.5 wt %, the pelletizing chamber (26) is traversed by a stream of liquid at a temperature between 5° C. and 90° C. and the pressure of 0.1 bar to 20 bar above ambient pressure such that the pellets are expanded in the pressurized liquid by the blowing agent, producing expanded pellets having an uninterrupted skin.

    METHOD FOR PRODUCING EXPANDED GRANULES
    7.
    发明申请
    METHOD FOR PRODUCING EXPANDED GRANULES 有权
    生产膨化颗粒的方法

    公开(公告)号：US20150174808A1

    公开(公告)日：2015-06-25

    申请号：US14391870

    申请日：2013-04-12

    申请人： BASF SE

    发明人： Hans Rudolph ,  Rainer Klostermann ,  Torben Kaminsky ,  Bernd Lohaus ,  Jürgen Ahlers ,  Bernhard Schmied ,  Peter Gutmann ,  Klaus Hahn ,  Frank Prissok ,  Elke Marten ,  Christian Däschlein

    IPC分类号： B29C47/00

    CPC分类号： B29C47/0011 ,  B29B9/065 ,  B29B9/12 ,  B29B9/14 ,  B29B9/16 ,  B29C44/3461 ,  B29K2075/00 ,  B29L2031/00 ,  C08G18/0895 ,  C08G18/6674 ,  C08G18/7671 ,  C08J9/122 ,  C08J9/141 ,  C08J9/16 ,  C08J9/34 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2203/182 ,  C08J2300/22 ,  C08J2367/00 ,  C08J2375/04 ,  C08J2377/00

    摘要： The invention relates to a process for production of expanded pellets from a polymer melt comprising a blowing agent, said process comprising the steps of: a) pressing the polymer melt comprising a blowing agent through a perforated disk controlled to a temperature between 150° C. and 280° C. and into a pelletizing chamber, b) using a cutting device to comminute the polymer melt pressed through the temperature-controlled perforated disk into individual expanding pellets, c) discharging the pellets from the pelletizing chamber using a liquid stream, wherein the blowing agent comprises CO2 or N2 or a combination of CO2 and N2 and the pelletizing chamber is traversed by a stream of liquid which is controlled to a temperature between 10° C. and 60° C. and the pressure of which is from 0.7 bar to 20 bar above ambient pressure, the pressure and temperature for the liquid in the pelletizing chamber and also the temperature for the perforated disk being chosen such that the pellets are expanded in the pressurized liquid by the blowing agent they contain so as to produce expanded pellets having an uninterrupted skin.

    摘要翻译： 本发明涉及一种由包含发泡剂的聚合物熔体制备发泡颗粒的方法，所述方法包括以下步骤：a）将包含发泡剂的聚合物熔体通过控制在150℃之间的多孔板压制 和280℃，并且进入造粒室，b）使用切割装置将通过温度控制的多孔盘压制的聚合物熔体粉碎成单独的膨胀颗粒，c）使用液体流将颗粒从造粒室排出，其中 发泡剂包括CO 2或N 2或CO 2和N 2的组合，并且造粒室通过液体流穿过，该液流被控制在10℃和60℃之间的温度，其压力为0.7巴 在环境压力以上20巴以下，选择造粒室中的液体的压力和温度以及多孔盘的温度，使得颗粒为exp 通过它们包含的发泡剂将其加压在加压液体中以产生具有不间断皮肤的发泡颗粒。

    PROCESS FOR PRODUCING EXPANDABLE PELLETIZED MATERIAL WHICH COMPRISES POLYLACTIC ACID
    8.
    发明申请
    PROCESS FOR PRODUCING EXPANDABLE PELLETIZED MATERIAL WHICH COMPRISES POLYLACTIC ACID 审中-公开
    生产包含聚酸的可膨胀助剂的方法

    公开(公告)号：US20130345327A1

    公开(公告)日：2013-12-26

    申请号：US13926252

    申请日：2013-06-25

    申请人： BASF SE

    发明人： Jerome Lohmann ,  Bangaru Dharmapuri Sriramulu Sampath ,  Peter Gutmann ,  Andreas Künkel ,  Klaus Hahn ,  Andreas FüßI

    IPC分类号： C08J9/16

    CPC分类号： C08J9/16 ,  C08J2367/04 ,  C08J2467/00

    摘要： The invention relates to a process for producing expandable pelletized material which comprises polylactic acid which comprises the following steps: a) melting and incorporation by mixing of the following components: i) from 61.9 to 98.9% by weight, based on the total weight of components i to iv, of polylactic acid, ii) from 1 to 38% by weight, based on the total weight of components i to iv, of at least one polyhydroxyalkanoate, iii) from 0 to 30% by weight, based on the total weight of components i to iv, of at least one polyester based on aliphatic and/or aromatic dicarboxylic acids and on aliphatic dihydroxy compounds; iv) from 0.1 to 2% by weight, based on the total weight of components i to iv, of a copolymer which comprises epoxy groups and which is based on styrene, acrylate, and/or methacrylate, and v) from 0 to 10% by weight, based on the total weight of components i to v, of one or more additives, b) incorporation by mixing of vi) from 3 to 7% by weight, based on the components i to v) of an organic blowing agent into the polymer melt by means of a static or dynamic mixer at a temperature of at least 140° C., c) discharging through a die plate with holes, the diameter of which at the exit from the die is at most 1.5 mm, and d) pelletizing the melt comprising blowing agent directly downstream of the die plate, and under water, at a pressure in the range from 1 to 30 bar.

    摘要翻译： 本发明涉及一种生产可膨胀颗粒材料的方法，该方法包括聚乳酸，其包括以下步骤：a）通过混合以下组分熔融和掺入：i）基于组分的总重量计，61.9至98.9重量％ i至iv，聚乳酸，ii）基于组分i至iv的至少一种聚羟基链烷酸酯的总重量为1至38重量％，iii）0至30重量％，基于总重量 的组分i至iv，至少一种基于脂族和/或芳族二羧酸的聚酯和脂族二羟基化合物; iv）基于组分i至iv的包含环氧基并且基于苯乙烯，丙烯酸酯和/或甲基丙烯酸酯的共聚物的总重量的0.1至2重量％，和v）0至10重量％ 基于组分i至v的一种或多种添加剂的总重量，b）通过将vi）3至7重量％的混合，基于有机发泡剂的组分i至v）掺入到 聚合物通过静态或动态混合器在至少140℃的温度下熔融，c）通过具有孔的模板排出，其中在模具出口处的直径为至多1.5mm，d ）将包含发泡剂的熔体直接在模板的下游和在水下，在1至30巴的压力下造粒。