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    • 121. 发明申请
    • METHOD FOR PRODUCING EXPANDED GRANULATE
    • 生产膨化颗粒的方法
    • US20160121524A1
    • 2016-05-05
    • US14897746
    • 2014-06-11
    • BASF SE
    • Christian DÄSCHLEINPeter GUTMANNFrank PRISSOKUwe KEPPELERJürgen AHLERS
    • B29C44/34B29B9/14C08J9/16B29B9/06
    • B29C44/3461B29B7/88B29B7/90B29B9/06B29B9/065B29B9/12B29B9/14B29C44/04B29C47/0011B29C47/0014B29C47/86B29K2021/003B29K2077/00B29K2105/0085B29K2105/16B29K2995/007B29K2995/0082C08J9/0066C08J9/122C08J9/16C08J9/34C08J2201/03C08J2203/06C08J2300/22C08J2300/26C08J2377/06
    • The invention relates to a process for production of expanded pellets from a thermoplastic elastomer having an elongation at break of more than 100% measured to DIN EN 150 527-2, said process comprising the steps of: (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 or N2 or a combination of CO2 and N2 and the amount of blowing agent in the polymer melt comprising a blowing agent lies in the range from 0.5 to 2.5 wt % and wherein the pelletizing chamber (26) is traversed by a stream of liquid which is controlled to a temperature between 5° C. and 90° C. and the pressure of which is from 0.1 bar to 20 bar above ambient pressure, the pressure and temperature for the liquid in the pelletizing chamber (26) and also the temperature for the perforated disk (18) 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.
    • 本发明涉及从根据DIN EN 150 527-2测量的断裂伸长率大于100%的热塑性弹性体生产发泡颗粒的方法,所述方法包括以下步骤:(a)将包含 发泡剂通过控制在150℃和280℃之间的温度的多孔盘(18)进入造粒室(26),(b)使用切割装置(20)粉碎通过 (18)分成单独的膨胀颗粒,(c)使用液体流(36)从造粒室(26)排出颗粒,其中发泡剂包括CO 2或N 2或CO 2和N 2的组合, 包含发泡剂的聚合物熔体中的发泡剂在0.5至2.5重量%的范围内,并且其中造粒室(26)通过被控制在5℃和90℃之间的温度的液流 ,其压力为0.1b 在高于环境压力的情况下,选择造粒室(26)中的液体的压力和温度以及多孔板(18)的温度,使得颗粒在加压液体中由发泡剂膨胀, 包含以产生具有不间断皮肤的发泡颗粒。
    • 125. 发明申请
    • PROCESS FOR FORMING A FOAM PRODUCT INTEGRAL WITH SURFACE COVER ELEMENT
    • 用于形成与表面覆盖元件整合的泡沫产品的方法
    • US20150298371A1
    • 2015-10-22
    • US14436238
    • 2013-12-02
    • TACHI-S CO., LTD.
    • Tsuyoshi Tabata
    • B29C44/18
    • B29C44/18B29C44/04B29K2075/00B29K2105/04B29L2009/00C08J9/122C08J9/34C08J2201/022C08J2203/06C08J2375/08
    • A process is provided for forming a foam product integral with a cover surface, which restricts emission of the carbon oxide during the step of preparing a carbon-oxide-mixed liquid by mixing carbon oxide into a first material containing polyol as a primary ingredient; under a pressure applied thereto. The process includes a first step wherein a carbon-oxide-mixed liquid material is prepared by mixing carbon oxide C into a first material containing polyol as a primary ingredient, under a pressure applied thereto, without effecting a forced stirring during said first step; a second step wherein said carbon-oxide-mixed liquid material and a second material containing isocyanate as a primary ingredient are impinged on and mixed with each other in a high-pressure foaming agent preparation device, thereby providing a resultant urethane material as a liquid urethane foaming agent; and a third step wherein said liquid urethane foaming agent produced at said second step is introduced toward an inside of a surface cover element under a pressure applied thereto.
    • 提供一种用于形成与盖表面一体的泡沫产品的方法,其通过将碳氧化物混合到含有多元醇作为主要成分的第一材料中来限制在制备碳氧化物混合液体的步骤期间碳氧化物的排放; 在施加压力的情况下。 该方法包括第一步骤,其中通过在施加到其上的压力下将碳氧化物C混合到含有多元醇作为主要成分的第一材料中而不在所述第一步骤中进行强制搅拌来制备碳氧化物混合液体材料; 第二步,其中所述碳氧化物混合液体材料和含有异氰酸酯作为主要成分的第二材料在高压发泡剂制备装置中彼此冲击并混合,由此提供所得聚氨酯材料作为液体聚氨酯 发泡剂; 以及第三步骤,其中在所述第二步骤产生的所述液态聚氨酯发泡剂在施加到其上的压力下被引导到表面覆盖元件的内部。