複合樹脂発泡成形体
    151.
    发明申请
    複合樹脂発泡成形体 审中-公开
    复合树脂泡沫的模制体

    公开(公告)号:WO2014157538A1

    公开(公告)日:2014-10-02

    申请号:PCT/JP2014/058907

    申请日:2014-03-27

    Abstract:  エチレン-酢酸ビニル共重合体100質量部と、ポリスチレン系樹脂100~400質量部とを含む複合樹脂発泡成形体であり、前記複合樹脂発泡成形体が、100~500μmの平均気泡径D及び1~5μmの平均気泡膜厚Tを有する複合樹脂発泡成形体。

    Abstract translation: 提供一种复合树脂发泡体的成型体,其包含100质量份乙烯 - 乙酸乙烯酯共聚物和100-400质量份聚苯乙烯树脂。 复合树脂的成形体的平均气泡直径(D)为100〜500μm,平均气泡膜厚度(T)为1-5μm。

    VERFAHREN ZUR HERSTELLUNG VON EXPANDIERTEN POLYESTER-SCHAUMSTOFFPARTIKELN

    公开(公告)号:EP3055352A1

    公开(公告)日:2016-08-17

    申请号:EP14780809.1

    申请日:2014-09-29

    Applicant: BASF SE

    Inventor: KEPPELER, Uwe

    Abstract: The invention relates to a process for the production of expanded foam beads made of pellets comprising a polyester mixture composed of: • a) from 50 to 99% by weight, based on components a and b, of a biodegradable polyester based on aliphatic or aliphatic and aromatic dicarboxylic acids and aliphatic diols, and • b) from 1 to 50% by weight, based on components a and b, of polylactic acid, comprising the following steps: • (i) production of a suspension comprising pellets of the polyester mixture in a suspension medium, • (ii) impregnation of the pellets comprised in the suspension from step (i) with at least one physical or chemical blowing agent, in order to obtain blowing-agent-loaded pellets in suspension, by heating the mixture to the depressurization temperature IMT, with stirring, and • (iii) after expiry of a retention time, depressurization of the suspension obtained in step (ii), in order to obtain expanded foam beads, which comprises proceeding in an aqueous suspension medium, adding the blowing agent in step (i) or in step (ii) during the heating phase or immediately after the heating phase and, in step (ii), after heating, keeping the suspension for from 3 to 100 minutes at a temperature in the range from IMT minus 5°C to IMT plus 2°C. The invention further relates to expanded foam beads obtainable by said process, and also to the production of moldings from said foam beads.

    Abstract translation: 本发明涉及生产由粒料制成的膨胀泡沫珠粒的方法,所述粒料包含由以下组分组成的聚酯混合物:·a)基于组分a和b计50至99重量%的基于脂肪族或脂肪族的生物可降解聚酯 和芳族二羧酸和脂族二醇,和·b)基于组分a和b,1-50重量%的聚乳酸,其包括以下步骤:·(i)生产包含聚酯混合物粒料 在悬浮介质中,(ii)用至少一种物理或化学发泡剂浸渍来自步骤(i)的悬浮液中包含的粒料,以获得悬浮液中装载有发泡剂的粒料,通过将混合物加热至 (iii)在保留时间结束后,对步骤(ii)中获得的悬浮液进行减压,以获得膨胀的泡沫珠,其包括在含水悬浮液 (i)或步骤(ii)中,在加热阶段或紧接着加热阶段之后添加发泡剂,并且在步骤(ii)中,在加热之后,将悬浮液保持在3分钟至100分钟 温度范围从IMT减5°C到IMT加2°C。 本发明还涉及通过所述方法可获得的膨胀泡沫珠粒,并且还涉及由所述泡沫珠粒生产模制品。

    VERFAHREN ZUR HERSTELLUNG VON EXPANDIERTEN POLYESTER-SCHAUMSTOFFPARTIKELN

    公开(公告)号:EP3055351A1

    公开(公告)日:2016-08-17

    申请号:EP14777081.2

    申请日:2014-09-29

    Applicant: BASF SE

    Inventor: KEPPELER, Uwe

    Abstract: The invention relates to a method for producing expanded foam particles from a granular material, which contains at least one biodegradable polyester, which can be obtained from the following by polycondensation: A1) 40 to 60 mol%, with respect to components A1) to A2), of a succinic acid, adipic acid, azelaic acid, sebacic acid, brassylic acid, or the respective ester-forming derivatives of said acids or mixtures thereof, A2) 40 to 60 mol%, with respect to components A1 to A2), of a terephthalic acid or the ester-forming derivative thereof, B) 98.5 to 100 mol%, with respect to components A1) to A2), of 1,4-butanediol or 1,3-propanediol or mixtures thereof; and C) 0.05 to 1.5 wt%, with respect to components A1) to A2) and B), of a compound or of a plurality of compounds selected from the group comprising: C1) a compound having at least three groups capable of ester formation, C2) a di- or polyfunctional isocyanate, C3) a di- or polyfunctional epoxide; comprising the following steps: (i) producing a suspension containing a granular material in a suspending medium, (ii) impregnating the granular material contained in the suspension from step (i) with at least one physical blowing agent in order to obtain a blowing-agent-laden granular material in suspension, by heating up the mixture to the relaxation temperature IMT while the mixture is stirred, and (iii) relaxing the suspension obtained in step (ii) after the expiration of a holding time and cooling the relaxed suspension by means of a liquid aqueous coolant in order to obtain expanded foam particles, characterized in that the method is performed in a suspending medium containing water, the blowing agent is added in step (i) or in step (ii) during the heat-up phase or immediately after the heat-up phase, and in step (ii) the suspension is held at a temperature in the range of IMT minus 5°C to IMT plus 2°C for 3 to 100 minutes after the heat-up, and the quantity ratio of coolant to suspending medium is at least 0.3. The invention further relates to expanded foam particles that can be obtained in accordance with said method and to the production of molded parts made of said foam particles.

    Abstract translation: 一种用于生产膨胀泡沫珠粒的方法,其由包含聚酯混合物的丸粒制备,包含a)基于脂肪族的可生物降解的聚酯的基于组分a和b的50至99重量%,或脂族和芳族的混合物 ,二羧酸和脂肪族二醇,和b)基于聚乳酸的组分a和b的1至50重量%,所述方法包括以下步骤:(i)提供聚酯颗粒的水性悬浮液, ii)将步骤(i)的悬浮液中的颗粒与至少一种物理或化学发泡剂一起浸渍以提供悬浮液中的负载泡沫剂的颗粒,其中所述至少一种发泡剂的浸渍包括将混合物加热至减压 并且(iii)将步骤(ii)中获得的悬浮液减压以提供发泡泡珠。 在加热阶段或加热阶段之后,将至少一种发泡剂加入到步骤(i)或步骤(ii)中的悬浮液中,并且在加热步骤(ii)之后,将悬浮液保持在 在IMT减5摄氏度至IMT加2℃范围内的温度,持续3至100分钟。 本发明还涉及通过该方法获得的膨胀泡沫珠,以及从膨胀的泡沫珠生产模制品。

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