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    • 1. 发明申请
    • METHOD FOR PRODUCING EXPANDABLE GRANULATES CONTAINING POLYLACTIC ACID
    • 生产可膨胀含聚丙烯酸颗粒的方法
    • WO2011086030A2
    • 2011-07-21
    • PCT/EP2011050129
    • 2011-01-06
    • BASF SEFUESL ANDREASSAMPATH BANGARUHOFMANN MAXIMILIANBELLIN INGONALAWADE SAMEERHAHN KLAUSKUENKEL ANDREASLOOS ROBERT
    • FUESL ANDREASSAMPATH BANGARUHOFMANN MAXIMILIANBELLIN INGONALAWADE SAMEERHAHN KLAUSKUENKEL ANDREASLOOS ROBERT
    • C08L67/04C08J9/16
    • C08J9/127C08J9/0061C08J9/16C08J9/18C08J2333/14C08J2367/02C08J2367/04C08J2463/00C08J2467/02C08L33/068C08L67/02C08L67/04C08L2666/02
    • The invention relates to a method for producing expandable granulates containing polylactic acid, comprising the following steps: a) melting and mixing the constituents i) between 50 and 99.9 wt. %, relative to the total weight of constituents i) to iii), of polylactic acid, ii) between 0 and 49.9 wt. %, relative to the total weight of constituents i) to iii), of at least one other polymer, iii) between 0.1 and 2 wt. %, relative to the total weight of constituents i) to iii), of a diepoxide or polyepoxide, and iv) between 0 and 10 wt. % of at least one additive, b) mixing v) between 3 and 7 wt. %, relative to the total weight of constituents i) to iv), of an organic blowing agent, into the melted polymer mass, by means of a static or dynamic mixer, at a temperature of at least 40°C, c) discharging the mixture via a nozzle plate with boreholes having a maximum on the nozzle outlet diameter of 1.5 mm, and d) granulating the melted mass containing the blowing agent directly behind the nozzle plate, under water, at a pressure of between 1 and 20 bar. The invention also relates to expandable granulates containing polylactic acid, that can be obtained according to said method, and to special expandable granulates containing polylactic acid, and between 3 and 7 wt. % of an organic blowing agent, preferably n-pentane, and especially preferably iso-pentane. The invention also relates to a preferred method for producing expandable granulates containing polylactic acid and a blowing agent, with a low bulk density.
    • 本发明涉及一种用于制备可膨胀含聚乳酸的颗粒的方法,包括步骤:a)熔化并混合各组分ⅰ)50〜99.9重量%,基于组分的总重量,I至III),聚乳酸二 )0至49.9重量%,基于组分的总重量,i至iii)中,一种或多种其它聚合物,ⅲ)从0.1至2重量%,基于组分的总重量,i至iii)中, 二环氧化物或聚环氧化物和iv)0至10重量%的一种或多种添加剂%,b)将v)的3至7重量%,基于组分的总重量的I至IV)有机发泡剂到聚合物熔体借助于 在至少40℃的温度下的静态或动态混合器,c)通过用造粒孔,其直径在模出口至多1.5毫米,和d)的模板排出吹直接熔融超过管芯板未剂含有 在1到20巴范围内的压力下进行。 此外,本发明涉及通过该方法和特殊可膨胀含聚乳酸的颗粒与3〜7重量的有机发泡剂的重量%,优选正戊烷和更优选异戊烷的比例获得的可膨胀的含聚乳酸的颗粒。 此外,本发明涉及制备具有低堆积密度的含推进剂的可膨胀聚乳酸颗粒的优选方法。
    • 5. 发明专利
    • BIODEGRADABLE POLYESTER MIXTURE
    • CA2891687A1
    • 2014-05-22
    • CA2891687
    • 2013-11-08
    • BASF SE
    • YANG XINAUFFERMANN JORGSINKEL CARSTENLOHMANN JEROMELOOS ROBERTSKUPIN GABRIELKUNKEL ANDREASBORGER LARS
    • C08L67/00C08G63/00C08J5/18C08K3/00
    • The invention relates to a biodegradable polyester mixture, containing: i) 45 to 95 wt%, with respect to the total weight of components i and ii, of a polyester I, which is synthesized from: a-1) 40 to 70 wt%, with respect to the total weight of components a and b, of an aliphatic C9-C18 dicarboxylic acid or a C9-C18 dicarboxylic acid derivative; b-1) 30 to 60 wt%, with respect to the total weight of components a and b, of terephthalic acid or a terephthalic acid derivative; c-1) 98 to 100 wt%, with respect to the total weight of components a and b, of a C3-C6 diol; d-1) 0 to 2 wt%, with respect to the total weight of components a and b, of an at least trivalent alcohol; e-1) 0 to 2 wt%, with respect to the total weight of components a to e, of a chain extender; and ii) 5 to 55 wt%, with respect to the total weight of components i and ii, of a polyester II, which is synthesized from: a-2) 40 to 70 wt%, with respect to the total weight of components a and b, of an aliphatic C4-C6 dicarboxylic acid or a C4-C6 dicarboxylic acid derivative; b-2) 30 to 60 wt%, with respect to the total weight of components a and b, of terephthalic acid or a terephthalic acid derivative; c-2) 98 to 100 wt%, with respect to the total weight of components a and b, of a C3-C6 diol; d-2) 0 to 2 wt%, with respect to the total weight of components a and b, of an at least trivalent alcohol; e-2) 0 to 2 wt%, with respect to the total weight of components a to e, of a chain extender. 10 to 25 wt%, with respect to the total weight of polymer mixtures i to iv, of calcium carbonate; and 3 to 15 wt%, with respect to the total weight of polymer mixtures i to iv, of talc.
    • 8. 发明专利
    • Procedimiento para el revestimiento de papel
    • ES2398700T3
    • 2013-03-21
    • ES09783286
    • 2009-09-22
    • BASF SE
    • SKUPIN GABRIELLOOS ROBERTNEVALAINIEN KIMMOFUESSL ANDREAS
    • C09D167/02C08G63/16C08L67/02D21H19/28
    • Procedimiento para el revestimiento de papel, caracterizado porque como agente de revestimiento se emplea unpoliéster biodegradable, alifático-aromático, que contiene: i) un 40 a un 70 % en moles, referido a los componentes i a ii, de uno o varios derivados de ácidodicarboxílico o ácidos dicarboxílicos seleccionados a partir del grupo constituido por: ácido succínico, ácidoadípico, ácido sebácico, ácido azelaico y ácido brasílico; ii) un 60 a un 30 % en moles, referido a los componentes i a ii, de un derivado de ácido tereftálico; iii) un 98 a un 102 % en moles, referido a los componentes i a ii, de un alquilendiol con 2 a 8 átomos decarbono u oxialquilendiol con 2 a 6 átomos de carbono; iv) un 0,00 a un 2 % en peso, referido al peso total de componentes i a iii, de un agente de prolongación decadenas y/o reticulante seleccionado a partir del grupo constituido por: un isocianato di- o polifuncional,isocianurato, oxazolina, epóxido, anhídrido de ácido carboxílico y/o un alcohol al menos trifuncional, o unácido tricarboxílico al menos trifuncional; v) un 0,00 a un 50 % en peso, referido al peso total de componentes i a iv, de una carga orgánicaseleccionada a partir del grupo constituido por: almidón nativo o plastificado, fibras naturales, polvo demadera, y/o de una carga inorgánica seleccionada a partir del grupo constituido por: creta, carbonato decalcio precipitado, grafito, yeso, hollín conductivo, óxido de hierro, cloruro de calcio, dolomita, caolín, dióxidode silicio (cuarzo), carbonato sódico, dióxido de titanio, silicato, volastonita, mica, montmorillonita, talco,fibras de vidrio y fibras minerales, y vi) un 0,00 a un 2 % en peso, referido al peso total de componentes i a iv, de al menos un estabilizador,agente de nucleación, agente deslizante y separador, agente tensioactivo, cera, antiestático, agenteantiempañamiento, colorante, pigmento, filtro UV, estabilizador UV u otro aditivo de material sintético; y con un índice volumétrico de fusión (MVR) según EN ISO 1133 (190ºC, 2,16 kg de peso) de 3 a 50 cm3/10 cm.
    • 10. 发明公开
    • MULTI-LAYERED FILM
    • MEHRSCHICHTIGER电影
    • EP2914432A4
    • 2016-07-13
    • EP13852187
    • 2013-10-18
    • TORAY INDUSTRIESBASF SE
    • YAMAMURA GOUHEIHIROTA MASAYUKISAKAMOTO JUNLOOS ROBERTAUFFERMANN JORGYANG XIN
    • B32B27/36B32B27/08B32B27/28
    • B32B27/36B32B7/02B32B27/08B32B27/18B32B27/285B32B27/365B32B2250/24B32B2250/40B32B2270/00B32B2307/31B32B2307/54B32B2307/5825B32B2307/7163B32B2439/46B32B2439/70B32B2439/80
    • This invention relates to a multi-layered film that has high flexibility, tear resistance, heat sealability, interlayer contact strength, and biodegradability. The multi-layered film comprising layer (X) and layer (Y) which meet requirement (A): layer (X) comprises (a) lactic acid based resin, (b) biodegradable resin except lactic acid based resin, and (c) block copolymer resin of polyether segment and polylactic acid segment wherein resin (a), (b), and (c) account for 20-85 parts, 10-50 parts, and 5-30 parts by mass, respectively (resin (a), (b), and (c) in total account for 100 parts by mass) and requirement (B): layer (Y) comprises (d) aliphatic-aromatic polyester and resin (e) as defined below wherein resin (d) and (e) account for 30-100 parts and 0-70 parts by mass, respectively (resin (d) and (e) in total account for 100 parts by mass) Resin (e): at least one resin selected from the group consisting of lactic acid based resin, aliphatic polyester, polypropylene carbonate, and polyhydroxy alkanoate.
    • 本发明涉及具有高柔性,抗撕裂性,热封性,层间接触强度和生物降解性的多层膜。 (A):层(X)的包含层(X)和层(Y)的多层膜包含(a)乳酸类树脂,(b)乳酸类树脂以外的生物降解性树脂,(c) 其中树脂(a),(b)和(c)分别占20-85份,10-50份和5-30质量份(树脂(a))的聚醚链段和聚乳酸链段的嵌段共聚物树脂, ,(b)和(c)总计100质量份)和要求(B):层(Y)包含(d)如下定义的脂族 - 芳族聚酯和树脂(e),其中树脂(d)和 (e)分别为30〜100份,0〜70质量份(树脂(d)和(e)共计100质量份)树脂(e):至少一种选自 的乳酸类树脂,脂肪族聚酯,聚碳酸丙烯酯和聚羟基链烷酸酯。