公开(公告)号：EP2524004A2

公开(公告)日：2012-11-21

申请号：EP11700056.2

申请日：2011-01-06

Applicant: BASF SE

Inventor： FÜßL, Andreas ,  SAMPATH, Bangaru ,  HOFMANN, Maximilian ,  BELLIN, Ingo ,  NALAWADE, Sameer ,  HAHN, Klaus ,  KÜNKEL, Andreas ,  LOOS, Robert

IPC: C08L67/04 ,  C08J9/16

CPC classification number: C08J9/127 ,  C08J9/0061 ,  C08J9/16 ,  C08J9/18 ,  C08J2333/14 ,  C08J2367/02 ,  C08J2367/04 ,  C08J2463/00 ,  C08J2467/02 ,  C08L33/068 ,  C08L67/02 ,  C08L67/04 ,  C08L2666/02

Abstract: Producing expandable polylactic acid-containing granules, comprises: (a) melting and mixing (i) polylactic acid, (ii) at least one additional polymer, (iii) a diepoxide or polyepoxide and (iv) at least one additive, preferably nucleating agent; (b) mixing (v) an organic blowing agent and (vi) a co-blowing agent including nitrogen, carbon dioxide, argon and/or helium, into the polymer melt via a static or dynamic mixer; (c) discharging the mixture via a nozzle plate with holes; and (d) granulating the blowing agent-containing melt directly behind the nozzle plate under water. Producing expandable polylactic acid-containing granules, comprises: (a) melting and mixing (i) polylactic acid (50-99.9 wt.%, based on the total weight of the components (i)-(iii)), (ii) at least one additional polymer (0-49.9 wt.%, based on the total weight of the components (i)-(iii)), (iii) a diepoxide or polyepoxide (0.1-2 wt.%, based on the total weight of the components (i)-(iii)) and (iv) at least one additive, preferably nucleating agent (0-10 wt.%, based on the total weight of the components (i)-(iii)); (b) mixing (v) an organic blowing agent (3-7 wt.%, preferably 1-7 wt.%, based on the total weight of the components (i)-(iv)) and (vi) a co-blowing agent including nitrogen, carbon dioxide, argon and/or helium (0.01-5 wt.%), into the polymer melt via a static or dynamic mixer at a temperature of at least 140[deg] C; (c) discharging the mixture via a nozzle plate with holes, whose diameter at the nozzle outlet is not > 1.5 mm; and (d) granulating the blowing agent-containing melt directly behind the nozzle plate under water at a pressure of 1-20 bar. Independent claims are also included for: (1) the expandable polylactic acid-containing granules with cavities with an average diameter of 0.1-50 mu m and a solid proportion of 93-97 wt.% obtained by the above method, comprising (in wt.%) (i) the polylactic acid (50-98.9, based on the total weight of components (i)-(iii)), (ii) at least one polyester based on aliphatic and aromatic dicarboxylic acids and aliphatic dihydroxy compounds (1-49.9, based on the total weight of components (i)-(iii)), (iii) an epoxide group-containing copolymer based on styrene, acrylic acid ester and/or methacrylic acid ester (0.1-2, based on the total weight of components (i)-(iii)), (iv) the additive (0-10, based on the total weight of components (i)-(iii)), and (v) the organic blowing agent (3-7), or a polylactic acid-containing polymer mixture; (2) producing particles of foam molded parts, comprising pre-foaming the expandable polylactic acid-containing granules with hot air or steam to form the foam particles with a density of 8-100 kg/m 3>, and then welding the foam particles in a closed mold; (3) the polylactic acid-containing polymer mixture comprising (in wt.%) (i) the polylactic acid (60-98.9, based on the total weight of components (i)-(iii)), (ii) at least one polyester (1-39.9, based on the total weight of components (i)-(iii)), based on (a) succinic acid (90-99.5 mol.%, based on the components (i)-(ii)), (b) at least one dicarboxylic acids with 8-20 carbon atoms (0.5-10 mol.%, based on the components (i)-(ii)), (c) 1,3-propanediol or 1,4-butanediol (98-102 mol.%, based on the components (i)-(ii)), (iii) the epoxide group-containing copolymer (0.1-2, based on the total weight of the components (i)-(iii)), and (iv) the nucleating agent (0-1, based on the total weight of components (i)-(iii)); and (4) foam materials comprising the polylactic acid-containing polymer mixture.

Abstract translation: （a）熔化并混合（i）聚乳酸，（ii）至少一种另外的聚合物，（iii）二环氧化物或聚环氧化物和（iv）至少一种添加剂，优选成核剂 ; （b）通过静态或动态混合器将（v）有机发泡剂和（vi）包含氮气，二氧化碳，氩气和/或氦气的共发泡剂混入聚合物熔体中; （c）通过具有孔的喷嘴板排出混合物; 和（d）在水下直接在喷嘴板后面将含发泡剂的熔体造粒。 （a）熔融和混合（i）聚乳酸（基于组分（i） - （iii）的总重量为50-99.9重量％），（ii）在 至少一种另外的聚合物（基于组分（i） - （iii））的总重量为0-49.9重量％），（iii）二环氧化物或聚环氧化物（0.1-2重量％，基于 （i） - （iii））和（iv）至少一种添加剂，优选成核剂（基于组分（i） - （iii）的总重量为0-10重量％）; （b）将（v）有机发泡剂（3-7重量％，优选1-7重量％，基于组分（i） - （iv）的总重量）和（vi） 包括氮气，二氧化碳，氩气和/或氦气（0.01-5重量％）的发泡剂通过静态或动态混合器在至少140℃的温度下进入聚合物熔体; （c）经由具有孔的喷嘴板排出混合物，所述孔的直径在喷嘴出口不大于1.5mm; （d）在1-20巴的压力下，在水下将含发泡剂的熔体直接造粒在喷嘴板后面。 独立权利要求还包括：（1）通过上述方法获得的具有平均直径为0.1-50μm，固体比例为93-97重量％的具有空腔的可膨胀聚乳酸颗粒，其包含（wt （i） - （i）聚乳酸（50-98.9，基于组分（i） - （iii）的总重量），（ii）至少一种基于脂族和芳族二羧酸和脂族二羟基化合物的聚酯（1） （iii）基于苯乙烯，丙烯酸酯和/或甲基丙烯酸酯的含环氧基团的共聚物（0.1-2，基于组分（i） - （iii）的总重量） （iv）添加剂（0-10，基于组分（i） - （iii）的总重量）和（v）有机发泡剂（3-7 ）或含聚乳酸的聚合物混合物; （2）生产泡沫成型部件的颗粒，包括用热空气或蒸汽预发泡含有可发性聚乳酸的颗粒以形成密度为8-100kg / m 3的泡沫颗粒，然后将泡沫颗粒 在封闭的模具中; （3）包含（以重量％计）（i）聚乳酸（60-98.9，基于组分（i） - （iii）的总重量）的含聚乳酸的聚合物混合物，（ii）至少一种 基于（a）基于组分（i） - （ii）的琥珀酸（90-99.5摩尔％））的聚酯（1-39.9，基于组分（i） - （iii）的总重量） （b）至少一种具有8-20个碳原子的二羧酸（基于组分（i） - （ii）的0.5-10摩尔％），（c）1,3-丙二醇或1,4-丁二醇（ 基于组分（i） - （ii）），（iii）含环氧基团的共聚物（0.1-2，基于组分（i） - （iii）的总重量计）为98-102摩尔％ ，和（iv）成核剂（0-1，基于组分（i） - （iii）的总重量）; 和（4）包含含聚乳酸的聚合物混合物的泡沫材料。

公开(公告)号：EP2524004B1

公开(公告)日：2015-11-11

申请号：EP11700056.2

申请日：2011-01-06

Applicant: BASF SE

Inventor： FÜßL, Andreas ,  SAMPATH, Bangaru ,  HOFMANN, Maximilian ,  BELLIN, Ingo ,  NALAWADE, Sameer ,  HAHN, Klaus ,  KÜNKEL, Andreas ,  LOOS, Robert

IPC: C08L67/04 ,  C08J9/16

CPC classification number: C08J9/127 ,  C08J9/0061 ,  C08J9/16 ,  C08J9/18 ,  C08J2333/14 ,  C08J2367/02 ,  C08J2367/04 ,  C08J2463/00 ,  C08J2467/02 ,  C08L33/068 ,  C08L67/02 ,  C08L67/04 ,  C08L2666/02

公开(公告)号：EP2758474A1

公开(公告)日：2014-07-30

申请号：EP12756512.5

申请日：2012-09-12

Applicant: BASF SE

Inventor： JAIN, Sachin ,  NALAWADE, Sameer

IPC: C08L101/00 ,  C08L25/06 ,  C08L27/06 ,  C08L33/12 ,  C08L77/00 ,  C08L67/02 ,  C08L59/02 ,  C08L67/04 ,  C08L33/06

CPC classification number: C08L77/02 ,  C08K9/06 ,  C08L25/06 ,  C08L27/06 ,  C08L33/068 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2205/035 ,  C08L67/02 ,  C08L67/04

Abstract: The invention relates to a thermoplastic molding compound, comprising: A) 69 to 98 weight percent, in relation to the components A and B, of a thermoplastic, selected from the group consisting of: polyvinyl chloride, polystyrene, polymethyl methacrylate, polyamide, polybutylene teraphthalate and polyoxymethylene; B) 2 to 31 weight percent in relation to the components A and B of a polymer blend, comprising: i) 30 to 70 weight percent in relation to the total weight of components i and ii, of at least one polyester on the basis of aliphatic and/or aromatic dicarboxylic acid and an aliphatic dihydroxy compound; ii) 70 to 30 weight percent in relation to the total weight of the components i to ii, of polylactic acid; iii) 0 to 10 weight percent, in relation to the total weight of the components i to iv, of an epoxide group-containing copolymer on the basis of styrene, acrylic acid ester and/or methacrylic acid ester; iv) 0 to 15 weight percent in relation to the total weight of the components i to iv, of nucleation agents, lubricants and antiblocking agents, waxes, antistatic agents, antifog means or dyes; and C) 0 to 40 weight percent, in relation to the components A to C, of further additives.

公开(公告)号：EP2758471A1

公开(公告)日：2014-07-30

申请号：EP12761580.5

申请日：2012-09-12

Applicant: BASF SE

Inventor： JAIN, Sachin ,  NALAWADE, Sameer

IPC: C08L77/00 ,  C08L77/02 ,  C08L67/02

CPC classification number: C08L77/02 ,  C08L77/00 ,  C08L67/02

Abstract: The invention relates to thermoplastic molding compounds, comprising: A) 80 to 99.5 weight percent, in relation to the components A and B, of a polyamide A; B) 0.5 to 20 weight percent, in relation to the components A and B, of a co-polyester B having a viscosity number according to DIN 53728 from 150 to 320 cm
3 /g comprising: B
1 ) 40 to 80 weight percent in relation to the total weight of the components B
1 and B
2 at least of a succinic, adipic, azelaic, sebacic or brassylic acid or the ester-forming derivatives or mixtures thereof, B
2 ) 20 to 60 weight percent in relation to the total weight of the components B
1 and B
2 of terephthalic acid or the ester forming derivatives or mixtures thereof, B
3 ) 98 to 102 mol percent in relation to the components B
1 and B
2 , of 1,4 butanediol or 1,3 propanediol or mixtures thereof as a diol component, B
4 ) 0 to 1 weight percent in relation to the component B, of a splitter, B
5 ) 0 to 2 weight percent in relation to the component B, of a chain extender, B
6 ) 0 to 2 weight percent in relation to the component B, of further additives; C) 0 to 60 weight percent in relation to the components A to D, of a fibrous reinforcement material C; D) 0 to 10 weight percent in relation to the components A to D, of further additives D. The invention further relates to a method for increasing the notched impact strength in polyamides as well as to the use of the molding compounds previously indicated for producing fibers, foils and molded bodies and to fibers, foils and molded bodies that can be obtained from said molding compounds.