公开(公告)号：US20220127759A1

公开(公告)日：2022-04-28

申请号：US17431264

申请日：2020-02-04

Applicant: BASF SE

Inventor： Daniel SCHILLING ,  Klaus SCHEUERMANN ,  Jerome LOHMANN ,  Gijsbrecht Jacobus Maria HABRAKEN

IPC: D01F6/92 ,  C08L67/03 ,  D06P3/52 ,  D01D1/02

Abstract: The present invention relates to a process for the preparation of a spinnable composition (sC) by mixing at least one terephthalate polyester (A), at least one aliphatic-aromatic polyester (B), at least one oligomer (C) and optionally at least one additive (D). Moreover, the present invention relates to the spinnable composition (sC) obtained by this process, a process for the preparation of polyester fibers (PF) by extruding the spinnable composition (sC) through at least one spinneret, the polyester fibers (PF) obtained by this process, textile materials (T) comprising the polyester fibers (PF) a process for dying the textile materials (T), and the use of the oligomer (C) for the improvement of the rheology and/or the dyeability of a composition comprising at least one terephthalate polyester (A) and at least one aliphatic aromatic polyester (B).

公开(公告)号：US20200376822A1

公开(公告)日：2020-12-03

申请号：US16622322

申请日：2018-04-05

Applicant: BASF SE

Inventor： Robert LOOS ,  Joerg AUFFERMANN ,  Norbert EFFEN ,  Nora SCHLUTT ,  Carsten SINKEL ,  Jerome LOHMANN ,  Gabriel SKUPIN ,  Andreas KUENKEL

IPC: B32B27/36 ,  B32B27/08 ,  B32B27/20 ,  B32B27/22

Abstract: The invention relates to a biodegradable three-layer polyester film of 8 to 20 μm in thickness having a layer construction NB/C or preferably A/B/A, wherein the two outer layers (A) or (A, C) are composed of: Ai) 55% to 99.99% by weight based on the polyester mixture of the outer layers of a polyester selected from the group consisting of: polybutylene sebacate-co-terephthalate, polybutylene sebacate-co-adipate-co-terephthalate, polybutylene sebacate-co-succinate-co-terephthalate or mixtures thereof or a mixture of polybutylene sebacate-co-terephthalate and polybutylene adipate-co-terephthalate; Aii) 0.01% to 5% by weight based on the polyester mixture of the outer layers of at least one additive selected from the group consisting of: a wax, a plasticizer, a nucleating agent, antifogging agents, fillers and an antiblocking agent; and Aiii) 0% to 44.99% by weight based on the polyester mixture of the outer layers of a further biodegradable polymer selected from the group consisting of: polylactic acid (PLA), polycaprolactone (PCL), polyhydroxyalkanoate, polypropylene carbonate (PPC) or polyester produced from aliphatic dicarboxylic acids and an aliphatic dihydroxy compound; and the middle layer B is composed of: Bai) 40% to 75% by weight based on the mixture of the middle layer of a biodegradable aliphatic-aromatic polyester; Baii) 25% to 40% by weight based on the mixture of the middle layer of starch having a plasticizer content of 0% to 5% by weight based on the total weight of the component Baii); and Baiii) 0% to 20% by weight based on the mixture of the middle layer of a further biodegradable polymer selected from the group consisting of: polylactic acid (PLA), polycaprolactone (PCL), polyhydroxyalkanoate, polypropylene carbonate (PPC) or polyester produced from aliphatic dicarboxylic acids and an aliphatic dihydroxy compound; or Bbi) 25% to 70% by weight based on the mixture of the middle layer of a biodegradable aliphatic-aromatic polyester; Bbii) 30% to 55% by weight based on the mixture of the middle layer of starch having a plasticizer content of 5% to 35% by weight based on the total weight of the component Bbii); and Bbiii) 0% to 20% by weight based on the mixture of the middle layer of a further biodegradable polymer selected from the group consisting of: polylactic acid (PLA), polycaprolactone (PCL), polyhydroxyalkanoate, polypropylene carbonate (PPC) or polyester produced from aliphatic dicarboxylic acids and an aliphatic dihydroxy compound.

公开(公告)号：US20220195113A1

公开(公告)日：2022-06-23

申请号：US17612246

申请日：2020-05-19

Applicant: BASF SE

Inventor： Timo Benjamin WITT ,  Norbert EFFEN ,  Jerome LOHMANN ,  Motonori YAMAMOTO ,  Andreas KUENKEL

IPC: C08G63/90 ,  C08G63/183 ,  C08G63/80

Abstract: The present invention relates to a continuous process for purifying an aliphatic-aromatic polyester constructed from aliphatic dicarboxylic acids, aromatic dicarboxylic acids and aliphatic diols in a degassing apparatus, wherein the crude polyester is degassed for 3 to 30 minutes at a pressure of 0.01 to 5 mbar in the presence of 1% to 7% by weight, based on the total weight of the crude polyester, of an entraining agent.

公开(公告)号：US20190127545A1

公开(公告)日：2019-05-02

申请号：US16306755

申请日：2017-06-01

Applicant: BASF SE

Inventor： Bangaru Dharmapuri Sriramulu SAMPATH ,  Jerome LOHMANN ,  Peter GUTMANN

IPC: C08J9/16 ,  C08J9/12 ,  C08J9/14 ,  C08J9/00 ,  C08J3/22 ,  C08L67/04

Abstract: The invention relates to a process for the preparation of expandable polylactic-acid-containing pellets, comprising the steps of a) Melting and incorporation by mixing of the following components: i) from 65 to 95% by weight, based on the total weight of components i to iii, of polylactic acid, where the polylactic acid consists of: ia) from 65 to 95% by weight of polylactic acid with content of from 0.3 to 5% of D-lactic acid and ib) from 5 to 35% by weight of polylactic acid with content of from 10 to 18% of D-lactic acid; ii) from 5 to 35% by weight, based on the total weight of components i to iii, of an aliphatic polyester selected from the group consisting of polybutylene succinate, polybutylene succinate-co-adipate and polybutylene succinate-co-sebacate; iii) from 0 to 2% by weight, based on the total weight of components i to iii, of a compatibilizer; iv) from 0.1 to 5% by weight, based on the total weight of components i to iii, of an additive, b) incorporation by mixing of v) from 1 to 7% by weight, based on the total weight of components i to v, of an organic blowing agent and vi) from 0.01 to 5% by weight of a co-blowing agent—selected from the group of nitrogen, carbon dioxide, argon, helium and mixtures thereof— into the polymer melt by means of a static or dynamic mixer at a temperature of at least 140° C., c) discharge through a die plate with perforations, the diameter of which at the die outlet is at most 1.5 mm, and d) underwater pelletization of the blowing-agent-containing melt directly downstream of the die plate at a pressure in the range from 1 to 21 bar.

公开(公告)号：US20250129272A1

公开(公告)日：2025-04-24

申请号：US18695857

申请日：2022-09-27

Applicant: BASF SE

Inventor： Michael Bernhard SCHICK ,  Jerome LOHMANN ,  Timo Benjamin WITT ,  Frank BLOSS

IPC: C09J7/29 ,  C09J133/08 ,  C09J175/04

Abstract: The present invention relates to a biodegradable lamination film having the A/B layer structure, where layer A of thickness 0.5 to 7 μm comprises a polyurethane or acrylate adhesive; and where layer B of thickness 5 to 150 μm comprises an aliphatic polyester and/or aliphatic-aromatic polyester, where the aliphatic-aromatic polyester is of the following composition: b1-i) 30 to 70 mol %, based on components b1-i and b1-ii, of a C6-C18 dicarboxylic acid; b1-ii) 30 to 70 mol %, based on components b1-i and b1-ii, of terephthalic acid; b1-iii) 98 to 100 mol %, based on components b1-i and b1-ii, of propane-1,3-diol or butane-1,4-diol; b1-iv) 0% to 2% by weight, based on components b1-i and b1-iii, of a chain extender and/or branching agent.

公开(公告)号：US20220033645A1

公开(公告)日：2022-02-03

申请号：US17311177

申请日：2019-12-05

Applicant: BASF SE

Inventor： Jerome LOHMANN ,  Maximilian LEHENMEIER ,  Norbert EFFEN ,  Martin BUSSMANN ,  Michael Bernhard SCHICK ,  Timo Benjamin WITT

IPC: C08L67/02

Abstract: The present invention relates to a process for producing a (co)polyester, wherein the (co)polyester at least partially consists of 1,4-butylene dicarboxylate units, in a degassing plant, wherein the crude (co)polyester is degassed in the presence of 0.1% to 5% by weight, based on the total weight of the input materials, of an entraining agent at a pressure between 5 to 300 mbar.

公开(公告)号：US20190202087A1

公开(公告)日：2019-07-04

申请号：US16323664

申请日：2017-08-01

Applicant: BASF SE

Inventor： Jerome LOHMANN ,  Peter GUTMANN ,  Bangaru Dharmapuri Sriramulu SAMPATH ,  Andreas KUENKEL ,  Juergen AHLERS ,  Uwe KEPPELER ,  Thomas HEITZ ,  Jens-Uwe SCHIERHOLZ

IPC: B29B9/06 ,  B29B9/14 ,  B29C48/00 ,  C08L67/02

CPC classification number: B29B9/065 ,  B29B9/12 ,  B29B9/14 ,  B29B9/16 ,  B29C44/3461 ,  B29C44/445 ,  B29C48/0012 ,  B29C48/0022 ,  B29K2033/04 ,  B29K2105/0005 ,  B29K2995/0063 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/122 ,  C08J9/16 ,  C08J9/232 ,  C08J9/236 ,  C08J9/34 ,  C08J2201/026 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/182 ,  C08J2300/16 ,  C08J2367/02 ,  C08J2400/16 ,  C08J2467/02 ,  C08L67/02 ,  C08L2203/14

Abstract: The invention relates to a process for production of expanded foam beads of one or more polyesters based on aliphatic or aliphatic and aromatic dicarboxylic acids and aliphatic diols, comprising the steps of: (a) melting the polyester and admixing the polyester with 1 to 3.5 wt %, based on the polyester, of a carbon dioxide and/or nitrogen blowing agent and also 0.1 to 2 wt % of a nucleating agent, and pressing the nucleated polyester melt, containing blowing agent, through a perforated disk controlled to a temperature between 150° C. and 185° C. and into a pelletizing chamber, (b) using a cutting device to comminute the polymer melt pressed through the perforated disk into individual expanding pellets, (c) discharging the pellets from the pelletizing chamber into a stream of water which is at a temperature of 5 to 90° C. and a pressure of 0.1 bar to 20 bar above ambient pressure.

公开(公告)号：US20150307671A1

公开(公告)日：2015-10-29

申请号：US14441233

申请日：2013-11-08

Applicant: BASF SE

Inventor： Xin YANG ,  Jörg AUFFERMANN ,  Carsten SINKEL ,  Jerome LOHMANN ,  Robert LOOS ,  Gabriel SKUPIN ,  Andreas KÜNKEL ,  Lars BÖRGER

IPC: C08J5/18 ,  C08K3/26 ,  C08K3/34

CPC classification number: C08J5/18 ,  C08J2300/16 ,  C08J2367/02 ,  C08J2367/03 ,  C08J2467/02 ,  C08J2467/03 ,  C08J2467/04 ,  C08K3/013 ,  C08K3/26 ,  C08K3/34 ,  C08K2003/265 ,  C08L67/02 ,  C08L67/04

Abstract: The invention relates to a biodegradable polyester mixture comprising: i) 71 to 91 wt %, based on the total weight of components i and ii, of a polyester I constructed from: a-1) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C9-C16 dicarboxylic acid or of a C9-C16 dicarboxylic acid derivative; b-1) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-1) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-1) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-1) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender, and ii) 9 to 29 wt %, based on the total weight of components i and ii, of a polyester II constructed from: a-2) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C4-C6 dicarboxylic acid or of a C4-C6 dicarboxylic acid derivative; b-2) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-2) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-2) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-2) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender.

Abstract translation: 本发明涉及可生物降解的聚酯混合物，其包含：i）基于由以下组成的聚酯I的组分i和ii的总重量的71至91重量％：a-1）40至70重量％，基于总计 脂肪族C 9 -C 16二羧酸或C 9 -C 16二羧酸衍生物的组分a和b的重量; b-1）30至60重量％，基于对苯二甲酸或对苯二甲酸衍生物的组分a和b的总重量; c-1）基于C 3 -C 6二醇的组分a和b的总重量为98〜100重量％ d-1）0至2重量％，基于组分a和b的总重量至少三元醇; e-1）0至2重量％，基于增链剂组分a至e的总重量，和ii）基于聚酯II的组分i和ii的总重量9至29重量％ 由a-2构成）40至70重量％，基于组分a和b的脂族C 4 -C 6二羧酸或C 4 -C 6二羧酸衍生物的总重量; b-2）30至60重量％，基于对苯二甲酸或对苯二甲酸衍生物的组分a和b的总重量; c-2）基于C 3 -C 6二醇组分a和b的总重量的98至100重量％; d-2）0至2重量％，基于组分a和b的总重量至少三元醇; e-2）0至2重量％，基于增链剂组分a至e的总重量。