公开(公告)号：US20210355309A1

公开(公告)日：2021-11-18

申请号：US17321108

申请日：2021-05-14

Applicant: Braskem America, Inc.

Inventor： Juliana Breda Soares ,  Michelle K. Sing ,  Jacob Fallon ,  Alexandre di Pintor da Luz ,  Leonardo Ito ,  Hadi Mohammadi

IPC: C08L23/16 ,  B33Y70/10 ,  B33Y10/00 ,  B33Y30/00 ,  C08L23/14 ,  C08L23/08 ,  B29C64/118

Abstract: A compounded polymer composition suitable for manufacturing of isotropic three-dimensional printed articles may include an impact copolymer, a low crystalline ethylene/α-olefin copolymer; a nucleating agent; and filler, where the impact copolymer may include a matrix phase comprising a propylene-based polymer or copolymer; and a dispersed phase in the matrix phase, the dispersed phase comprising an ethylene-based copolymer, the ethylene-based copolymer having a C3-C12 comonomer, wherein the dispersed phase has a different composition than the matrix phase.

公开(公告)号：US12031046B2

公开(公告)日：2024-07-09

申请号：US17870325

申请日：2022-07-21

Applicant: BRASKEM AMERICA, INC.

Inventor： Michelle K. Sing ,  Hadi Mohammadi ,  Moises Magalhaes Werlang ,  Ana Paula de Azeredo ,  Jacob Fallon ,  Kevin Herrington ,  Collin Azinger

IPC: B33Y70/00 ,  B29C64/153 ,  B33Y10/00 ,  C09D11/037 ,  C09D11/108 ,  B29K23/00 ,  B29K105/00

CPC classification number: C09D11/108 ,  B29C64/153 ,  B33Y10/00 ,  B33Y70/00 ,  C09D11/037 ,  B29K2023/14 ,  B29K2105/0032

Abstract: The invention relates to a sinterable polymer composition, comprising: a random copolymer of propylene and an olefinic comonomer, containing about 2 to 10 wt % olefinic comonomer content, relative to 100 wt % of the random copolymer. The sinterable polymer composition may also contain at least one of a clarifier and a nucleator, and/or at least one additive selected from the group consisting of a primary antioxidant, a secondary antioxidant, an acid scavenger, a peroxide, an enhanced IR energy absorber, a long-term heat agent, and a polyolefin elastomer. The sinterable polymer composition has a melt flow rate from about 1 to 150 g/10 min (230° C./2.16 kg), measured according to ASTM D 1238; a crystallization temperature, Tc, from about 105 to 150° C.; and a xylene solubles content, XS, from about 3% to 40%.

公开(公告)号：US20230142166A1

公开(公告)日：2023-05-11

申请号：US17983593

申请日：2022-11-09

Applicant: BRASKEM AMERICA, INC.

Inventor： Michelle K. Sing ,  Juliana Breda Soares ,  Jacob Fallon ,  Collin Azinger

IPC: C08L23/06

CPC classification number: C08L23/06 ,  C08L2207/062 ,  C08L2207/04 ,  C08L2205/03

Abstract: The invention relates to an additive-manufacture feedstock, comprising an ethylene polymer blend composition having an ethylene polymer having a melt flow index of from 0.1 to 150 g/10 min (190° C./2.16 kg), measured according to ASTM D 1238, and at least one of the following components blended in the ethylene polymer: a polyolefin elastomer, an ethylene-vinyl ester polymer, a fiber, a nucleator or clarifier, or a polypropylene polymer. The additive-manufacture feedstock, when in the form of a printed article, exhibits an improved printability characterized by an improved warpage-resistance rating. The invention also relates to methods of making the additive-manufacture feedstock and methods of 3D printing or additive manufacturing using the additive-manufacture feedstock in various forms.

公开(公告)号：US20250129194A1

公开(公告)日：2025-04-24

申请号：US18918873

申请日：2024-10-17

Applicant: BRASKEM AMERICA, INC.

Inventor： Sarah Mitchell ,  Kimberly McLoughlin ,  Michelle K. Sing ,  Hadi Mohammadi

IPC: C08F255/02 ,  C08F263/04 ,  C08J3/20 ,  C08J3/24

Abstract: The invention relates to a crosslinked polymerized composition, comprising a crosslinker comprising a —Sn— moiety and having at least two polymerizable groups, wherein n is an integer of from 2 to 8, and one or more polymers. The invention also relates to methods of making a reversibly-crosslinked polymer by reacting the components of the polymerized composition via a reactive extrusion process, resulting in reversibly-crosslinked polymer having dynamic crosslinks.

公开(公告)号：US20240191070A1

公开(公告)日：2024-06-13

申请号：US18411725

申请日：2024-01-12

Applicant: Braskem America, Inc.

Inventor： Juliana Breda Soares ,  Michelle K. Sing ,  Jacob Fallon ,  Alexandre Di Pintor ,  Leonardo Ito ,  Hadi Mohammadi

IPC: C08L23/16 ,  B29C64/118 ,  B29K23/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  C08K3/34 ,  C08L23/08 ,  C08L23/14

CPC classification number: C08L23/16 ,  B29C64/118 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  C08L23/0815 ,  C08L23/14 ,  B29K2023/06 ,  B29K2023/14 ,  B29K2023/16 ,  C08K3/34 ,  C08L2205/24 ,  C08L2207/02

Abstract: A compounded polymer composition suitable for manufacturing of isotropic three-dimensional printed articles may include an impact copolymer, a low crystalline ethylene/α-olefin copolymer; a nucleating agent; and filler, where the impact copolymer may include a matrix phase comprising a propylene-based polymer or copolymer; and a dispersed phase in the matrix phase, the dispersed phase comprising an ethylene-based copolymer, the ethylene-based copolymer having a C3-C12 comonomer, wherein the dispersed phase has a different composition than the matrix phase.

公开(公告)号：US12091569B2

公开(公告)日：2024-09-17

申请号：US17744486

申请日：2022-05-13

Applicant: BRASKEM AMERICA, INC.

Inventor： Juliana Breda Soares ,  Jacob Fallon ,  Dillan Passos Bernardes ,  Mauro Alfredo Soto Oviedo ,  Nei Sebastião Domingues, Jr. ,  Manoela Ellwanger Cangussu ,  Michelle K. Sing ,  Jorge Manuel Jardim Da Silva

IPC: C09D123/08 ,  B29C64/118 ,  B33Y10/00 ,  B33Y70/10 ,  C08F210/02 ,  B29K23/00 ,  B29K105/16

CPC classification number: C09D123/0853 ,  B29C64/118 ,  B33Y10/00 ,  B33Y70/10 ,  C08F210/02 ,  B29K2023/083 ,  B29K2105/16 ,  C08F2800/20

Abstract: The invention relates to an additive-manufacture feedstock, comprising an ethylene-vinyl ester polymer having a melt flow rate of from 0.1 to 150 g/10 min (190° C./2.16 kg), measured according to ASTM D 1238, and a vinyl ester content of from about 1.0 wt % to about 30 wt %, wherein the ethylene-vinyl ester polymer exhibits a Shore A hardness of at least about 60. The pellets and filaments produced from the additive-manufacture feedstock have a high degree of printability in material-extrusion-based 3D printing technology, and can be used to produce 3D printing articles with a high consistency to the targeted 3D model and substantially no warpage. The invention also relates to methods of making the additive-manufacture feedstock and methods of 3D printing using the additive-manufacture feedstock in various forms.

公开(公告)号：US11912851B2

公开(公告)日：2024-02-27

申请号：US17321108

申请日：2021-05-14

Applicant: Braskem America, Inc.

Inventor： Juliana Breda Soares ,  Michelle K. Sing ,  Jacob Fallon ,  Alexandre di Pintor da Luz ,  Leonardo Ito ,  Hadi Mohammadi

IPC: C08L23/16 ,  B33Y70/10 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/118 ,  C08L23/08 ,  C08L23/14 ,  B29K23/00 ,  C08K3/34

CPC classification number: C08L23/16 ,  B29C64/118 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  C08L23/0815 ,  C08L23/14 ,  B29K2023/06 ,  B29K2023/14 ,  B29K2023/16 ,  C08K3/34 ,  C08L2205/24 ,  C08L2207/02

Abstract: A compounded polymer composition suitable for manufacturing of isotropic three-dimensional printed articles may include an impact copolymer, a low crystalline ethylene/α-olefin copolymer; a nucleating agent; and filler, where the impact copolymer may include a matrix phase comprising a propylene-based polymer or copolymer; and a dispersed phase in the matrix phase, the dispersed phase comprising an ethylene-based copolymer, the ethylene-based copolymer having a C3-C12 comonomer, wherein the dispersed phase has a different composition than the matrix phase.

公开(公告)号：US20210053276A1

公开(公告)日：2021-02-25

申请号：US16958302

申请日：2018-12-21

Applicant: Braskem America, Inc.

Inventor： Alessandro Bernardi ,  Alexandre di Pintor da Luz ,  Ana Paula de Azeredo ,  Leonardo Batista Ito ,  Juliana Breda Soares ,  Michelle K. Sing

IPC: B29C64/118 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00

Abstract: A method of manufacturing an article using an additive manufacturing technique may include melting a polymer composition; activating the polymer composition with one or more activating agents; and depositing the molten polymer composition to manufacture the article. An article may include a plurality of printed layers of a polyolefin composition, wherein the polyolefin composition is prepared from the deposition of an activated polyolefin composition, wherein the polyolefin composition is activated by one or more activating agents.