公开(公告)号：US20150210838A1

公开(公告)日：2015-07-30

申请号：US14411453

申请日：2013-03-15

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Colin Li Pi Shan

IPC: C08L9/00

CPC classification number: C08L9/00 ,  C08L23/12 ,  C08L23/16 ,  C08L91/00 ,  C08L2201/02 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2207/04 ,  C08L2312/04 ,  C08L2314/06 ,  Y10T428/139

Abstract: The invention provides a composition comprising at least the following components: A) an ethylene/α-olefin/nonconjugated polyene interpolymer that has the following properties: i) a rheology ratio (V0.1/V100 at 190° C.) greater than, or equal to, 35; ii) a weight average molecular weight (Mw) greater than, or equal to, 200,000 g/mol; and iii) a CCDB (Chemical Composition Distribution Breadth) less than 7; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the interpolymer comprises incorporated oil. The invention also provides a composition comprising the following: A) a first composition comprising: a) a first ethylene/α-olefin/nonconjugated polyene interpolymer; b) a second ethylene/α-olefin/nonconjugated polyene interpolymer; and wherein the first composition has the following properties: i) an MWD less than, or equal to, 3.5, ii) a Mooney Viscosity (ML (1+4, 125° C.)) greater than, or equal to, 60, iii) a CCDB from 7 to 15; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the first interpolymer and the second interpolymer comprise incorporated oil.

Abstract translation: 本发明提供至少包含以下组分的组合物：A）具有以下特性的乙烯/α-烯烃/非共轭多烯互聚物：i）流变性比（190℃时的V0.1 / V100）大于， 或等于35; ii）大于或等于200,000g / mol的重均分子量（Mw）; 和iii）CCDB（化学成分分布宽度）小于7; B）热塑性聚合物; C）硫化剂; 并且其中所述互聚物包括掺入的油。 本发明还提供了包含以下的组合物：A）第一组合物，其包含：a）第一乙烯/α-烯烃/非共轭多烯互聚物; b）第二乙烯/α-烯烃/非共轭多烯互聚物; 并且其中所述第一组合物具有以下性质：i）MWD小于或等于3.5，ii）大于或等于60的门尼粘度（ML（1 + 4，125℃））， iii）7至15的CCDB; B）热塑性聚合物; C）硫化剂; 并且其中所述第一互聚物和所述第二互聚物包括掺入的油。

公开(公告)号：US20220411611A1

公开(公告)日：2022-12-29

申请号：US17638510

申请日：2020-08-26

Applicant: Dow Global Technologies LLC

Inventor： Yunfeng Yang ,  Xiaosong Wu ,  Juan C. Tuberquia ,  Yong Chen ,  Xianmin Xu ,  Tao Han

IPC: C08K13/04 ,  C08J3/24

Abstract: The present disclosure relates to a curable composition comprising: (A) a polyolefin; (B) a fumed alumina; (C) a silane compound; (D) a UV stabilizer; and, optionally, (E) a crosslinking agent, where the curable composition demonstrates improved electrical properties. The present disclosure further relates to a crosslinked polymer composition that is the reaction product of the curable composition, where improved electrical properties are demonstrated as well.

公开(公告)号：US20220372266A1

公开(公告)日：2022-11-24

申请号：US17639573

申请日：2020-09-21

Applicant: Dow Global Technologies LLC

Inventor： Varun Thakur ,  Xiaosong Wu ,  Colin Li Pi Shan

IPC: C08L23/16

Abstract: A composition comprising the following: a) a first ethylene/alpha-olefin/non-conjugated polyene interpolymer that has a Mooney Viscosity ≥50; b) a second ethylene/alpha-olefin/non-conjugated polyene interpolymer that has a Mooney Viscosity

公开(公告)号：US20220289960A1

公开(公告)日：2022-09-15

申请号：US17639577

申请日：2020-09-21

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Varun Thakur

IPC: C08L23/16

Abstract: The invention provides a composition comprising an interpolymer composition, and wherein the interpolymer composition comprises a first ethylene/alpha-olefin/nonconjugated polyene interpolymer; and a second ethylene/alpha-olefin/nonconjugated polyene interpolymer; and wherein the interpolymer composition has a Mooney Viscosity (ML(1+4), 125° C.)

公开(公告)号：US11434354B2

公开(公告)日：2022-09-06

申请号：US16640474

申请日：2018-09-19

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Xiaosong Wu ,  Chuan-Yar Lai ,  Daniel W. Himmelberger ,  Vivek Kalihari ,  Cristina Serrat ,  Vinita Yadav

IPC: C08L23/08 ,  B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  C08L53/02

Abstract: The present disclosure includes a composition that includes an ethylene/α-olefin random copolymer having density of 0.890 g/cm3 or less, a melting point of 100° C. or less, and a melt index from 0.2 g/10 min to 8.0 g/10 min, a styrenic block copolymer comprising from 1 wt % to less than 50 wt % units of styrene, a tackifier, and an oil. The composition may exhibit an overall melt index of the composition of from 2 g/10 min to 15 g/10 min. The composition can be used as an adhesive in some embodiments. The present disclosure also includes multilayer films that include the composition, which may provide reclose functionality to the multilayer film. The multilayer films that include the composition may provide low initial opening force and improved reclose adhesion through multiple reclose cycles. The present disclosure also includes various types of reclosable packaging articles that include the multilayer films and adhesive compositions.

公开(公告)号：US20220213305A1

公开(公告)日：2022-07-07

申请号：US17607530

申请日：2019-04-30

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Tao Han ,  Colin Li Pi Shan

IPC: C08L23/16

Abstract: The present disclosure provides a composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/nonconjugated polyene interpolymer includes from greater than 0 wt % to 6.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 80 to 85; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; (v) a tan delta ratio from 0.6 to 0.9; and (vi) an absolute tan delta slope from 5.0 to less than 10.0.

公开(公告)号：US10730223B2

公开(公告)日：2020-08-04

申请号：US15973755

申请日：2018-05-08

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Stefan Ultsch ,  Xiaosong Wu

IPC: B29C48/40 ,  B29C48/00 ,  B29C48/285 ,  E04D5/06 ,  B29K23/00 ,  B29K105/00 ,  B29L31/10 ,  B29C48/07 ,  B29B7/48 ,  B29B7/88

Abstract: The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 11925-2, surface exposure test.

公开(公告)号：US20180346699A1

公开(公告)日：2018-12-06

申请号：US15576038

申请日：2016-05-17

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Xiaosong Wu ,  Daniel W. Himmelberger ,  Lamy J. Chopin, III

IPC: C08L23/08 ,  C08L25/10 ,  C09J7/38

CPC classification number: C08L53/00 ,  B32B7/12 ,  B32B27/06 ,  B32B27/28 ,  B32B27/30 ,  B32B27/302 ,  B32B27/32 ,  B32B2405/00 ,  B32B2439/70 ,  C08L53/02 ,  C08L2203/162 ,  C08L2205/02 ,  C09J153/00

Abstract: The present disclosure provides a composition. In an embodiment, the composition includes: A) an ethylene/a-olefin multi-block copolymer having a melt index from 0.2 g/10 min to 8.0 g/10 min; B) a styrenic block polymer comprising from greater than 1 wt % to less that 50 wt % units of polymerized styrene; C) a tackifier; D) an oil; and the composition has a melt index from 3 g/10 min to 50 g/10 min. The composition is suitable for use as a pressure sensitive adhesive layer in a reclosable packaging structure.

公开(公告)号：US09987786B2

公开(公告)日：2018-06-05

申请号：US14649749

申请日：2013-12-23

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Stefan Ultsch ,  Xiaosong Wu

IPC: B29C47/40 ,  B29C47/10 ,  E04D5/06 ,  B29K23/00 ,  B29K105/00 ,  B29L31/10 ,  B29C47/00 ,  B29B7/48 ,  B29B7/88

CPC classification number: B29C47/402 ,  B29B7/48 ,  B29B7/88 ,  B29C47/0004 ,  B29C47/0019 ,  B29C47/1027 ,  B29C47/40 ,  B29K2023/08 ,  B29K2023/12 ,  B29K2105/0026 ,  B29K2105/0085 ,  B29L2031/108 ,  E04D5/06

Abstract: The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 1 1925-2, surface exposure test.

公开(公告)号：US20180037731A1

公开(公告)日：2018-02-08

申请号：US15539003

申请日：2015-12-11

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Kim L. Walton ,  Colin Li Pi Shan

IPC: C08L53/00 ,  C08F297/08

CPC classification number: C08L53/00 ,  C08F297/08 ,  C08F297/086 ,  C08L23/12 ,  C08L23/16

Abstract: A thermoplastic vulcanizate composition includes (a) a crystalline thermoplastic polyolefin comprising alpha-olefin monomers having from 2 to 5 carbon atoms, (b) a rubber block interpolymer comprising a first block and a second block having differing chemical or physical properties from the first block, the first block is derived from ethylene, a first alpha-olefin monomer having from 3 to 10 carbon atoms, and a first diene monomer having from 2 to 25 carbon atoms, the second block is derived from ethylene, a second alpha-olefin monomer having from 3 to 10 carbon atoms, and optionally a second diene monomer having from 2 to 25 carbon atoms, and an amount of the block interpolymer in the composition being greater than an amount of the thermoplastic polyolefin in the composition, and (c) a curative system.