公开(公告)号：US20190263950A1

公开(公告)日：2019-08-29

申请号：US16405811

申请日：2019-05-07

Applicant: Dow Global Technologies LLC

Inventor： Frank J. Cerk ,  Rongjuan Cong ,  Shrikant Dhodapkar ,  Selim Yalvac ,  Morgan M. Hughes ,  Timothy W. Gambrel ,  Yi Jin

IPC: C08F210/16 ,  C08F4/659

Abstract: The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and reduced levels of inorganic content or lower Tm. The invention also provides processes for forming such interpolymers.

公开(公告)号：US20180320033A1

公开(公告)日：2018-11-08

申请号：US16031401

申请日：2018-07-10

Applicant: Dow Global Technologies LLC

Inventor： Yi Jin ,  Kim Walton ,  Gary Marchand ,  Selim Yalvac ,  Allan W. McLennaghan ,  Kate Brown ,  Carl Iverson ,  Cynthia Rickey

IPC: C09J123/16 ,  C09J11/06 ,  C08L91/06 ,  C09J11/08 ,  C08K5/00 ,  C08F10/06 ,  C09J123/12 ,  C08K5/103

Abstract: The present disclosure provides a composition. In an embodiment an adhesive composition is provided and includes A) a propylene based plastomer or elastomer (PBPE) comprising up to 10 wt % units derived from ethylene and having (i) a Koenig B-value less than 1.0; (ii) a total unsaturation per mole of propylene from 0.01% to 0.03%; (iii) a density from 0.870 g/cc to 0.890 g/cc; (iv) a melt viscosity at 177° C. from 800 mPa·s to 11,000 mPa·s; and (v) a weight average molecular weight from 20,000 to 50,000 g/mol; B) a tackifier; and C) a wax.

公开(公告)号：US20170267797A1

公开(公告)日：2017-09-21

申请号：US15616560

申请日：2017-06-07

Applicant: Dow Global Technologies LLC

Inventor： Frank J. Cerk ,  Rongjuan Cong ,  Shrikant Dhodapkar ,  Selim Yalvac ,  Morgan M. Hughes ,  Timothy W. Gambrel ,  Yi Jin

IPC: C08F210/16 ,  C08F4/6592 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F2/04 ,  C08F4/65908 ,  C08F4/65912 ,  Y02P20/582 ,  C08F4/6592

Abstract: The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and reduced levels of inorganic content or lower Tm. The invention also provides processes for forming such interpolymers.

公开(公告)号：US20170240784A1

公开(公告)日：2017-08-24

申请号：US15505493

申请日：2015-08-20

Applicant: Dow Global Technologies LLC

Inventor： Yi Jin ,  Kim L. Walton ,  Gary R. Marchand ,  Salim Yalvac ,  Allan Walter Mclennaghan ,  Burcak Conley ,  Dean Lee ,  Rongjuan Cong ,  Colin LI Pi Shan

IPC: C09J153/00 ,  C09J7/02

CPC classification number: C09J153/00 ,  C08L23/06 ,  C08L23/14 ,  C08L23/142 ,  C08L53/00 ,  C08L91/06 ,  C08L2201/00 ,  C09J7/35 ,  C09J123/142 ,  C09J123/20 ,  C09J2453/00

Abstract: A hot melt adhesive (HMA) composition includes (A) from 1-60 wt % of a block composite compatibilizer comprising (i) a hard polymer that includes propylene, (ii) a soft polymer that includes ethylene, and (iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer; (B) from 1-70 wt % of a tackifier; (C) from 1-40 wt % of at least one selected from the group of a wax and an oil; and (D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer.

公开(公告)号：US20170240735A1

公开(公告)日：2017-08-24

申请号：US15505475

申请日：2015-08-20

Applicant: Dow Global Technologies LLC

Inventor： Yi Jin ,  Kim L. Walton ,  Morgan M. Hughes ,  Thomas W. Karjala ,  Lamy J. Chopin lll ,  Dean Lee ,  Rongjuan Cong

IPC: C08L23/16

CPC classification number: C08L23/16 ,  C08L23/14 ,  C08L23/142 ,  C08L53/00 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2205/24 ,  C09J123/142 ,  C09J123/20 ,  C09J153/00

Abstract: A composition includes (A) 30-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 α-olefins of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) a density of 0.90 g/cc or less, and (iii) an MFR of 1 g/10 min or greater (230° C./2.16 kg); and (B) 5-70 wt % of a block composite nucleator comprising: (1) a first polymer that includes polypropylene; (2) a second polymer that includes an alpha-olefin based polymer, the alpha-olefin being selected from at least one of a C2 and C4-10 α-olefins, and (3) a block copolymer having a first segment and a second segment, the first segment of the block copolymer having the same composition as the first polymer in the block composite nucleator and the second segment of the block copolymer having the same composition as the second polymer of the block composite nucleator.

公开(公告)号：US09688795B2

公开(公告)日：2017-06-27

申请号：US14889271

申请日：2014-07-09

Applicant: Dow Global Technologies LLC

Inventor： Frank J. Cerk ,  Rongjuan Cong ,  Shrikant Dhodapkar ,  Selim Yalvac ,  Morgan M. Hughes ,  Timothy W. Gambrel ,  Yi Jin

IPC: C08F210/16 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F2/04 ,  C08F4/65908 ,  C08F4/65912 ,  Y02P20/582 ,  C08F4/6592

Abstract: The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and reduced levels of inorganic content or lower Tm. The invention also provides processes for forming such interpolymers.

公开(公告)号：US12264233B2

公开(公告)日：2025-04-01

申请号：US17047575

申请日：2019-06-12

Applicant: Dow Global Technologies LLC

Inventor： Allan Walter Mclennaghan ,  Yi Jin

IPC: C08L23/08 ,  C08F210/16 ,  C08L23/0807

Abstract: A composition comprising the following components: A) propylene/ethylene copolymer that has a density ≤0.880 g/cc, and a MWD(conv) from 2.00 to 3.00 and a melt viscosity (177 C)≤80,000 mPa*s; B) olefin multi-block copolymer that has a density ≤0.890 g/cc and a melt index (I2)≥0.5 g/10 min.

公开(公告)号：US11667819B2

公开(公告)日：2023-06-06

申请号：US17149202

申请日：2021-01-14

Applicant: Dow Global Technologies LLC

Inventor： Jozef J. I. Van Dun ,  Yi Jin

IPC: C09J123/16 ,  C08F210/16 ,  C09J11/06 ,  C08F4/659

CPC classification number: C09J123/16 ,  C08F210/16 ,  C09J11/06 ,  C08F4/65908 ,  C08F4/65912 ,  C08F2800/20 ,  Y02P20/582 ,  C08F210/16 ,  C08F4/6592 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/08 ,  C08F210/16 ,  C08F210/06 ,  C08F2500/08

Abstract: A composition is provided, which comprises an ethylene/C3-C6 alpha-olefin interpolymer, and wherein the interpolymer comprises the following properties:



a) an HCC value that meets the following equation:

HCC(wt %)≥−648.6[(wt %)(cc)/(g)]×(density)+569.4(wt %);

b) an aged flowability ≥130 g/sec.

公开(公告)号：US20220213355A1

公开(公告)日：2022-07-07

申请号：US17603790

申请日：2019-04-15

Applicant: Dow Global Technologies LLC

Inventor： Allan Walter McLennaghan ,  Yi Jin ,  Jozef J.I. Van Dun ,  Ryan Schneider ,  Wanfu Ma

IPC: C09J123/08 ,  C08L91/06

Abstract: The present disclosure provides a composition. The composition contains (A) an ethylene/α-olefin copolymer containing (i) ethylene and (ii) from 20 wt % to 35 wt % C6-C8 α-olefin comonomer, the ethylene/α-olefin copolymer having a density from 0.880 g/cc to 0.895 g/cc, a melt viscosity, at 177° C., from 4,000 mPa·s to 20,000 mPa·s, and a glass transition temperature from −55° C. to −20° C.; (B) a tackifier, and (C) a wax.

公开(公告)号：US20200048385A1

公开(公告)日：2020-02-13

申请号：US16654973

申请日：2019-10-16

Applicant: Dow Global Technologies LLC

Inventor： Frank J. Cerk ,  Rongjuan Cong ,  Shrikant Dhodapkar ,  Selim Yalvac ,  Morgan M. Hughes ,  Timothy W. Gambrel ,  Yi Jin

IPC: C08F210/16 ,  C08F4/659

Abstract: The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and reduced levels of inorganic content or lower Tm. The invention also provides processes for forming such interpolymers.