Functionalized ethylene/alpha-olefininterpolymers with high graft levels
US-2021198473-A1 · Jul 1, 2021 · US
Ethylene/alpha-olefin interpolymer based compositions with excellent adhesion properties
US2024101800A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024101800-A1 |
| Application number | US-202118263610-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 14, 2021 |
| Priority date | Apr 14, 2021 |
| Publication date | Mar 28, 2024 |
| Grant date | — |
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- Title
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Abstract
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A composition comprising the following components: a) a first ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.855 to 0.885 g/cc; b) a second ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.900 to 0.960 g/cc; and wherein the weight ratio of component a to component b is from 1.0 to 100.
First claim
Opening claim text (preview).
1 . A composition comprising the following components: a) a first ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.855 to 0.885 g/cc; b) a second ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.900 to 0.960 g/cc; and wherein the weight ratio of component a to component b is from 1.0 to 100. 2 . The composition of claim 1 , wherein the density ratio of component b to component a is from 1.02 to 1.12. 3 . The composition of claim 1 , wherein the weight ratio of component a to component b is from 1.0 to 30. 4 . The composition of claim 1 , wherein the melt viscosity (177° C.) ratio of component b to component a is from 0.80 to 1.20. 5 . The composition of claim 1 , wherein the first ethylene/alpha-olefin interpolymer (component a) is an ethylene/alpha-olefin copolymer. 6 . The composition of claim 1 , wherein the second ethylene/alpha-olefin interpolymer (component b) is an ethylene/alpha-olefin copolymer. 7 . The composition of claim 1 , wherein the composition comprises from 30 wt % to 50 wt % of the sum of components a and b, based on the weight of the composition. 8 . The composition of claim 1 , wherein the composition further comprises a wax (component c). 9 . The composition of claim 8 , wherein the wax (component c) has a melt viscosity (135° C.) from 1.0 mPa·s to 50 mPa·s. 10 . The composition of claim 8 , wherein the weight ratio of component c to component b is from 0.5 to 6.0. 11 . The composition of claim 1 , wherein the composition further comprises a tackifier (component d) 12 . The composition of claim 1 , wherein the composition further comprises an oil (component e). 13 . The composition of claim 1 , wherein the composition comprises from 85.0 wt % to 100.0 wt % of the sum of components a, b, c and d, based on the weight of the composition. 14 . The composition of claim 1 , wherein the composition has a melt viscosity (177° C.) from 400 mPa·s to 5,000 mPa·s. 15 . The composition of claim 1 , wherein the composition has a Fiber Tear at −20° C.≥50%. 16 . The composition of claim 1 , wherein the composition has a Fiber Tear at 0° C.≥60%. 17 . The composition of claim 1 , wherein the composition has a Fiber Tear at 60° C.≥70%. 18 . The composition of claim 1 , wherein the composition has a PAFT value ≥50° C. 19 . The composition of claim 1 , wherein the composition has a SAFT value ≥70° C. 20 . An article comprising at least one component formed from the composition of claim 1 .
Assignees
Inventors
Classifications
- C08L23/0815Primary
with aliphatic 1-olefins containing one carbon-to-carbon double bond · CPC title
Copolymers of ethene with aliphatic 1-olefins · CPC title
containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure · CPC title
containing four or more polymers in a blend · CPC title
Compositions of oils, fats or waxes; Compositions of derivatives thereof · CPC title
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- What does patent US2024101800A1 cover?
- A composition comprising the following components: a) a first ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.855 to 0.885 g/cc; b) a second ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density f…
- Who is the assignee on this patent?
- Dow Global Technologies Llc
- What technology area does this patent fall under?
- Primary CPC classification C08L23/0815. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Mar 28 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).