Silane-containing ethylene interpolymer formulation including films and electronic device module comprising same
US-9362436-B2 · Jun 7, 2016 · US
Ethylene/alpha-olefin interpolymers with improved pellet flowability
US9688795B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9688795-B2 |
| Application number | US-201414889271-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 9, 2014 |
| Priority date | Jul 9, 2013 |
| Publication date | Jun 27, 2017 |
| Grant date | Jun 27, 2017 |
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Abstract
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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.
First claim
Opening claim text (preview).
The invention claimed is: 1. A composition comprising an ethylene/alpha-olefin interpolymer, wherein the ethylene/alpha-olefin interpolymer comprises the following properties: a) a high comonomer content(HCC) value less than, or equal to, 6.0%; and b) an inorganic content of “Al, Na and Mg” less than, or equal to, 40.0 ppm, and a Ca content less than 7.0 ppm, each based on the weight of the interpolymer. 2. A composition comprising an ethylene/alpha-olefin interpolymer, wherein the ethylene/alpha-olefin interpolymer comprises the following properties: a) a high comonomer content (HCC) value less than, or equal to, 6.0%; and b) an inorganic content of “Al, Ca, Cl, Mg, Na, S, P, Ti, and Zn” less than, or equal to, 65.0 ppm, based on the weight of the interpolymer. 3. The composition of claim 1 , wherein the ethylene/alpha-olefin interpolymer has an inorganic content of Cr, Mo, Ni and Pd, less than, or equal to, 10.0 ppm, based on the weight of the interpolymer. 4. The composition of claim 1 , wherein the ethylene/alpha-olefin interpolymer has a density less than, or equal to, 0.890 g/cc. 5. The composition of claim 1 , wherein the ethylene/alpha-olefin interpolymer has a Yellowness Index (YI) less than or equal to, 2.00. 6. The composition of claim 1 , wherein the ethylene/alpha-olefin interpolymer has a pellet flowability greater than, or equal to, 125.0 g/sec. 7. The composition of claim 1 , wherein the ethylene/alpha-olefin interpolymer has a melt viscosity from 2,000 cP to 50,000 cP at 350° F. (177° C.). 8. The composition of claim 1 , wherein the alpha-olefin is a C3-C20 alpha-olefin. 9. An article comprising at least one component formed from the composition of claim 1 .
Assignees
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Classifications
in combination with an organoaluminium compound · CPC title
in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+ · CPC title
Recycling of unreacted starting or intermediate materials · CPC title
- C08F210/16Primary
Copolymers of ethene with alpha-alkenes, e.g. EP rubbers · CPC title
Polymerisation in solution (C08F2/32 takes precedence) · CPC title
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Frequently asked questions
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- What does patent US9688795B2 cover?
- 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.
- Who is the assignee on this patent?
- Dow Global Technologies Llc
- What technology area does this patent fall under?
- Primary CPC classification C08F210/16. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 27 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).