Methods for improving production in gas phase polymerization
US-12152095-B2 · Nov 26, 2024 · US
Ultra-high molecular weight polyethylene
US8975355B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8975355-B2 |
| Application number | US-201113521720-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 24, 2011 |
| Priority date | Jan 22, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A novel UHMW polyethylene material, which is displaying excellent abrasion resistance amongst other properties, is devised.
First claim
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The invention claimed is: 1. A polyethylene having an HLMI (at 21.6 kg/190° C.) of <1 g/10 min, a density of from 0.925 to 0.940 g/cm 3 , a Charpy impact resistance according to ISO 11542-2:1998, of >150 kJ/m 2 , an abrasion resistance of <1.1 index units according to ISO 15527:2007 with Al 2 O 3 being used as testing abrasive, wherein the polyethylene comprises both Hf and Cr as a catalyst residue. 2. The polyethylene of claim 1 , comprising both Hf and Cr as…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US8975355B2 cover?
- A novel UHMW polyethylene material, which is displaying excellent abrasion resistance amongst other properties, is devised.
- Who is the assignee on this patent?
- Lukesova Lenka, Kölling Lars, Mihan Shahram, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C08F10/00. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 10 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).