# US 12,006,427 B2 · Phosphate enhanced, heat resistant ethylene/alpha-olefin interpolymer compositions

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- Number: US 12,006,427 B2
- Document ID: US12006427B2
- Status: Granted
- Kind: B2
- Application number: 17/049,492
- Filed: 2018-04-27
- Published: 2021-08-12
- Granted: 2024-06-11
- Earliest claimed: 2018-04-27
- Assignees: Dow Global Technologies LLC
- Applicants: Dow Global Technologies LLC
- Inventors: Bo Lyu; Yong Chen; Rongjuan Cong; Yabin Sun; Tao Han; Bharat I. Chaudhary
- Web page: https://patentgrep.com/patent/US12006427B2

## CPC

- C08L 23/16: Ethylene-propylene or ethylene-propylene-diene copolymers
- C08K 3/04: Carbon
- C08K 3/22: of metals
- C08K 5/14: Peroxides
- C08K 5/521: Esters of phosphoric acids, e.g. of H3PO4
- G01N 24/087: {Structure determination of a chemical compound, e.g. of a biomolecule such as a protein}
- G01R 33/4625: {Processing of acquired signals, e.g. elimination of phase errors, baseline fitting, chemometric analysis}
- C08K 2003/222: {Magnesia, i.e. magnesium oxide}
- C08K 2003/2224: {Magnesium hydroxide}
- C08K 2003/2227: {of aluminium}
- C08K 2003/2296: {of zinc}
- C08K 2003/265: {Calcium, strontium or barium carbonate}
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)

## Abstract

The present application relates to a composition comprising the following components: A) at least one ethylene/alpha-olefin interpolymer; B) a peroxide; C) at least one filler selected from one or more carbon black samples, MgO, or a combination thereof; and optionally, at least one filler selected from silica, ZnO, CaCO3, Al (OH)3, Mg (OH)2, or a combination thereof; D) a calculated P content from 0.010 wt % to 0.300 wt %, based on the weight of the composition, and wherein the calculated P content is the calculated content the phosphorus element present in one or more phosphate compounds selected from Structure 1 below: O═P (OR1) (OR2) (OR3) (Structure 1), wherein R1, R2 and R3 are each, independently, selected from i) a non-aromatic hydrocarbon or ii) a non-aromatic hydrocarbon comprising at least one heteroatom, excluding P.

## Claims

### Claim 1

A composition comprising the following components:
A) at least one ethylene/α-olefin/diene terpolymer;
B) a peroxide;
C) at least one filler comprising of carbon black and MgO in a weight ratio of carbon black to MgO from 4.0 to 8.0, and at least one filler selected from silica, ZnO, CaCO3, Al(OH)3, Mg(OH)2, or a combination thereof,
D) a calculated P content from 0.010 wt % to 0.300 wt %, based on the weight of the composition, and wherein the calculated P content is the calculated content the phosphorus element present in one or more phosphate compounds selected from Structure 1 below:
O═P(OR1)(OR2)(OR3) (Structure 1),
wherein R1, R2 and R3 are each, independently, selected from i) a non-aromatic hydrocarbon or ii) a non-aromatic hydrocarbon comprising at least one heteroatom, excluding P wherein, for Structure 1, R1, R2 and R3 each, independently, do not contain a double bond.

### Claim 2 (depends on 1)

The composition of claim 1, wherein the Structure 1 is selected from the following structures i through vii and ix through xiv,

### Claim 3 (depends on 1)

A crosslinked composition formed from the composition of claim 1.

### Claim 4 (depends on 3)

The crosslinked composition of claim 3, and wherein the crosslinked composition has a measured P content from 0.010 wt % to 0.300 wt %, based on the weight of the crosslinked composition, and wherein the measured P content is the measured content the phosphorus element present in one or more phosphate compounds selected from Structure 1, as determined by 31P NMR.

### Claim 5 (depends on 1)

An article comprising at least one component formed from the composition of claim 1.