# US 2013/0252005 A1 · Films with improved coefficient of friction

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- Number: US 2013/0252005 A1
- Document ID: US20130252005A1
- Status: Published application
- Kind: A1
- Application number: 13/991,679
- Filed: 2011-12-08
- Published: 2013-09-26
- Earliest claimed: 2010-12-10
- Assignees: Dow Global Technologies LLC
- Inventors: Nilesh R. Savargaonkar; Hoang T. Pham
- Web page: https://patentgrep.com/patent/US20130252005A1

## CPC

- B32B 27/08: of synthetic resin
- B32B 27/18: characterised by the use of special additives
- B32B 27/285: {comprising polyethers}
- B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)}
- B32B 27/34: comprising polyamides
- B32B 27/36: comprising polyesters
- C08L 23/04: Homopolymers or copolymers of ethene
- C08L 71/02: Polyalkylene oxides
- B32B 2270/00: Resin or rubber layer containing a blend of at least two different polymers
- B32B 2307/3065: Flame resistant or retardant, fire resistant or retardant
- B32B 2307/4026: within the layer by addition of a colorant, e.g. pigments, dyes
- B32B 2307/746: Slipping, anti-blocking, low friction
- C08G 2650/58: Ethylene oxide or propylene oxide copolymers, e.g. pluronics
- Y10T 428/31757: Polymer of monoethylenically unsaturated hydrocarbon
- Y10T 428/31913: Monoolefin polymer
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The invention provides a film comprising at least two layers, Layer A and Layer B, and wherein Layer A is formed from a Composition A comprising the following: i) an olefin-based polymer, ii) at least one polyalkylene-oxide selected from the group consisting of the following: a) EOxPOyEOz, where x is from 1 to 50; y is from 1 to 100; and z is from 1 to 50; b) POxEOy. POz, where x is from 1 to 100; y is from 1 to 50; and z is from 1 to 100; c) EOxPOy, where x is from 1 to 50; and y is from 1 to 100; and d) combinations thereof; and wherein the Layer B is formed from Composition B comprising an olefin-based polymer. The invention also provides a laminated film comprising a film and a substrate, and wherein the film comprises at least one Layer A formed from a Composition A and wherein the substrate comprises a polyester, a polyamide, an olefin-based polymer, or a combination thereof.

## Claims

### Claim 1

A film comprising at least two layers, Layer A and Layer B, and wherein Layer A is formed from a Composition A comprising the following:
i) an olefin-based polymer,
ii) at least one polyalkylene-oxide selected from the group consisting of the following:
a) EOxPOyEOz, where x is from 1 to 50; y is from 1 to 100; and z is from 1 to 50;
b) POxEOyPOz, where x is from 1 to 100; y is from 1 to 50; and z is from 1 to 100;
c) EOxPOy, where x is from 1 to 50; and y is from 1 to 100; and
d) combinations thereof; and
wherein the Layer B is formed from Composition B comprising an olefin-based polymer.

### Claim 2 (depends on 1)

The film of claim 1, wherein Composition A further comprises an amide.

### Claim 3 (depends on 2)

The film of claim 2, wherein the amide is selected from the group consisting of the following:
(1) Primary Amides: R1—CO—NH2, where R1═CxHy, where x=8-30 and y=15-61;
(2) Secondary Amides: R1—CO—NH—R2, where R1 and R2═CxHy, where x=8-30 and y=15-61;
(3) Ethylene Bis-Amides: R1—CO—NH—CH2—CH2—R2 where R1 and R2═CxHy, where x=8-30 and y=15-61; and
(4) combinations thereof.

### Claim 4 (depends on 1)

The film of claim 1, wherein the polyalkylene-oxide of Component ii) is selected from the group consisting of the following:
a) EOxPOyEOz, where x is from 1 to 50; y is from 1 to 100; and z is from 1 to 50;
b) POxEOyPOz, where x is from 1 to 100; y is from 1 to 50; and z is from 1 to 100; and
c) combinations thereof.

### Claim 5 (depends on 1)

The film of claim 1, wherein the polyalkylene-oxide of Component ii) has a molar ratio of “PO groups” to “EO groups” from 1 to 15.

### Claim 6 (depends on 1)

The film of claim 1, wherein the olefin-based polymer of Component i) is an ethylene-based polymer.

### Claim 7 (depends on 6)

The film of claim 6, wherein the ethylene-based polymer has a density from 0.85 g/cc to 0.94 g/cc.

### Claim 8 (depends on 6)

The film of claim 6, wherein the ethylene-based polymer has a melt index (I2) from 0.05 to 50 g/10 min.

### Claim 9 (depends on 6)

The film of claim 6, wherein the ethylene-based polymer is a heterogeneously branched ethylene/α-olefin interpolymer.

### Claim 10 (depends on 6)

The film of claim 6, wherein the olefin-based polymer of Composition B is an ethylene-based polymer.

### Claim 11 (depends on 10)

The film of claim 10, wherein the ethylene-based polymer has a density from 0.85 g/cc to 0.94 g/cc.

### Claim 12 (depends on 10)

The film of claim 10, wherein the ethylene-based polymer has a melt index (I2) from 0.05 to 50 g/10 min.

### Claim 13 (depends on 1)

The film of claim 1, wherein Composition B does not comprise at least one polyalkylene-oxide selected from the group consisting of the following:
a) EOxPOyEOz, where x is from 1 to 50; y is from 1 to 100; and z is from 1 to 50;
b) POxEOyPOz, where x is from 1 to 100; y is from 1 to 50; and z is from 1 to 100;
c) EOxPOy, where x is from 1 to 50; and y is from 1 to 100; and
d) combinations thereof; and

### Claim 14 (depends on 1)

The film of claim 1, wherein the polyalkylene-oxide of Component ii) is present in an amount from 1 ppm to 5000 ppm, based on the weight of Composition A.

### Claim 15 (depends on 1)

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