# US 10,371,292 B2 · Hose, abrasion resistant composition, and process of making a hose

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- Number: US 10,371,292 B2
- Document ID: US10371292B2
- Status: Granted
- Kind: B2
- Application number: 15/322,816
- Filed: 2015-07-01
- Published: 2017-05-11
- Granted: 2019-08-06
- Earliest claimed: 2014-07-02
- Assignees: Cooper-Standard Automotive Inc.
- Applicants: Cooper-Standard Automotive Inc.
- Inventors: Krishnamachari Gopalan; Robert J. Lenhart; Gending Ji; Philippe Moreaux
- Web page: https://patentgrep.com/patent/US10371292B2

## CPC

- F16L 11/04: made of rubber or flexible plastics
- B32B 1/08: Tubular products
- B32B 5/02: characterised by structural features of a {fibrous or filamentary} layer {(layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02)}
- B32B 5/022: {Non-woven fabric}
- B32B 5/026: {Knitted fabric}
- B32B 25/02: with fibres or particles {being present as additives in the layer}
- B32B 25/042: {of natural rubber or synthetic rubber}
- B32B 25/08: of synthetic resin
- B32B 25/10: next to a fibrous or filamentary layer
- B32B 25/14: comprising {synthetic rubber copolymers (B32B25/18 and B32B25/20 take precedence)}
- B32B 27/08: of synthetic resin
- B32B 27/12: next to a fibrous or filamentary layer
- B32B 27/18: characterised by the use of special additives
- B32B 27/20: using fillers, pigments, thixotroping agents
- B32B 27/32: comprising polyolefins {(comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30)}
- B32B 27/327: {comprising polyolefins obtained by a metallocene or single-site catalyst}
- F16L 11/081: {comprising one or more layers of a helically wound cord or wire (in combination with braided layers F16L11/088)}
- F16L 11/10: with reinforcements not embedded in the wall (F16L11/11 takes precedence)
- B32B 2262/0261: Polyamide fibres
- B32B 2262/0269: Aromatic polyamide fibres
- B32B 2262/0276: Polyester fibres
- B32B 2262/101: Glass fibres
- B32B 2262/106: Carbon fibres, e.g. graphite fibres
- B32B 2264/0257: Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
- B32B 2264/0264: Polyamide particles
- B32B 2270/00: Resin or rubber layer containing a blend of at least two different polymers
- B32B 2307/306: Resistant to heat
- B32B 2307/554: Wear resistance
- B32B 2597/00: Tubular articles, e.g. hoses, pipes
- B32B 2605/00: Vehicles
- B32B 2605/08: Cars
- F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

## Abstract

A hose made from a composition including one or more of EPR, EPDM, a silane-grafted polyolefin and a silicone-modified polyolefin; an one or more of fibers, polyamide powder, and ultra high molecular weight polyethylene powder. A hose comprising an outermost layer formed from a composition comprising: (A) at least one of EPR, EPDM, a silane-grafted polyolefin and a siliconemodified polyolefin; and (B) at least one of an ultra high molecular weight polyethylene powder, a polyamide powder, and fibers.

## Claims

### Claim 1

A hose comprising an outermost layer formed from a composition comprising:
(A) at least one of a silane-grafted ethylene-propylene-diene terpolymer polyolefin and a silicone-modified ethylene-propylene-diene terpolymer; and
(B) an ultra high molecular weight polyethylene powder.

### Claim 2 (depends on 1)

The hose of claim 1, wherein component (A) is a silane-grafted ethylene-propylene-diene terpolymer.

### Claim 3 (depends on 1)

The hose of claim 1, wherein component (A) is a silicone-modified ethylene-propylene-diene terpolymer.

### Claim 4 (depends on 1)

The hose of claim 1, further comprising a tube and a reinforcement layer circumferentially surrounding the tube; wherein the outermost layer is a cover layer circumferentially surrounding the reinforcement layer.

### Claim 5 (depends on 4)

The hose of claim 4, wherein the hose consists of the tube, the reinforcement layer, and the cover layer.

### Claim 6 (depends on 5)

The hose of claim 5, wherein the cover layer has a thickness of from about 0.5 mm to about 6.0 mm.

### Claim 7 (depends on 1)

The hose of claim 1, further comprising a tube, a reinforcement layer circumferentially surrounding the tube, and a cover layer circumferentially surrounding the reinforcement layer; wherein the outermost layer is an overcoat layer circumferentially surrounding the cover layer.

### Claim 8 (depends on 7)

The hose of claim 7, wherein the hose consists of the tube, the reinforcement layer, the cover layer, and the overcoat layer.

### Claim 9 (depends on 7)

The hose of claim 7, wherein the overcoat layer has a thickness of from about 0.2 mm to about 2.0 mm.

### Claim 10 (depends on 7)

The hose of claim 7, wherein the overcoat layer circumferentially surrounds the entirety of the cover layer.

### Claim 11 (depends on 1)

The hose of claim 1, wherein the composition comprises from about 5 to about 95 phr of component (A) and from about 5 to about 60 phr of component (B).

### Claim 12 (depends on 1)

The hose of claim 1, wherein component (A) has an average particle size in the range of from about 10 μm to about 100 μm.

### Claim 13 (depends on 1)

The hose of claim 1, further comprising a textile reinforcement layer.

### Claim 14 (depends on 13)

The hose of claim 13, wherein the textile reinforcement layer is a yarn.

### Claim 15 (depends on 12)

The hose of claim 12, wherein the yarn comprises a polyamide, a polyester, or a polyaramid.

### Claim 16

An automotive heating and cooling system comprising: a hose; and a rigid component in contact with the hose;
wherein the hose comprises an outermost layer in contact with the rigid component;
and
wherein the outermost layer is formed from a composition that comprises (A) at least one of a silane-grafted ethylene-propylene-diene terpolymer and a silicone-modified ethylene-propylene-diene terpolymer and (B) an ultra high molecular weight polyethylene powder.

### Claim 17

An automotive transmission system comprising: a hose; and
a rigid component in contact with the hose;
wherein the hose comprises an outermost layer in contact with the rigid component;
and
wherein the outermost layer is formed from a composition that comprises (A) at least one of a silane-grafted ethylene-propylene-diene terpolymer and a silicone-modified ethylene-propylene-diene terpolymer and (B) at least one of treated short aramid fibers, a polyamide powder, and an ultra high molecular weight polyethylene powder.

### Claim 18 (depends on 1)

The hose of claim 1, wherein the fibers are selected from the group consisting of aramid fibers, nylon fibers, glass fibers, and carbon fibers.

### Claim 19 (depends on 1)

The hose of claim 1, wherein, the composition further comprises:
(C) at least one heat-resistant polymer.

### Claim 20 (depends on 1)

The hose of claim 1, wherein component (A) comprises a silane-grafted polyolefin and a silicone-modified polyolefin.

### Claim 21

A hose comprising an outermost layer formed from a composition comprising:
(A) at least one of EPR, EPDM, a silane-grafted polyolefin and a silicone-modified polyolefin; and
(B) at least one of an ultra high molecular weight polyethylene powder, a polyamide powder, and fibers;
wherein the composition comprises from about 5 to about 95 phr of component (A) and from about 5 to about 60 phr of component (B).

### Claim 22

A hose comprising an outermost layer formed from a composition comprising:
(A) at least one of a silane-grafted polyolefin and a silicone-modified polyolefin;
(B) at least one of an ultra high molecular weight polyethylene powder, a polyamide powder, and fibers; and
(C) at least one heat-resistant polymer selected from the group consisting of EPM and EPD.

### Claim 23

A hose comprising an outermost layer formed from a composition comprising:
(A) a silane-grafted polyolefin and a silicone-modified polyolefin; and
(B) at least one of an ultra high molecular weight polyethylene powder, a polyamide powder, and fibers.