# US 5,346,773 A · Adhesive composites and articles containing compatibilized composition comprising a polyamide and a polypropylene

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 5,346,773 A
- Document ID: US5346773A
- Status: Granted
- Kind: A
- Application number: 07/898,092
- Filed: 1992-06-12
- Granted: 1994-09-13
- Earliest claimed: 1989-01-12
- Assignees: Solvay & Cie (Societe Anonyme)
- Inventors: Anthony Simoens
- Web page: https://patentgrep.com/patent/US5346773A

## CPC

- C09J 177/00: Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chain (based on polyhydrazides C09J179/06; based on polyamide-imides C09J179/08); Adhesives based on derivatives of such polymers
- C08L 77/00: Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain (of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08); Compositions of derivatives of such polymers
- Y10T 428/31681: Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
- Y10T 428/31725: Of polyamide
- Y10T 428/31739: Nylon type
- Y10T 428/31746: Polymer of monoethylenically unsaturated hydrocarbon
- Y10T 428/31757: Polymer of monoethylenically unsaturated hydrocarbon
- Y10T 428/31779: Next to cellulosic
- Y10T 428/31783: Paper or wood
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

An adhesive composite including a compatibilized composition comprised of at least one polyamide, and at least one propylene polymer which is at least partially modified by a polar monomer and which has a melt flow index (MFI) measured according to ASTM standard D 1238-86 (230/2.16 conditions) higher than 20 g/10 min., preferably, higher than 50 g/10 min., most preferably, such that 70 g/10 min..ltoreq.MFI of the propylene polymer.ltoreq.80 g/10 min.; and at least one other material selected from the group consisting of an organic synthetic polymer, a cellulosic product, and a metal.

## Claims

### Claim 1

An adhesive composite, comprising:
a. a layer consisting of a compatibilized composition comprised of at least one polyamide, and at least one propylene polymer which is at least partially modified by a polar monomer and which has a melt flow index (MFI) measured according to ASTM standard D 1238-86 (230/2.16 conditions) such that 70 g/10 min..ltoreq.MFI of the propylene polymer.ltoreq.80 g/10 min.; and
b. a layer consisting of at least one other material which is comprised of at least one organic synthetic polymer and which is bonded to the layer consisting of a compatibilized composition.

### Claim 2 (depends on 1)

The adhesive composite according to claim 1, wherein the at least one organic synthetic polymer is a thermoplastic organic synthetic polymer.

### Claim 3 (depends on 1)

The adhesive composite according to claim 1, wherein the at least one organic synthetic polymer is at least one thermoplastic elastomer.

### Claim 4 (depends on 1)

An object manufactured from an adhesive composite according to claim 1.

### Claim 5 (depends on 1)

The adhesive composite according to claim 1, wherein the at least one organic synthetic polymer contains propylene-derived units.

### Claim 6

An adhesive composite, comprising:
a. a layer consisting of a compatibilized composition comprised of at least one polyamide, and at least one propylene polymer which is at least partially modified by a polar monomer and which has a melt flow index (MFI) measured according to ASTM standard D 1238-86 (230/2.16 conditions) higher than 20 g/10 min.; and
b. a layer consisting of at least one other material which is comprised of at least one organic synthetic polymer and which is bonded to the layer consisting of a compatibilized composition.

### Claim 7 (depends on 6)

The adhesive composite according to claim 6, wherein the at least one organic synthetic polymer is a thermoplastic organic synthetic polymer.

### Claim 8 (depends on 6)

The adhesive composite according to claim 6, wherein the at least one organic synthetic polymer is at least one thermoplastic elastomer.

### Claim 9 (depends on 6)

An object manufactured from an adhesive composite according to claim 6.

### Claim 10 (depends on 6)

The adhesive composite according to claim 6, wherein the at least one organic synthetic polymer contains propylene-derived units.

### Claim 11

An adhesive composite, comprising:
a. a layer consisting of a compatibilized composition comprised of at least one polyamide, and at least one propylene polymer which is at least partially modified by a polar monomer and which has a melt flow index (MFI) measured according to ASTM standard D 1238-86 (230/2.16 conditions) higher than 50 g/10 min.; and
b. a layer consisting of at least one other material which is comprised of at least one organic synthetic polymer and which is bonded to the layer consisting of a compatibilized composition.

### Claim 12 (depends on 11)

The adhesive composite according to claim 11, wherein the at least one organic synthetic polymer is a thermoplastic organic synthetic polymer.

### Claim 13 (depends on 11)

The adhesive composite according to claim 11, wherein the at least one organic synthetic polymer is at least one thermoplastic elastomer.

### Claim 14 (depends on 11)

An object manufactured from an adhesive composite according to claim 11.

### Claim 15 (depends on 11)

The adhesive composite according to claim 11, wherein the at least one organic synthetic polymer contains propylene-derived units.
