Compatibilized compositions comprising a polyamide and polypropylene and adhesive composites containing these compositions

• US 5,403,667 A
• Filed: 06/13/1994
• Issued: 04/04/1995
• Est. Priority Date: 01/12/1989
• Status: Expired due to Fees

• Current Assignee: Solvay & CIE
• Original Assignee: Solvay & CIE
• Inventors: Simoens, Anthony
• Primary Examiner(s): WOODWARD, ANA LUCRECIA
• Application Number:
  US08/258,833
• Time in Patent Office: 295 Days
• Field of Search: 428/479.3, 428/479.6
• US Class Current: 428/479.6
• CPC Class Codes: C08L 2666/04 Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
• CPC Class Codes: C08L 2666/24 Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof
• CPC Class Codes: 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
• CPC Class Codes: 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
• CPC Class Codes: Y10T 428/31681 Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
• CPC Class Codes: Y10T 428/31725 Of polyamide
• CPC Class Codes: Y10T 428/31739 Nylon type
• CPC Class Codes: Y10T 428/31746 Polymer of monoethylenically unsaturated hydrocarbon
• CPC Class Codes: Y10T 428/31757 Polymer of monoethylenically unsaturated hydrocarbon
• CPC Class Codes: Y10T 428/31779 Next to cellulosic
• CPC Class Codes: Y10T 428/31783 Paper or wood

Abstract

An adhesive composite including a layer consisting of a compatibilized composition including 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.≦MFI of the propylene polymer ≦80 g/10 min.; and a layer consisting of at least one other material which is comprised of at least one cellulosic product and which is bonded to the layer consisting of a compatibilized composition.

Claims

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.≦

MFI of the propylene polymer≦

80 g/10 min.; and

b. a layer consisting of at least one other material which is comprised of at least one cellulosic product and which is bonded to the layer consisting of a compatibilized composition.

2. The adhesive composite according to claim 1, wherein the at least one other material is selected from the group consisting of paper and cardboard.

3. The adhesive composite according to claim 1, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 5 to 95 to 95 to 5.

4. The adhesive composite according to claim 1, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 20 to 80 to 80 to 20.

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

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 cellulosic product and which is bonded to the layer consisting of a compatibilized composition.

7. The adhesive composite according to claim 6, wherein the at least one other material is selected from the group consisting of paper and cardboard.

8. The adhesive composite according to claim 6, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 5 to 95 to 95 to 5.

9. The adhesive composite according to claim 6, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 20 to 80 to 80 to 20.

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

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; and

b. a layer consisting of at least one other material which is comprised of at least one cellulosic product and which is bonded to the layer consisting of a compatibilized composition.

12. The adhesive composite according to claim 11, wherein the at least one other material is selected from the group consisting of paper and cardboard.

13. The adhesive composite according to claim 11, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 5 to 95 to 95 to 5.

14. The adhesive composite according to claim 11, wherein the adhesive composite contains proportions by weight of the compatibilized composition and the at least one other material which range from 20 to 80 to 80 to 20.

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