TWO/THREE COMPONENT COMPATIBLE POLYOLEFIN COMPOUNDS

• US 20110082256A1
• Filed: 05/29/2009
• Published: 04/07/2011
• Est. Priority Date: 05/30/2008
• Status: Active Grant

• Current Assignee: Dow Global Technologies LLC (Dow, Inc.)
• Original Assignee: Dow Global Technologies, Inc. (Dow, Inc.)
• Inventors: Batra, Ashish, Martinez, Felipe, Gupta, Pankaj
• Granted Patent: US 8,541,502 B2
• Time in Patent Office: Days
• US Class Current: 525/74
• CPC Class Codes: B32B 2262/02 Synthetic macromolecular fibres
• CPC Class Codes: B32B 2262/101 Glass fibres
• CPC Class Codes: B32B 2264/02 Synthetic macromolecular particles
• CPC Class Codes: B32B 2264/101 Glass
• CPC Class Codes: B32B 2264/102 Oxide or hydroxide
• CPC Class Codes: B32B 2270/00 Resin or rubber layer containing a blend of at least two different polymers
• CPC Class Codes: B32B 2307/306 Resistant to heat
• CPC Class Codes: B32B 2307/3065 Flame resistant or retardant, fire resistant or retardant
• CPC Class Codes: B32B 2307/402 Coloured
• CPC Class Codes: B32B 2307/412 Transparent
• CPC Class Codes: B32B 2307/51 Elastic
• CPC Class Codes: B32B 2307/54 Yield strength; Tensile strength
• CPC Class Codes: B32B 2307/56 Damping, energy absorption
• CPC Class Codes: B32B 2307/704 Crystalline
• CPC Class Codes: B32B 2437/02 Gloves, shoes
• CPC Class Codes: B32B 2605/08 Cars
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/18 characterised by the use of special additives
• CPC Class Codes: B32B 27/20 using fillers, pigments, thixotroping agents
• CPC Class Codes: B32B 27/306 comprising vinyl acetate or vinyl alcohol (co)polymers
• CPC Class Codes: B32B 27/32 : comprising polyolefins comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30
• CPC Class Codes: B32B 7/12 : using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: C08L 23/06 : Polyethene
• CPC Class Codes: C08L 23/0815 : Copolymers of ethene with aliphatic 1-olefins
• CPC Class Codes: C08L 23/0853 : Vinylacetate
• CPC Class Codes: C08L 23/12 : Polypropene
• CPC Class Codes: C08L 23/14 : Copolymers of propene C08L23/16 takes precedence
• CPC Class Codes: C08L 2666/02 : Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/06 : Homopolymers or copolymers of unsaturated hydrocarbons; 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 51/00 : Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds for ABS polymers C08L55/02; Compositions of derivatives of such polymers
• CPC Class Codes: Y10T 428/31855 : Of addition polymer from unsaturated monomers

Abstract

A polyolefin compound including: A) at least one thermoplastic olefin copolymer including the reaction product of olefin 1 and olefin 2, wherein: olefin 1 is a C₂ based olefin and olefin 2 is a C₃ to C₈ α-olefin or olefin 1 is a C₃ based olefin and olefin 2 is a C₄ to C₈ α-olefin; B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B; wherein the thermoplastic olefin copolymer and the functional polymer form a co-continuous phase; wherein: a) an 12 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D 1238; b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240; c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.

Claims

1. A polyolefin compound comprising:

A) at least one thermoplastic olefin copolymer comprising the reaction product of olefin 1 and olefin 2, wherein;

 

olefin 1 is a C₂ based olefin and olefin 2 is a C₃ to C₈ α

-olefin;

or

 

olefin 1 is a C₃ based olefin and olefin 2 is a C₄ to C₈ α

-olefin;

B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B;

wherein the thermoplastic olefin copolymer and the functional polymer form a co-continuous phase;

wherein;

a) an I2 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D1238;

b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240;

c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.

2. The polyolefin compound according to claim 1, the compound further comprising:

C) at least one thermoplastic olefin homopolymer, wherein the olefin homopolymer forms a dispersed phase.

3. The polyolefin compound according to claim 1, the component B comprising an ethylene vinyl acetate copolymer having a vinyl acetate content of not less than 40 weight percent of the ethylene vinyl acetate copolymer.

4. The polyolefin compound according to claim 1, the component B comprising a maleic anhydride, amine, or hydroxyl grafted polypropylene or polyethylene.

5. The polyolefin compound according to claim 1, wherein component B comprises a grafted olefin copolymer comprising an olefin-vinyl acetate-maleic anhydride terpolymer.

11. A shoe composite having at least one shock absorbing layer comprising the polyolefin compound in claim 1, and at least one non-polyolefin substrate layer.

12. A car bumper composite having at least one shock absorbing layer comprising the polyolefin elastomer in claim 1, and at least one non-polyolefin substrate layer.

13. An artificial turf composite having at least one shock absorbing layer comprising the polyolefin elastomer in claim 1, and at least one non-polyolefin substrate layer.

14. The compound of claim 1 in the form of an adhesive.

6. A composite comprising:

at least one shock absorbing layer comprising a polyolefin compound and at least one non-polyolefin substrate layer, the polyolefin compound comprising;

A) at least one thermoplastic olefin copolymer comprising the reaction product of olefin 1 and olefin 2, wherein;

 

olefin 1 is a C₂ based olefin and olefin 2 is a C₃ to C₈ α

-olefin;

or

 

olefin 1 is a C₃ based olefin and olefin 2 is a C₄ to C₈ α

-olefin;

B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B;

wherein the thermoplastic olefin copolymer and the functional polymer form a co-continuous phase;

wherein;

a) an I2 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D1238;

b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240;

c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.

7. The composite according to claim 16, the polyolefin compound further comprising:

C) at least one thermoplastic olefin homopolymer, wherein the olefin homopolymer forms a dispersed phase.

8. The composite according to claim 16, the component B comprising an ethylene vinyl acetate copolymer having a vinyl acetate content of not less than 40 weight percent of the ethylene vinyl acetate copolymer.

9. The composite according to claim 16, the component B comprising a maleic anhydride, amine, or hydroxyl grafted polypropylene or polyethylene.

10. The polyolefin compound according to claim 16, wherein component B comprises a grafted olefin copolymer comprising an olefin-vinyl acetate-maleic anhydride terpolymer.

15. A polyolefin compound comprising:

A) at least one thermoplastic olefin copolymer comprising the reaction product of olefin 1 and olefin 2, wherein;

 

olefin 1 is a C₂ based olefin and olefin 2 is a C₃ to C₈ α

-olefin;

or

 

olefin 1 is a C₃ based olefin and olefin 2 is a C₄ to C₈ α

-olefin;

B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B;

wherein;

a) an I2 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D1238;

b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240;

c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.