Multilayer clear over color polyolefin sheets and layered backing structure

A coextruded formed product comprising:

• a clear polyolefin layer;
• a colored polyolefin layer;
• a polyolefin backing layer;
• the colored and backing layers are coextruded and are permanently bonded at a layer interface;
• the interface is exclusive of an adhesive layer;
• the formed product has a DOI of 70 or greater;
• and
• the formed product passes a gravelometer impact test per the GM9508P standard, with a 10 pt load, at a −30° C. temperature, and at an angle of 30 degrees.

A multilayer structure comprising:

• a polyolefin layer;
• a thermoplastic polyolefin backing layer;
• the polyolefin and backing layers are coextruded and are permanently bonded at a layer interface;
• the interface is exclusive of an adhesive layer;
• the structure has a DOI of 70 or greater;
• and
• the structure passes a gravelometer impact test per the GM9508P standard, with a 10 pt load, at a −30° C. temperature, and at an angle of 30 degrees.

A formed product comprising:

• a polyolefin layer;
• a thermoplastic polyolefin backing layer;
• the polyolefin and backing layers are coextruded and are permanently bonded at a layer interface;
• the interface is exclusive of an adhesive layer;
• the formed product has a DOI of 70 or greater;
• and
• the formed product passes a gravelometer impact test per the GM9508P standard, with a 10 pt load, at a −30° C. temperature, and at an angle of 30 degrees.

A method of making a formed product comprising:

• coextruding a clear polyolefin layer, a colored polyolefin layer, or both a clear polyolefin layer and a colored polyolefin layer, together with a polyolefin backing layer to form a multi-layer structure;
• wherein each coextruded layer is permanently bonded at a layer interface, and the interface is exclusive of an adhesive layer;
• thermoforming the multi-layer structure to make a formed product;
• wherein the formed product has the characteristics of at least one of:
• (A) a DOI of 70 or greater;
• and the product passes a gravelometer impact test per the GM9508P standard, with a 10 pt load, at a −30° C. temperature, and at an angle of 30 degrees;
• and
• (B) the polyolefin of a top layer selected from the clear and the color layer, has a Rockwell hardness of 80R or greater;
• and the structure has a gloss of 75 or greater at a 60° angle and a gloss of 60 or greater at a 20° angle.

A method of making a multilayer structure comprising:

• coextruding a clear polyolefin layer, a colored polyolefin layer, or both a clear polyolefin layer and colored polyolefin layer, together with a polyolefin backing layer, to form a multi-layer structure;
• wherein each coextruded layer is permanently bonded at a layer interface, and the interface is exclusive of an adhesive layer;
• wherein the multilayer structure has the characteristics of at least one of:
• (A) a DOI of 70 or greater;
• and the multilayer structure passes a gravelometer impact test per the GM9508P standard, with a 10 pt load, at a −30° C. temperature, and at an angle of 30 degrees;
• and
• (B) the polyolefin of a top layer selected from the clear and the color layer, has a Rockwell hardness of 80R or greater;
• and the structure has a gloss of 75 or greater at a 60° angle and a gloss of 60 or greater at a 20° angle.

A multilayer structure comprising:

• a clear polyolefin layer, wherein the polyolefin is a polypropylene/ethylene copolymer or a metallocene-based homopolymer or copolymer of propylene;
• a colored polyolefin layer wherein the polyolefin is a polypropylene/ethylene copolymer, a metallocene-based homopolymer or copolymer of propylene;
• a polyolefin backing layer, wherein the polyolefin is a polypropylene/ethylene copolymer or a metallocene-based homopolymer or copolymer of propylene and an elastomeric material;
• the colored and backing layers are coextruded and are permanently bonded at a layer interface;
• and
• the interface is exclusive of an adhesive layer;
• wherein the polyolefin of the clear layer has a Rockwell hardness of 80R or greater;
• wherein the structure has a gloss of 75 or greater at a 60° angle and a gloss of 60 or greater at a 20° angle.

A formed product comprising:

• a clear polyolefin layer, wherein the polyolefin is a polypropylene/ethylene copolymer or a metallocene-based homopolymer or copolymer of propylene;
• a colored polyolefin layer wherein the polyolefin is a polypropylene/ethylene copolymer, a metallocene-based homopolymer or copolymer of propylene;
• a polyolefin backing layer, wherein the polyolefin is a polypropylene/ethylene copolymer or a metallocene-based homopolymer or copolymer of propylene and an elastomeric material;
• the colored and backing layers are coextruded and are permanently bonded at a layer interface;
• and
• the interface is exclusive of an adhesive layer;
• wherein the polyolefin of the clear layer has a Rockwell hardness of 80R or greater;
• wherein the formed product has a gloss of 75 or greater at a 60° angle and a gloss of 60 or greater at a 20° angle.