Polyolefin adhesive compositions and articles made therefrom

An adhesive comprising a polymer comprising at least 50 mol % of one or more C3 to C40 olefins where the polymers has:

• a) a Dot T-Peel of 1 Newton or more on Kraft paper;
• b) an Mw of 10,000 to 100,000;
• c) a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or
• a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000;
• d) an amorphous content of at least 50%;
• e) a crystallinity of at least 5%,
• f) a Tg of −10° C. or less;
• g) a melt viscosity between 2000 and 6000 mPa·sec at 190° C.;
• h) a molecular weight distribution (Mw/Mn) of at least 5;
• and
• i) a bi- or multi-modal SEC graph of the polymer.

An adhesive comprising a polymer comprising at least 50 mol % of one or more C3 to C40 olefins where the polymers has:

• a) a Dot T-Peel of 1 Newton or more on Kraft paper;
• b) an Mw of 10,000 to 100,000;
• c) a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or
• a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000;
• d) an amorphous content of at least 50%;
• e) a crystallinity of at least 50%,
• wherein the polymer comprises less than 3.0 mole % ethylene.

An adhesive comprising a polymer comprising at least 50 mol % of one or more C3 to C40 olefins where the polymers has:

• a) a Dot T-Peel of 1 Newton or more on Kraft paper;
• b) an Mw of 10,000 to 100,000;
• c) a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or
• a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000;
• d) an amorphous content of at least 50%;
• e) a crystallinity of at least 50%,
• wherein the polymer comprises less than 3.0 mole % ethylene.