Polyethylene/low molecular weight hydrogenated aliphatic resin blends

A method of preparing a moisture vapor resistant composition, comprising:

• blending high density polyethylene with a low molecular weight hydrogenated aliphatic resin, wherein the blend comprises less than 3 wt % of the low molecular weight hydrogenated aliphatic resin and between about 99.5 wt % and 95 wt % high density polyethylene, wherein the low molecular weight resin has a weight-average molecular weight of less than about 2000 g/mol.

A packaging article, comprising:

• at least one layer comprising less than 3 wt % of a low molecular weight hydrogenated aliphatic resin and between about 99.5 wt % and 95 wt % high density polyethylene, wherein the low molecular weight resin has a weight-average molecular weight of less than about 2000 g/mol.

A moisture resistant composition, comprising:

• between about 0.5 and 25 wt % of a low molecular weight hydrogenated aliphatic resin and between about 99.5 wt % and 75 wt % of a branched or linear low density polyethylene, wherein the low molecular weight resin has a molecular weight of less than about and the branched or linear low density polyethylene has a density of less than about 0.940 g/cm3.

A moisture resistant composition, comprising:

• between about 0.5 and 25 wt % of a low molecular weight hydrogenated aliphatic resin,
• between about 8 and 30 wt % of a low molecular weight high density polyethylene, and
• between about 45 and 92.5 wt % of a second high density polyethylene, wherein the low molecular weight resin has a weight-average molecular weight of less than about 2000 g/mol, and the low molecular weight high density polyethylene has a zero-shear viscosity that is less than or equal to 0.9 times the zero-shear viscosity of the second high density polyethylene.

A moisture resistant composition, comprising:

• between about 0.5 and 4 wt % of a low molecular weight hydrogenated aliphatic resin, between about 1 and 30 wt % of a low molecular weight high density polyethylene, and between about 66 and 98.5 wt % of a second high density polyethylene,
• wherein the low molecular weight resin has a weight-average molecular weight of less than about 2000 g/mol, and the low molecular weight high density polyethylene has a zero-shear viscosity that is less than or equal to 0.9 times the zero-shear viscosity of the second high density polyethylene.