Crosslinkable blend for the production of a layered article

A crosslinkable polymer composition, comprising a blend of two components (i) and (ii), wherein

• (a) component (i) comprises
• (a1) at least 60 wt % of component (i) of an unsaturated first low density ethylene polymer having a total amount m1 of carbon-carbon double bonds/1000 carbon atoms in the range of 0.2 to 2.0,
• (a2) and less than 10 wt % of component (i) of a crosslinking agent,
• (a3) optionally an unsaturated low molecular weight compound having a molecular weight of less than 1000 g/mole and a total amount m2 of carbon-carbon double bonds/1000 carbon atoms of >0,
• wherein the unsaturated first low density ethylene polymer (a1) has a total amount of n1 of vinyl groups/1000 carbon atoms of at least 0.1 to 2,
• and
• (b) component (ii) in an amount of 5 to 35 wt % based on combined components (i) and (ii) amounts, which comprises
• (b1) a second polymer having a total amount m3 of carbon-carbon double bonds/1000 carbon atoms of at least 0.3 to 2.0 which includes a total amount n2 of vinyl groups/1000 carbon atoms of from about 0.1 to 2.0, wherein the second polymer (b1) is a low density ethylene homopolymer;
• (b2) optionally an unsaturated low molecular weight compound having a molecular weight of less than 1000 g/mole and a total amount m4 of carbon-carbon double bonds/1000 carbon atoms of >0,
• wherein m1, m2, m3 and m4 satisfy the following relationship:
• 2.0≧(m1+m2)−(m3+m4)≧0.2,
• m2 and/or m4 being 0 if the unsaturated low molecular weight compound(s) (a3) and/or (b2) is/are not present,
• the component (i) is different from the component (ii);
• and
• wherein the composition has a hot set elongation of about 30 to 85% and the permanent deformation is about −6 to −1.3%.

A layered article comprising a blend of two components (i) and (ii) wherein:

• (a) component (i) comprises
• (a1) at least 60 wt % of component (i) of an unsaturated first low density ethylene polymer having a total amount m1 of carbon-carbon double bonds/1000 carbon atoms of 0.2 to 2.0,
• (a2) and less than 10 wt % of component (i) of a crosslinking agent,
• (a3) optionally an unsaturated low molecular weight compound having a molecular weight of less than 1000 g/mole and a total amount m2 of carbon-carbon double bonds/1000 carbon atoms in the range of >0,
• wherein the unsaturated first low density ethylene polymer (a1) has a total amount n1 of vinyl groups/1000 carbon atoms of at least 0.1 to 2,
• (b) component (ii) in an amount of 5 to 35 wt % based on combined components (i) and (ii) amounts which comprises
• (b1) a second polymer having a total amount m3 of carbon-carbon double bonds/1000 carbon atoms of at least 0.3 to 2.0 which includes a total amount n2 of vinyl groups/1000 carbon atoms of from about 0.1 to 2.0, wherein the second polymer (b1) is a low density ethylene homopolymer;
• (b2) optionally an unsaturated low molecular weight compound having a molecular weight of less than 1000 g/mole and a total amount m4 of carbon-carbon double bonds/1000 carbon atoms of >0
• wherein m1, m2, m3, and m4 satisfy the following relationship:
• 2.0≧(m1+m2)−(m3+m4)≧0.2,
• m2 and/or m4 being 0 if the unsaturated low molecular weight compound(s) (a3) and/or (b2) is/are not present,
• the component (i) is different the from component (ii);
• and
• wherein the blend has a hot set elongation of about 30 to 85% and the permanent deformation is about −6 to −1.3%.