Protective films for textured substrates

1. A film comprising a surface contact layer and a stiffening layer, wherein the surface contact layer consists essentially of a mixture selected from the group consisting of:

a) a mixture of a tackified quadblock styrene block copolymer elastomer and a triblock styrene block copolymer containing up to 30 wt% of a diblock styrene copolymer; and

b) a mixture of a tackified quadblock styrene block copolymer elastomer, a tackified triblock styrene block copolymer and a triblock styrene block copolymer containing up to 30 wt% of a diblock styrene copolymer.

2. The film of claim 1 , wherein the surface contact layer consists essentially of

a) 5 to 60 wt% of a tackified quadblock styrene block copolymer elastomer selected from styrene-isoprene-styrene-isoprene and styrene-ethylene/propylene-styrene-ethylene/propylene; and

b) 40 to 95 wt% of a

i) styrene-ethylene/butadiene-styrene triblock copolymer, containing up to 30 wt% of styrene-ethylene/butadiene diblock copolymer, or

ii) styrene-ethylene/propylene-styrene triblock copolymer containing up to 30 wt% of a styrene-ethylene/propylene diblock copolymer.

3. The film of claim 1 , wherein the surface contact layer consists essentially of:

a) 5 to 60 wt% of

i) a tackified quadblock styrene block copolymer elastomer selected from styrene-isoprene-styrene-isoprene and styrene-ethylene/propylene-styrene-ethylene/propylene compounded and

ii) a tackified triblock styrene copolymer selected from styrene-ethylene/butadiene-styrene and styrene-ethylene/propylene-styrene; and

b) 40 to 95 wt% of a

i) styrene-ethylene/butadiene-styrene triblock copolymer, containing up to 30 wt% of styrene-ethylene/butadiene diblock copolymer, or

ii) styrene-ethylene/propylene-styrene triblock copolymer containing up to 30 wt% of a styrene-ethylene/propylene diblock copolymer.

4. The film of claim 1 , further comprising a core layer interposed between the surface contact layer and the stiffening layer.

5. The film of claim 4 , wherein the core layer is selected from low density polyethylene, high density polyethylene, medium density polyethylene, cyclic olefin copolymer, and mixtures thereof.

6. The film of claim 4 , wherein the stiffening layer comprises 15-20% of the total thickness of the film.

7. The film of claim 4 , wherein the surface contact layer consists of polymers having a Tg of less than 0° C.

8. The film of claim 4 , wherein the stiffening layer has a density of 0.94 to 0.98 g/cm 2 and wherein the core layer has a density of 0.94 to 0.99 g/cm 2 and wherein the surface contact layer consists of polymers having a density of 0.90 to 0.93 g/cm 2 .

9. The film of claim 1 , wherein the surface contact layer comprises 15-30% of the total thickness of the film.

10. A film comprising a surface contact layer and a stiffening layer, wherein the surface contact layer consists essentially of:

a. a mixture of a tackified quadblock styrene block copolymer elastomer and a triblock styrene block copolymer containing up to 30 wt% of a diblock styrene copolymer;

b. a mixture of a tackified quadblock styrene block copolymer elastomer, a tackified triblock styrene block copolymer and a triblock styrene block copolymer containing up to 30 wt% of a diblock styrene copolymer;

c. a mixture of a tackified triblock styrene block copolymer and a triblock styrene block copolymer containing up to 30 wt% of a diblock styrene copolymer; and

d. a triblock styrene block copolymer containing up to 30 wt% of a styrene diblock copolymer and a low density polyethylene polymer.