Partially opaque-partially clear laminates and methods thereof
The present relates a laminate comprising: an outer polyethylene (PE) layer; a first adhesive layer; a substrate layer with one side selectively vacuum metalized or selectively reverse printed and said printed or metalized side is toward first adhesive layer; a second adhesive layer; an ethylene vinyl alcohol (EVOH) polymer barrier film layer; an linear density polyethylene (LDPE) extrusion layer; and an inner polyethylene (PE) layer. The present disclosure further relates to tubes made of the partially opaque and partially clear laminate. The present disclosure also relates to a process of manufacturing of tubes using the said laminate.
1. A laminate comprising:
an outer polyethylene (PE) layer, wherein the outer polyethylene layer is a three layer film comprising: 48.0%-48.5% metallocene linear low density polyethylene (LLDPE); 48.0%-48.5% low density polyethylene (LDPE); and 3.0%-4.0% of a clarifier;
a first adhesive layer;
a substrate layer with one side selectively vacuum metalized or selectively reverse printed and said printed or metalized side faces toward the first adhesive layer;
a second adhesive layer;
an ethylene vinyl alcohol (EVOH) polymer barrier film layer;
a low density polyethylene (LDPE) extrusion layer; and
an inner polyethylene (PE) layer.
2. The laminate as claimed in claim 1 , wherein the substrate layer is selected from polyethylene terephthalate polymer (PET), nylon, biaxially oriented film (BOPP) or Polyethylene (PE).
3. The laminate as claimed in claim 1 , wherein the substrate layer is a polyethylene terephthalate polymer (PET) layer.
4. The laminate as claimed in claim 1 , wherein said substrate layer is selectively printed or metalized to obtain a partially opaque and partially clear laminate.
5. The laminate as claimed in claim 1 , wherein the ethylene vinyl alcohol (EVOH) polymer barrier film layer is a five or seven layered film layer.
6. The laminate as claimed in claim 5 , wherein the five layered film layer comprises:
a polyethylene layer of linear low density polyethylene (LLDPE) and low density polyethylene (LDPE) having a thickness of 20μ;
a first tie layer having a thickness of 12μ;
an ethylene vinyl alcohol (EVOH) polymer layer having a thickness of 15μ;
a second tie layer having a thickness of 12μ; and
a polyethylene layer of linear low density polyethylene (LLDPE) and low density polyethylene (LDPE) having a thickness of 20μ.
7. The laminate as claimed in claim 5 , wherein the seven layered film layer comprises:
a polyethylene layer of linear low density polyethylene (LLDPE) and low density polyethylene (LDPE) having a thickness of 20μ;
a first tie layer having a thickness of 12μ;
a first ethylene vinyl alcohol (EVOH) polymer layer having a thickness of 5μ;
a nylon 6 layer having a thickness of 5μ;
a second ethylene vinyl alcohol (EVOH) polymer layer having a thickness of 5μ;
a second tie layer having a thickness of 12μ; and
a polyethylene layer of linear low density polyethylene (LLDPE) and low density polyethylene (LDPE) having a thickness of 20μ.
8. The laminate as claimed in claim 1 , wherein the total thickness of ethylene vinyl alcohol (EVOH) polymer film layer is 70μ-90μ.
9. The laminate as claimed in claim 1 , wherein the inner polyethylene (PE) layer is a three layer film or a mono layer film.
10. The laminate as claimed in claim 1 comprising:
the outer polyethylene (PE) layer having a thickness of 70μ-100μ;
the first adhesive layer having a thickness of 5μ-7μ;
the substrate layer having a thickness of 10μ-12μ;
the second adhesive layer having a thickness of 5μ-7 p;
the ethylene vinyl alcohol (EVOH) polymer barrier film layer having a thickness of 79μ-90μ;
the linear density polyethylene (LDPE) extrusion layer having a thickness of 20μ-65μ; and
the inner polyethylene (PE) layer having a thickness of 70μ-120μ.
11. The laminate as claimed in claim 1 comprising:
the outer polyethylene (PE) layer having a thickness of 70μ;
the first adhesive layer having a thickness of 6μ;
the substrate layer having a thickness of 11μ;
the second adhesive layer having a thickness of 6μ;
the ethylene vinyl alcohol (EVOH) polymer barrier film layer having a thickness of 79μ;
the linear density polyethylene (LDPE) extrusion layer having a thickness of 20μ; and
the inner polyethylene (PE) layer having a thickness of 100μ.
12. The laminate as claimed in claim 1 , wherein the outer polyethylene (PE) film layer is surface printed.