Laminated composite
First Claim
Patent Images
1. Laminated composite consisting of a substrate sheet based on cellulosic material laminated with a film (A) comprising at least one layer based on a polyamide (P) resulting from the polycondensation of an aliphatic α
- , ω
-dicarboxylic acid with xylylenediamine, said film (A) comprising, in the following order;
(i) a layer (D) in contact with the substrate sheet, said layer (D) based on a thermoplastic polymer whose processing temperature is compatible with that of the polyamide (P);
(ii) a layer ()C based on a modified polyolefin which is polyolefin modified by grafting with a polar monomer; and
(iii) the polyamide layer (P).
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Abstract
Laminated composite consisting of a substrate sheet coated with a film (A) comprising at least one layer based on a polyamide resulting from the polycondensation of an aliphatic α, ω-dicarboxylic acid with xylylenediamines.
40 Citations
11 Claims
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1. Laminated composite consisting of a substrate sheet based on cellulosic material laminated with a film (A) comprising at least one layer based on a polyamide (P) resulting from the polycondensation of an aliphatic α
- , ω
-dicarboxylic acid with xylylenediamine, said film (A) comprising, in the following order;(i) a layer (D) in contact with the substrate sheet, said layer (D) based on a thermoplastic polymer whose processing temperature is compatible with that of the polyamide (P); (ii) a layer ()C based on a modified polyolefin which is polyolefin modified by grafting with a polar monomer; and (iii) the polyamide layer (P). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- , ω
-
10. Laminated composite consisting of a substrate sheet based on cellulosic material laminated with a film (A) comprising at least one layer based on a polyamide (P) resulting from the polycondensate of an aliphatic α
- , ω
-dicarboxylic acid with xylylenediamine, said film (A) comprising, in the following order;(i) a layer (D) in contact with the substrate sheet, said layer (D) based on a thermoplastic polymer whose processing temperature is compatible with that of the polyamide (P); (ii) a layer (C) based on a modified polyolefin which comprises polar monomers in addition to monomeric units derived from alpha-olefins; and (iii) the polyamide layer (P).
- , ω
-
11. Laminated composite consisting of a substrate sheet based on cellulosic material laminated with a film (A) comprising one layer based on a polyamide (P) resulting from the polycondensation of an aliphatic α
- , ω
-dicarboxylic acid with xylylenediamine, said film (A) consisting essentially of, in the following order;(i) a layer (D) is contact with substrate sheet, said layer (D) based on a thermoplastic polymer whose processing temperature is compatible with of the polyamide (P); (ii) a layer (C) based on a modified polyolefin which comprises polar monomers in addition to monomeric units derived from alpha-olefins; and (iii) the polyamide layer (P).
- , ω
Specification