D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/1014, 18/1043
D01F 8/06 (2006.01) D01D 5/42 (2006.01) D01F 6/46 (2006.01) D01F 8/00 (2006.01)
Patent
CA 1107025
ABSTRACT OF THE DISCLOSURE The present invention provides a composite elongated- shaped product formed from at least two synthetic polymer com- ponents in which one of the polymer components is polypropylene present in an amount of more than 50 per cent by weight, and at least one other polymer component is distributed in the poly- propylene, said composite product containing 65 to 95 per cent by weight of polypropylene and 35 to 5 per cent by weight of at least one member selected from polyesters and polyamides, said polyesters being formed of structural units derived from at least one dicarboxylic acid, at least 70 mole % of which is tereph- thalic acid and of structural units derived form at least one low-molecular diol, at least 70 mole % of which is a diol having the formula HO(CH2)nOH, where n is a whole number said polyamides being formed by the polycondensation of caprolactam or adipic acid an hexamethylene-1,6-diamine, which other polymers are partly present in the form of fibrils, the tensile strength (Y) of the oriented composite product being at least equal to 1.10X, where X is the tensile strength of a corresponding elongated- shaped product which is a substantially 100% polypropylene product having a melt index of 3 made in the same way as a composite elongated-shaped product, X being greater than or equal to 45 cN/tex where the product is formed by split-fibre and X being at least equal to 35 cN/tex for ribbon or film-shaped products, where the product is not formed by split-fibre, the value of X being greater than or equal to 50 cN/tex for thread- shaped products. The product is useful in strapping and ropes or cables.
291574
Akzo N.v.
Marks & Clerk
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