Abrasion resistant product

Abstract

A product comprising a plurality of interlaced yarns wherein at least a first yarn having a tensile strength, having a value TS in N/tex, said first yarn containing a plurality of UHMWPE fibers having a titer, having a value T in den, wherein the ratio T/TS is at least 5 den.tex/N. The tensile strength is obtained by adjusting the drawing ratio or the UHMWPE filaments/fibers accordingly. The product shows resistance to abrasion. The product can be a rope or round slings, comprising a sheath/jacket comprising said first yarn.

Claims

1. An abrasion resistant product comprising a plurality of interlaced yarns wherein at least a first yarn has a tensile strength, having a value TS in N/tex, the first yarn containing a plurality of UHMWPE fibres with a titer per fiber, having a value T in den, and wherein a ratio T/TS is at least 6 den.tex/N.

2. The product of claim 1, wherein the plurality of UHMWPE fibres have a titer of at least 6 den.

3. The product of claim 1, wherein the first yarn has a tensile strength in the range of 0.5 to 2.2 N/te.

4. The product of claim 1, further comprising a second yarn containing a plurality of high performance fibers, wherein the second yarn is different from the first yarn.

5. The product of claim 4, wherein the second yarn has a tensile strength of at least 2.2 N/tex.

6. The product according to claim 1, wherein the plurality of interlaced yarns are braided, knitted, woven or any combination thereof.

7. The product of claim 1, wherein the product is selected from the group consisting of fabrics, ropes, nets, slings and belts.

8. The product of claim 1, further comprising a sheath section and a core section, wherein the sheath section comprises the first yarn.

9. The product of claim 8, wherein the sheath section is a fabric.

10. The product of claim 7, wherein the core section is a rope-like construction comprising the second yarn.

11. The product of claim 6, wherein the product is a rope or a round sling comprising an abrasion resistance sheath section comprising the first yarn.

12. The product of claim 1, wherein the ratio T/TS is at least 7 den.tex/N.

13. The product of claim 1, wherein the ratio T/TS is at least 8 den.tex/N.

14. The product of claim 2, wherein the titer of the plurality of UHMWPE fibres is at least 9 den.

15. The product of claim 2, wherein the titer of the plurality of UHMWPE fibres is at least 11 den.

16. The product of claim 2, wherein the titer of the plurality of UHMWPE fibres is at least 14 den.

17. The product of claim 3, wherein the tensile strength of the first yarn is in the range of 0.8 to 2.0 N/tex.

18. The product of claim 3, wherein the tensile strength of the first yarn is in the range of 1.0 to 1.8 N/tex.

19. The product of claim 5, wherein the tensile strength of the second yarn is at least 2.4 N/tex.

20. The product of claim 5, wherein the tensile strength of the second yarn is at least 2.7 N/tex.

21. The product of claim 5, wherein the tensile strength of the second yarn is at least 3.0 N/tex.

22. The product of claim 9, wherein the sheath section is a woven or braided fabric.

23. The product of claim 9, wherein the sheath section is a hollow woven fabric.

24. An abrasion resistant product comprising a plurality of interlaced yarns, wherein at least a first yarn has a tensile strength, having a value TS in N/tex which is in a range of 0.5 to 2.2 N/tex, the first yarn containing a plurality of UHMWPE fibers with a titer per fiber, having a value T in den, and wherein a ratio T/TS is at least 5 den.tex/N.

25. The product of claim 24, wherein the ratio T/TS is at least 7 den.tex/N.

26. The product of claim 24, wherein the ratio T/TS is at least 8 den.tex/N.

27. The product of claim 24, wherein the tensile strength of the first yarn is in the range of 0.8 to 2.0 N/tex.

28. The product of claim 24, wherein the tensile strength of the first yarn is in the range of 1.0 to 1.8 N/tex.

29. The product of claim 24, further comprising a second yarn containing a plurality of high performance fibers, wherein the second yarn is different from the first yarn.

30. The product of claim 29, wherein the second yarn has a tensile strength of at least 2.2 N/tex.

31. The product of claim 29, wherein the tensile strength of the second yarn is at least 2.4 N/tex.

32. The product of claim 29, wherein the tensile strength of the second yarn is at least 2.7 N/tex.

Description

EXAMPLE

(1) Comparative experiment A was repeated however the cover construction was made from 24 strands of an UHMWPE yarn of 6600 dtex having a yarn tenacity of 1.78 N/tex with a fiber titer of 17 den was used. The cover construction had a weight per length of 18.24 g/m.

(2) The covered rope was subjected to the Fairlead abrasion test under conditions identical to comparative experiment. The cover failed after 289 cycles.