Effect of chlorosulfonation of ultra-high strength polyethylene fibres on mechanical properties and bonding with gypsum plaster

Ultra-high strength polyethylene fibres were chlorosulfonated according to Kanig's technique

A. R. Postema; A. T. Doornkamp; J. G. Meijer; H. v. d. Vlekkert; A. J. Pennings

2005

Key concepts

Scholarcy highlights

  • Ultra-high strength polyethylene fibres were chlorosulfonated according to Kanig's technique
  • It has been found that the tensile strength of the fibre decreases during chlorosulfonation, whereas the Young's modulus can be increased by more than fifty percent of its original value
  • The interfacial bond-strength between polyethylene and gypsum plaster could be improved at least 4.8 times, amounting values of 6.3 MPa, making these fibres very suitable for use as a reinforcing material in gypsum plaster
  • SEM indicated that this improvement could be described to surface roughening of the fibre, due to chemical degradative stress-cracking during constrained chlorosulfonation

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