Sulphur cement pre-composition and process for preparing such sulphur cement pre-composition

Sulphur cement pre-composition and process for preparing such sulphur cement pre-composition

  • CN 101,687,702 B
  • Filed: 06/04/2008
  • Issued: 06/25/2014
  • Est. Priority Date: 06/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. a sulphur cement pre-composition, it comprises sulphur and with the organosilane containing polysulfide of general composition weight meter 0.3-25wt% and the optional sulphur properties-correcting agent based on sulphur weighing scale 0.1-10wt%, the wherein said organosilane containing polysulfide has following general molecular formula:

  • (X 3Si) mH (2n+1-m)C n-S a-C n′

    H (2n′

    +1-m′

    )
    (S

    iX′

    3) m′

    (1) The integer that wherein a is 2-8, X and X '"'"' they are hydrolysable group independently of one another, n and n '"'"' they are the integer of 1-4 independently of one another, and m and m '"'"' are 1 integer to (2n+1) independently of one another.

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