Beijing Dongke United Technologies Co.,Ltd.

How to Make Polycarboxylate Superplasticizer?

Reaction Process For HPEG

Raw Material

Base Material: HPEG 340 g, Water 300g

Solution : crylic acid 46g, Vitamin C 0.6g, thiohydracrylic acid 2.5g

     Water 51, Mixed

Porcess:

  1. Foundation Fully Mixed
  2. Add in order H2O2 (35%) 2.5g, fully Mixed (5 minutes)
  3. Add Solution ( 2.5 Hrs Finish) by drops
  4. Keep Warm for 1Hr after finishing the drops.
  5. Add 260g Water and fully mixed for 10 mins.

Done

Reaction Process For TPEG

Raw Material

Foundation: TPEG 337.5 g, Water 280g

Solution 1: thiohydracrylic acid 2g, Vitamin C 0.66g, Water 106, Mixed

Solution 2: crylic acid 13.5g, hydroxyethyl acrylate 31g, Water 33.4g Mixed

Porcess:

  • Foundation Fully Mixed
  • Add in order crylic acid 6.8g, hydroxyethyl acrylate 15.5g, thiohydracrylic acid 1g, Fully Mixed
  • Add 35% purity 3g Hydrogen Peroxide H2O2, Fully Mixed for 5 mins.
  • Add Solution 1 ( 3.5 Hrs Finish) and 2( 3 Hrs Finish) by drops at the      same time.
  • Keep Warm for 1.5 Hr
  • Add 200g Water and fully mixed for 10 mins.
  • Done

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