Polycarboxylate superplasticizer with high slump retaining property and preparing method thereof

Polycarboxylate superplasticizer with high slump retaining property and preparing method thereof

  • CN 105,778,010 A
  • Filed: 02/24/2016
  • Published: 07/20/2016
  • Est. Priority Date: 02/24/2016
  • Status: Active Application
First Claim
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1. a high collapse protection type polycarboxylate water-reducer, it is characterised in that be polymerized in deionized water by following component, its each composition weight number ratio is as follows:

  • Methyl allyl polyoxyethylene ether;

    300 350;

    Methacrylic acid;

    20 40;

    Hydroxyethyl methylacrylate;

    40 60;

    Methylpropene sodium sulfonate;

    68;

    Initiator;

    46;

    Chain-transferring agent;

    0.4 2;

    Sodium hydroxide;

    48.

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