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Hydraulic binder composition and its uses

  • US 5,459,181 A
  • Filed: 07/23/1993
  • Issued: 10/17/1995
  • Est. Priority Date: 07/23/1993
  • Status: Expired due to Term
First Claim
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1. A dry blend composition that is initially a mixture that is soluble in water, but, after being admixed with water and allowed to dry, said composition becomes a water insoluble, cross-linked polymer, said dry blend composition comprising:

  • about ten parts by weight of a water soluble hydroxyl group bearing polymer,0.01 to 5 parts by weight of an amine/formaldehyde condensate pre-polymer bearing two or more methylol groups as a cross-linking agent for said hydroxyl group bearing polymer, andan effective amount of an acid or base catalyst to enhance the reaction between the amine/formaldehyde condensate pre-polymer and said cross-linking agent.

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