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Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound

  • US 4,711,669 A
  • Filed: 11/05/1985
  • Issued: 12/08/1987
  • Est. Priority Date: 11/05/1985
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing a bonded particulate article comprising the steps of(i) admixing particulate material with a binder system, the binder system being formed by admixing a polyol comprising a hydrolyzed, gelatinized amylaceous material, a crosslinker for said polyol (ii) comprising the reaction product of gloxal, urea and formaldehyde, alone, or in further combination with ethylene glycol, a solvent, and an acid wherein said reaction is carried out at a pH of below about 7;

  • (ii) forming the admixture into a shape; and

    (iii) curing to produce the bonded article.

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