Composite material for air purification, preparation method therefor and application thereof

  • US 10,780,379 B2
  • Filed: 08/18/2017
  • Issued: 09/22/2020
  • Est. Priority Date: 09/09/2016
  • Status: Active Grant
First Claim
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1. A composite material for purifying air, the composite material comprising:

  • a porous foam material, which is an open-cell polyurethane foam net; and

    a mixture sprayed on the interior and/or surface of the porous foam material, comprising an adsorptive material, a treating agent and an adhesive;

    wherein the adsorptive material is diatomite, and the treating agent is alkali solution;

    wherein the composite material further comprises a humectant sprayed on the interior and/or surface of the porous foam material to which the mixture has been sprayed.

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