Material controllingly releasing a liquid active substance by evaporation and a mosquito repellent bracelet comprising said material

Material controllingly releasing a liquid active substance by evaporation and a mosquito repellent bracelet comprising said material

  • CN 101,365,333 A
  • Filed: 09/04/2006
  • Published: 02/11/2009
  • Est. Priority Date: 09/02/2005
  • Status: Active Application
First Claim
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1. discharge the material of liquid active substance gradually by evaporation, described material comprises matrix of polymer material, steeping liq composition therein, described material is characterised in that said composition comprises the mixture of active substance and solute, and described solute can be by reducing the evaporation power that vapour pressure reduces active substance.

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