Functional additive for starch-base biological degradation packaging material and producing method thereof

Functional additive for starch-base biological degradation packaging material and producing method thereof

  • CN 101,085,843 B
  • Filed: 07/07/2007
  • Issued: 04/18/2012
  • Est. Priority Date: 07/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. the functional additive of a starch-base biological degradation packaging material is characterized in that being grouped into by the one-tenth of following weight ratio:

  • remover 1~

    10%, and adjusting adhesive 10~

    40%, softening agent 5~

    30%, filler 20~

    50%, linking agent 1~

    5%, starch modifying agent 1~

    5%,Described releasing agent is middle longer chain fatty acid or soap or derivative of fatty acid, silicone resin, Yelkin TTS, paraffin, beeswax or the tetrafluoroethylene of chain length greater than C12;

    Described adjusting adhesive is natural polysaccharide keynote stick, protein-based adjusting adhesive or synthetic organic adjusting adhesive;

    Wherein said natural polysaccharide keynote stick is alginic acid, phycocolloid, gluten powder, agar-agar, Sudan Gum-arabic, X 5363, Viscogum BE, kuteera gum, tragacanth gum powder or cellulose base adjusting adhesive;

    Described protein-based adjusting adhesive is a prolamine;

    Collagen or casein, described synthetic organic adjusting adhesive is Vinylpyrrolidone polymer, polyoxyethylene glycol, Z 150PH, polyvinyl methyl ethermaleic anhydride, ROHM, polyacrylate, polyethylene acrylic acid, polyethylene propylene hydrochlorate, SEPIGEL 305, oxyethyl group polymkeric substance, POLYACTIC ACID or latex;

    Described softening agent is that nonionogenic tenside or boiling point are higher than polyhydric organism 220 ℃

    contain;

    Described filler is inorganic salt, and described inorganic salt are lime carbonate, talcum powder, kaolin, calcined kaolin, mica, feldspar, wollastonite, porous pearl salt, glass microballon, hydrated aluminum oxide, tiff, white carbon black or permanent white;

    Described linking agent is to contain the above organism of two functional groups, and the described organism that contains more than two functional groups is dialdehyde, methyl urea or terpolycyantoamino-formaldehyde resin;

    Described starch modifying agent be can with the enzyme of starch storage crop, and described can be carbohydrase, glycase or oxydase with the enzyme of starch storage crop.

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