Coated recyclable paper or paperboard and methods for their production

Coated recyclable paper or paperboard and methods for their production

  • CN 102,292,500 A
  • Filed: 11/05/2009
  • Published: 12/21/2011
  • Est. Priority Date: 11/07/2008
  • Status: Active Application
First Claim
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1. produce the renewable paper of coating or the method for cardboard for one kind, comprising:

  • A) water paint is provided at least one coating machine, described water paint comprises and accounts for described coating dry weight about 70 polymer emulsions to about 90 weight %, and accounts for described coating dry weight about 10 pigment to about 30 weight %;

    B) described water paint is coated to paper or cardboard on described paper or cardboard, to provide dope layer;

    C) dry described water paint layer is to provide coated paper or cardboard;

    WithD) described coated paper of cooling or cardboard,Wherein coating, drying and cooling are carried out under efficient temperature, are lower than about 10g/m so that water proofing property to be provided 2And water vapor transmission rate is lower than 120g/m 2The coated board goods, Wherein said coated paper or paperboard products are heat-sealable.

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