METHOD FOR MANUFACTURING A PAPER CONTAINER HAVING A FOAMABLE LAYER
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Nov 4, 2015
filing date -
Nov 7, 2014
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Abstract
A method for manufacturing a paper container having a foamable layer is provided. A sheet material has opposing first and second faces and a paper layer. An insulating layer is at least partially coated on the first face to form a paper container substrate, and the insulating layer at least includes a foamable layer including a waterborne acrylic resin part, foam powder and a waterborne additive part. The foam powder is evenly distributed in an insulating substrate form by the waterborne acrylic resin part and the waterborne additive part. The paper container substrate is manufactured into the paper container including a body portion and a bottom board. The insulating layer is located on an outer circumferential face of the body portion.
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