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US 2019/0153266 A1Published application
Gummed paper
AssigneeNingde Amperex Technology Limited
InventorsZhifang DAI, Luran Zhang, Hai Long, Xinghua Tao
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Abstract
A gummed paper includes: a first adhesive layer, configured to adhere to an object; a first substrate, adhered to a surface of the first adhesive layer opposite to the object; a second adhesive layer, adhered to a surface of the first substrate opposite to the first adhesive layer; a second substrate, adhered to a surface of the second adhesive layer opposite to the first substrate; and a plurality of foaming agent particles, distributed in the first adhesive layer.
Claims20
A gummed paper, comprising:
- a first adhesive layer, configured to adhere to an object;
- a first substrate, the first adhesive layer disposed between the first substrate and the object;
- a second adhesive layer, adhered to a surface of the first substrate opposite to the first adhesive layer;
- a second substrate, the second adhesive layer disposed between the first substrate and the second substrate;
- and
- a plurality of foaming agent particles, distributed in the first adhesive layer.
3 more elements
A method for preparing a gummed paper, comprising:
- coating a mixture of an acrylate compound, a plurality of foaming agent particles and a curing agent onto a release film to obtain a first material roll having a first adhesive layer;
- adhering a surface of the first material roll opposite to the release film with a first substrate to obtain a second material roll;
- coating an acrylate adhesive onto a second substrate to obtain a third material roll having a second adhesive layer;
- adhering a surface of the first substrate of the second material roll with a surface of the second adhesive layer of the third material roll;
- and
- performing cross-cutting and aging treatment to obtain the gummed paper.
3 more elements
Dependencies are inferred from the claim text.