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US 2019/0283285 A1Published application
Thermally expandable sheet and method of manufacturing thermally expandable sheet
AssigneeCasio Computer Co., Ltd.
InventorsYoshimune MOTOYANAGI, Yuji HORIUCHI, Hideki TAKAHASHI, Satoshi MITSUI
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Abstract
A thermally expandable sheet according to the present invention includes a stress buffer layer provided on one surface of a base material and having an elastic property, a thermal expansion layer provided on the stress buffer layer and containing a first thermally expandable material that expands according to heat and a first binder, and a cover layer provided on the thermal expansion layer and having an elastic property.
Claims24
A thermally expandable sheet comprising:
- a stress buffer layer provided on one surface of a base material and having an elastic property;
- a thermal expansion layer provided on the stress buffer layer and containing a first thermally expandable material that expands according to heat and a first binder;
- and
- a cover layer provided on the thermal expansion layer and having an elastic property.
1 more element
A method of manufacturing a thermally expandable sheet, comprising:
- forming a stress buffer layer having an elastic property on one surface of a base material;
- forming a thermal expansion layer including a first thermally expandable material that expands according to heat and a first binder on the stress buffer layer;
- and
- forming a cover layer having an elastic property on the thermal expansion layer.
1 more element
Dependencies are inferred from the claim text.