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US 10,253,218 B2Granted
Adhesive tape
AssigneeMaxell Holdings, Ltd.
InventorsTadahiko Nakagawa, Masahiro Saigo, Akiyoshi Masuda
Life of this patent
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Abstract
An adhesive tape includes: a sheet-like base; an undercoat layer that is laminated on the base and contains an acid modified compound; and an adhesive agent layer that is laminated on the undercoat layer and contains butyl rubber, an alicyclic saturated hydrocarbon resin and a multifunctional epoxy-based compound.
Claims5
An adhesive tape for a microplate comprising:
- a sheet-shaped base;
- an undercoat layer that is laminated on the base and contains an acid modified polyolefin compound obtained by applying graft polymerization of unsaturated carboxylic acid and/or acid anhydride thereof to polyolefin;
- and
- an adhesive agent layer that is laminated on the undercoat layer and contains an adhesive agent comprising butyl rubber, an alicyclic saturated hydrocarbon resin whose softening temperature is in a range from 85° C. or more to 140° C. or less and a multifunctional epoxy-based compound including glycidyl groups and having two to four epoxy groups, wherein
- the adhesive agent layer contains the multifunctional epoxy-based compound in the range from 0.1 parts by weight to 1 part by weight with respect to 100 parts by weight of the adhesive agent except for the multifunctional epoxy-based compound, and
- the adhesive agent layer has solubility of 3% or less in each of acetonitrile, dimethyl sulfoxide and methanol.
3 more elements
Dependencies are inferred from the claim text.