Laminate, adhesive kit, laminated structure and production method thereof, and contact adhesive composition
Assignee3M Innovative Properties Company
InventorsHidetoshi Abe, Yuji Kashiwazaki, Mamoru Kanno
Life of this patent
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Abstract
A laminate comprising a substrate layer; a contact adhesive layer comprising a contact adhesive agent having at least one of chloroprene rubber or acrylic copolymers, as well as microspheres having an average particle size of 0.5 μm or greater in the contact adhesive layer, wherein the contact adhesive layer contains from 5 parts by mass to 500 parts by mass of the microspheres per 100 parts by mass of the contact adhesive agent, and the contact adhesive layer has a plurality of protruding portions because of the microspheres.
Claims20
A laminate comprising:
- a substrate layer having a first and second major surface;
- a contact adhesive layer having a first and second major surface, the second major surface of the contact adhesive layer adhesively coupled to the first major surface of the substrate layer, the contact adhesive layer comprising a contact adhesive agent comprising at least one of chloroprene rubber or acrylic copolymers, and additionally comprising microspheres have an average particle size of 0.5 μm or greater;
- wherein the contact adhesive layer contains from 5 parts by mass to 500 parts by mass of the microspheres per 100 parts by mass of the contact adhesive agent, and
- the first major surface of the contact adhesive layer comprises a plurality of protrusions corresponding to the locations of at least some of the microspheres.
A contact adhesive composition comprising:
- a contact adhesive agent comprising at least one of chloroprene rubber or acrylic copolymers, and microspheres having an average particle size of 0.5 μm or greater, and comprising from 5 parts by mass to 500 parts by mass of the organic resin microspheres per 100 parts by mass of the contact adhesive agent.
Dependencies are inferred from the claim text.