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US 9,284,475 B2Granted
Pressure sensitive adhesive with butene-1 copolymers
AssigneeBasell Poliolefine Italia S.r.l.
InventorsGianluca Musacchi, Inge Elisabeth Roucourt, Giampaolo Pellegatti, Johan De Clippeleir, Stefano Spataro
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Abstract
Pressure sensitive adhesive composition and multilayer easy peel re-closable structures thereof, comprising a butene-1 (co)polymer (A) having a content of butene-1 derived units of 80 wt % or more; a flexural modulus (MEF) of 80 MPa or less; a melting temperature DSC (TmI) lower than 110° C., and optionally a tackifier (B).
Claims7
A pressure-sensitive adhesive comprising:
- (A) a butene-1 copolymer having:
- (i) a content of butene-1 derived units of 80 wt. % or more, based upon the total weight of the butene-1 copolymer,
- (ii) a flexural modulus (MEF) of 80 MPa or less,
- (iii) a melting temperature DSC (TmI) lower than 50° C.;
- and optionally
- (B) a tackifier.
3 more elements
Dependencies are inferred from the claim text.