Hydrogenated copolymer-containing laminate

Details Hydrogenated copolymer-containing laminate Hydrogenated copolymer-containing laminate

2004-05-14

2010-10-05

Dye, Rena L (Department: 1782)

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

C428S035200, C428S035700, C428S036100, C428S036400, C428S036500, C428S036600, C428S036800, C428S036900, C428S036910, C428S517000, C428S518000, C428S519000, C428S521000, C428S523000

Reexamination Certificate

active

07807241

ABSTRACT:
A hydrogenated copolymer-containing laminate comprising a substrate layer, an adhesive layer, and a hydrogenated copolymer composition layer which is laminated on and bonded to the substrate layer through the adhesive layer, the hydrogenated copolymer composition layer comprising a hydrogenated copolymer (I), and a rubbery polymer (II), wherein the hydrogenated copolymer (I) is obtained by hydrogenating a conjugated diene/vinyl aromatic compound copolymer, the hydrogenated copolymer (I) having the following characteristics (1) to (4): (1) a vinyl aromatic monomer unit content of from more than 50% by weight to 90% by weight, (2) a content of a vinyl aromatic polymer block of not more than 40% by weight, (3) a weight average molecular weight of from 50,000 to 1,000,000, and (4) a hydrogenation ratio of 70% or more, as measured with respect to the double bonds in conjugated diene monomer units.

REFERENCES:
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Supplementary European Search Report, mailed Apr. 12, 2007 and issued in corresponding European Patent Application No. 04733156.6-2124.

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