Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2006-12-05
2006-12-05
Mullis, Jeffrey (Department: 1711)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S423100, C428S521000, C428S523000, C525S098000, C525S099000, C525S197000
Reexamination Certificate
active
07144623
ABSTRACT:
The present invention relates to a thermoplastic elastomer composition comprising:(a) a block copolymer having a weight-average molecular weight of 80,000 to 1,000,000 which is represented by the general formula (I):in-line-formulae description="In-line Formulae" end="lead"?A(B-A)n, and/or (A-B)n (I)in-line-formulae description="In-line Formulae" end="tail"?wherein A is a block of a polymer of a vinyl aromatic hydrocarbon; B is a block of an elastomeric polymer; and n is an integer of 1 to 5, and/ora hydrogenated block copolymer obtained by hydrogenating said block copolymer;(b) a softening agent for hydrocarbon-based rubbers; and(c) an olefin-based resin,said component (a) being contained in an amount of 20 to 80% by weight, and said component (b) being contained in an amount of 20 to 80% by weight, both based on a total weight of the components (a) and (b), and said component (c) being contained in an amount of 1 to 300 parts by weight based on 100 parts by weight of a total amount of the components (a) and (b), anda sheet comprising the thermoplastic elastomer composition and a laminate including the sheet.
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Electronic Translation of JP 08-156153, Jun. 1996.
Mitsubishi Chemical Corporation
Mullis Jeffrey
Nixon & Vanderhye P.C.
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