JP2008527067A5 - - Google Patents

Claims (6)

少なくとも１種のエチレン／Ｃ₃〜Ｃ₂₀α−オレフィン共重合体を含む第１の成分、
前記第１の成分１００重量部につき６〜１２重量部の量の、少なくとも１種のエチレン／（メタ）アクリル酸エステル共重合体を含む第２の成分、
前記第１の成分１００重量部につき５０〜２００重量部の量の、少なくとも１種の粘着付与樹脂を含む、前記第１および前記第２の成分と相溶性の第３の成分
を含むホットメルト接着組成物。 First component comprising at least one ethylene / C ₃ ~C ₂₀ α- olefin copolymers,
A second component comprising at least one ethylene / (meth) acrylate copolymer in an amount of 6 to 12 parts by weight per 100 parts by weight of the first component;
Hot melt adhesion comprising a third component compatible with the first and second components in an amount of 50-200 parts by weight per 100 parts by weight of the first component, comprising at least one tackifying resin. Composition. 前記α−オレフィンが、１−オクテンを含む請求項１に記載の組成物。 The α- olefin composition of claim 1 comprising 1-octene. 前記エチレン／Ｃ₃〜Ｃ₂₀α−オレフィン共重合体が、１５０〜２５００ｇ／１０分のメルトインデックスを有する請求項２に記載の組成物。 The composition according to claim 2 , wherein the ethylene / C _{3 to} C ₂₀ α-olefin copolymer has a melt index of 150 to 2500 g / 10 minutes. 前記（メタ）アクリル酸エステルが、Ｃ₁〜Ｃ₈アルキル（メタ）アクリル酸エステルを含む請求項１〜３のいずれか１項に記載の組成物。 The (meth) acrylic acid ester, C ₁ -C ₈ alkyl (meth) composition according to any one of claim 1 to 3 including an acrylic acid ester. 少なくとも１種のワックスをさらに含有する請求項１〜４のいずれか１項に記載の組成物。 The composition according to any one of claims 1 to 4 , further comprising at least one wax. 前記第３の成分が、前記第１の成分１００重量部につき４０〜１５０重量部の量の、前記第１の成分と相溶性の第１の粘着付与樹脂、および前記第１の成分１００重量部につき１０〜５０重量部の量の、前記第２の成分と相溶性の第２の粘着付与樹脂を含む請求項３に記載の組成物。   The third component is a first tackifying resin compatible with the first component in an amount of 40 to 150 parts by weight per 100 parts by weight of the first component, and 100 parts by weight of the first component. The composition of claim 3 comprising a second tackifying resin compatible with the second component in an amount of 10 to 50 parts by weight per unit.