FLUOROSILICONE BLEND RELEASE MATERIALS

PROBLEM TO BE SOLVED: To provide an adhesive article with desired release properties.SOLUTION: An adhesive article comprises: (I) a release liner comprising a substrate and a cured release composition on at least one surface of the substrate, where the release composition comprises (a) an ethylenica...

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Bibliographische Detailangaben
Hauptverfasser: QIU ZAI-MING, JANET A VENNE, MARIE A BOULOS, JAYSHREE SETH
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an adhesive article with desired release properties.SOLUTION: An adhesive article comprises: (I) a release liner comprising a substrate and a cured release composition on at least one surface of the substrate, where the release composition comprises (a) an ethylenically unsaturated organopolysiloxane base polymer having a vinyl equivalent weight of 400 to 25,000 grams per equivalent and a weight average molecular weight of 800 to 50,000 grams per mole, (b) an ethylenically unsaturated fluoroorganopolysiloxane polymer, (c) a hydrosilation catalyst, and (d) at least one crosslinker selected from the group consisting of (i) a fluoroorganohydrogenpolysiloxane and (ii) an organohydrogenpolysiloxane; and (II) a pressure-sensitive adhesive in contact with the release composition. 【課題】所望の剥離特性を備えた接着物品を提供する。【解決手段】(I)基材と、前記基材の少なくとも1つの表面上の硬化済み剥離剤組成物と、を備える、剥離ライナーであって、前記剥離剤組成物が、(a)当量当たり400〜25,000グラムのビニル当量、及び、モル当たり800〜50,000グラムの重量平均分子量を有する、エチレン性不飽和オルガノポリシロキサンベースポリマーと、(b)エチレン性不飽和フルオロオルガノポリシロキサンポリマーと、(c)ヒドロシリル化反応触媒と、(d)(i)フルオロオルガノハイドロジェンポリシロキサン、及び(ii)オルガノハイドロジェンポリシロキサンからなる群から選択される少なくとも1つの架橋剤と、を含む、剥離ライナー、並びに(II)前記剥離剤組成物と接触している感圧接着剤、を備える接着物品。【選択図】なし