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    • 4. 发明授权
    • Pressure-sensitive adhesive composition curable with actinic energy ray and pressure-sensitive adhesive sheet
    • 用光化能射线和压敏粘合片固化的压敏粘合剂组合物
    • US06645617B1
    • 2003-11-11
    • US09856984
    • 2001-05-30
    • Eiichi OkazakiTetsuji Jitsumatsu
    • Eiichi OkazakiTetsuji Jitsumatsu
    • C08F246
    • C09J133/26C09J7/385C09J133/06Y10T428/28Y10T428/2809Y10T428/2891
    • A pressure-sensitive adhesive composition curable with actinic energy rays which comprises a copolymer comprising 0.1 to 30 wt. %, preferably 0.1 to 3 wt. %, structural units derived from an imide (meth)acrylate represented by general formula (1) and 70 to 99.9 wt. %, preferably 97 to 99.9 wt. %, structural units derived from an ethylenic monomer such as an alkyl (meth)acrylate having a C4-12 alkyl group. In formula (1), R1 and R2 each independently is hydrogen or C1-4 alkyl, one of R1 and R2 is hydrogen and the other is C1-4 alkyl, or R1 and R2 are bonded to each other to form a carbon ring; R3 is C1-6 alkylene; R4 is hydrogen or methyl; and n is an integer of 1 to 6. The pressure-sensitive adhesive composition is usable as one-pack type, has excellent storage stability, and does not necessitate any step such as heating or aging when used. The cured article obtained therefrom is excellent in bonding strength and holding power, is substantially odorless, and is extremely suitable for use in pressure-sensitive adhesive sheets, etc.
    • 一种用光化能射线固化的压敏粘合剂组合物,其包含含有0.1-30wt。 %,优选0.1〜3wt。 %,由通式(1)表示的酰亚胺(甲基)丙烯酸酯衍生的结构单元和70〜99.9重量% %,优选97-99.9重量%。 %,衍生自烯属单体的结构单元如具有C 4-12烷基的(甲基)丙烯酸烷基酯。 在式(1)中,R 1和R 2各自独立地是氢或C 1-4烷基,R 1和R 2之一是氢,另一个是C 1-4烷基, 1>和R 2彼此键合形成碳环; R 3是C 1-6亚烷基; R 4是氢或甲基; n为1〜6的整数。该粘合剂组合物可用作单组分型,具有优异的储存稳定性,并且在使用时不需要加热或老化等任何步骤。 由此得到的固化物的接合强度和保持力优异,基本上无臭,非常适合用于压敏粘合片等。
    • 8. 发明申请
    • Radiation-curable pressure-sensitive adhesive composition and pressure-sensitive adhesive sheets
    • 可辐射固化型压敏粘合剂组合物和压敏粘合片
    • US20060182956A1
    • 2006-08-17
    • US10559449
    • 2004-06-03
    • Daisuke KamiyaEiichi Okazaki
    • Daisuke KamiyaEiichi Okazaki
    • B32B7/12
    • C09J133/24C09J4/00C09J7/381Y10T428/2852C08F220/40
    • The present invention relates to a pressure-sensitive adhesive curable with active energy beams which is useful as a pressure-sensitive adhesive and a pressure-sensitive adhesive sheet. The present invention has been made for the purpose of finding an active energy beam-curable pressure-sensitive adhesive, which is liquid at ordinary temperature, and has practical crosslinkability and curability in the absence of a photopolymerization initiator even when irradiated with visible or ultraviolet light, and gives a cured coating film which does not suffer from discoloration but is excellent in various pressure-sensitive adhesive performances as well as water resistance and heat resistance. The present invention provides a composition comprising a plurality of compounds which each have two or more maleimide groups and are liquid at ordinary temperature, wherein the plurality of compounds comprise (A) a compound having maleimide groups represented by the following formula (1), and (B) a compound having maleimide groups represented by the following formula (2), and/or a compound having maleimide groups represented by the following formula (3). where in formula (2) R1 and R2 each represent an alkyl group, an aryl group, an arylalkyl group or a halogen atom; and in formula (3), R3 represents a propylene group or butylene group which may be substituted.
    • 本发明涉及可用作压敏粘合剂和压敏粘合片的活性能量束固化的压敏粘合剂。 本发明是为了找到常温下为液体的活性能量束固化型压敏粘合剂,即使在用可见光或紫外线照射时也不存在光聚合引发剂,具有实用的交联性和固化性 并且得到不会发生变色的固化涂膜,但是各种压敏粘合剂性能以及耐水性和耐热性都是优异的。 本发明提供了包含多种化合物的组合物,它们各自具有两个或更多个马来酰亚胺基团并且在常温下为液体,其中所述多种化合物包含(A)具有由下式(1)表示的马来酰亚胺基团的化合物,和 (B)由下式(2)表示的具有马来酰亚胺基团的化合物和/或具有由下式(3)表示的马来酰亚胺基团的化合物。 式(2)中,R 1和R 2各自表示烷基,芳基,芳基烷基或卤素原子; 在式(3)中,R 3表示可被取代的亚丙基或亚丁基。