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    • 4. 发明专利
    • Silicone-based pressure sensitive adhesive composition and pressure-sensitive adhesive tape or sheet
    • 基于硅胶的压敏粘合剂组合物和压敏胶粘带或薄片
    • JP2009051916A
    • 2009-03-12
    • JP2007219032
    • 2007-08-24
    • Dow Corning CorpDow Corning Toray Co Ltdダウ コーニング コーポレーション東レ・ダウコーニング株式会社
    • MIZUNO HARUNAEKELAND ROBERT AHORI SEIJIYAMADA TAKATERU
    • C09J183/07C09J7/02C09J183/05C09J183/08
    • C09J183/04C08L83/00C09J7/38C09J2483/00Y10T428/2852Y10T428/31663
    • PROBLEM TO BE SOLVED: To provide a silicone-based pressure sensitive adhesive composition capable of forming a pressure sensitive adhesive layer, without recognizing the silicone component on an adhered material on peeling it off after pasting with a metal etc., and exposing at a high temperature, and an adhesive tape or sheet. SOLUTION: This silicone-based pressure sensitive adhesive composition consists of (A) 100 pts. branched organopolysiloxane expressed by molecular formula: (R 3 SiO 1/2 ) 4-p (R 1 R 2 SiO 1/2 ) p (R 2 SiO) m (RR 1 SiO) n (SiO 4/2 ) [wherein, R is a monovalent hydrocarbon group; R 1 is an alkenyl: (p) is on average 2 to 4; (m) is 1,500 to 10,000; (n) is 0 or larger; (m)>(n); and (m+n) is 1,500 to 10,000] and having at least on average 2 alkenyl groups at its molecular chain terminal. (B) 10 to 400 pts. organopolysiloxane resin consisting of R 3 R 2 2 SiO 1/2 unit [wherein, R 2 is an alkyl; and R 3 is an alkyl, an alkenyl, an aryl or hydroxy] and SiO 4/2 unit, and having 0.6 to 1.7 molar ratio of them, (C) an organohydrogenpolysiloxane of an amount becoming 1.0 to 60 molar ratio of the HSi to the alkenyl group and (D) a catalytic amount of a platinum-based catalyst. The adhesive tape or sheet having the cured material layer of the composition are also provided. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够形成压敏粘合剂层的硅氧烷基压敏粘合剂组合物,在粘贴金属等之后,在粘合材料剥离时不识别粘合材料上的硅氧烷成分,并暴露 在高温下,以及胶带或片材。 该解决方案:该硅氧烷基压敏粘合剂组合物包含(A)100个。 由分子式表示的支链有机聚硅氧烷:(R 3 SB 3 SiO 2 SBR)1 / (R SB 2 SiO 2)SB(SiO 2)SB(SiO 2)SB 其中,R是一价烃基; R 1是一价烃基; R 1是烯基:(p)平均为2至4; (m)为1500至10,000; (n)为0以上; (m)>(n); 和(m + n)为1500至10,000],并且在其分子链末端至少具有2个烯基。 (B)10〜400点。 由R 3 2 SiO 1/2 单元组成的有机聚硅氧烷树脂[其中,R SP2 是烷基; 并且R“3”是烷基,烯基,芳基或羟基]和SiO
    • 6. 发明专利
    • Solventless-type releasable cured film-forming organopolysiloxane composition
    • 无溶剂型固化膜成型有机硅氧烷组合物
    • JP2006206884A
    • 2006-08-10
    • JP2005370840
    • 2005-12-22
    • Dow Corning Toray Co Ltd東レ・ダウコーニング株式会社
    • HORI SEIJI
    • C09D183/04
    • PROBLEM TO BE SOLVED: To provide a solventless-type releasable cured film-forming organopolysiloxane composition easy to handle and giving cured film of good slipperiness and releasability.
      SOLUTION: The solventless-type releasable cured film-forming organopolysiloxane composition comprises (A) a reactive silicon-based compound 5-200 mPa s in viscosity, having alkenyl groups on both molecular chain ends and containing each at least one siloxane unit represented by -(R
      1
      2 SiO)
      m+1 - and 2-10C alkylene group in the structure, (B) an organopolysiloxane ≥100,000 mPa s in viscosity with 90% or more organic groups bound to silicon atoms being inert alkyl or aryl groups, (C) an organohydrogenpolysiloxane 1-1,000 mPa s in viscosity, having in one molecule at least three silicon atom-bound hydrogen atoms, and (D) a hydrosilylation catalyst.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供易于处理并提供良好的滑爽性和脱模性的固化膜的无溶剂型可释放固化膜形成有机聚硅氧烷组合物。 解决方案:无溶剂型可释放固化膜形成有机聚硅氧烷组合物包含(A)粘度为5-200mPa·s的反应性硅基化合物,在两个分子链末端具有烯基并且含有至少一个硅氧烷单元 由以下结构表示:(B)有机聚硅氧烷≥(B)有机聚硅氧烷≥ 粘度为10万mPa s,与硅原子结合的有机基团为90%以上为惰性烷基或芳基,(C)粘度为1-1,000mPa·s的有机氢聚硅氧烷,在一分子中具有至少三个硅原子键合的氢原子, 和(D)氢化硅烷化催化剂。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Silicone-based pressure-sensitive adhesive composition, laminate and silicone self-adhesive tape
    • 基于硅胶的压敏粘合剂组合物,层压和硅胶自粘胶带
    • JP2013139515A
    • 2013-07-18
    • JP2011290401
    • 2011-12-29
    • Dow Corning Toray Co Ltd東レ・ダウコーニング株式会社Dow Corning Korea Ltdダウ コーニング コリア株式会社Dow Corning Korea Ltd.
    • MIZUNO HARUNAHORI SEIJIYAMADA TAKATERUKWON MIN-HEE
    • C09J183/05B32B27/00C09J7/02C09J183/07
    • PROBLEM TO BE SOLVED: To provide a hydrosilylation reaction-curable silicone-based pressure-sensitive adhesive composition having favorable adhesiveness to a sheet-like substrate such as a plastic film, particularly to a heat-resistant plastic film substrate; and a laminate in which the silicone-based pressure-sensitive adhesive layer is adhered favorably to the sheet-like substrate.SOLUTION: This hydrosilylation reaction-curable silicone-based pressure-sensitive adhesive composition includes: (A) an organopolysiloxane resin comprising RSiOunits and SiOunits; (B) a linear diorganopolysiloxane having at least two 2-10C alkenyl groups bonded to silicon atoms in a molecule; (C) an organohydrogenpolysiloxane expressed by average siloxane unit formula: (RSiO)(RHSiO)(RSiO)(RSiO); and (D) a hydrosilylation catalyst, where in the formula, Ris a monovalent hydrocarbon group; k is a number of (2+n) in average; l is a number in a range of 100-500 in average; m and n are numbers of 0 or greater in average; and relations 0.8≤l/(k+l+m+n)≤1 and 100≤(k+l+m+n)≤500 are satisfied. The laminate is equipped with a sheet-like substrate and a silicone-based pressure-sensitive adhesive layer made by curing the hydrosilylation reaction-curable silicone-based pressure-sensitive adhesive composition on the sheet-like substrate.
    • 要解决的问题:提供对片状基材例如塑料薄膜,特别是耐热塑料薄膜基材具有良好粘合性的氢化硅烷化反应固化的硅氧烷基粘合剂组合物; 以及层叠体,其中硅氧烷类粘合剂层有利地粘附到片状基材上。溶解性:该氢化硅烷化反应固化型硅氧烷类压敏粘合剂组合物包括:(A)包含RSiOunits和 二氧化碳 (B)在分子中具有至少两个与硅原子键合的2-10C烯基的线性二有机聚硅氧烷; (C)由平均硅氧烷单元式表示的有机氢聚硅氧烷:(RSiO)(RHSiO)(RSiO)(RSiO); 和(D)氢化硅烷化催化剂,其中在式中,R 1是单价烃基; k是平均数(2 + n)个数; l是平均100-500的数字; m和n平均为0或更大的数字; 并且满足关系0.8≤l/(k + 1 + m + n)≤1和100≤(k + 1 + m + n)≤500。 该层叠体配备有片状基材和通过在片状基材上固化氢化硅烷化反应固化型硅氧烷类压敏粘合剂组合物而制成的硅氧烷类压敏粘合剂层。