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    • 2. 发明专利
    • Adhesive sheet
    • 粘合片
    • JP2012077213A
    • 2012-04-19
    • JP2010224163
    • 2010-10-01
    • Nitto Denko Corp日東電工株式会社
    • WADA HIROSHITAKAHASHI AKIKONISHIYAMA NAOYUKI
    • C09J7/02C09J133/00
    • C09J7/401C09J7/385C09J2433/00C09J2483/005Y10T428/1476
    • PROBLEM TO BE SOLVED: To provide an adhesive sheet, reduced in an emission amount of volatile organic compounds (VOCs), effectively displaying that the sheet meets such low VOC specifications, and excellent in adhesion characteristics, and to provide an adhesive sheet reduced in an emission amount of toluene and TVOC, and excellent in adhesion characteristics.SOLUTION: This adhesive sheet 1 is provided with a release liner 17 having on at least a first side thereof a release layer composed of a silicone-based release agent, and an adhesive layer 15 provided on the release layer and containing an acrylic polymer synthesized in ethyl acetate as an adhesive component thereof. The release layer has an amount of silicone that transfers to a single-sided adhesive tape of 10 kcps or less per unit surface area equivalent to a circle having a diameter of 30 mm when determined as X-ray intensity of silicon by X-ray fluorescence analysis. A mark 16 of a color selected from green and blue is displayed on the back of the adhesive sheet 1.
    • 要解决的问题:为了提供减少挥发性有机化合物(VOC)排放量的粘合片,有效地显示出片材满足这种低VOC规格并且具有优异的粘附特性,并且提供粘合片 降低了甲苯和TVOC的排放量,粘附性优异。 解决方案:该粘合片1设置有剥离衬垫17,剥离衬垫17至少在其第一侧上具有由硅氧烷基剥离剂构成的剥离层,以及设置在剥离层上并含有丙烯酸类的粘合剂层15 在乙酸乙酯中合成的聚合物作为其粘合剂组分。 当通过X射线荧光测定为硅的X射线强度时,释放层具有一定量的硅酮,其转移到单位表面积相当于直径为30mm的圆的单位表面积为10kcps以下的单面胶带 分析。 选自绿色和蓝色的标记16显示在粘合片1的背面。版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Pressure-sensitive adhesive product
    • 压敏胶粘剂产品
    • JP2011190456A
    • 2011-09-29
    • JP2011114085
    • 2011-05-20
    • Nitto Denko Corp日東電工株式会社
    • WADA HIROSHITAKAHASHI AKIKO
    • C09J7/02B32B27/00C09J201/00
    • PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive product having specifications (low VOC specifications) such that the amount of volatile organic compounds has been reduced and effectively displaying those specifications. SOLUTION: The pressure-sensitive adhesive product 1 includes a pressure-sensitive adhesive layer 10 having an adhesive surface 10A attachable to an adherend and a support sheet 17 disposed on the back surface 10B of the pressure-sensitive adhesive layer. In the pressure-sensitive adhesive layer 10, a diffusion amount of toluene per 1 g of the layer is 20 μg or less and the total amount of volatile organic compounds is 300 μg or less. The back surface 17B of the support sheet 17 has a mark 16 in a color selected from green and blue. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有规格(低VOC规格)的压敏粘合剂产品,使得挥发性有机化合物的量已被减少并且有效地显示了这些规格。 解决方案:压敏粘合剂产品1包括具有粘合表面10A可粘附到被粘物上的粘合剂层10和设置在压敏粘合剂层的背面10B上的支撑片17。 在粘合剂层10中,每1g层的甲苯的扩散量为20μg以下,挥发性有机化合物的总量为300μg以下。 支撑片17的背面17B具有从绿色和蓝色选择的颜色的标记16。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Pressure-sensitive adhesive sheets
    • 压敏粘合片
    • JP2006111818A
    • 2006-04-27
    • JP2004303090
    • 2004-10-18
    • Nitto Denko Corp日東電工株式会社
    • TAKAHASHI AKIKOWADA HIROSHINAITO TOMOYA
    • C09J7/02C09J133/00
    • C09J133/02C08L2666/02C09J7/385Y10T428/1452Y10T428/1457Y10T428/24959Y10T428/269Y10T428/2848Y10T428/2891Y10T428/31895Y10T442/675
    • PROBLEM TO BE SOLVED: To provide pressure-sensitive adhesive sheets that have high adhesion and excellent terminal end-peeling prevention with extremely reduced diffusion of formaldehyde and toluene. SOLUTION: The pressure-sensitive adhesive sheets have at least a pressure-sensitive adhesive layer made by a water-dispersion type acrylic pressure-sensitive adhesive including a water-dispersion type acrylic polymer and an emulsion including a tackifying resin wherein the diffusion of formaldehyde is less than 3 μg/m 3 and that of toluene is less 10 μg/g. As an emulsion including the tackifier resin, an emulsion including a tackifier resin that is prepared substantially in no need of organic solvent or an emulsion including a tackifying resin that is prepared by using materials other than aromatic hydrocarbon organic solvents are suitably used. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有高粘合性和优异的末端脱胶防止性的压敏粘合片,其极大降低甲醛和甲苯的扩散。 解决方案:压敏粘合片至少具有由包含水分散型丙烯酸类聚合物的水分散型丙烯酸类压敏粘合剂和包含增粘树脂的乳液制成的压敏粘合剂层,其中扩散 的甲醛小于3μg/ m 3,而甲苯少于10μg/ g。 作为包含增粘树脂的乳液,适当地使用包含基本上不需要有机溶剂的增粘树脂的乳液或包含通过使用除了芳香族烃有机溶剂以外的材料制备的增粘树脂的乳液。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • 粘着シート、電子機器部材積層体及び光学部材積層体
    • 压敏粘合片,电子设备成员层压板和光学部件层压板
    • JP2015057495A
    • 2015-03-26
    • JP2014229392
    • 2014-11-12
    • 日東電工株式会社Nitto Denko Corp
    • SATO MASAAKISOEDA YOSHIKAZUWADA HIROSHI
    • C09J7/02C09J133/00
    • 【課題】薄くても、加工性及び凹凸追従性を備える粘着シートの提供。【解決手段】厚さが2.0μm未満のプラスチック基材の両面側にアクリル系粘着剤層を有する粘着シートであり、一方のアクリル系粘着剤層Aと接するようにセパレータAが設けられ、他方のアクリル系粘着剤層Bと接するようにセパレータBが設けられ、セパレータAがプラスチック基材の少なくとも片面側にシリコーン系剥離剤からなる剥離層を有するセパレータであり、セパレータBがプラスチック基材の少なくとも片面側にシリコーン系剥離剤からなる剥離層を有するセパレータであり、セパレータBのアクリル系粘着剤層Bに対する剥離力とセパレータAのアクリル系粘着剤層Aに対する剥離力との差が0.01N/50mm以上である粘着シート。【選択図】なし
    • 要解决的问题:提供一种具有可加工性和不均匀性依从性的压敏粘合片,同时薄。粘合片在塑料基材的两侧均包含小于2.0μm厚的丙烯酸粘合剂层。 分离器A设置成与一个丙烯酸粘合剂层A接触。隔离物B设置成与另一个丙烯酸粘合剂层B接触。隔离物A具有至少一个基于硅氧烷的脱模剂制成的脱模层 塑料基材的一侧。 隔板B在塑料基板的至少一侧具有由硅酮类防粘剂构成的剥离层。 隔板B对丙烯酸系粘合剂层B的剥离力与隔板A对丙烯酸系粘合剂层A的剥离力的差为0.01N / 50mm以上。
    • 7. 发明专利
    • Adhesive sheet
    • 粘合片
    • JP2012077211A
    • 2012-04-19
    • JP2010224161
    • 2010-10-01
    • Nitto Denko Corp日東電工株式会社
    • WADA HIROSHITAKAHASHI AKIKONISHIYAMA NAOYUKI
    • C09J7/02C09J133/06
    • C09J7/401C09J7/385C09J2433/00C09J2483/005Y10T428/1476
    • PROBLEM TO BE SOLVED: To provide an adhesive sheet provided with a non-toluene-based adhesive layer, and excellent in self-bonding properties.SOLUTION: This adhesive sheet 8 is provided with a release liner 87 having on at least a first side thereof a release layer composed of a silicone-based release agent, and an adhesive layer 85 provided on the release layer. An adhesive composition that composes the adhesive layer 85 contains a water-dispersed acrylic polymer and a tackifier resin emulsion prepared without using an organic solvent. The release layer has an amount of silicone that transfers to a single-sided adhesive tape of 10 kcps or less per unit surface area equivalent to a circle having a diameter of 30 mm when determined as X-ray intensity of silicon by X-ray fluorescence analysis.
    • 要解决的问题:提供一种设置有非甲苯系粘合剂层的粘合片,并且自粘性优异。 解决方案:该粘合片8设置有剥离衬垫87,剥离衬垫87至少在其第一侧上具有由硅氧烷基脱模剂构成的剥离层和设置在剥离层上的粘合剂层85。 组成粘合剂层85的粘合剂组合物含有水分散的丙烯酸聚合物和不使用有机溶剂制备的增粘树脂乳液。 当通过X射线荧光测定为硅的X射线强度时,释放层具有一定量的硅酮,其转移到单位表面积相当于直径为30mm的圆的单位表面积为10kcps以下的单面胶带 分析。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Adhesive tape or sheet
    • 胶带或薄片
    • JP2011214010A
    • 2011-10-27
    • JP2011157259
    • 2011-07-16
    • Nitto Denko Corp日東電工株式会社
    • YOKOYAMA JUNJITAMAI HIRONOBUSOEDA YOSHIKAZUIKEDA KOICHIWADA HIROSHIGOTO YOICHIRO
    • C09J7/02C09J201/00
    • PROBLEM TO BE SOLVED: To provide an adhesive tape or sheet capable of exhibiting non-electrical conductivity or low electrical conductivity while having light-shielding property.SOLUTION: In the adhesive tape or sheet: transmittance is 0.3 (%) or lower; reflectance on at least one surface is lower than 60 (%); and at least either side of the surface having the reflectance of
    • 要解决的问题:提供能够具有非导电性或低导电性的粘合带或片材,同时具有遮光性。解决方案:在胶带或片材中:透射率为0.3(%)或更低; 至少一个表面的反射率低于60(%); 并且反射率<60(%)的表面的至少任一侧的电阻率为10(Ω/ sq。)以上。 胶带或片材具有特定的层结构(A1) - (A7),(B1) - (B8),(C1) - (C5)或(D1) - (D9)。 具体的层结构是例如由透明基材,一个或多个遮光层和透明粘合剂层组成的层结构(A1) 由透明基材,一个或多个反射层,一个或多个遮光层和透明粘合剂层组成的层结构(B1) 由透明基材,一个或多个遮光层,透明基材和透明粘合剂层构成的层结构(C1) 由透明基材,一个或多个反射层,一个或多个遮光层,透明基材和透明粘合剂层组成的层结构(D1) 等等。
    • 9. 发明专利
    • Method for easy-to-dismantle adhesion, and self-adhesive material therefor, and method for producing the self-adhesive material
    • 用于易于粘合的粘合剂的方法及其自粘性材料以及自粘材料的制造方法
    • JP2011137162A
    • 2011-07-14
    • JP2011020888
    • 2011-02-02
    • Nitto Denko Corp日東電工株式会社
    • MIKURA CHIEMIWADA HIROSHIWAKABAYASHI TORU
    • C09J7/00C09J5/00C09J133/08C09J133/10
    • PROBLEM TO BE SOLVED: To provide a method for such adhesion that articles are firmly fixedly bonded to each other followed by being left to stand for a defined period and then enabling the bond to be easily dismantled, and to provide an easy-to-be-dismantled self-adhesive material usable for the bonding/dismantling treatment(s).
      SOLUTION: The method for easy-to-dismantle adhesion is such that: in making a bonding treatment between adherends 1 and 3 to each other via a self-adhesive material composed of a superimposed form of two or more self-adhesive layers 21 and 22 differing in adhesive force from each other, the self-adhesive layer(s) with lower adhesive force disposed on one or both sides of the self-adhesive material is bonded onto the surface of the to-be-peeled adherend 1 or 3. The easy-to-be-dismantled self-adhesive material is such that one or both sides of a higher-self-adhesive layer with an adhesive force of 600 g/20 mm or higher and a stress relaxation time of 800 s or shorter superimposedly firmly adhere(s) with lower-self-adhesive layer(s) with an adhesive force of 500 g/20 mm or lower. According to this method, adhesive deposite of the lower-self-adhesive layer(s) hardly occurs on the adherend(s) in making a dismantling operation.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供这样的粘合方法,使得制品彼此牢固地固定在一起,然后静置一段规定的时间,然后使粘结容易拆卸, 可拆卸的自粘材料可用于粘合/拆除处理。 解决方案:易于拆卸粘合的方法是这样的:在通过由两个或多个自粘层的叠加形式组成的自粘合材料之间进行粘合处理之间的粘合处理 21和22的粘合力彼此不同,在自粘材料的一面或两面上设置的具有较低粘合力的自粘层被粘合到待剥离被粘物1的表面上,或 易于拆卸的自粘材料使得粘合力为600g / 20mm以上并且应力松弛时间为800s的较高自粘层的一侧或两侧或 用500g / 20mm或更低的粘合力以较低的自粘层重叠地牢固地附着在一起。 根据该方法,在进行拆卸操作时,被粘物几乎不发生下自粘层的粘合剂沉积。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Double-sided adhesive tape and process for producing the same
    • 双面粘合胶带及其制造方法
    • JP2011093992A
    • 2011-05-12
    • JP2009247977
    • 2009-10-28
    • Nitto Denko Corp日東電工株式会社
    • WADA HIROSHISHIBATA KAZUHIKO
    • C09J7/02C09J11/08C09J133/00C09J175/04C09J201/00
    • C09J133/02C08F2800/20C09J7/21C09J7/38C09J2201/622C09J2400/263C09J2401/006C09J2433/00Y10T442/2754Y10T442/60
    • PROBLEM TO BE SOLVED: To provide a double-sided adhesive tape which enables suppression of deterioration of adhesive characteristics due to foaming of the surface of an adhesive, and occurrence of poor appearance, and is less likely to generate wrinkles in the case of taking up the tape and does not cause interlaminar fracture (delamination) upon peeling even after practical use during which heat history is loaded for a long time, and also which is less likely to be torn off or to generate adhesive residue upon peeling of the double-sided adhesive tape from one side of the adherend, and is excellent in peeling property; and a method for producing the same, particularly to provide a method for producing a double-sided adhesive tape, which causes neither generation of wrinkles nor cutting of a nonwoven fabric base material even when the adhesive is applied to the nonwoven fabric base material at a higher speed than in the case of the prior art, and also has improved productivity.
      SOLUTION: The double-sided adhesive tape includes a nonwoven fabric base material containing substantially no binder component and having a tensile strength in a longitudinal direction of 4.1-10.0 N/10 mm; and an adhesive layer provided on both surfaces of the nonwoven fabric base material; wherein the double-sided adhesive tape has an initial tensile strength in the longitudinal direction of ≥17.0 N/10 mm.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种双面胶带,其能够抑制由于粘合剂的表面的发泡引起的粘合剂特性的劣化,以及外观差的发生,并且在该情况下不太可能产生褶皱 卷取胶带,即使在长时间加载热历史的实际使用后也不会引起层间断裂(脱层),并且在剥离时不太可能被撕裂或产生粘合剂残留物 从被粘物一侧的双面胶带,剥离性优异; 及其制造方法,特别是提供一种双面胶带的制造方法,即使在将粘合剂涂布在无纺布基材上时也不会产生皱纹或切断无纺布基材 高于现有技术的速度,并且还具有提高的生产率。 解决方案:双面胶带包括基本上不含粘合剂组分并且在纵向具有4.1-10.0N / 10mm的拉伸强度的无纺布基材; 以及设置在无纺布基材的两面的粘合剂层; 其中双面胶带的纵向初始拉伸强度≥17.0N/ 10mm。 版权所有(C)2011,JPO&INPIT