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    • 1. 发明公开
    • RUBBER-BASED PRESSURE-SENSITIVE ADHESIVE HAVING LOW VOC CHARACTERISTICS
    • 橡胶基压敏胶粘剂具有低挥发性特性
    • EP3243886A1
    • 2017-11-15
    • EP16169516.8
    • 2016-05-13
    • 3M Innovative Properties Company
    • Bieber, PierreStegmaier, PetraMatzeit, NiklasOverbeck, JaninaGoeb, SiegfriedBeuer, ChristianMiesl, ChristianWilczewski, JuergenTekdemir, MehmetYilmaz, YuekselBalyk, AntonGusakov, SergejBuettner, JoernParys, ClaudiaKlünker, EikeSatrijo, Andrew
    • C09J7/02C09J153/02
    • C09J153/02C08L53/02C08L71/12C08L91/00C08L2205/02
    • The present disclosure relates to a pressure sensitive adhesive comprising:
      a) a multi-arm block copolymer of the formula Q n -Y, wherein:
      (i) Q represents an arm of the multi-arm block copolymer and each arm independently has the formula G-R,
      (ii) n represents the number of arms and is a whole number of at least 3, and
      (iii) Y is the residue of a multifunctional coupling agent,
      wherein each R is a rubbery block comprising a polymerized conjugated diene, a hydrogenated derivative of a polymerized conjugated diene, or combinations thereof; and each G is a glassy block comprising a polymerized monovinyl aromatic monomer;
      b) a polymeric plasticizer having a weight average molecular weight M w comprised between 10.000 and 100.000 g/mol;
      c) at least one hydrocarbon tackifier which is primarily compatible with the rubbery blocks;
      d) a glassy block compatible aromatic resin having a softening point value (RBSP) of at least 150°C, when measured by the ring and ball test method described in the experimental section; and
      e) optionally, a linear block copolymer of the formula L-(G) m , wherein L is a rubbery block comprising a polymerized olefin, a polymerized conjugated diene, a hydrogenated derivative of a polymerized conjugated diene, or any combinations thereof; and wherein m is 1 or 2.
      The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive and uses thereof.
    • 本发明涉及一种压敏粘合剂,其包含:a)式Qn-Y的多臂嵌段共聚物,其中:(i)Q表示多臂嵌段共聚物的臂,并且每个臂独立地具有式GR ,(ii)n表示臂的数目,并且是至少3的整数,并且(iii)Y是多官能偶联剂的残基,其中每个R是包含聚合的共轭二烯的橡胶状嵌段,氢化衍生物 的聚合的共轭二烯,或其组合; 并且每个G是包含聚合的单乙烯基芳族单体的玻璃状嵌段; b)重均分子量Mw介于10.000和100.000g / mol之间的聚合物增塑剂; c)至少一种主要与橡胶块相容的烃增粘剂; d)当通过实验部分中描述的环球试验方法测量时,软化点值(RBSP)为至少150℃的玻璃状嵌段相容性芳族树脂; 和e)任选地,式L-(G)m的线型嵌段共聚物,其中L为包含聚合烯烃,聚合共轭二烯,聚合共轭二烯的氢化衍生物或其任何组合的橡胶状嵌段; 并且其中m是1或2.本公开还涉及制造这种压敏粘合剂的方法及其用途。