Packaging tape adhesive composition and packaging tape containing it

October 21, 2021

Patent Name Packaging Tape Adhesive Composition and Packaging Tape Containing It Patent Applicant Creighton Polymers Research Inc. Principal Applicant Address Amsterdam, Netherlands Inventor Karel H. Leferlar; Helter E. A · Vermuccinich; Vigit · M · L · C · van der Fliet application (patent) No. 200380109404.4 Application date 2003.12.18 certification date certification announcement number 1745155 certification announcement date 2006.03.08 Manual CD-ROM D0610 -1 Main Classification No. C09J153/02(2006.01) I Classification No. C09J153/02(2006.01)I;C08L53/02(2006.01)I;C08F297/04(2006.01)I;C09J7/02(2006.01)I Partition Original Application No. Priority item 2002.12.19 EP 02028464.2 Abstract The present invention relates to a packaging tape adhesive composition for use in a carton sealing tape, comprising: a linear tetrablock copolymer SISI', which can respectively pass mainly styrene Complete sequential polymerization and a total sequential polymerization of predominantly isoprene, having an apparent molecular weight between 205,000 and 225,000, and wherein both of the two main poly(styrene) blocks have 10,000 to 12,000 views The molecular weight, wherein the intermediate SI diblock copolymer has an apparent molecular weight of between 130,000 and 185,000, wherein the intermediate SIS triblock copolymer has an apparent molecular weight of between 145,000 and 195,000, and wherein The poly(styrene) content is between 14 to 16% by weight; and the at least one tackifying resin is present in an amount of 50 to 150 parts by weight per 100 parts by weight of the block copolymer; it is also related to the packaging tape. A packaging tape for a cardboard seal obtained from an adhesive composition; a linear tetrablock copolymer for producing the packaging tape adhesive composition; and a method for manufacturing an adhesive composition containing the packaging tape The method of granules. Sovereignty item 1, a packaging tape adhesive composition for a carton sealing tape, comprising: a linear tetrablock copolymer SISI', which can pass through a total sequential polymerization reaction mainly of styrene and mainly Full sequential polymerization of isoprene was obtained with an apparent molecular weight between 205,000 and 225,000, and two of the blocks, mainly poly(styrene), each had an apparent molecular weight of 10,000 to 12,000, wherein The intermediate SI diblock copolymers have an apparent molecular weight of between 130,000 and 185,000, wherein the intermediate SIS triblock copolymers have an apparent molecular weight of between 145,000 and 195,000, and wherein The poly(styrene) content is between 14 and 16% by weight, at least one tackifying resin in an amount of 50 to 150 parts by weight per 100 parts by weight of the block copolymer, optionally a naphthenic oil or Paraffin oil in an amount of 0 to 50 parts by weight per 100 parts by weight of the block copolymer, and optionally an antioxidant and/or other auxiliaries in an amount of 0.1 per 100 parts by weight of the block copolymer To 10 parts by weight. International Application 2003-12-18 PCT/EP2003/051054 International Publication 2004-07-08 WO2004/056935 English

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