ADHESIVE SHEET, ADHESIVE SHEET WITH RELEASE SHEET, AND METHOD FOR PRODUCING LAMINATE
The present invention addresses the problem of providing an adhesive sheet having excellent step followability and durability and having low water vapor permeability. The present invention relates to an adhesive sheet which is formed by heating and drying an adhesive composition containing a solvent...
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Format | Patent |
Language | Chinese English |
Published |
21.12.2021
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Abstract | The present invention addresses the problem of providing an adhesive sheet having excellent step followability and durability and having low water vapor permeability. The present invention relates to an adhesive sheet which is formed by heating and drying an adhesive composition containing a solvent and an olefin-based polymer, wherein the gel fraction of the adhesive sheet is less than 2%, the adhesive sheet has active energy ray curability, and the adhesive sheet has a relative permittivity, at 23 DEG C and 1 MHz, of less than 2.8 after being irradiated with active energy rays under the condition that an integrated light amount reaches 1500 mJ/cm2.
本发明的课题在于提供一种阶差追随性及耐久性优异、且水蒸气透过率低的粘着片。本发明涉及一种粘着片,所述粘着片是使包含溶剂与烯烃系聚合物的粘着剂组合物热干燥而成,其中粘着片的凝胶分率小于2%,粘着片具有活性能量线硬化性,在对粘着片以使累计光量成为1500mJ/cm2的条件的方式照射活性能量线后,23℃且1MHz下的相对介电常数小于2.8。 |
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AbstractList | The present invention addresses the problem of providing an adhesive sheet having excellent step followability and durability and having low water vapor permeability. The present invention relates to an adhesive sheet which is formed by heating and drying an adhesive composition containing a solvent and an olefin-based polymer, wherein the gel fraction of the adhesive sheet is less than 2%, the adhesive sheet has active energy ray curability, and the adhesive sheet has a relative permittivity, at 23 DEG C and 1 MHz, of less than 2.8 after being irradiated with active energy rays under the condition that an integrated light amount reaches 1500 mJ/cm2.
本发明的课题在于提供一种阶差追随性及耐久性优异、且水蒸气透过率低的粘着片。本发明涉及一种粘着片,所述粘着片是使包含溶剂与烯烃系聚合物的粘着剂组合物热干燥而成,其中粘着片的凝胶分率小于2%,粘着片具有活性能量线硬化性,在对粘着片以使累计光量成为1500mJ/cm2的条件的方式照射活性能量线后,23℃且1MHz下的相对介电常数小于2.8。 |
Author | SEGUCHI SEIJI ASAO MACHI KURODA DAISUKE SHIMIZU JIRO |
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DocumentTitleAlternate | 粘着片、带剥离片的粘着片以及层叠体的制造方法 |
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Snippet | The present invention addresses the problem of providing an adhesive sheet having excellent step followability and durability and having low water vapor... |
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SubjectTerms | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES |
Title | ADHESIVE SHEET, ADHESIVE SHEET WITH RELEASE SHEET, AND METHOD FOR PRODUCING LAMINATE |
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