JP7387111B2 - 両面の粘着特性が相違する無基材粘着テープ及びその製造方法 - Google Patents
両面の粘着特性が相違する無基材粘着テープ及びその製造方法 Download PDFInfo
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- JP7387111B2 JP7387111B2 JP2022022744A JP2022022744A JP7387111B2 JP 7387111 B2 JP7387111 B2 JP 7387111B2 JP 2022022744 A JP2022022744 A JP 2022022744A JP 2022022744 A JP2022022744 A JP 2022022744A JP 7387111 B2 JP7387111 B2 JP 7387111B2
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- adhesive
- adhesive layer
- silicone
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- layer
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
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- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
- C09J2301/1242—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape the opposite adhesive layers being different
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Description
第1粘着層と、第2粘着層と、上記第1粘着層及び第2粘着層の間に介在するプライマーコーティング層と、を含み、上記第1粘着層はシリコン粘着層である両面の粘着特性が相違する無基材粘着テープを提供する。
第1離型フィルムに第1粘着層を塗布して硬化させるステップと、上記第1粘着層上にプライマーコーティング層を塗布して硬化させるステップと、第2離型フィルムに第2粘着層を塗布して硬化させるステップと、上記プライマーコーティング層及び第2粘着層を積層させるステップと、を含む両面の粘着特性が相違する無基材粘着テープの製造方法を提供する。
第1離型フィルムに第1粘着層を塗布して硬化させるステップと、上記第1粘着層上にプライマーコーティング層を塗布して硬化させるステップと、第2離型フィルムに第2粘着層を塗布して硬化させるステップと、上記プライマーコーティング層及び第2粘着層を積層させるステップと、を含み、上記第1粘着層はシリコン粘着層である両面の粘着特性が相違する無基材粘着テープの製造方法を提供する。
200:第1粘着層
300:プライマーコーティング層
400:第2粘着層
500:第2離型フィルム
Claims (14)
- 第1離型フィルムに第1粘着層を塗布して硬化させるステップと、
前記第1粘着層上にプライマーコーティング層を塗布して硬化させるステップと、
第2離型フィルムに第2粘着層を塗布して硬化させるステップと、
前記プライマーコーティング層及び第2粘着層を積層させるステップと、を含み、
前記第1粘着層はシリコン粘着層である
ことを特徴とする両面の粘着特性が相違する無基材粘着テープの製造方法。 - 請求項1に記載の両面の粘着特性が相違する無基材粘着テープの製造方法によって製造される両面の粘着特性が相違する無基材粘着テープであって、
第1粘着層と第2粘着層とには、硬化剤が含まれ、
第1粘着層と、
第2粘着層と、
前記第1粘着層及び第2粘着層の間に介在するプライマーコーティング層と、を含み、
前記第1粘着層はシリコン粘着層である
ことを特徴とする両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコン粘着層はシリコンガム(gum)、シリコンレジン(resin)及びこれらの組み合わせからなる群より選択される物質を含むものである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコンガム(gum)はフェニル基、アミノ基、ヒドロキシ基、メルカプト基又はカルボキシ基より選択される1つ以上の官能基を持つオルガノポリシロキサン(organopolysiloxane)、ビニル基を持つポリシロキサン、ビニル基を持つメチルポリシロキサン、ビニル基を持つポリジメチルシロキサン及びこれらの組み合わせからなる群より選択される物質を含むものである
請求項3に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコンレジン(resin)はM単位(R3SiO1/2)、Q単位(SiO2)、T単位(RSiO3/2)、D単位(R2SiO)及びこれらの組み合わせからなる群より選択される1種以上の単位を有するオルガノポリシロキサン(organopolysiloxane)である
請求項3に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコン粘着層は粘着付与剤(tackifier)、密着向上剤(anchorage)及びこれらの組み合わせからなる群より選択される物質をさらに含むものである
請求項3に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコン粘着層の厚さは1μm乃至1,000μmである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記シリコン粘着層の粘着力は1gf/in乃至2,000gf/inである
請求項3に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記第2粘着層はアクリル系粘着剤、ウレタン系粘着剤、ゴム系粘着剤、エポキシ系粘着剤及びこれらの組み合わせからなる群より選択される粘着剤を含むものである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記アクリル系粘着剤は炭素数2乃至18の(メタ)アクリル酸アルキルエステル(methacrylic acid alkylester)を含むアクリル共重合体である
請求項9に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記第2粘着層の厚さは1μm乃至1,000μmである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記第2粘着層の粘着力は10gf/in乃至5,000gf/inである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記プライマーコーティング層は、前記シリコン粘着層にカルボキシ基及びヒドロキシ基を持つアクリル系樹脂、ウレタン系樹脂、エポキシ系樹脂、シリコン系樹脂、ゴム系樹脂、シリコン変性樹脂及びこれらの組み合わせからなる群より選択される物質をコーティングさせて形成されたものである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。 - 前記プライマーコーティング層の厚さは0.1μm乃至50μmである
請求項2に記載の両面の粘着特性が相違する無基材粘着テープ。
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JP2019123853A (ja) | 2018-01-18 | 2019-07-25 | 王子ホールディングス株式会社 | 両面粘着シートおよび剥離シート付き両面粘着シート |
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