KR970016642A - 압감성 접착 시트 - Google Patents

압감성 접착 시트 Download PDF

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Publication number
KR970016642A
KR970016642A KR1019960041970A KR19960041970A KR970016642A KR 970016642 A KR970016642 A KR 970016642A KR 1019960041970 A KR1019960041970 A KR 1019960041970A KR 19960041970 A KR19960041970 A KR 19960041970A KR 970016642 A KR970016642 A KR 970016642A
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KR
South Korea
Prior art keywords
sensitive adhesive
pressure sensitive
layer
adhesive sheet
adhesive layer
Prior art date
Application number
KR1019960041970A
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English (en)
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KR100382846B1 (ko
Inventor
순페이 와타나베
다카시 스즈키
슈이치로 이케다
Original Assignee
쇼지 고메이
린테크 가부시키가이샤
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17529902&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR970016642(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 쇼지 고메이, 린테크 가부시키가이샤 filed Critical 쇼지 고메이
Publication of KR970016642A publication Critical patent/KR970016642A/ko
Application granted granted Critical
Publication of KR100382846B1 publication Critical patent/KR100382846B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • 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
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
    • Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 기재층의 수축 등에 의해 발생하는 응력을 완화시키고, 응력 집중을 경감시키며, 특히 액정 셀의 백화(white marking) 및 색의 불균일을 억제하는 압감성 접착 시트에 관한 것으로서, 본 발명의 압감성 접착시트(1A)는 액정 셀에 접착시켜 사용되는 것이며, 편광판을 구성하는 기재층(2)의 한쪽 면에 압감성 접착제 층(3)이 접착되고, 또한 압감성 접착제 층(3)의 기재층(2)과 반대측의 면에 이형 시트(4)가 접착되어 있는 구조로 구성된다. 상기 압감성 접착제 층(3)을 구성하는 압감성 접착제의 주 중합체로서는, 예를 들면 아크릴계 중합체를 사용하며, 그 중량평균 분자량은 600,000 내지 2,000,000 정도이다. 또한, 압감성 접착제층(3) 중에는 가소제가 첨가되어 있다.
대표도 : 제1도

Description

압감성 접착 시트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 압감성 접착 시트의 제1실시태양을 제시한 단면도이다.

Claims (5)

  1. 기재층 ; 및 압감성 접착제 조성물 및 가소제를 함유하는 압감성 접착제층을 포함하는 압감성 접착 시트로서, 상기 압감성 접착제 층은, 압감성 조성물의 주 중합체의 중량 평균 분자량이 600,000 내지 2,000,000인 것으로 특징으로 하는 압감성 접착 시트.
  2. 제1항에 있어서, 상기 압감성 접착제 층의 전단 탄성률이 4.0×105내지 2.0×106[dyn/㎠]인 압감성 접착 시트.
  3. 제1항에 있어서, 상기 압감성 접착제 층의 100초 후의 완화 탄성률 G(100)가 1.0×105내지 6.0×105[dyn/㎠]인 압감성 접착 시트.
  4. 제1항에 있어서, 상기 가소제의 첨가량이, 압감성 접착제 조성물 100중량부에 대해 0.1 내지 60중량부인 압감성 접착 시트.
  5. 제1항에 있어서, 상기 기재층이 판상의 광학 부품인 압감성 접착 시트.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960041970A 1995-09-27 1996-09-24 감압성접착시트 KR100382846B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27358995A JP3272921B2 (ja) 1995-09-27 1995-09-27 粘着シート
JP95-273589 1995-09-27

Publications (2)

Publication Number Publication Date
KR970016642A true KR970016642A (ko) 1997-04-28
KR100382846B1 KR100382846B1 (ko) 2003-07-07

Family

ID=17529902

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960041970A KR100382846B1 (ko) 1995-09-27 1996-09-24 감압성접착시트

Country Status (4)

Country Link
US (1) US5795650A (ko)
JP (1) JP3272921B2 (ko)
KR (1) KR100382846B1 (ko)
SG (1) SG43403A1 (ko)

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Also Published As

Publication number Publication date
SG43403A1 (en) 1997-10-17
US5795650A (en) 1998-08-18
JPH0987593A (ja) 1997-03-31
KR100382846B1 (ko) 2003-07-07
JP3272921B2 (ja) 2002-04-08

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