KR101937650B1 - 열박리형 전도성 점착층을 포함하는 전자파 차폐 시트 - Google Patents
열박리형 전도성 점착층을 포함하는 전자파 차폐 시트 Download PDFInfo
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- KR101937650B1 KR101937650B1 KR1020170047176A KR20170047176A KR101937650B1 KR 101937650 B1 KR101937650 B1 KR 101937650B1 KR 1020170047176 A KR1020170047176 A KR 1020170047176A KR 20170047176 A KR20170047176 A KR 20170047176A KR 101937650 B1 KR101937650 B1 KR 101937650B1
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- UOMUPDCRXJLVGR-UHFFFAOYSA-N propane-1,2,2-triol Chemical compound CC(O)(O)CO UOMUPDCRXJLVGR-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- 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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
본 발명의 전자파 차폐 시트는 본 발명의 전자파 차폐 시트는 전자파 차폐 효과 및 접착력이 매우 우수하고, 임의의 시기에 용이하게 박리할 수 있고, 박리 시 피착재의 오염을 억제 또는 방지할 수 있는 이점이 있다.
Description
항목 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 |
점착력 (gf/25mm) |
990 | 950 | 910 | 980 |
박리성 | ○ | ○ | ○ | × |
전기저항 (Ω) |
0.01 | 0.01 | 0.01 | 0.01 |
Claims (6)
- 탄소수 1~20의 알킬기를 가지는 (메타)아크릴산 에스테르계 단량체 70 내지 99중량부, 상기 단량체와 공중합이 가능한 극성 단량체 1 내지 30 중량부를 포함하는 단량체를 부분 중합시켜서 제조된 수지 시럽 100 중량부에, 열팽창성 미소구 15 내지 75중량부, 전도성 입자 3 내지 10 중량부, 첨가제 1 내지 5 중량부, 광개시제 0.01 내지 10중량부를 포함하는 점착 조성물을 자외선 경화시켜 얻은 점착층;
상기 점착층의 어느 일 면에 형성된 이형층; 및
상기 점착층의 다른 일면에 형성된 전자파 차폐층;으로 구성되고,
상기 전자파 차폐층은, 무전해 도금 방법에 의해 제조된 전자파 차폐 섬유이며,
상기 열팽창성 미소구는, 탄성을 갖는 껍데기 내에 열팽창성 물질이 내포되어 있는 미소구로써, 상기 열팽창성 물질은 프로판, 프로필렌, 부텐, 노르말부탄, 이소부탄, 이소펜탄, 네오펜탄, 노르말펜탄, 노르말헥산, 이소헥산, 헵탄 및 옥탄으로 구성된 군에서 선택된 1종의 물질이고, 상기 껍데기는 니트릴 단량체, 스티렌 단량체 및 아미드 단량체로 구성된 군에서 선택된 화합물의 단독중합체 혹은 공중합체이고,
상기 점착층 및 피착재가 가열에 의해 서로 박리 가능한 열박리형 전자파 차폐 시트. - 삭제
- 삭제
- 탄소수 1~20의 알킬기를 가지는 (메타)아크릴산 에스테르계 단량체, 상기 단량체와 공중합이 가능한 극성 단량체, 광개시제를 포함하는 단량체를 질소 분위기 하에서 자외선을 조사하여 시럽 상태의 예비중합체를 제조하는 단계;
상기 시럽에 열팽창성 미소구, 첨가제, 전도성 입자, 광개시제를 첨가한 후 교반하여 점착제 조성물 제조하는 단계;
이형 필름의 어느 일 면에 상기 교반된 점착제 조성물을 도포하여 점착층을 형성하는 단계;
상기 점착층 상에 전자파 차폐 섬유를 합지하는 단계;
유브이 존(UV-Zone)을 통과시키며 점착성 수지 조성물을 경화시키는 단계;를 포함하고,
상기 열팽창성 미소구는, 탄성을 갖는 껍데기 내에 열팽창성 물질이 내포되어 있는 미소구로써, 상기 열팽창성 물질은 프로판, 프로필렌, 부텐, 노르말부탄, 이소부탄, 이소펜탄, 네오펜탄, 노르말펜탄, 노르말헥산, 이소헥산, 헵탄 및 옥탄으로 구성된 군에서 선택된 1종의 물질이고, 상기 껍데기는 니트릴 단량체, 스티렌 단량체 및 아미드 단량체로 구성된 군에서 선택된 화합물의 단독중합체 혹은 공중합체이고,
상기 유브이 존은 3~7단계를 가지고, UV-광원이 LED-Bulb-LED의 순으로 배치되어 있으며, 상기 LED의 출력량은 7,000~9,000W, Bulb의 출력량은 50~200W인 것을 특징으로 하는 열박리형 전자파 차폐 시트의 제조방법.
- 삭제
- 삭제
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