KR20200051665A - 라디칼 반응성을 가지는 실리콘 엘라스토머 경화물 및 그 용도 - Google Patents
라디칼 반응성을 가지는 실리콘 엘라스토머 경화물 및 그 용도 Download PDFInfo
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Abstract
[해결 수단] (A) 경화 반응성기를 가지는 쇄상 오르가노폴리실록산, 임의로, (B) 오르가노하이드로젠폴리실록산, (C1) 경화제, 및 (D) 오르가노폴리실록산 레진을 함유하는 조성물을 경화시켜 이루어지며, 또한, 라디칼 반응성을 가지는 실리콘 엘라스토머 경화물 및 그 용도. 그 표면은 접착제 등에 대해 라디칼 반응성이며, 보호재로서 사용 후에는, 접착 테이프 등과 함께 용이하게 분리할 수 있다.
Description
도 2는, 실시예 10에 관한 실리콘 엘라스토머 경화물을 기판과 함께 다이싱했을 때의 기판 윗면의 광학 현미경 사진(실리콘층의 박리는 발생되지 않음: 평가 ○)
도 3은, 비교예 1에 관한 실리콘 겔을 기판과 함께 다이싱했을 때의 기판 윗면의 광학 현미경 사진(실리콘층의 박리가 발생되어 있음: 평가 Х)
도 4는, 비교예 2에 관한 실리콘 엘라스토머 경화물을 기판과 함께 다이싱했을 때의 기판 윗면의 광학 현미경 사진(실리콘층의 박리가 발생되어 있음: 평가 Х)
| 실시예 No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 성분 (A1-1) | |||||||
| 성분 (A1-2) | 62.98 | 56.73 | 52.19 | 50.53 | 46.11 | 41.49 | 40.89 |
| 성분 (A1-3) | 9.80 | ||||||
| 성분 (A1-4) | |||||||
| 성분 (A1-5) | |||||||
| 성분 (B1) | 5.94 | 5.45 | 5.09 | 6.75 | 6.27 | 6.24 | 5.71 |
| 성분 (B2) | |||||||
| 성분 (B3) | 0.88 | ||||||
| 인히비터 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.11 |
| 실리카 | 6.25 | 6.25 | 6.25 | 6.25 | 6.25 | 6.22 | 6.25 |
| 성분 (C1) | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| 성분 (C2) | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 1.99 | 2.00 |
| 성분 (D1) | 22.66 | 29.40 | 34.30 | 34.30 | 39.20 | 43.89 | 34.30 |
| 성분 (D2) | |||||||
| 성분 (D3) | |||||||
| SiH/Vi 비 | 0.9 | 0.9 | 0.9 | 1.2 | 1.2 | 1.3 | 1.2 |
| 압축률/% | 1.67 | 2.24 | 2.23 | 1.84 | 2.42 | 3.21 | 1.62 |
| 점착력/N | 0.59 | 0.60 | 0.67 | 0.91 | 1.22 | 1.36 | 0.91 |
| 80˚C 경화 후 저장 탄성률 23˚C (×104Pa) | 9.6 | 6.8 | 5.8 | 7.2 | 6.7 | 5.2 | 7.2 |
| 80˚C 경화 후 손실 정접 23˚C |
0.03 | 0.05 | 0.07 | 0.06 | 0.11 | 0.25 | 0.12 |
| 150˚C 경화 후 저장 탄성률 23˚C (×104Pa) | 11.2 | 9.7 | 7.8 | 9.1 | 8.6 | 8.0 | 9.2 |
| 150˚C 경화 후 손실 정접 23˚C |
0.03 | 0.04 | 0.07 | 0.06 | 0.12 | 0.29 | 0.11 |
| 다이싱 후의 박리 | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 실시예 No. | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 성분 (A1-1) | 28.90 | 26.05 | 22.72 | 19.38 | 12.72 | ||
| 성분 (A1-2) | 32.20 | 28.06 | |||||
| 성분 (A1-3) | 18.62 | ||||||
| 성분 (A1-4) | 17.78 | 17.70 | 21.64 | 26.25 | 30.87 | 40.12 | |
| 성분 (A1-5) | 7.18 | ||||||
| 성분 (B1) | 4.78 | 3.75 | |||||
| 성분 (B2) | |||||||
| 성분 (B3) | 1.68 | 0.51 | |||||
| 인히비터 | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 |
| 실리카 | 6.25 | 6.25 | 2.12 | 2.12 | 2.12 | 2.12 | 2.12 |
| 성분 (C1) | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| 성분 (C2) | 2.00 | 2.00 | 2.04 | 2.04 | 2.04 | 2.04 | 2.04 |
| 성분 (D1) | 34.30 | 34.30 | 34.28 | 30.00 | 25.00 | 20.00 | 10.00 |
| 성분 (D2) | 11.99 | 14.67 | 17.79 | 20.93 | 27.19 | ||
| 성분 (D3) | 2.79 | 3.31 | 3.90 | 4.47 | 5.62 | ||
| SiH/Vi 비 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| 압축률/% | 1.39 | 2.36 | 1.10 | 1.16 | 1.15 | 1.11 | 0.76 |
| 점착력/N | 0.95 | 1.01 | 1.77 | 1.39 | 0.93 | 0.74 | 0.31 |
| 80˚C 경화 후 저장 탄성률 23˚C (×104Pa) | 6.8 | 6.9 | 25 | 29 | 39 | 67 | 110 |
| 80˚C 경화 후손실 정접 23˚C | 0.13 | 0.10 | 0.27 | 0.26 | 0.25 | 0.25 | 0.21 |
| 150˚C 경화 후 저장 탄성률 23˚C (×104Pa) | 8.9 | 8.2 | 112 | 159 | 197 | 260 | 209 |
| 150˚C 경화 후 손실 정접 23˚C |
0.11 | 0.09 | 0.30 | 0.25 | 0.19 | 0.16 | 0.11 |
| 다이싱 후의 박리 | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 비교예 No. | 1 | 2 |
| 성분 (A1-1) | 1.967 | |
| 성분 (A1-2) | 79.19 | 83.16 |
| 성분 (A1-3) | ||
| 성분 (A1-4) | ||
| 성분 (A1-5) | ||
| 성분 (B1) | 10.29 | |
| 성분 (B2) | 9.091 | |
| 성분 (B3) | ||
| 인히비터 | 0.105 | 0.107 |
| 실리카 | 6.246 | 6.374 |
| 성분 (C1) | 0.068 | 0.069 |
| 성분 (C2) | 2.002 | |
| 성분 (D1) | ||
| 성분 (D2) | 1.333 | |
| 성분 (D3) | ||
| SiH/Vi 비 | 0.56 | 1.2 |
| 압축률/% | 3.27 | 1.32 |
| 점착력/N | 0.20 | 0.29 |
| 저장 탄성률 (×104Pa, 23˚C) |
2.8 | 12.8 |
| 손실 정접(23˚C) | 0.08 | 0.02 |
| 다이싱 후의 박리 | × | × |
| 물성 | 경화 조건 | |
| 80˚C | 80˚C+150˚C | |
| 인장 강도(MPa) | 0.6 | 0.5 |
| 파단 신장(%) | 302 | 208 |
| 인열 강도(N/mm) | 1.3 | 1.4 |
| 50% 모듈러스(MPa) | 0.09 | 0.11 |
| 물성 | 경화 조건 | |
| 80˚C | 80˚C+150˚C | |
| 인장 강도(MPa) | 3.3 | 3.3 |
| 파단 신장(%) | 294 | 75 |
| 인열 강도(N/mm) | 2.5 | 1.6 |
| 경도 | 21 | 50 |
| 50% 모듈러스(MPa) | 0.21 | 1.26 |
| 예 | 실시예 4 |
실시예 10 | 실시예 11 | 실시예 12 | 실시예 13 | 실시예 14 |
| 필 강도 N/m | 667 | 313 | 375 | 432 | 454 | 517 |
Claims (18)
- 이하의 성분:
(A) 한 분자 속에, 적어도 2개의 경화 반응성기를 가지는 쇄상 오르가노폴리실록산,
임의로, (B) 오르가노하이드로젠폴리실록산,
(C1) 상기 (A)성분 및 (B)성분의 경화제, 및
(D) (A)성분 100질량부에 대해 10~1000질량부의 오르가노폴리실록산 레진
을 함유하는 조성물을 경화시켜 이루어지며, 또한, 해당 경화물 속 또는 경화물 표면에 미반응 (C2) 라디칼 개시제를 가짐으로써, 라디칼 반응성을 가지는 실리콘 엘라스토머 경화물. - 제1항에 있어서,
실리콘 엘라스토머 경화물 표면이, 접착제 또는 점착제에 대해 라디칼 반응성을 가지고, 23˚C~100˚C에서, 해당 경화물의 손실 계수 tanδ가, 0.01~1.00의 범위에 있고, 저장 탄성률 G'가, 4.0Х104~5.0Х106Pa의 범위인 것을 특징으로 하는, 실리콘 엘라스토머 경화물. - 제1항 또는 제2항에 있어서,
(C1)성분이, 하이드로실릴화 반응 촉매 및 축합 촉매로부터 선택되는 1종 이상의 경화제이고,
(C2)성분이, 유기 과산화물을 함유하는 라디칼 개시제인, 실리콘 엘라스토머 경화물. - 제1항 내지 제3항 중 어느 한 항에 있어서,
(A)성분이, (A1) 한 분자 속에, 적어도 2개의 알케닐기를 가지는 직쇄상 또는 분기쇄상 오르가노폴리실록산이고,
(B)성분이, (B1) 한 분자 속에, 적어도 2개의 규소 원자 결합 수소 원자를 가지는 오르가노하이드로젠폴리실록산이고,
(C1)성분이, 하이드로실릴화 반응 촉매를 함유하는 경화 반응 촉매이고,
(C2)성분이, 알킬 과산화물이고,
(D)성분이, (D1) 트리오르가노실록시 단위(M단위), 디오르가노실록시 단위(D단위), 모노오르가노실록시 단위(T단위) 및 실록시 단위(Q단위) 중 임의의 조합으로 이루어지는 수지 형상 또는 망목 형상 오르가노폴리실록산 레진이고,
조성물 중의 (A)성분 속의 알케닐기 1몰에 대해, (B)성분 속의 규소 원자 결합 수소 원자가, 0.5몰 이상의 범위이고,
상기 (A1)~(D1)성분을 포함하는 경화성 실리콘 조성물을 경화하여 이루어지는 것을 특징으로 하는, 실리콘 엘라스토머 경화물. - 제1항 내지 제4항 중 어느 한 항에 있어서,
(D1)성분이, M단위 및 Q단위의 조합으로 이루어지고, Q단위에 대한 M단위의 몰비가 0.5~1.2의 범위에 있는 오르가노폴리실록산 레진인 것을 특징으로 하는, 실리콘 엘라스토머 경화물. - 제1항 내지 제5항 중 어느 한 항에 있어서,
(A)~(D)성분의 각 성분이, (C2)성분이 반응하지 않는 온도에서 경화되어 이루어지는, 실리콘 엘라스토머 경화물. - 제6항에 있어서,
(C2)성분이, 알킬 과산화물이고, 경화를 위한 온도가 100˚C 이하인, 실리콘 엘라스토머 경화물. - 제1항 내지 제7항 중 어느 한 항에 있어서,
다른 접착제 또는 점착제에 대해 라디칼 반응성을 가지는, 실리콘 엘라스토머 경화물. - 제1항 내지 제8항 중 어느 한 항에 있어서,
평균 두께가 5~500μm의 범위에 있는 필름 형상 또는 시트 형상의 형태인, 실리콘 엘라스토머 경화물. - 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물을 함유하는 적층체.
- 기재, 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물로 이루어진 층, 접착층 또는 점착층을 함유하여 이루어지고, 상기 실리콘 엘라스토머 경화물로 이루어진 층과 접착층 또는 점착층이 대향한 구조를 가지는, 적층체.
- 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물 및 상기 실리콘 엘라스토머 경화물로 이루어진 층의 적어도 한쪽 면에 대향한, 박리제층을 함유하는 적층체.
- 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물로 이루어진, 전자 부품용 보호재.
- 제10항 내지 제12항 중 어느 한 항에 기재된 적층체로서, 전자 부품의 제조에 이용하는 것.
- (L1) 기재,
(L2) 상기 기재 상에 적층된 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물, 및
(L3) 상기 실리콘 엘라스토머 경화물 상에, 접착층 또는 점착층을 통해 적층된 시트 형상 부재를 함유하는 적층체에 대하여, 실리콘 엘라스토머 경화물 및 접착층 또는 점착층의 라디칼 반응 후에, 시트 형상 부재, 접착층 또는 점착층과 함께 실리콘 엘라스토머 경화물을 (L1) 기재로부터 분리하는 것을 특징으로 하는 전자 부품의 제조 방법. - 제15항에 있어서, (L1) 기재가 전자 부품 또는 그 전구체이며, (I) 적층체에 대한 화학적 내지 물리적 처리를 행하는 공정,
(II) 공정 (I) 이후, 실리콘 엘라스토머 경화물 및 접착층 또는 점착층의 라디칼 반응을 행하는 공정, 및
(III) 공정 (II) 이후, 시트 형상 부재, 접착층 또는 점착층과 함께 실리콘 엘라스토머 경화물을 (L1) 기재로부터 분리하는 공정
을 구비하는 것을 특징으로 하는 전자 부품의 제조 방법. - 제15항 또는 제16항에 있어서, 라디칼 반응 전 또는 후에, 기재와 실리콘 엘라스토머 경화물을 일체로 하여 절단하는 공정을 구비하는 것을 특징으로 하는 전자 부품의 제조 방법.
- 제1항 내지 제9항 중 어느 한 항에 기재된 실리콘 엘라스토머 경화물을 가지는, 전자 부품 제조용 부재.
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- 2018-09-06 US US16/645,912 patent/US11981814B2/en active Active
- 2018-09-06 JP JP2019541004A patent/JP7228519B2/ja active Active
- 2018-09-06 KR KR1020207008868A patent/KR102673414B1/ko active Active
- 2018-09-06 CN CN201880068609.9A patent/CN111247183A/zh active Pending
- 2018-09-06 WO PCT/JP2018/033098 patent/WO2019049950A1/ja not_active Ceased
- 2018-09-10 TW TW107131710A patent/TWI784048B/zh active
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Also Published As
| Publication number | Publication date |
|---|---|
| US11981814B2 (en) | 2024-05-14 |
| TW201920488A (zh) | 2019-06-01 |
| CN111247183A (zh) | 2020-06-05 |
| EP3683246B1 (en) | 2024-10-02 |
| JP7228519B2 (ja) | 2023-02-24 |
| US20200277492A1 (en) | 2020-09-03 |
| EP3683246A1 (en) | 2020-07-22 |
| EP3683246A4 (en) | 2021-06-23 |
| TWI784048B (zh) | 2022-11-21 |
| WO2019049950A1 (ja) | 2019-03-14 |
| JPWO2019049950A1 (ja) | 2020-11-26 |
| KR102673414B1 (ko) | 2024-06-13 |
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