KR102707896B1 - 코팅 조성물 - Google Patents
코팅 조성물 Download PDFInfo
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Abstract
Description
Claims (28)
- 에폭시-함유 성분;
조성물의 총 중량을 기준으로 11 중량% 초과 내지 25 중량%의 양의 엘라스토머 입자로서, 상기 엘라스토머 입자의 50 중량% 이상은 상기 엘라스토머 입자의 총 중량을 기준으로 스티렌 부타디엔 코어를 포함하고, 상기 엘라스토머 입자의 50 중량% 이하는 상기 엘라스토머 입자의 총 중량을 기준으로 폴리부타디엔 코어 및/또는 폴리실록산 코어를 포함하는, 엘라스토머 입자; 및
외부 에너지원에 의해 활성화될 수 있는 경화 성분으로서, 상기 경화 성분은 동적 광 산란에 의해 측정된 D90 입자 크기가 25 ㎛인 하나 이상의 구아니딘을 포함하는, 경화 성분
을 포함하는, 조성물. - 청구항 1에 있어서,
상기 엘라스토머 입자는 에폭시-함유 성분으로부터 상-분리되는. 조성물. - 청구항 1에 있어서,
상기 에폭시-함유 성분은 비스페놀 A 폴리에폭사이드, 비스페놀 F 폴리에폭사이드, 노 볼락 수지, 또는 이들의 조합을 포함하는, 조성물. - 청구항 1에 있어서,
상기 에폭시-함유 성분은 상기 조성물의 총 중량을 기준으로 45 중량% 내지 85 중량%의 양으로 존재하는, 조성물. - 청구항 1에 있어서,
상기 에폭시-함유 성분은 1.0 초과 및 3.2 미만의 평균 에폭사이드 작용가(functionality)를 갖는, 조성물. - 삭제
- 청구항 1에 있어서,
상기 엘라스토머 입자의 50% 이상은 투과 전자 현미경에 의한 측정시 150 nm 미만의 평균 입자 크기를 갖는, 조성물. - 삭제
- 청구항 1에 있어서,
상기 하나 이상의 구아니딘은 디시안디아미드를 포함하는, 조성물. - 청구항 1에 있어서,
상기 하나 이상의 구아니딘은 상기 조성물의 총 중량을 기준으로 2% 내지 20%의 양으로 존재하는, 조성물. - 청구항 1에 있어서,
상기 조성물의 총 중량을 기준으로 20 중량% 이하의 양의 충전제를 추가로 포함하는, 조성물. - 청구항 1에 있어서,
상기 조성물의 총 중량을 기준으로 20 중량% 이하의 양의 첨가제를 추가로 포함하는, 조성물. - 청구항 1에 있어서,
상기 조성물은 첨가제를 실질적으로 비함유하는, 조성물. - 청구항 1에 있어서,
상기 조성물은 판상 충전제 및/또는 자유 라디칼 개시제를 실질적으로 비함유하는, 조성물. - 청구항 1에 있어서,
제2 경화제를 추가로 포함하는, 조성물. - 청구항 15에 있어서,
상기 제2 경화제는 잠재성 경화 촉매, 활성 경화 촉매 또는 이들의 조합을 포함하는, 조성물. - 청구항 1에 있어서,
상기 조성물은 코팅 조성물, 접착제 조성물 또는 실란트 조성물을 포함하는, 조성물. - 기재 (substrate)의 하나 이상의 표면이 청구항 1의 조성물로 적어도 부분적으로 코팅된, 코팅된 기재.
- 청구항 18에 있어서,
상기 코팅된 기재의 하나 이상의 표면은 100% 수막 파열이 없는(water break free), 코팅된 기재. - 청구항 18에 있어서,
상기 코팅된 기재의 하나 이상의 표면은 비-수막 파열이 없는(non-water break free), 코팅된 기재. - 청구항 18에 있어서,
적어도 부분적으로 경화된 상태의 상기 조성물은 100 N/mm2 초과의 경도 및 40% 이상의 연신율을 갖는, 코팅된 기재. - 청구항 19에 있어서,
상기 기재는 보호복을 포함하는, 코팅된 기재. - 청구항 1의 조성물로 적어도 부분적으로 코팅된 부품.
- 제1 기재:
제2 기재; 및
상기 제1 기재와 상기 제2 기재 사이에 위치한 청구항 1의 조성물
을 포함하는, 물품. - 청구항 24에 있어서,
적어도 부분적으로 경화된 상태의 상기 조성물은 ISO 11003-2에 따라 측정된 33.0 MPa 이상의 전단 응력 및 34.5% 이상의 전단 변형률을 갖는, 물품. - 청구항 24에 있어서,
적어도 부분적으로 경화된 상태의 상기 조성물은 1.3 mm/분의 인출 속도(pull rate)의 인장 모드로 INSTRON 5567 기계에 의한 측정시, 1.6 mm 두께의 2024-T3 알루미늄 기재를 사용하여 ASTM D1002-10에 따라 측정된 30.0 MPa 초과의 랩 전단 강도; 및 중첩 길이의 적어도 15%의 파단시(at failure) 랩 전단 변위(lap shear displacement)를 갖는, 물품. - 청구항 1의 조성물을 제1 기재의 표면에 도포하는 단계; 및
외부 에너지원을 적용하여 상기 조성물을 적어도 부분적으로 경화시키는 단계
를 포함하는, 기재 표면 상에 코팅을 형성하는 방법. - 청구항 27에 있어서,
상기 조성물이 상기 제1 기재와 제2 기재 사이에 위치하도록, 상기 제2 기재의 표면을 조성물에 접촉시키는 단계를 추가로 포함하는, 방법.
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| WO2026044708A1 (zh) * | 2024-08-30 | 2026-03-05 | 上海金力泰化工股份有限公司 | 一种用于车身及塑料部件一体化涂装的oem原厂漆及一体化涂装方法 |
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| US12291634B2 (en) | 2025-05-06 |
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| US11732125B2 (en) | 2023-08-22 |
| JP2021512989A (ja) | 2021-05-20 |
| US20210017379A1 (en) | 2021-01-21 |
| JP7470042B2 (ja) | 2024-04-17 |
| CN111727211A (zh) | 2020-09-29 |
| WO2019164568A1 (en) | 2019-08-29 |
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| EP3749703B1 (en) | 2025-09-03 |
| ES3041253T3 (en) | 2025-11-11 |
| KR20240090704A (ko) | 2024-06-21 |
| RU2020129685A3 (ko) | 2022-03-09 |
| KR20200118190A (ko) | 2020-10-14 |
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