KR102125988B1 - 전자선 경화된 표면처리층이 형성된 petg 시트 및 이의 제조방법 - Google Patents
전자선 경화된 표면처리층이 형성된 petg 시트 및 이의 제조방법 Download PDFInfo
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Abstract
Description
비교예 1 | 실시예 1 | 비고 | ||
물성시험결과 | 내광성(351nm,400hr) | 1.7 | 0.5 | 색차값(dE) |
내마모성(CS-10) | -0.30% | -0.01% | 마모 손실량 | |
연필경도(750g) | F | 2H | ||
에릭슨 시험(Newton) | 0.6N | 1.0N | ||
오염성(Mustard, 6h) | 3 | 5 | 5점 만점 (3점: 잔흔 미세하게 보임) |
10 : 표면처리층 20 : 스킨층
30 : 코어층 40 : 이면층
Claims (27)
- PETG 시트에 있어서,
다관능 올리고머 15 내지 25중량%, 입자크기가 2nm 내지 100nm인 나노 실리카 1 내지 15중량%, 실리콘 15 내지 25중량% 및 다관능 모노머 40 내지 60중량%를 포함하는 전자선 경화형 조성물을 전자선 경화시킨 표면처리층이 형성된 것을 특징으로 하는 PETG 시트. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,
상기 PETG 시트는 스킨층, 코어층, 이면층을 포함하되, 코어층과 코어층 상부면 및 하부면에 스킨층 및 이면층이 공압출 성형되는 것을 특징으로 하는 PETG 시트. - 제12항에 있어서,
상기 스킨층 및 이면층은 글리콜 변성 폴리에틸렌 테레프탈레이트 수지와 안료를 포함하는 조성물로 형성된 것을 특징으로 하는 PETG 시트. - 삭제
- 제12항에 있어서,
상기 코어층은 무정형 폴리에틸렌 테레프탈레이트 수지와 폴리부틸렌 테레프탈레이트 수지를 포함하는 조성물로 형성되는 것을 특징으로 하는 PETG 시트. - 제15항에 있어서,
상기 무정형 폴리에틸렌 테레프탈레이트와 폴리부틸렌 테레프탈레이트 수지는 5~25 :1의 중량비로 혼합되는 것을 특징으로 하는 PETG 시트. - 삭제
- 삭제
- 제13항에 있어서,
상기 스킨층 및 이면층 형성용 조성물은 폴리부틸렌 테레프탈레이트 수지를 더 포함하는 것을 특징으로 하는 PETG 시트. - 제12항에 있어서,
상기 스킨층 : 코어층 : 이면층의 두께비는 1: 8-10:1인 것을 특징으로 하는 PETG 시트. - 제1항에 있어서,
상기 PETG 시트의 두께는 0.2-0.6mm인 것을 특징으로 하는 PETG 시트. - 다관능 올리고머 15 내지 25중량%, 입자크기가 2nm 내지 100nm인 나노 실리카 1 내지 15중량%, 실리콘 15 내지 25중량% 및 다관능 모노머 40 내지 60중량%를 포함하는 전자선 경화형 조성물이 코팅된 캐리어 필름과 PETG 시트를 합지하는 단계;
전자선을 조사하여 상기 전자선 경화형 조성물을 경화시킨 후 캐리어 필름을박리하여 PETG 시트 상에 표면처리층을 형성하는 단계;
상기 표면처리층 상에 보호필름을 부착하는 단계;를 포함하는 전자선 경화된 표면처리층이 형성된 PETG 시트를 제조하는 방법. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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KR1020170026268A KR102125988B1 (ko) | 2017-02-28 | 2017-02-28 | 전자선 경화된 표면처리층이 형성된 petg 시트 및 이의 제조방법 |
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KR20180099174A KR20180099174A (ko) | 2018-09-05 |
KR102125988B1 true KR102125988B1 (ko) | 2020-06-23 |
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