KR102125501B1 - 요판잉크 - Google Patents
요판잉크 Download PDFInfo
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- KR102125501B1 KR102125501B1 KR1020130163976A KR20130163976A KR102125501B1 KR 102125501 B1 KR102125501 B1 KR 102125501B1 KR 1020130163976 A KR1020130163976 A KR 1020130163976A KR 20130163976 A KR20130163976 A KR 20130163976A KR 102125501 B1 KR102125501 B1 KR 102125501B1
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- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
도 2는 본 발명에 따른 자성입자의 보호막을 보여주기 위한 TEM 이미지이다.
조성물 | 비교예 | 실시예1 | 실시예2 | |
바인더 | 제 1 바니시 (KR-KU) | 18 | 18 | 18 |
제 2 바니시 (KR-KA) | 14 | 14 | 14 | |
안료 | 유색안료 | 5 | 5 | 5 |
체질안료 | 30 | 35 | 35 | |
자성입자 | 자성입자(종래) | 10 | - | - |
자성입자(폴리머 보호층) | - | 10 | - | |
자성입자(폴리머 보호층 경화처리) | - | - | 10 | |
왁스 | PE-WAX | 5 | 0 | 0 |
Carnauba Wax | 5 | 5 | 5 | |
용제 | 지방족탄화수소 용제 | 4 | 4 | 4 |
에틸렌글리콜 용제 | 2 | 2 | 2 | |
첨가제 | 계면활성제 | 5 | 5 | 5 |
건조제 | 2 | 2 | 2 | |
중량 % | 100 | 100 | 100 |
비교예 흡유량 (ml/g) | 실시예1 흡유량 (ml/g) | 실시예2 흡유량 (ml/g) | |
제조직후 | 0.75 | 0.9 | 1.0 |
비교예 점착저항(택크) | 실시예1 점착저항(택크) | 실시예2 점착저항(택크) | |
잉크전이 시점으로부터 12초 후 | 75 | 90 | 110 |
비교예 | 실시예1 | 실시예2 | |
기상안정성(sec) | 500 | 400 | 350 |
비교예 건조시간 | 실시예1 건조시간 | 실시예2 건조시간 | |
제조직후 | 10hr | 9hr | 7hr |
2주후 | 16hr | 10hr | 8hr |
1개월 | 26hr | 13hr | 10hr |
2개월 | 39hr | 16hr | 13hr |
10: 자성체 코어
20: 쉘
30: 보호막
Claims (15)
- 바인더, 안료, 자성입자, 왁스 및 용제를 포함하는 요판잉크로서,
상기 자성입자는, 코어; 상기 코어의 외각에 형성되는 쉘; 및 상기 쉘 외각에 형성되는 폴리머 보호막;을 포함하며,
상기 폴리머 보호막은 열, 전자빔, 레이저, 광, 자외선 또는 화학적 경화촉진물질에 의한 후처리 공정에 의해 경화된 것인 요판잉크. - 제1항에 있어서,
상기 요판잉크는,
20 내지 35 wt% 바인더, 35 내지 45 wt% 안료, 5 내지 15 wt% 자성입자, 5 내지 10 wt% 첨가제, 1 내지 10 wt% 왁스 및 2 내지 10 wt% 용제를 포함하는 요판잉크. - 제1항에 있어서,
상기 자성입자는,
자성체 코어; 상기 자성체 코어의 외각에 형성되는 쉘; 및 상기 쉘 외각에 형성되며 폴리스티렌, 폴리메틸메타크릴레이트(PMMA), 폴리스티렌-co-부타디엔, 폴리이소부틸렌 및 폴리에틸렌으로 이루어진 군으로부터 하나 이상 선택된 보호막;을 포함하는 요판잉크. - 제3항에 있어서,
상기 쉘은 금속물질을 포함하며, 단층 또는 다층인 요판잉크. - 제3항에 있어서,
상기 쉘은 유전체물질을 포함하며, 단층 또는 다층인 요판잉크. - 제5항에 있어서,
상기 유전체물질을 포함한는 쉘은,
상기 코어 외각에 유전체물질을 포함하는 제1쉘; 및
상기 제1쉘 외각에 금속물질을 포함하는 제2쉘;을 포함하는 요판잉크. - 제5항에 있어서,
상기 유전체 물질은,
이산화규소, 불화마그네슘, 폴리스티렌, 폴리메틸메타크릴레이트(PMMA), 폴리스티렌-co-부타디엔, 오산화바나듐, 산화카드뮴, 폴리이소부틸렌, 폴리에틸렌, 이산화티탄, 산화알루미늄, 산화아연, 산화지르코늄 및 산화크로뮴으로 이루어진 군으로부터 하나 이상 선택되는 요판잉크. - 제4항 또는 제6항에 있어서,
상기 금속물질은 구리, 니켈, 금, 백금, 은, 알루미늄 및 크롬에서 하나 이상 선택되는 요판잉크. - 제1항에 있어서,
상기 보호막의 두께는 10 내지 200 nm인 요판잉크. - 제2항에 있어서,
상기 안료는 유색안료, 체질안료 또는 이들의 혼합안료를 포함하는 요판잉크. - 제2항에 있어서,
상기 첨가제는 계면활성제, 혼합첨가제 또는 이들의 혼합물을 포함하는 요판잉크. - 제2항에 있어서,
상기 왁스는 파라핀왁스와 테프론왁스의 혼합왁스를 포함하는 요판잉크. - 제1항에 있어서,
상기 요판잉크의 점착저항은 100 내지 150 택크(tack)인 요판잉크. - 제1항에 있어서,
상기 요판잉크는 200~400 sec의 기상안정성을 갖는 요판잉크. - 제1항에 있어서,
상기 요판잉크의 흡유도는 0.9 내지 1.0 ml/g인 요판잉크.
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