KR20220113689A - 시트 형상물 및 그 제조 방법 - Google Patents
시트 형상물 및 그 제조 방법 Download PDFInfo
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- KR20220113689A KR20220113689A KR1020227018399A KR20227018399A KR20220113689A KR 20220113689 A KR20220113689 A KR 20220113689A KR 1020227018399 A KR1020227018399 A KR 1020227018399A KR 20227018399 A KR20227018399 A KR 20227018399A KR 20220113689 A KR20220113689 A KR 20220113689A
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Abstract
Description
Claims (8)
- 섬유질 기재에 고분자 탄성체를 함유하는 시트 형상물이며, 섬유질 기재가 평균 단섬유 직경 0.1㎛ 이상 10㎛ 이하인 극세 섬유를 포함하고, 고분자 탄성체가 친수성기를 갖고, 또한, 구성 성분으로서 폴리에테르디올을 포함하고, 상기 고분자 탄성체 내부에 N-아실우레아 결합 및/또는 이소우레아 결합을 갖고, 이하의 조건 1 및 조건 2를 충족하는 시트 형상물.
조건 1: JIS L 1096:2010 「직물 및 편물의 생지 시험법」에 기재된 A법(45° 캔틸레버법)에 의해 규정되는 종방향의 강연도가 40㎜ 이상 140㎜ 이하임
조건 2: JIS L 0843:2006 내광 견뢰도 측정법의 크세논 아크량이 110MJ/㎡ 조건에서 측정한 내광 시험 후의 JIS L 1096:2005에 의해 규정되는 마틴데일 마모 시험 2만회에 있어서의 마모 감량이 25㎎ 이하임 - 제1항에 있어서,
내광 시험 전의 시트 형상물에 있어서, JIS L 1096:2010에 의해 규정되는 마틴데일 마모 시험 2만회에 있어서의 마모 감량이 20㎎ 이하인 시트 형상물. - 제1항 또는 제2항에 있어서,
상기 고분자 탄성체를 10질량% 이상 함유하는 시트 형상물. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 시트 형상물에 있어서, 추가로 이하의 조건 3을 충족하는 시트 형상물.
조건 3: 상기 시트 형상물의 기모면을 150℃로 가열한 핫 플레이트 상에 적재하고, 압박 하중 2.5㎪로 10초간 압박했을 때의 L값의 유지율이 90% 이상 100% 이하임 - 하기 (1) 내지 (4)의 공정을 이 순으로 포함하는 시트 형상물의 제조 방법.
(1) 극세 섬유 발현형 섬유를 포함하는 섬유질 기재에, 고분자 탄성체, 1가 양이온 함유 무기염 및 가교제를 함유하는 수분산액을 함침시키고, 이어서 120℃ 이상 180℃ 이하의 온도로 가열 처리를 행하는 고분자 탄성체 함침 공정이며, 상기 고분자 탄성체가 친수성기를 갖고, 또한, 구성 성분으로서 폴리에테르디올을 포함하고, 상기 수분산액에 있어서의 1가 양이온 함유 무기염의 함유량이 상기 고분자 탄성체 100질량부에 대하여 10질량부 이상 50질량부 이하인 고분자 탄성체 함침 공정
(2) 상기 극세 섬유 발현형 섬유를 알칼리 처리하고, 극세 섬유를 발현시키는 극세 섬유 발현 공정
(3) 120℃ 이상 180℃ 이하의 온도에서 열처리를 실시하는 건조 공정
(4) 미기모 시트 형상물의 적어도 1면을 기모 처리하여 표면에 입모를 형성시키는 기모 공정 - 제5항에 있어서,
상기 건조 공정보다 후에 미기모 시트 형상물 또는 시트 형상물을 염색하는 염색 공정을 포함하는 시트 형상물의 제조 방법. - 제5항 또는 제6항에 있어서,
상기 1가 양이온 함유 무기염이 염화나트륨 및/또는 황산나트륨인 시트 형상물의 제조 방법. - 제5항 내지 제7항 중 어느 한 항에 있어서,
상기 가교제가 카르보디이미드계 가교제인 시트 형상물의 제조 방법.
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| PCT/JP2020/046009 WO2021125032A1 (ja) | 2019-12-20 | 2020-12-10 | シート状物およびその製造方法 |
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- 2020-12-10 EP EP20903475.0A patent/EP4079962B1/en active Active
- 2020-12-10 US US17/773,915 patent/US20220380976A1/en not_active Abandoned
- 2020-12-10 JP JP2020569210A patent/JP6904493B1/ja active Active
- 2020-12-10 CN CN202080078176.2A patent/CN114729501B/zh active Active
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| JPWO2021125032A1 (ja) | 2021-12-16 |
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| US20220380976A1 (en) | 2022-12-01 |
| CN114729501A (zh) | 2022-07-08 |
| TW202129118A (zh) | 2021-08-01 |
| JP6904493B1 (ja) | 2021-07-14 |
| KR102884218B1 (ko) | 2025-11-13 |
| EP4079962B1 (en) | 2024-12-04 |
| WO2021125032A1 (ja) | 2021-06-24 |
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