KR102652061B1 - 입모 인공 피혁 및 그 제조 방법 - Google Patents
입모 인공 피혁 및 그 제조 방법 Download PDFInfo
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- KR102652061B1 KR102652061B1 KR1020217017555A KR20217017555A KR102652061B1 KR 102652061 B1 KR102652061 B1 KR 102652061B1 KR 1020217017555 A KR1020217017555 A KR 1020217017555A KR 20217017555 A KR20217017555 A KR 20217017555A KR 102652061 B1 KR102652061 B1 KR 102652061B1
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- South Korea
- Prior art keywords
- artificial leather
- napped
- pigment
- ultrafine fibers
- mass
- Prior art date
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Abstract
Description
도 2 는, 고분자 탄성체의 점유 면적의 비율이 0.86 % 인, 종래의 입모면을 갖는 입모 인공 피혁의 일례의, 입모면을 디지털 마이크로스코프로 20 배로 촬영한 사진이다.
Claims (8)
- 극세 섬유의 낙합체인 부직포와, 상기 부직포에 함침 부여된 고분자 탄성체를 포함하고, 적어도 일면에 상기 극세 섬유를 입모시킨 입모면을 갖는, 입모 인공 피혁으로서,
상기 극세 섬유에 함유된 안료를 안료 (A), 상기 고분자 탄성체에 함유될 수 있는 안료를 안료 (B) 로 하는 경우,
상기 극세 섬유는 0.5 질량% 이상의 안료 (A) 를 포함하고, 상기 고분자 탄성체는 0 질량% 초과 0.01 질량% 이하의 안료 (B) 를 포함하거나 안료 (B) 를 포함하지 않고, 또한, 상기 극세 섬유 및 상기 고분자 탄성체는 무염색이고,
상기 입모면이, 색 좌표 공간 (L*a*b* 색 공간) 에 있어서의 명도 L* 값이 25 이하이고,
상기 입모면에 관찰되는, 상기 극세 섬유의 점유 면적과 상기 고분자 탄성체의 점유 면적의 총면적에 대한 상기 고분자 탄성체의 점유 면적의 비율이 0.5 % 이하인 것을 특징으로 하는 입모 인공 피혁. - 제 1 항에 있어서,
상기 극세 섬유는 안료 (A) 를 0.5 ∼ 10 질량% 포함하는, 입모 인공 피혁. - 제 1 항에 있어서,
상기 극세 섬유는 안료 (A) 를 1.5 ∼ 7 질량% 포함하는, 입모 인공 피혁. - 제 1 항에 있어서,
상기 고분자 탄성체는 안료 (B) 를 포함하지 않는, 입모 인공 피혁. - 제 1 항에 있어서,
상기 고분자 탄성체를 0.1 ∼ 15 질량% 포함하는, 입모 인공 피혁. - 제 1 항에 있어서,
상기 극세 섬유의 섬도가 1 dtex 이하인, 입모 인공 피혁. - 제 1 항에 있어서,
상기 명도 L* 값이 21 이하인, 입모 인공 피혁. - 제 1 항 내지 제 7 항 중 어느 한 항에 기재된 입모 인공 피혁을 제조하는 방법으로서,
상기 0.5 질량% 이상의 상기 안료 (A) 를 포함하는 극세 섬유를 형성하는 극세 섬유 발생형 섬유의 낙합체인 제 1 부직포를 준비하는 공정과,
상기 제 1 부직포의 공극에 상기 안료 (B) 를 0 질량% 초과 0.01 질량% 이하로 포함하거나 안료 (B) 를 포함하지 않는 고분자 탄성체를 형성하는 에멀션을 완전 함침시킨 후, 상기 에멀션의 일부를 착액함으로써 제거하는 공정과,
상기 제 1 부직포의 공극에 부여된 에멀션 중의 상기 고분자 탄성체를 응고시키는 공정과,
상기 극세 섬유 발생형 섬유로부터 상기 극세 섬유를 형성시켜 상기 극세 섬유의 낙합체인 제 2 부직포를 포함하는 인공 피혁 생기로 하는 공정과,
상기 인공 피혁 생기의 적어도 일면을 버핑 처리하는 공정을 적어도 포함하고,
상기 에멀션의 일부를 착액하는 착액률이 30 ∼ 50 % 인 것을 특징으로 하는 입모 인공 피혁의 제조 방법.
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