사출 성형성과 밴버리 가공성이 우수한 아크릴 고무

• Main Authors: MASUDA HIROFUMI, KAWANAKA TAKAFUMI
• Format: Patent
• Language: Korean
• Published: 27.02.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

사출 성형성과 밴버리 가공성이 우수한 아크릴 고무를 제공한다. 본 발명에 따른 아크릴 고무는, 카르복실기, 에폭시기 및 염소 원자로 이루어지는 군에서 선택되는 적어도 1종의 반응성기를 갖고, 중량 평균 분자량(Mw)이 100만~500만, 중량 평균 분자량(Mw)과 수평균 분자량(Mn)의 비(Mw/Mn)가 1.5~3의 범위이고, 겔량이 50 중량% 이하, 회분량이 0.0001~0.3 중량%이고, 또한 회분 중의 나트륨, 황, 칼슘, 마그네슘 및 인의 합계량이 80 중량% 이상이다. Provided is an acrylic rubber having excellent injection moldability and Banbury processability. An acrylic rubber according to the present invention has at least one sort of reactive group selected from the group consisting of carboxyl groups, epoxy groups and chlorine atoms, wherein, the weight average molecular weight (Mw) is 1,000,000 to 5,000,000, the ratio (Mw / Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) is in a range of 1.5 to 3, the gel content is 50 wt% or less, the ash content is from 0.0001 to 0.3 wt%, and the total content of sodium, sulfur, calcium, magnesium and phosphorus in the ash is 80 wt% or more.