KR102248039B1 - 코어-쉘 공중합체 제조방법, 이로부터 제조된 코어-쉘 공중합체 및 이를 포함하는 수지 조성물 - Google Patents
코어-쉘 공중합체 제조방법, 이로부터 제조된 코어-쉘 공중합체 및 이를 포함하는 수지 조성물 Download PDFInfo
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Abstract
Description
구분 | 실시예 | ||||||
1 | 2 | 3 | 4 | 5 | 6 | ||
1단계 | MMA | 75 | 75 | 80 | 80 | 80 | 75 |
BA | 10 | 10 | 5 | 5 | 5 | 10 | |
Mw | 650 | 650 | 690 | 690 | 690 | 660 | |
2단계 | DPHA 또는 DPPA |
0.05 | 0.5 | 0.05 | 0.25 | 0.5 | 0.05 |
MMA | 5 | 5 | 5 | 5 | 5 | 5 | |
Mw | 1600 | 1600 | 1700 | 1700 | 1650 | 1600 | |
3단계 | MMA | 5 | 5 | 5 | 5 | 5 | 5 |
SM | 5 | 5 | 5 | 5 | 5 | 5 | |
Mw | 1200 | 1200 | 1300 | 1350 | 1300 | 1200 | |
단량체 총 함량 |
100 | 100 | 100 | 100 | 100 | 100 |
구분 | 비교예 | ||||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
1단계 | MMA | 40 | 75 | 75 | 80 | 80 | 85 | 90 | 80 | 80 | 85 | - | 75 |
BA | 45 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 5 | - | 85 | 10 | |
Mw | 550 | 660 | 660 | 690 | 690 | 690 | 690 | 450 | 690 | 400 | 750 | 660 | |
2단계 | DPHA 또는 TTEGDA |
0.05 |
- |
0.01 |
0.05 |
1.0 |
0.5 |
0.5 |
0.25 |
0.25 |
0.25 |
0.25 |
0.05 |
MMA | 5 | 5 | 5 | - | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
Mw | 1200 | 900 | 1000 | 800 | 1600 | 1700 | 1400 | 920 | 750 | 900 | 1800 | 1000 | |
3단계 | MMA | 5 | 5 | 5 | 5 | 5 | 5 | - | 5 | 5 | 5 | 5 | 5 |
SM | 5 | 5 | 5 | 5 | 5 | - | - | 5 | 5 | 5 | 5 | 5 | |
Mw | 800 | 650 | 700 | 550 | 1300 | 1300 | 1350 | 600 | 520 | 580 | 1400 | 700 | |
단량체 총 함량 |
100 | 100 | 100 | 95 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
구분 | 실시예 | |||||
1 | 2 | 3 | 4 | 5 | 6 | |
발포 비중 | 0.44 | 0.45 | 0.42 | 0.43 | 0.44 | 0.44 |
표면 특성 | 5 | 5 | 4 | 4 | 4 | 5 |
압출량 | 88 | 87 | 88 | 89 | 88 | 88 |
용융 압력 | 127 | 127 | 128 | 128 | 128 | 127 |
구분 | 비교예 | |||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
발포 비중 | 0.52 | 0.57 | 0.53 | 0.68 | 0.55 | 0.46 | 0.45 | 0.57 | 0.58 | 0.57 | 0.65 | 0.53 |
표면 특성 | 5 | 5 | 5 | 4 | 1 | 3 | 3 | 5 | 5 | 5 | 1 | 5 |
압출량 | 84 | 87 | 84 | 85 | 80 | 75 | 75 | 87 | 89 | 88 | 60 | 83 |
용융 압력 | 108 | 115 | 116 | 100 | 116 | 125 | 130 | 110 | 112 | 111 | 150 | 116 |
구분 | 실시예 | |||||
1 | 2 | 3 | 4 | 5 | 6 | |
점착성 | 5 | 5 | 5 | 5 | 5 | 3 |
구분 | 비교예 | |||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
점착성 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 5 | 5 | 4 | 2 | 4 |
Claims (13)
- 단량체 총 함량 100 중량부를 기준으로, 메틸 (메트)아크릴레이트 단량체 70 중량부 내지 90 중량부 및 탄소수 2 내지 12의 알킬 (메트)아크릴레이트 단량체 1 중량부 내지 20 중량부를 중합하여, 코어를 중합하는 단계(S10);
상기 (S10) 단계의 코어 중합 시, 중합 전환율이 70 % 내지 90 %인 시점에서, 메틸 (메트)아크릴레이트 단량체 1 중량부 내지 10 중량부 및 다관능성 아크릴계 가교제 0.04 중량부 내지 0.7 중량부를 투입하고 중합하여, 코어를 중합하는 단계(S20);
상기 (S20) 단계에서 중합된 코어의 존재 하에, 메틸 (메트)아크릴레이트 단량체 1 중량부 내지 10 중량부 및 방향족 비닐 단량체 1 중량부 내지 10 중량부를 투입하고 중합하여, 코어-쉘 공중합체를 중합하는 단계(S30)를 포함하며,
상기 다관능성 아크릴계 가교제는 디펜타에리쓰리톨 펜타아크릴레이트(dipentaerythritol pentaacrylate), 디펜타에리쓰리톨 헥사아크릴레이트(dipentaerythritol hexaacrylate), 또는 이들의 혼합물인 코어-쉘 공중합체 제조방법. - 삭제
- 제1항에 있어서,
상기 다관능성 아크릴계 가교제는 디펜타에리쓰리톨 헥사아크릴레이트(dipentaerythritol hexaacrylate)인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 다관능성 아크릴계 가교제의 투입량은 0.05 중량부 내지 0.5 중량부인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S20) 단계는, 상기 (S10) 단계의 코어 중합 시, 중합 전환율이 80 % 내지 90 %인 시점에서 실시되는 것인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S20) 단계에서 제조된 코어의 중량평균 분자량은 15,000,000 g/mol 이상인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S20) 단계에서 제조된 코어의 중량평균 분자량은 16,000,000 g/mol 내지 17,000,000 g/mol인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S10) 단계에서, 메틸 (메트)아크릴레이트 단량체의 투입량은 75 중량부 내지 80 중량부이고, 탄소수 2 내지 12의 알킬 (메트)아크릴레이트 단량체의 투입량은 5 중량부 내지 10 중량부인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S20) 단계에서, 메틸 (메트)아크릴레이트 단량체의 투입량은 4 중량부 내지 6 중량부인 코어-쉘 공중합체 제조방법. - 제1항에 있어서,
상기 (S30) 단계에서, 메틸 (메트)아크릴레이트 단량체의 투입량은 4 중량부 내지 6 중량부이고, 방향족 비닐 단량체의 투입량은 4 중량부 내지 6 중량부인 코어-쉘 공중합체 제조방법. - 코어 및 상기 코어를 감싸는 쉘을 포함하는 코어-쉘 공중합체에 있어서,
상기 코어는 메틸 (메트)아크릴레이트 단량체 유래 반복단위 70 중량% 내지 90중량%, 탄소수 2 내지 12의 알킬 (메트)아크릴레이트 단량체 유래 반복단위 1 중량% 내지 20 중량% 및 다관능성 아크릴계 가교제 유래 가교부를 포함하고,
상기 쉘은 메틸 (메트)아크릴레이트 단량체 유래 반복단위 1 중량% 내지 10 중량% 및 방향족 비닐 단량체 유래 반복단위 1 중량% 내지 10 중량%를 포함하며,
상기 다관능성 아크릴계 가교제 유래 가교부의 함량은 상기 단량체 유래 반복단위 총 함량 100 중량부를 기준으로 0.04 중량부 내지 0.7 중량부이며,
중량평균 분자량이 11,000,000 g/mol 이상이며,
상기 다관능성 아크릴계 가교제는 디펜타에리쓰리톨 펜타아크릴레이트(dipentaerythritol pentaacrylate), 디펜타에리쓰리톨 헥사아크릴레이트(dipentaerythritol hexaacrylate), 또는 이들의 혼합물인 코어-쉘 공중합체. - 제11항에 있어서,
상기 코어-쉘 공중합체는 중량평균 분자량이 12,000,000 g/mol 내지 13,500,000 g/mol인 코어-쉘 공중합체. - 제11항에 따른 코어-쉘 공중합체 및 염화비닐 수지를 포함하는 수지 조성물.
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