KR20240122916A - 적층 제조용 조성물 - Google Patents
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- B33Y10/00—Processes of additive manufacturing
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Abstract
Description
특성 | 실시예 2 | 실시예 10 | 단위 | 시험 표준 |
탄성률 XY | 19.3 | 93 | MPa | ASTM D638 |
탄성률 Z | 6.8 | 45 | MPa | ASTM D638 |
최종 인장 강도 XY | 6.4 | 11 | MPa | ASTM D638 |
최종 인장 강도 Z | 3.0 | 4.6 | MPa | ASTM D638 |
파단 연신율 XY | 897 | 781 | % | ASTM D638 |
파단 연신율 Z | 354 | 50 | % | ASTM D638 |
쇼어 경도 | 82.4 | 96 | Shore A | ASTM 2240 |
용융 유량 (210 ℃/2.16 kg) |
61 | 23 | g/10분 | ASTMD1238 |
압축 변형 | 45 | 44 | % | ASTM D395 |
인열 강도 XY | 66.3 | 97 | N/mm | ASTM D624 |
인열 강도 Z | 22.7 | 22 | N/mm | ASTMD624 |
실시예 | SEBS (wt%) | 폴리프로필렌 (wt%) | 활석 (wt%) |
파단 인장 변형률(%) | 쇼어 A 경도 |
7 | 80 | 0 | 20 | 981.09 | 85.6 |
8 | 70 | 10 | 20 | 954.73 | 90.8 |
9 | 60 | 20 | 20 | 858.89 | 93.6 |
10 | 50 | 30 | 20 | 844.85 | 96.0 |
11 | 40 | 40 | 20 | 665.09 | 96.8 |
12 | 30 | 50 | 20 | 520.07 | 98.4 |
13 | 20 | 60 | 20 | 198.96 | 99.8 |
Claims (15)
- 탄성중합체 적층 제조 물품을 만들기 위한 적층 제조(additive manufacturing) 조성물로서,
조성물 전체 중량 기준 10중량% 내지 80중량%의 양으로 존재하는 열가소성 탄성중합체, 그 안에 분산되고 10중량% 내지 50중량%의 양으로 존재하는 고체 미립자 충전제 및 10중량% 내지 70중량%의 양으로 존재하는 폴리올레핀을 포함하고,
상기 열가소성 탄성중합체는 (210℃/2.16kg)에서 용융 유량이 적어도 50~150g/10분이며, 스티렌계 열가소성 탄성중합체로 구성되고,
상기 스티렌계 열가소성 탄성중합체는 적어도 2개의 비닐 방향족 단량체 블록 및 적어도 1개의 공액 디엔 단량체 블록으로 구성된 블록 공중합체로 구성되고,
상기 충전제는 표면적이 0.05 ㎡/g 내지 120 ㎡/g이고, 종횡비가 5 내지 25인 침상 형상인, 적층 제조 조성물. - 제1항에 있어서, 공액 디엔 단량체는 하기 화학식을 갖고:
R2C=CR-CR=CR2
(여기서, 각 R은 독립적으로 각각의 경우에 수소 또는 탄소수 1 내지 4의 알킬이고, 여기서 임의의 두 R기는 고리를 형성할 수 있음),
비닐 방향족 단량체는 최대 20개의 탄소를 가지며 하기 화학식을 갖는 조성물:
Ar-C(R1)=C(R1)2
(여기서, 각 R1은 독립적으로 각각의 경우에 수소 또는 알킬이거나 다른 R1과 고리를 형성하고, Ar은 페닐, 할로페닐, 알킬페닐, 알킬할로페닐, 나프틸, 피리디닐 또는 안트라세닐이고, 여기서 임의의 알킬기는 1 내지 6개의 탄소 원자를 갖고 작용기로 임의로 일치환 또는 다치환될 수 있음). - 제1항에 있어서, 스티렌계 열가소성 탄성중합체는 스티렌-(에틸렌-부틸렌)-스티렌(SEBS) 열가소성 탄성중합체인 조성물.
- 제1항에 있어서, 충전제는 D50이 0.5 마이크로미터 내지 5 마이크로미터이고, D90이 20 내지 40 마이크로미터이고, D10이 0.1 마이크로미터 내지 2 마이크로미터인 입자 크기를 갖는 조성물.
- 제4항에 있어서, 충전제는 종횡비가 5 내지 20인 침상 충전제(acicular filler)로 구성된 조성물.
- 제5항에 있어서, 충전제는 점토, 규회석, 흑연 탄소, 탄화규소 또는 활석인 조성물.
- 제1항에 있어서, 스티렌계 열가소성 탄성중합체는
60 내지 80의 쇼어 A 경도값;
5 내지 6 MPa의 수직 인장 강도;
3.5 내지 4.5 MPa의 100%에서 수직 인장 강도;
400 내지 500%의 수직 파단 연신율;
34 내지 42 kN/m의 수직 인열 강도; 및
0.8 내지 1.0의 비중(상대 밀도)을 갖는 조성물. - 제5항에 있어서, 충전제는 조성물의 10중량% 내지 30중량%의 양으로 존재하고, 나머지는 스티렌계 열가소성 탄성중합체인 조성물.
- 제5항에 있어서,
(230℃/2.16kg)에서의 용융 유량은 최대 20g/10분인 폴리올레핀을 더 포함하고, 열가소성 탄성중합체의 용융 유량/폴리올레핀의 용융 유량의 비율은 3~10인 조성물. - 물체를 인쇄하는 방법으로서,
제1항 내지 제9항 중 어느 한 항의 조성물을 필라멘트로 형성하는 단계,
상기 필라멘트를 프린트 헤드를 통해 드로잉(drawing), 가열 및 압출하여 압출물을 형성하는 단계, 및
다중 층이 제어 가능하게 침착되고 융합되어 적층 제조 물품을 형성하도록 베이스 상에 압출물을 침착시키는 단계를 포함하는 방법. - 제10항에 있어서, 압출은 보우덴(Bowden) 튜브를 갖는 보우덴 압출기에 의한 방법.
- 함께 융합되거나 접착된 복수의 층을 포함하는 탄성중합체 적층 제조 물품을 포함하는 물품으로서, 적어도 2개의 층이 적어도 2개의 비닐 방향족 단량체 블록 및 적어도 1개의 공액 디엔 단량체 블록으로 구성된 블록 공중합체로 구성되고 (210℃/2.16kg)에서 용융 유량이 적어도 50~150g/10분인 스티렌계 열가소성 탄성중합체로 구성된 열가소성 탄성중합체 및 그 안에 분산된 고체 미립자 충전제를 포함하는 적층 제조(additive manufacturing) 조성물로 구성되고,
상기 충전제는 표면적이 0.05 ㎡/g 내지 120 ㎡/g이고, 종횡비가 5 내지 25인 침상 형상이며, 상기 층은 10 내지 80중량%의 스티렌계 열가소성 탄성중합체 및 10 내지 50중량%의 충전제를 포함하는 물품. - 제12항에 있어서, 층은 폴리프로필렌의 단독중합체 또는 에틸렌과 프로필렌의 공중합체인 폴리올레핀을 추가로 포함하는 물품.
- 제13항에 있어서, 스티렌계 열가소성 탄성중합체 및 폴리올레핀은 상기 스티렌계 열가소성 탄성중합체의 용융 유량(210 ℃/2.16 kg) 대 상기 폴리올레핀의 용융 유량(230 ℃/2.16 kg)의 비가 10 내지 3의 비가 되도록 하는 용융 유량을 가지는 물품.
- 제12항 내지 제14항 중 어느 한 항에 있어서, 층은 10 내지 80 중량%의 스티렌계 열가소성 탄성중합체; 10 내지 70 중량%의 폴리올레핀; 및 10 내지 30 중량%의 충전제로 구성된 물품.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962932986P | 2019-11-08 | 2019-11-08 | |
US62/932,986 | 2019-11-08 | ||
KR1020227010600A KR20220058575A (ko) | 2019-11-08 | 2020-11-03 | 적층 제조용 조성물 |
PCT/US2020/058721 WO2021091907A1 (en) | 2019-11-08 | 2020-11-03 | Composition for additive manufacturing |
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US20220145059A1 (en) * | 2020-11-06 | 2022-05-12 | Qinghua Wu | Thermoplastic polymer composition for micro 3d printing and uses thereof |
WO2024180960A1 (ja) * | 2023-02-27 | 2024-09-06 | デンカ株式会社 | 3dプリンター用樹脂組成物、3次元造形物及びその製造方法 |
WO2024180961A1 (ja) * | 2023-02-27 | 2024-09-06 | デンカ株式会社 | 3dプリンター用樹脂組成物、3次元造形物及びその製造方法 |
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US5121329A (en) | 1989-10-30 | 1992-06-09 | Stratasys, Inc. | Apparatus and method for creating three-dimensional objects |
US5503785A (en) | 1994-06-02 | 1996-04-02 | Stratasys, Inc. | Process of support removal for fused deposition modeling |
US5789484A (en) * | 1995-05-26 | 1998-08-04 | Mitsui Petrochemical Industries, Ltd. | 4-Methyl-1-pentene polymer compositions |
JP2009263640A (ja) * | 2008-04-04 | 2009-11-12 | Sumitomo Chemical Co Ltd | 熱伝導性樹脂組成物及びその用途 |
EP2123706A1 (en) | 2008-05-19 | 2009-11-25 | Evonik Degussa GmbH | Thermoplastic elastomers |
US10259160B2 (en) * | 2013-03-22 | 2019-04-16 | Markforged, Inc. | Wear resistance in 3D printing of composites |
US20160318249A1 (en) * | 2013-11-11 | 2016-11-03 | Imerys Talc America, Inc. | Compositions and methods for fused filament fabrication |
EP3150362B1 (en) * | 2014-05-29 | 2020-03-25 | Mitsubishi Chemical Corporation | Use of a laminate shaping support material for producing a laminate-shaped product, use of a laminate for producing a laminate-shaped product, a laminate production method, a laminate-shaped product production method |
NL1041001B1 (nl) * | 2014-10-16 | 2016-10-04 | Leapfrog B V | Aandrijfinrichting voor een filament in een 3D-printer. |
JP6677456B2 (ja) * | 2014-10-31 | 2020-04-08 | 花王株式会社 | 制振材料用のポリエステル樹脂組成物 |
CN107530955B (zh) * | 2015-04-20 | 2020-01-07 | 安姆希比创新咨询有限公司 | 材料挤出式三维打印机成型用丝材和成型体的制造方法 |
JP6733155B2 (ja) * | 2015-11-24 | 2020-07-29 | 三菱ケミカル株式会社 | 積層造形用サポート材およびそれを用いた積層造形物の製造方法 |
JP6811637B2 (ja) | 2017-02-14 | 2021-01-13 | 東京インキ株式会社 | 立体造形装置用樹脂成形材料および立体造形装置用フィラメント |
EP3645803A4 (en) * | 2017-06-30 | 2021-03-31 | CertainTeed Corporation | VAPOR-DELAYED BUILDING MATERIALS AND METHODS FOR THEIR MANUFACTURING |
TWI643912B (zh) * | 2017-07-05 | 2018-12-11 | 奇美實業股份有限公司 | 樹脂組成物及其應用 |
CN108047727B (zh) * | 2017-12-19 | 2021-07-23 | 深圳市科贝达电子科技有限公司 | 一种3d打印硅胶线材及其制备方法 |
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CN114514283A (zh) | 2022-05-17 |
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