KR100874363B1 - 폴리이미드 전구체의 분말 입상체 제조 방법 - Google Patents
폴리이미드 전구체의 분말 입상체 제조 방법 Download PDFInfo
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- KR100874363B1 KR100874363B1 KR1020040087071A KR20040087071A KR100874363B1 KR 100874363 B1 KR100874363 B1 KR 100874363B1 KR 1020040087071 A KR1020040087071 A KR 1020040087071A KR 20040087071 A KR20040087071 A KR 20040087071A KR 100874363 B1 KR100874363 B1 KR 100874363B1
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- polyamic acid
- solvent
- polyimide precursor
- powder
- powder granules
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 | |||
투입몰비 | PMDA : ODA | 1:1 | 1:1 | 1:1 | 1:1 | |
용액 점도(ps) | 75 | 185 | 80 | - | ||
고유점도(dl/g) | 1.31 | 1.11 | 1.10 | 0.54(1) | ||
열분해온도(℃) | 615 | 611 | 608 | 598 | ||
이미드화율(%) | 21 | 11 | 4 | 88 | ||
후작업성 | 분쇄 수율(%) | 85 | 71 | 65 | - | |
수분율(%) | 4 | 4.2 | 3.8 | 1.1 | ||
잔류용매(%) | 3.2 | 4.7 | 6.8 | 0.85 | ||
(주) (1)비교예 2는 폴리이미드 분말 입상체로서 DMAc에 용해되지 않으므로 황산(99mol%)에 용해시켜 측정함. |
물성 | 실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 |
인장강도(Kg/cm2) | 860 | 843 | 847 | 851 |
신율(%) | 12.4 | 10.1 | 10.7 | 8.4 |
아이조드 충격강도 (Kgcm/cm) | 41 | 38 | 40 | 35 |
Claims (7)
- 비양자성 극성 용매 하에서 방향족 디언하이드라이드와 방향족 디아민을 중합시켜 폴리아믹산을 제조하는 단계;상기 제조된 폴리아믹산을 60 내지 100℃의 온도에서 2시간 내지 6시간 동안 숙성시키는 단계;상기 숙성시킨 폴리아믹산 용액을 과량의 용제에서 토출시켜 고형의 형태로 생성시키면서, 상기 용액에서 중합용매를 제거시키는 단계; 및상기 얻어진 고형의 토출물을 분쇄시켜 분말 입상체를 얻는 단계를 포함하고,상기 숙성시킨 폴리아믹산 용액을 토출시키는 데 사용된 용매는 물, 메탄올, 에탄올 및 아세톤 중에서 선택된 것을 특징으로 하는 폴리이미드 전구체의 분말 입상체 제조방법.
- 제1항에 있어서, 방향족 디언하이드라이드와 방향족 디아민은 1:0.95∼1:1의 당량비로 40℃ 이내의 온도에서 반응하는 것을 특징으로 하는 폴리이미드 전구체의 분말 입상체 제조방법.
- 제1항에 있어서, 방향족 다이안하이드라이드는 1,2,4,5-벤젠테트라카르복실릭디언하이드라이드, 3,3',4,4'-바이페닐테트라카르복실릭 디언하이드라이드, 4,4'-옥시디프탈릭 언하이드라이드, 4,4'-헥사플로로아이소프로필리덴 디프탈릭언하이드라이드 중에서 선택된 1종 이상인 것을 특징으로 하는 폴리이미드 전구체의 분말 입상체 제조방법.
- 제1항에 있어서, 방향족 디아민은 1,4-페닐렌디아민, 1,3-페닐렌디아민, 4,4'-메틸렌디아닐린, 4,4'-옥시페닐렌디아민 중에서 선택된 1종 이상인 것을 특징으로 하는 폴리이미드 전구체의 분말 입상체 제조방법.
- 제1항에 있어서, 비양자성 극성 용매는 N-메틸 피롤리돈, N,N'-디메틸아세트아미드, N,N'-디메틸포름아마이드 중에서 선택된 것을 특징으로 하는 폴리이미드 전구체의 분말 입상체 제조방법.
- 삭제
- 제1항 내지 제5항 중 어느 한 항의 제조방법으로부터 제조된 입자 크기 1 내지 50㎛인 폴리이미드 전구체의 분말 입상체.
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KR1020040087071A KR100874363B1 (ko) | 2004-10-29 | 2004-10-29 | 폴리이미드 전구체의 분말 입상체 제조 방법 |
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KR100874363B1 true KR100874363B1 (ko) | 2008-12-16 |
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Cited By (1)
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KR102255484B1 (ko) | 2019-12-06 | 2021-05-21 | 연세대학교 원주산학협력단 | 판상형 폴리이미드 분말의 제조방법 |
Families Citing this family (2)
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KR102013535B1 (ko) * | 2018-12-31 | 2019-08-22 | 에스케이씨코오롱피아이 주식회사 | 저장 안정성 및 점도 안정성이 향상된 폴리이미드 전구체 조성물의 제조방법, 이를 이용하여 제조된 폴리이미드 전구체 조성물 |
CN116426212A (zh) * | 2023-04-20 | 2023-07-14 | 安徽国风新材料股份有限公司 | 一种哑光聚酰亚胺涂层及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61250030A (ja) | 1985-04-26 | 1986-11-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | ポリイミド成型用樹脂及び成型品 |
US5463016A (en) | 1991-08-28 | 1995-10-31 | Unitika Ltd. | Granular material of polyimide precursor, mixture comprising the material and process for producing the material |
US6133408A (en) * | 1999-01-15 | 2000-10-17 | Wirex Corporation | Polyimide resin for cast on copper laminate and laminate produced therefrom |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61250030A (ja) | 1985-04-26 | 1986-11-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | ポリイミド成型用樹脂及び成型品 |
US5463016A (en) | 1991-08-28 | 1995-10-31 | Unitika Ltd. | Granular material of polyimide precursor, mixture comprising the material and process for producing the material |
US6133408A (en) * | 1999-01-15 | 2000-10-17 | Wirex Corporation | Polyimide resin for cast on copper laminate and laminate produced therefrom |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102255484B1 (ko) | 2019-12-06 | 2021-05-21 | 연세대학교 원주산학협력단 | 판상형 폴리이미드 분말의 제조방법 |
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