KR100888779B1 - 꼬임성이 우수한 폴리에스터 필름 - Google Patents
꼬임성이 우수한 폴리에스터 필름 Download PDFInfo
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- KR100888779B1 KR100888779B1 KR1020040022034A KR20040022034A KR100888779B1 KR 100888779 B1 KR100888779 B1 KR 100888779B1 KR 1020040022034 A KR1020040022034 A KR 1020040022034A KR 20040022034 A KR20040022034 A KR 20040022034A KR 100888779 B1 KR100888779 B1 KR 100888779B1
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- Prior art keywords
- film
- glycol
- polyethylene terephthalate
- polyester resin
- aromatic dicarboxylic
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/02—Wrappers or flexible covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
- B65D75/14—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks folded-up around all sides of the contents from a portion on which the contents are placed
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 비교예1 | 비교예2 | 비교예3 | ||
PET중합 모노머(몰%) | 테레프탈산 | 90 | 90 | 100 | 90 | 100 |
에틸렌글리콜 | 100 | 100 | 100 | 100 | 90 | |
디카르복실산 성분 | 나프탈렌 디카르복실산 | 이소프탈산 | - | 아디픽산 | - | |
글리콜 성분 | - | - | - | - | 네오펜틸 글리콜 | |
공중합성분 첨가방법 | 공중합 | 공중합 | - | 공중합 | 공중합 | |
공중합성분 함량(몰%) | 10 | 10 | - | 10 | 10 |
실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | |
Tg (℃) | 65 | 64 | 67 | 70 | 57 | 62 |
Tcc (℃) | 149 | 149 | 158 | 131 | 129 | 136 |
Tc (℃) | 157 | 154 | 149 | 190 | 193 | 172 |
필름결정화도(%) | 25 | 23 | 18 | 35 | 32 | 28 |
꼬임유지각도(θ,°) | 57 | 50 | 46 | 68 | 65 | 62 |
Claims (5)
- 에틸렌글리콜 및 테레프탈산으로 구성된 폴리에틸렌테레프탈레이트에 방향족 디카르복실산 및 선형 알킬렌글리콜 중에서 선택된 1종 이상을 첨가하여 공중합시켜 제조된 폴리에스터 수지에 있어서,상기 방향족 디카르복실산은 나프탈렌디카르복실산 또는 이소프탈산이며,상기 선형 알킬렌글리콜은 디에틸렌글리콜, 트리에틸렌글리콜 및 테트라에틸렌글리콜 중에서 선택된 1종 이상인 것이고,상기 폴리에스터 수지는 가열 결정화온도(Tcc)가 140℃ 이상이고, 냉각 결정화온도(Tc)가 170℃ 이하인 것을 특징으로 하는 꼬임성이 우수한 폴리에스터 수지.
- 에틸렌글리콜 및 테레프탈산으로 구성된 폴리에틸렌테레프탈레이트에 방향족 디카르복실산과 선형 알킬렌글리콜로 제조된 폴리에스터 수지를 블렌딩시켜 제조되며,상기 방향족 디카르복실산은 나프탈렌디카르복실산 또는 이소프탈산이며,상기 선형 알킬렌글리콜은 디에틸렌글리콜, 트리에틸렌글리콜 및 테트라에틸렌글리콜 중에서 선택된 1종 이상인 것이고,가열결정화온도(Tcc)가 140℃ 이상이고, 냉각결정화온도(Tc)가 170℃ 이하인 것인 꼬임성이 우수한 폴리에스터 수지.
- 삭제
- 삭제
- 제 1항 또는 제 2항의 폴리에스터 수지를 용융·압출시키고, 종·횡 방향으로 각각 3 내지 5배 이축연신시키고, 열처리시켜 얻어진 결정화도가 30% 이하이며, 꼬임유지각도(θ)가 60°이하인 꼬임성이 우수한 폴리에스터 필름.여기서, 꼬임유지각도(θ)는 다음 식으로부터 얻어진 것임.θ= 2sin-1( F/ 2L )2L : 접힌 필름 길이(20mm), F: 접힌 필름 양 끝단 간의 거리
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KR1020040022034A KR100888779B1 (ko) | 2004-03-31 | 2004-03-31 | 꼬임성이 우수한 폴리에스터 필름 |
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KR1020040022034A KR100888779B1 (ko) | 2004-03-31 | 2004-03-31 | 꼬임성이 우수한 폴리에스터 필름 |
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KR20050096602A KR20050096602A (ko) | 2005-10-06 |
KR100888779B1 true KR100888779B1 (ko) | 2009-03-13 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100873387B1 (ko) * | 2005-12-12 | 2008-12-10 | 주식회사 코오롱 | 꼬임성을 갖는 폴리에스테르 필름의 제조방법 |
KR100932289B1 (ko) * | 2008-07-30 | 2009-12-16 | 주식회사 코오롱 | 꼬임성을 갖는 폴리에스테르 필름 |
KR20150026368A (ko) | 2013-09-02 | 2015-03-11 | 삼성정밀화학 주식회사 | 생분해성 폴리에스테르 수지의 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003020387A (ja) | 2001-07-10 | 2003-01-24 | Toyobo Co Ltd | ヒネリ包装用ポリエステルフィルム |
KR20030048185A (ko) * | 2001-12-11 | 2003-06-19 | 에스케이씨 주식회사 | 이축연신 폴리에스테르 필름 |
JP2003311828A (ja) | 2002-04-24 | 2003-11-06 | Toyobo Co Ltd | ひねり包装用ニ軸延伸ポリエステルフィルム |
JP2004035594A (ja) | 2002-06-28 | 2004-02-05 | Toyobo Co Ltd | ニ軸延伸ポリエステル系フィルム |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003020387A (ja) | 2001-07-10 | 2003-01-24 | Toyobo Co Ltd | ヒネリ包装用ポリエステルフィルム |
KR20030048185A (ko) * | 2001-12-11 | 2003-06-19 | 에스케이씨 주식회사 | 이축연신 폴리에스테르 필름 |
JP2003311828A (ja) | 2002-04-24 | 2003-11-06 | Toyobo Co Ltd | ひねり包装用ニ軸延伸ポリエステルフィルム |
JP2004035594A (ja) | 2002-06-28 | 2004-02-05 | Toyobo Co Ltd | ニ軸延伸ポリエステル系フィルム |
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