KR20010054250A - 산소차단성이 우수한 2축 연신 필름 및 그의 제조방법 - Google Patents
산소차단성이 우수한 2축 연신 필름 및 그의 제조방법 Download PDFInfo
- Publication number
- KR20010054250A KR20010054250A KR1019990054970A KR19990054970A KR20010054250A KR 20010054250 A KR20010054250 A KR 20010054250A KR 1019990054970 A KR1019990054970 A KR 1019990054970A KR 19990054970 A KR19990054970 A KR 19990054970A KR 20010054250 A KR20010054250 A KR 20010054250A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oriented film
- polymer
- oxygen barrier
- biaxially oriented
- Prior art date
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
- C08J2377/08—Polyamides derived from polyamines and polycarboxylic acids from polyamines and polymerised unsaturated fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
- C08L77/08—Polyamides derived from polyamines and polycarboxylic acids from polyamines and polymerised unsaturated fatty acids
Landscapes
- 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
구 분 | 중합체 혼합비율(A:B) | 압출기내 체류시간 |
실시예 1 | 20:80 | 3분 |
실시예 2 | 40:60 | 1분 |
실시예 3 | 30:70 | 4분 |
비교실시예 1 | 20:80 | 6분 |
비교실시예 2 | 40:60 | 7분 |
비교실시예 3 | 100:0 | 6분 |
구 분 | 모듈러스(kg/㎟) | 파단강도(kg/㎟) | 파단신도() | 피브릴현상(L/W) | 투습도(g/㎡·day·atm) | 산소투과계수(g/㎡·day·atm) | ||
종 | 횡 | 종 | 횡 | |||||
실시예 1 | 310 | 29 | 31 | 108 | 84 | 8.2 | 30 | 12 |
실시예 2 | 320 | 32 | 38 | 130 | 81 | 12.5 | 28 | 8 |
실시예 3 | 300 | 35 | 33 | 112 | 92 | 15.6 | 31 | 10 |
비교실시예 1 | 160 | 25 | 23 | 73 | 63 | 2.0 | 48 | 23 |
비교실시예 2 | 290 | 24 | 25 | 89 | 78 | 35.7 | 37 | 18 |
비교실시예 3 | 280 | 29 | 27 | 110 | 97 | - | 83 | 35 |
Claims (5)
- 중합체 용액을 압출, 2축 연신 및 열고정하여 2축 연신 필름을 제조함에 있어서, 메타크실렌디아민을 주성분으로 하는 크실렌디아민과 1종 이상의 지방족디카본산의 중합으로 제조되는 메타크실렌기를 함유하는 중합체(A) 20~60중량와 융점이 160℃ 이상이며 그라스 전이온도가 60℃ 이하이며 상기 메타크실렌기를 함유하는 중합체(A)와의 융점차이가 50℃ 이하인 지방족 폴리아미드 40~80중량로 구성되며 용융점도비가 0.5~5.5인 혼합중합체를 압출다이내 전단속도가 20~90sec-1인 조건으로 압출함을 특징으로 하는 산소차단성이 우수한 2축 연신 필름의 제조방법.
- 1항에 있어서, 메타크실렌디아민을 주성분으로 하는 크실렌디아민에 파라크실렌디아민이 30중량이하 함유된 것을 특징으로 하는 산소차단성이 우수한 2축 연신 필름의 제조방법.
- 1항에 있어서, 지방족디카본산의 탄소수가 6~10개인 것을 특징으로 하는 산소차단성이 우수한 2축 연신 필름의 제조방법.
- 메타크실렌기를 함유하는 중합체와 지방족 폴리아미드로 구성되며, 상기 메타크실렌기를 함유하는 중합체의 피브릴이 필름 내에 아래 식(I)의 조건으로 형성되어 있는 것을 특징으로 하는 산소차단성이 우수한 2축 연신 필름.- 아 래 -4 ≤ L/W ≤ 20 (I)상기 식에서, L은 피브릴 길이이고, W는 피브릴의 폭이다.
- 4항에 있어서, 메타크실렌기를 함유하는 중합체가 폴리메타크실렌아디프아미드인 것을 특징으로 하는 산소차단성이 우수한 2축 연신 필름.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0054970A KR100371606B1 (ko) | 1999-12-04 | 1999-12-04 | 산소차단성이 우수한 2축 연신 필름 및 그의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0054970A KR100371606B1 (ko) | 1999-12-04 | 1999-12-04 | 산소차단성이 우수한 2축 연신 필름 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010054250A true KR20010054250A (ko) | 2001-07-02 |
KR100371606B1 KR100371606B1 (ko) | 2003-02-11 |
Family
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Application Number | Title | Priority Date | Filing Date |
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KR10-1999-0054970A KR100371606B1 (ko) | 1999-12-04 | 1999-12-04 | 산소차단성이 우수한 2축 연신 필름 및 그의 제조방법 |
Country Status (1)
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KR (1) | KR100371606B1 (ko) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2020481A1 (en) * | 1989-07-21 | 1991-01-22 | John D. Matlack | Polyamide compositions having improved gas barrier properties |
DE4001612C2 (de) * | 1990-01-20 | 1999-05-27 | Hoechst Ag | Mehrschichtige Verpackungshülle auf Basis von Polyamid |
KR950013277B1 (ko) * | 1992-12-03 | 1995-11-02 | 주식회사코오롱 | 수축성 이축연신 폴리아미드 필름 및 그 제조방법 |
KR100212919B1 (ko) * | 1993-12-15 | 1999-08-02 | 구광시 | 산소차단성이 우수한 이축연신 폴리아미드 필름의 제조방법 |
KR100237216B1 (ko) * | 1994-12-20 | 2000-01-15 | 구광시 | 이축 연신 폴리아미드 필름 및 그 제조 방법 |
US5849380A (en) * | 1995-12-27 | 1998-12-15 | Mitsubishi Gas Chemical Company, Inc. | Deoxidizing multi-layer material and packaging container using same |
JP3323048B2 (ja) * | 1996-01-08 | 2002-09-09 | ユニチカ株式会社 | 多層延伸ポリアミドフィルム |
SE9801140D0 (sv) * | 1998-04-01 | 1998-04-01 | Tetra Laval Holdings & Finance | Laminerat förpackningsmaterial samt förpackningsbehållare framställd därav |
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1999
- 1999-12-04 KR KR10-1999-0054970A patent/KR100371606B1/ko not_active IP Right Cessation
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Publication number | Publication date |
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KR100371606B1 (ko) | 2003-02-11 |
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