KR940014547A - Shrinkable biaxially stretched polyamide film and method for producing same - Google Patents

Shrinkable biaxially stretched polyamide film and method for producing same Download PDF

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Publication number
KR940014547A
KR940014547A KR1019920023195A KR920023195A KR940014547A KR 940014547 A KR940014547 A KR 940014547A KR 1019920023195 A KR1019920023195 A KR 1019920023195A KR 920023195 A KR920023195 A KR 920023195A KR 940014547 A KR940014547 A KR 940014547A
Authority
KR
South Korea
Prior art keywords
film
acid
tst
biaxially stretched
polyamide
Prior art date
Application number
KR1019920023195A
Other languages
Korean (ko)
Other versions
KR950013277B1 (en
Inventor
송기상
김진사
Original Assignee
하기주
주식회사 코오롱
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR1019920023195A priority Critical patent/KR950013277B1/en
Publication of KR940014547A publication Critical patent/KR940014547A/en
Application granted granted Critical
Publication of KR950013277B1 publication Critical patent/KR950013277B1/en

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Classifications

    • 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
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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

Abstract

본 발명은 나일론6 필름의 뒤어난 강도 및 산소차단성을 유지하면서 필름의 수축율을 크게 하고 균일한 수축특성을 나타내는 포장용 수축성 이축연신 폴리아미드 필름 및 제조방법에 관한 것으로, 헥사메틸렌디아민, 에틸렌디아민, 펜타메틸렌디아민, 메타, 파라크셀린디아민 및 이소프탈산, 테레프탈산, 아디핀산, 아제라인산 중에서 선택된 산, 염기 선분으로 구성되는 폴리아미드가 0.5~5중량% 포함되는 폴리아미드6 공중합체를 튜브상으로 압출, 급냉시키고 이어서 부정형의 시트를 종,횡방향으로 동시 이축연신한 후, 연신온도 이상, 170℃ 이하에서 열처리를 행하되 하기식을 만족하는 범위내에서 열처리함을 특징으로 하는 수축성 이축연신 폴리아미드 필름의 제조방법.The present invention relates to a packaging shrinkable biaxially stretched polyamide film and a manufacturing method for increasing the shrinkage of the film while maintaining the superior strength and oxygen barrier properties of the nylon 6 film, and exhibiting uniform shrinkage characteristics, including hexamethylenediamine, ethylenediamine, Extruded polyamide 6 copolymer containing 0.5 to 5% by weight of polyamide consisting of pentamethylenediamine, meta, paraxelindiamine and an acid selected from isophthalic acid, terephthalic acid, adipic acid, azeline acid, and base line segments. After quenching, and then simultaneously biaxially stretching the amorphous sheet in the longitudinal and transverse directions, heat treatment is performed at a stretching temperature not lower than 170 ° C. but heat-treated within a range satisfying the following formula. Manufacturing method.

TH=(240-Tst·3/2)±5(단, 90℃≥Tst≥70℃)T H = (240-Tst · 3/2) ± 5 (90 ℃ ≥Tst≥70 ℃)

(윗식에서 TH는 열처리 온도, Tst는 연신부 필름 온도임)Where T H is the heat treatment temperature and Tst is the stretching film temperature)

특히 상기 방법으로 제조된 필름의 100℃에서의 열수축은 종,횡방향 각각 30% 이상임을 특징으로 한다.In particular, the heat shrinkage at 100 ℃ of the film produced by the above method is characterized in that more than 30% in each of the longitudinal and transverse directions.

Description

수축성 이축연신 폴리아미드 필름 및 그 제조방법Shrinkable biaxially stretched polyamide film and method for producing same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (3)

헥사메틸렌디아민 및 이소프탈산과 같은 여타의 산, 염기 성분으로 구성되는 폴리아미드가 0.5~5중량% 포함되는 폴리아미드6 공중합체를 튜브상으로 압출, 급냉시키고 이어서 무정형의 시트를 종,횡방향으로 동시 이축연신한 후, 연신온도 이상, 170℃ 이하에서 열처리를 행하되 하기식을 만족하는 범위내에서 열처리함을 특징으로 하는 수축성 이축연신 폴리아미드 필름의 제조방법.A polyamide 6 copolymer containing 0.5 to 5% by weight of polyamide consisting of other acids and bases such as hexamethylenediamine and isophthalic acid is extruded and quenched into a tube, followed by quenching the amorphous sheet in the longitudinal and transverse directions. After the simultaneous biaxial stretching, the heat treatment at a stretching temperature of more than 170 ℃ or less, but the heat treatment within the range satisfying the following equation, characterized in that the manufacturing method of shrinkable biaxially stretched polyamide film. TM=(240-Tst.3/2)±5(단, 90℃≥Tst≥70℃)T M = (240-Tst.3 / 2) ± 5 (90 ℃ ≥Tst≥70 ℃) (윗식에서 TM는 열처리 온도, Tst는 연신부 필름 온도임)(T M is the heat treatment temperature and Tst is the stretch film temperature) 제1항에 있어서, 헥사메틸렌디아민 및 이소프탈산 외에 사용되는 산, 염기성분이 테레프탈산, 아디핀산, 아제라인산, 에틸렌디아민, 펜타메틸렌디아민, 메타, 파라크실렌디아민 중에서 선택됨을 특징으로 하는 수축성 이축연신 폴리아미드 필름의 제조방법.The shrinkable biaxially stretched polyamide according to claim 1, wherein the acid and base component used in addition to hexamethylenediamine and isophthalic acid are selected from terephthalic acid, adipic acid, azeline acid, ethylenediamine, pentamethylenediamine, meta, and paraxylenediamine. Method for producing a film. 100℃에서 열수축율이 종,횡방향 각각 30% 이상인 것을 특징으로 하는 수축성 이축연신 폴리아미드 필름.A shrinkable biaxially stretched polyamide film, characterized in that the thermal shrinkage at 100 ° C. is at least 30% in the longitudinal and transverse directions, respectively. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920023195A 1992-12-03 1992-12-03 Biaxial poly amide stretching film and it's making method KR950013277B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920023195A KR950013277B1 (en) 1992-12-03 1992-12-03 Biaxial poly amide stretching film and it's making method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920023195A KR950013277B1 (en) 1992-12-03 1992-12-03 Biaxial poly amide stretching film and it's making method

Publications (2)

Publication Number Publication Date
KR940014547A true KR940014547A (en) 1994-07-18
KR950013277B1 KR950013277B1 (en) 1995-11-02

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KR1019920023195A KR950013277B1 (en) 1992-12-03 1992-12-03 Biaxial poly amide stretching film and it's making method

Country Status (1)

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KR (1) KR950013277B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100371606B1 (en) * 1999-12-04 2003-02-11 주식회사 코오롱 A bi-axial oriented film having an excellent oxygen-barrier, and a process of preparing for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100371606B1 (en) * 1999-12-04 2003-02-11 주식회사 코오롱 A bi-axial oriented film having an excellent oxygen-barrier, and a process of preparing for the same

Also Published As

Publication number Publication date
KR950013277B1 (en) 1995-11-02

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