KR950024867A - Manufacturing method of biaxially stretched polyester base film for spankle - Google Patents
Manufacturing method of biaxially stretched polyester base film for spankle Download PDFInfo
- Publication number
- KR950024867A KR950024867A KR1019940003066A KR19940003066A KR950024867A KR 950024867 A KR950024867 A KR 950024867A KR 1019940003066 A KR1019940003066 A KR 1019940003066A KR 19940003066 A KR19940003066 A KR 19940003066A KR 950024867 A KR950024867 A KR 950024867A
- Authority
- KR
- South Korea
- Prior art keywords
- stretching
- biaxially stretched
- spankle
- film
- base film
- Prior art date
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
본 발명은, 스팡클용 이축연신 폴리에스테르 베이스 필름의 제조방법에 관한 것이다.The present invention relates to a method for producing a biaxially stretched polyester base film for spankle.
본 발명은 폴리에스테르 폴리머를 필름 다이를 통해 캐스팅 드럼상으로 토출시킨 후, 종방향 및 횡방향으로 연신하는 것으로 행하여지는 이축연신 폴리에스테르 필름의 제조방법에 있어서, 종방향으로 2.5∼3.5배의 연신배율로 연신한 후, 이어서 횡방향으로 연신한 후 횡방향 연신이완율을 3∼5%되도록 유지하도록 함을 특징으로 하는 스팡클용 이축연신 폴리에스케르 베이스 필름의 제조방법이다.The present invention relates to a method for producing a biaxially stretched polyester film, which is performed by discharging a polyester polymer through a film die onto a casting drum and then stretching in the longitudinal direction and the transverse direction. After stretching at a magnification, the film is subsequently stretched in the transverse direction and then maintained at a transverse stretching relaxation rate of 3 to 5%.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940003066A KR950024867A (en) | 1994-02-21 | 1994-02-21 | Manufacturing method of biaxially stretched polyester base film for spankle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940003066A KR950024867A (en) | 1994-02-21 | 1994-02-21 | Manufacturing method of biaxially stretched polyester base film for spankle |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950024867A true KR950024867A (en) | 1995-09-15 |
Family
ID=66689519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940003066A KR950024867A (en) | 1994-02-21 | 1994-02-21 | Manufacturing method of biaxially stretched polyester base film for spankle |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950024867A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017131373A1 (en) * | 2016-01-29 | 2017-08-03 | (주)효성 | Method for manufacturing polyester film by using simultaneous biaxial stretching method |
-
1994
- 1994-02-21 KR KR1019940003066A patent/KR950024867A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017131373A1 (en) * | 2016-01-29 | 2017-08-03 | (주)효성 | Method for manufacturing polyester film by using simultaneous biaxial stretching method |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |