KR970008255B1 - 폴리에스테르 필름의 제조방법 - Google Patents
폴리에스테르 필름의 제조방법 Download PDFInfo
- Publication number
- KR970008255B1 KR970008255B1 KR1019930023902A KR930023902A KR970008255B1 KR 970008255 B1 KR970008255 B1 KR 970008255B1 KR 1019930023902 A KR1019930023902 A KR 1019930023902A KR 930023902 A KR930023902 A KR 930023902A KR 970008255 B1 KR970008255 B1 KR 970008255B1
- Authority
- KR
- South Korea
- Prior art keywords
- sheet
- rolls
- preheating
- temperature
- polyester film
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 229920006267 polyester film Polymers 0.000 title claims description 13
- 230000009477 glass transition Effects 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 description 31
- 230000008569 process Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 235000013399 edible fruits Nutrition 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- -1 and preferably Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- BTVWZWFKMIUSGS-UHFFFAOYSA-N dimethylethyleneglycol Natural products CC(C)(O)CO BTVWZWFKMIUSGS-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/023—Half-products, e.g. films, plates
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
- B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Claims (1)
- 무정형 무배향의 폴리에스테르 쉬트를 종방향으로 연신하기 전에 쉬트를 예열하는 공정을 포함하는 이축연신 폴리에스테르 필름의 제조방법에 있어서, 상기 쉬트의 예열 공정이 예열원으로써 열풍 가열기를 사용하고 쉬트의 예열온도 범위를 다음 식과 같이 한정하는 것을 특징으로 하는 이축연신 폴리에스테르 필름의 제조방법.유리천이온도≤Ts≤유리천이온도+40℃(단, Ts : 쉬트의 온도)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930023902A KR970008255B1 (ko) | 1993-11-11 | 1993-11-11 | 폴리에스테르 필름의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930023902A KR970008255B1 (ko) | 1993-11-11 | 1993-11-11 | 폴리에스테르 필름의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950013691A KR950013691A (ko) | 1995-06-15 |
KR970008255B1 true KR970008255B1 (ko) | 1997-05-22 |
Family
ID=19367803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930023902A Expired - Lifetime KR970008255B1 (ko) | 1993-11-11 | 1993-11-11 | 폴리에스테르 필름의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970008255B1 (ko) |
-
1993
- 1993-11-11 KR KR1019930023902A patent/KR970008255B1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR950013691A (ko) | 1995-06-15 |
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19970428 Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19970412 |
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