JPH0242052B2 - - Google Patents
Info
- Publication number
- JPH0242052B2 JPH0242052B2 JP9191483A JP9191483A JPH0242052B2 JP H0242052 B2 JPH0242052 B2 JP H0242052B2 JP 9191483 A JP9191483 A JP 9191483A JP 9191483 A JP9191483 A JP 9191483A JP H0242052 B2 JPH0242052 B2 JP H0242052B2
- Authority
- JP
- Japan
- Prior art keywords
- stretching
- film
- tube
- temperature
- start point
- 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
Links
- 238000000034 method Methods 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920002799 BoPET Polymers 0.000 claims description 5
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 claims 1
- 230000006837 decompression Effects 0.000 description 14
- 229920000728 polyester Polymers 0.000 description 13
- 229920006267 polyester film Polymers 0.000 description 11
- 230000009477 glass transition Effects 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000004804 winding Methods 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
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9191483A JPS59215829A (ja) | 1983-05-23 | 1983-05-23 | 二軸配向ポリエチレンテレフタレ−ト管状体フイルムの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9191483A JPS59215829A (ja) | 1983-05-23 | 1983-05-23 | 二軸配向ポリエチレンテレフタレ−ト管状体フイルムの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59215829A JPS59215829A (ja) | 1984-12-05 |
| JPH0242052B2 true JPH0242052B2 (ko) | 1990-09-20 |
Family
ID=14039848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9191483A Granted JPS59215829A (ja) | 1983-05-23 | 1983-05-23 | 二軸配向ポリエチレンテレフタレ−ト管状体フイルムの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59215829A (ko) |
-
1983
- 1983-05-23 JP JP9191483A patent/JPS59215829A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59215829A (ja) | 1984-12-05 |
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