CN117162437A - 一种低纵向收缩率pla热缩膜及其制备方法 - Google Patents
一种低纵向收缩率pla热缩膜及其制备方法 Download PDFInfo
- Publication number
- CN117162437A CN117162437A CN202311446253.7A CN202311446253A CN117162437A CN 117162437 A CN117162437 A CN 117162437A CN 202311446253 A CN202311446253 A CN 202311446253A CN 117162437 A CN117162437 A CN 117162437A
- Authority
- CN
- China
- Prior art keywords
- film
- pla
- heat
- layer
- thickness
- 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.)
- Granted
Links
- 229920006257 Heat-shrinkable film Polymers 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 11
- 239000000155 melt Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012792 core layer Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000009998 heat setting Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 claims description 2
- 229920006300 shrink film Polymers 0.000 claims 7
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 238000003828 vacuum filtration Methods 0.000 claims 1
- 238000009489 vacuum treatment Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 238000012986 modification Methods 0.000 abstract description 9
- 230000004048 modification Effects 0.000 abstract description 9
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 27
- 239000004626 polylactic acid Substances 0.000 description 27
- 238000012360 testing method Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311446253.7A CN117162437B (zh) | 2023-11-02 | 2023-11-02 | 一种低纵向收缩率pla热缩膜及其制备方法 |
Applications Claiming Priority (1)
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---|---|---|---|
CN202311446253.7A CN117162437B (zh) | 2023-11-02 | 2023-11-02 | 一种低纵向收缩率pla热缩膜及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN117162437A true CN117162437A (zh) | 2023-12-05 |
CN117162437B CN117162437B (zh) | 2024-06-18 |
Family
ID=88943554
Family Applications (1)
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CN202311446253.7A Active CN117162437B (zh) | 2023-11-02 | 2023-11-02 | 一种低纵向收缩率pla热缩膜及其制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN117162437B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09314658A (ja) * | 1996-05-31 | 1997-12-09 | Kohjin Co Ltd | 一軸延伸脂肪族ポリエステルフィルム及びその製造方法 |
JP2008208270A (ja) * | 2007-02-27 | 2008-09-11 | Toyobo Co Ltd | 熱収縮性ポリエステル系フィルム、およびその製造方法 |
JP2009149066A (ja) * | 2007-11-29 | 2009-07-09 | Toyobo Co Ltd | ポリエチレンテレフタレート系樹脂フィルム、およびその製造方法 |
CN103522713A (zh) * | 2013-10-10 | 2014-01-22 | 宁波东旭成新材料科技有限公司 | 一种低收缩率双向拉伸塑料薄膜以及制备方法 |
CN103625061A (zh) * | 2013-11-29 | 2014-03-12 | 卫辉市银金达薄膜有限公司 | 一种流延加工成型的环保型可降解热收缩膜及其制造方法 |
CN107708966A (zh) * | 2015-06-11 | 2018-02-16 | 东洋纺株式会社 | 热收缩性聚酯系薄膜和包装体 |
CN113442401A (zh) * | 2021-06-22 | 2021-09-28 | 广东工业大学 | 一种高强高阻隔pga/pbat食品包装膜及其制备方法 |
CN115674626A (zh) * | 2022-10-11 | 2023-02-03 | 金发科技股份有限公司 | 一种生物降解热收缩膜的制备方法 |
-
2023
- 2023-11-02 CN CN202311446253.7A patent/CN117162437B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09314658A (ja) * | 1996-05-31 | 1997-12-09 | Kohjin Co Ltd | 一軸延伸脂肪族ポリエステルフィルム及びその製造方法 |
JP2008208270A (ja) * | 2007-02-27 | 2008-09-11 | Toyobo Co Ltd | 熱収縮性ポリエステル系フィルム、およびその製造方法 |
JP2009149066A (ja) * | 2007-11-29 | 2009-07-09 | Toyobo Co Ltd | ポリエチレンテレフタレート系樹脂フィルム、およびその製造方法 |
CN103522713A (zh) * | 2013-10-10 | 2014-01-22 | 宁波东旭成新材料科技有限公司 | 一种低收缩率双向拉伸塑料薄膜以及制备方法 |
CN103625061A (zh) * | 2013-11-29 | 2014-03-12 | 卫辉市银金达薄膜有限公司 | 一种流延加工成型的环保型可降解热收缩膜及其制造方法 |
CN107708966A (zh) * | 2015-06-11 | 2018-02-16 | 东洋纺株式会社 | 热收缩性聚酯系薄膜和包装体 |
CN113442401A (zh) * | 2021-06-22 | 2021-09-28 | 广东工业大学 | 一种高强高阻隔pga/pbat食品包装膜及其制备方法 |
CN115674626A (zh) * | 2022-10-11 | 2023-02-03 | 金发科技股份有限公司 | 一种生物降解热收缩膜的制备方法 |
Non-Patent Citations (1)
Title |
---|
应宗荣: "《材料成型原理及工艺》", 31 January 2005, 哈尔滨工业大学出版社, pages: 167 * |
Also Published As
Publication number | Publication date |
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CN117162437B (zh) | 2024-06-18 |
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Inventor after: Yan Yinfeng Inventor after: Li Yuanhong Inventor after: Zhang Qigang Inventor after: Wu Qi Inventor after: Cai Wenbin Inventor after: Fan Pengpeng Inventor after: Chen Jiaojiao Inventor after: Luo Yunpeng Inventor before: Zhang Qigang Inventor before: Li Yuanhong Inventor before: Yan Yinfeng Inventor before: Wu Qi Inventor before: Cai Wenbin Inventor before: Fan Pengpeng Inventor before: Chen Jiaojiao Inventor before: Luo Yunpeng |
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