CN107722517A - 一种聚四氟乙烯薄膜的生产方法 - Google Patents
一种聚四氟乙烯薄膜的生产方法 Download PDFInfo
- Publication number
- CN107722517A CN107722517A CN201710902477.2A CN201710902477A CN107722517A CN 107722517 A CN107722517 A CN 107722517A CN 201710902477 A CN201710902477 A CN 201710902477A CN 107722517 A CN107722517 A CN 107722517A
- Authority
- CN
- China
- Prior art keywords
- parts
- reactor
- production method
- polytetrafluoroethylene
- temperature
- 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.)
- Pending
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 30
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 30
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000004642 Polyimide Substances 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims abstract description 7
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 229920001721 polyimide Polymers 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 238000010096 film blowing Methods 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 238000005453 pelletization Methods 0.000 claims abstract description 6
- 239000002985 plastic film Substances 0.000 claims abstract description 6
- 229920006255 plastic film Polymers 0.000 claims abstract description 6
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000010792 warming Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000009965 odorless effect Effects 0.000 abstract description 3
- 238000005267 amalgamation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000008236 heating water Substances 0.000 abstract description 2
- 238000007605 air drying Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了一种聚四氟乙烯薄膜的生产方法。它包括以下步骤:A、称取聚四氟乙烯、聚丙烯酰胺、碳酸钙、二氧化硅、聚氨酯、聚酰亚胺投入到反应釜中;B、向反应釜中通入氮气加热,然后再称取玻璃纤维、滑石粉、碳黑投入到反应釜中继续加热;C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工;D、双螺杆挤出样条经过风冷后到温控室内在升温水冷,然后通过风干、切粒,得到母粒,将母粒放入塑料吹膜机挤出吹膜,即得到成品。采用上述方法后,使各种成份融合性大大得到提高,保证了产品的密度和平整度,避免了瑕疵,具有良好的耐热酸碱、耐摩擦以及质轻、无毒、无臭等优点,其拉伸能力、导热能力及抗腐蚀能力和光滑性得到突破性提高。
Description
技术领域
本发明涉及一种高分子材料,具体地说是一种聚四氟乙烯薄膜的生产方法,属于化工材料技术领域。
背景技术
塑料薄膜是一种应用范围十分广阔的薄膜种类,并且随着社会的发展,各行各业对塑料薄膜的需求也越来越多,塑料薄膜主要用于包装和覆膜,已经广泛地应用于食品、医药、化工等各个领域,给人们生活带来了极大的便利,而聚四氟乙烯具有良好的耐热性好及轻量化等性能,市场占有率也较高,因此促使着聚四氟乙烯薄膜技术的发展,特别是制成的聚四氟乙烯薄膜具有良好的耐热酸碱、耐摩擦以及质轻、无毒、无臭等优点使其发展十分迅速,然而现有的聚四氟乙烯薄膜由于配方及生产方法具有不足之处,因此,其拉伸能力、导热能力以及抗腐蚀能力和光滑性得不到保证,特别是生产过程中工艺条件不合理,使得产品存在不平整,密度不够等瑕疵。
发明内容
本发明要解决的技术问题是提供一种工艺先进,拉伸能力、导热化能力以及抗腐蚀能力和光滑性好且平整度好的聚四氟乙烯薄膜的生产方法。
为了解决上述技术问题,本发明的聚四氟乙烯薄膜的生产方法,包括以下步骤:
A、按重量份称取聚四氟乙烯75-95份、聚丙烯酰胺15-18份、碳酸钙7-10份、二氧化硅1-2份、聚氨酯6-8份、聚酰亚胺13-15份投入到反应釜中;
B、向反应釜中通入氮气加热20-30分钟,然后再按重量份称取玻璃纤维2-3份、滑石粉3-5份、碳黑1-2份投入到反应釜中继续加热反应40-60分钟;
C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工;
D、双螺杆挤出机的双螺杆挤出样条经过风冷后到温控室内在升温至50-60℃的条件下进行水冷,然后通过风干、切粒,得到母粒,最后将母粒放入塑料吹膜机挤出吹膜,即得到成品。
在所述反应釜中首次加热的温度为170-210℃,在所述反应釜中后续加热温度为230-250℃。
所述恒温料斗的温度控制在75-80℃。
采用上述的方法后,一方面,由于采用了合理比例的配方并且在原料配方中添加了玻璃纤维、滑石粉、二氧化硅、碳黑、聚氨酯、聚酰亚胺等新的成份并且合理的限定了各种成份之间的比例,其巧妙地成份配比不但使各种成份融合性大大得到提高,另外一方面,在加工过程中,通过二次加料、恒温送料以及升温水冷等方式使得产品在加工过程中充分混合且质量均匀,由此保证了产品的密度和平整度,避免了瑕疵,其工艺方法科学合理,最终使其产品不但具有良好的耐热酸碱、耐摩擦以及质轻、无毒、无臭等优点而且其拉伸能力、导热能力以及抗腐蚀能力和光滑性得到突破性提高。
具体实施方式
下面结合具体实施方式,对本发明的聚四氟乙烯薄膜的生产方法作进一步详细说明。
实施例一:
本实施例的聚四氟乙烯薄膜的生产方法,包括以下步骤:
A、按重量份称取聚四氟乙烯75份、聚丙烯酰胺15份、碳酸钙7份、二氧化硅1份、聚氨酯6份、聚酰亚胺13份投入到反应釜中;
B、向反应釜中通入氮气加热20分钟,加热的温度为170℃,然后再按重量份称取玻璃纤维2份、滑石粉3份、碳黑1份投入到反应釜中继续加热反应40分钟,加热温度为230℃;
C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工其中,恒温料斗的温度控制在75℃;
D、双螺杆挤出机的双螺杆挤出样条经过风冷后到温控室内在升温至50℃的条件下进行水冷,然后通过风干、切粒,得到母粒,最后将母粒放入塑料吹膜机挤出吹膜,即得到成品。
实施例二:
本实施例的聚四氟乙烯薄膜的生产方法,包括以下步骤:
A、按重量份称取聚四氟乙烯80份、聚丙烯酰胺17份、碳酸钙9份、二氧化硅1份、聚氨酯7份、聚酰亚胺14份投入到反应釜中;
B、向反应釜中通入氮气加热25分钟,加热的温度为190℃,然后再按重量份称取玻璃纤维3份、滑石粉4份、碳黑1份投入到反应釜中继续加热反应50分钟,加热温度为240℃;
C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工其中,恒温料斗的温度控制在77℃;
D、双螺杆挤出机的双螺杆挤出样条经过风冷后到温控室内在升温至55℃的条件下进行水冷,然后通过风干、切粒,得到母粒,最后将母粒放入塑料吹膜机挤出吹膜,即得到成品。
实施例三:
本实施例的聚四氟乙烯薄膜的生产方法,包括以下步骤:
A、按重量份称取聚四氟乙烯95份、聚丙烯酰胺18份、碳酸钙10份、二氧化硅2份、聚氨酯8份、聚酰亚胺15份投入到反应釜中;
B、向反应釜中通入氮气加热30分钟,加热的温度为210℃,然后再按重量份称取玻璃纤维3份、滑石粉5份、碳黑2份投入到反应釜中继续加热反应60分钟,加热温度为250℃;
C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工其中,恒温料斗的温度控制在80℃;
D、双螺杆挤出机的双螺杆挤出样条经过风冷后到温控室内在升温至60℃的条件下进行水冷,然后通过风干、切粒,得到母粒,最后将母粒放入塑料吹膜机挤出吹膜,即得到成品。
Claims (3)
1.一种聚四氟乙烯薄膜的生产方法,包括以下步骤:
A、按重量份称取聚四氟乙烯75-95份、聚丙烯酰胺15-18份、碳酸钙7-10份、二氧化硅1-2份、聚氨酯6-8份、聚酰亚胺13-15份投入到反应釜中;
B、向反应釜中通入氮气加热20-30分钟,然后再按重量份称取玻璃纤维2-3份、滑石粉3-5份、碳黑1-2份投入到反应釜中继续加热反应40-60分钟;
C、将反应后的混合料通过恒温料斗送入双螺杆挤出机内进行加工;
D、双螺杆挤出机的双螺杆挤出样条经过风冷后到温控室内在升温至50-60℃的条件下进行水冷,然后通过风干、切粒,得到母粒,最后将母粒放入塑料吹膜机挤出吹膜,即得到成品。
2.按照权利要求1所述的聚四氟乙烯薄膜的生产方法,其特征在于:在所述反应釜中首次加热的温度为170-210℃,在所述反应釜中后续加热温度为230-250℃。
3.按照权利要求1所述的聚四氟乙烯薄膜的生产方法,其特征在于:所述恒温料斗的温度控制在75-80℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710902477.2A CN107722517A (zh) | 2017-09-29 | 2017-09-29 | 一种聚四氟乙烯薄膜的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710902477.2A CN107722517A (zh) | 2017-09-29 | 2017-09-29 | 一种聚四氟乙烯薄膜的生产方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107722517A true CN107722517A (zh) | 2018-02-23 |
Family
ID=61208947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710902477.2A Pending CN107722517A (zh) | 2017-09-29 | 2017-09-29 | 一种聚四氟乙烯薄膜的生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107722517A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110698795A (zh) * | 2019-10-11 | 2020-01-17 | 宁波超越新材料科技有限公司 | 一种聚四氟乙烯膜及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104086926A (zh) * | 2014-07-24 | 2014-10-08 | 太仓市晨洲塑业有限公司 | 一种改性耐磨聚四氟乙烯塑料配方 |
CN104744864A (zh) * | 2015-03-19 | 2015-07-01 | 苏州欢颜电气有限公司 | 一种电容器用聚四氟乙烯薄膜 |
CN104877332A (zh) * | 2015-05-22 | 2015-09-02 | 苏州市贝克生物科技有限公司 | 一种医用薄膜的制备方法 |
-
2017
- 2017-09-29 CN CN201710902477.2A patent/CN107722517A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104086926A (zh) * | 2014-07-24 | 2014-10-08 | 太仓市晨洲塑业有限公司 | 一种改性耐磨聚四氟乙烯塑料配方 |
CN104744864A (zh) * | 2015-03-19 | 2015-07-01 | 苏州欢颜电气有限公司 | 一种电容器用聚四氟乙烯薄膜 |
CN104877332A (zh) * | 2015-05-22 | 2015-09-02 | 苏州市贝克生物科技有限公司 | 一种医用薄膜的制备方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110698795A (zh) * | 2019-10-11 | 2020-01-17 | 宁波超越新材料科技有限公司 | 一种聚四氟乙烯膜及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102532747A (zh) | 一种聚氯乙烯装饰材料及其制备方法 | |
CN103333397B (zh) | 一种可增加塑料制品强度和韧度的填充母料及其制备方法 | |
CN102516623A (zh) | 一种耐高温化学交联聚乙烯泡棉及其制备方法 | |
CN107474354A (zh) | 一种高分散石墨烯导热塑料制备方法及其产品和应用 | |
CN103112184A (zh) | 一次性熔融再生聚乙烯农用地膜制备工艺 | |
CN105670137A (zh) | 一种聚丁烯发泡材料及其制备方法 | |
CN109575473A (zh) | 一种广泛使用的保温pvc板及其生产方法 | |
CN107722517A (zh) | 一种聚四氟乙烯薄膜的生产方法 | |
CN103435920B (zh) | 一种三元乙丙再生橡胶密封条的生产方法 | |
CN105385070A (zh) | 基于纳米碳酸钙的电线电缆皮的加工工艺 | |
CN110218385A (zh) | 一种聚乙烯助剂母粒、制备方法及制备聚乙烯制品的用途 | |
CN106084837A (zh) | 一种pe脂塑材料及其制备方法 | |
CN107603030A (zh) | 一种聚丙烯薄膜的生产方法 | |
CN112194834A (zh) | 一种耐高温收缩的聚乙烯发泡片材及其制备方法 | |
CN110295414A (zh) | 一种环保节能型乳胶丝产品及其制备方法 | |
CN112812414B (zh) | 一种氟硅聚合物加工助剂母粒及其制备方法 | |
CN112358703B (zh) | 一种用于阻燃abs生产的氯化聚乙烯的制备方法 | |
CN114874637A (zh) | 一种环保可降解改性聚氯乙烯复合材料及其制备方法和应用 | |
CN110903541B (zh) | 聚烯烃透气膜用树脂的制造方法 | |
CN104151826B (zh) | 一种聚醚砜树脂薄膜材料及其制备方法 | |
CN106009568A (zh) | 一种低成本高耐热聚乳酸制品的冷结晶生产工艺 | |
CN105860461A (zh) | 一种可完全降解石头纸的制备方法 | |
CN112143217A (zh) | 一种低介电损耗导热材料及其制法 | |
CN112920527B (zh) | 一种含铁离子和钼酸根离子配合物的阻燃抑烟pvc板材及其制备方法 | |
CN102977454A (zh) | 一种高断裂伸长率的改性聚丙烯及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |