CN111393694A - TPU film with good surface polarity and preparation process thereof - Google Patents
TPU film with good surface polarity and preparation process thereof Download PDFInfo
- Publication number
- CN111393694A CN111393694A CN202010405640.6A CN202010405640A CN111393694A CN 111393694 A CN111393694 A CN 111393694A CN 202010405640 A CN202010405640 A CN 202010405640A CN 111393694 A CN111393694 A CN 111393694A
- Authority
- CN
- China
- Prior art keywords
- tpu film
- putting
- parts
- particles
- preparation process
- 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
Images
Classifications
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- C08K3/34—Silicon-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a TPU film with good surface polarity and a preparation process thereof, wherein the TPU film consists of 80-95 parts of polyurethane particles and 5-15 parts of silicon aluminum salt, and the preparation process comprises the following steps: firstly, respectively and sequentially putting the polyurethane particles and the aluminosilicate in parts by weight into a stirrer for stirring, and after uniformly stirring, putting the mixture into a drying dehumidifier for drying and dehumidifying treatment; putting the polyurethane particles and the silicon-aluminum salt mixture into a double-helix plasticizing machine for plasticizing, extruding the plasticized polyurethane particles and the plasticized silicon-aluminum salt mixture into cold water for cooling, and shearing the mixture into granules after cooling to obtain TPU membrane granules; putting the prepared TPU film particles into a dryer for drying treatment; and (3) putting the dried TPU film particles into a casting machine, carrying out casting treatment and roll forming, and finally obtaining the TPU film. The invention utilizes a reasonable chemical formula to adjust the gaps of the rearranged matrix molecules, so that the surface tension of the TPU film reaches 38-40 dyne value, and the requirements of users on printing and gluing are met.
Description
Technical Field
The invention belongs to the technical field of TPU (thermoplastic polyurethane) films and preparation processes thereof, and particularly relates to a TPU film with good surface polarity and a preparation process thereof.
Background
The TPU film belongs to longitudinal stretching film forming in a production process, the polarity of the surface of the TPU film can be greatly changed by rolling and stretching in the production process, the surface tension of the TPU film is closely related to a molecular arrangement matrix, the surface tension is small, printing ink printing is not facilitated, gluing is not facilitated, the surface tension is changed by a chemical processing aid in the printing and gluing process of the TPU film in general enterprises, toluene or DMF solvent is used for wiping the surface of the TPU film, the surface structure of the TPU film is damaged, the surface of the TPU film is enabled to be in a concave-convex state, the best gluing and printing effects are achieved, but with the prohibition of chemical reagents and the prohibition of harmful substances, the toluene and DMF solvent can not meet the market requirements any more.
Therefore, a TPU film and a process for preparing the same are needed to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a TPU film with good surface polarity and a preparation process thereof, wherein the TPU film comprises 80-95 parts by weight of polyurethane particles and 5-15 parts by weight of silicon aluminum salt, and the preparation process of the TPU film comprises the following steps:
s1: firstly, respectively and sequentially putting the polyurethane particles and the aluminosilicate in parts by weight into a stirrer for stirring, and after uniformly stirring, putting the mixture into a drying dehumidifier for drying and dehumidifying treatment;
s2: putting the polyurethane particles and the silicon-aluminum salt mixture subjected to drying and dehumidifying treatment into a double-helix plasticizing machine for plasticizing, extruding the plasticized polyurethane particles and the silicon-aluminum salt mixture into cold water for cooling, and shearing into granules after cooling to obtain TPU membrane granules;
s3: putting the prepared TPU film particles into a dryer for drying treatment;
s4: and (3) putting the dried TPU film particles into a casting machine, carrying out casting treatment and roll forming, and finally obtaining the TPU film.
Preferably, the TPU film comprises 90 parts of polyurethane particles and 10 parts of silicon aluminum salt by weight.
Preferably, the screw temperature of the double-helix plasticizing machine is 200-210 ℃.
Preferably, the die temperature of the casting machine is 180-185 ℃.
Preferably, the TPU film has the characteristics of ink resistance, acid and alkali resistance, cold and heat shock resistance, yellowing resistance and ultraviolet light resistance.
The invention has the beneficial effects that: the reasonable chemical formula is utilized to solve the problems that the TPU film is stretched and rolled in the production process, the molecules rearrange the matrix, and the gaps of the rearranged matrix molecules are adjusted, so that the surface tension of the TPU film reaches 38-40 dyne values, and the requirements of printing and gluing during the use of a user are met.
Drawings
FIG. 1 is a diagram of the steps of a TPU film with good surface polarity and its preparation process.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described below:
example (b):
as shown in the attached figure 1, the TPU film with good surface polarity comprises 80-95 parts of polyurethane particles and 5-15 parts of silicon aluminum salt by weight, and the preparation process of the TPU film comprises the following steps:
(1) firstly, respectively putting 80-95 parts of polyurethane particles and 5-15 parts of aluminosilicate into a stirrer for stirring, putting into a drying dehumidifier for drying and dehumidifying treatment for 2-3h after uniform stirring, and taking out;
(2) putting the polyurethane particles and the silicon-aluminum salt mixture subjected to drying and dehumidifying treatment into a double-helix plasticizing machine, plasticizing at the screw temperature of the double-helix plasticizing machine of 200-210 ℃, putting the plasticized polyurethane particles and the silicon-aluminum salt mixture into cold water for cooling, and shearing into granules after cooling to obtain TPU membrane granules;
s4: putting the prepared TPU film particles into a dryer for drying treatment for 20-30min, and taking out;
s3: and (3) putting the dried TPU film particles into a casting machine, wherein the die head temperature of the casting machine is 180-185 ℃, carrying out casting treatment and roll forming, and finally obtaining the TPU film.
Specifically, the TPU film has the characteristics of ink resistance, acid and alkali resistance, cold and heat shock resistance, yellowing resistance and ultraviolet light resistance, does not contain heavy metals, and the safety of the TPU film meets all environmental protection and safety standards.
Specifically, the TPU film is stretched in the production process, and gaps among rearranged matrix molecules are adjusted after rolling, so that the surface tension of the TPU film reaches 38-40 dyne values, and the requirements of users on printing and gluing in use are met.
It should be noted that, in this document, moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The TPU film with good surface polarity is characterized by comprising 80-95 parts of polyurethane particles and 5-15 parts of silicon aluminum salt by weight, and the preparation process of the TPU film comprises the following steps:
s1: firstly, respectively and sequentially putting the polyurethane particles and the aluminosilicate in parts by weight into a stirrer for stirring, and after uniformly stirring, putting the mixture into a drying dehumidifier for drying and dehumidifying treatment;
s2: putting the polyurethane particles and the silicon-aluminum salt mixture subjected to drying and dehumidifying treatment into a double-helix plasticizing machine for plasticizing, extruding the plasticized polyurethane particles and the silicon-aluminum salt mixture into cold water for cooling, and shearing into granules after cooling to obtain TPU membrane granules;
s3: putting the prepared TPU film particles into a dryer for drying treatment;
s4: and (3) putting the dried TPU film particles into a casting machine, carrying out casting treatment and roll forming, and finally obtaining the TPU film.
2. The TPU film with good surface polarity and the preparation process thereof as claimed in claim 1, wherein the TPU film comprises 90 parts by weight of polyurethane particles and 10 parts by weight of silicon aluminum salt.
3. The TPU film with good surface polarity as set forth in claim 1, wherein the screw temperature of the double helix plasticator is 200-210 ℃.
4. The TPU film with good surface polarity and the preparation process thereof as claimed in claim 1, wherein the die temperature of the casting machine is 180-185 ℃.
5. The TPU film with good surface polarity and the preparation process thereof as claimed in claim 1, wherein the TPU film has the characteristics of ink resistance, acid and alkali resistance, thermal shock resistance, yellowing resistance and ultraviolet light resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405640.6A CN111393694A (en) | 2020-05-14 | 2020-05-14 | TPU film with good surface polarity and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405640.6A CN111393694A (en) | 2020-05-14 | 2020-05-14 | TPU film with good surface polarity and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111393694A true CN111393694A (en) | 2020-07-10 |
Family
ID=71430073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010405640.6A Pending CN111393694A (en) | 2020-05-14 | 2020-05-14 | TPU film with good surface polarity and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111393694A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961384A (en) * | 2021-03-30 | 2021-06-15 | 东莞市华盛新材料有限公司 | Novel film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030228477A1 (en) * | 2002-06-07 | 2003-12-11 | Dimaio William G. | Thin-walled polyurethane articles |
| CN103693865A (en) * | 2013-12-25 | 2014-04-02 | 谢明星 | Production equipment and production method of cold-resistant safety glass laminated film |
-
2020
- 2020-05-14 CN CN202010405640.6A patent/CN111393694A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030228477A1 (en) * | 2002-06-07 | 2003-12-11 | Dimaio William G. | Thin-walled polyurethane articles |
| CN103693865A (en) * | 2013-12-25 | 2014-04-02 | 谢明星 | Production equipment and production method of cold-resistant safety glass laminated film |
Non-Patent Citations (2)
| Title |
|---|
| 眭国平: "挤出速率对热塑性聚氨酯压延膜表观质量的影响", 《上海塑料》 * |
| 顾汉卿等主编: "《生物医学材料学》", 31 August 1993, 天津科技翻译出版公司 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961384A (en) * | 2021-03-30 | 2021-06-15 | 东莞市华盛新材料有限公司 | Novel film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60032062T2 (en) | Coated foil | |
| US4228267A (en) | Methyl methacrylate-based resin film and sheet | |
| JPH0317136A (en) | Porous polytetrafluoroethylene and production thereof | |
| DE2065957A1 (en) | METHOD FOR PRODUCING A FILM ON THE BASIS OF A SYNTHETIC LINEAR POLYESTER | |
| JPS5936575B2 (en) | Manufacturing method of microporous polymer film | |
| EP0073325A2 (en) | Uniaxially oriented nylon film as carrier web for fiber reinforced plastics | |
| EP0945258A2 (en) | Sealable polyester film with good oxygen barrier properties, method for its manufacture and its use | |
| CN111393694A (en) | TPU film with good surface polarity and preparation process thereof | |
| DE19720506A1 (en) | Transparent polyester film with high oxygen barrier, process for its production and its use | |
| DE19813268A1 (en) | Use of a transparent polyester film as a gas / aroma barrier film | |
| DE2627362C2 (en) | ||
| KR100266849B1 (en) | Manufacture of polarzing film | |
| SU605531A3 (en) | Dull polymer film | |
| DE19813267A1 (en) | Transparent polyester film with high oxygen barrier and additional functionality, process for its production and its use | |
| CN116854975B (en) | Antistatic film and preparation method thereof | |
| CN108819414B (en) | Self-repairing TPU (thermoplastic polyurethane) protective film base film and preparation method thereof | |
| CN110358048B (en) | Preparation method of waterborne polyurethane emulsion for temperature-resistant transfer coating | |
| JP3283563B2 (en) | Polyvinyl alcohol film and polarizing film | |
| CN115340725B (en) | High-tensile-strength polypropylene film for lithium battery current collector and preparation method thereof | |
| CN117021725A (en) | Crystalline polyester heat-shrinkable film easy to recycle and preparation method thereof | |
| CN107877958A (en) | A kind of molding laser BOPET film without silane coupling agent and preparation method thereof | |
| DE10119023A1 (en) | Multilayer transparent biaxially oriented polyester film, process for its production and its use | |
| CN110218385A (en) | A kind of polyethylene processing aid master batch, preparation method and the purposes for preparing polyethylene products | |
| CN114106373B (en) | Preparation method of PVDF film with high beta crystal content | |
| JP4110630B2 (en) | Near infrared absorption filter |
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 |
Application publication date: 20200710 |
|
| RJ01 | Rejection of invention patent application after publication |