CN111073262A - Automobile-used lacquer painting TPU protection film - Google Patents
Automobile-used lacquer painting TPU protection film Download PDFInfo
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- CN111073262A CN111073262A CN201911363527.XA CN201911363527A CN111073262A CN 111073262 A CN111073262 A CN 111073262A CN 201911363527 A CN201911363527 A CN 201911363527A CN 111073262 A CN111073262 A CN 111073262A
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- 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
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- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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
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- 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
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- 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)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a TPU protective film for a vehicle paint surface, which is prepared from the following raw materials in parts by mass: 60-80 parts of polyurethane, 1-2 parts of talcum powder, 8-12 parts of epoxy resin, 2-4 parts of calcium carbonate, 2-4 parts of white carbon black, 1-3 parts of flatting agent, 1-3 parts of cross-linking agent and 4-6 parts of curing agent.
Description
Technical Field
The invention relates to the technical field of TPU (thermoplastic polyurethane) protective films for automotive paint surfaces, in particular to a TPU protective film for automotive paint surfaces.
Background
The TPU film is prepared by special processes such as calendering, tape casting, film blowing, coating and the like on the basis of TPU granules.
The traditional TPU protective film for the vehicle finish has poor toughness and short service life, and influences the vehicle finish, so an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide a TPU protective film for a vehicle paint surface, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 60-80 parts of polyurethane, 1-2 parts of talcum powder, 8-12 parts of epoxy resin, 2-4 parts of calcium carbonate, 2-4 parts of white carbon black, 1-3 parts of flatting agent, 1-3 parts of cross-linking agent and 4-6 parts of curing agent.
Preferably, 70 parts of polyurethane, 1 part of talcum powder, 10 parts of epoxy resin, 3 parts of calcium carbonate, 3 parts of white carbon black, 2 parts of flatting agent, 2 parts of cross-linking agent and 5 parts of curing agent.
Preferably, the talcum powder is nano-grade talcum powder.
Preferably, the calcium carbonate is nanoscale calcium carbonate.
Preferably, the white carbon black is nano-scale white carbon black.
Preferably, the curing agent is dimethylbenzylamine.
Preferably, the preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 30-50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
Compared with the prior art, the invention has the beneficial effects that:
compared with the toughness of the traditional TPU protective film, the toughness of the TPU protective film for the automobile paint surface prepared by the method is improved by 5-7%, and the service life is ensured.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 provides a technical scheme that: the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 60-80 parts of polyurethane, 1-2 parts of talcum powder, 8-12 parts of epoxy resin, 2-4 parts of calcium carbonate, 2-4 parts of white carbon black, 1-3 parts of flatting agent, 1-3 parts of cross-linking agent and 4-6 parts of curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The first embodiment is as follows:
the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 60 parts of polyurethane, 1 part of talcum powder, 8 parts of epoxy resin, 2 parts of calcium carbonate, 2 parts of white carbon black, 1 part of flatting agent, 1 part of cross-linking agent and 4 parts of curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 30-50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The TPU protective film prepared by the embodiment is subjected to a toughness experiment, and the toughness of the TPU protective film prepared by the embodiment is greatly improved compared with that of the traditional TPU protective film.
Example two:
the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 65 parts of polyurethane, 1 part of talcum powder, 9 parts of epoxy resin, 3 parts of calcium carbonate, 3 parts of white carbon black, 1 part of flatting agent, 1 part of cross-linking agent and 4 parts of curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The toughness of the TPU protective film prepared in the embodiment is better than that of the TPU protective film prepared in the first embodiment by carrying out a toughness experiment on the TPU protective film prepared in the first embodiment.
Example three:
the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 70 parts of polyurethane, 1 part of talcum powder, 10 parts of epoxy resin, 3 parts of calcium carbonate, 3 parts of white carbon black, 2 parts of flatting agent, 2 parts of cross-linking agent and 5 parts of curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The toughness of the TPU protective film prepared in the embodiment is better than that of the TPU protective film prepared in the second embodiment by carrying out a toughness experiment on the TPU protective film prepared in the second embodiment.
Example four:
the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 75 parts of polyurethane, 2 parts of talcum powder, 11 parts of epoxy resin, 3 parts of calcium carbonate, 3 parts of white carbon black, 2 parts of a leveling agent, 2 parts of a cross-linking agent and 5 parts of a curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The toughness test of the TPU protective film prepared in the example is carried out, and the toughness of the TPU protective film prepared in the example is slightly poorer than that of the TPU protective film prepared in the third example.
Example five:
the TPU protective film for the automobile paint surface is prepared from the following raw materials in parts by mass: 80 parts of polyurethane, 2 parts of talcum powder, 12 parts of epoxy resin, 4 parts of calcium carbonate, 4 parts of white carbon black, 3 parts of a leveling agent, 3 parts of a cross-linking agent and 6 parts of a curing agent.
The preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
The toughness test of the TPU protective film prepared in the example is carried out, and the toughness of the TPU protective film prepared in the example is slightly poorer than that of the TPU protective film prepared in the third example.
All the TPU protective films prepared in the first to fifth embodiments are subjected to toughness tests, the toughness is improved by 5 to 7 percent compared with that of the traditional TPU protective film, and the toughness of the TPU protective film prepared in the third embodiment reaches the highest performance.
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 (7)
1. The utility model provides an automobile-used lacquer painting TPU protection film which characterized in that: the composition is prepared from the following raw materials in parts by mass: 60-80 parts of polyurethane, 1-2 parts of talcum powder, 8-12 parts of epoxy resin, 2-4 parts of calcium carbonate, 2-4 parts of white carbon black, 1-3 parts of flatting agent, 1-3 parts of cross-linking agent and 4-6 parts of curing agent.
2. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the composition is prepared from the following raw materials in parts by mass: 70 parts of polyurethane, 1 part of talcum powder, 10 parts of epoxy resin, 3 parts of calcium carbonate, 3 parts of white carbon black, 2 parts of flatting agent, 2 parts of cross-linking agent and 5 parts of curing agent.
3. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the talcum powder is nano-grade talcum powder.
4. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the calcium carbonate is nano calcium carbonate.
5. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the white carbon black is nano white carbon black.
6. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the curing agent is dimethylbenzylamine.
7. The TPU protective film for the vehicle paint surface as claimed in claim 1, wherein: the preparation method comprises the following steps:
the method comprises the following steps: adding polyurethane, talcum powder, calcium carbonate, white carbon black, a cross-linking agent and a curing agent into a mixer, mixing for 30-50min, and mixing to obtain a mixture;
step two: then adding the epoxy resin and the flatting agent into the mixture and continuously mixing to obtain a TPU raw material;
step three: and (3) sequentially passing the TPU raw material through a granulator, a dryer, an extruder, a film laminating machine, a trimming machine and a winding machine to obtain the TPU protective film for the automobile paint surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363527.XA CN111073262A (en) | 2019-12-26 | 2019-12-26 | Automobile-used lacquer painting TPU protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363527.XA CN111073262A (en) | 2019-12-26 | 2019-12-26 | Automobile-used lacquer painting TPU protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111073262A true CN111073262A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911363527.XA Pending CN111073262A (en) | 2019-12-26 | 2019-12-26 | Automobile-used lacquer painting TPU protection film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085401A (en) * | 2021-07-26 | 2022-02-25 | 东莞市晶致光学薄膜有限公司 | Anti-scratch paint surface protective film with repairing function and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259558A (en) * | 2000-01-13 | 2000-07-12 | 田宝林 | Macromolecule polymer blend (polyolefine) composite waterproof coiled material and its prodn. technology |
| CN105038186A (en) * | 2015-07-24 | 2015-11-11 | 南通慧源塑胶有限公司 | Modified TPU thin film |
| CN109177214A (en) * | 2018-09-04 | 2019-01-11 | 惠州市群博新材料有限公司 | It can carry out pulling-on piece, overlay film, molding multi-function peripheral and its application method |
| CN110467807A (en) * | 2019-09-28 | 2019-11-19 | 长泰化学工业(惠州)有限公司 | TPU film and its processing method |
-
2019
- 2019-12-26 CN CN201911363527.XA patent/CN111073262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259558A (en) * | 2000-01-13 | 2000-07-12 | 田宝林 | Macromolecule polymer blend (polyolefine) composite waterproof coiled material and its prodn. technology |
| CN105038186A (en) * | 2015-07-24 | 2015-11-11 | 南通慧源塑胶有限公司 | Modified TPU thin film |
| CN109177214A (en) * | 2018-09-04 | 2019-01-11 | 惠州市群博新材料有限公司 | It can carry out pulling-on piece, overlay film, molding multi-function peripheral and its application method |
| CN110467807A (en) * | 2019-09-28 | 2019-11-19 | 长泰化学工业(惠州)有限公司 | TPU film and its processing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085401A (en) * | 2021-07-26 | 2022-02-25 | 东莞市晶致光学薄膜有限公司 | Anti-scratch paint surface protective film with repairing function and preparation method thereof |
| CN114085401B (en) * | 2021-07-26 | 2023-11-10 | 东莞市晶致光学薄膜有限公司 | Self-repairing scratch-resistant paint protective film |
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Application publication date: 20200428 |
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