CN113185849A - Paper-plastic protective film - Google Patents
Paper-plastic protective film Download PDFInfo
- Publication number
- CN113185849A CN113185849A CN202110494474.6A CN202110494474A CN113185849A CN 113185849 A CN113185849 A CN 113185849A CN 202110494474 A CN202110494474 A CN 202110494474A CN 113185849 A CN113185849 A CN 113185849A
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- Prior art keywords
- paper
- protective film
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- plastic protective
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Classifications
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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
- C08J2300/00—Characterised by the use of unspecified polymers
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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- 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)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of spraying shielding films and discloses a paper-plastic protective film which comprises the following components in parts by weight: 25-20 parts of polyethylene particles, 30-25 parts of polyester polymer, 10-15 parts of linear particles and 35-40 parts of plastic filler. The paint or putty can be attached to the paper-plastic protective film, is not easy to sag, reduces secondary pollution below the spraying position, and greatly facilitates the use of the paper-plastic protective film; the paper-plastic protective film can not leak in the spraying process, the protection effect is good, paint or putty can not permeate into the shielded part of the paper-plastic protective film, and the cleanness of the shielded part is ensured; after the paint or putty is dried and fixed on the paper-plastic protective film, the paint skin of the paper-plastic protective film can not fall off when being wiped by hands, and the fallen paint skin does not need to be cleaned, so that the use is more convenient; the size of protection film is moulded to direct hand tears can be adjusted paper, need not tailor with the help of instruments such as scissors, and it is more convenient to use, easily resize.
Description
Technical Field
The invention relates to the technical field of spraying shielding films, in particular to a paper-plastic protective film.
Background
The spraying shielding protective film belongs to one kind of shielding products, is mainly used for shielding during paint spraying, has very wide application in the fields of indoor decoration and the like, and effectively improves the production efficiency.
However, in practical use, we find that the conventional spray-coating shielding protective film still has certain disadvantages, such as:
1. after the paint or the putty is sprayed on the traditional spraying shielding protective film, the paint or the putty is not easy to attach to a film body and is easy to sag, so that secondary pollution is caused;
2. the traditional spraying shielding protective film is easy to leak during spraying, and the protection effect is poor;
3. the paint or putty on the traditional spraying shielding protective film is easy to fall off after being dried and solidified;
4. the traditional spraying shielding protective film can not be torn by hand to adjust the size, and is troublesome to use.
Based on the above, we propose a paper-plastic protective film, and hope to solve the defects in the prior art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the paper-plastic protective film which has the advantages that paint or putty can be attached to the film body, the leakage is not easy, the paint or putty cannot fall off by touching after being dried and fixed on the paper-plastic protective film, and the paper-plastic protective film can be torn by hand.
(II) technical scheme
In order to realize the purposes that the paint or the putty can be attached to a film body and is not easy to leak, and the paint or the putty cannot fall off by hand after being dried and fixed on a paper-plastic protective film and can be torn by hand, the invention provides the following technical scheme: the paper-plastic protective film comprises the following components in parts by weight:
25-20 parts of polyethylene particles,
30-25 parts by weight of polyester polymer,
10-15 parts by weight of linear particles,
35-40 parts of plastic filler.
As a preferred technical scheme of the invention, the paper-plastic protective film comprises the following components in parts by weight:
25 parts by weight of polyethylene particles,
30 parts by weight of a polyester polymer,
10 parts by weight of linear particles,
35 parts of plastic filler.
As a preferred technical scheme of the invention, the paper-plastic protective film comprises the following components in parts by weight:
22.5 parts by weight of polyethylene particles,
27.5 parts by weight of a polyester-based polymer,
12.5 parts by weight of linear particles,
37.5 parts by weight of plastic filler.
As a preferred technical scheme of the invention, the paper-plastic protective film comprises the following components in parts by weight:
20 parts by weight of polyethylene particles,
25 parts by weight of a polyester polymer,
15 parts by weight of linear particles,
40 parts of plastic filler.
In a preferred embodiment of the present invention, the polyester-based polymer is polylactic acid.
(III) advantageous effects
Compared with the prior art, the invention provides the paper-plastic protective film, which has the following beneficial effects:
1. the paper plastic protective film has the advantages that paint or putty can be attached to the film body, the sagging is not easy, the secondary pollution to the lower part of the spraying position is reduced, and the use of the paper plastic protective film is greatly facilitated.
2. The paper-plastic protective film can not leak when being sprayed, has better protective effect, and ensures that the shielded part can not permeate into paint or putty, thereby ensuring the cleanness of the shielded part.
3. After the paint or putty is dried and fixed on the paper-plastic protective film, the paint skin of the paper-plastic protective film can not fall off when being wiped by hands, and the fallen paint skin does not need to be cleaned, so that the paper-plastic protective film is more convenient to use.
4. This protection film is moulded to paper, the size of protection film is moulded to direct hand tears can be adjusted paper, need not tailor with the help of instruments such as scissors, and it is more convenient to use, easily resize.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 first embodiment is as follows:
the paper-plastic protective film comprises the following components in parts by weight:
25 parts by weight of polyethylene particles,
30 parts by weight of a polyester polymer,
10 parts by weight of linear particles,
35 parts of plastic filler.
In this example, the polyester-based polymer is polylactic acid:
polylactic acid is a novel biodegradable material, is prepared by using a starch raw material provided by a renewable plant resource, is saccharified to obtain glucose, is fermented by the glucose and a certain strain to prepare high-purity lactic acid, and is synthesized into polylactic acid with a certain molecular weight by a chemical synthesis method, so that the polylactic acid has good biodegradability, can be completely degraded by microorganisms in the nature after being used, finally generates carbon dioxide and water, does not pollute the environment, is very favorable for protecting the environment, and is a recognized environment-friendly material, therefore, a paper-plastic protective film prepared by using the polylactic acid also has the degradable characteristic, and is very environment-friendly;
the polylactic acid also has better mechanical property, physical property, compatibility, tensile property, ductility, air permeability and oxygen permeability, and the polylactic acid is added into the paper-plastic protective film, so that the adhesiveness and the tightness of the paper-plastic protective film are obviously improved, and not only can the sagging of paint or putty be prevented, but also the leakage of the paint or putty can be prevented;
in this embodiment, the specific preparation of paper plastic protection film directly uses inflation film manufacturing machine to make after the raw materials mixing processing, very convenience.
Example two:
the paper-plastic protective film comprises the following components in parts by weight:
22.5 parts by weight of polyethylene particles,
27.5 parts by weight of a polyester-based polymer,
12.5 parts by weight of linear particles,
37.5 parts by weight of plastic filler.
In this example, the polyester-based polymer is polylactic acid:
polylactic acid is a novel biodegradable material, is prepared by using a starch raw material provided by a renewable plant resource, is saccharified to obtain glucose, is fermented by the glucose and a certain strain to prepare high-purity lactic acid, and is synthesized into polylactic acid with a certain molecular weight by a chemical synthesis method, so that the polylactic acid has good biodegradability, can be completely degraded by microorganisms in the nature after being used, finally generates carbon dioxide and water, does not pollute the environment, is very favorable for protecting the environment, and is a recognized environment-friendly material, therefore, a paper-plastic protective film prepared by using the polylactic acid also has the degradable characteristic, and is very environment-friendly;
the polylactic acid also has better mechanical property, physical property, compatibility, tensile property, ductility, air permeability and oxygen permeability, and the polylactic acid is added into the paper-plastic protective film, so that the adhesiveness and the tightness of the paper-plastic protective film are obviously improved, and not only can the sagging of paint or putty be prevented, but also the leakage of the paint or putty can be prevented;
in this embodiment, the specific preparation of paper plastic protection film directly uses inflation film manufacturing machine to make after the raw materials mixing processing, very convenience.
Example three:
the paper-plastic protective film comprises the following components in parts by weight:
20 parts by weight of polyethylene particles,
25 parts by weight of a polyester polymer,
15 parts by weight of linear particles,
40 parts of plastic filler.
In this example, the polyester-based polymer is polylactic acid:
polylactic acid is a novel biodegradable material, is prepared by using a starch raw material provided by a renewable plant resource, is saccharified to obtain glucose, is fermented by the glucose and a certain strain to prepare high-purity lactic acid, and is synthesized into polylactic acid with a certain molecular weight by a chemical synthesis method, so that the polylactic acid has good biodegradability, can be completely degraded by microorganisms in the nature after being used, finally generates carbon dioxide and water, does not pollute the environment, is very favorable for protecting the environment, and is a recognized environment-friendly material, therefore, a paper-plastic protective film prepared by using the polylactic acid also has the degradable characteristic, and is very environment-friendly;
the polylactic acid also has better mechanical property, physical property, compatibility, tensile property, ductility, air permeability and oxygen permeability, and the polylactic acid is added into the paper-plastic protective film, so that the adhesiveness and the tightness of the paper-plastic protective film are obviously improved, and not only can the sagging of paint or putty be prevented, but also the leakage of the paint or putty can be prevented;
in this embodiment, the specific preparation of paper plastic protection film directly uses inflation film manufacturing machine to make after the raw materials mixing processing, very convenience.
The invention has the beneficial effects that:
the paint or putty can be attached to the paper-plastic protective film, is not easy to sag, reduces secondary pollution below the spraying position, and greatly facilitates the use of the paper-plastic protective film;
the paper-plastic protective film can not leak in the spraying process, the protection effect is good, paint or putty can not permeate into the shielded part of the paper-plastic protective film, and the cleanness of the shielded part is ensured;
after the paint or putty is dried and fixed on the paper-plastic protective film, the paint skin of the paper-plastic protective film can not fall off when being wiped by hands, and the fallen paint skin does not need to be cleaned, so that the use is more convenient;
the size of protection film is moulded to direct hand tears can be adjusted paper, need not tailor with the help of instruments such as scissors, and it is more convenient to use, easily resize.
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 paper-plastic protective film is characterized by comprising the following components in parts by weight:
25-20 parts of polyethylene particles,
30-25 parts by weight of polyester polymer,
10-15 parts by weight of linear particles,
35-40 parts of plastic filler.
2. The paper-plastic protective film according to claim 1, which is characterized by comprising the following components in parts by weight:
25 parts by weight of polyethylene particles,
30 parts by weight of a polyester polymer,
10 parts by weight of linear particles,
35 parts of plastic filler.
3. The paper-plastic protective film according to claim 1, which is characterized by comprising the following components in parts by weight:
22.5 parts by weight of polyethylene particles,
27.5 parts by weight of a polyester-based polymer,
12.5 parts by weight of linear particles,
37.5 parts by weight of plastic filler.
4. The paper-plastic protective film according to claim 1, which is characterized by comprising the following components in parts by weight:
20 parts by weight of polyethylene particles,
25 parts by weight of a polyester polymer,
15 parts by weight of linear particles,
40 parts of plastic filler.
5. The paper-plastic protective film according to any one of claims 1-4, wherein the polyester-based polymer is polylactic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494474.6A CN113185849A (en) | 2021-05-07 | 2021-05-07 | Paper-plastic protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494474.6A CN113185849A (en) | 2021-05-07 | 2021-05-07 | Paper-plastic protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113185849A true CN113185849A (en) | 2021-07-30 |
Family
ID=76983995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110494474.6A Pending CN113185849A (en) | 2021-05-07 | 2021-05-07 | Paper-plastic protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113185849A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044747A (en) * | 2012-12-13 | 2013-04-17 | 新昌县冠阳技术开发有限公司 | Environment-friendly type green plastic bag product |
| CN106948224A (en) * | 2017-04-18 | 2017-07-14 | 东莞当纳利印刷有限公司 | A kind of preparation method of moulded paper pulp product |
| CN109868074A (en) * | 2018-12-21 | 2019-06-11 | 宁波激智科技股份有限公司 | A kind of biodegradable protective film and preparation method thereof |
-
2021
- 2021-05-07 CN CN202110494474.6A patent/CN113185849A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044747A (en) * | 2012-12-13 | 2013-04-17 | 新昌县冠阳技术开发有限公司 | Environment-friendly type green plastic bag product |
| CN106948224A (en) * | 2017-04-18 | 2017-07-14 | 东莞当纳利印刷有限公司 | A kind of preparation method of moulded paper pulp product |
| CN109868074A (en) * | 2018-12-21 | 2019-06-11 | 宁波激智科技股份有限公司 | A kind of biodegradable protective film and preparation method thereof |
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| 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: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |