CN110894403A - Recoverable protection film - Google Patents
Recoverable protection film Download PDFInfo
- Publication number
- CN110894403A CN110894403A CN201911272905.3A CN201911272905A CN110894403A CN 110894403 A CN110894403 A CN 110894403A CN 201911272905 A CN201911272905 A CN 201911272905A CN 110894403 A CN110894403 A CN 110894403A
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- CN
- China
- Prior art keywords
- protective film
- parts
- adhesive layer
- hot melt
- resin
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
Abstract
The invention discloses a recyclable protective film, which comprises a base material and an adhesive layer; the base material is a polyolefin film, and the adhesive layer comprises a polyolefin hot melt adhesive. The adhesive layer comprises the following components in parts by weight: 42-54 parts of amorphous propylene copolymer hot melt adhesive; 30-45 parts of tackifying resin; 1-25 parts of naphthenic oil. The invention melts the polyolefin hot melt adhesive, coats the melted polyolefin hot melt adhesive on a high-temperature resistant polyolefin film, belongs to the same type of thermoplastic plastics by virtue of the base material and the colloid, has good compatibility, and integrally enters a recovery procedure.
Description
Technical Field
The invention relates to a shielding heat conduction material, in particular to a recyclable protective film.
Background
With the development of the petrochemical industry, polymer products are more and more deep into our lives with the advantages of low cost, light weight, easy manufacture and the like, but serious environmental pollution is caused because the polymer products are difficult to decompose, long in natural environment and generate harmful substances by direct burning, and even some countries and regional traders are in dispute. Therefore, how to solve the 'white pollution' is a problem to be considered by all human beings. The traditional solution is to shorten the time of natural decomposition of the waste or inhibit the diffusion of harmful substances and other relatively negative measures, and to recycle the waste high polymer materials, and the most preferable solution is to process the recycled materials to produce the second-generation products.
The protective film products have short service time and large use amount, the film base material and the viscose attached on the film base material are not the same materials generally, and the compatibility is not good, so the products are difficult to carry out secondary processing after being recycled, and a solution for recycling the protective film is urgently needed to be found.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a recyclable protective film, which comprises a base material and an adhesive layer; the base material is a polyolefin film, and the adhesive layer comprises a polyolefin hot melt adhesive.
As a further improvement of the embodiment of the invention, the adhesive layer comprises the following components in parts:
42-54 parts of amorphous propylene copolymer hot melt adhesive
30-45 parts of tackifying resin
1-25 parts of naphthenic oil.
As a further improvement of an embodiment of the present invention, the amorphous propylene copolymer hot melt adhesive is a plastic elastomer polymerized from α olefin which is low molecular weight amorphous.
As a further improvement of an embodiment of the present invention, the adhesive layer is composed of:
50 parts of polypropylene resin
40 portions of hydrogenated petroleum resin
10 parts of naphthenic base rubber oil.
As a further improvement of an embodiment of the present invention, the polypropylene olefin resin is Aerafin 180.
As a further refinement of an embodiment of the present invention, the hydrogenated petroleum resin is Regalite R1100.
As a further improvement of an embodiment of the present invention, the cycloalkyl rubber oil is Kn 4010.
As a further improvement of the embodiment of the present invention, the tackifying resin is one or a mixture of more of rosin resin or terpene resin or petroleum resin.
As a further improvement of an embodiment of the present invention, the substrate is a biaxially oriented polypropylene film.
As a further refinement of an embodiment of the invention, the substrate has a thickness of 10 to 200 μm; the thickness of the adhesive layer is 5-100 μm.
Compared with the prior art, the technical scheme disclosed by the invention has the following beneficial effects:
1. according to the embodiment of the invention, the polypropylene hot melt adhesive is coated on the high-temperature-resistant biaxially oriented polypropylene film after being melted, so that the base material and the colloid belong to the same type of thermoplastic plastics, the compatibility is good, and the whole process can enter a recovery procedure;
2. after the protective film is integrally recycled, the embodiment of the invention is beneficial to further adjusting the performance of the recycled material by adding the auxiliary agent, and the recycled material is injected again to form a new product so as to complete the integral recycling process of the plastic product;
3. the APAO series hot melt adhesive used in the embodiment of the invention has good cohesion, excellent fluidity, wide operation window, compatibility with the most advanced hot melt adhesive coating machine, spraying at a low temperature of about 130 ℃, good compatibility with olefin tackifying resin, excellent lubricity and dispersibility, small dependence on auxiliaries, good toughness, high adhesive force, high peel strength, good thermal stability, good adhesive tape stiffness, small aging resistance, small smell, environmental protection and the like;
4. the naphthenic oil used in the embodiment of the invention has the advantages of excellent appearance, clearness, transparency, no fluorescence, no peculiar smell, excellent rubber compatibility, lower evaporation loss, excellent low-temperature performance, wide application, good light and heat stability, low polar substance content, almost zero CA value, good oxidation resistance and fading resistance, and is an environment-friendly naphthenic rubber oil product without aromatic hydrocarbon, low condensation point, high viscosity and high naphthenic hydrocarbon content.
Drawings
FIG. 1 is a schematic view of a recyclable protective film according to the present invention;
the examples in the figures are represented as:
1-a substrate; 2-adhesive layer.
Detailed Description
The invention discloses a recyclable protective film, which comprises a base material and an adhesive layer; the base material is a polyolefin film, and the adhesive layer comprises polyolefin hot melt adhesive.
Specifically, the base material is a biaxially oriented polypropylene film, and the adhesive layer comprises the following components in parts:
42-54 parts of amorphous propylene copolymer hot melt adhesive
30-45 parts of tackifying resin
1-25 parts of naphthenic oil.
Wherein the amorphous propylene copolymer hot melt adhesive is a plastic elastomer polymerized by α olefin with low molecular weight and amorphous state, and the tackifying resin is one or a mixture of rosin resin, terpene resin or petroleum resin.
In the examples of the present invention, the adhesive layer was composed of the following components:
polypropylene olefin resin Aerfin 18050 parts
Hydrogenated petroleum resin Regalite Rl 10040 parts
And (4) naphthenic base rubber oil Kn 401010 parts.
Specifically, the thickness of the base material is 10 to 200 μm; the thickness of the adhesive layer is 5-100 μm. Preferably, the thickness of the substrate is 80 μm and the thickness of the adhesive layer is 20 μm.
APAO (Amorphous α -olefin copolymer, Amorphous poly alpha olefin) is a low molecular weight Amorphous plastomer material, which is formed by polymerization of a-olefin and has a microstructure in an Amorphous and random arrangement state, so that the material has many characteristics which crystalline polymers do not have, and thus has specificity in application.
AerafinTM180 polymer is a propylene-based olefin polymer that is compatible with a range of hydrocarbon tackifying resins and can be sprayed or slot-formed into adhesives over a wide range. AerfinTM180 polymers are characterized by stable quality, low color, good thermal stability and low odor.
The recyclable protective film according to the above-described example was tested for peeling force and coating temperature and evaluated for adhesive residue, and the results are shown in the following table:
| test items | Examples |
| Thickness of base material um | 60 |
| Thickness um of adhesive layer | 20 |
| Peel force gf/inch (for SUS test) | 200 |
| Coating temperature C | 130 |
| Cull (paste custom board 65 ℃ for 72h) | Qualified |
When the recyclable protective film is adopted, Aerafin180 is adopted as the main adhesive, and the amorphous polyolefin hot melt adhesive has good compatibility with a BOPP (biaxially oriented polypropylene) base material, is a polyolefin product and is convenient to recycle. Meanwhile, Regalite R1100 is added to ensure the viscosity of the adhesive, and Kn4010 is added to soften the adhesive layer, so that the adhesive layer has a better adhesive effect. Meanwhile, the Regalite R1100 and the Kn4010 have good compatibility with a polyolefin system, so that the overall recovery effect of the product is good.
Compared with the prior art, the technical scheme disclosed by the invention has the following beneficial effects:
1. according to the embodiment of the invention, the polypropylene hot melt adhesive is coated on the high-temperature-resistant biaxially oriented polypropylene film after being melted, so that the base material and the colloid belong to the same type of thermoplastic plastics, the compatibility is good, and the whole process can enter a recovery procedure;
2. after the protective film is integrally recycled, the embodiment of the invention is beneficial to further adjusting the performance of the recycled material by adding the auxiliary agent, and the recycled material is injected again to form a new product so as to complete the integral recycling process of the plastic product;
3. the APAO series hot melt adhesive used in the embodiment of the invention has good cohesion, excellent fluidity, wide operation window, compatibility with the most advanced hot melt adhesive coating machine, spraying at a low temperature of about 130 ℃, good compatibility with olefin tackifying resin, excellent lubricity and dispersibility, small dependence on auxiliaries, good toughness, high adhesive force, high peel strength, good thermal stability, good adhesive tape stiffness, small aging resistance, small smell, environmental protection and the like;
4. the naphthenic oil used in the embodiment of the invention has the advantages of excellent appearance, clearness, transparency, no fluorescence, no peculiar smell, excellent rubber compatibility, lower evaporation loss, excellent low-temperature performance, wide application, good light and heat stability, low polar substance content, almost zero CA value, good oxidation resistance and fading resistance, and is an environment-friendly naphthenic rubber oil product without aromatic hydrocarbon, low condensation point, high viscosity and high naphthenic hydrocarbon content.
Claims (10)
1. The recyclable protective film is characterized by comprising a base material and an adhesive layer laid on the base material; the base material is a polyolefin film, and the adhesive layer comprises a polyolefin hot melt adhesive.
2. The recyclable protective film according to claim 1, wherein the adhesive layer comprises the following components in parts:
42-54 parts of amorphous propylene copolymer hot melt adhesive
30-45 parts of tackifying resin
1-25 parts of naphthenic oil.
3. The recyclable protective film of claim 2, wherein the amorphous propylene copolymer hot melt adhesive is a low molecular weight amorphous α olefin polymerized plastic elastomer.
4. The recyclable protective film of claim 2, wherein the adhesive layer is comprised of:
50 parts of polypropylene resin
40 portions of hydrogenated petroleum resin
10 parts of naphthenic base rubber oil.
5. The recyclable protective film of claim 4, wherein the polypropylene resin is Aerafin 180.
6. The recyclable protective film of claim 4, wherein the hydrogenated petroleum resin is regalite rll 00.
7. The recyclable protective film of claim 4, wherein the naphthenic rubber oil is Kn 4010.
8. The recyclable protective film of claim 2, wherein the tackifying resin is one or a mixture of rosin resin or terpene resin or petroleum resin.
9. The recyclable protective film of claim 1, wherein the substrate is a biaxially oriented polypropylene film.
10. The recyclable protective film of claim 1, wherein the substrate has a thickness of 10-200 μ ι η; the thickness of the adhesive layer is 5-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272905.3A CN110894403A (en) | 2019-12-12 | 2019-12-12 | Recoverable protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272905.3A CN110894403A (en) | 2019-12-12 | 2019-12-12 | Recoverable protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110894403A true CN110894403A (en) | 2020-03-20 |
Family
ID=69787912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911272905.3A Pending CN110894403A (en) | 2019-12-12 | 2019-12-12 | Recoverable protection film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110894403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428718A (en) * | 2020-11-12 | 2021-03-02 | 东莞市三人行反光材料有限公司 | Application method for processing reflective pattern heat transfer film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181248A (en) * | 2011-01-31 | 2011-09-14 | 北京东方雨虹防水技术股份有限公司 | Hot-melt pressure-sensitive adhesive for polyethylene materials and preparation method thereof |
| CN104419349A (en) * | 2013-09-10 | 2015-03-18 | 杭州邦林热熔胶有限公司 | Hot melt adhesive for food and daily chemical product bottle caps and preparation method of hot melt adhesive |
| CN104449466A (en) * | 2013-09-22 | 2015-03-25 | 杭州邦林热熔胶有限公司 | Low temperature labeling construction hot melt adhesive and preparation method thereof |
| CN104479594A (en) * | 2014-12-31 | 2015-04-01 | 广州鹿山新材料股份有限公司 | Hot melt glue used for gluing non-polar materials and preparation method thereof |
| CN106497456A (en) * | 2016-09-22 | 2017-03-15 | 重庆中科力泰高分子材料股份有限公司 | A kind of vehicle dormer window support PUR and preparation method |
-
2019
- 2019-12-12 CN CN201911272905.3A patent/CN110894403A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181248A (en) * | 2011-01-31 | 2011-09-14 | 北京东方雨虹防水技术股份有限公司 | Hot-melt pressure-sensitive adhesive for polyethylene materials and preparation method thereof |
| CN104419349A (en) * | 2013-09-10 | 2015-03-18 | 杭州邦林热熔胶有限公司 | Hot melt adhesive for food and daily chemical product bottle caps and preparation method of hot melt adhesive |
| CN104449466A (en) * | 2013-09-22 | 2015-03-25 | 杭州邦林热熔胶有限公司 | Low temperature labeling construction hot melt adhesive and preparation method thereof |
| CN104479594A (en) * | 2014-12-31 | 2015-04-01 | 广州鹿山新材料股份有限公司 | Hot melt glue used for gluing non-polar materials and preparation method thereof |
| CN106497456A (en) * | 2016-09-22 | 2017-03-15 | 重庆中科力泰高分子材料股份有限公司 | A kind of vehicle dormer window support PUR and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428718A (en) * | 2020-11-12 | 2021-03-02 | 东莞市三人行反光材料有限公司 | Application method for processing reflective pattern heat transfer film |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200320 |