CN107987384A - A kind of food packaging polypropylene film-coating material of color printing - Google Patents
A kind of food packaging polypropylene film-coating material of color printing Download PDFInfo
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- CN107987384A CN107987384A CN201711296616.8A CN201711296616A CN107987384A CN 107987384 A CN107987384 A CN 107987384A CN 201711296616 A CN201711296616 A CN 201711296616A CN 107987384 A CN107987384 A CN 107987384A
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- color printing
- coating material
- food packaging
- polypropylene film
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to color printing to be packed for polypropylene coating processing technique field, and in particular to a kind of food packaging polypropylene film-coating material of color printing, including following raw material：Polypropylene, nitrile rubber latex, low density polyethylene (LDPE), xylene solvent, 3,4 dimethoxybenzoic acids, hydroxyethyl methacrylate, single-layer graphene, dispersant, antioxidant, modifying agent.The present invention has the following advantages compared with prior art：By by single-layer graphene and nitrile rubber latex and hydroxyethyl methacrylate hybrid reaction in the present invention, the mechanical strength of film-coating material can effectively be strengthened, after being mixed with polypropylene, low density polyethylene (LDPE) is coordinated to reach certain flow rate, and then the caking property of film can be improved, and then strengthen the peel strength of film layer, production process simple and stable, products obtained therefrom performance is stablized, applied widely, it can be used in the internal layer laminating adhesive of color printing packaging, there is light blocking, oxygen barrier, anti-ink penetration.
Description
Technical field
The invention belongs to color printing to be packed for polypropylene coating processing technique field, and in particular to a kind of color printing packaging for foodstuff
With polypropylene film-coating material.
Background technology
Existing domestic and international food pack, the color printing packaging usually with great design, due to color printing pigment generally all
Containing various chemical compositions, certain murder by poisoning can also be caused by such as entering human body, therefore usually use nontoxic, harmless polypropylene
Film is obstructed, but existing polypropylene film performance is unstable, and the index such as its deflection, smell can not also meet using mark
Standard, therefore, further studies polypropylene film material used in color printing food pack.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of food packaging polypropylene film-coating material of color printing.
The present invention is achieved by the following technical solutions：A kind of food packaging polypropylene film-coating material of color printing, including with
The raw material of lower parts by weight：45-55 parts of polypropylene, 8-16 parts of nitrile rubber latex, 4-6 parts of low density polyethylene (LDPE), xylene solvent
2-6 parts, 1-3 parts of 3,4 dimethoxybenzoic acid, 12-18 parts of hydroxyethyl methacrylate, 1-3 parts of single-layer graphene, dispersant
0.1-0.2 parts, 0.1-0.2 parts of antioxidant, 0.05-0.08 parts of modifying agent；Its preparation method is：Single-layer graphene is taken, is dissolved in
When supersound process 4 is small after water of 4-6 times equivalent to its weight, modifying agent is then added, after magnetic stirring for 10 minutes is ultrasonic again
Processing 20 minutes, obtains single-layer graphene solution；Then under conditions of temperature is 95-105 DEG C, by nitrile rubber latex, first
Base hydroxy-ethyl acrylate and the mixing of single-layer graphene solution, insulated and stirred 20-40 minutes, reaction material is obtained after being down to room temperature；Will
Reaction material is mixed with surplus stock, plastics 10-20 minutes in closed plasticator, obtains material of plasticating, then in an extruder
Extrusion obtains film-coating material.
As further improvement of these options, the modifying agent is neopelex, cetyl three
One kind in methyl amine, kayexalate；The melt index of the low density polyethylene (LDPE) is 0.22-0.28g/10min.
As further improvement of these options, the plasticating temperature is 140-180 DEG C；The extruder temperature is
140-160 DEG C, the central feeding rotating die head temperature of extruder is 140-160 DEG C.
As further improvement of these options, the dispersant is calgon, alkyl aryl polyethyleneglycol ether
One kind in sodium sulfonate, polyoxyethylene alkylphenol base ether, stearyl trimethyl ammonium chloride；The antioxidant for antioxidant 1010,
At least one of irgasfos 168, antioxidant 445, antioxidant T501.
As further improvement of these options, the mixing speed of the magnetic agitation is 1000-1200 revs/min,
Working method is to continuously stir.
The present invention has the following advantages compared with prior art：By by single-layer graphene and nitrile rubber latex in the present invention
With hydroxyethyl methacrylate hybrid reaction, it can effectively strengthen the mechanical strength of film-coating material, after being mixed with polypropylene, coordinate
Low density polyethylene (LDPE) can reach certain flow rate, and then can improve the caking property of film, and then strengthen the stripping of film layer
Intensity, production process simple and stable, products obtained therefrom performance is stablized, applied widely, can be used in the internal layer laminating adhesive of color printing packaging,
There are light blocking, oxygen barrier, anti-ink penetration.
Embodiment
Embodiment 1
A kind of food packaging polypropylene film-coating material of color printing, includes the raw material of following parts by weight：50 parts of polypropylene, nitrile rubber glue
12 parts of breast, 5 parts of low density polyethylene (LDPE), 4 parts of xylene solvent, 2 parts of 3,4 dimethoxybenzoic acid, hydroxyethyl methacrylate 15
Part, 2 parts of single-layer graphene, 0.15 part of dispersant, 0.15 part of antioxidant, 0.06 part of modifying agent；Its preparation method is：Take individual layer
Graphene, be dissolved in after water of 5 times equivalent to its weight be ultrasonically treated 4 it is small when, then add modifying agent, magnetic agitation 10 minutes
Afterwards, it is ultrasonically treated 20 minutes again, obtains single-layer graphene solution；Then under conditions of temperature is 100 DEG C, by nitrile rubber
Latex, hydroxyethyl methacrylate and the mixing of single-layer graphene solution, insulated and stirred 30 minutes, is reacted after being down to room temperature
Material；Reaction material is mixed with surplus stock, plastics 15 minutes in closed plasticator, obtain material of plasticating, then in extruder
Middle extrusion obtains film-coating material.
Wherein, the modifying agent is neopelex；The melt index of the low density polyethylene (LDPE) is 0.22-
0.28g/10min, the dispersant are calgon；The antioxidant is antioxidant 1010.
Wherein, the plasticating temperature is 160 DEG C；The extruder temperature is 150 DEG C, the central feeding rotating mould of extruder
Head temperature is 150 DEG C；The mixing speed of the magnetic agitation is 1100 revs/min, and working method is to continuously stir.
Product pellet is detected, it is 33.4MPa to obtain tensile yield strength, peel strength 6.5N25mm, isotactic
Spend for 97.3%, powder ash content is 0；Light transmittance is 88%, and dimension card is heat-resisting（1kg, 50 DEG C/h）162 DEG C, melt flow stream speed is
22.8g/10min, meets relevant national standard, and wherein tensile yield strength and Wei Ka Themotalerances is better than relevant national standard.
Embodiment 2
A kind of food packaging polypropylene film-coating material of color printing, includes the raw material of following parts by weight：45 parts of polypropylene, nitrile rubber glue
16 parts of breast, 4 parts of low density polyethylene (LDPE), 2 parts of xylene solvent, 3 parts of 3,4 dimethoxybenzoic acid, hydroxyethyl methacrylate 12
Part, 3 parts of single-layer graphene, 0.1 part of dispersant, 0.2 part of antioxidant, 0.05 part of modifying agent；Its preparation method is：Take individual layer stone
Black alkene, be dissolved in after water of 4 times equivalent to its weight be ultrasonically treated 4 it is small when, then add modifying agent, after magnetic stirring for 10 minutes,
It is ultrasonically treated 20 minutes again, obtains single-layer graphene solution；Then under conditions of temperature is 105 DEG C, by nitrile rubber glue
Breast, hydroxyethyl methacrylate and the mixing of single-layer graphene solution, insulated and stirred 40 minutes, reaction material is obtained after being down to room temperature；
Reaction material is mixed with surplus stock, plastics 20 minutes in closed plasticator, obtain material of plasticating, then squeeze in an extruder
Go out to obtain film-coating material.
Wherein, the modifying agent is cetyl Trimethylamine；The melt index of the low density polyethylene (LDPE) is 0.22-
0.28g/10min, the dispersant are alkyl aryl polyethyleneglycol ether sodium sulfonate；The antioxidant is antioxidant 445.
Wherein, the plasticating temperature is 140 DEG C；The extruder temperature is 160 DEG C, the central feeding rotating mould of extruder
Head temperature is 140 DEG C；The mixing speed of the magnetic agitation is 1200 revs/min, and working method is to continuously stir.
Product pellet is detected, it is 33.7MPa to obtain tensile yield strength, peel strength 6.8N25mm, isotactic
Spend for 97.7%, powder ash content is 0；Light transmittance is 89%, and dimension card is heat-resisting（1kg, 50 DEG C/h）165 DEG C, melt flow stream speed is
22.4g/10min, meets relevant national standard, and wherein tensile yield strength and Wei Ka Themotalerances is better than relevant national standard.
Embodiment 3
A kind of food packaging polypropylene film-coating material of color printing, includes the raw material of following parts by weight：55 parts of polypropylene, nitrile rubber glue
8 parts of breast, 6 parts of low density polyethylene (LDPE), 6 parts of xylene solvent, 1 part of 3,4 dimethoxybenzoic acid, hydroxyethyl methacrylate 18
Part, 1 part of single-layer graphene, 0.2 part of dispersant, 0.1 part of antioxidant, 0.08 part of modifying agent；Its preparation method is：Take individual layer stone
Black alkene, be dissolved in after water of 6 times equivalent to its weight be ultrasonically treated 4 it is small when, then add modifying agent, after magnetic stirring for 10 minutes,
It is ultrasonically treated 20 minutes again, obtains single-layer graphene solution；Then under conditions of temperature is 95 DEG C, by nitrile rubber glue
Breast, hydroxyethyl methacrylate and the mixing of single-layer graphene solution, insulated and stirred 20 minutes, reaction material is obtained after being down to room temperature；
Reaction material is mixed with surplus stock, plastics 10 minutes in closed plasticator, obtain material of plasticating, then squeeze in an extruder
Go out to obtain film-coating material.
Wherein, the modifying agent is kayexalate；The melt index of the low density polyethylene (LDPE) is 0.22-
0.28g/10min, the dispersant are polyoxyethylene alkylphenol base ether；The antioxidant is antioxidant T501.
Wherein, the plasticating temperature is 180 DEG C；The extruder temperature is 140 DEG C, the central feeding rotating mould of extruder
Head temperature is 160 DEG C；The mixing speed of the magnetic agitation is 1000 revs/min, and working method is to continuously stir.
Product pellet is detected, it is 33.5MPa to obtain tensile yield strength, peel strength 6.7N25mm, isotactic
Spend for 97.6%, powder ash content is 0；Light transmittance is 88%, and dimension card is heat-resisting（1kg, 50 DEG C/h）164 DEG C, melt flow stream speed is
22.7g/10min, meets relevant national standard, and wherein tensile yield strength and Wei Ka Themotalerances is better than relevant national standard.
Control group 1 is set, the preparation process of reaction material in embodiment 1 is removed, i.e., is carried out after directly each raw material is mixed
To plasticate, subsequent step is constant, products obtained therefrom pellet, and it is 30.2MPa, peel strength 2.8N25mm to obtain tensile yield strength,
Isotacticity is 95.2%, and powder ash content is 0；Light transmittance is 85%, and dimension card is heat-resisting（1kg, 50 DEG C/h）136 DEG C, melt flow stream speed
For 19.2g/10min；
Wherein peel strength and isotacticity can not meet relevant criterion.
Claims (7)
1. a kind of food packaging polypropylene film-coating material of color printing, it is characterised in that include the raw material of following parts by weight：Polypropylene
45-55 parts, 8-16 parts of nitrile rubber latex, 4-6 parts of low density polyethylene (LDPE), 2-6 parts of xylene solvent, 3,4 dimethoxy benzene first
1-3 parts sour, 12-18 parts of hydroxyethyl methacrylate, 1-3 parts of single-layer graphene, 0.1-0.2 parts of dispersant, antioxidant 0.1-
0.2 part, 0.05-0.08 parts of modifying agent；Its preparation method is：Single-layer graphene is taken, after being dissolved in water of 4-6 times equivalent to its weight
Be ultrasonically treated 4 it is small when, then add modifying agent, after magnetic stirring for 10 minutes, is ultrasonically treated 20 minutes, obtains mono-layer graphite again
Alkene solution；Then under conditions of temperature is 95-105 DEG C, by nitrile rubber latex, hydroxyethyl methacrylate and mono-layer graphite
Alkene solution mixes, and insulated and stirred 20-40 minutes, reaction material is obtained after being down to room temperature；Reaction material is mixed with surplus stock, close
Plastics 10-20 minutes in enclosed plasticator, material of plasticating is obtained, then extrusion obtains film-coating material in an extruder.
2. a kind of food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the modifying agent is ten
One kind in dialkyl benzene sulfonic acids sodium, cetyl Trimethylamine, kayexalate.
A kind of 3. food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the low density polyethylene
The melt index of alkene is 0.22-0.28g/10min.
4. a kind of food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the plasticating temperature is
140-180℃。
A kind of 5. food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the extruder temperature
For 140-160 DEG C, the central feeding rotating die head temperature of extruder is 140-160 DEG C.
6. a kind of food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the dispersant is six
One in sodium metaphosphate, alkyl aryl polyethyleneglycol ether sodium sulfonate, polyoxyethylene alkylphenol base ether, stearyl trimethyl ammonium chloride
Kind；The antioxidant is at least one of antioxidant 1010, irgasfos 168, antioxidant 445, antioxidant T501.
7. a kind of food packaging polypropylene film-coating material of color printing as claimed in claim 1, it is characterised in that the magnetic agitation
Mixing speed is 1000-1200 revs/min, and working method is to continuously stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296616.8A CN107987384A (en) | 2017-12-08 | 2017-12-08 | A kind of food packaging polypropylene film-coating material of color printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296616.8A CN107987384A (en) | 2017-12-08 | 2017-12-08 | A kind of food packaging polypropylene film-coating material of color printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107987384A true CN107987384A (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711296616.8A Pending CN107987384A (en) | 2017-12-08 | 2017-12-08 | A kind of food packaging polypropylene film-coating material of color printing |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884404A (en) * | 2006-05-26 | 2006-12-27 | 上海三乐高分子材料有限公司 | special-purpose film-coating material for polypropylene color printing |
-
2017
- 2017-12-08 CN CN201711296616.8A patent/CN107987384A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884404A (en) * | 2006-05-26 | 2006-12-27 | 上海三乐高分子材料有限公司 | special-purpose film-coating material for polypropylene color printing |
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Application publication date: 20180504 |
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