CN102133966B - Low-melting-point packaging film and preparation method thereof - Google Patents
Low-melting-point packaging film and preparation method thereof Download PDFInfo
- Publication number
- CN102133966B CN102133966B CN2011100325921A CN201110032592A CN102133966B CN 102133966 B CN102133966 B CN 102133966B CN 2011100325921 A CN2011100325921 A CN 2011100325921A CN 201110032592 A CN201110032592 A CN 201110032592A CN 102133966 B CN102133966 B CN 102133966B
- Authority
- CN
- China
- Prior art keywords
- parts
- middle level
- copies
- quality
- ratio
- 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.)
- Expired - Fee Related
Links
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 229920006280 packaging film Polymers 0.000 title abstract description 10
- 239000012785 packaging film Substances 0.000 title abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 50
- 230000008018 melting Effects 0.000 claims abstract description 49
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000012856 packing Methods 0.000 claims description 45
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 33
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 abstract description 37
- 239000004702 low-density polyethylene Substances 0.000 abstract description 37
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 7
- 239000005977 Ethylene Substances 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 65
- 239000000126 substance Substances 0.000 description 30
- 238000001816 cooling Methods 0.000 description 12
- 230000004927 fusion Effects 0.000 description 12
- 239000002994 raw material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920006266 Vinyl film Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Abstract
The invention relates to a low-melting-point packaging film, which is a three-layer extruding mechanism film and comprises an upper layer, a lower layer and a middle layer, wherein the upper layer and the lower layer are EVA (ethylene vilnylacetate copolymer) ethylene antiblocking layers, the middle layer is EVA ethylene layer and covers on the lower layer, and the upper layer covers on the middle layer; in the low-melting-point packaging film, the mass contents of the upper layer and the lower layer are 21-28.5% respectively, and the mass content of the middle layer is 48-58%; the upper layer and the lower layer respectively comprise the following materials in parts by mass: 10 parts of EVA, 0-12 parts of LDPE (low-density polyethylene) and 4-8 parts of ultra-smooth/antiblocking master material; and the middle layer comprises the following materials in parts by mass: 10 parts of EVA and 0-8.5 parts of LDPE. The invention also provides a preparation method of the low-melting-point packaging film. The invention provides the low-melting-point packaging film which reduces the melting point and is effectively applicable to several transient reactions in chemical synthesis and the preparation method thereof.
Description
Technical field
The present invention relates to a kind of packing film and preparation method thereof.
Background technology
Progress along with industrial technology; New process, the up-to-date technology of chemical frbre industry get a promotion rapidly; Chemical reaction process control is more and more tighter; Change the mode of thinking of heavy terminal in the past, light process, adopt synthetic overall process from low temperature to high temperature, the mode of the moment reaction of different node temperatures is combined into the whole production flow process.
In realizing the mode of production of this advanced theory,, premix few to addition very difficulty, temperature control requirement is high, the raw material that must add; For example auxiliary chemicals, catalyst etc.; All must adopt inner wrapping, under specified temp, drop into rapidly in the reaction facility, packaging bag can be melted rapidly; Guarantee that raw material in time disengages, reach the target of moment reaction.
As everyone knows, the LDPE melting temperature is 110 ℃, and the HDEP melting temperature is 150 ℃, and the BOPP fusing point is 170 ℃, and the CPP melting temperature is 170 ℃, and the EVA melting temperature is 80 ℃; So, when melting temperature more than 110 ℃, can adopt LDPE or other kind films to solve as packing, still, but can not solve the problem of packaging film between 80～110 ℃.
Definite fusing point is the essential condition that guarantees the moment reaction, all influences the product special quality late and forms with crossing too early, to the urgent need of this sciemtifec and technical sphere, needs the low-melting series package film of exploitation, to solve the needs of chemical industry in synthesizing.
Summary of the invention
Higher for the fusing point that overcomes the current packaging film, as can not to be applicable to the synthetic moment reaction of chemical industry deficiency, the invention provides a kind of reduce fusing point, effectively be applicable to chemical industry synthetic in low melting point packing film and preparation method thereof of moment reaction.
The technical scheme that the present invention adopts is:
A kind of low melting point packing film, said low melting point packing film is a three-layer co-extruded mechanism film, comprises upper strata, lower floor and the middle level between upper strata and lower floor; Said the upper and lower are EVA ethene antiblock layer, and said middle level is the EVA pvdf layer, and said middle level covers in the said lower floor, and said upper strata covers on the said middle level;
In the described low melting point packing film, described upper strata, lower floor's mass content independently are 21～29.5% separately, and described middle level is 48～56%;
Described the upper and lower include EVA, LDPE and ultra smooth/the anti masterbatch, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0～12 part, ultra smooth/4～8 parts of anti masterbatch;
Described middle level comprises EVA and LDPE, and the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0～8.5 part.
Further, in the described low melting point packing film, described upper strata, lower floor's mass content independently are 22～25% separately, and described middle level is 50～54%.
Further again, in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE11～12 part, ultra smooth/7.5～8 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE8～8.5 part.
Or: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE9.2～10.8 part, ultra smooth/6.8～7.4 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE7.2～7.8 part.
Or be: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE6.5～9 part, ultra smooth/6.1～6.6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE6～6.8 part.
Again or: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE5.2～6.3 part, ultra smooth/5.7～6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE4.2～5.8 part.
In the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE3.4～4.9 part, ultra smooth/4.5～5.6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE1.5～3.8 part.
In the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0 part, ultra smooth/4～4.4 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0 part.
A kind of preparation method of low melting point packing film as claimed in claim 1, said preparation method may further comprise the steps:
(1), preparation of raw material: according in the low melting point packing film, described upper strata, lower floor's mass content independently are 21～29.5% separately, and described middle level is 48～56%;
Described the upper and lower include EVA, LDPE and ultra smooth/the anti masterbatch, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0～12 part, ultra smooth/4～8 parts of anti masterbatch;
Described middle level comprises EVA and LDPE, and the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0～8.5 part;
(2), extrude: the mixture that each layer prepares, send into three extruders through each layered material bucket, three layers of extruder are extruded through molten condition, filter to get into die head through multi-bed filter, melt is evenly extruded through the die lip mouth;
(3), film making process:
(3.1) start cooling vane, the distance of adjustment die lip mouth and nip rolls is regulated cooling vane position and air output, selects for use die lip circle, core rod, mould to lead rod, steady ring and cooling vane mouth;
The position and the air output of (3.2) centrad of adjustment herringbone clamping plate, and nip rolls, cooling vane;
(3.3) be blown into bubble to the mould pipe, introduce the herringbone clamping plate to bubble, when through nip rolls, clamp rubber roll, continue to send into pressurized air, draw the mould pipe and rise to the film bubble;
(3.4) proofread and correct the rolling chord position and put, the rolling axis is parallel with second roller, carries out rolling work, makes the low melting point packing film.
Beneficial effect of the present invention is mainly reflected in:
1, solved effectively in the synthetic moment reaction of chemical industry between synthesis temperature 80～110 nodes, packaging film melts problem rapidly, guarantees that the material that adds can incorporate synthetic reaction in short-term.
2, effectively solve the ultra-thin problem of fusing packaging film, mean thickness 5～6 nanometers promote to melt sooner at the temperature nodes upper film because of film is thin, and dropping into material can incorporate synthetic reaction in the short time at the utmost point.
Figure of description
Fig. 1 is a low melting point packing film structural representation.
Fig. 2 is a low melting point packing film preparation method flow scheme.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further, but protection scope of the present invention is not limited in this:
Embodiment 1
With reference to Fig. 1, a kind of low melting point packing film, said low melting point packing film is a three-layer co-extruded mechanism film, comprises upper strata, lower floor and the middle level between upper strata and lower floor; Said the upper and lower are EVA ethene antiblock layer, and said middle level is the EVA pvdf layer, and said middle level covers in the said lower floor, and said upper strata covers on the said middle level;
In the described low melting point packing film, described upper strata, lower floor's mass content independently are 21～29.5% separately, and described middle level is 48～56%;
Described the upper and lower include EVA, LDPE and ultra smooth/the anti masterbatch, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0～12 part, ultra smooth/4～8 parts of anti masterbatch;
Described middle level comprises EVA and LDPE, and the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0～8.5 part.
Further, in the described low melting point packing film, described upper strata, lower floor's mass content independently are 22～25% separately, and described middle level is 50～54%.
In the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 21%, middle level 56%, lower floor 23%.
Present embodiment is applicable to that fusion temperature is 105 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 11～12 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 7.5～8 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 8～8.5 parts.
The low melting point packaging film of present embodiment is through the combination of above prescription, the packaging bag that various raw materials are housed; Can both reach according to technology needs to melt by node temperature rapidly; Reach the moment reaction, realize the optimum response effect, realize rapid reaction under the novel process condition.
Embodiment 2
With reference to Fig. 1, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 22%, middle level 54%, lower floor 24%.
Present embodiment is applicable to that fusion temperature is 100 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 9.2～10.8 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 6.8～7.4 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 7.2～7.8 parts.
Other schemes of present embodiment are all identical with embodiment 1.
Embodiment 3
With reference to Fig. 1, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 22.5%, middle level 49%, lower floor 29.5%.
Present embodiment is applicable to that fusion temperature is 95 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 6.5～9 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 6.1～6.6 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 6～6.8 parts.
Other schemes of present embodiment are all identical with embodiment 1.
Embodiment 4
With reference to Fig. 1, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 28%, middle level 48.5%, lower floor 25.5%.
Present embodiment is applicable to that fusion temperature is 90 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 5.22～6.3 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 5.7～6.0 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 4.2～5.8 parts.
Other schemes of present embodiment are all identical with embodiment 1.
Embodiment 5
With reference to Fig. 1, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 29%, middle level 50%, lower floor 21%.
Present embodiment is applicable to that fusion temperature is 85 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 3.4～4.9 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 4.5～5.6 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 1.5～3.8 parts.
Other schemes of present embodiment are all identical with embodiment 1.
Embodiment 6
With reference to Fig. 1, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 29.5%, middle level 48%, lower floor 23.5%.
Present embodiment is applicable to that fusion temperature is 80 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 0 part.
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 4～4.4 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 0 part.
Other schemes of present embodiment are all identical with embodiment 1.
Embodiment 7
With reference to Fig. 2, a kind of preparation method of low melting point packing film, said preparation method may further comprise the steps:
(1), preparation of raw material: according in the low melting point packing film, described upper strata, lower floor's mass content independently are 21～29.5% separately, and described middle level is 48～56%;
Described the upper and lower include EVA, LDPE and ultra smooth/the anti masterbatch, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0～12 part, ultra smooth/4～8 parts of anti masterbatch;
Described middle level comprises EVA and LDPE, and the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0～8.5 part;
(2), extrude: the mixture that each layer prepares, send into three extruders through each layered material bucket, three layers of extruder are extruded through molten condition, filter to get into die head through multi-bed filter, melt is evenly extruded through the die lip mouth;
(3), film making process:
(3.1) start cooling vane, the distance of adjustment die lip mouth and nip rolls is regulated cooling vane position and air output, selects for use die lip circle, core rod, mould to lead rod, steady ring and cooling vane mouth;
The position and the air output of (3.2) centrad of adjustment herringbone clamping plate, and nip rolls, cooling vane;
(3.3) be blown into bubble to the mould pipe, introduce the herringbone clamping plate to bubble, when through nip rolls, clamp rubber roll, continue to send into pressurized air, draw the mould pipe and rise to the film bubble;
(3.4) proofread and correct the rolling chord position and put, the rolling axis is parallel with second roller, carries out rolling work, makes the low melting point packing film.
Further, in the described low melting point packing film, described upper strata, lower floor's mass content independently are 22～25% separately, and described middle level is 50～54%.
In the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 21%, middle level 56%, lower floor 23%.
Present embodiment is applicable to that fusion temperature is 105 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 11～12 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 7.5～8 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 8～8.5 parts.
In the present embodiment, the necessary quality of raw material is qualified, and every raw material that impurity is arranged or make moist need be handled qualified could the use;
Because the EVA binding force is strong, the chance that the feed ethylene of liking in molten condition sticks on the extruder screw increases, and moment of torsion increases, so must transform screw rod, way is: A screw rod moulding arc chord angle increases by 8 °, so that melt sorts corresponding loose in the chamber.The B screw rod carries out bonderization, increases screw rod smoothness and toughness, reduces the viscosity of melt to screw rod, make in the extruder chamber melt evenly, flow in order, do not result in blockage; C head cavity structure does not have the dead angle, and die gap is even, and the wind flow of cooling vane and flow speed stability are to guarantee that film thickness is crucial uniformly.
According to capacity of equipment and production situation, select the die lip circle and the mould rod that are complementary for use, cooling vane reaches desirable blow-up ratio (3～5), and if any little flat blow moulding production, blow-up ratio can be greater than more than 6, and product design can be better.
Encrypt breaker plate, encrypt filtering net; To the gap of die lip mouth, must proofread and correct with correct and meticulous plug target, air intake need pass through multiple filtration, exempts dust and piles up or break through the film bubble.
Because EVA viscosity is very big, processing temperature can not be too high or too low, and cooling is not enough, in the raw material agent of smooth property very few, take-up reel is walked around tightly, all is the major causes that cause processing to fail.
The finished film self check is rechecked by the checker again, according to in-house standard or client's standard test, and the packing of weighing after qualified warehouse-in.
The technological parameter of present embodiment is: when producing the common cryogenic film of EVA ethene, the temperature of extruder and die head is 135～185 ℃; When producing EVA ethene ultrathin membrane, the temperature of extruder and die head increases by 10～35 ℃; Because of EVA viscosity is big, therefore should grasp the suitable rotating speed of screw rod, processing temperature can not be too high or too low, and the tension of can not reeling in the time of also should guaranteeing normal cooling and receive film is to guarantee the ordinary production of EVA vinyl film.
Embodiment 8
With reference to Fig. 2, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 22%, middle level 54%, lower floor 24%.
Present embodiment is applicable to that fusion temperature is 100 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 9.2～10.8 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 6.8～7.4 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 7.2～7.8 parts.
Other schemes of present embodiment are all identical with embodiment 7.
Embodiment 9
With reference to Fig. 2, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 22.5%, middle level 49%, lower floor 29.5%.
Present embodiment is applicable to that fusion temperature is 95 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 6.5～9 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 6.1～6.6 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 6～6.8 parts.
Other schemes of present embodiment are all identical with embodiment 7.
Embodiment 10
With reference to Fig. 2, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 28%, middle level 48.5%, lower floor 25.5%.
Present embodiment is applicable to that fusion temperature is 90 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 5.22～6.3 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 5.7～6.0 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 4.2～5.8 parts.
Other schemes of present embodiment are all identical with embodiment 7.
Embodiment 11
With reference to Fig. 2, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 29%, middle level 50%, lower floor 21%.
Present embodiment is applicable to that fusion temperature is 85 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 3.4～4.9 parts,
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 4.5～5.6 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 1.5～3.8 parts.
Other schemes of present embodiment are all identical with embodiment 7.
Embodiment 12
With reference to Fig. 2, in the present embodiment, in the described low melting point packing film, described upper strata, middle level, lower floor's mass content are: upper strata 29.5%, middle level 48%, lower floor 23.5%.
Present embodiment is applicable to that fusion temperature is 80 ℃ a situation, and in the described the upper and lower, the ratio of quality and the number of copies of three components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations,
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 0 part.
Ultra smooth/the anti masterbatch, trade mark AG6532PE, manufacturing enterprise: the general factory of German Constant, 4～4.4 parts;
In the described middle level, the ratio of quality and the number of copies of two components is:
EVA, trade mark 14-2, manufacturing enterprise: 10 parts of Beijing Orient petro-chemical corporations;
LDPE, trade mark C158Y, manufacturing enterprise: Malaysian PETRONAS company, 0 part.
Other schemes of present embodiment are all identical with embodiment 7.
Claims (8)
1. low melting point packing film, it is characterized in that: said low melting point packing film is a three-layer co-extruded mechanism film, comprises upper strata, lower floor and the middle level between upper strata and lower floor; Said the upper and lower are EVA ethene antiblock layer, and said middle level is the EVA pvdf layer, and said middle level covers in the said lower floor, and said upper strata covers on the said middle level;
In the described low melting point packing film, described upper strata, lower floor's mass content independently are 21 ~ 29.5% separately, and described middle level is 48 ~ 56%;
Constituting of described the upper and lower: EVA10 part, LDPE0 ~ 12 part, ultra smooth/4 ~ 8 parts of anti masterbatch, said part is massfraction;
Constituting of described middle level: EVA10 part, LDPE0 ~ 8.5 part, said part is mass fraction.
2. low melting point packing film as claimed in claim 1 is characterized in that: in the described low melting point packing film, described upper strata, lower floor's mass content independently are 22 ~ 25% separately, and described middle level is 50 ~ 54%.
3. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE11 ~ 12 part, ultra smooth/7.5 ~ 8 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE8 ~ 8.5 part.
4. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE9.2 ~ 10.8 part, ultra smooth/6.8 ~ 7.4 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE7.2 ~ 7.8 part.
5. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE6.5 ~ 9 part, ultra smooth/6.1 ~ 6.6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE6 ~ 6.8 part.
6. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE5.2 ~ 6.3 part, ultra smooth/5.7 ~ 6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE4.2 ~ 5.8 part.
7. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE3.4 ~ 4.9 part, ultra smooth/4.5 ~ 5.6 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE1.5 ~ 3.8 part.
8. according to claim 1 or claim 2 low melting point packing film, it is characterized in that: in the described the upper and lower, the ratio of quality and the number of copies of three components is: EVA10 part, LDPE0 part, ultra smooth/4 ~ 4.4 parts of anti masterbatch;
In the described middle level, the ratio of quality and the number of copies of two components is: EVA10 part, LDPE0 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100325921A CN102133966B (en) | 2011-01-30 | 2011-01-30 | Low-melting-point packaging film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100325921A CN102133966B (en) | 2011-01-30 | 2011-01-30 | Low-melting-point packaging film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133966A CN102133966A (en) | 2011-07-27 |
| CN102133966B true CN102133966B (en) | 2012-08-22 |
Family
ID=44293932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100325921A Expired - Fee Related CN102133966B (en) | 2011-01-30 | 2011-01-30 | Low-melting-point packaging film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102133966B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832032B (en) * | 2012-11-23 | 2016-02-17 | 曹修苗 | The manufacture method of three-layer co-extruded EVA compound casting films |
| CN103978757B (en) * | 2014-05-27 | 2016-08-24 | 浙江金瑞薄膜材料有限公司 | A kind of EVA antiseized transparent membrane processing technique |
| CN104893091B (en) * | 2015-06-26 | 2017-03-01 | 福建惠亿美环保材料科技有限公司 | A kind of super transparent EVA film and preparation method thereof |
| CN111331980A (en) * | 2020-03-19 | 2020-06-26 | 青岛海益塑业有限责任公司 | Low-melting-point film, preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458224A (en) * | 2003-04-25 | 2003-11-26 | 北京华盾塑料有限责任公司 | EVA high thermal insulation covering film series and its producing process |
| CN1854182A (en) * | 2005-04-27 | 2006-11-01 | 姬永岭 | Production of low-solution point environmental-protective packaging film |
| CN101376714A (en) * | 2007-08-29 | 2009-03-04 | 刘小平 | Preparation of low melting point environment-protective packaging film |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040105994A1 (en) * | 2002-12-03 | 2004-06-03 | Pang-Chia Lu | Thermoplastic film structures with a low melting point outer layer |
-
2011
- 2011-01-30 CN CN2011100325921A patent/CN102133966B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458224A (en) * | 2003-04-25 | 2003-11-26 | 北京华盾塑料有限责任公司 | EVA high thermal insulation covering film series and its producing process |
| CN1854182A (en) * | 2005-04-27 | 2006-11-01 | 姬永岭 | Production of low-solution point environmental-protective packaging film |
| CN101376714A (en) * | 2007-08-29 | 2009-03-04 | 刘小平 | Preparation of low melting point environment-protective packaging film |
Non-Patent Citations (2)
| Title |
|---|
| 刘友华.EVA 多功能复合膜的研制与应用开发.《塑料》.1999,第28卷(第04期),28-30. * |
| 王洪学等.J-199热熔胶膜的研制.《粘接》.2002,第23卷(第03期),21-23. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102133966A (en) | 2011-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102133966B (en) | Low-melting-point packaging film and preparation method thereof | |
| CN1951773A (en) | Multilayer packing membrane and method of manufacturing same | |
| CN103059402B (en) | A form-fill- seal (FFS) single layer heavy-duty film and a preparation method thereof | |
| CN103009748B (en) | Low-friction and biaxially oriented polypropylene heat-sealing membrane and manufacturing method thereof | |
| CN103009738A (en) | FFS (Form-Fill-Seal) two-layer coextruded repackaging film and preparation method thereof | |
| CN102873954A (en) | Polyester film capable of being subjected to heat seal directly and preparation method | |
| CN102555392B (en) | Propene polymer (PP)/polyethylene (PE) three-layer co-extrusion overload packaging bag film and preparation method thereof | |
| CN110696461B (en) | High-heat-seal-strength puncture-resistant BOPP film and preparation method thereof | |
| CN107312229A (en) | A kind of polyethylene film and preparation method thereof | |
| CN106750823A (en) | A kind of PE heat-shrinkable films and its production technology | |
| CN102765190B (en) | Method for producing biaxially oriented multilayer co-extruded polyolefin shrink film by flat film process | |
| CN109734989A (en) | A kind of film and its preparation method and application | |
| CN103009761B (en) | Polyolefin heat-shrinkable film with high shrinking percentage and manufacturing method thereof | |
| CN111016359B (en) | PE low-temperature packaging film and preparation method and application thereof | |
| CN108016104B (en) | Medical instrument film and preparation process thereof | |
| CN106633328A (en) | Polyethylene composition and thin film with same | |
| CN103009751B (en) | Biaxial stretching polypropylene high heat-seal film and manufacturing method thereof | |
| CN201769424U (en) | Release BOPP thin film | |
| CN109608837A (en) | A kind of polyester-polyolefin film and preparation method thereof | |
| CN103009750B (en) | A kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof | |
| CN105061852A (en) | High oxygen barrier polyethylene/nylon 6 nanocomposite material and preparation method thereof | |
| CN105619745B (en) | The preparation method of the three-layer co-extruded multilayer packing membranes of FFS | |
| JP6487160B2 (en) | Porous film roll | |
| CN103029396A (en) | Biaxially oriented polypropylene shrink film for cigarette packages and manufacturing method and application of shrink film | |
| CN110194860A (en) | A kind of PE heat shrink films and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: 311809 Shaoxing Province, Zhuji City, Huang Zhen Shan Road, No. 218 Patentee after: ZHEJIANG XINYANG TECHNOLOGY CO.,LTD. Address before: 311809 Shaoxing Province, Zhuji City, Huang Zhen Shan Road, No. 88 Patentee before: Zhejiang Great Southeast Packaging Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |