CN105733066A - Special material for preparing heat shrinkable film and preparation method thereof - Google Patents
Special material for preparing heat shrinkable film and preparation method thereof Download PDFInfo
- Publication number
- CN105733066A CN105733066A CN201410746370.XA CN201410746370A CN105733066A CN 105733066 A CN105733066 A CN 105733066A CN 201410746370 A CN201410746370 A CN 201410746370A CN 105733066 A CN105733066 A CN 105733066A
- Authority
- CN
- China
- Prior art keywords
- ethylene
- weight
- percentage
- free radical
- copolymer
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 11
- 229920006257 Heat-shrinkable film Polymers 0.000 title abstract 4
- 229920001577 copolymer Polymers 0.000 claims abstract description 130
- 239000005977 Ethylene Substances 0.000 claims abstract description 78
- -1 ethylene free radical Chemical class 0.000 claims abstract description 76
- 229920005989 resin Polymers 0.000 claims abstract description 76
- 239000011347 resin Substances 0.000 claims abstract description 76
- 229920001519 homopolymer Polymers 0.000 claims abstract description 73
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 229920006300 shrink film Polymers 0.000 claims description 60
- 150000001875 compounds Chemical class 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 23
- 238000005453 pelletization Methods 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 abstract description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 125000000524 functional group Chemical group 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 10
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 7
- 229920000092 linear low density polyethylene Polymers 0.000 description 5
- 239000004707 linear low-density polyethylene Substances 0.000 description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The special material for preparing the heat shrinkable film consists of base resin and at least one modified resin, wherein the base resin is an ethylene free radical homopolymer, the modified resin is at least one of an ethylene-propylene copolymer or an ethylene-butylene copolymer, and the special material is obtained by mixing, melting, extruding and granulating the base resin and the at least one modified resin. The special material for the high-strength heat shrinkable film is prepared by mixing 70-95% of an ethylene free radical homopolymer, 5-30% of an ethylene-propylene copolymer and 5-30% of an ethylene-butylene copolymer with one or two of the ethylene-propylene copolymer and the ethylene-butylene copolymer. The special material for the high-strength heat shrinkable film consists of ethylene and a copolymer thereof, and the modified resin provides functional groups, so that the special material reaches the shrinkage index, and the functional resin is uniformly dispersed and has stable performance; and no other auxiliary agent is added, so that the raw material is purer.
Description
Technical field
The present invention relates to a kind of PP Pipe Compound for producing high-strength hot shrink film, especially a kind of wrapping heat shrink films.
Background technology
Heat shrink films has the advantages such as hot strength height, transparency height and shrinkage factor are good, it is widely used in the whole collection packaging of scattered commodity, the packaging of irregular commodity and replacement for small casing packaging, goods transportation and packing cost more than 30% can be reduced, be in recent years rapidly developed.
The key performance of heat shrink films is the good hot strength of requirement and shrinkage factor, and therefore, this patent is for the performance requirement of heat shrink films, the preparation method that have developed a kind of high-strength hot shrink film PP Pipe Compound.
The main path preparing high-strength hot shrink film PP Pipe Compound has:
(1) various auxiliary agents are weighed in proportion, mix with polyethylene carrier resin, in a heated condition, prepared by double screw extruder extruding pelletization.
(2) various blending resins, function additive are weighed in proportion, mixing, in a heated condition, prepared by dual-screw pelletizer extruding pelletization.
CN1966245 patent proposes a kind of method producing heat shrink films for regenerated polythene, the coextrusion process adopted is: monolayer expressing technique: 25% regenerated polythene (without opening agent, slipping agent), the linear low density polyethylene (LLDPE) (metallocene linear low density polyethylene of available 5%-10% improves intensity) of 74.4-74.8%, 0.2-0.6% viscosifier；Two layers of coextrusion process: the regenerated polythene of 95% and functional master batch, the linear low density polyethylene (LLDPE) of 5% and viscosifier (0.2-0.6% is viscosifier, the linear low density polyethylene (LLDPE) of 4.8-4.4%)；Three-layer co-extruded technique: the linear low density polyethylene (LLDPE) of (a layer) 5% and viscosifier (0.2-0.6% is viscosifier, the linear low density polyethylene (LLDPE) of 4.8-4.4%)；(two layers) 10% linear low density polyethylene (LLDPE) (virgin material) and functional master batch；(three layers) 85% regenerates linear low density polyethylene (LLDPE) or regeneration Low Density Polyethylene and metallocene linear low density polyethylene and functional master batch.
CN103360664A patent proposes a kind of High-transparency polyolefin heat shrinkage film and production method thereof, it is characterized in that: High-transparency polyolefin heat shrinkage film is extruded through single screw extrusion machine by the linear low density polyethylene of 25-35 weight portion, the ethylene-octene copolymer of 20-30 weight portion, the Low Density Polyethylene of 34-54 weight portion and the auxiliary agent of 1 weight portion, extrusion die then through monolayer inflation film manufacturing machine is extruded into pipe, and pipe cooling rear haulage entrance drawing oven carries out the horizontal and vertical drawing process of certain multiple and produces.
CN103331969 patent proposes multi-layer co-extrusion two-way stretching Fowl meat packaging shrink film and preparation method thereof, it is characterized in that: this shrink film gross thickness is 0.03mm-0.10mm, this shrink film is three-layer co-extruded forming, and ground floor is the mixture of ethylene-vinyl acetate copolymer EVA and linear low density polyethylene LLDPE；The second layer is ethylene-vinyl acetate copolymer EVA, third layer is the mixture of linear low density polyethylene LLDPE and low density polyethylene, each layer raw material is separately added into each layer extruder and carries out melting plasticizing, then pass through mould extrusion, form a multilayer film base, through heating inflation, biaxial tension, cooling, after obtaining required folding footpath, shrinkage factor, finished product rolling.
Summary of the invention
It is an object of the invention to provide a kind of PP Pipe Compound for preparing heat shrink films, to solve the heat shrink films PP Pipe Compound of prior art adds the defect of auxiliary agent.
For achieving the above object, the present invention provides a kind of PP Pipe Compound for preparing heat shrink films, being made up of with at least one modified resin base resin, described base resin is ethylene free radical homopolymer, and described modified resin is at least one in ethylene-propylene copolymer or ethylene-butene copolymer.
Further, described PP Pipe Compound is the material that described base resin obtains with described at least one modified resin mixed melting extruding pelletization.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is ethylene-propylene copolymer, and the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or described base resin is ethylene free radical homopolymer, described modified resin is ethylene-butene copolymer, and the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75～85%, the percentage by weight of described ethylene-propylene copolymer is 10～15%, and the percentage by weight of described ethylene-butene copolymer is 5～10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 80%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75%, the percentage by weight of described ethylene-propylene copolymer is 15%, and the percentage by weight of described ethylene-butene copolymer is 10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 85%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 5%.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene free radical homopolymer is 15000-25000.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene-propylene copolymer is 45000-65000.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene-butene copolymer is 40000-60000.
And, for achieving the above object, the preparation method that the present invention proposes a kind of PP Pipe Compound for preparing heat shrink films, it is made up of following steps:
Step 1: ethylene free radical homopolymer is mixed with at least one in ethylene-propylene copolymer, ethylene-butene copolymer；And
Step 2: will mix material, joins in double screw extruder, in the molten state, extrudes granulating.
Wherein, ethylene free radical homopolymer is mixed by step 1 with ethylene-propylene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or ethylene free radical homopolymer is mixed by step 1 with ethylene-butene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
Wherein, ethylene free radical homopolymer is mixed by step 1 with ethylene-propylene copolymer and ethylene-butene copolymer；The percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
The present invention has the effect that；
(1) high-strength hot shrink film PP Pipe Compound forms by ethylene and copolymer thereof, does not contain other materials；
(2) being provided functional group by modified resin in the present invention, make PP Pipe Compound reach shrinkage factor index, hot strength is high, and functional resin is uniformly dispersed, stable performance；
(3) the high-strength hot shrink film PP Pipe Compound of the present invention is added without other auxiliary agent, and raw material is pure, and the course of processing is without dust, environmentally friendly.
(4) high-strength hot shrink film preparation method for material special technique of the present invention is simple, only with by ethylene and copolymer thereof, it is not necessary to other auxiliary agents, can be made into shrinkage factor good, the heat shrink films PP Pipe Compound that hot strength is high.
Detailed description of the invention
The present invention provides a kind of PP Pipe Compound for preparing heat shrink films, it is made up of with at least one modified resin base resin, described base resin is ethylene free radical homopolymer, and described modified resin is at least one in ethylene-propylene copolymer or ethylene-butene copolymer.
Further, described PP Pipe Compound is the material that described base resin obtains with described at least one modified resin mixed melting extruding pelletization.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is ethylene-propylene copolymer, and the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or described base resin is ethylene free radical homopolymer, described modified resin is ethylene-butene copolymer, and the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75～85%, the percentage by weight of described ethylene-propylene copolymer is 10～15%, and the percentage by weight of described ethylene-butene copolymer is 5～10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 80%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75%, the percentage by weight of described ethylene-propylene copolymer is 15%, and the percentage by weight of described ethylene-butene copolymer is 10%.
In the described PP Pipe Compound for preparing heat shrink films, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 85%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 5%.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene free radical homopolymer is 15000-25000.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene-propylene copolymer is 45000-65000.
In the described PP Pipe Compound for preparing heat shrink films, the molecular weight of described ethylene-butene copolymer is 40000-60000.
The concrete scheme of the present invention is to be mixed in proportion being used for producing the base resin of high-strength hot shrink film PP Pipe Compound with one or both modified resin, joins in double screw extruder, through melt extruding, cooling granulation, prepares high-strength hot shrink film PP Pipe Compound.
Most preferred PP Pipe Compound scheme is that ethylene free radical homopolymer mixes use with ethylene-propylene copolymer, ethylene-butene copolymer three kinds, heat shrink films has good Kekelé structure count and mechanical property, and using method is flexible, can on polyethylene production device or polyethylene film processing factory use.
The present invention proposes to be previously used for the preparation method of preparing the PP Pipe Compound of heat shrink films, ethylene free radical homopolymer mix use with one or both in ethylene-propylene copolymer, ethylene-butene copolymer, and this preparation method is made up of following steps:
Step 1: ethylene free radical homopolymer is mixed with at least one in ethylene-propylene copolymer, ethylene-butene copolymer；And
Step 2: will mix material, joins in double screw extruder, in the molten state, extrudes granulating.
Wherein, ethylene free radical homopolymer is mixed by step 1 with ethylene-propylene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or ethylene free radical homopolymer is mixed by step 1 with ethylene-butene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
Wherein, ethylene free radical homopolymer is mixed by step 1 with ethylene-propylene copolymer and ethylene-butene copolymer；The percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
Incorporation time suitable in process described in said method step 1 is 10-30 minute, and best mixing time is 15-20min.Main production equipments is double screw extruder.
The product obtained in aforementioned manners, is high intensity of the present invention for preparing the PP Pipe Compound of heat shrink films.
Embodiment:
Illustrate: the material ratio % in literary composition is mass percent.
This technological innovation part is in that:
(1) high-strength hot shrink film PP Pipe Compound forms by ethylene and copolymer thereof；
(2) being provided functional group by modified resin in the present invention, make PP Pipe Compound reach shrinkage factor index, hot strength is high, and functional resin is uniformly dispersed, stable performance；
(3) adding without other auxiliary agent, raw material is purer, and the course of processing is without dust, environmentally friendly.
(4) high-strength hot shrink film preparation method for material special technique of the present invention is simple, only with by ethylene and copolymer thereof, it is not necessary to other auxiliary agents, can be made into shrinkage factor good, the heat shrink films PP Pipe Compound that hot strength is high, shrinkage factor is close to 80%, and hot strength is close to 20MPa.
Certainly; the present invention also can have other various embodiments; when without departing substantially from present invention spirit and essence thereof, those of ordinary skill in the art can make various corresponding change and deformation according to the present invention, but these change accordingly and deform the protection domain that all should belong to the claims in the present invention.
Claims (14)
1. the PP Pipe Compound being used for preparing heat shrink films, it is characterized in that, being made up of with at least one modified resin base resin, described base resin is ethylene free radical homopolymer, and described modified resin is at least one in ethylene-propylene copolymer or ethylene-butene copolymer.
2. PP Pipe Compound is the material that described base resin obtains with described at least one modified resin mixed melting extruding pelletization according to claim 1.
3. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is ethylene-propylene copolymer, the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or described base resin is ethylene free radical homopolymer, described modified resin is ethylene-butene copolymer, and the percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
4. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
5. the PP Pipe Compound for preparing heat shrink films according to claim 4, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75～85%, the percentage by weight of described ethylene-propylene copolymer is 10～15%, and the percentage by weight of described ethylene-butene copolymer is 5～10%.
6. the PP Pipe Compound for preparing heat shrink films according to claim 5, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 80%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 10%.
7. the PP Pipe Compound for preparing heat shrink films according to claim 5, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 75%, the percentage by weight of described ethylene-propylene copolymer is 15%, and the percentage by weight of described ethylene-butene copolymer is 10%.
8. the PP Pipe Compound for preparing heat shrink films according to claim 5, it is characterized in that, described base resin is ethylene free radical homopolymer, described modified resin is the mixture of ethylene-propylene copolymer, ethylene-butene copolymer, the percentage by weight of wherein said ethylene free radical homopolymer is 85%, the percentage by weight of described ethylene-propylene copolymer is 10%, and the percentage by weight of described ethylene-butene copolymer is 5%.
9. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterised in that the molecular weight of described ethylene free radical homopolymer is 15000-25000.
10. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterised in that the molecular weight of described ethylene-propylene copolymer is 45000-65000.
11. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterised in that the molecular weight of described ethylene-butene copolymer is 40000-60000.
12. the preparation method of the PP Pipe Compound for preparing heat shrink films of claim 1, it is characterised in that be made up of following steps:
Step 1: ethylene free radical homopolymer is mixed with at least one in ethylene-propylene copolymer, ethylene-butene copolymer；And
Step 2: will mix material, joins in double screw extruder, in the molten state, extrudes granulating.
13. the preparation method of the PP Pipe Compound for preparing heat shrink films according to claim 12, it is characterised in that in step 1, ethylene free radical homopolymer is mixed with ethylene-propylene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 5～30%；Or ethylene free radical homopolymer is mixed by step 1 with ethylene-butene copolymer；The percentage by weight of described ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-butene copolymer is 5～30%.
14. the PP Pipe Compound for preparing heat shrink films according to claim 1, it is characterised in that in step 1, ethylene free radical homopolymer is mixed with ethylene-propylene copolymer and ethylene-butene copolymer；The percentage by weight of wherein said ethylene free radical homopolymer is 70～95%, and the percentage by weight of described ethylene-propylene copolymer is 2.5～15%, and the percentage by weight of described ethylene-butene copolymer is 2.5～15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746370.XA CN105733066A (en) | 2014-12-08 | 2014-12-08 | Special material for preparing heat shrinkable film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746370.XA CN105733066A (en) | 2014-12-08 | 2014-12-08 | Special material for preparing heat shrinkable film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105733066A true CN105733066A (en) | 2016-07-06 |
Family
ID=56237928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410746370.XA Pending CN105733066A (en) | 2014-12-08 | 2014-12-08 | Special material for preparing heat shrinkable film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105733066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218159A (en) * | 2016-07-19 | 2016-12-14 | 杭州德雅包装有限公司 | A kind of heat shrink films and utilize the packaging material that this heat shrink films makes |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277109A (en) * | 1999-06-11 | 2000-12-20 | 三井化学株式会社 | Package film and its use |
| CN1290280A (en) * | 1997-09-15 | 2001-04-04 | 金伯利-克拉克环球有限公司 | Stable breathable elastic articles |
| CN1608841A (en) * | 2003-09-24 | 2005-04-27 | 埃克森美孚化学专利公司 | Collation shrink |
| CN1668688A (en) * | 2002-07-29 | 2005-09-14 | 博里利斯技术公司 | Shrink film |
| CN1678678A (en) * | 2002-09-05 | 2005-10-05 | 埃克森美孚化学专利公司 | Shrink film |
| CN103264553A (en) * | 2013-04-28 | 2013-08-28 | 无锡市方成彩印包装有限公司 | Shrink package color film and production method thereof |
| CN103360664A (en) * | 2013-07-16 | 2013-10-23 | 湖北工程学院 | High-transparency polyolefin heat shrinkage film and production method thereof |
| EP2653392A1 (en) * | 2012-04-18 | 2013-10-23 | Borealis AG | Collation shrink films |
-
2014
- 2014-12-08 CN CN201410746370.XA patent/CN105733066A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290280A (en) * | 1997-09-15 | 2001-04-04 | 金伯利-克拉克环球有限公司 | Stable breathable elastic articles |
| CN1277109A (en) * | 1999-06-11 | 2000-12-20 | 三井化学株式会社 | Package film and its use |
| CN1668688A (en) * | 2002-07-29 | 2005-09-14 | 博里利斯技术公司 | Shrink film |
| CN1678678A (en) * | 2002-09-05 | 2005-10-05 | 埃克森美孚化学专利公司 | Shrink film |
| CN1608841A (en) * | 2003-09-24 | 2005-04-27 | 埃克森美孚化学专利公司 | Collation shrink |
| EP2653392A1 (en) * | 2012-04-18 | 2013-10-23 | Borealis AG | Collation shrink films |
| CN103264553A (en) * | 2013-04-28 | 2013-08-28 | 无锡市方成彩印包装有限公司 | Shrink package color film and production method thereof |
| CN103360664A (en) * | 2013-07-16 | 2013-10-23 | 湖北工程学院 | High-transparency polyolefin heat shrinkage film and production method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 冯孝中等: "《高分子材料》", 28 February 2007 * |
| 邹新禧: "《超强吸水剂》", 31 January 2002 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218159A (en) * | 2016-07-19 | 2016-12-14 | 杭州德雅包装有限公司 | A kind of heat shrink films and utilize the packaging material that this heat shrink films makes |
| CN106218159B (en) * | 2016-07-19 | 2018-05-22 | 杭州德雅包装有限公司 | Packaging material made of a kind of heat shrink films and the heat shrink films |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103059376B (en) | Enhanced toughening recycled polyethylene material and preparation method thereof | |
| CN102307723B (en) | Wood-plastic composites utilizing ionomer capstocks and methods of manufacture | |
| CN103182821B (en) | A kind of modified polyamide laminated film and preparation method thereof | |
| KR101256100B1 (en) | Polymer blends for producing films with a reduced number of defects | |
| TW201623397A (en) | Multilayer films, methods of manufacture thereof and articles comprising the same | |
| CN104893084B (en) | A kind of fibre reinforced polyethylene waterproof roll and preparation method | |
| CN102407644B (en) | Biodegradable multilayer composite polyethylene film and preparation method thereof | |
| TWI509005B (en) | Film manufacturing method | |
| KR20220145875A (en) | Matte PE material and its manufacturing method and application | |
| EP2682421A1 (en) | Method for producing reinforced hybrid composite polyethylene plastics | |
| CN103009761B (en) | Polyolefin heat-shrinkable film with high shrinking percentage and manufacturing method thereof | |
| CN102492294A (en) | Biaxially oriented polyamide film and preparation method thereof | |
| CN114031832A (en) | Surface layer material for wood-plastic section and preparation method of wood-plastic section composite material with surface layer material | |
| CN109679263B (en) | High-strength flame-retardant bubble film | |
| JP5363280B2 (en) | Recycled resin composition and heat-shrinkable film comprising crosslinked polyethylene | |
| CN107629317A (en) | A kind of imitation wood line color masterbatch, composite polyethylene material and preparation method thereof | |
| CN105623059B (en) | A kind of polyethylene composition and its film | |
| CN1951994A (en) | Transparent film masterbatch and its preparing method | |
| CN105733066A (en) | Special material for preparing heat shrinkable film and preparation method thereof | |
| CN105524339B (en) | A kind of polyethylene film | |
| CN103182820B (en) | A kind of CPP direct response membrane | |
| CN107603008B (en) | Semi-dull material for BOPP semi-dull transfer base film and preparation method and application thereof | |
| JPH05125232A (en) | Production of regrind | |
| CA2607216A1 (en) | Extrudable polyethylene terephthalate blend | |
| CN104339797B (en) | One can intercept ultraviolet and biodegradable packaging film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
|
| RJ01 | Rejection of invention patent application after publication |