CN106218169A - A kind of polypropylene film of peel strength enhancement mode and preparation method thereof - Google Patents
A kind of polypropylene film of peel strength enhancement mode and preparation method thereof Download PDFInfo
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- CN106218169A CN106218169A CN201610577904.XA CN201610577904A CN106218169A CN 106218169 A CN106218169 A CN 106218169A CN 201610577904 A CN201610577904 A CN 201610577904A CN 106218169 A CN106218169 A CN 106218169A
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- peel strength
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- polypropylene film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention belongs to high molecular film material technical field, it is specifically related to polypropylene film of a kind of peel strength enhancement mode and preparation method thereof, the method is to be placed in the polypropylene film after co-extruding biaxial stretched molding in irradiation apparatus to carry out irradiation again, makes crosslinking between layers of polypropylene film react to increase peel strength between layers.What the present invention provided utilizes radiating crosslinked polypropylene multilayer film to the method strengthening peel strength, effectively enhance the peel strength between layer of polypropylene foil and layer and strengthen the hot strength of thin film, solve the problem that existing polypropylene multi-layer film interlayer is easily separated from, improve the safety that polypropylene film uses.
Description
Technical field
The invention belongs to high molecular film material technical field, the polypropylene being specifically related to a kind of peel strength enhancement mode is thin
Film and preparation method thereof.
Background technology
Polypropylene film is owing to having light weight, nontoxic, odorless, protection against the tide, mechanical strength height, good stability of the dimension, printing
Can good, the advantage such as the transparency is good and be widely used in packaging material, household electrical appliance, articles for daily use, auto parts and components with
And the field such as construction.The polypropylene film used the most both at home and abroad is multi-layer co-extrusion two-way stretching thin film mostly, and such is thin
Being combined with each other by physical action between layers of film, by easily causing film interlayer to depart from after External Force Acting, have impact on thin
The service life of film and the safety of application, therefore research and development has the thin film of bigger peel strength between layers to poly-third
The extensively application of alkene composite membrane is significant.
Radiation is a kind of method of food and medicine medical article cold sterilization, but is used for during radiation sterilization packing this
Structure and the performance of the plastic sheeting of a little goods can change because of the effect of high-energy ray, poly-in conventional plastics package
The stability of Polypropylene film is relatively poor, therefore, it is necessary to the irradiation stability of research plastic sheeting.Crosslinking with radiation is polypropylene
Thin film passes through ionizing radiation, occurs chemical reaction to cross-link between main chain linear molecule, and crosslinking with radiation can be effectively improved poly-third
The hot strength of alkene thin film and resistance to chemical corrosion etc..In recent years, radiating crosslinked polypropylene thin film is owing to its process costs is low, wound
Effect is big, and can be effectively improved the property such as the mechanical property of thin film, resistance to chemical corrosion, thermostability, dimensional stability, anti-flammability
Can and quickly grow.
Based on above reason, our design provides one, and to utilize crosslinking with radiation to carry out RPP thin film splitting strong
The method of degree, utilizes being combined between layers of the polypropylene multi-layer film prepared by the method by crosslinking method, in conjunction with more
Firmly, effectively enhance thin film peel strength between layers, can prevent owing to what adhesion etc. caused takes off between layers
From phenomenon, improve polypropylene film use safety so that such thin film has prior using value.
Summary of the invention
Object of the present invention is to provide and a kind of utilize poly-the third of crosslinking with radiation effectively reinforcing membrane interlaminar strength
Alkene thin film and preparation method thereof, solves existing multi-layer polypropylene composite membrane by the method easy by External Force Acting caudacoria layer
The problem departed from.
For achieving the above object, the technical solution used in the present invention is:
The preparation method of the polypropylene film of a kind of peel strength enhancement mode, comprises the following steps:
A, in proportion the component of each for polypropylene film layer is put into respectively in each self-corresponding double screw extruder melted, and
Die head converges and extrudes through die lip；
B, through the melt cooled formation slab of coextrusion；
C, slab carry out longitudinal stretching and cross directional stretch molding the most according to this；
D, the thin film of molding are placed in irradiation apparatus again and carry out irradiation, can be prepared by film interlayer and have poly-the third of bigger peel strength
Alkene thin film.
Preferably, in step a, extruder die head temperature controls at 180-190 DEG C.
Preferably, in step b, sharp cooling roll temperature controls at 30-35 DEG C, and bath temperature controls at 30-35 DEG C.
Preferably, the concretely comprising the following steps of longitudinal stretching in step c, slab first preheats at a temperature of 125-140 DEG C,
Longitudinal stretching at 120-135 DEG C, stretching ratio is 3.5-4.5；The concretely comprising the following steps of cross directional stretch in step c, slab is laterally drawn
Preheat at a temperature of 155-170 DEG C before stretching, stretch at a temperature of 135-150 DEG C, 150-155 DEG C of thermal finalization, stretching
Multiplying power is 7.0-8.0.
Preferably, the radiation source that in step d, irradiation uses is Co-60, and irradiation is 3-10 kGy.
The polypropylene film of the peel strength enhancement mode that a kind of above-mentioned preparation method prepares, its upper epidermis includes as follows
The component of weight portion, 80-90 part HOPP, 3-5 part calcium carbonate masterbatch, 1-2 part crosslinking sensitizer and 0.1-0.2 part antioxygen
Agent, sandwich layer includes the component of following weight portion, 85-90 part HOPP, 5-10 part calcium carbonate masterbatch, the crosslinking sensitization of 1-2 part
Agent and 0.1-0.2 part antioxidant, layer includes the component of following weight portion, 80-85 part HOPP, 3-5 part calcium carbonate
Masterbatch, 1-2 part crosslinking sensitizer, 0.1-0.2 part antioxidant and 2-3 part antibock Masterbatch.
Preferably, above-mentioned crosslinking sensitizer uses trimethylol-propane trimethacrylate (TMPTMA) or three hydroxyls
Propane tri (TMPTA).
Preferably, above-mentioned antioxidant uses irgasfos 168 or antioxidant 1010.
The invention has the beneficial effects as follows: the present invention through screening, draw be best suitable for the cross-linking agent of processing consideration, each group
Distribution ratio and preparation process condition；The polypropylene multi-layer film that the present invention provides is thin by enhancing significantly after crosslinking with radiation
Film peel strength between layers, improves thin film combination dynamics between layers, can effectively solve film pull-up from
Problem, the safety in utilization improving polypropylene film of high degree, crosslinked after polypropylene film can preferably apply
In fields such as packaging material, household electrical appliance, articles for daily use, auto parts and components and construction.
Detailed description of the invention
Below by embodiment the present invention it is specifically described and illustrates:
Embodiment 1
Each component being weighed in proportion, upper epidermis uses 90 parts of HOPPs, 5 parts of calcium carbonate masterbatch, 1 part of trimethylolpropane
Trimethyl acrylic ester and 0.1 part of irgasfos 168, sandwich layer uses 85 parts of HOPPs, 10 parts of calcium carbonate masterbatch, 1 part of three hydroxyl
Trimethacrylate and 0.1 part of irgasfos 168, layer uses 80 parts of HOPPs, 5 parts of calcium carbonate mothers
Material, 1 part of trimethylol-propane trimethacrylate, 0.1 part of irgasfos 168 and 2 parts of antibock Masterbatchs.Following production is used to add
Work step produces suddenly:
A, upper epidermis, sandwich layer, each component of layer are put into each self-corresponding double screw extruder respectively in melted, by three
Planting melt to filter respectively, and converge in die head through die head extrusion, extruder die head temperature is 190 DEG C；
B, melt from die head extrusion attach to 32 DEG C of sharp cooling rolls Quench formation slab in 32 DEG C of water-baths by high pressure air knife；
C, slab enter longitudinal stretching after pressure roller and compressed air are except water, and slab is through 135 DEG C of preheatings, and at 130 DEG C
Longitudinal stretching, stretching ratio is 4.0；
D, after longitudinal stretching, carry out cross directional stretch again, preheat with 170 DEG C before cross directional stretch, draw at 150 DEG C
Stretching, 155 DEG C of thermal finalizations, stretching ratio is 8.0；
Thin film after e, cross directional stretch is placed in Co-60 radiation source again, the dosage of irradiation 3 kGy, can be prepared by film interlayer and has
The polypropylene film of bigger peel strength.
Embodiment 2
Each component being weighed in proportion, upper epidermis uses 80 parts of HOPPs, 3 parts of calcium carbonate masterbatch, 2 parts of trimethylolpropanes
Triacrylate and 0.2 part of antioxidant 1010, sandwich layer uses 90 parts of HOPPs, 5 parts of calcium carbonate masterbatch, 2 parts of trihydroxy methyls
Propane triacrylate and 0.2 part of antioxidant 1010, layer use 85 parts of HOPPs, 3 parts of calcium carbonate masterbatch, 2 part three
Hydroxymethyl-propane triacrylate, 0.2 part of antioxidant 1010 and 3 parts of antibock Masterbatchs.Following production and processing step is used to carry out
Produce:
A, upper epidermis, sandwich layer, each component of layer are put into each self-corresponding double screw extruder respectively in melted, by three
Planting melt to filter respectively, and converge in die head through die head extrusion, extruder die head temperature is 180 DEG C；
B, melt from die head extrusion attach to 30 DEG C of sharp cooling rolls Quench formation slab in 30 DEG C of water-baths by high pressure air knife；
C, slab enter longitudinal stretching after pressure roller and compressed air are except water, and slab is through 140 DEG C of preheatings, and at 120 DEG C
Longitudinal stretching, stretching ratio is 3.5；
D, after longitudinal stretching, carry out cross directional stretch again, preheat with 160 DEG C before cross directional stretch, draw at 135 DEG C
Stretching, 150 DEG C of thermal finalizations, stretching ratio is 7.5；
Thin film after e, cross directional stretch is placed in Co-60 radiation source again, the dosage of irradiation 10 kGy, can be prepared by film interlayer and has
The polypropylene film of bigger peel strength.
Embodiment 3
Each component being weighed in proportion, upper epidermis uses 85 parts of HOPPs, 5 parts of calcium carbonate masterbatch, 2 parts of trimethylolpropanes
Trimethyl acrylic ester and 0.2 part of irgasfos 168, sandwich layer uses 85 parts of HOPPs, 10 parts of calcium carbonate masterbatch, 2 part of three hydroxyl
Trimethacrylate and 0.2 part of irgasfos 168, layer uses 80 parts of HOPPs, 5 parts of calcium carbonate mothers
Material, 2 parts of trimethylol-propane trimethacrylates, 0.2 part of irgasfos 168 and 2 parts of antibock Masterbatchs.Following production is used to add
Work step produces suddenly:
A, upper epidermis, sandwich layer, each component of layer are put into each self-corresponding double screw extruder respectively in melted, by three
Planting melt to filter respectively, and converge in die head through die head extrusion, extruder die head temperature is 188 DEG C；
B, melt from die head extrusion attach to 32 DEG C of sharp cooling rolls Quench formation slab in 32 DEG C of water-baths by high pressure air knife；
C, slab enter longitudinal stretching after pressure roller and compressed air are except water, and slab is through 135 DEG C of preheatings, and at 130 DEG C
Longitudinal stretching, stretching ratio is 4.0；
D, after longitudinal stretching, carry out cross directional stretch again, preheat with 170 DEG C before cross directional stretch, draw at 160 DEG C
Stretching, 165 DEG C of thermal finalizations, stretching ratio is 7.0；
Thin film after e, cross directional stretch is placed in Co-60 radiation source again, the dosage of irradiation 8kGy, can be prepared by film interlayer and has relatively
The polypropylene film of big peel strength.
Comparative example
In comparative example, the composition of polypropylene film is same as in Example 3, does not include last radiation treatment in preparation method step
Process.
Embodiment 1-3 and comparative example gained finished product are carried out performance test, and result see table 1:
Table 1 performance test data
。
As it can be seen from table 1 the performance of the product produced of the present invention and plain edition bidirectional stretching polypropylene film
Test result is compared, and the gel content of product of the present invention is greatly increased, and illustrates that polypropylene film there occurs that crosslinking is anti-after irradiated
Should；Hot strength and the peel strength of irradiation rear film are greatly improved the most therewith, effectively reduce the disengaging problem of film interlayer.
Claims (8)
1. the preparation method of the polypropylene film of a peel strength enhancement mode, it is characterised in that comprise the following steps:
A, upper epidermis, sandwich layer, each component of layer are put into each self-corresponding double screw extruder respectively in melted, and
Die head converges and extrudes through die lip；
B, attach on sharp cooling roll Quench in a water bath through the melt of die lip coextrusion by high pressure air knife and form slab；
C, slab carry out longitudinal stretching and cross directional stretch molding the most according to this；
D, the thin film of molding are placed in irradiation apparatus again and carry out irradiation, obtain the polypropylene film of peel strength enhancement mode.
Preparation method the most according to claim 1, it is characterised in that in step a, extruder die head temperature controls at 180-
190℃。
Preparation method the most according to claim 1, it is characterised in that in step b, sharp cooling roll temperature controls at 30-35 DEG C,
Bath temperature controls at 30-35 DEG C.
Preparation method the most according to claim 1, it is characterised in that the concretely comprising the following steps of longitudinal stretching in step c, slab
First preheating at a temperature of 125-140 DEG C, longitudinal stretching at 120-135 DEG C, stretching ratio is 4.0, slab cross directional stretch
Before preheat at a temperature of 155-170 DEG C, stretch at a temperature of 135-150 DEG C, 150-155 DEG C of thermal finalization, stretching times
Rate is 7.0.
Preparation method the most according to claim 1, it is characterised in that the radiation source that in step d, irradiation uses is Co-60,
Irradiation is 3-10 kGy.
6. the polypropylene of the peel strength enhancement mode prepared according to preparation method described in any one of claim 1-5 is thin
Film, it is characterised in that upper epidermis includes the component of following weight portion, 80-90 part HOPP, 3-5 part calcium carbonate masterbatch, 1-
2 parts of crosslinking sensitizers and 0.1-0.2 part antioxidant, sandwich layer includes the component of following weight portion, 85-90 part HOPP, 5-
10 parts of calcium carbonate masterbatch, 1-2 part crosslinking sensitizer and 0.1-0.2 part antioxidant, layer includes the component of following weight portion,
80-85 part HOPP, 3-5 part calcium carbonate masterbatch, 1-2 part crosslinking sensitizer, 0.1-0.2 part antioxidant and 2-3 part are antiseized
Even masterbatch.
Polypropylene film the most according to claim 6, it is characterised in that described crosslinking sensitizer uses three hydroxyl first
Base propane trimethyl acrylic ester or trimethylolpropane trimethacrylate.
Polypropylene film the most according to claim 6, it is characterised in that described antioxidant uses irgasfos 168
Or antioxidant 1010.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610577904.XA CN106218169B (en) | 2016-07-21 | 2016-07-21 | Enhanced polypropylene film of a kind of peel strength and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610577904.XA CN106218169B (en) | 2016-07-21 | 2016-07-21 | Enhanced polypropylene film of a kind of peel strength and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218169A true CN106218169A (en) | 2016-12-14 |
| CN106218169B CN106218169B (en) | 2018-02-16 |
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| CN201610577904.XA Active CN106218169B (en) | 2016-07-21 | 2016-07-21 | Enhanced polypropylene film of a kind of peel strength and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637118A (en) * | 2022-09-08 | 2023-01-24 | 湖南万祺科技有限公司 | Lithium battery double-sided hot melt adhesive based on high bonding force under thermal stability |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005350101A (en) * | 2004-06-10 | 2005-12-22 | Toppan Printing Co Ltd | Package having oxygen absorbing capability |
| CN103448254A (en) * | 2013-08-30 | 2013-12-18 | 华威聚酰亚胺有限责任公司 | Biaxially-oriented polypropylene capacitance film resisting high temperature and preparation method thereof |
| CN204076985U (en) * | 2014-06-30 | 2015-01-07 | 海宁市产品质量监督检验所 | One easily tears food package film |
-
2016
- 2016-07-21 CN CN201610577904.XA patent/CN106218169B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005350101A (en) * | 2004-06-10 | 2005-12-22 | Toppan Printing Co Ltd | Package having oxygen absorbing capability |
| CN103448254A (en) * | 2013-08-30 | 2013-12-18 | 华威聚酰亚胺有限责任公司 | Biaxially-oriented polypropylene capacitance film resisting high temperature and preparation method thereof |
| CN204076985U (en) * | 2014-06-30 | 2015-01-07 | 海宁市产品质量监督检验所 | One easily tears food package film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637118A (en) * | 2022-09-08 | 2023-01-24 | 湖南万祺科技有限公司 | Lithium battery double-sided hot melt adhesive based on high bonding force under thermal stability |
| CN115637118B (en) * | 2022-09-08 | 2023-11-21 | 湖南万祺科技有限公司 | Lithium battery double-sided hot melt adhesive based on high adhesion under thermal stability |
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| CN106218169B (en) | 2018-02-16 |
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Effective date of registration: 20200506 Address after: 056000 4001, 4th floor, Kailin Hotel, quanchen complex building, No. 33, National Road 309, Hanshan District, Handan City, Hebei Province Patentee after: Hebei first new material technology Co., Ltd Address before: 056106, Hebei, Handan province Handan County on behalf of the township on behalf of the West Village (309 State Road South) Patentee before: HEBEI WEITUO ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |