CN108164881A - A kind of PVC cold events sleeve label film and preparation method - Google Patents
A kind of PVC cold events sleeve label film and preparation method Download PDFInfo
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- CN108164881A CN108164881A CN201810069743.2A CN201810069743A CN108164881A CN 108164881 A CN108164881 A CN 108164881A CN 201810069743 A CN201810069743 A CN 201810069743A CN 108164881 A CN108164881 A CN 108164881A
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- pvc
- cold events
- sleeve label
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
Abstract
The invention discloses a kind of PVC cold events sleeve label film and preparation methods, in traditional PVC manufacture crafts, blending addition TPVC thermoplastic elastomer (TPE)s and ACR g VC copolymer resins, material is mixed into uniform dry blend by high-speed mixer and cooling mixing machine, dry blend is plasticized by single screw extrusion machine and squeezed out, and the tubular film product of required specification is disposably blow molded into through blown-film die.V C of TP have the high resiliency of traditional cross-linking vulcanized rubber and preferable with the compatibility of PVC, while but also with the characteristics of common plastics are easy to process, processing method is wide, facilitate the processing methods such as extrusion, blowing, there is the resilience after significantly stretching；ACR g VC are a kind of PVC blending and modifyings agent, can improve the toughness and elongation at break of polyvinyl chloride resin, improve shock resistance and other performances；Therefore ACR g VC copolymer resins and TPVC blendings are added in, you can to keep certain resilience, and can ensure the toughness and mechanical strength of polyvinyl chloride resin.
Description
Technical field
The present invention relates to PCV label technical field of membrane, and in particular to a kind of PVC cold events sleeve label film and preparation side
Method.
Background technology
Cold events are packed, and also referred to as stretch package is a kind of new packaging skill to grow up on the basis of heat shrinkable package
Art, the advantages of having drawn traditional heat shrink films packaging and oriented film, no matter from packaging effect, packing cost saving, pack
Speed etc. has apparent advantage, is widely used in the industries such as food and drink, household electrical appliance, chemicals and building.Film
Cold events are a kind of opposite appellations being heat-shrinked, and are by bag-shaped or tubular elastic plastic film, pass through artificial or cold events packet
After installation stretches expansion, it is sleeved on packing material from top to bottom, using the screen resilience of film in itself, wraps article.Cold events packet
For dress without heating, the energy of consumption only has 1st/20th of heat shrinkable package, be easily recycled and handle, without fire risk, subtract
Few security risk, do not need to heating film will not be with products to be packaged adhesion, loading property is high, for the article on production line, also
Automatic packaging can be achieved.
Cold events and thermal contraction, equally it is using thin-film material " elastic memory " characteristic, realizes the patch to article
Body is packed.Thermal contraction is by by the strand stretch orientation of viscoelastic state and freezing, making it have the contractile function after heating.It is cold
Contraction is stretched orientation using soft segment under room temperature, after external force is eliminated, the molecule segment that is directed by spontaneous disorientation,
It returns to original state, so as to macroscopically generate contractive effect.Therefore, cold events film needs have better flexibility and rebound
Property.
At present, cold events film market is applied at the early-stage, is mainly used in food, household electric appliances, used cold events
Film is PE films, and is that ordinary packing uses.For some small-sized rodlike, columns or the container class packet with certain draw ratio
Dress not only wishes to pack using cold events, forms that protection type is fit or bundling package, is more desirable to print in outer packing
Logo patterns and it is used in connection with the publicity literatures such as illustrate, make commodity that there is more excellent protection and the effect of publicity.Current PE is cold
Shrink film is unable to reach this requirement.
Invention content
The technical problem to be solved in the present invention is to provide a kind of convenience in the cold events sleeve label film of surface printing and its
Preparation method
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of PVC cold events sleeve label film,
It is made of the component of following weight fraction：100 parts of polyvinyl chloride resin main material, 25-30 parts of ACR-g-VC copolymer resins, thermoplastic elastomehc
10-15 parts of body of property, 2.0-2.5 parts of stabilizer, 18-20 parts of plasticizer, 1-2 parts of lubricant.
Further, the thermoplastic elastomer (TPE) is TPVC resins.
Further, the stabilizer thiol methyl tin 181, plasticizer are dioctyl terephthalate.
Further, the lubricant includes in-lubricant RGH-4 and external lubricant polyethylene wax, wherein in-lubricant
The ratio of RGH-4 and external lubricant polyethylene wax is 0.8-1.0:0.3-0.5.
Further, 1.0-2.0 parts of glycerin monostearate is further included in component composition.
In addition, the present invention also provides the preparation method of above-mentioned label film, include the following steps：
(1) polyvinyl chloride resin, stabilizer thiol methyl tin 181, plasticizer terephthaldehyde are added in high-speed mixer rotation process
Dioctyl phthalate；
(2) when high-speed mixer temperature is increased to 75-80 DEG C, ACR-g-VC copolymer resins, thermoplastic elastomer (TPE) are added
TPVC, in-lubricant RGH-4；
(3) when high-speed mixer temperature is increased to 95-100 DEG C, external lubricant polyethylene wax, antifoggant monostearate are added
Glyceride；
(4) when high-speed mixer temperature is increased to 105~110 DEG C or so, mixture is put into cooling mixing machine and is stirred
Cooling；
(5) cooling mixing machine temperature to less than 45 DEG C when discharge, obtain dry blend, it is spare；
(6) dry blend mixed is added in extruder plasticizing to squeeze out, is passing through the disposable blow molding of blown-film die；
Wherein each composition proportion is：100 parts of polyvinyl chloride resin main material, 25-30 parts of ACR-g-VC copolymer resins, TPVC thermoplastics
10-15 parts of elastomer of property, 181 2.0-2.5 parts of stabilizer thiol methyl tin, 18-20 parts of plasticizer dioctyl terephthalate,
0.8-1 parts of in-lubricant RGH-4,0.3-0.5 parts of external lubricant polyethylene wax, 1-2 parts of antifoggant glycerin monostearate.
From above-mentioned technical proposal it can be seen that the present invention has the following advantages：V C of TP have traditional cross-linking vulcanized rubber
High resiliency, ageing-resistant, the every excellent properties of oil resistivity, and it is preferable with the compatibility of PVC, while but also with common plastics processing side
Just the characteristics of, processing method is wide facilitates the processing methods such as extrusion, blowing, has the resilience after significantly stretching, but addition is too
Greatly, the rigidity of village's material and intensity can decline too much；ACR-g-VC is a kind of PVC blending and modifyings agent, can improve the tough of polyvinyl chloride resin
Property and elongation at break, improve shock resistance and other performances, promote Plastic, good weatherability, processing conditions is wide, right
The influence such as intrinsic PVC rigidity, tensile strength is small, and can assign the certain resiliences of PVC, and stretch range is excessive, can cause
Material is broken or stress defect occurs, can not spring back again；Therefore ACR-g-VC copolymer resins and TPVC blendings are added in, you can with
Certain resilience is kept, and can ensure the toughness and mechanical strength of polyvinyl chloride resin.
Specific embodiment
The present invention is described in detail below in conjunction with specific embodiment, embodiment is only the preferred side of the present invention
Formula is not limitation of the invention.
Embodiment one：
Material is mixed first, process is roughly the same with existing hybrid mode, by high-speed mixer and
Cooling mixing machine is mixed into uniform dry blend, and concrete technology is as follows.
(1) 100 parts of polyvinyl chloride resins, 2.5 parts of 181,18 parts of stabilizer thiol methyl tins are added in high-speed mixer rotation process
Plasticizer dioctyl terephthalate；
(2) when high-speed mixer temperature is increased to 75-80 DEG C, 25 parts of ACR-g-VC copolymer resins, 15 parts of thermoplastics are added
Property elastomer TPVC, 0.8 part of in-lubricant RGH-4；V C of TP have the high resiliency of traditional cross-linking vulcanized rubber, ageing-resistant, oil resistant
Property items excellent properties, and it is preferable with the compatibility of PVC, while but also with the spy that common plastics are easy to process, processing method is wide
Point facilitates the processing methods such as extrusion, blowing, there is the resilience after significantly stretching, but addition is too big, the rigidity of material and strong
Degree can decline too much, therefore the additive amount in the present embodiment is controlled the 15% of main material；ACR-g-VC is that a kind of PVC blendings change
Property agent, the toughness and elongation at break of polyvinyl chloride resin can be improved, improve shock resistance and other performances, promote Plastic,
Good weatherability, processing conditions is wide, and the influence such as rigidity, the tensile strength intrinsic on PVC is small, and can assign the certain rebounds of PVC
Property, when stretch range is excessive, material can be caused to be broken or stress defect occur, can not realize rebound；Therefore ACR-g-VC is total to
Poly resin and TPVC blendings add in, you can to keep certain resilience, and can ensure that the toughness of polyvinyl chloride resin and mechanics are strong
Degree.Wherein ACR-g-VC copolymer resins：The Solvic 465SE, the Vinnolit of Hirst company of Solvay can be selected
Vinnol VK602/64 of H2264Z, Wacker company etc.；TPVC elastomers：The Sumiflex of SUMITOMO CHEMICAL company can be selected；
The Samprence of Mitsubishi Corporation of Japan；The Denka Rheomer G of Japan Electric chemical company；Nippon Zeon Co., Ltd.
Elastar etc..
(3) when high-speed mixer temperature is increased to 95-100 DEG C, add 0.3 especially lubricant polyethylene wax, 1.5 parts it is antifog
Agent glycerin monostearate；
(4) when high-speed mixer temperature is increased to 105~110 DEG C or so, mixture is put into cooling mixing machine and is stirred
Cooling；
(5) cooling mixing machine temperature to less than 45 DEG C when discharge, obtain dry blend, it is spare；
After material mixes, put into extruder, be plasticized using single screw extrusion machine.The equipment used is single spiral shell
Bar extruder, screw diameter 65mm, screw slenderness ratio 29.5:1, compression ratio 2.8:1.Blown film die port mould diameter 250mm, mouth mold
Gap 1.1mm, bubble blown is than 3.1, double air port vanes.Extruder temperature：135-140 DEG C, 150-155 DEG C, 160-165 DEG C,
165-175 DEG C, 160-165 DEG C.Mold temperature:160-150 DEG C, 165-170 DEG C.It recycles blown-film die molding, then carry out
Vane cooling forms film bubble, folds using collapser, being cut into biplate film and (monolithic membrane also can be first cut into, according to packing material ruler
Very little, cut into than packing material outer perimeter slightly smaller dimension, then be bonded to tubular, cold events packaging uses), be made the half of curling into
Product, further according to needing to cut into required size.PVC cold events sleeve label films, if size is suitable or determines according to packing material
The tubular film done can directly pack use.The tubular film diameter directly used, under normal circumstances should be outer than packing material
The small 10-50% of diameter.Sleeve film and the selection of two size disparity amounts of packing material, determine depending on packing material pressure resistance situation and degree of packing tightly requirement
Fixed, packing material pressure resistance, degree of packing tightly is more demanding, just selects gap amount larger.Cold events sleeve film is expanded distance greatly in this way, is received
It is wrapped up after contracting closer.
Tubular membrane may be used general plastic film printing mode, relational pattern and word in printing.Also it can pack
Scene, by the way of inkjet printing, impressing pattern and word on packaged PVC cold events sleeve film.
The sleeve label film that thickness is 0.025mm will be eventually fabricated to be tested for the property, transverse tensile strength is
27.9MPa, longitudinal tensile strength 44.7MPa；Its transverse breakage elongation is 861.2MPa, and longitudinal elongation at break rate is
649.8MPa；Its cross direction tear strength is 653.2MPa, machine direction tear 262.7MPa；Mist degree is 2.9%.
Embodiment two and the technical solution of embodiment one are substantially the same, and difference is the composition of component：
Wherein each composition proportion is：100 parts of polyvinyl chloride resin main material, 28 parts of ACR-g-VC copolymer resins, TPVC thermoplastic elastomehcs
12 parts of body of property, 181 2.3 parts of stabilizer thiol methyl tin, 19 parts of plasticizer dioctyl terephthalate, in-lubricant RGH-
40.8 parts, 0.3 part of external lubricant polyethylene wax, 1.5 parts of antifoggant glycerin monostearate.
The sleeve label film that thickness is 0.025mm will be eventually fabricated to be tested for the property, transverse tensile strength is
29.3MPa, longitudinal tensile strength 42.4MPa；Its transverse breakage elongation is 862.1MPa, and longitudinal elongation at break rate is
652.1MPa；Its cross direction tear strength is 667.8MPa, machine direction tear 272.1MPa；Mist degree is 3.3%.
Embodiment three：
Wherein each composition proportion is：100 parts of polyvinyl chloride resin main material, 30 parts of ACR-g-VC copolymer resins, TPVC thermoplastic elastomehcs
10 parts of body of property, 181 2 parts of stabilizer thiol methyl tin, 20 parts of plasticizer dioctyl terephthalate, in-lubricant RGH-41.0
Part, 0.5 part of external lubricant polyethylene wax, 1.5 parts of antifoggant glycerin monostearate.
The sleeve label film that thickness is 0.025mm will be eventually fabricated to be tested for the property, transverse tensile strength is
28.7MPa, longitudinal tensile strength 43.4MPa；Its transverse breakage elongation is 860.7MPa, and longitudinal elongation at break rate is
650.3MPa；Its cross direction tear strength is 669.9MPa, machine direction tear 273.4MPa；Mist degree is 3.3%.
It is seen from the above data that using the cold events label film tensile strength of above-mentioned manufacturing process, elongation at break,
Tearing strength can meet the packaging demand of small-sized rodlike, column or the container class with certain draw ratio and other items, and PVC
For resin as a kind of polar material, product printing performance is preferable, if the auxiliary agent selection of surface property involved in formula it is suitable,
Dosage is appropriate, it is ensured that PVC cold events sleeve labels film has good printing performance, therefore can be printed in outer packing
Logo patterns and it is used in connection with the publicity literatures such as illustrate, make commodity that there is more excellent protection and the effect of publicity.
Claims (7)
1. a kind of PVC cold events sleeve label film, it is characterised in that be made of the component of following weight fraction：The main original of polyvinyl chloride resin
100 parts of material, 25-30 parts of ACR-g-VC copolymer resins, 10-15 parts of thermoplastic elastomer (TPE), 2.0-2.5 parts of stabilizer, plasticizer 18-
20 parts, 1-2 parts of lubricant.
2. PVC cold events sleeve label film according to claim 1, it is characterised in that：The thermoplastic elastomer (TPE) and PVC
Resin is fully compatible system.
3. PVC cold events sleeve label film according to claim 2, it is characterised in that：The thermoplastic elastomer (TPE) is
TPVC resins.
4. PVC cold events sleeve label film according to claim 1, it is characterised in that：The stabilizer thiol methyl tin
181, plasticizer is dioctyl terephthalate.
5. PVC cold events sleeve label film according to claim 1, it is characterised in that：The lubricant includes interior lubrication
Agent RGH-4 and external lubricant polyethylene wax, the wherein ratio of in-lubricant RGH-4 and external lubricant polyethylene wax are 0.8-1.0:
0.3-0.5。
6. PVC cold events sleeve label film according to claim 1, it is characterised in that：1.0- is further included in component composition
2.0 parts of glycerin monostearate.
7. a kind of PVC cold events sleeve label membrane preparation method, it is characterised in that include the following steps：
(1) polyvinyl chloride resin, stabilizer thiol methyl tin 181, plasticizer terephthalic acid (TPA) two are added in high-speed mixer rotation process
Monooctyl ester；
(2) when high-speed mixer temperature is increased to 75-80 DEG C, add ACR-g-VC copolymer resins, thermoplastic elastomer (TPE) TPVC,
In-lubricant RGH-4；
(3) when high-speed mixer temperature is increased to 95-100 DEG C, external lubricant polyethylene wax, antifoggant glycerol monostearate are added
Ester；
(4) when high-speed mixer temperature is increased to 105~110 DEG C or so, mixture is put into cooling mixing machine and stirs cooling；
(5) cooling mixing machine temperature to less than 45 DEG C when discharge, obtain dry blend, it is spare；
(6) dry blend mixed is added in extruder plasticizing to squeeze out, is passing through the disposable blow molding of blown-film die；
Wherein each composition proportion is：100 parts of polyvinyl chloride resin main material, 25-30 parts of ACR-g-VC copolymer resins, TPVC thermoplastic elastomehcs
10-15 parts of body of property, 181 2.0-2.5 parts of stabilizer thiol methyl tin, 18-20 parts of plasticizer dioctyl terephthalate, interior profit
0.8-1 parts of lubrication prescription RGH-4,0.3-0.5 parts of external lubricant polyethylene wax, 1-2 parts of antifoggant glycerin monostearate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069743.2A CN108164881B (en) | 2018-01-24 | 2018-01-24 | PVC (polyvinyl chloride) cold-shrinkable sleeve label film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069743.2A CN108164881B (en) | 2018-01-24 | 2018-01-24 | PVC (polyvinyl chloride) cold-shrinkable sleeve label film and preparation method thereof |
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| CN108164881A true CN108164881A (en) | 2018-06-15 |
| CN108164881B CN108164881B (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912962A (en) * | 2021-11-17 | 2022-01-11 | 新疆中泰化学阜康能源有限公司 | PVC plastic cloth and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113912962A (en) * | 2021-11-17 | 2022-01-11 | 新疆中泰化学阜康能源有限公司 | PVC plastic cloth and preparation method thereof |
| CN113912962B (en) * | 2021-11-17 | 2023-03-10 | 新疆中泰化学阜康能源有限公司 | PVC plastic cloth and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108164881B (en) | 2021-05-04 |
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