CN108690298A - A kind of polyvinyl chloride calendered film and preparation method thereof - Google Patents
A kind of polyvinyl chloride calendered film and preparation method thereof Download PDFInfo
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- CN108690298A CN108690298A CN201810667786.0A CN201810667786A CN108690298A CN 108690298 A CN108690298 A CN 108690298A CN 201810667786 A CN201810667786 A CN 201810667786A CN 108690298 A CN108690298 A CN 108690298A
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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
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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
- 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
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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
- 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
- C08J2427/22—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 modified by chemical after-treatment
- C08J2427/24—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 modified by chemical after-treatment halogenated
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- 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
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
- C08K5/58—Organo-tin compounds containing sulfur
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Abstract
The present invention relates to a kind of polyvinyl chloride calendered film and its preparation method, including:1) by raw material melting mixing:By weight, the raw material contains:100 parts of universal Corvic;1~30 part of chlorinated polyvinyl chloride resin;2) preplasticizing is carried out to the product of step 1), obtains preplasticizing product;3) preplasticizing product calender is transported to roll;The step of calendering includes:I) preplasticizing product is transported to calender system, so that preplasticizing product is passed through stack, the temperature of stack is 180~210 DEG C, obtains calendered product;Ii) use deflects from mechanism and removes calendered product from stack, and so that calendered product is deflected from roller group and second by first successively and deflect from roller group, and the first temperature for deflecting from roller group is 20~50 DEG C, and the second temperature for deflecting from roller group is 80~120 DEG C.The polyvinyl chloride calendered film that this method obtains has preferable transparency and lower glossiness.
Description
Technical field
The invention belongs to polymeric material fields, and in particular to a kind of polyvinyl chloride calendered film and preparation method thereof.
Background technology
Calendering formation (calendering molding) is a kind of one-shaping technique being exclusively used in thermoplastic,
Basic forming principle is that molding materials are first heated fusion plastification with various plasticating equipments, then pass through the melt being plasticized
A series of roller gap of opposite direction rotatings, be subjected to squeeze becomes planar continuous plastic body with extension effect, using
Cooling and shaping and post-processing appropriate obtain film, piece class plastic products.
Calendering formation technology can be used in various thermoplastics in principle, and the maximum extruded plastic kind of dosage is at present
Polyvinyl chloride, followed by polyethylene, polypropylene, modified polystyrene, ABS, makrolon, polybutylene terephthalate (PBT) and
The plastics such as cellulose acetate.The major product manufactured with calendering technology is film, sheet material and artificial leather, such as thickness is 0.05-
The soft PVC film of 0.5mm, the rigid polyvinyl chloride sheets that also such as thickness is 0.3~0.7mm.
One preparation calendered film method may include:Molding materials before calendering prepare, calendering formation and extrudate
Sizing and post-processing three phases.Rolled products production line also can by various stock subsidiary engines, calender and various cooling and shapings with
Post-process subsidiary engine three parts composition.
Stock subsidiary engine may include preparing and plastifying material and the feed bin being fed to calender, hopper, meter, mill
Machine, mixer and plasticizing extruder.
Calender may include the stack of multiple relative motions.Material can be clamped in the gap between two rollers
Power taking is to be introduced into roller.
Calender, which may also include, deflects from roller group, the effect for deflecting from roller group be from rolling mill roller uniformly and no wrinkle shell
From molded film, while certain stretching is carried out to product.The front that roller group may be disposed at rolling mill roller discharging is deflected from,
Can be hollow type apart from 75~150ram of the last one stretcher roll, inside can lead to steam heating, existing to prevent cold stretch
Roller group surface is deflected from as being condensed in volatile substances such as plasticizer.
Calender can also play the role of that part cooling is made to shape including cooling device.Cooling device can be cold by 4~8
But roller group cylinder forms.
Invention content
The disclosure provides a kind of preparation method of polyvinyl chloride calendered film, including:
1) by raw material melting mixing:
By weight, the raw material contains:
100 parts of universal Corvic;
1~30 part of chlorinated polyvinyl chloride resin (such as 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,
17,18,19,20,21,22,23,24,25,26,27,28,29,30 parts);
2) preplasticizing is carried out to the product of step 1), obtains preplasticizing product;
3) preplasticizing product calender is transported to roll;
The calender includes calender system and deflects from mechanism, and the calender system includes multiple stacks, described to deflect from
Mechanism deflects from roller group and second including first and deflects from roller group;
The step of calendering includes:
I) preplasticizing product is transported to calender system, so that preplasticizing product is passed through stack, the temperature of stack is 160
~210 DEG C (such as 170 DEG C, 180 DEG C, 190 DEG C or 200 DEG C) obtain calendered product;
Ii) use deflects from mechanism and removes calendered product from stack, and calendered product is made to be deflected from successively by first
Roller group and second deflects from roller group, and the first temperature for deflecting from roller group is 20~50 DEG C (such as 30 DEG C or 40 DEG C), and second deflects from roller group
Temperature be 80~120 DEG C (such as 90 DEG C, 100 DEG C, 110 DEG C).
In some embodiments, raw material contains 1~5 part of chlorinated polyvinyl chloride resin, 5~10 parts, 10~15 parts, 15~
20 parts, 20~25 parts, 25~30 parts or 3~8 parts.
In some embodiments, the calender system includes 2,3,4 or 5 stacks.
In some embodiments, the calender system includes the first stack, the second stack, third calendering
Roller, the 4th stack and the 5th stack:
First calendering roll temperature is 190~210 DEG C;
Second calendering roll temperature is 190~210 DEG C;
It is 190~210 DEG C that third, which rolls roll temperature,;
4th calendering roll temperature is 200~210 DEG C;
5th calendering roll temperature is 190~200 DEG C.
In some embodiments, the product after preplasticizing is made to pass sequentially through the first stack, the second stack, third pressure
Prolong roller, the 4th stack and the 5th stack.
In some embodiments, the rotation linear velocity of the stack is 15~30m/min.
In some embodiments, the rotating speed for respectively deflecting from roller is 70~90m/min.
In some embodiments, the mechanism that deflects from further includes that third deflects from roller group, and the temperature that third deflects from roller group is
90~110 DEG C, the step ii) in, calendered product is removed from stack using mechanism is deflected from, and make calendered product successively
Roller group is deflected from by first, second deflects from roller group and third deflects from roller group.
It is in some embodiments, described that deflect from mechanism further include the mechanism that deflects from further includes the 4th deflecting from roller group, the
Four temperature for deflecting from roller group are 70~90 DEG C, the step ii) in, calendered product is shelled from stack using mechanism is deflected from
From, and make calendered product successively by first deflect from roller group, second deflect from roller group, third deflects from roller group and the 4th deflects from roller group.
In some embodiments, the mechanism that deflects from further includes the 5th deflecting from roller group, the 5th deflect from roller group temperature be
70~90 DEG C, the step ii) in, calendered product is removed from stack using mechanism is deflected from, and make calendered product successively
Roller group is deflected from by first to the 5th.
In some embodiments, the mechanism that deflects from further includes the 6th deflecting from roller group, the 4th deflect from roller group temperature be
70~90 DEG C, the step ii) in, calendered product is removed from stack using mechanism is deflected from, and make calendered product successively
Roller group is deflected from by first to the 6th.
In some embodiments, the raw material also contains 1~5 part of stabilizer (such as 2 parts, 3 parts or 4 parts).
In some embodiments, the raw material also contains 1~5 part of lubricant (such as 2 parts, 3 parts or 4 parts).
In some embodiments, the raw material also contains 1~5 part of processing aid (such as 2 parts, 3 parts or 4 parts).
In some embodiments, the raw material also contain 3~15 parts of reinforcing agent (such as anti-impact modifier) (such as 4,
8,10 or 12 parts).
In some embodiments, the raw material also contains 1~10 part of nano-inorganic substance powder, such as 3~8 parts.
In some embodiments, the raw material does not contain nano-inorganic substance powder, such as SiO 2 powder.
In some embodiments, stabilizer includes thiol methyl tin.
In some embodiments, lubricant is selected from aliphatic dicarboxylic acid ester and stearic acid.
In some embodiments, processing aid includes polyamide.
In some embodiments, reinforcing agent includes MBS resins.
In some embodiments, the degree of polymerization of universal Corvic be 600~1200 (such as 700,800,
900,1000 or 1100), for example, 1050 ± 50.
In some embodiments, the degree of polymerization of chlorinated polyvinyl chloride resin is 600~1000, such as 600~700,700
~800,800~900,850~900 or 900~1000, for example, 870 ± 50.
In some embodiments, the K values of universal Corvic are 60~70, such as 60~62,62~64,64
~66,66~68,68~70.
In some embodiments, the bulk density of universal Corvic is 0.5~0.6g/cc, such as 0.54
~0.56g/cc.
In some embodiments, the bulk density of chlorinated polyvinyl chloride resin is 0.5~0.6g/cc, such as 0.52~
0.54g/cc.
In some embodiments, universal Corvic is ethylene process Corvic, such as single ethylene
The suspension pvc resin of method production.
In some embodiments, universal Corvic is PVC paste resin.
In some embodiments, universal Corvic is selected from:Industrial (Ningbo) Co., Ltd production of platform modeling
The Corvic of S65 models.
Platform modeling S65 Corvics have the following performance:K values 65.7~67.1, average degree of polymerization 1050 ± 50, false ratio
Weight (apparent density) 0.55 ± 0.02g/cc.
In some embodiments, universal Corvic national standard BG/T5761-2006 suspension methods are universal
SG6, SG7, SG8 or SG9 type Corvic described in Corvic.
In some embodiments, chlorinated polyvinyl chloride resin is the H-516A type polyvinyl chloride of Zhong Yuan companies of Japan production
Resin.The resin has the following performance:Average degree of polymerization 870 ± 50, apparent specific gravity (gd) (apparent density) 0.53 ± 0.05g/cc, chlorine contain
Amount 76 ± 2%.
In some embodiments, the thickness of the polyvinyl chloride calendered film is 0.01~10mm, such as 0.01~1mm,
Such as 0.03~0.6mm, such as 0.05~0.8mm, such as 0.01~0.1mm, such as 0.02~0.1mm.
In some embodiments, the thickness of the polyvinyl chloride calendered film is 0.01~10mm.
In some embodiments, preparation method is not included in the step of film surface compacting frosted lines.
In some embodiments, the calender further includes cooling body, and the cooling body described in cooling for drawing
The product of structure of disembarking output.
In some embodiments, the preparation method further includes:
Iii) by step ii) product be transported to cooling body carry out cooling treatment;
Optionally, the cooling body includes one or more cooling roller groups.
In some embodiments, it deflects from roller group and roller group is deflected from such as only deflecting from roller group by one by one or more
At, such as by 1~6, such as 2,3 or 4 it is adjacent deflect from roller group at.One roller that deflects from deflected from roller group has base
This identical temperature.
In some embodiments, cooling roller group is made of one or more chill rolls, such as only by a cooling roller group
At, such as by 1~8, such as 2,4 or 6 adjacent chill roll compositions.Chill roll in one cooling roller group has base
This identical temperature.
In some embodiments, the rotating speed of chill roll is 70~90m/min.
In some embodiments, the temperature of chill roll is 40~60 DEG C.
In some embodiments, the preparation method of polyvinyl chloride calendered film includes following one or multi-step:
1, prepare raw material;
2, mixing machine mixes previous step products therefrom;
3, extruder is plasticized previous step products therefrom, then rolls the product that turbine is kneaded extruder discharge;
4, by previous step product calendering formation;
5, previous step product is deflected from;
6, the cooling, cutting edge by previous step product;
7, previous step product coiling machine is wound;
8, previous step product is packed.
In some embodiments, raw material is mixed through hot type mixing machine and cold type mixing machine successively.
In some embodiments, hot type mixing machine rotating speed 2000~3000rmp/min, 2600rmp/min.
In some embodiments, hot type mixing machine charge order:PVC powder → liquid raw material → other powder raw materials.
In some embodiments, hot type mixing machine liquid feedstock condition:Powder temperature 40 in hot type mixing machine~
At 60 DEG C.
In some embodiments, other powder raw material feed conditions:In hot type mixing machine when 60~80 DEG C of powder temperature.
In some embodiments, hot type mixing machine mixture is transferred to cold type mixing machine condition:Powder in hot type mixing machine
When 90~110 DEG C of temperature;
In some embodiments, 400~600rpm/min of cold type mixing machine rotating speed
In some embodiments, cold type mixing machine mixing termination condition:40~60 DEG C of powder temperature in cold type mixing machine
When.
In some embodiments, extruder temperature sets 100~180 DEG C.
In some embodiments, it rolls turbine temperature and sets 120 DEG C~150 DEG C.
In some embodiments, calendering formation has following one or more features:
A) material that the step makes plasticizing get well is shaped to sheet products through calender.
B) by the material of plasticizing, PVC pieces are shaped to by rolling mill roller.Roll roll temperature control at 195~210 DEG C
Between.The ratio between clout diameter, adjacent roller speed and roller speed technique between the gap of other parameters such as rolling mill roller, roller
Condition needs to control according to technique.
C) equipment is used:Five roll calendars.
In some embodiments, it deflects from following one or more features:
A) step strips down molding sheet products from stretcher roll;
B) material after calendering is stripped down from the slice roller of calender by deflecting from device;
C) equipment is used:Roll subsidiary engine, including first to the 6th deflects from roller group.
In some embodiments, cooling cutting edge step has following one or more features:
A) step strips down molding sheet products from stretcher roll;
B) it is still that the stiff sheet of high temperature fused state is cooled to room temperature that cooling, which is to deflect from get off from calender, fixed
Type is finished product.
In some respects, a kind of polyvinyl chloride calendered film is provided, is prepared by the method for any one of the disclosure.
Disclosure polyvinyl chloride calendered film is a kind of new product, is had in following one or more aspects poly- better than existing
The performance of vinyl chloride calendered film:
(1) transparency is high, such as transparency TV values are 80 or more (such as 80~85);
(2) glossiness is low, such as glossiness (60 °) is, for example, 40 or less (such as 30-40), for example, 55 or less (such as
40~55).
Transparency test can refer to ASTM-D1746-15.Glossiness test can refer to ASTM D523-2014.
In some embodiments, disclosure polyvinyl chloride calendering film surface is smooth, is not embossed (such as frosted lines).
The another aspect of the disclosure provides a kind of Stamp album, including page in Stamp album, and postal is provided on page in the Stamp album
Ticket protective film, the stamp protective film are made of the polyvinyl chloride calendered film of the disclosure.
In the present invention, unless otherwise stated, Science and Technology noun used herein has art technology
The normally understood meaning of personnel institute.Also, involved laboratory operation step is to be widely used in corresponding field herein
Conventional steps.Meanwhile for a better understanding of the present invention, the definition and explanation of relational language is provided below.
In some embodiments, lubricant refers to, to reduce between polymer molecule when processing of high molecular material
Interior friction reduces the heat of generation and its degradation to polymer, polymer is reduced or avoided to process equipment and mold
Generation sticks and rubs, and to play the role of improving, production efficiency, realization is energy-saving and/or improves products appearance quality
Substance.
In some embodiments, lubricant includes:Aliphatic acid and its metal soap, esters, alcohols, amides or paraffin
And hydro carbons etc..Aliphatic acid and its metal soap principal item have stearic acid and stearic acid soaps, the stearic acid in stearic acid soaps
Zinc, calcium, lead, barium all have both heat stabilization.Esters principal item has n-butyl stearate, glyceryl monostearate, three tristearin
Acid glyceride.Alcohols is effective in-lubricant, mainly there is higher aliphatic, polyalcohol, polyethylene glycol or polypropylene glycol.Amide
It is that oleamide, stearic amide, the double oleamides of ethylene and ethylene are double hard that class, which has preferable outer lubricating action, principal item,
Resin acid amide.
In some embodiments, processing aid is any processing aid described in following documents:Gong is clear clear, Zheng
Moral, Li Jie's igelites auxiliary agent and formula She Jijishu [M]Sinopec publishing house, 2012.
In some embodiments, stabilizer, modifier for processing (such as lubricant, processing aid), impact modifying agent (enhancing
Agent):It is any described in following documents:The abundant compounding polyvinyl chloride plastics design guidelines of Lin Shi;M]Chemical industry is published
Society, 2002.
In some embodiments, the chlorinity of chlorinated polyvinyl chloride resin be 65~80%, such as 66%, 68%,
70%, 72%, 74%, 76%, 78% or 80%.
In some embodiments, chliorinated polyvinyl chloride is the H516A type chliorinated polyvinyl chlorides of Japanese Zhong Yuan companies production.
In the disclosure, polyvinyl chloride and PVC meanings having the same, chliorinated polyvinyl chloride have identical meaning with CPVC.
Advantageous effect:
The disclosure uses specific polyvinyl chloride formulation, coordinates specific calendering technology, it is new to obtain a kind of polyvinyl chloride calendered film
Product.
The application preparation method and preparation gained polyvinyl chloride calendered film have following one or more advantageous effects:
A. transparency is good:
B. glossiness is relatively low (glossiness is relatively low):
C. stamp color fidelity is high:
D. moisture-proof:
E. surface (interior) is smooth:
F. resistance to combustion:
G. scratch resistance:
H. nontoxic, environmentally friendly, it is not precipitated.
Embodiment of the present invention is described in detail below in conjunction with drawings and examples, still, art technology
Personnel will be understood that following drawings and embodiment are merely to illustrate the present invention, rather than to the restriction of the scope of the present invention.According to attached
The following detailed description of figure and preferred embodiment, various purposes of the invention and advantageous aspect carry out those skilled in the art
It says and will be apparent.
Description of the drawings
Fig. 1 is the flow chart of an embodiment for preparing polyvinyl chloride calendered film.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
It can be with conventional products that are commercially available.
As shown in Figure 1, the flow of an embodiment for preparing polyvinyl chloride calendered film includes:
By resin and auxiliary agent configuration mixing, after plasticizing, it is fed into rolling equipment, after rolling equipment rolls, with traction
Then film stripping is cooled down, is batched by (deflecting from) equipment.
1 the processing step for preparing polyvinyl chloride calendered film is described in further detail by the following examples.
Embodiment 1
1, it is formulated
Resin and additive are weighed according to table 1.
Table 1
* MBS resins are the terpolymer of methyl methacrylate (M), butadiene (B) and styrene (S).
Table 2
2, mixing machine mixes
Raw material is mixed through hot type mixing machine and cold type mixing machine successively.
Hot type mixing machine rotating speed 2600rmp/min;
Hot type mixing machine charge order:PVC powder → liquid raw material → other powder raw materials
Hot type mixing machine liquid feedstock condition:In hot type mixing machine when powder temperature 50 C
Other powder raw material feed conditions:In hot type mixing machine when powder temperature 70 C
Hot type mixing machine mixture is transferred to cold type mixing machine condition:In hot type mixing machine when 100 DEG C of powder temperature;
Cold type mixing machine rotating speed 500rpm/min
Cold type mixing machine mixing termination condition:In cold type mixing machine when powder temperature 50 C.
3. extruder is plasticized and rolls turbine mixing
Product after extruder is plasticized is kneaded with turbine is rolled.
Extruder temperature sets 100~180 DEG C;
It rolls turbine temperature and sets 120 DEG C~150 DEG C.
4, calendering formation
A) material that the step makes plasticizing get well is shaped to sheet products through calender.
B) by the material of plasticizing, PVC pieces are shaped to by rolling mill roller.Roll roll temperature control at 195~210 DEG C
Between.The ratio between clout diameter, adjacent roller speed and roller speed technique between the gap of other parameters such as rolling mill roller, roller
Condition needs to control according to technique.
C) equipment is used:Five roll calendars;
5, it deflects from
A) step strips down molding sheet products from stretcher roll;
B) material after calendering is stripped down from the slice roller of calender by deflecting from device;
C) equipment is used:Roll subsidiary engine, including first to the 6th deflects from roller group;
6, cooling, cutting edge
A) step strips down molding sheet products from stretcher roll;
B) it is still that the stiff sheet of high temperature fused state is cooled to room temperature that cooling, which is to deflect from get off from calender, fixed
Type is finished product.
7, coiling machine is wound
8, it packs
Table 3
Deflect from the 1st group of roller group by 1, the 2nd group by 2, the 3rd group by 4, the 4th group by 3, the 5th group by 3, the 6th group
It is made of 4 mutually synthermal rollers that deflect from.Cooling every group of roller group is made of 8 mutually synthermal cooling roller groups.
Examples 1 and 2 obtain the polyvinyl chloride calendered film that thickness is 0.08mm.
Analysis detection:
The polyvinyl chloride calendered film prepared to Examples 1 and 2 carries out analysis detection, as a result as follows:
A. transparency is good:
Transparency is detected with spectroscope (Konica CM-3700A), TV values (Transparency Value transparencies) are 80
More than, when appreciating stamp across protective film/bag, the pattern of stamp script is presented clearly.
B. glossiness is relatively low:
With vancometer (the bright REFO60 of brocade) detection glossiness, according to the mark of standard ASTM D523-2014 mirror surface lusters
Quasi- test method measures GV (the Gloss Value glossiness) value on two surfaces of PVC calendered films at 60 °.By PVC film and the 4th
The surface of stack contact is named as the surfaces CR4, and gloss value is 40 hereinafter, the table that PVC film is contacted with the 5th stack
Face is named as the surfaces CR5, and glossiness is 55 or less.
The transparency and gloss value of PVC film are as shown in table 4 below.
Table 4
| Transparency TV | Glossiness GV | |
| Embodiment 1 | 82.1 | CR4/CR5:34~36/51~53 |
| Embodiment 2 | 83.1 | CR4/CR5:34~36/52~54 |
When PVC calendered films are used as stamp protective film/bag, when appreciating stamp across protective film/bag, minute surface can be effectively prevent
The reflective perception for influencing to appreciate stamp.
C. stamp color fidelity is high:
Protective film itself is colourless, and when appreciating stamp across protective film/bag, the color fidelity of stamp script is high.
D. moisture-proof:
High-barrier, it is nonhygroscopic, moisture/vapour can be effectively prevent to penetrate, cause moist stamp, deformation, go bad.
E. surface (interior) is smooth:
Surface (interior) is smooth, is contacted with stamp closely, and high degree reduces contact of the stamp with air, greatly slows down postal
The process that ticket is aoxidized by ingress of air.
F. resistance to combustion:
Flame resistance is good, can reach the resistance to combustion grade of V0 grades of UL94.
G. scratch resistance:
Normal to appreciate, rub, surface will not scratch substantially, and then influence the perception appreciated across protective film.
H. nontoxic, environmentally friendly, it is not precipitated
It is formulated using asepsis environment-protecting, normal use, chemical substance stamp and environment is hardly precipitated.Meet
The food packaging polyvinyl chloride molded product sanitary standards of GB9681-1988+.
Although the specific implementation mode of the present invention has obtained detailed description, it will be appreciated by those skilled in the art that:Root
According to all introductions having disclosed, details can be carry out various modifications and be changed, and these change the guarantor in the present invention
Within the scope of shield.The full scope of the present invention is given by the appended claims and any equivalents thereof.
Claims (13)
1. a kind of preparation method of polyvinyl chloride calendered film, including:
1) by raw material melting mixing:
By weight, the raw material contains:
100 parts of universal Corvic;
1~30 part of chlorinated polyvinyl chloride resin;
2) preplasticizing is carried out to the product of step 1), obtains preplasticizing product;
3) preplasticizing product calender is transported to roll;
The calender includes calender system and deflects from mechanism and cooling body, and the calender system includes multiple stacks, institute
It states to deflect from mechanism and deflect from roller group and second including first and deflects from roller group;
The step of calendering includes:
I) preplasticizing product being transported to calender system, preplasticizing product is made to pass through stack, the temperature of stack is 180~
210 DEG C, obtain calendered product;
Ii) use deflects from mechanism and removes calendered product from stack, and calendered product is made to deflect from roller group by first successively
Roller group is deflected from second, the first temperature for deflecting from roller group is 20~50 DEG C, and the second temperature for deflecting from roller group is 80~120 DEG C.
2. preparation method according to claim 1, the calender system includes 2,3,4 or 5 stacks.
3. preparation method according to claim 1, the calender system includes the first stack, the second stack, third
Stack, the 4th stack and the 5th stack:
First calendering roll temperature is 190~210 DEG C;
Second calendering roll temperature is 190~210 DEG C;
It is 190~210 DEG C that third, which rolls roll temperature,;
4th calendering roll temperature is 200~210 DEG C;
5th calendering roll temperature is 190~200 DEG C.
4. the rotation linear velocity of preparation method according to claim 1, the stack is 15~30m/min.
5. preparation method according to claim 1, the roller group that deflects from includes that one or more deflects from roller, respectively deflects from roller
Rotating speed is 70~90m/min.
6. preparation method according to claim 1, the mechanism that deflects from further includes that third deflects from roller group, and third deflects from roller group
Temperature be 90~110 DEG C, the step ii) in, calendered product is removed from stack using mechanism is deflected from, and make calendering
Product deflects from roller group by first successively, second deflects from roller group and third deflects from roller group.
7. preparation method according to claim 6, the mechanism that deflects from further includes the 4th deflecting from roller group, and the 4th deflects from roller group
Temperature be 70~90 DEG C, the step ii) in, calendered product is removed from stack using mechanism is deflected from, and make calendering
Product successively by first deflect from roller group, second deflect from roller group, third deflects from roller group and the 4th deflects from roller group;
Optionally, the mechanism that deflects from further includes the 5th deflecting from roller group, and the 5th temperature for deflecting from roller group is 70~90 DEG C, the step
Rapid ii) in, calendered product is removed from stack using mechanism is deflected from, and calendered product is made to draw successively by first to the 5th
From roller group;
Optionally, the mechanism that deflects from further includes the 6th deflecting from roller group, and the 4th temperature for deflecting from roller group is 70~90 DEG C, the step
Rapid ii) in, calendered product is removed from stack using mechanism is deflected from, and calendered product is made to draw successively by first to the 6th
From roller group.
8. preparation method according to claim 1, the raw material also contains following one or more:
1~5 part of stabilizer;
0.5~5 part of lubricant;
1~5 part of processing aid;
3~15 parts of reinforcing agent.
9. preparation method according to claim 1, the raw material has following one or more features:
Stabilizer includes thiol methyl tin;
Processing aid includes polyamide;
Reinforcing agent includes MBS resins.
10. preparation method according to claim 1, with following one or more features:
The degree of polymerization of the universal Corvic is 600~1200;
The degree of polymerization of the chlorinated polyvinyl chloride resin is 600~1000;
The bulk density of the universal Corvic is 0.5~0.6g/cc;
The bulk density of the chlorinated polyvinyl chloride resin is 0.5~0.6g/cc;
The chlorinity of the chlorinated polyvinyl chloride resin is 65~80%.
11. the thickness of preparation method according to claim 1, the polyvinyl chloride calendered film is 0.01~10mm, such as
0.02~0.1mm, such as 0.05~1mm.
12. a kind of polyvinyl chloride calendered film is prepared by the method for any one of claim 1~11.
13. a kind of Stamp album, including page in Stamp album, stamp protective film is provided in the Stamp album on page, the stamp is protected
Cuticula is made of the polyvinyl chloride calendered film of claim 12.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111923459A (en) * | 2020-07-01 | 2020-11-13 | 湖北环福塑料制品有限公司 | Process for calendering sheet into film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450609A (en) * | 2013-08-13 | 2013-12-18 | 江苏华信塑业发展有限公司 | CPVC/PVC (Chlorinated Polyvinyl Chloride/Polyvinyl Chloride) sheet for card making and preparation method thereof |
| CN105924828A (en) * | 2016-05-14 | 2016-09-07 | 江阴宏凯塑胶有限公司 | Uvioresistant, wear-resistant and scratch-resistant credit card surface layer and preparation method thereof |
| CN108192243A (en) * | 2018-01-26 | 2018-06-22 | 福建宏翔塑胶有限公司 | A kind of PVC shield card basement membranes and its preparation process |
-
2018
- 2018-06-26 CN CN201810667786.0A patent/CN108690298B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450609A (en) * | 2013-08-13 | 2013-12-18 | 江苏华信塑业发展有限公司 | CPVC/PVC (Chlorinated Polyvinyl Chloride/Polyvinyl Chloride) sheet for card making and preparation method thereof |
| CN105924828A (en) * | 2016-05-14 | 2016-09-07 | 江阴宏凯塑胶有限公司 | Uvioresistant, wear-resistant and scratch-resistant credit card surface layer and preparation method thereof |
| CN108192243A (en) * | 2018-01-26 | 2018-06-22 | 福建宏翔塑胶有限公司 | A kind of PVC shield card basement membranes and its preparation process |
Non-Patent Citations (2)
| Title |
|---|
| 中国石化总公司生产部: "《合成树脂服务指南》", 30 June 1997, 中国石化出版社 * |
| 潘祖仁 等: "《塑料工业手册 聚氯乙烯》", 31 August 1999, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923459A (en) * | 2020-07-01 | 2020-11-13 | 湖北环福塑料制品有限公司 | Process for calendering sheet into film |
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Address after: 17 Zhushikou East Street, Dongcheng District, Beijing 100766 Patentee after: China Philatelic Co.,Ltd. Patentee after: NAN YA PLASTICS (GUANGZHOU) Co.,Ltd. Address before: 17 Zhushikou East Street, Dongcheng District, Beijing 100766 Patentee before: China Philately Head Office Patentee before: NAN YA PLASTICS (GUANGZHOU) Co.,Ltd. |