CN105820727A - Scratch-resistant PVC film and preparation method thereof - Google Patents
Scratch-resistant PVC film and preparation method thereof Download PDFInfo
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- CN105820727A CN105820727A CN201610231183.7A CN201610231183A CN105820727A CN 105820727 A CN105820727 A CN 105820727A CN 201610231183 A CN201610231183 A CN 201610231183A CN 105820727 A CN105820727 A CN 105820727A
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- pvc film
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- coating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
Abstract
The invention relates to the field of preparation of functional PVC films, and discloses a scratch-resistant PVC film and a preparation method thereof. In the scratch-resistant PVC film provided by the invention, the surface of a PVC film is printed and coated with a functional coating, wherein the functional coating has the thickness of 4-6 microns, and comprises the following components in part by weight: 55-65 parts of polyurethane, 35-45 parts of polymethyl methacrylate and 5-12 parts of aziridine. The production method of the scratch-resistant PVC film provided by the invention comprises the following steps: (1) blending a coating paint; (2) preheating: preheating a PVC surface film at 50-70 DEG C; (3) printing and coating: transferring the preheated PVC surface film into a printing press for coating the coating; (4) drying and cooling: drying the film prepared in step (3) at 50-55 DEG C, cooling and rolling the film to obtain the scratch-resistant PVC film. The process of the invention is simple and easy to operate, low in cost and excellent in effect.
Description
Technical field
The present invention relates to the preparation field of functional PVC film, particularly relate to a kind of scratch-resistant PVC film and preparation method thereof.
Background technology
Along with the development of thin film technique, market occurs the multiple protecting film for being attached to various material surface, for surface protection,
Material aging be can effectively prevent, materials'use quality and service life extended.Polrvinyl chloride (PVC) is as yield in the world
Big general-purpose plastics, also becomes the pioneer of improvement in functionality research.
Having a lot of functional PVC film at present, most preparation method is to join in polyvinyl chloride resin by functional additive,
Preparing film forming after Gong Huning, in order to improve the impact flexibility of material, people add various rubber elastomer such as second the third rubber in polypropylene
Glue, ethylene-butene copolymer or styrenic elastomer；In order to obtain the polypropylene material of rigidity-toughness balanced, people are again in formula
Add highly crystalline polypropylene, linear polyethylene material, filler and lubricant etc..Then many patents are by number of ways solution
The certainly damage resistant problem of polypropylene material.CN1236375A improves scratch resistant performance by the degree of crystallinity improving polypropylene material.
CN1294614A improves scratch resistant performance by graft copolymer.CN1647247A improves degree of crystallinity and partial cross-linked
Method improves scratch resistant performance.CN1479766A uses the method for silicon grafted polyethylene to improve scratch resistant performance.CN1580115A
Elastomer silicone is used to solve damage resistant problem.CN1631959A uses and improves polypropylene crystallinity raising scratch resistant performance.
CN1631960A uses elastomer silicone and prepares the method raising scratch resistant performance of master batch.CN1827676A uses aluminum silicon
Oxygen alkane improves the scratch resistant performance of modified polypropene.But this type of method complex process, formula fixes, and required auxiliary agent kind is more,
Relatively costly.
And print coating, because its technique is simple to operation, gradually favored by vast researcher.But, it is used mostly at present
Printing coating, it mostly is at PVC film surface-coated adhesive etc., for fitting with other films or material.Chinese patent
CN1636705A " environment protecting energy-accumulating luminous decoration cloth " discloses one and in substrate surface spraying or prints adhesive, and at glue
Paste release paper in glutinous agent or spray at substrate surface, print or instillation luminescent material gluing layer, and on luminescent material gluing layer
The method of instillation polyester resin.Chinese patent CN102615902A " manufacture method that a kind of PVC composite sand is issued " discloses one
Form ink printing process layer by being printed on PVC film surface-coated cloudy surface agent and bright agent, conveniently enter on PVC film surface
Row intaglio printing, but the character of PVC film is not had any lifting and change.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of technique is simple to operation, low cost, effective scratch-resistant PVC film and
Its preparation method.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
The scratch-resistant PVC film of the present invention, including PVC film and functional coat, described PVC film surface printing is coated with functional painting
Layer, functional coat thickness is 4-6 μm, and functional coat composition includes following components (parts by weight): polyurethane 55-65 part,
Polymethyl methacrylate 35-45 part, aziridine 5-12 part.
The scratch-resistant PVC film of the present invention, further, described functional coat composition includes following components (parts by weight): poly-ammonia
Ester 60 parts, polymethyl methacrylate 40 parts, aziridine 7 parts.
The preparation method of the scratch-resistant PVC film of the present invention, comprises the following steps:
(1) allotment coated coating: carry out dispensing, polyurethane 55-65 part, polymethyl methacrylate 35-45 according to following parts by weight
Part, aziridine 5-12 part；
(2) preheating: PVC facial film is preheated at 50-70 DEG C；
(3) printing coating: the PVC facial film of preheating is sent into printer and carries out coating coating；
(4) Drying and cooling: film step (3) prepared is through 50-55 DEG C of drying, rolling after cooling finished product.
The preparation method of the scratch-resistant PVC film of the present invention, further, step (1) floating coat paint prepare in accordance with the following methods and
Become: polyurethane, polymethyl methacrylate, aziridine are separately added in ethyl ester or butyl ester, stirring and dissolving.
The preparation method of the scratch-resistant PVC film of the present invention, further, the coated coating viscosity that step (1) is allocated is 15-18s/4
# examines grace cup.
The preparation method of the scratch-resistant PVC film of the present invention, further, in step (2), PVC film uses pre-hot-rolling to preheat,
The preheating temperature in summer is 50-53 DEG C, and the preheating temperature in winter is 60-70 DEG C.
The preparation method of the scratch-resistant PVC film of the present invention, further, the scraper angle on step (3) printer is set to 45 °.
The preparation method of the scratch-resistant PVC film of the present invention, further, the pressure of printing compacting rubber roll on printer in step (3)
For 3-6N.
Scratch-resistant PVC film of the present invention and preparation method thereof compared with prior art, has the advantages that
The preparation method of the scratch-resistant PVC film of the present invention is through substantial amounts of experiment and screening, with simplest raw material, and most suitable material,
By the way of printing, functional coating is coated on the surface of PVC film, by regulation process conditions, makes the Function of coating
To at utmost.The consumption of the functional coat coating needed for the inventive method is less, coating used by the PVC film of every square metre
Consumption is only 7.7-8.5g, greatly reduces production cost.
Functional coat coating composition composition needed for the scratch-resistant PVC film that the inventive method prepares is simple, and can reach the resistance to of excellence
Scratching effect, damage resistant test △ L is 0.7-1.5.Pencil hardness test reaches more than HB, and PVC film to be made reaches identical
Scratch-resistant effect, the kind of functional aid added in PVC granule resin raw material and quantity the inventive method to be far above,
And technique very complicated is difficult to operation, relatively costly.The inventive method prepare scratch-resistant PVC film with plastic uptake technique for imitation wood,
The surface of imitative bag building materials, can be effectively improved the scratch-resistant performance of material, improves the gloss of material, protects material color, extends material
In the service life of material, expand the use environmental field of building material.
Detailed description of the invention
Preparation embodiment
The preparation method of the scratch-resistant PVC film of the present invention comprises the following steps:
(1) allotment coated coating: carry out dispensing according to parts by weight shown in table 1, each component is separately added in ethyl ester or butyl ester, stirs
Mix dissolving；The coated coating viscosity of allotment is that 15-18s/4# examines grace cup；
(2) preheating: being preheated by the PVC facial film pre-hot-rolling of use, the preheating temperature in summer is 50-53 DEG C, the preheating temperature in winter
For 60-70 DEG C；
(3) printing coating: the PVC facial film of preheating being sent into printer and carries out coating coating, the scraper angle on printer is set to
45 °, the pressure of printing compacting rubber roll is 3-6N；
(4) Drying and cooling: film step (3) prepared is through 50-55 DEG C of drying, rolling after cooling finished product.
Embodiment coated coating component prepared by table 1
| Preparation example 1 | Preparation example 2 | Preparation example 3 | Preparation example 4 | Preparation example 5 | |
| Polyurethane | 60 | 65 | 55 | 52 | 63 |
| Polymethyl methacrylate | 40 | 35 | 45 | 38 | 44 |
| Aziridine | 7 | 12 | 5 | 9 | 10 |
The functional coat thickness of the scratch-resistant PVC film that above-mentioned preparation embodiment prepares is 1-1.7 μm, and it is carried out pencil hardness survey
Examination, test result display pencil hardness is at more than HB, and the pencil hardness of general PVC film is at below 2B, and the present invention is resistance to
The hardness drawing PVC film has obtained pole and has significantly promoted, and preparation technology simple and flexible, it is adaptable to large-scale production, obtains
Film product surface hardness is high, can be used for protecting material itself by plastic uptake technique for imitation wood, the surface of imitative bag building materials, carry
The service life of high material.
Testing example
The electronic cross cut test instrument 430P using Germany's instrument power letter (Erichsen) carries out damage resistant test, it then follows GME 60280
The regulation pin of scraping with needle diameter as 1mm scrapes line segment figure on the PVC film surface of preparation, and test load is 5N, speed
1m/min, each syringe needle is the most only scraped once, with the misalignment △ L of colorimeter survey calculation Yu non-surface scratch,
Lighting source selects D65 light source.The damage resistant test result of each preparation embodiment is as shown in table 2.
The damage resistant test result of embodiment prepared by table 2
| Preparation example 1 | Preparation example 2 | Preparation example 3 | Preparation example 4 | Preparation example 5 | |
| △L | 0.7 | 1.2 | 1.5 | 1.3 | 1.0 |
As shown in table 2, the damage resistant test display △ L of the scratch-resistant PVC film that preparation embodiment prepares is between 0.7-1.5, scratch-resistant
PVC film scratch resistant performance is excellent, can effectively protect the attractive in appearance of material surface and gloss for building material surface.
Comparative example
Select the formula of functional coat coating in above-mentioned preparation embodiment 1, each component is added 100 parts (parts by weight)
In polyvinyl chloride resin pellet, carrying out film preparation according to the production technology of PVC facial film raw material, this is matched group 1, randomly selects simultaneously
The scratch resistance PVC plastic uptake film for closet surface that commercially available Zhengzhou Hao Ting ornament materials company limited produces, as a control group 2, with
The PVC facial film raw material coated without any coating as a control group 3, according to method described in above-mentioned testing example, carries out scratch-resistant
Wound test.The contrast of gained test result is as shown in table 3.
Table 3 comparative example's damage resistant test result contrasts
| Preparation example 1 | Comparison 1 | Comparison 2 | Comparison 3 | |
| △L | 0.7 | 4.1 | 1.5 | 4.8 |
As shown in Table 3, compared with the PVC facial film raw material coated without any coating, the scuffing △ L of the scratch-resistant PVC film of the present invention
Reduce about 7 times, and the functional additive of coating shown in the present invention is joined in polyvinyl chloride resin granule, carry out traditional merit
Can property PVC film prepare, the film product scratch-proofness obtained is more or less the same with PVC facial film raw material, and commercially available having of randomly selecting
The PVC film of scratch resistant performance, it scratches △ L and exceeds about 1 times than damage resistant film of the present invention, it is seen then that with conventional functionality film
Preparation method prepares fusion that film wants to reach excellent, coordination and functional, it is necessary to add more functional additive and regulation
Agent, increases cost, and formula is complicated, and loaded down with trivial details being difficult to of technical process operates.The inventive method is with simplest raw material, most suitable
Material, by functional coat coating with printing method be coated to PVC facial film surface, by regulation process conditions, make coating
Function at utmost, reduce production cost, simplify production technology, improve the scratch resistant performance of PVC film.
Embodiment described above is only to be described the preferred embodiment of the present invention, not carries out the scope of the present invention
Limiting, on the premise of designing spirit without departing from the present invention, technical scheme is made by those of ordinary skill in the art
Various deformation and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (8)
- The most scratch-resistant PVC film, it is characterised in that: including PVC film and functional coat, described PVC film surface printing coats Having functional coat, functional coat thickness is 4-6 μm, and functional coat composition includes following components (parts by weight): poly-ammonia Ester 55-65 part, polymethyl methacrylate 35-45 part, aziridine 5-12 part.
- Scratch-resistant PVC film the most according to claim 1, it is characterised in that: described functional coat composition includes following group Divide (parts by weight): polyurethane 60 parts, polymethyl methacrylate 40 parts, aziridine 7 parts.
- 3. the method for the preparation scratch-resistant PVC film described in claim 1, it is characterised in that: comprise the following steps:(1) allotment coated coating: carry out dispensing, polyurethane 55-65 part, polymethyl methacrylate 35-45 according to following parts by weight Part, aziridine 5-12 part；(2) preheating: PVC facial film is preheated at 50-70 DEG C；(3) printing coating: the PVC facial film of preheating is sent into printer and carries out coating coating；(4) Drying and cooling: film step (3) prepared is through 50-55 DEG C of drying, rolling after cooling finished product.
- The preparation method of scratch-resistant PVC film the most according to claim 3, it is characterised in that: step (1) floating coat paint It is prepared from accordance with the following methods: polyurethane, polymethyl methacrylate, aziridine are separately added in ethyl ester or butyl ester, stir Mix dissolving.
- The preparation method of scratch-resistant PVC film the most according to claim 3, it is characterised in that: the coating that step (1) is allocated Dope viscosity is that 15-18s/4# examines grace cup.
- The preparation method of scratch-resistant PVC film the most according to claim 3, it is characterised in that: PVC film in step (2) Using pre-hot-rolling to preheat, the preheating temperature in summer is 50-53 DEG C, and the preheating temperature in winter is 60-70 DEG C.
- The preparation method of scratch-resistant PVC film the most according to claim 3, it is characterised in that: on step (3) printer Scraper angle is set to 45 °.
- The preparation method of scratch-resistant PVC film the most according to claim 3, it is characterised in that: in step (3) on printer The pressure of printing compacting rubber roll is 3-6N.
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| CN201610231183.7A CN105820727A (en) | 2016-04-14 | 2016-04-14 | Scratch-resistant PVC film and preparation method thereof |
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| CN201610231183.7A CN105820727A (en) | 2016-04-14 | 2016-04-14 | Scratch-resistant PVC film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226918A (en) * | 2017-06-09 | 2017-10-03 | 广州雷诺丽特塑料有限公司 | A kind of PVC paint films and preparation method thereof |
| CN115558143A (en) * | 2022-08-17 | 2023-01-03 | 广西盛科装饰材料有限公司 | Method for manufacturing substrate film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073983A (en) * | 2013-01-22 | 2013-05-01 | 东莞市施乐威尔光电科技有限公司 | Highlight scratch resistance agent and process for preparing highlight scratch resistance transparent PVC thin film by applying same |
| CN104908404A (en) * | 2015-06-01 | 2015-09-16 | 铜陵方正塑业科技有限公司 | Compound pocket surface printing process |
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2016
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| CN103073983A (en) * | 2013-01-22 | 2013-05-01 | 东莞市施乐威尔光电科技有限公司 | Highlight scratch resistance agent and process for preparing highlight scratch resistance transparent PVC thin film by applying same |
| CN104908404A (en) * | 2015-06-01 | 2015-09-16 | 铜陵方正塑业科技有限公司 | Compound pocket surface printing process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226918A (en) * | 2017-06-09 | 2017-10-03 | 广州雷诺丽特塑料有限公司 | A kind of PVC paint films and preparation method thereof |
| CN115558143A (en) * | 2022-08-17 | 2023-01-03 | 广西盛科装饰材料有限公司 | Method for manufacturing substrate film |
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Application publication date: 20160803 |