CN108929454A - A kind of preparation method of the PVA-PET composite membrane for water rotation printing - Google Patents
A kind of preparation method of the PVA-PET composite membrane for water rotation printing Download PDFInfo
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- CN108929454A CN108929454A CN201810809842.XA CN201810809842A CN108929454A CN 108929454 A CN108929454 A CN 108929454A CN 201810809842 A CN201810809842 A CN 201810809842A CN 108929454 A CN108929454 A CN 108929454A
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- Prior art keywords
- pva
- pet
- film
- water
- composite membrane
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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
- 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
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08J2429/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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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)
- Printing Methods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of PVA-PET composite membrane for water rotation printing, it is prepared by the following steps: (1) preparing PVA slurry: with the PVA of 10%-20%, the water of the auxiliary agent of 0-10% and 70-80% heating stirring in a kettle；(2) the PVA slurry is coated in PET film, dries, obtains PVA-PET composite membrane.PVA slurry is directly coated directly onto PVA-PET laminated film made of drying in PET film, PET film has the characteristics that moisture-proof heatproof as printing element, and film flatness is good, and print nest level is true；This laminated film is able to maintain the good print performance of PET film, so that PVA is become easy storage and printing, and there is suitable peeling force, PET can be removed after printing or before water transfer, it leaves behind PVA film to transfer for water, improves the quality and efficiency of water transfer.
Description
Technical field
It is the invention belongs to water rotation printing substrate preparation technical field, in particular to a kind of for water rotation printing
The preparation method of PVA-PET composite membrane.
Background technique
Water transfer technique is a kind of print that the transfer paper with multicolour pattern/plastic foil is carried out to macromolecule hydrolysis using hydraulic pressure
Brush.The purposes of the raising of requirement with people to product packaging and decoration, water transfer is more and more extensive.The original of its indirect printing
Reason and perfect printing effect solve the problems, such as many product surface decorations.The water transfer pattern of standard is to be printed at present
On PVA (polyvinyl alcohol) film.
There are defects below as water transfer substrate by PVA: (1) PVA material is very easy to the moisture absorption, and transport storage has one
Fixed difficulty；It can soften after the PVA moisture absorption, moisture absorption expansion rate is very high, can seriously affect printing effect；(2) brittleness when PVA is dry
Very greatly, it is easy to fracture when printing, influences print speed printing speed.Currently, the PVA film of water transfer brush is by wet production, no
It is easily able to higher flatness, it is difficult to print out exquisite pattern.
Summary of the invention
To solve the easy moisture absorption of PVA material, transport storage difficulty；It can soften after the PVA moisture absorption, seriously affect printing effect；It is crisp
Property is very big, and when printing is easy to fracture, influences print speed printing speed；The PVA film that water transfers brush is by wet production, it is not easy to
Accomplish higher flatness, it is difficult to which the deficiency for printing out exquisite pattern, the present invention provides one kind to use for water rotation printing
PVA-PET composite membrane preparation method.
In order to solve the above technical problems, the present invention provides the following technical solutions:
A kind of preparation method of the PVA-PET composite membrane for water rotation printing, is prepared by the following steps:
(1) prepare PVA slurry: with the PVA of 10%-20%, the water of the auxiliary agent of 0-10% and 70-80% are in a kettle
Heating stirring；
(2) the PVA slurry is coated in PET film, dries, obtains PVA-PET composite membrane.
Further, the auxiliary agent is starch and/or dimethicone, and starch in water can be evenly dispersed, rises simultaneously
To the effect of adhesive, dimethicone plays the role of defoaming agent, facilitates slurry and quickly defoams, improves efficiency；Auxiliary agent is also
The peeling force of laminated film after forming a film can be reduced.
Further, the PVA is 15%, and the water is 79%, and the starch is 3%, and the dimethicone is
3%.
Further, in the PVA-PET composite membrane PVA with a thickness of 25~40 microns.
Further, the PET film with a thickness of 8~25 microns, flatness is good, and print nest level is true.
Further, PVA slurry is coated directly onto PET film by curtain coating head in described (2).It can the direct company of being formed
Continuous, uniform cast film, not only can avoid the secondary installing of film, and can reduce environment to the maximum extent to the shadow of film
It rings.
The present invention compared with the existing technology, have the following advantages and the utility model has the advantages that
The preparation method of PVA-PET composite membrane disclosed by the invention for water rotation printing is starched with first PVA is cast
Material is coated directly onto PVA-PET laminated film made of drying, this laminated film in PET film and is able to maintain PET film
Good print performance makes PVA become easy storage and printing, and has suitable peeling force, can after printing or water turns
PET is removed before print, PVA film is left behind and is transferred for water.
Specific embodiment
A specific embodiment of the invention is described in detail below with reference to embodiment, following embodiment is for illustrating this hair
It is bright, but be not intended to limit the scope of the invention.
Embodiment 1:
By 15% PVA1788,3% starch, 3% dimethicone and 79% water heating stirring in a kettle
Afterwards, it is applied in PET film and is dried with coating machine after defoaming, PVA-PET laminated film required for can obtaining.
Embodiment 2:
By 10% PVA1788,5% starch, 5% dimethicone and 80% water heating stirring in a kettle
Afterwards, it is applied in PET film and is dried with coating machine after defoaming, PVA-PET laminated film required for can obtaining.
Embodiment 3:
By 20% PVA1788,4% starch, 1% dimethicone and 75% water heating stirring in a kettle
Afterwards, it is applied in PET film and is dried with coating machine after defoaming, PVA-PET laminated film required for can obtaining.
Embodiment 4:
By 20% PVA1788,8% starch, 2% dimethicone and 70% water heating stirring in a kettle
Afterwards, it is applied in PET film and is dried with coating machine after defoaming, PVA-PET laminated film required for can obtaining.
Embodiment 5:
By 20% PVA1788,1% starch, 1% dimethicone and 78% water heating stirring in a kettle
Afterwards, it is applied in PET film and is dried with coating machine after defoaming, PVA-PET laminated film required for can obtaining.
The preparation method of the PVA-PET composite membrane for water rotation printing in above-described embodiment, directly by PVA slurry
It is coated directly onto PVA-PET laminated film made of drying in PET film, PET (polyethylene terephthalate) film is made
For printing element, has the characteristics that moisture-proof heatproof, and film flatness is good, print nest level is true；This laminated film can be protected
The good print performance for holding PET film makes PVA become easy storage and printing, and has suitable peeling force, can print
PET is removed after brush or before water transfer, PVA film is left behind and is transferred for water, improve the quality and efficiency of water transfer.
The above is the preferred embodiment of the present invention, is not restricted to the present invention.It will be understood by those skilled in the art that
The several improvements and modifications made without departing from the principle of the present invention, also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of preparation method of the PVA-PET composite membrane for water rotation printing, which is characterized in that by following steps system
It is standby:
(1) prepare PVA slurry: with the PVA of 10%-20%, the auxiliary agent of 0-10% and the water of 70-80% heat in a kettle
Stirring；
(2) the PVA slurry is coated in PET film, dries, obtains PVA-PET composite membrane.
2. a kind of preparation method of PVA-PET composite membrane for water rotation printing according to claim 1, feature
It is, the auxiliary agent is starch and/or dimethicone.
3. a kind of preparation method of PVA-PET composite membrane for water rotation printing according to claim 2, feature
It is, the PVA is 15%, and the water is 79%, and the starch is 3%, and the dimethicone is 3%.
4. a kind of preparation method of PVA-PET composite membrane for water rotation printing according to claim 1, feature
It is, PVA's with a thickness of 25~40 microns in the PVA-PET composite membrane.
5. a kind of preparation method of PVA-PET composite membrane for water rotation printing according to claim 1, feature
Be, the PET film with a thickness of 8~25 microns.
6. a kind of preparation method of PVA-PET composite membrane for water rotation printing according to claim 1, feature
It is, the PVA slurry is coated directly onto the PET film by curtain coating head in (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809842.XA CN108929454A (en) | 2018-07-23 | 2018-07-23 | A kind of preparation method of the PVA-PET composite membrane for water rotation printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809842.XA CN108929454A (en) | 2018-07-23 | 2018-07-23 | A kind of preparation method of the PVA-PET composite membrane for water rotation printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108929454A true CN108929454A (en) | 2018-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809842.XA Pending CN108929454A (en) | 2018-07-23 | 2018-07-23 | A kind of preparation method of the PVA-PET composite membrane for water rotation printing |
Country Status (1)
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| CN (1) | CN108929454A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703226A (en) * | 2019-01-22 | 2019-05-03 | 东莞市鑫烨转印材料有限公司 | A kind of water transfer construction method |
| CN110157259A (en) * | 2019-05-17 | 2019-08-23 | 华南理工大学 | A kind of aqueous peelable type coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132241A (en) * | 1979-04-02 | 1980-10-14 | Toyo Boseki | Laminate |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| US20150090582A1 (en) * | 2013-10-02 | 2015-04-02 | Tien-Shui CHEN | Laser Water Transfer Printing Film and Making Method Thereof |
| CN106364201A (en) * | 2016-08-25 | 2017-02-01 | 国宏新材料科技(宁波)有限公司 | Manufacture method of water transfer printing film |
-
2018
- 2018-07-23 CN CN201810809842.XA patent/CN108929454A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132241A (en) * | 1979-04-02 | 1980-10-14 | Toyo Boseki | Laminate |
| CN103260899A (en) * | 2011-12-21 | 2013-08-21 | 爱赛璐化学株式会社 | Film for hydraulic transfer |
| US20150090582A1 (en) * | 2013-10-02 | 2015-04-02 | Tien-Shui CHEN | Laser Water Transfer Printing Film and Making Method Thereof |
| CN106364201A (en) * | 2016-08-25 | 2017-02-01 | 国宏新材料科技(宁波)有限公司 | Manufacture method of water transfer printing film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703226A (en) * | 2019-01-22 | 2019-05-03 | 东莞市鑫烨转印材料有限公司 | A kind of water transfer construction method |
| CN110157259A (en) * | 2019-05-17 | 2019-08-23 | 华南理工大学 | A kind of aqueous peelable type coating and preparation method thereof |
| CN110157259B (en) * | 2019-05-17 | 2022-01-18 | 华南理工大学 | Water-based strippable coating and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181204 |