CN104945808A - Cover oil resin combination used for hydrographics transfer printing - Google Patents
Cover oil resin combination used for hydrographics transfer printing Download PDFInfo
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- CN104945808A CN104945808A CN201510419294.6A CN201510419294A CN104945808A CN 104945808 A CN104945808 A CN 104945808A CN 201510419294 A CN201510419294 A CN 201510419294A CN 104945808 A CN104945808 A CN 104945808A
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- methyl
- acrylic copolymer
- transfer printing
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Abstract
The invention discloses a cover oil resin combination used for hydrographics transfer printing. The cover oil resin combination comprises 100 parts of thermoplastic (methyl) acrylic copolymer, 10-40 parts of a plasticizer and 110-260 parts of a solvent; the glass-transition temperature of the thermoplastic (methyl) acrylic copolymer ranges from 30 DEG C to 100 DEG C, a substituent group of the thermoplastic (methyl) acrylic copolymer is one of H, C1-C12 aliphatic groups and alicyclic groups, the plasticizer is phthalic acid or phthalic acid ester, the boiling point of the solvent ranges from 130 DEG C to 250 DEG C, and a naphtha solvent or a 2-ethoxyethanol solvent can be selected. When the resin combination is used for protecting pattern shapes during transfer printing in a sliding mode, in ceramic industries such as enamel and glass, under the strict firing conditions such as ultra quick firing or overprinting or thick-printing, gas holes and residues by firing cannot occur, and the fired surface is bright and clean and even.
Description
Technical field
The present invention relates to a kind of resin combination, particularly relate to a kind of front cover oleo-resinous composition for water transfer printing.
Background technology
All the time when the surface of the coloring agent for ceramic products such as ceramic ware, glass, enamel (enamel) draws a design, usually adopt the drawing practice of slip transfer-type.The method is on the lining paper evenly scribbling water-soluble thickener, uses ceramic industry printing-ink, carries out the printing of pattern by methods such as silk screen printings, is formed afterwards and protect shape film film (also can support transfer ink) on pattern.Whole lining paper after printing is immersed in the water, along with water-soluble thickener dissolves, pattern can be peeled off together with protecting shape film layer, being then attached to the specified location of transferred object, then carrying out drying and burn till.But when the process described above is used, the coloring agent for ceramic products such as enamel, glass too drastic burn till fast, under the strict firing condition such as double exposure or thick print, aperture often appears in current existing protection pattern form resin combination, burn till residue etc. burns till problem.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art; the invention provides a kind of front cover oleo-resinous composition for water transfer printing, this resin combination in slip transfer printing for the protection of greatly reducing in sintering process the phenomenon occurring aperture, burn till residue during pattern form.
The present invention in order to the technical scheme solving its technical problem and adopt is:
A kind of front cover oleo-resinous composition for water transfer printing, each component is with parts by weight, comprise thermoplastically (methyl) acrylic copolymer 100 parts, 10 ~ 40 parts, softening agent and solvent 110 ~ 260 parts, wherein said thermoplastically (methyl) acrylic copolymer is made up of the component unit shown at least one formula I, the second-order transition temperature of this thermoplastically (methyl) acrylic copolymer is 30 ~ 100 DEG C and weight-average molecular weight is 50000 ~ 200000
Wherein R
afor hydrogen or methyl, R
bfor hydrogen, C
1~ C
12one in aliphatic group and alicyclic group;
Described plasticizer phthalic acid diethyl monooctyl ester or phthalic ester.
Its further technical scheme is:
The monomer forming described thermoplastically (methyl) acrylic copolymer is at least one in (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, cyclohexyl methacrylate, lauryl methacrylate(LMA), 2-ethylhexyl (methyl) acrylate and (methyl) isobornyl acrylate.
The glass transition temperature Tg of described thermoplastically (methyl) acrylic copolymer is, 1/Tg=W
a/ Tg
a+ W
b/ Tg
b+ W
c/ Tg
c+ ..., wherein Tg
a, Tg
b, Tg
c... be respectively monomer a, b, c ... independent polymeric second-order transition temperature, W
a, W
b, W
c... be respectively monomer a, b, c ... account for the weight percentage of thermoplastically (methyl) acrylic copolymer.
The boiling point of described solvent is 130 ~ 250 DEG C.
Described solvent is naphthas solvent or cellosolvo kind solvent.
With thermoplastically (methyl) acrylic copolymer be 100 weight parts for reference, described transfer decorative strippable film resin combination also comprises 0 ~ 10 part of thixotropic agent.
Described thixotropic agent is at least one in fatty acid acyl amine thixotropic agent, hydrogenated castor oil amides thixotropic agent and hydrogenated castor oils thixotropic agent.
Advantageous Effects of the present invention is: when resin combination of the present invention protects pattern form in for transfer printing of sliding; in too drastic the burning till fast, under the strict firing condition such as double exposure or thick print of the coloring agent for ceramic products such as enamel, glass; there will not be gas apertures and burn till residue etc., it is evenly bright and clean to burn till rear surface.
Accompanying drawing explanation
Fig. 1 is the specific embodiment of the invention 1 and the design sketch of comparative example 1-2 after coloring agent for ceramic products surface is burnt till.
Embodiment
Below in conjunction with specific embodiment, comparative example and accompanying drawing 1, the present invention is described in detail.
For a front cover oleo-resinous composition for water transfer printing, each component, with parts by weight, comprises thermoplastically (methyl) acrylic copolymer 100 parts, 10 ~ 40 parts, softening agent and solvent 110 ~ 260 parts.
The chemical structural formula of described thermoplastically (methyl) acrylic copolymer as shown in (I),
Wherein R
afor hydrogen or methyl, R
bfor hydrogen, C
1~ C
12one in aliphatic group and alicyclic group; The monomer forming described thermoplastically (methyl) acrylic copolymer is at least one in (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, cyclohexyl methacrylate, lauryl methacrylate(LMA), 2-ethylhexyl (methyl) acrylate and (methyl) isobornyl acrylate; And the second-order transition temperature of this thermoplastically (methyl) acrylic copolymer is 30 ~ 100 DEG C and weight-average molecular weight is 50000 ~ 200000, the glass transition temperature Tg of described thermoplastically (methyl) acrylic copolymer is, 1/Tg=W
a/ Tg
a+ W
b/ Tg
b+ W
c/ Tg
c+ ..., wherein Tg
a, Tg
b, Tg
c... be respectively monomer a, b, c ... independent polymeric second-order transition temperature, W
a, W
b, W
c... be respectively monomer a, b, c ... account for the weight percentage of thermoplastically (methyl) acrylic copolymer.When the Tg of this thermoplastically (methyl) acrylic copolymer is less than 30 DEG C, resin molding is undue soft, cause film to adhere; When Tg is more than 100 DEG C, film again really up to the mark, be unfavorable for pad pasting; Weight average molecular weight lower than 50000 time attach bad, higher than 200000 time cause the printing performances such as wire drawing bad.
Described plasticizer phthalic acid diethyl monooctyl ester or phthalic ester.Dissolve each other along with phthalic acid diethyl monooctyl ester or phthalic ester and thermoplastically (methyl) acrylic copolymer, stably rest in resin combination after printing, thus play plasticization effect.Near 200 DEG C, start Rapid Thermal decrement when phthalic acid diethyl monooctyl ester or phthalic ester burn till, first decompose before thermoplastically methacrylic acid copolymer body, because volatilization forms ultra micro pore.Reduced the gas overflowing pressure of resin decomposition generation by these small pores, if can suppress disposable a large amount of resin decomposition gas overflowing, pinprick phenomenon can significantly reduce.
The boiling point of described solvent is 130 ~ 250 DEG C, if boiling point is lower than this scope, rate of drying is too fast and cause printability obstacle, if boiling point is higher than this scope, rate of drying is crossed and printability also can be caused bad slowly, can select as naphthas solvent or cellosolvo kind solvent.And the solid content of the front cover oil utilizing this kind solvent to be formed is 30 ~ 50wt.%.
Be that 100 weight parts are for reference with thermoplastically (methyl) acrylic copolymer, described transfer decorative strippable film resin combination also comprises 0 ~ 10 part of thixotropic agent, this thixotropic agent functionality, add this thixotropic agent to can be used for controlling the final flowing property of resin combination, be conducive to adjusting printability.Thixotropic agent is at least one in fatty acid acyl amine thixotropic agent, hydrogenated castor oil amides thixotropic agent and hydrogenated castor oils thixotropic agent.
Referring to the preparation specific embodiment of the invention of formula described in table 1 and table 2 and comparative example, in the present invention, NM composition and working method are those skilled in the art and commonly use composition and working method, therefore repeat no more.Wherein the second-order transition temperature of n-BMA homopolymer is 20 DEG C, and the second-order transition temperature of lauryl methacrylate(LMA) homopolymer is-62 DEG C, and the second-order transition temperature of isobornyl methacrylate homopolymer is 110 DEG C.
Thermoplastically (methyl) acrylic copolymer is called A composition:
A-1:Tg is 40 DEG C, weight average molecular weight 130000
A-2:Tg is 60 DEG C, weight average molecular weight 120000
A-3:Tg is 75 DEG C, weight average molecular weight 140000
A-4:Tg is 20 DEG C, weight average molecular weight 160000.
Softening agent is B component:
B-1 phthalic acid diethyl monooctyl ester
B-2 phthalic ester.
Solvent is component C:
C-1 naphthas solvent S-100
Defoamer is D component:
D-1 silica gel defoamer
Thixotropic agent is component E:
E-1 hydrogenated castor oils thixotropic agent.
In specific embodiment and comparative example, the second-order transition temperature of thermoplastically (methyl) acrylic copolymer can calculate each amounts of components according to above-mentioned Tg calculation formula, and specific embodiment and comparative example's formula table are as shown in Table 1 and Table 2.
Carry out printability, adhesive, attaching suitability to specific embodiment and comparative example and burn till the detection of suitability, detection method is as described below, and detected result is see table 1 and table 2.
printability
Use cylinder printing press, by water transfer printing resin combination with 60 order nylon mesh with the print speed of per minute 40, water-soluble paste is coated in comprehensively uniformly after base stock prints 100, without loose ink, wire drawing phenomenon be recorded as zero, have being recorded as of loose ink, wire drawing phenomenon ×.
adhesive
Use cylinder printing press, by water transfer printing resin combination 60 order nylon mesh, water-soluble paste is coated in base stock printing comprehensively uniformly, after the temperature of loft drier is set in the film overlap of 40 DEG C of dryings after 1 hour, be recorded as zero without adhesion phenomenon, have being recorded as of adhesion phenomenon ×.
attach suitability
Use cylinder printing press, by thermal response sclerotic type ink 250 order silk screens printed patterns on base stock, and after ambient temperatare puts 12 hours, the silk screen printing of water transfer printing tearable film resin 60 order is used again above, and at room temperature place 24 hours, then print is immersed in water, carries out not having when transfer printing attaches damaged being recorded as zero, have damaged to be recorded as ×.
burn till suitability
Use cylinder printing press, after printed patterns, ambient temperatare put 12 hours on base stock with 250 order silk screens by paste ink, and then after putting 24 hours above with the silk screen printing of water transfer printing front cover oleo-resinous 60 order, ambient temperatare, after transfer printing on glass after print is immersed in water or warm water, ambient temperatare put 6 hours, burn till at 560 DEG C, without pinprick, without to burn till residue be zero, have pinprick occur as ×.
Table 1 (unit: weight part)
Table 2 (unit: weight part)
From above table 1 and table 2; when protecting pattern form in adopting resin combination of the present invention for transfer printing of sliding; in too drastic the burning till fast, under the strict firing condition such as double exposure or thick print of the coloring agent for ceramic products such as enamel, glass; there will not be gas apertures and burn till residue etc., it is evenly bright and clean to burn till rear surface.
The foregoing is only preferred embodiments of the present invention.It should be pointed out that without departing from the principles of the present invention, also can make some improvement and modification, all be considered as protection scope of the present invention.
Claims (7)
1. for a front cover oleo-resinous composition for water transfer printing, it is characterized in that: each component, with parts by weight, comprises thermoplastically (methyl) acrylic copolymer 100 parts, 10 ~ 40 parts, softening agent and solvent 110 ~ 260 parts,
Wherein said thermoplastically (methyl) acrylic copolymer is made up of the component unit shown at least one formula I, and the second-order transition temperature of this thermoplastically (methyl) acrylic copolymer is 30 ~ 100 DEG C and weight-average molecular weight is 50000 ~ 200000,
Wherein R
afor hydrogen or methyl, R
bfor hydrogen, C
1~ C
12one in aliphatic group and alicyclic group;
Described plasticizer phthalic acid diethyl monooctyl ester or phthalic ester.
2. the front cover oleo-resinous composition for water transfer printing according to claim 1, is characterized in that: the monomer forming described thermoplastically (methyl) acrylic copolymer is at least one in (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) sec-butyl acrylate, (methyl) tert-butyl acrylate, cyclohexyl methacrylate, lauryl methacrylate(LMA), 2-ethylhexyl (methyl) acrylate and (methyl) isobornyl acrylate.
3. the front cover oleo-resinous composition for water transfer printing according to claim 1, is characterized in that: the glass transition temperature Tg of described thermoplastically (methyl) acrylic copolymer is, 1/Tg=W
a/ Tg
a+ W
b/ Tg
b+ W
c/ Tg
c+ ..., wherein Tg
a, Tg
b, Tg
c... be respectively monomer a, b, c ... independent polymeric second-order transition temperature, W
a, W
b, W
c... be respectively monomer a, b, c ... account for the weight percentage of thermoplastically (methyl) acrylic copolymer.
4. the front cover oleo-resinous composition for water transfer printing according to claim 1, is characterized in that: the boiling point of described solvent is 130 ~ 250 DEG C.
5. the front cover oleo-resinous composition for water transfer printing according to claim 4, is characterized in that: described solvent is naphthas solvent or cellosolvo kind solvent.
6. the front cover oleo-resinous composition for water transfer printing according to claim 1, it is characterized in that: with thermoplastically (methyl) acrylic copolymer be 100 weight parts for reference, described transfer decorative strippable film resin combination also comprises 0 ~ 10 part of thixotropic agent.
7. the front cover oleo-resinous composition for water transfer printing according to claim 6, is characterized in that: described thixotropic agent is at least one in fatty acid acyl amine thixotropic agent, hydrogenated castor oil amides thixotropic agent and hydrogenated castor oils thixotropic agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419294.6A CN104945808A (en) | 2015-07-16 | 2015-07-16 | Cover oil resin combination used for hydrographics transfer printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419294.6A CN104945808A (en) | 2015-07-16 | 2015-07-16 | Cover oil resin combination used for hydrographics transfer printing |
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|---|---|
| CN104945808A true CN104945808A (en) | 2015-09-30 |
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|---|---|---|---|
| CN201510419294.6A Pending CN104945808A (en) | 2015-07-16 | 2015-07-16 | Cover oil resin combination used for hydrographics transfer printing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497256A (en) * | 2019-09-03 | 2019-11-26 | 张航航 | The production method of thread weaving enamel craftwork and its thread weaving enamel craftwork obtained |
| CN111518435A (en) * | 2020-06-19 | 2020-08-11 | 佛山荷韵特种材料有限公司 | All-season universal water transfer seal oil and preparation method thereof |
| CN111923647A (en) * | 2020-03-23 | 2020-11-13 | 田菱智能科技(昆山)有限公司 | Ultraviolet-curing high-temperature water transfer-printing decorative film and manufacturing method thereof |
| CN114277611A (en) * | 2021-12-31 | 2022-04-05 | 佛山荷韵特种材料有限公司 | Special explosion-proof flower cover oil for ceramic stained paper, production process of special explosion-proof flower cover oil and ceramic stained paper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497256A (en) * | 2019-09-03 | 2019-11-26 | 张航航 | The production method of thread weaving enamel craftwork and its thread weaving enamel craftwork obtained |
| CN111923647A (en) * | 2020-03-23 | 2020-11-13 | 田菱智能科技(昆山)有限公司 | Ultraviolet-curing high-temperature water transfer-printing decorative film and manufacturing method thereof |
| CN111518435A (en) * | 2020-06-19 | 2020-08-11 | 佛山荷韵特种材料有限公司 | All-season universal water transfer seal oil and preparation method thereof |
| CN114277611A (en) * | 2021-12-31 | 2022-04-05 | 佛山荷韵特种材料有限公司 | Special explosion-proof flower cover oil for ceramic stained paper, production process of special explosion-proof flower cover oil and ceramic stained paper |
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Application publication date: 20150930 |
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