Embodiment
The invention provides a kind of ink composite, contain following component:
Epoxy vinyl ester resin 30-40wt%;
Thermoset Hydroxylated acrylic resin 20-30wt%;
Silane-modified polyisobutene resin 10-15wt%
Polymeric amide affixture 3-10wt%;
Whiteruss 5-10wt%;
Glycerine 5-10wt%;
Organic solvent 10-20wt%
.
Under the preferable case, in the said ink composite, each components contents is:
Epoxy vinyl ester resin 30-35wt%;
Thermoset Hydroxylated acrylic resin 25-30wt%;
Silane-modified polyisobutene resin 10-12wt%
Polymeric amide affixture 3-6wt%;
Whiteruss 5-8wt%;
Glycerine 5-8wt%;
Organic solvent 10-15wt%
.
Ink composite is used in existing transfer printing, if resin volatilization is too fast, ink viscosity increases, and ink logo is difficult to come off from dicing film, and ink transfer can destroy pattern form to mould the time, reduces transfer printing precision.Contriver of the present invention is through a large amount of experiments; Each component in the ink composite is selected, and the allotment through content, makes still have good transfer printing ability behind the ink composite room temperature surface drying of the present invention; Remove from the dicing film surface easily; Dicing film and the accurate contraposition of mould, make the pattern on the dicing film be transferred to die surface fully then, therefore can guarantee the precision of pattern transfer.In addition, after ink composite of the present invention solidified, the patterned layer of formation and the sticking power of mould were very high.
In the ink composite among the present invention, the main body film-forming resin is epoxy vinyl ester resin and thermoset Hydroxylated acrylic resin, and cross-linked resin is the polymeric amide affixture.Wherein, epoxy vinyl ester resin is by epoxy resin and methacrylic acid-respons and make, and it has combined high hot, the mechanical property of epoxy resin and the fast setting and the performance easy to operate of chemical resistant properties and unsaturated polyester resin.Therefore, epoxy vinyl ester resin has extremely strong acid-resistant corrosion, and has splendid self-vulcanizing performance.Said polymeric amide affixture can promote the self-vulcanizing of ink composite as the amine accelerator.
Among the present invention, the contents of ethylene of said epoxy vinyl ester resin is 30-45wt%.More preferably under the situation, said epoxy vinyl ester resin adopts elastomer-modified epoxy vinyl ester resin.Among the present invention, said epoxy vinyl ester resin can directly adopt and be purchased product, for example can adopt 8084 of 411-400 epoxy vinyl ester resin or DERAKANE company.
The hydroxyl value of said thermoset Hydroxylated acrylic resin is 80-120mgKOH/g.Among the present invention; The various resins that said thermoset Hydroxylated acrylic resin can adopt those skilled in the art to use always, for example can adopt SC341 or the Shanghai Ai Lijin coating ltd of long day space chemical company A900, A909, NUPLEX company 1762,1757.
Said silane-modified polyisobutene resin is used to guarantee the weather resistance and the snappiness of printing ink, thereby guarantees the anti-etching ability of ink design layer.In the said silane-modified polyisobutene resin, siloxanes can be hydrolyzed into the silicon hydroxyl with the hydroxyl reaction of steel surface as end group, thereby makes printing ink and steel surface produce stable excellent cementability; The iso-butylene group is used for stablizing the viscosity of printing ink under all temps, guarantees weather resistance, the snappiness of printing ink.Under the preferable case, in the said silane-modified polyisobutene resin, silicone content is 5-20wt%.Said silane-modified polyisobutene resin also can adopt and be purchased product, the EPION of for example Japanese clock deep pool chemical company
TMSilane-modified polyisobutene resin.
The amine value 180-320mgKOH/g of said polymeric amide affixture.Said polymeric amide affixture also can directly adopt and be purchased product, for example the kingcure450 of Fuqing trump chemical industry ltd.
Among the present invention, said glycerine and whiteruss are used to regulate the second-order transition temperature of printing ink, thereby regulate the snappiness that ink composite solidifies the ink lay of back formation, guarantee the anti-etching ability of ink lay.
As those skilled in the art's common practise, contain organic solvent in the said ink composite.Said organic solvent can directly adopt all kinds of SOLVENTS of the prior art.Under the preferable case, the organic solvent that the present invention adopts comprises first solvent and second solvent; Wherein, first solvent is a high boiling solvent, is selected from least a in your ketone of mixed dibasic acid ester (DBE), 2-Butoxyethyl acetate (DBGA), different fluorine; Second solvent is a low boiling point solvent, is selected from least a in cyclohexanone, toluene, ETHYLE ACETATE, the isopropylcarbinol.More preferably under the situation; Organic solvent of the present invention adopts first solvent and second solvent volume than being the mixed solvent of 1:0.3-0.5, and for example can adopt your ketone of different fluorine and cyclohexanone volume ratio is that mixture or different fluorine that ketone, cyclohexanone and the isopropylcarbinol volume ratio of 2:1 is the mixture of 1:0.2:0.2.
In the ink composite of the present invention, also can contain the pigment of respective color according to the needs of printed patterns.Under the preferable case, be benchmark with the quality of ink composite, the content of pigment is 6-15wt%.Said pigment can be the pigment of various routines, for example can be selected from the blue or green pigment of carbon black, iron oxide red, white titanium pigment, pearlescence, pearl powder, aluminium paste, silver-colored slurry, azo pigment and phthalein one or more, selects according to the difference of printed patterns.Said pigment can directly adopt and be purchased product, for example can adopt that Clariant company produces 1533,1541,7005s and 1441.
As preferred implementation of the present invention,, also can contain various auxiliary agents as required in the said ink composite for improving the various performances of ink composite.Under the preferable case, also contain the auxiliary agent of 0.5-8wt% in the said ink composite; Auxiliary agent is selected from least a in skimmer, flow agent, the wetting dispersing agent.
The kind of the skimmer described in the ink composite of the present invention and consumption are conventionally known to one of skill in the art; For example; Said skimmer can be selected from EFKA2022, EFKA2527, EFKA2040, BYK352, BYK354, among BYK357, the BYK054 one or more.Quality with ink composite is a benchmark, and the content of said skimmer is 0-2 weight %, is preferably 0-1.5 weight %.
Said flow agent mainly is the surface effect in order to guarantee that ink composite is excellent; The kind of flow agent and consumption are conventionally known to one of skill in the art; For example said flow agent can be selected from EFKA3883, EFKA3886, EFKA3600, BYK366; BYK333, among BYK307, the DEGO410 one or more.Wherein EFKA series is Dutch Ai Fuka Company products, and BYK series is the BYK Company products, and DEGO series is the high Company products of German enlightening, more than its trade mark be conventionally known to one of skill in the art.Quality with ink composite is a benchmark, and the content of said flow agent is 0-2 weight %, is preferably 0-1.5 weight %.
Said wetting dispersing agent refers to any material that can improve said matrix resin dispersion state in solvent, like Kerper-602, and Kerper-605, Kerper630, CFC-500HP, CFC-510, CFC-637, one or more among CFC-604S, the BYK163.Wherein Kerper series is U.S. Kerper Company products, and CFC series is French CFC Company products.Quality with ink composite is a benchmark, and the content of said wetting dispersing agent is that 0-5 weight % is preferably 0-3 weight %.
The invention provides the preparation method of said ink composite; Comprise epoxy vinyl ester resin, thermoset Hydroxylated acrylic resin, silane-modified polyisobutene resin, polymeric amide affixture, whiteruss, glycerine and organic solvent are mixed in proportion, can obtain said ink composite.
Among the present invention, the interpolation not qualification especially in proper order for each component in the ink composite can add in batches, also can add together, mixes at last to get final product.Under the preferable case; For making each component uniform mixing in the ink composite, can earlier each component except that organic solvent be mixed, adopting three-roll grinder to grind until fineness is below 10 m; And in process of lapping, add organic solvent, mix and can obtain ink composite of the present invention.
The present invention also provides a kind of stainless steel work-piece, comprises stainless steel substrate and the ink design layer that is positioned at the stainless steel substrate surface; Described ink design layer is transferred to stainless steel substrate surface and curing and obtains through ink composite provided by the invention is printed on the dicing film behind the room temperature surface drying.
Among the present invention, the various dicing films used always for those skilled in the art of the dicing film that adopts, for example can adopt the PET dicing film.The mode of printing that ink composite is printed on the dicing film to be adopted for example can be through the mode of silk screen printing also for conventionally known to one of skill in the art.
After treating the ink composite room temperature surface drying on the dicing film; Dicing film and stainless steel substrate are carried out accurate contraposition; Then the ink composite behind the surface drying is transferred to the stainless steel substrate surface, wherein transfer printing can treat that it is peelable dicing film that ink lay is transferred to the stainless steel substrate surface fully through the not one side of printing ink composition of dicing film that under certain pressure, rubs; At last ink lay is solidified, can form ink design layer on the stainless steel substrate surface.Said solidified condition comprises that solidification value is 40-90 ℃, and be 20-30 minute set time.
Among the present invention, the thickness of the ink design layer on stainless steel substrate surface is not special to be limited, and confirms according to the requirement of printed pattern.
Below in conjunction with embodiment the present invention is further specified.The raw material that adopts all is commercially available in embodiment and the Comparative Examples.
Embodiment 1
(1) each component except that organic solvent is mixed, just using three-roll grinder to grind until fineness is below 10 m, adds organic solvent in the process of lapping, mixes, and each component concentration ratio is as follows; Obtain the ink composite of present embodiment, be designated as S1;
Epoxy vinyl ester resin: 8084, contents of ethylene 42wt% 30%
Thermoset Hydroxylated acrylic resin: SC341, hydroxyl value 86 mgKOH/g 25%
Silane-modified polyisobutene resin: EPION
TM, silicone content 10wt% 10%
Polymeric amide affixture: kingcure 450, amine value 300mgKOH/g 3%
Whiteruss 5%
Glycerine 6%
Auxiliary agent: skimmer: EFKA2022 0.5%
Flow agent: EFKA3883 0.5%
Wetting dispersing agent: Kerper-602 0.8%
Pigment: carbon black 6%
Organic solvent: different fluorine that ketone, cyclohexanone volume ratio 2:1 13.2%
(2) mode of ink composite S1 through silk screen printing is printed in PET dicing film surface, behind the room temperature surface drying, dicing film fitted in the die steel surface, the one side that wherein is printed with printing ink on the PET dicing film contacts with die steel; The another side of repeated friction PET dicing film treats that ink lay is transferred to the die steel surface fully, peels off the PET dicing film, and dry 30min about 50 ℃ then obtains the stainless steel substrate of present embodiment, is designated as S11.
Embodiment 2
Adopt to prepare ink composite S2, and be transferred to the stainless steel substrate surface with embodiment 1 identical method, cured and prepared stainless steel work-piece S22, difference is that each component and weight percentage are following among the ink composite S2:
Epoxy vinyl ester resin: 411-400, contents of ethylene 33wt% 35%
Thermoset Hydroxylated acrylic resin: A909, hydroxyl value 70mgKOH/g 22%
Silane-modified polyisobutene resin: EPION
TM, silicone content 15wt% 12%
Polymeric amide affixture: kingcure46, amine value 190mgKOH/g 7%
Whiteruss 5%
Glycerine 5%
Auxiliary agent: skimmer: BYK352 0.5%
Wetting dispersing agent: CFC-500HP 0.5%
Pigment: iron oxide red 3%
Organic solvent: different fluorine that ketone, cyclohexanone, isopropylcarbinol volume ratio 1:0.2:0.2 10%.
Embodiment 3-4
Adopt with embodiment 1 identical step and prepare ink composite S3-S5 and stainless steel substrate S33-S55, difference is that the weight percentage of each component in the step (1) is as shown in table 1 respectively.
Comparative Examples 1-3
Adopt with embodiment 1 identical step and prepare ink composite DS1-DS3 and stainless steel substrate DS11-DS33, difference is that the weight percentage of each component in the step (1) is as shown in table 1 respectively.
Table 1
Component |
S33 |
S44 |
S55 |
DS11 |
DS22 |
DS33 |
Epoxy vinyl ester resin |
31 |
33 |
30 |
- |
40 |
- |
The thermoset Hydroxylated acrylic resin |
25 |
25 |
24 |
35 |
- |
- |
Silane-modified polyisobutene resin |
10 |
10 |
14 |
21 |
20 |
45 |
The polymeric amide affixture |
3 |
5 |
5 |
12 |
5 |
23 |
Whiteruss |
5 |
5 |
5 |
5 |
5 |
5 |
Glycerine |
6 |
5 |
5 |
6 |
6 |
6 |
Auxiliary agent |
- |
1.8 |
- |
1.8 |
1.8 |
1.8 |
Pigment |
6 |
- |
- |
6 |
6 |
6 |
Organic solvent |
14 |
15.2 |
17 |
13.2 |
16.2 |
13.2 |
Performance test:
1, pattern accuracy test:
After the inspection transfer printing whether residual ink is arranged above the dicing film paper, noresidue is Y, otherwise is N; Compare with the former film, whether inspection die steel surface ink layer line bar has the disappearance distortion, does not have to lack to be deformed into Y, otherwise is N.
2, sticking power test:
Draw the square lattice of 100 1mm * 1mm with drawing the lattice device at sprayed surface, the model of using Minnesota Mining and Manufacturing Company to produce is 600 smooth being bonded on the grid of scotch tape, does not stay a space, vertically uncovers with utmost dispatch then, observes cut edge and has or not depainting.Is 5B like the depainting amount between 0-5%, between 5-10%, is 4B, between 10-20%, is 3B, between 20-30%, is 2B, is B between 30-50%, is being 0B more than 50%.
3, anti-etching test
Etching solution adopts the mixing acid (HCl:H of pH=1
2SO
4: the HNO3 volume ratio is 1:1:3); Stainless steel work-piece S11-S55 and DS11-DS33 are placed etching solution, soaked 20 minutes, see whether ink design layer comes off; Not having comes off is designated as Y, otherwise is designated as N.
Test result is as shown in table 2.
Table 2
Test |
S11 |
S22 |
S33 |
S44 |
S55 |
DS11 |
DS22 |
DS33 |
The pattern precision |
Y |
Y |
Y |
Y |
Y |
N |
N |
N |
Sticking power |
5B |
5B |
5B |
5B |
5B |
3B |
2B |
2B |
Etching resistence |
Y |
Y |
Y |
Y |
Y |
N |
N |
N |
Can find out that from the test result of table 2 still transferability is to stainless steel surface behind the room temperature surface drying for the ink composite of embodiments of the invention, the precision of ink design layer obviously is superior to Comparative Examples; In addition, the sticking power of ink lay of the present invention and base material is higher, and the etch resistant ability is also better.