CN105273504B - A kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant and its application - Google Patents

A kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant and its application Download PDF

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CN105273504B
CN105273504B CN201410228794.7A CN201410228794A CN105273504B CN 105273504 B CN105273504 B CN 105273504B CN 201410228794 A CN201410228794 A CN 201410228794A CN 105273504 B CN105273504 B CN 105273504B
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cellulose
matrix resin
coating composition
coating
imperplex
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CN105273504A (en
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吴军华
张绳凯
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SHANGHAI VISION-TECH NEW MATERIALS Co Ltd
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SHANGHAI VISION-TECH NEW MATERIALS Co Ltd
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Abstract

The present invention proposes a kind of new aluminizing transfer paint composition and its application, and the composition includes matrix resin material and solvent.Wherein, part by weight of the matrix resin material in the coating is 5 30%;The matrix resin is 1) imperplex and 2) cellulose and/or the composition of cellulose derivative;The solvent is mixed solvent.In coating process, mixed solvent of the present invention progressively volatilizees, it is to avoid the apparent disadvantage that the equivalent solvent moment volatilization of coating pinprick bubble is produced;Simultaneously, it can be ensured that micro moisture first volatilizees before coating is completely dried in coating, it is to avoid apparent hair mist phenomenon occurs, and this apparent hair mist phenomenon is easy to occur when relative air humidity is big.

Description

A kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant and its application
Technical field
Applied the present invention relates to the transfer of a kind of coating of printing, more particularly to a kind of high-temperature resistant and high aluminium lamination tack Material.
Background technology
Transfer aluminum plated paper does not contain PET, PP Polymer material for being difficult to decompose, with degradable, recyclable environmental protection Performance, is a kind of environmental-friendpacking packing material, in addition, in transfer paper production process, directly can also pass through radium-shine or holographic skill Word, pattern etc. are copied to aluminium paper surface by art, so that good antifalse effect is reached, meanwhile, transfer aluminum plated paper has warp Ji property and advantage attractive in appearance, at present to be used widely.
Because transfer coatings are molded and thermoprint process in printing process, it is necessary to pass through, carry out at relatively high temperatures, because This, the heat resistance of coating is extremely important.
CN102585648A discloses a kind of laser electrolytic aluminum film regeneration coating and preparation method thereof, with ethyl acetate, Butyl acetate mixture (1: 1) is solvent, using the copolymer of acrylic monomer as matrix resin, to overcome lacking for temperature tolerance difference Fall into.
But the aluminizing transfer paint that packaging product is used at present, there are different journeys in properties of product and coating process The defect of degree, is mainly shown as the problems such as aluminium lamination cracking, tack are poor, ink adheres to quick-fried color at bad, cross cutting folding line.To understand Certainly the above mentioned problem, (publication number of Chinese invention patent application 201210573041.0 that applicant submits:CN103031027A it is) public A kind of multi-solvent aluminizing transfer paint has been opened, including matrix resin is acrylic resin and cellulose esters, wherein acrylic resin Using the combination of two kinds of commercialization resins, with high aluminium lamination adhesive force, it is to avoid the dealuminzation problem in follow-up stripping process, solution Above mentioned problem caused by the silver-colored tack difference of aluminizing transfer paint of having determined, while the coating is biodegradable, disposable, meets green Colour circle guaranteed request.
But applicant is in actual production and application process, it was found that, because aluminizing transfer paint is in coating process, In solvent volatilization process, especially in the case where air humidity is larger, there is the phenomenon of hair mist in surface, even, heating coating During easily lead to occur bubble and stomata in resin material.
Therefore, it is still necessary to which research and development are new, aluminizing transfer paint with high temperature tolerance, high aluminium lamination adhesive force.
The content of the invention
For problems of the prior art, the present invention proposes a kind of new aluminizing transfer paint composition and its should With.
One side of the invention provides a kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant, including matrix tree Fat material and solvent.
Wherein, part by weight of the matrix resin material in the coating is 5-30%.
Wherein, the solvent at least includes the component of following weight proportion:
In one preferred embodiment of the invention, the matrix resin is for 1) imperplex and 2) fine Dimension element and/or the composition of cellulose derivative.
Wherein, 1) imperplex and 2) part by weight between cellulose and/or cellulose derivative Preferably 1: 0.5-5, more preferably 1: 0.6-4.5, more preferably 1: 0.8-4, more preferably 1: 1-3.5, more preferably 1: 1.3-3, more preferably 1: 1.5-2.5, such as 1: 1.7-2.1,1: 1.8-2.0,1: 1.9-2.0.
Wherein, the imperplex Tg is preferably >=100 DEG C, more preferably 100 DEG C -150 DEG C, more excellent Elect 105 DEG C -130 DEG C, more preferably 110 DEG C -120 DEG C, such as 115 DEG C as.
Wherein, the imperplex softening point (ring and ball method test) is preferably >=180 DEG C, more preferably 180 DEG C -250 DEG C, more preferably 185 DEG C -230 DEG C, more preferably 190 DEG C -220 DEG C, such as 200 DEG C -210 DEG C, such as 205 DEG C.
Wherein, the imperplex number-average molecular weight is preferably >=30000, more preferably 30000- 50000, more preferably 30000-450000, more preferably 35000-40000.
Wherein, the imperplex acid number is preferably≤1.5mgKOH/g, more preferably 0.5- 1.5mgKOH/g, more preferably 0.5-1.3mgKOH/g, more preferably 0.6-1mgKOH/g, more preferably 0.7-0.9mgKOH/ G, such as 0.8mgKOH/g.
Wherein, the imperplex viscosity (test condition:25 DEG C, in 25wt% butanone solutions) preferably For 15-50mPaS, more preferably more preferably 16-40mPaS, more preferably 20-35mPaS, 25-30mPaS.
Wherein, the imperplex density (20 DEG C) is preferably 0.5-1.5kg/L, more preferably 0.6- 1.4kg/L, more preferably 0.8-1.3kg/L, more preferably 1.0-1.2kg/L, more preferably 1.1-1.2kg/L.
Wherein, the cellulose and/or cellulose derivative Tg are preferably >=140 DEG C, more preferably 140 DEG C -200 DEG C, More preferably 145 DEG C -180 DEG C, more preferably 150 DEG C -170 DEG C, such as 150-160 DEG C, such as 155 DEG C.
Wherein, the cellulose and/or cellulose derivative melting temperature are preferably >=200 DEG C, more preferably 200 DEG C- 250 DEG C, more preferably 205 DEG C -250 DEG C, more preferably 210 DEG C -245 DEG C, more preferably 220-240 DEG C, such as 230-240 DEG C.
Wherein, the cellulose and/or cellulose derivative viscosity are preferably≤2.0 pools, and more preferably 0.5-1.8 is moored, More preferably 0.6-1.7 is moored, more preferably 0.7-1.5 pools, more preferably 0.8-1.4 pools, more preferably 1.0-1.3 pools, such as 1.1 Pool, 1.2 pools.
Wherein, the cellulose derivative can be selected from carboxyl alkyl cellulose, hydroxy alkyl cellulose, cellulose alkylol Any one or a few in ether, cellulose esters.
Wherein, the alkyl is preferably C1-C6 alkyl, more preferably C1-C5 alkyl, more preferably C1-C4 alkane The alkyl of base, more preferably C1-C3, such as methyl, ethyl, propyl group.
In one preferred embodiment of the invention, the cellulose and/or its derivative are one kind in cellulose esters Or it is several.
Wherein, the cellulose esters can be any one in cellulose organic ester and/or cellulose inorganic acid ester Or it is several.
The organic acid can be aliphatic carboxylic acid, aromatic carboxylic acid, such as C1-C20 alkyl carboxylic acid, C6-C20 fragrance Yl carboxylic acid, C7-C20 aromatic radical replace any one in alkyl carboxylic acid or C7-C20 alky-substituted aromatic yl carboxylic acid Or it is several.
The organic acid is more preferably C1-C20 alkyl carboxylic acids, more preferably C1-C10 alkyl carboxylic acids, more preferably C1-C8 Any one or a few in alkyl carboxylic acid, more preferably C1-C6 alkyl carboxylic acids, more preferably C1-C4 alkyl carboxylic acids.
The organic acid is exemplified as:Formic acid, acetic acid, propionic acid, isopropyl acid, butyric acid, isobutyric acid, valeric acid, caproic acid, benzene first Acid or above-mentioned sour acid anhydrides.
The inorganic acid is exemplified as:Any one or a few in nitric acid, sulfuric acid, phosphoric acid.
In one preferred embodiment of the invention, the cellulose esters is more preferably at least the cellulose of two kinds of organic acids Ester, at least two organic acid is more preferably separately selected from C1-C10 alkyl carboxylic acids, more preferably C1-C8 alkyl carboxylic Acid, more preferably C1-C6 alkyl carboxylic acids, more preferably C1-C4 alkyl carboxylic acids.
It is highly preferred that the cellulose esters can be any one in cellulose acetate butyrate, acetate-cellulose propionate Plant or several, more preferably cellulose acetate butyrate.
Wherein, in the cellulose acetate butyrate (CAB), according to weight, acetyl content is preferably 20-40%, more preferably 22-37%, more preferably 25-35%, more preferably 28-33%, more preferably 29-30%.
Wherein, in the cellulose acetate butyrate (CAB), according to weight, bytyry content is 10-30%, more preferably 11- 28%, more preferably 12-25%, more preferably 13-22%, more preferably 15-20%, more preferably 16-20%, more preferably 17-19%, such as 17.5-18%.
In one preferred embodiment of the invention, the matrix resin can also contain auxiliary agent.
Wherein, parts by weight of the auxiliary agent in the matrix resin are preferably 0-30%, more preferably 2-25%, more Preferably 5-23%, more preferably 8-20%, more preferably 10-15%.
Wherein, the auxiliary agent can be selected from pigment, filler, levelling agent, defoamer, antioxidant, preservative, plasticiser, Any one or a few in bulking agent, toughener, brightener.
Second aspect of the invention is to provide a kind of production method of printing paper, including:By present invention one side A kind of coating composition each component mixing after, be applied on carrier material.
Wherein, the printing paper can be any one in the printing paper for silk-screen printing and/or gilding technology Or it is several.
Wherein, the carrier material is made selected from natural fiber and/or synthesis high polymer material film, appointing in paper Meaning is one or more of.
It is any in the synthesis high polymer material such as polyolefin, polyester, makrolon, epoxy resin, organic siliconresin It is a kind of.
Wherein described polyolefin such as polypropylene, polyethylene, polystyrene, polyvinyl chloride, polytetrafluoroethylene (PTFE), polyhexafluoropropylene In any one or a few.
Wherein described polyester such as polyethylene terephthalate, polybutylene terephthalate (PBT), poly- para hydroxybenzene first Any one or a few in acid esters.
The carrier material is most preferably polyethylene terephthalate.
The invention provides a kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant, with good heat resistance and The good tack to aluminium.
In coating process, mixed solvent of the present invention progressively volatilizees, it is to avoid coating pinprick bubble equivalent solvent moment waves Send out the apparent disadvantage produced.Simultaneously, it can be ensured that micro moisture first volatilizees before coating is completely dried in coating, it is to avoid apparent hair Mist phenomenon occurs, and this apparent hair mist phenomenon is easy to occur when relative air humidity is big.
Embodiment
Embodiment 1
Matrix resin 1) (Matrix1):Imperplex
Number-average molecular weight 40000, acid esters 0.8mgKOH/g, 200 DEG C of softening point (ring and ball method), 110 DEG C of Tg (DSC), density (20 DEG C) 1.18kg/L, viscosity (25 DEG C, 25wt% butanone solutions, Brookfield viscosimeters) 30mPaS
Matrix resin 2) (Matrix2):Cellulose acetate butyrate
Acetyl group 29.5wt%, bytyry 17.5wt%, 230-240 DEG C of melting temperature, Tg151 DEG C, viscosity 1.1-1.2 pools
Matched according to table 1, each component is mixed.
Embodiment 2
Matrix resin 1):Imperplex
Number-average molecular weight 50000, acid esters 1mgKOH/g, 220 DEG C of softening point (ring and ball method), 130 DEG C of Tg (DSC), density (20 DEG C) 1.15kg/L, viscosity (25 DEG C, 25wt% butanone solutions, Brookfield viscosimeters) 25mPaS
Matrix resin 2):Cellulose acetate butyrate
Acetyl group 28.1wt%, bytyry 18.6wt%, 250 DEG C of melting temperature, Tg160 DEG C, viscosity 1.15-1.22 pools
Matched according to table 1, each component is mixed.
Embodiment 3
Matrix resin 1):Imperplex
Number-average molecular weight 40000, acid esters 0.8mgKOH/g, 200 DEG C of softening point (ring and ball method), 110 DEG C of Tg (DSC), density (20 DEG C) 1.18kg/L, viscosity (25 DEG C, 25wt% butanone solutions, Brookfield viscosimeters) 30mPaS
Matrix resin 2):Cellulose acetate
Acetyl group 30.7wt%, 225 DEG C of melting temperature, Tg143 DEG C, viscosity 1.12-1.2 pools
Matched according to table 1, each component is mixed.
Embodiment 4
Matrix resin 1):Imperplex
Number-average molecular weight 40000, acid esters 0.8mgKOH/g, 200 DEG C of softening point (ring and ball method), 110 DEG C of Tg (DSC), density (20 DEG C) 1.18kg/L, viscosity (25 DEG C, 25wt% butanone solutions, Brookfield viscosimeters) 30mPaS
Matrix resin 2):Carboxymethyl cellulose
Matched according to table 1, each component is mixed.
Each component weight proportion (kg) in table 1, above-described embodiment
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Comparative example 1 Comparative example 2
Matrix1 4.8 5.2 5.5 7 4.8 4.8
Matrix2 9.3 10.5 11 11 9.3 9.3
Ethyl acetate 53 50 47.5 46 53 53
Propyl acetate 6.4 7.5 8 10.3 6.4 0
Butyl acetate 2.5 1.8 2.3 4 2.5 2.5
Acetone 3 5 3.2 4.2 3 0
Butanone 14 11 12.5 11 14 0
Ethanol 5 6 5.5 5 0 0
Butanol 2 3 4.5 1.5 2 0
Wherein, the matrix resin of comparative example 1 and 2 is same as Example 1, but solvent composition is different, as shown in table 1.
By each component in above-described embodiment in stirrer for mixing 2 hours, gained mixture is applied in PET film Cloth, is coated on progress in baking oven, and the oven temperature need not be controlled strictly, it is only necessary in the range of 90-125 DEG C.
Coated product outward appearance is detected
By the outward appearance for the coated product for contrasting above-described embodiment 1 and comparative example 1-2, it can be clearly seen that, comparative example 2 goes out Obvious hair mist phenomenon is showed, slight pinprick occurs in micro- sem observation coating, comparative example 1, and comparative example 2 occurs in that obvious pin Eye and bubble, and almost do not find pinprick and bubble in embodiment 1.
1-4 of the embodiment of the present invention is contrasted, using the coating of cellulose acetate butyrate, combination property is more preferably.
Adhesive force is detected
Coating in above-described embodiment is subjected to citicall limited aluminium, in the long 20cm of pattern identical place interception, width 5cm sample Product, are bonded with 3M adhesive force test tape and face of aluminizing, are rolled with 20N pressure roller, long 20cm, width 1.5cm sample is made, surveyed Fixed T-shaped peel strength.Peeling rate V=250mm/min.
Table 2, above-described embodiment and comparative example coating are to aluminium lamination adhesive force
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Aluminium lamination is without coming off Aluminium lamination is without coming off Aluminium lamination, which only has, slightly to come off Aluminium lamination is without coming off
By the above results as can be seen that coating composition described herein has the good adhesive force to aluminium lamination.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, and the present invention is not limited It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and Modification, all should be contained within the scope of the invention.

Claims (11)

1. a kind of high aluminium lamination tack transfer coatings composition of high-temperature resistant, it is characterised in that including:
Matrix resin material and solvent, part by weight of the matrix resin material in the coating are 5-30%;
Wherein, the matrix resin for 1) imperplex and 2) cellulose and/or cellulose derivative according to The composition that part by weight 1: 0.5-5 is constituted;Imperplex Tg is 110-120 DEG C, ring and ball method test softening Point >=180 DEG C, cellulose and/or cellulose derivative Tg >=140 DEG C, melting temperature >=200 DEG C;
The number-average molecular weight of the imperplex is 30000-50000;
Any one of the cellulose derivative in carboxyl alkyl cellulose, hydroxy alkyl cellulose, cellulose alkyl alcohol ether Or it is several;
Wherein described solvent at least includes the component of following weight proportion:
2. coating composition according to claim 1, it is characterised in that the imperplex acid number is ≤1.5mgKOH/g。
3. coating composition according to claim 1, it is characterised in that 25 DEG C of the imperplex, Viscosity is 15-50mPaS in 25wt% butanone solutions.
4. coating composition according to claim 1, it is characterised in that the cellulose and/or cellulose derivative are viscous Spend for≤2.0 pools.
5. coating composition according to claim 1, it is characterised in that the alkyl is C1-C6 alkyl.
6. coating composition according to claim 1, it is characterised in that the cellulose derivative is that acetic acid-butyric acid is fine Dimension element.
7. coating composition according to claim 6, it is characterised in that in the cellulose acetate butyrate, according to weight Amount, acetyl content is 20-40%, and bytyry content is 10-30%.
8. the coating composition according to any one in claim 1-7, it is characterised in that the matrix resin, which contains, to be helped Agent, parts by weight of the auxiliary agent in the matrix resin are 0-30%.
9. a kind of production method of printing paper, it is characterised in that including:
After each component of coating composition described in claim 1 is mixed, it is applied on carrier material.
10. method according to claim 9, it is characterised in that the printing paper is for silk-screen printing, graph Any one or a few in brush, the printing paper of gilding technology.
11. method according to claim 9, it is characterised in that the carrier material is selected from natural fiber and/or synthesis is high Any one or a few in film that molecular material is made, paper.
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CN105820675A (en) * 2016-03-25 2016-08-03 王平 Non-deinking coating for aluminized paper beer labels

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241923A (en) * 2011-06-30 2011-11-16 上海维凯化学品有限公司 Shifted Al-plating paint for offset printing, preparation method and application thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102241923A (en) * 2011-06-30 2011-11-16 上海维凯化学品有限公司 Shifted Al-plating paint for offset printing, preparation method and application thereof

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