Digital printing advertisement base material and preparation method thereof

Abstract

The invention provides a digital printing advertisement base material and a preparation method thereof. The preparation method comprises the steps: preparing anti-ultraviolet hot melt glue for digital printing and putting a base layer on a coil-feeding rack of a coating machine for corona treatment; coating the anti-ultraviolet hot melt glue and drying the base layer at 60-120 DEG C, wherein the thickness of the cooled hot melt glue is 20-100 [mu]m; coating a 10-50 [mu]m thick ink-receptive coating on the cooled anti-ultraviolet hot melt glue, and printing a pattern; carrying out hot press, wherein the pressure is 1-5 kg, the temperature is 120-200 DEG C, the time is 2-50 seconds, and the anti-ultraviolet hot melt glue is melted and permeates among particles of the ink-receptive coating and the printed pattern and covers above and quickly congeals to a film to form a protective layer; and cooling and rolling. The advertisement base material prepared by the invention is bright in pattern, smooth and level, rainproof and sun-proof and strong in anti-ultraviolet ability, and is free of yellowing phenomenon if being used outdoors for one year.

Description

technical field

[0001] The invention belongs to the technical field of advertising substrates, and in particular relates to a digital inkjet advertising substrate and a preparation method thereof. Background technique

[0002] Inkjet printing technology has been widely used in the advertising industry. Its rich color performance, fast production process, and long-lasting sun resistance have brought vitality to the entire industry. The advertising substrate in the prior art includes a base layer and an ink-absorbing coating, which is realized by pasting a layer of cold laminating film to form a protective layer after printing on the ink-absorbing coating. For example, the patent number is 2014105160026, and the name is an inkjet advertising consumable The invention patent of cold lamination film for protection and production method discloses a cold lamination film for protection of inkjet advertising consumables, including a transparent protective layer, an adhesive layer is ...

Examples

Embodiment 1

[0033] 1) Prepare an anti-ultraviolet light hot melt adhesive for digital inkjet printing, 50% of ethylene-vinyl acetate copolymer by weight percentage, wherein the content of vinyl acetate is 10%; 18% of ethylene-methacrylic acid copolymer; polyethylene terephthalic acid 15% butylene glycol ester; 7% antioxidant; 2% UV absorber; 2% hindered amine stabilizer; 4% C9 petroleum resin; 2% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 150°C, and the time is 25 minutes;

[0034] 2) Put the base layer on the roll-in rack of the coating machine, unwind the tension to 40N, and perform corona treatment on the surface of the base layer with a high-frequency AC voltage of 10000V / ㎡;

[0035] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, dry at 90°C, and the thickness of the hot-melt adhesive layer after cooling is 60um;

[0036] 4) Coat the ink-absorbing coating on the cool...

Embodiment 2

[0041] 1) To prepare an anti-ultraviolet hot melt adhesive for digital inkjet printing, ethylene-vinyl acetate copolymer is 40% by weight, wherein the content of vinyl acetate is 5%; ethylene-methacrylic acid copolymer is 30%; polyethylene terephthalic acid 10% butylene glycol ester; 9.8% antioxidant; 0.2% UV absorber; 3% hindered amine stabilizer; 6% C9 petroleum resin; 1% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 120°C, and the time is 20 minutes;

[0042] 2) Put the base layer on the roll-in frame of the coating machine, the unwinding tension is 30N, and the surface of the base layer is corona treated with a high-frequency AC voltage of 6000V / ㎡;

[0043] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, and dry it at 60°C. After cooling, the thickness of the hot-melt adhesive layer is 20um;

[0044] 4) Coat the ink-absorbing coating on the cooled anti-ultrav...

Embodiment 3

[0049] 1) To prepare an anti-ultraviolet hot melt adhesive for digital printing, 60% of ethylene-vinyl acetate copolymer is used in weight percentage, wherein the content of vinyl acetate is 20%; 12.2% of ethylene-methacrylic acid copolymer; polyethylene terephthalic acid 10% butylene glycol ester; 5% antioxidant; 5% UV absorber; 0.3% hindered amine stabilizer; 3.5% C9 petroleum resin; 4% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 180°C, and the time is 30 minutes;

[0050] 2) Put the base layer on the roll-in frame of the coating machine, the unwinding tension is 50N, and the surface of the base layer is corona treated with a high-frequency AC voltage of 12000V / ㎡;

[0051] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, and dry at 120°C. After cooling, the thickness of the hot-melt adhesive layer is 100um;

[0052]4) An ink-absorbing coating is coated on the ...

technical field

[0001] The invention belongs to the technical field of advertising substrates, and in particular relates to a digital inkjet advertising substrate and a preparation method thereof. Background technique

[0002] Inkjet printing technology has been widely used in the advertising industry. Its rich color performance, fast production process, and long-lasting sun resistance have brought vitality to the entire industry. The advertising substrate in the prior art includes a base layer and an ink-absorbing coating, which is realized by pasting a layer of cold laminating film to form a protective layer after printing on the ink-absorbing coating. For example, the patent number is 2014105160026, and the name is an inkjet advertising consumable The invention patent of cold lamination film for protection and production method discloses a cold lamination film for protection of inkjet advertising consumables, including a transparent protective layer, an adhesive layer is ...

Examples

Embodiment 1

[0033] 1) Prepare an anti-ultraviolet light hot melt adhesive for digital inkjet printing, 50% of ethylene-vinyl acetate copolymer by weight percentage, wherein the content of vinyl acetate is 10%; 18% of ethylene-methacrylic acid copolymer; polyethylene terephthalic acid 15% butylene glycol ester; 7% antioxidant; 2% UV absorber; 2% hindered amine stabilizer; 4% C9 petroleum resin; 2% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 150°C, and the time is 25 minutes;

[0034] 2) Put the base layer on the roll-in rack of the coating machine, unwind the tension to 40N, and perform corona treatment on the surface of the base layer with a high-frequency AC voltage of 10000V / ㎡;

[0035] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, dry at 90°C, and the thickness of the hot-melt adhesive layer after cooling is 60um;

[0036] 4) Coat the ink-absorbing coating on the cool...

Embodiment 2

[0041] 1) To prepare an anti-ultraviolet hot melt adhesive for digital inkjet printing, ethylene-vinyl acetate copolymer is 40% by weight, wherein the content of vinyl acetate is 5%; ethylene-methacrylic acid copolymer is 30%; polyethylene terephthalic acid 10% butylene glycol ester; 9.8% antioxidant; 0.2% UV absorber; 3% hindered amine stabilizer; 6% C9 petroleum resin; 1% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 120°C, and the time is 20 minutes;

[0042] 2) Put the base layer on the roll-in frame of the coating machine, the unwinding tension is 30N, and the surface of the base layer is corona treated with a high-frequency AC voltage of 6000V / ㎡;

[0043] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, and dry it at 60°C. After cooling, the thickness of the hot-melt adhesive layer is 20um;

[0044] 4) Coat the ink-absorbing coating on the cooled anti-ultrav...

Embodiment 3

[0049] 1) To prepare an anti-ultraviolet hot melt adhesive for digital printing, 60% of ethylene-vinyl acetate copolymer is used in weight percentage, wherein the content of vinyl acetate is 20%; 12.2% of ethylene-methacrylic acid copolymer; polyethylene terephthalic acid 10% butylene glycol ester; 5% antioxidant; 5% UV absorber; 0.3% hindered amine stabilizer; 3.5% C9 petroleum resin; 4% disulfonic acid. Stir evenly, put it into the heater to melt and mix evenly, the temperature is 180°C, and the time is 30 minutes;

[0050] 2) Put the base layer on the roll-in frame of the coating machine, the unwinding tension is 50N, and the surface of the base layer is corona treated with a high-frequency AC voltage of 12000V / ㎡;

[0051] 3) Apply the anti-ultraviolet light hot-melt adhesive prepared in step 1) evenly on the base layer after corona, and dry at 120°C. After cooling, the thickness of the hot-melt adhesive layer is 100um;

[0052]4) An ink-absorbing coating is coated on the ...