CN103031773A - Environment-friendly high-gloss water-based back coating and preparation method thereof - Google Patents
Environment-friendly high-gloss water-based back coating and preparation method thereof Download PDFInfo
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- CN103031773A CN103031773A CN2012105719996A CN201210571999A CN103031773A CN 103031773 A CN103031773 A CN 103031773A CN 2012105719996 A CN2012105719996 A CN 2012105719996A CN 201210571999 A CN201210571999 A CN 201210571999A CN 103031773 A CN103031773 A CN 103031773A
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Abstract
The invention discloses an environment-friendly high-gloss water-based back coating and a preparation method thereof. The environment-friendly high-gloss water-based back coating is characterized in that the environment-friendly high-gloss water-based back coating comprises the following raw materials in parts by weight: 9-12 parts of water-based acrylic resin, 13-20 parts of styrene-acrylic emulsion, 2-4 parts of ammonia water, 10-40 parts of organic solvent, 10-50 parts of deionized water, and 8-20 parts of assistant. The preparation method of the environment-friendly high-gloss water-based back coating comprises the steps that water-based acrylic resin is crushed to 100-200-mesh powder; the ammonia water and partial deionized water are added to a reaction kettle, and stirred, and the water-based acrylic resin powder is added; the stirring speed is increased to 2000r/min until water-based acrylic resin is dissolved completely; a water-based acrylic resin solution, the styrene-acrylic emulsion, the assistant, the organic solvent and residual deionized water are added to the reaction kettle and stirred; an obtained mixture is filtered; and then the environment-friendly high-gloss water-based back coating is obtained. According to the environment-friendly high-gloss water-based back coating and the preparation method, the gloss of the back coating is improved greatly, and the defect that the water-based back coating is not bright enough is overcome.
Description
Technical field
The present invention relates to highlight water-based CB coating of a kind of environment-friendly type and preparation method thereof, belong to field of packaging material.
Background technology
The water-based CB coating is coated on the back side of paper, is convenient to printing with the smoothness that strengthens paper, can also intercept steam simultaneously and prevent that paper is curling, increases the brightness of paper, makes paper seem more high-grade.Because the smoothness of water-based CB coating is good, obstruct steam is good, brightness is high, low, the characteristics such as production process consumes energy less, recoverable, environmentally safe of production cost are applied on the housing material of tobacco and wine, food, cosmetics, high-grade gift etc. now more and more widely simultaneously.
Because it is higher that some product external packaging requires, expensive goods and some high-grade gifts such as tobacco and wine, cosmetics, food, tealeaves the inside, their external packing instructions are higher, require the back side that higher smoothness and higher brightness are arranged, seem that in appearance class is higher, feel more smooth in feel, present water-based CB coating does not on the market also reach these requirements.The present invention has overcome at present the on the market shortcoming of water-based CB coating, high raising smooth degree and brightness.
Summary of the invention
The object of the invention is to remedy the deficiencies in the prior art, provide a kind of smooth, high ring of light to protect harmless water-based CB coating and preparation method thereof.
To achieve these goals, the invention provides the highlight water-based CB coating of a kind of environment-friendly type, it is characterized in that its raw material comprises:
Preferably, the weight content of ammonia is 25% in the described ammoniacal liquor.
Preferably, described water-borne acrylic resin is at least a in styrene-acrylic resin, pure the third resin, organosilicon acrylic resin and the modified aqueous acrylic acid resin, and its number-average molecular weight is 2000-8500, and the Tg value is 80-95 ℃, and acid number is 115-140mgKOH/g.
Preferably, described benzene emulsion refers to not filming emulsion of phenylpropyl alcohol, and the phenylpropyl alcohol not Tg value of filming emulsion is 100-120 ℃, and acid number is 40-70mgKOH/g, minimum film formation temperature MFFT＞85 ℃.
Preferably, described organic solvent is at least a in ethanol and the propylene glycol.
Preferably, described auxiliary agent is at least a in wetting agent, levelling agent, defoamer, slip agent, plasticizer, thickener, antioxidant and the coalescents.
The present invention also provides the preparation method of the highlight water-based CB coating of above-mentioned environment-friendly type, it is characterized in that, concrete steps are:
The first step: water-borne acrylic resin is ground into the powder that the order number is 100-200, continues to employ;
Second step: add ammoniacal liquor and part deionized water in reactor, add while stirring the water-borne acrylic resin powder that the first step obtains, speed of agitator is 1500～1800r/min; After adding, increase speed of agitator to 2000r/min, dissolve fully to water-borne acrylic resin, obtain water-borne acrylic resin solution;
The 3rd step: add while stirring water-borne acrylic resin solution, benzene emulsion, auxiliary agent, organic solvent and remaining deionized water that second step obtains in reactor, be stirred to and mix, mixing speed is 800r/min;
The 4th step: the mixture that the 3rd step was obtained filters with 100-200 purpose screen pack, namely obtains the highlight water-based CB coating of environment-friendly type.
The present invention has increased substantially the glossiness of CB coating, so changed the water-based CB coating bright not shortcoming.
The specific embodiment
For the present invention is become apparent, hereby with preferred embodiment, be described in detail below.
Embodiment one
The highlight water-based CB coating of a kind of environment-friendly type, formulated by following raw material:
Table 1:
| The composition title | Affiliated company and model | Mass percent (%) |
| Water-borne acrylic resin | BASF J684 | 10.0 |
| Benzene emulsion | BASF Joncryl 90 | 17.5 |
| Ammoniacal liquor (content is 25%) | Xiang mound, Shanghai chemical industry Co., Ltd | 3.0 |
| Ethanol | Xiang mound, Shanghai chemical industry Co., Ltd | 20.0 |
| Water-based wax emulsion | BASF Joncryl Wax26 | 5.0 |
| Coalescents | The inferior DIB in sieve ground | 5.0 |
| Deionized water | ? | 39.5 |
To make 100 kilograms as example, preparation method is as follows:
1, with pulverizer 10.0 kilograms of J684 water-borne acrylic resins are ground into powder first, the order number is 200, continues to employ;
2, in dispersion machine, add 9.25 kilograms of 3.0 kilograms of ammoniacal liquor and deionized waters, add J684 water-borne acrylic resin powder while stirring, speed of agitator is 1600r/min, after adding resin, increase speed of agitator to 2000r/min, be dispersed to acrylic resin and dissolve fully, need 40 minutes, for subsequent use after dissolving is good.
3, in reactor, add successively dissolving good J684 water-borne acrylic resin solution, 17.5 kilograms of Joncryl 90,5.0 kilograms of DIB, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, and then add 5.0 kilograms of Joncryl Wax26, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, add at last 30.25 kilograms of deionized waters and 20.0 kilograms of ethanol, the limit edged stirs, and mixing speed is controlled to be 800r/min, stirs 5 minutes.
4, filter with 200 purpose screen packs, obtain the highlight water-based CB coating one of environment-friendly type.
Embodiment two
The highlight water-based CB coating of a kind of environment-friendly type, formulated by following raw material:
Table 2:
| The composition title | Affiliated company and model | Mass percent (%) |
| Water-borne acrylic resin | BASF J684 | 11.0 |
| Benzene emulsion | BASF Joncryl 90 | 15.0 |
| Ammoniacal liquor (content is 25%) | Xiang mound, Shanghai chemical industry Co., Ltd | 3.0 |
| Ethanol | Xiang mound, Shanghai chemical industry Co., Ltd | 20.0 |
| Water-based wax emulsion | BASF Joncryl Wax26 | 5.0 |
| Coalescents | The inferior DIB in sieve ground | 5.5 |
| Deionized water | ? | 40.5 |
To make 100 kilograms as example, preparation method is as follows:
1, with pulverizer 11.0 kilograms of J684 water-borne acrylic resins are ground into powder first, the order number is 200, continues to employ;
2, in dispersion machine, add 10.1 kilograms of 3.3 kilograms of ammoniacal liquor and deionized waters, add J684 water-borne acrylic resin powder while stirring, speed of agitator is 1600r/min, after adding resin, increase speed of agitator to 2000r/min, be dispersed to acrylic resin and dissolve fully, need 40 minutes, for subsequent use after dissolving is good.
3, in reactor, add successively dissolving good J684 water-borne acrylic resin solution, 15.0 kilograms of Joncryl 90,5.5 kilograms of DIB, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, and then add 5.0 kilograms of Joncryl Wax26, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, add at last 30.4 kilograms of deionized waters and 20.0 kilograms of ethanol, the limit edged stirs, and mixing speed is controlled to be 800r/min, stirs 5 minutes.
4, filter with 200 purpose screen packs, obtain the highlight water-based CB coating two of environment-friendly type.
Embodiment three
The highlight water-based CB coating of a kind of environment-friendly type, formulated by following raw material:
Table 3:
| The composition title | Affiliated company and model | Mass percent (%) |
| Water-borne acrylic resin | BASF J684 | 9.0 |
| Benzene emulsion | BASF Joncryl 90 | 19.5 |
| Ammoniacal liquor (content is 25%) | Xiang mound, Shanghai chemical industry Co., Ltd | 3.0 |
| Ethanol | Xiang mound, Shanghai chemical industry Co., Ltd | 20.0 |
| Water-based wax emulsion | BASF Joncryl Wax26 | 5.0 |
| Coalescents | The inferior DIB in sieve ground | 5.0 |
| Deionized water | ? | 38.5 |
To make 100 kilograms as example, preparation method is as follows:
1, with pulverizer 9.0 kilograms of J684 water-borne acrylic resins are ground into powder first, the order number is 200, continues to employ;
2, in dispersion machine, add 8.3 kilograms of 2.7 kilograms of ammoniacal liquor and deionized waters, add J684 water-borne acrylic resin powder while stirring, speed of agitator is 1600r/min, after adding resin, increase speed of agitator to 2000r/min, be dispersed to acrylic resin and dissolve fully, need 40 minutes, for subsequent use after dissolving is good.
3, in reactor, add successively dissolving good J684 water-borne acrylic resin solution, 19.5 kilograms of Joncryl90,5.0 kilograms of DIB, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, and then add 5 kilograms of Joncryl Wax26, stir while adding, mixing speed is 800r/min, mixing time 10 minutes, add at last 30.2 kilograms of deionized waters and 20.0 kilograms of ethanol, the limit edged stirs, and mixing speed is controlled to be 800r/min, stirs 5 minutes.
4, filter with 200 purpose screen packs, obtain the highlight water-based CB coating three of environment-friendly type.
Comparative Examples
Adopt the existing ripe emulsion type products in market (Shanghai Weikai Chemical Product Co., Ltd's water-based back of the body is coated with) to do contrast, the highlight water-based CB coating of environment-friendly type of test implementation example preparation and the glossiness of Comparative Examples:
With product and the Comparative Examples that embodiment makes, coat on the base material, carry out the mensuration of glossiness after the drying.
Experiment equipment: GZII-60 vancometer (Beijing epoch mountain peak Science and Technology Ltd.)
Experimental procedure: operate according to GB/T 8941-2007 " determination method of paper and cardboard mirror surface luster ".
It is as follows to record the result: table 4:
By as seen from Table 4, the product in the Comparative Examples of the glossiness among the embodiment after the product coating is so the glossiness of embodiment is obviously good than Comparative Examples.
Claims (7)
1. highlight water-based CB coating of environment-friendly type is characterized in that its raw material comprises:
2. the highlight water-based CB coating of environment-friendly type as claimed in claim 1 is characterized in that, the weight content of ammonia is 25% in the described ammoniacal liquor.
3. the highlight water-based CB coating of environment-friendly type as claimed in claim 1, it is characterized in that, described water-borne acrylic resin is at least a in styrene-acrylic resin, pure the third resin, organosilicon acrylic resin and the modified aqueous acrylic acid resin, its number-average molecular weight is 2000-8500, the Tg value is 80-95 ℃, and acid number is 115-140mgKOH/g.
4. the highlight water-based CB coating of environment-friendly type as claimed in claim 1 is characterized in that, described benzene emulsion refers to not filming emulsion of phenylpropyl alcohol, and the phenylpropyl alcohol not Tg value of filming emulsion is 100-120 ℃, and acid number is 40-70mgKOH/g, minimum film formation temperature MFFT＞85 ℃.
5. the highlight water-based CB coating of environment-friendly type as claimed in claim 1 is characterized in that, described organic solvent is at least a in ethanol and the propylene glycol.
6. the highlight water-based CB coating of environment-friendly type as claimed in claim 1 is characterized in that, described auxiliary agent is at least a in wetting agent, levelling agent, defoamer, slip agent, plasticizer, thickener, antioxidant and the coalescents.
7. the preparation method of the highlight water-based CB coating of environment-friendly type claimed in claim 1 is characterized in that, concrete steps are:
The first step: water-borne acrylic resin is ground into the powder that the order number is 100-200, continues to employ;
Second step: add ammoniacal liquor and part deionized water in reactor, add while stirring the water-borne acrylic resin powder that the first step obtains, speed of agitator is 1500～1800r/min; After adding, increase speed of agitator to 2000r/min, dissolve fully to water-borne acrylic resin, obtain water-borne acrylic resin solution;
The 3rd step: add while stirring water-borne acrylic resin solution, benzene emulsion, auxiliary agent, organic solvent and remaining deionized water that second step obtains in reactor, be stirred to and mix, mixing speed is 800r/min;
The 4th step: the mixture that the 3rd step was obtained filters with 100-200 purpose screen pack, namely obtains the highlight water-based CB coating of environment-friendly type.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104532670A (en) * | 2014-12-26 | 2015-04-22 | 山东泰宝包装制品有限公司 | High-glossiness tipping paper coating and preparation method of coating |
| CN105767158A (en) * | 2014-07-21 | 2016-07-20 | 上海惠昌化工厂 | Fruit freshness-keeping fruit wax and preparation method thereof |
| CN106009937A (en) * | 2016-08-01 | 2016-10-12 | 安庆瑞泰化工有限公司 | Antioxidant water-based coating and preparation method thereof |
| CN106555364A (en) * | 2016-11-28 | 2017-04-05 | 江苏格美高科技发展有限公司 | A kind of high glaze is water-fast printing paper and preparation method thereof |
| CN109235126A (en) * | 2018-08-24 | 2019-01-18 | 云南九九彩印有限公司 | A kind of waterproof back applies material and preparation method thereof and application method |
| CN110438837A (en) * | 2019-07-03 | 2019-11-12 | 广东万昌科艺材料有限公司 | A kind of preparation method that can quickly take off target and protect black aluminized paper |
| CN114232383A (en) * | 2021-12-27 | 2022-03-25 | 湖南和锐镭射科技有限公司 | Water-based anti-skid back coating liquid and preparation method thereof |
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| CN106555364A (en) * | 2016-11-28 | 2017-04-05 | 江苏格美高科技发展有限公司 | A kind of high glaze is water-fast printing paper and preparation method thereof |
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| CN110438837A (en) * | 2019-07-03 | 2019-11-12 | 广东万昌科艺材料有限公司 | A kind of preparation method that can quickly take off target and protect black aluminized paper |
| CN110438837B (en) * | 2019-07-03 | 2021-08-31 | 广东万昌科艺材料有限公司 | Preparation method of ink-preserving aluminized paper capable of quickly removing labels |
| CN114232383A (en) * | 2021-12-27 | 2022-03-25 | 湖南和锐镭射科技有限公司 | Water-based anti-skid back coating liquid and preparation method thereof |
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Application publication date: 20130410 |