阅读说明：本技术 一种用于商标纸张上的水性耐碱光油及其制备方法 (A kind of aqueous alkaline-resisting gloss oil and preparation method thereof on trade mark paper ) 是由 罗健强 何启倩 柳小玉 苏丽兴 于 2019-09-12 设计创作，主要内容包括：本发明公开了一种用于商标纸张上的水性耐碱光油及其制备方法,其技术方案要点是：由以下重量组分的物质组成：水性聚氨酯乳液69.8～77.7％,成膜助剂10～15％,去离子水10～12％,消泡剂0.8～1％,流平剂0.3～0.5％,PH中和剂0.2％,增稠剂1～1.5％。本发明的目的提供一种具有一定抗油缩、耐刮擦、耐碱化学性的用于商标纸张上的水性耐碱光油。(The aqueous alkaline-resisting gloss oil and preparation method thereof that the invention discloses a kind of on trade mark paper, its key points of the technical solution are that: by the material composition of following components by weight percent: aqueous polyurethane emulsion 69.8~77.7%, coalescing agent 10~15%, deionized water 10~12%, defoaming agent 0.8~1%, levelling agent 0.3~0.5%, PH neutralizer 0.2%, thickener 1~1.5%.It is an object of the invention to provide a kind of with certain oil resistant contracting, scratch-resistant, the alkaline-resisting aqueous alkaline-resisting gloss oil being used on trade mark paper chemically.)

1. a kind of aqueous alkaline-resisting gloss oil on trade mark paper, it is characterised in that by the material composition of following components by weight percent:

2. a kind of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 1, it is characterised in that: the film forming Auxiliary agent is ethylene glycol.

3. a kind of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 1, it is characterised in that: the defoaming Agent is brokenly bubble polysiloxane solution, the emulsion of paraffin base mineral oil and hydrophobic ingredients or the polymer-type without organosilicon At least one of defoaming agent.

4. a kind of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 1, it is characterised in that: the levelling Agent is at least one of polyether-modified dimethyl silicone polymer or organic silicon modified by polyether.

5. a kind of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 1, it is characterised in that: in the PH It is ammonium hydroxide with agent.

6. a kind of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 1, it is characterised in that: the thickening Agent is association type polyurethane thickener.

7. a kind of preparation method of the aqueous alkaline-resisting gloss oil on trade mark paper, it is characterised in that the following steps are included:

The aqueous polyurethane emulsion is mixed 300 turns with coalescing agent, stirs 10 minutes, is then added while stirring Deionized water continues 300 turns, stirs 3 minutes, the defoaming agent, levelling agent and PH neutralizer are added later, continues to stir 10- 15 minutes, it is finally slowly added to 800 turns of the thickener, stirs 15-20 minutes, can be obtained by after mixing evenly aqueous alkaline-resisting Gloss oil.

8. a kind of preparation method of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 7, feature exist In the aqueous polyurethane the preparation method is as follows:

Under nitrogen protection, it is added into the drying four-hole boiling flask equipped with blender, thermometer and reflux condensing tube quantitative TDI is gradually warmed up to 65 DEG C, dewatered PTMG is added dropwise, 3h is reacted in 75-80 DEG C, reaches theoretical to the inside-NCO content After value, 65 DEG C are cooled to, is diluted with acetone, Isosorbide-5-Nitrae butylene glycol is then added, cools to 40 DEG C after reacting 2h, Zhi Houhuan The slow acetone soln that MDEA is added dropwise maintains reaction 3h, cools to 35 DEG C after the inside-NCO content reaches theoretical value, adds acetone Dilution, is neutralized with glacial acetic acid, after waiting 30min, is slowly added to deionized water with funnel, quickly stirs 20min, then stir on one side The pH value for adding dilute hydrochloric acid regulation system on one side is 5-7, and last vacuum takes off acetone, obtains aqueous polyurethane emulsion.

9. a kind of preparation method of aqueous alkaline-resisting gloss oil on trade mark paper according to claim 7, feature exist It is as follows in the synthetic method of the aqueous polyurethane emulsion:

[technical field]

The invention belongs to water paint fields, and in particular to a kind of aqueous alkaline-resisting gloss oil and its system on trade mark paper Standby and application method.

[background technique]

Since traditional solvent type coating contains a large amount of organic volatile solvent, very big destruction is caused to environment, with people Environmental consciousness raising, people more take notice of the development of water paint.Water paint is a kind of new coating of environment-friendly and green, by The features such as few in organic volatile, pollution is low, easy to operate, it is studied personnel gradually and payes attention to and grow up.

In recent years, water paint is applied fewer on functional coating, such as label paper printing, and alkaline-resisting, is function An important index in property coating, since water paint development time is relatively short, technology does not have traditional solvent type coating Perfect, the problem currently encountered above alkaline-resisting is exactly that production efficiency is low, at high cost, and finished product cannot lasting moisture-proof or chemical resistance Difference, and do not play good anti-fake effect.

[summary of the invention]

The purpose of the invention is to overcome the defect of existing coating, provide a kind of aqueous alkaline-resisting on trade mark paper Gloss oil.

Of the invention also provides a kind of preparation method of aqueous alkaline-resisting gloss oil on trade mark paper.

A kind of aqueous alkaline-resisting gloss oil on trade mark paper, by the material composition of following components by weight percent:

Preferably, the coalescing agent is ethylene glycol.

Preferably, the defoaming agent is the emulsification of brokenly bubble polysiloxane solution, paraffin base mineral oil and hydrophobic ingredients At least one of liquid) or the polymer-type defoaming agent without organosilicon.The defoaming agent brokenly bubble polysiloxane solution is preferably The emulsion of BYK-025, the defoaming agent paraffin base mineral oil and hydrophobic ingredients is preferably BYK-032, described without organic The polymer-type defoaming agent of silicon is preferably BYK-011, extremely effective when producing and applying in water-based paint system, does not influence light Pool.

Preferably, the levelling agent is at least one in polyether-modified dimethyl silicone polymer or organic silicon modified by polyether Kind.The polyether-modified dimethyl silicone polymer levelling agent is preferably BYK333, and coating surface tension can be reduced after system use, It is wet to be conducive to ground, grease proofing can also contract, anti-scratch, resist blocking and that, improves product levelability and glossiness；Described polyether-modified have Machine silicon levelling agent is preferably BYK345, and safety and environmental protection, there are no pollution to the environment, has lower surface tension and preferable synthesis Performance, especially with the anti-shrinkage cavity ability of extra-heavy, by reducing surface tension to promote the wetting of ground, also promote flowing and Levelability.

Preferably, the PH neutralizer is ammonium hydroxide.It is preferred that the ammonium hydroxide molar concentration 1-5mol/L.

Preferably, the association type polyurethane thickener is preferably BASF PU1191.It is without heavy metal, solvent and waves Hair property organic compound (VOC), product synthesis in do not use heavy metal catalyst, higher pseudoplastic behavior viscosity can be generated, have Viscosity reduction and excellent when having splendid sag resistance, coloring, has no adverse effect the glossiness or opacity of paint film.

A kind of preparation method of the aqueous alkaline-resisting gloss oil on trade mark paper, comprising the following steps:

The aqueous polyurethane emulsion is mixed 300 turns with coalescing agent, stirs 10 minutes, then. while stirring Deionized water is added, continues 300 turns, stirs 3 minutes, the defoaming agent, levelling agent and PH neutralizer is added later, continues to stir 10-15 minutes, it is finally slowly added to 800 turns of the thickener, stirs 15-20 minutes, can be obtained by after mixing evenly aqueous Alkaline-resisting gloss oil.

Preferably, the aqueous polyurethane the preparation method is as follows: under nitrogen protection, to being equipped with blender, thermometer Quantitative TDI is added in the drying four-hole boiling flask of reflux condensing tube, is gradually warmed up to 65 DEG C, dewatered PTMG, In is added dropwise 3h is reacted in 75-80 DEG C, after the inside-NCO content reaches theoretical value, is cooled to 65 DEG C, is diluted with acetone, is then added Isosorbide-5-Nitrae butylene glycol cools to 40 DEG C after reacting 2h, and the acetone soln that MDEA is slowly added dropwise later maintains reaction 3h, waits until the inside- NCO content cools to 35 DEG C after reaching theoretical value, adds acetone to dilute, is neutralized with glacial acetic acid, after waiting 30min, is slowly added with funnel Enter deionized water, quickly stir 20min, the pH value that dilute hydrochloric acid regulation system is then added while stirring is 5-7, last true The de- acetone of sky, obtains aqueous polyurethane emulsion；

Experiment reagent is preferably as follows in above-mentioned preparation process:

Preferably, the synthetic method of the aqueous polyurethane emulsion is as follows:

The present invention compared with the existing technology, has the advantage that

A kind of aqueous alkaline-resisting gloss oil on trade mark paper of the invention, system based on aqueous polyurethane emulsion, Cooperate deionized water, coalescing agent and other auxiliary agents, put forth effort to improve in the alkali resistance of coating, coating system itself be in weak base or in Property, after film forming have preferable alkali resistance, itself environmental protection and do not have volatile component, system for label paper adhesion compared with It is good, while reducing film surface tension, there is good wetting action to ground, the grease proofing contracting in surface, anti-scratch, resist blocking and that change Kind product levelability and glossiness, printing surface is clear, has highlighted gloss, has certain antifalse effect；

A kind of preparation method of aqueous alkaline-resisting gloss oil on trade mark paper of the invention, process warm and, process is without dirt Dye discharge, is suitble to industrialized production.

[specific embodiment]

1-6 is to the aqueous alkaline-resisting gloss oil and its preparation side being used on trade mark paper of the invention combined with specific embodiments below Method is further described.