阅读说明：本技术 一种特种低温固化树脂印油及其制备方法 (Special low-temperature curing resin stamp-pad ink and preparation method thereof ) 是由 王忠明 于 2021-06-18 设计创作，主要内容包括：本发明公开了一种特种低温固化树脂印油及其制备方法,由以下材料的重量份的成分组成：光敏树脂10-25份、白陶土15-35份、丙烯酰胺2-6份、植物油5-10份、有机颜料25-40份、有机溶剂15-35份、增塑剂2-5份、干燥剂10-20份、润滑剂2-4份、催化剂6-8份、抗氧化剂1-3份、铅丹1-2份和艾绒5-15份,该特种低温固化树脂印油及其制备方法,满足环保胶印油墨使用的要求,并且加入了艾绒与树脂原料进行混合,能够对纺织类的物品进行印刷,保证了印油整体的粘度,即使在金属或玻璃的印刷加工中,依然可以保持粘合性,避免出现发生粘连、剥落,印刷质量较差的问题,在适合的时间内进行催化反应,使树脂印油不会产生有害气体,从而增加了整体的实用性。(The invention discloses a special low-temperature curing resin stamp-pad ink and a preparation method thereof, wherein the special low-temperature curing resin stamp-pad ink comprises the following materials in parts by weight: 10-25 parts of photosensitive resin, 15-35 parts of kaolin, 2-6 parts of acrylamide, 5-10 parts of vegetable oil, 25-40 parts of organic pigment, 15-35 parts of organic solvent, 2-5 parts of plasticizer, 10-20 parts of drying agent, 2-4 parts of lubricant, 6-8 parts of catalyst, 1-3 parts of antioxidant, 1-2 parts of minium and 5-15 parts of moxa, and the special low-temperature curing resin stamp-pad ink and the preparation method thereof meet the use requirements of environment-friendly offset printing ink, and the moxa is added and mixed with resin raw materials, so that textile articles can be printed, the integral viscosity of the stamp-pad ink is ensured, the adhesiveness can be maintained even in the printing processing of metal or glass, the problems of adhesion and peeling are avoided, the printing quality is poor, the catalytic reaction is carried out in a proper time, so that the resin stamp-pad ink can not generate harmful gas, thereby increasing the overall practicability.)

1. A special low-temperature curing resin stamp-pad ink and a preparation method thereof are disclosed, which comprises the following components in parts by weight: 10-25 parts of photosensitive resin, 15-35 parts of kaolin, 2-6 parts of acrylamide, 5-10 parts of vegetable oil, 25-40 parts of organic pigment, 15-35 parts of organic solvent, 2-5 parts of plasticizer, 10-20 parts of drying agent, 2-4 parts of lubricant, 6-8 parts of catalyst, 1-3 parts of antioxidant, 1-2 parts of minium and 5-15 parts of moxa.

2. A special low-temperature curing resin stamp-pad ink and a preparation method thereof as claimed in claim 1, wherein the stamp-pad ink is composed of the following materials in parts by weight: 20 parts of photosensitive resin, 25 parts of kaolin, 6 parts of acrylamide, 10 parts of vegetable oil, 35 parts of organic pigment, 30 parts of organic solvent, 4 parts of plasticizer, 20 parts of drying agent, 4 parts of lubricant, 8 parts of catalyst, 3 parts of antioxidant, 2 parts of minium and 15 parts of moxa.

3. A special low-temperature curing resin stamp-pad ink and a preparation method thereof as claimed in claim 1, wherein the stamp-pad ink is composed of the following materials in parts by weight: 15 parts of photosensitive resin, 20 parts of kaolin, 5 parts of acrylamide, 8 parts of vegetable oil, 30 parts of organic pigment, 20 parts of organic solvent, 3 parts of plasticizer, 15 parts of drying agent, 3 parts of lubricant, 7 parts of catalyst, 2 parts of antioxidant, 2 parts of minium and 10 parts of moxa.

4. A special low-temperature curing resin stamp-pad ink and a preparation method thereof as claimed in claim 1, wherein the stamp-pad ink is composed of the following materials in parts by weight: 10 parts of photosensitive resin, 15 parts of kaolin, 3 parts of acrylamide, 6 parts of vegetable oil, 25 parts of organic pigment, 15 parts of organic solvent, 2 parts of plasticizer, 10 parts of drying agent, 2 parts of lubricant, 6 parts of catalyst, 2 parts of antioxidant, 1 part of minium and 5 parts of moxa.

5. The special low-temperature curing resin stamp-pad ink and the preparation method thereof according to claim 1, wherein: the catalyst is set to be sodium hydroxide.

6. The special low-temperature curing resin stamp-pad ink and the preparation method thereof according to claim 1, wherein: the vegetable oil is soybean oil and castor oil.

7. The special low-temperature curing resin stamp-pad ink and the preparation method thereof according to claim 1, wherein: the method comprises the following specific steps:

s1, sequentially adding metered acrylamide and metered antioxidant into a reaction container, heating, raising the temperature, washing with an aqueous solution of the acrylamide, adding a little ethyl acetate into the excess acrylamide to promote complete decomposition of the excess acrylamide, and then obtaining relatively pure hydroxymethyl acrylamide;

s2, grinding kaolin into fine powder according to a proper proportion, burning the fine powder to a part, and filling water according to a proper proportion for wetting until the color deepens, wherein the sodium hydroxide component is not less than 66%, and the mass ratio of calcium oxide to silicon oxide is not less than 2;

s3, neutralizing the organic pigment with an alkaline organic solvent, removing saccharides through biological fermentation, evaporating and drying to obtain a powdery organic pigment, and filling the kaolin powder with the deepened color with a lubricant in an internal mixing mode;

s4, mixing the pre-reacted organic pigment and kaolin powder with gypsum powder and acrylamide, placing the minium, the photosensitive resin, the plasticizer and the drying agent on a rolling machine, and repeatedly rolling for multiple times to obtain a mashed shape;

s5, mixing moxa, photosensitive resin and organic pigment into the other rolling mill, adding a plasticizer and a desiccant lubricant in equal proportion, adding an antioxidant, and adding a catalyst in equal proportion for reaction after absorption is completed;

s6, collecting the material products on a rolling machine in a reaction kettle, adding a catalyst and a drying agent, adding an antioxidant for 1-2 times when the heating temperature is 150-170 ℃, and stirring for 50-70min when the temperature rises to 190-200 ℃;

and S7, sampling after stirring, detecting color, preserving at constant temperature after reaching qualified conditions, adding castor oil, mixing to enhance viscosity, discharging, filtering and vacuum packaging.

8. The special low-temperature curing resin stamp-pad ink and the preparation method thereof according to claim 1, wherein: the difference of the condensation time of the antioxidant is plus or minus 40min, the stirring of the antioxidant and the plasticizer is prolonged by 5min, and the antioxidant, the lubricant and the photosensitive resin are subjected to heat insulation storage at the temperature of between 70 and 100 ℃ after the stirring of the antioxidant, the lubricant and the photosensitive resin is finished.

9. The special low-temperature curing resin stamp-pad ink and the preparation method thereof according to claim 1, wherein: the reaction kettle needs to be preheated to 70-90 ℃ before working, the mixing time of the kaolin powder, the minium and the castor oil is maintained at 40min, the mixing time of the organic pigment, the organic solvent and the catalyst is maintained at 50-60min, and the mixed materials are cooled to 70 ℃ for storage and addition of other raw materials.

10. The physical and chemical indexes of the special low-temperature curing resin stamp-pad ink as claimed in claim 1 are as follows: the solid content is 70.0-73.0%, and the viscosity is 1500-3000mPa.s (25 ℃).

Technical Field

The invention relates to the technical field of resin stamp-pad ink, in particular to special low-temperature curing resin stamp-pad ink and a preparation method thereof.

Background

The stamp-pad ink is used as stamp-pad ink and can be applied to paper, skin, etc. by stamping. The stamp-pad ink applicable to the skin is mainly applied to two aspects, on one hand, the stamp-pad ink can be applied to the skin of a human body, particularly in places such as large-scale exhibition halls, amusement parks and the like, and the stamp-pad ink covered on the arms of tourists can replace tickets to be used as entry evidences, so that the tourists can conveniently go in and out for many times, and the phenomenon of one ticket and multiple persons can be avoided; on the other hand, the kit can be applied to animal skins, particularly can be used as a qualified inspection mark in quarantine inspection in a slaughtering link, and has an important role in quality safety supervision of products such as livestock and poultry. The stamp-pad ink applied to the two aspects needs to have the characteristics of healthy formula, easiness in coloring, bright color, firmness in coloring and the like, and meanwhile, the stamp-pad ink can be washed clean by water without affecting the beauty and health of skin.

However, the existing resin stamp-pad ink has long manufacturing time and high risk in the production and construction process, easily damages the pasted components, causes component loss and high energy consumption cost, and has long time required for complete curing at normal temperature, so that the structural strength of the resin stamp-pad ink is not completely reflected, and therefore, a special low-temperature curing resin stamp-pad ink and a preparation method thereof are needed.

Disclosure of Invention

The invention aims to provide a special low-temperature curing resin stamp-pad ink and a preparation method thereof, and aims to solve the problems that the existing resin in the background art has long manufacturing time, high risk in the production and construction process, high loss of components and high energy consumption cost due to easy damage of pasted components, and the structural strength of the resin stamp-pad ink is not completely reflected due to too long time required for complete curing at normal temperature.

In order to achieve the purpose, the invention provides the following technical scheme: a special low-temperature curing resin stamp-pad ink and a preparation method thereof are disclosed, which comprises the following components in parts by weight: 10-25 parts of photosensitive resin, 15-35 parts of kaolin, 2-6 parts of acrylamide, 5-10 parts of vegetable oil, 25-40 parts of organic pigment, 15-35 parts of organic solvent, 2-5 parts of plasticizer, 10-20 parts of drying agent, 2-4 parts of lubricant, 6-8 parts of catalyst, 1-3 parts of antioxidant, 1-2 parts of minium and 5-15 parts of moxa.

Preferably, the coating comprises 20 parts of photosensitive resin, 25 parts of kaolin, 6 parts of acrylamide, 10 parts of vegetable oil, 35 parts of organic pigment, 30 parts of organic solvent, 4 parts of plasticizer, 20 parts of drying agent, 4 parts of lubricant, 8 parts of catalyst, 3 parts of antioxidant, 2 parts of minium and 15 parts of moxa.

Preferably, the coating comprises 15 parts of photosensitive resin, 20 parts of kaolin, 5 parts of acrylamide, 8 parts of vegetable oil, 30 parts of organic pigment, 20 parts of organic solvent, 3 parts of plasticizer, 15 parts of drying agent, 3 parts of lubricant, 7 parts of catalyst, 2 parts of antioxidant, 2 parts of minium and 10 parts of moxa.

Preferably, the coating comprises 10 parts of photosensitive resin, 15 parts of kaolin, 3 parts of acrylamide, 6 parts of vegetable oil, 25 parts of organic pigment, 15 parts of organic solvent, 2 parts of plasticizer, 10 parts of drying agent, 2 parts of lubricant, 6 parts of catalyst, 2 parts of antioxidant, 1 part of minium and 5 parts of moxa.

Preferably, the catalyst is provided as sodium hydroxide.

Preferably, the vegetable oil is selected from soybean oil and castor oil.

A special low-temperature curing resin stamp-pad ink and a preparation method thereof, which comprises the following steps:

s1, sequentially adding metered acrylamide and metered antioxidant into a reaction container, heating, raising the temperature, washing with an aqueous solution of the acrylamide, adding a little ethyl acetate into the excess acrylamide to promote complete decomposition of the excess acrylamide, and then obtaining relatively pure hydroxymethyl acrylamide;

s2, grinding kaolin into fine powder according to a proper proportion, burning the fine powder to a part, and filling water according to a proper proportion for wetting until the color deepens, wherein the sodium hydroxide component is not less than 66%, and the mass ratio of calcium oxide to silicon oxide is not less than 2;

s3, neutralizing the organic pigment with an alkaline organic solvent, removing saccharides through biological fermentation, evaporating and drying to obtain a powdery organic pigment, and filling the kaolin powder with the deepened color with a lubricant in an internal mixing mode;

s4, mixing the pre-reacted organic pigment and kaolin powder with gypsum powder and acrylamide, placing the minium, the photosensitive resin, the plasticizer and the drying agent on a rolling machine, and repeatedly rolling for multiple times to obtain a mashed shape;

s5, mixing moxa, photosensitive resin and organic pigment into the other rolling mill, adding a plasticizer and a desiccant lubricant in equal proportion, adding an antioxidant, and adding a catalyst in equal proportion for reaction after absorption is completed;

s6, collecting the material products on a rolling machine in a reaction kettle, adding a catalyst and a drying agent, adding an antioxidant for 1-2 times when the heating temperature is 150-170 ℃, and stirring for 50-70min when the temperature rises to 190-200 ℃;

and S7, sampling after stirring, detecting color, preserving at constant temperature after reaching qualified conditions, adding castor oil, mixing to enhance viscosity, discharging, filtering and vacuum packaging.

Preferably, the difference of the condensation time of the antioxidant is plus or minus 40min, the stirring of the antioxidant and the plasticizer is prolonged by 5min, and the antioxidant, the lubricant and the photosensitive resin are subjected to heat insulation storage at 70-100 ℃ after the stirring of the antioxidant, the lubricant and the photosensitive resin is finished.

Preferably, the reaction kettle needs to be preheated to 70-90 ℃ before working, the mixing time of the kaolin powder, the minium and the castor oil is maintained at 40min, the mixing time of the organic pigment, the organic solvent and the catalyst is maintained at 50-60min, and the mixed materials are cooled to 70 ℃ for storage and addition of other raw materials.

Preferably, the physical and chemical indexes of the special low-temperature curing resin stamp-pad ink are as follows: the solid content is 70.0-73.0%, and the viscosity is 1500-3000mPa.s (25 ℃).

Compared with the prior art, the invention has the beneficial effects that:

1. the special low-temperature curing resin stamp-pad ink comprises the following components: the material is divided into two parts which are respectively subjected to mixing reaction, one part is a main resin material, the other part is a pigment, and phenolic substances and formaldehyde are not used in the manufacturing process, so that various properties of the resin oil are achieved, and the use requirement of the environment-friendly offset printing ink is met;

2. the preparation method of the special low-temperature curing resin stamp-pad ink comprises the following steps: in the preparation process, the lubricant is mixed with organic pigment molecules at high temperature, the organic pigment molecules and the lubricant are sequentially in a colloid state at constant temperature, and vegetable oil is added again for stirring and diluting, so that the bonding effect of the organic pigment and the lead powder can be enhanced, the amount of gas generated on the surface of the photosensitive resin during the thermoforming process can be further reduced, the surface characteristics and surface gloss of the stamp-pad ink can be improved, and the moxa and the resin raw material are added for mixing, textile articles can be printed, the integral viscosity of the stamp-pad ink is ensured, even in the printing processing of metal or glass, the adhesiveness can be still maintained, the problems of adhesion, peeling and poor printing quality are avoided, the catalytic reaction is carried out in a proper time, so that the resin stamp-pad ink can not generate harmful gas, thereby increasing the overall practicability.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: the composite material comprises the following components in parts by weight: 10-25 parts of photosensitive resin, 15-35 parts of kaolin, 2-6 parts of acrylamide, 5-10 parts of vegetable oil, 25-40 parts of organic pigment, 15-35 parts of organic solvent, 2-5 parts of plasticizer, 10-20 parts of drying agent, 2-4 parts of lubricant, 6-8 parts of catalyst, 1-3 parts of antioxidant, 1-2 parts of minium and 5-15 parts of moxa.

Example 1

20 parts of photosensitive resin, 25 parts of kaolin, 6 parts of acrylamide, 10 parts of vegetable oil, 35 parts of organic pigment, 30 parts of organic solvent, 4 parts of plasticizer, 20 parts of drying agent, 4 parts of lubricant, 8 parts of catalyst, 3 parts of antioxidant, 2 parts of minium and 15 parts of moxa.

Example 2

15 parts of photosensitive resin, 20 parts of kaolin, 5 parts of acrylamide, 8 parts of vegetable oil, 30 parts of organic pigment, 20 parts of organic solvent, 3 parts of plasticizer, 15 parts of drying agent, 3 parts of lubricant, 7 parts of catalyst, 2 parts of antioxidant, 2 parts of minium and 10 parts of moxa.

Example 3

10 parts of photosensitive resin, 15 parts of kaolin, 3 parts of acrylamide, 6 parts of vegetable oil, 25 parts of organic pigment, 15 parts of organic solvent, 2 parts of plasticizer, 10 parts of drying agent, 2 parts of lubricant, 6 parts of catalyst, 2 parts of antioxidant, 1 part of minium and 5 parts of moxa.

The catalyst was set to sodium hydroxide.

The vegetable oil is soybean oil and castor oil.

A special low-temperature curing resin stamp-pad ink and a preparation method thereof, which comprises the following steps:

s1, sequentially adding metered acrylamide and metered antioxidant into a reaction container, heating, raising the temperature, washing with an aqueous solution of the acrylamide, adding a little ethyl acetate into the excess acrylamide to promote complete decomposition of the excess acrylamide, and then obtaining relatively pure hydroxymethyl acrylamide;

s2, grinding kaolin into fine powder according to a proper proportion, burning the fine powder to a part, and filling water according to a proper proportion for wetting until the color deepens, wherein the sodium hydroxide component is not less than 66%, and the mass ratio of calcium oxide to silicon oxide is not less than 2;

s3, neutralizing the organic pigment with an alkaline organic solvent, removing saccharides through biological fermentation, evaporating and drying to obtain a powdery organic pigment, and filling the kaolin powder with the deepened color with a lubricant in an internal mixing mode;

s4, mixing the pre-reacted organic pigment and kaolin powder with gypsum powder and acrylamide, placing the minium, the photosensitive resin, the plasticizer and the drying agent on a rolling machine, and repeatedly rolling for multiple times to obtain a mashed shape;

s5, mixing moxa, photosensitive resin and organic pigment into the other rolling mill, adding a plasticizer and a desiccant lubricant in equal proportion, adding an antioxidant, and adding a catalyst in equal proportion for reaction after absorption is completed;

s6, collecting the material products on a rolling machine in a reaction kettle, adding a catalyst and a drying agent, adding an antioxidant for 1-2 times when the heating temperature is 150-170 ℃, and stirring for 50-70min when the temperature rises to 190-200 ℃;

and S7, sampling after stirring, detecting color, preserving at constant temperature after reaching qualified conditions, adding castor oil, mixing to enhance viscosity, discharging, filtering and vacuum packaging.

The difference of the condensation time of the antioxidant is 40min plus or minus, the stirring of the antioxidant and the plasticizer is prolonged by 5min, and the antioxidant, the lubricant and the photosensitive resin are subjected to heat insulation storage at the temperature of 70-100 ℃ after the stirring of the antioxidant, the lubricant and the photosensitive resin is finished.

The reaction kettle needs to be preheated to 70-90 ℃ before working, the mixing time of the kaolin powder, the minium and the castor oil is maintained at 40min, the mixing time of the organic pigment, the organic solvent and the catalyst is maintained at 50-60min, and the mixed materials are cooled to 70 ℃ for storage and addition of other raw materials.

The physical and chemical indexes of the special low-temperature curing resin stamp-pad ink are as follows: the solid content is 70.0-73.0%, and the viscosity is 1500-3000mPa.s (25 ℃).

Performance testing

The performance of the resin stamp-pad ink obtained in examples 1 to 3 was tested, and the existing resin stamp-pad ink on the market was used as a comparative example, and the test data is recorded in the following table:

detecting items	Tinting strength (%)	Transfer effect	Scratch-resistant marking	Drying speed(s)	Light fastness
						Example one	80％	Superior food	Is stronger	6～8	Stage 7
Example two	70％	Good wine	Is stronger	5～9	Stage 7
						EXAMPLE III	90％	Superior food	High strength	2～3	Stage 8
Comparative example	70％	Good wine	Is stronger	5～9	Grade 6

In summary, in the first to third embodiments, the indexes of the resin stamp-pad ink prepared in the third embodiment are better than those of the other embodiments and comparative examples, the tinting strength of the raw material is extremely high, the scratch resistance of the stamp mark is strong, the drying time of the glass stamp-pad ink after being coated is shortest, and the second drying of the glass stamp-pad ink can be realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.