CN103694793A - White board dry-cleaning ink and preparation method thereof - Google Patents

Abstract

The invention discloses a white board dry-cleaning ink and a preparation method of the white board dry-cleaning ink, belonging to the technical field of inks. The white board dry-cleaning ink comprises the following raw materials: 8-25 parts of natural pigment, 1-5 parts of graphite powder, 0.2-5 parts of oxalic acid, 5-20 parts of esterified rosin, 1-4 parts of chitosan, 2-8 parts of Arabic gum, 2-8 parts of talcum powder, 2-8 parts of attapulgite, 10-25 parts of film-forming agent, 3-15 parts of surfactant, 5-15 parts of ethyl alcohol, and 90-200 parts of soft water. The ink takes the natural pigment and the innoxious substances as the raw materials to prepare the white board dry-cleaning ink, the formula is simple, the cost is low, the white board dry-cleaning ink is environment-friendly and non-toxic, and the preparation process is simple and convenient. The white board ink prepared according to the formula and the method is stable in performances, soft in color, and smooth in writing, and can be cleaned by a dry duster cloth.

Description

A kind of dry-erase white board ink and preparation method thereof

Technical field

The present invention relates to ink technology field, especially a kind of dry-erase white board ink and preparation method thereof.

Background technology

For a long time, chalk dust from flying when writing and wipe for conventional teaching, pollutes teaching environment, and harm teachers and students are healthy.For solving above dust pollution question, there is in the market multiple Dustless writing board ink, ink is injected to supporting lettering pen, on supporting Dustless writing board, write, can replace chalk to be used for teaching board, office account, improve this situation of dust pollution, improved teaching environment; Wherein perfusion is mostly water-base ink, the advantage such as that this ink has is dustless, easily wipe.The patent No. is that 200610098357.3 patent discloses a kind of white board pen ink, adds organic solvent, and in the process of writing, organic solvent volatilizees to environment, and human body is damaged.Existing liquid ink adopts chemical industry synthetic dyestuff or dyestuff more, and adds organic solvent, and life-time service contact human body, has a negative impact to teachers ' health; And the problem that ubiquity package stability is poor, in ink, effective constituent easily precipitates, and occurs writing not smooth, and the font color depth is uneven, even stops up written situation, to teaching, brings a lot of inconvenience.And existing a lot of ink for whiteboard needs special wiping solution to wipe, or needs liquid to wipe, and uses cumbersome.Although had at present can xerotripsis ink for whiteboard, also have some shortcomings: color and luster is dim, and writing effect is bad, contain toxic substance, wipe effect bad etc.

Summary of the invention

The invention provides a kind of dry-erase white board ink and preparation method thereof, this ink be take natural pigment and non-toxic substance and is prepared xerotripsis type ink for whiteboard as raw material, formula is simple, cheap, environment-protecting asepsis, and preparation technology is easy, the ink for whiteboard stable performance of preparing with this formula and method, color is soft, and fluent writing is just erasable with dry wipe.

The technical scheme that technical solution problem of the present invention is taked is:

A dry-erase white board ink, is characterized in that, by the raw material of following weight part, is made:

Natural pigment 8-25 part, Graphite Powder 99 1-5 part, borneol 0.2-2 part, oxalic acid 0.2-5 part, esterified rosin 5-20 part, chitosan 1-4 part, Sudan Gum-arabic 2-8 part, carpenter's glue 1-4 part, talcum powder 2-8 part, attapulgite 2-8 part, membrane-forming agent 10-25 part, tensio-active agent 3-15 part, ethanol 5-15 part, 90 ~ 200 parts of soft water;

Described membrane-forming agent is ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, aminoresin;

Described tensio-active agent is Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, emulsifying agent T-80.

Sodium dodecylbenzene sulfonate: be also called tetrapropylene benzene sodium sulfonate, white or faint yellow powdery or chip solid.Water-solublely form translucent solution.Main as tensio-active agent.Vltra tears: this product safety non-toxic, can make foodstuff additive, empty calory, contacts non-stimulated to skin, mucous membrane.In ink industry, as thickening material, dispersion agent and stablizer, in water or organic solvent, all there is good intermiscibility.S-20 emulsifying agent: sorbitol anhydride oleate, amber have fatty smell to brown oily liquids, nontoxic.Be mainly used in the industries such as makeup, weaving, medicine, paint, oil, fiery explosive, make emulsifying agent, solubilizing agent, stablizer, lubricant, softening agent, static inhibitor, finishing composition, dispersion agent, solubility promoter, rust-preventive agent, spinning assistant etc.Emulsifying agent T-80: polyoxyethylene (20) sorbitan carboxylic esters, can be in field of food industry as emulsifying agent.

Preferably, described ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, the weight ratio of aminoresin is 6:4:2:1:3.

Preferably, described Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, the weight ratio of emulsifying agent T-80 is 10:2:0.1:4.

Preferably, described natural pigment is pine soot, ochre, and hide glue, ochre, malachite green, azurite, cyanine, gamboge, orpiment, eosin, kermes, bright red, one or more of Zhu Piao.

The present invention also provides a kind of preparation method of dry-erase white board ink, it is characterized in that, comprises the following steps:

1. according to above-mentioned weight part, take raw material;

2. the natural pigment, Graphite Powder 99, borneol, chitosan, talcum powder, the attapulgite that step are taken in are 1. crushed to particle diameter < 100nm, then add oxalic acid, soft water, grind, stir, then ultrasonic 10-40min, obtains mixture one;

3. esterified rosin, Sudan Gum-arabic, carpenter's glue, membrane-forming agent, ethanol, tensio-active agent are mixed, obtain mixture two;

4. mixture one is slowly added to mixture two, stir while adding, stir 30-60min after adding completely again, standing 1h, can obtain dry-erase white board ink.

Beneficial effect of the present invention:

(1) dry-erase white board ink of the present invention be take natural pigment to prepare xerotripsis type ink for whiteboard color soft, bright as raw material, and formula is simple, stable performance, fluent writing, cheap, also there is fire retardation, and environment-protecting asepsis, can not produce health harm to user.

(2) dry-erase white board ink of the present invention is for white board marker, and after writing on blank, writing forms even rete, just erasable with dry wipe, and can not leave on clipboard surface visible and/or coloured remaining trace.

(3) dry-erase white board stability of ink of the present invention is better, more than the time of raising one's hat can reach 24h; Person's handwriting is even, without flake phenomenon; After use, do not produce powder.

Embodiment

Embodiment 1

A dry-erase white board ink, color: black, by the raw material of following weight part, made:

15 parts of pine soots, 2 parts of Graphite Powder 99s, 2 parts of borneols, 2 parts of oxalic acid, 10 parts of esterified rosins, 2 parts of chitosans, 5 parts of Sudan Gum-arabics, 4 parts of carpenter's glues, 3 parts of talcum powder, 3 parts of attapulgites, 10 parts of membrane-forming agents, 10 parts, tensio-active agent, 10 parts of ethanol, 180 parts of soft water;

Wherein, membrane-forming agent: ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, the weight ratio of aminoresin is 6:4:2:1:3; Tensio-active agent: Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, the weight ratio of emulsifying agent T-80 is 10:2:0.1:4.

The preparation method of above-mentioned black dry-erase white board ink, comprises the following steps:

1. according to above-mentioned weight part, take raw material;

2. the pine soot, Graphite Powder 99, borneol, chitosan, talcum powder, the attapulgite that step are taken in are 1. crushed to particle diameter < 100nm, then add oxalic acid, soft water, grind, stir, and then ultrasonic 10-40min, obtains mixture one;

3. esterified rosin, Sudan Gum-arabic, carpenter's glue, membrane-forming agent, ethanol, tensio-active agent are mixed, obtain mixture two;

4. mixture one is slowly added to mixture two, stir while adding, stir 30-60min after adding completely again, standing 1h, can obtain black dry-erase white board ink.

Embodiment 2

A dry-erase white board ink, color: brown, by the raw material of following weight part, made:

8 parts of pine soots, 10 parts of ochres, 1 part of Graphite Powder 99,0.8 part of borneol, 2 parts of oxalic acid, 10 parts of esterified rosins, 2 parts of chitosans, 6 parts of Sudan Gum-arabics, 3 parts of carpenter's glues, 3 parts of talcum powder, 3 parts of attapulgites, 10 parts of membrane-forming agents, 10 parts, tensio-active agent, 10 parts of ethanol, 190 parts of soft water;

Wherein, membrane-forming agent: the weight ratio of ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, aminoresin is 6:4:2:1:3; Tensio-active agent: Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, the weight ratio of emulsifying agent T-80 is 10:2:0.1:4.

The preparation method of above-mentioned brown dry-erase white board ink, comprises the following steps:

1. according to above-mentioned weight part, take raw material;

2. the pine soot, ochre, Graphite Powder 99, borneol, chitosan, talcum powder, the attapulgite that step are taken in are 1. crushed to particle diameter < 100nm, then add oxalic acid, soft water, grind, stir, then ultrasonic 10-40min, obtains mixture one;

3. esterified rosin, Sudan Gum-arabic, carpenter's glue, membrane-forming agent, ethanol, tensio-active agent are mixed, obtain mixture two;

4. mixture one is slowly added to mixture two, stir while adding, stir 30-60min after adding completely again, standing 1h, can obtain brown dry-erase white board ink.

Embodiment 3

A dry-erase white board ink, color: soil Red, by the raw material of following weight part, made:

15 parts of Zhu's fats, 2 parts, kermes, 10 parts of ochres, 1 part of Graphite Powder 99,1 part of borneol, 2 parts of oxalic acid, 10 parts of esterified rosins, 2 parts of chitosans, 8 parts of Sudan Gum-arabics, 1 part of carpenter's glue, 3 parts of talcum powder, 3 parts of attapulgites, 10 parts of membrane-forming agents, 10 parts, tensio-active agent, 12 parts of ethanol, 185 parts of soft water;

Wherein, membrane-forming agent: the weight ratio of ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, aminoresin is 6:4:2:1:3; Tensio-active agent: Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, the weight ratio of emulsifying agent T-80 is 10:2:0.1:4.

The preparation method of above-mentioned soil Red dry-erase white board ink, comprises the following steps:

1. according to above-mentioned weight part, take raw material;

2. the pine soot, ochre, Graphite Powder 99, borneol, chitosan, talcum powder, the attapulgite that step are taken in are 1. crushed to particle diameter < 100nm, then add oxalic acid, soft water, grind, stir, then ultrasonic 10-40min, obtains mixture one;

3. esterified rosin, Sudan Gum-arabic, carpenter's glue, membrane-forming agent, ethanol, tensio-active agent are mixed, obtain mixture two;

4. mixture one is slowly added to mixture two, stir while adding, stir 30-60min after adding completely again, standing 1h, can obtain soil Red dry-erase white board ink.

The ink that embodiment 1, embodiment 2 and embodiment 3 are made, is respectively charged in white board marker, and choose commercially available black white board marker is comparative example 1 simultaneously, and commercially available brown white board marker is comparative example 2, and commercially available soil Red white board marker is comparative example 3.

Use the white board marker of embodiment 1-3 and white board marker writing on the blackboard on clipboard of comparative example 1-3, observe its color, fluent writing etc., embodiment 1-3 person's handwriting forms even rete on clipboard, then uses dry wipe wiping, observes its wiping effect, when embodiment 1-3 wipes, rete comes off, the observation rete softness that comes off, thinner, and comparative example 1-3 person's handwriting is rough soft, wipe the difficulty compared with embodiment 1-3, and easily have residual; White board marker nib is exposed to 24 hours under normal temperature laboratory, observe anti-dry time of nib and stability of ink etc.

Concrete outcome is as shown in table 1 below:

Table 1 performance test data

From table 1, the font color that ink of the present invention is write is soft lucid and lively, easypro order is refreshed oneself, pre-myopia prevention, product is long placed in stable performance, fluent writing, and Convenient scrubber removes, indices meets Q/XZB002-2009 < < clipboard special-purpose ink > > standard-required, is particularly suitable for protecting teaching writing board and uses.

Claims (5)

1. a dry-erase white board ink, is characterized in that, by the raw material of following weight part, is made:

Natural pigment 8-25 part, Graphite Powder 99 1-5 part, borneol 0.2-2 part, oxalic acid 0.2-5 part, esterified rosin 5-20 part, chitosan 1-4 part, Sudan Gum-arabic 2-8 part, carpenter's glue 1-4 part, talcum powder 2-8 part, attapulgite 2-8 part, membrane-forming agent 10-25 part, tensio-active agent 3-15 part, ethanol 5-15 part, soft water 90-200 part;

Described membrane-forming agent is ethylene-vinyl acetate copolymer, hydroxypropylcellulose, Yelkin TTS, gelatin, aminoresin;

Described tensio-active agent is Sodium dodecylbenzene sulfonate, Vltra tears, emulsifying agent S-80, emulsifying agent T-80.

2. a kind of dry-erase white board ink according to claim 1, is characterized in that, described ethylene-vinyl acetate copolymer, and hydroxypropylcellulose, Yelkin TTS, gelatin, the weight ratio of aminoresin is 6:4:2:1:3.

3. a kind of dry-erase white board ink according to claim 1, is characterized in that, described Sodium dodecylbenzene sulfonate, and Vltra tears, emulsifying agent S-80, the weight ratio of emulsifying agent T-80 is 10:2:0.1:4.

4. a kind of dry-erase white board ink according to claim 1, is characterized in that, described natural pigment is pine soot, ochre, and hide glue, ochre, malachite green, azurite, cyanine, gamboge, orpiment, eosin, kermes, bright red, one or more of Zhu Piao.

5. a preparation method for the dry-erase white board ink described in the arbitrary claim of claim 1-4, is characterized in that, comprises the following steps:

1. according to the weight part described in claim 1-4, take raw material;

2. the natural pigment, Graphite Powder 99, borneol, chitosan, talcum powder, the attapulgite that step are taken in are 1. crushed to particle diameter < 100nm, then add oxalic acid, soft water, grind, stir, then ultrasonic 10-40min, obtains mixture one;

3. esterified rosin, Sudan Gum-arabic, carpenter's glue, membrane-forming agent, ethanol, tensio-active agent are mixed, obtain mixture two;

4. mixture one is slowly added to mixture two, stir while adding, stir 30-60min after adding completely again, standing 1h, can obtain dry-erase white board ink.