Reversible temperature change erasable neutral ink composition and its manufacturing method

A technology of neutral ink and composition, applied in the directions of ink, household utensils, applications, etc., can solve the problems of poor fastness of erasable neutral pens, difficult to control particle uniformity, poor fastness, etc., and achieve excellent reproducibility. Effect of writing performance, long-term erasability, excellent writing performance

Inactive Publication Date: 2013-08-21
SHANGHAI XINYUAN STATIONERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first is the oil-soluble eraser-erasable ballpoint pen ink that wraps the dye with a polymer rubber substance and uses a volatile organic solvent as a carrier. Because it uses a volatile organic solvent, it is not safe to use and is not environmentally friendly.
[0005] The second is the magic gel pen ink. This kind of ink uses chemical reaction, acid-base neutralization principle to make it develop color --- achromatic, so there are usually two pens, one (including acid ink) for pen For writing color development, use another pen (containing alkaline reagent) to wipe when it needs to be modified, to achieve acid-base neutralization and make the color fade away, and it cannot be reused on the same wrong font position. Two inks of this kind It is inconvenient to carry the pen, and when used, a chemical reaction occurs, which is unsafe and environmentally friendly
Although this kind of ink can be erased w...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The invention discloses a preparation method of reversible temperature-changing erasable neutral ink.

[0052] A kind of reversible temperature-changing erasable neutral ink, it comprises the steps:

[0053] (a) 30 parts by weight of reversible temperature-changing microcapsules wrapped by acrylic resin;

[0054] (b) 2 parts by weight of konjac gum;

[0055] (c) 1 part by weight of triethanolamine;

[0056] (d) 10 parts by weight of glycerin;

[0057] (c) 0.5 parts by weight of anticorrosion and antifungal agent;

[0058] (f) 14.5 parts by weight of deionized water;

[0059] Above-mentioned mixing obtains mixture; The weight sum of the above-mentioned components accounts for 96% of the total weight of the components. In the above composition, 4% of other additives can also be contained, calculated on the basis of the total weight of the reversible temperature-changing erasable neutral ink composition, the type and composition of the additives are not particularly lim...

Embodiment 2

[0067] A kind of reversible temperature-changing erasable neutral ink, it comprises the steps:

[0068] (a) 50 parts by weight of reversible temperature-changing microcapsules wrapped in polyurethane resin;

[0069] (b) 5 parts by weight of xanthan gum and guar gum;

[0070] (c) 1 weight part of ammoniacal liquor and urea;

[0071] (d) ethylene glycol, polyethylene glycol 20015 parts by weight;

[0072] (c) 0.5 parts by weight of anticorrosion and antifungal agent;

[0073] (f) 50 parts by weight of deionized water;

[0074] The mixture obtained by the above mixing; the weight sum of the above components accounts for 99% of the total weight of the components. In the above composition, 1% of other additives can also be contained, calculated on the basis of the total weight of the reversible temperature-changing erasable neutral ink composition, the type and composition of the additives are not particularly limited, as long as they do not affect the purpose of the present in...

Embodiment 3

[0076] A kind of reversible temperature-changing erasable neutral ink, it comprises the steps:

[0077] (a) Temperature-changing pigments with a particle size of 1 to 50 microns (the temperature range of temperature-changing pigments is -30°C to 80°C; °C) 50 parts by weight;

[0078] (b) 5 parts by weight of gum, acrylic emulsion;

[0079] (c) 5 parts by weight of triethanolamine, ammoniacal liquor and urea;

[0080] (d) polyethylene glycol 400, polyethylene glycol 600, polyethylene glycol 800 20 parts by weight;

[0081] (c) 0.5 parts by weight of anticorrosion and antifungal agent;

[0082] (f) 72.95 parts by weight of deionized water;

[0083] The mixture is obtained by the above mixing; the weight sum of the above components accounts for 100% of the total weight of the components. Based on the total weight of the reversible temperature-changing erasable neutral ink composition, the type and composition of the additives are not particularly limited, as long as they do ...

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PUM

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Abstract

The invention discloses a reversible temperature change erasable neutral ink composition and its manufacturing method. The composition comprises the following components by weight: (a) 30-50 parts of a reversible temperature change pigment; (b) 2-5 parts of a shear thinning viscosity conditioning agent; (c) 0-5 parts of a viscosity stabilizer; (d) 5-20 parts of a moisturizing wetting agent; (e) 0.05-0.5 part of an antiseptic antimildew agent; and (f) 14.5-72.95 parts of deionized water. The total weight of the components (a)-(f) accounts for 95-100% of the total weight of the composition. The neutral ink provided in the invention has excellent writing performance, instantaneous erasability, long time erasability as well as excellent rewriting performance.

Description

technical field [0001] The invention relates to a reversible temperature-changing neutral ink composition, in particular to a reversible temperature-changing erasable neutral ink composition and a manufacturing method thereof. Background technique [0002] At present, erasable hard pen writing instruments on the market are mainly divided into pencils, erasable ballpoint pens, acid-base erasable erasable pens, ordinary eraser erasable gel pens, etc. The handwriting written by other writing tools can be erased and modified. Handwriting is not easy to modify. At present, the latest general eraser erasable gel pen, although it can be erased with an eraser, will leave obvious handwriting after erasing, and after repeated writing, the font will be blurred, which will affect the visual effect; and there are requirements on the choice of paper. In the student's workbook, the fastness is not good, and the handwriting will be blurred when the paper is rubbed. However, if it is used o...

Claims

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Application Information

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IPC IPC(8): C09D11/16
CPCC09D11/50C09D11/037C09D11/17
Inventor 堵亮
Owner SHANGHAI XINYUAN STATIONERY
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