A kind of aqueous solid forming agent and preparation method thereof
A solid molding agent and a technology for the production method, which can be used in pencil leads, household utensils, writing utensils, etc., can solve the problems of slag removal, instability, and soft products, and achieve improved adhesion, good hardness, extended shelf life and use. effect of life
Active Publication Date: 2018-05-25
佛山市顺德区擎天塑料制品有限公司
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Problems solved by technology
[0004] The object of the present invention is to provide a water-based solid forming agent and a preparation method thereof, aiming at solving the problems that the existing water-based solid correction pens and water-based crayons use sodium stearate as a forming agent and the products are soft, slag-dropped and unstable
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[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0024] An aqueous solid molding agent, according to mass percentage, comprising:
[0025] Modified rosin: 28%;
[0026] Stearic acid: 60%;
[0027] Pentaerythritol: 10%;
[0028] Refined Paraffin: 2%.
[0029] like figure 1 As shown, a kind of preparation method of the above-mentioned aqueous solid molding agent, specifically comprises the following steps:
[0030] Step S100: adding the modified rosin, stearic acid and refined paraffin into the reactor according to the composition formula, and stirring at constant temperature;
[0031] Step S200: adding pentaerythritol to the reaction kettle and stirring regularly at constant temperature to obtain a semi-finished product whose hardness reaches the requirement;
[0032] Step S300: ...
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The invention discloses a waterborne solid forming agent and a manufacturing method thereof. The waterborne solid forming agent is prepared from 28% of modified rosin, 60% of stearic acid, 10% of pentaerythritol and 2% of refined paraffin. The softening point of waterborne solid products is increased, hydroxide radicals of pentaerythritol react with modified rosin, hydroxide radicals and stearic acid permeate through each other, and then the softening point of stearic acid is increased. Oil and water are wrapped together through paraffin, and therefore moisture is not likely to volatilize. Meanwhile, the bonding strength is improved by conducting secondary modification on rosin, and the adhesiveness of water-borne solid products to paper is improved by combining rosin with acrylic resin and acrylic emulsion. Paper is smoothly and easily smeared with waterborne solid products, and waterborne solid products are bright in color and stable and high in hardness after being solidified; mainly, solid resin plays a role of frameworks in waterborne solid products, oil phases and water phases of waterborne solid products have affinity, and the quality guarantee periods and the service life of waterborne solid correction pens and waterborne stearic acid crayon are prolonged.
Description
technical field [0001] The invention relates to a solid molding agent, in particular to an aqueous solid molding agent and a preparation method thereof. Background technique [0002] The water-based crayon is composed of water, sodium stearate, glycerin, and water-based color paste, heated to a liquid state, and filled in a template with a pen holder to obtain the product. However, acrylic resin and acrylic emulsion in acrylic water-based crayons make sodium stearate react and become unstable; and sodium stearate acts as a molding agent to make the product soft and slag off, especially after the product is placed for a few days. Stable and soft, loose, can not meet the requirements of use. [0003] Therefore, the existing technology still needs to be improved and developed. SUMMARY OF THE INVENTION [0004] The object of the present invention is to provide a kind of water-based solid molding agent and preparation method thereof, aiming to solve the problems that the exis...
Claims
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IPC IPC(8): C09D13/00B43K29/05
CPCB43K29/05C09D13/00
Inventor 姜飞阳向阳
Owner 佛山市顺德区擎天塑料制品有限公司