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Preparation method of acrylic modified rosin glyceride resin

A technology of rosin glycerin ester and rosin glycerin, which is applied in the field of deep processing of rosin, can solve the problems of product types and preparation methods without major progress, slow reaction, long time consumption, etc., and achieve the effect of high softening point, stable reaction and accelerated reaction speed

Inactive Publication Date: 2013-03-13
李先兰
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Problems solved by technology

In recent decades, in terms of deep processing of rosin, there has been no major progress in its product types and preparation methods; the preparation methods of existing technology products have shortcomings such as slow reaction and long time consumption.
[0003] Through the search of China's public patents, 416 related invention patents and 64 utility model patents were found, but no solution identical to this patent application was found

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  • Preparation method of acrylic modified rosin glyceride resin

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Embodiment

[0008] The preparation method of the acrylic acid-modified rosin glyceride resin of the present invention optimizes the proportion of materials, increases the catalyst, makes the reaction speed more than 3-5 times faster, and reacts at a lower temperature through the method of enriching polyols, so that the reaction becomes more efficient. It is stable, moderate and easy to control, so as to obtain light-colored and high-quality products. It has the characteristics of light color and high softening point. It is used in industrial sectors such as paints, inks, synthetic resins, adhesives, electronics, and chemicals. , Alcohol reaction can be made into light-colored phenolic resin and various rosin resins.

[0009] The preparation method of the acrylic acid modified rosin glyceride resin of the present invention is characterized in that: the material ratio is, rosin: acrylic acid: the molar ratio of glycerin is 1:0.3:0.5; Its technology comprises the following steps, the rosin is...

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Abstract

The invention discloses a preparation method of an acrylic modified rosin glyceride resin. The mole ratio of the rosin to the acrylic acid to the glycerol is 1:0.3:0.5. A process comprises the following steps of: heating and fusing the rosin in the presence of inert gases, heating to 180-200 DEG C, controlling the dropping of the acrylic acid at a speed of finishing adding in 45-50 minutes, adding 1-1.6 parts of glycerol and zinc oxide, heating to 250-260 DEG C and reacting for 80-90 minutes to obtain products. The acrylic modified rosin glyceride resin has the characteristics of light color and high softening point and the like, can be used in industrial departments such as paint, ink, synthetic resin, adhesives, electron, chemical industry and the like and also can be reacted with phenolic aldehydes and alcohols for preparing light-colored phenolic resins and various abietins.

Description

technical field [0001] The invention belongs to a rosin deep processing method. Background technique [0002] Rosin is a rich renewable resource in my country, with an annual output of more than 600,000 tons, ranking first in the world. It is composed of a series of resin acids, with a unique chemical structure and multiple chiral centers. The carboxyl group and phenanthrene ring skeleton in the structure can undergo a series of chemical modifications, and it is a natural chiral source material. Rosin can be chemically modified to obtain a series of deep-processing products, which are widely used in various fields in daily life and play a pivotal role in the development of the national economy. The value of these deep-processed products is 2-10 times or even dozens of times higher than that of raw material rosin. At present, my country mainly earns foreign exchange by exporting gum rosin. my country is the country with the largest export volume of gum rosin, accounting for...

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Application Information

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IPC IPC(8): C09F1/04
Inventor 张健吴润秀王晶张雅静李杰李安平李先兰严积芳
Owner 李先兰
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