A kind of insoluble and infusible metal-modified cruciform ester compound and preparation method thereof
A metal-modified, cross-shaped technology, applied in the field of metal-modified cross-shaped ester compounds and their preparation, can solve the problems of high solubility and low melting point, ensure rheological properties, reduce the influence of rheological properties, and improve the The effect of promoting value
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Embodiment 1
[0048] A kind of preparation method of insoluble and infusible metal-modified cruciform ester compound, concrete steps are as follows:
[0049] (1) prepare cross-type esterified product;
[0050] (a) Dibasic acid A 2 Mix with pentaerythritol at a molar ratio of 4:1, carry out melt esterification reaction under nitrogen protection and mechanical stirring at a stirring speed of 300rpm, collect the product, obtain DAPER through dissolution, filtration and drying, wherein the temperature of the melt esterification reaction is 200°C, the reaction time is 3h, A 2 The structural formula is:
[0051]
[0052] (b) Dibasic carboxylic acid B 2 Mix with ethylene glycol at a molar ratio of 1:1, add 4-methylbenzenesulfonic acid, and carry out melt condensation reaction under nitrogen protection and mechanical stirring at a stirring speed of 500rpm to obtain DADA, wherein B 2 The molar ratio with 4-methylbenzenesulfonic acid is 1:0.01, the temperature of melt condensation reaction is ...
Embodiment 2
[0060] A kind of preparation method of insoluble and infusible metal-modified cruciform ester compound, concrete steps are as follows:
[0061] (1) prepare cross-type esterified product;
[0062] (a) Dibasic acid A 2 Mix with pentaerythritol at a molar ratio of 4:1, carry out melt esterification under argon protection and mechanical stirring at a stirring speed of 350rpm, collect the product, dissolve, filter and dry to obtain DAPER, wherein the melt esterification The temperature is 185°C, the reaction time is 1h, A 2 The structural formula is:
[0063]
[0064] (b) Dibasic carboxylic acid B 2 Mix with propylene glycol at a molar ratio of 1:1, add 4-methylbenzenesulfonic acid, and carry out melt condensation reaction under nitrogen protection and mechanical stirring at a stirring speed of 300rpm to obtain DADA, wherein B 2 The molar ratio with 4-methylbenzenesulfonic acid is 1:0.01, the temperature of the melt condensation reaction is 185°C, and the reaction time is 1h...
Embodiment 3
[0072] A kind of preparation method of insoluble and infusible metal-modified cruciform ester compound, concrete steps are as follows:
[0073] (1) prepare cross-type esterified product;
[0074] (a) Dibasic acid A 2 Mix with pentaerythritol at a molar ratio of 4:1, carry out melt esterification under the condition of helium protection and mechanical stirring at a stirring speed of 400rpm, collect the product, obtain DAPER through dissolution, filtration and drying, wherein the melt esterification The temperature is 180°C, the reaction time is 2h, A 2 The structural formula is:
[0075]
[0076] (b) Dibasic carboxylic acid B 2 Mix with 1,4-butanediol at a molar ratio of 1:1, add 4-methylbenzenesulfonic acid, and carry out melt condensation reaction under argon protection and mechanical stirring at a stirring speed of 500rpm to obtain DADA, wherein B 2 The molar ratio with 4-methylbenzenesulfonic acid is 1:0.01, the temperature of melt condensation reaction is 180°C, an...
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