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Hyperbranched great macromonomer, acrylate resin containing hyperbranched structure and preparation method

A technology of acrylate and macromonomer, which is applied in the fields of hyperbranched macromonomer, acrylate resin containing hyperbranched structure and preparation, and can solve the problems of long reaction time and high cost

Inactive Publication Date: 2007-02-28
CHENGDU ORGANIC CHEM CO LTD CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its disadvantage is that the reaction time is too long and the cost is high

Method used

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  • Hyperbranched great macromonomer, acrylate resin containing hyperbranched structure and preparation method
  • Hyperbranched great macromonomer, acrylate resin containing hyperbranched structure and preparation method
  • Hyperbranched great macromonomer, acrylate resin containing hyperbranched structure and preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: the synthesis of polyester type hyperbranched monomer

[0037] Using xylene as a solvent, add 92 grams of glycerin to the flask, add 296 grams of phthalic anhydride in batches at 100°C for 0.5 hours to make it slowly react, gradually increase the temperature at 140°C and keep it under reflux for 10 minutes, then cool down, add 98 grams at 100°C Maleic anhydride, gradually warming up to reflux state, keeping for 10 minutes. Cool down and add 402 grams of trimethylolpropane, raise the temperature to reflux state, keep the esterification until the acid value is below 5 mgKOH / g, then add 244 grams of benzoic acid and 200 grams of lauric acid, and continue to reflux to esterify to the acid value below 5 mgKOH / g.

[0038] Its molecular structure is shown in Figure 1, the hydroxyl value and acid value analysis of the intermediate product in the synthesis process is shown in Table 1, and the structural analysis of the product is shown in the infrared spectrum (Fig...

Embodiment 2

[0044] Embodiment 2: the synthesis of polyester type hyperbranched monomer

[0045] Using xylene as a solvent, add 92 grams of glycerin to the flask, add 292 grams of adipic acid in batches at 100°C for 0.5 hours to make it react slowly, gradually raise the temperature to 140-240°C and reflux until the acid value reaches the specified value, cool down, 100 98 g of maleic anhydride was added at ℃, and the temperature was gradually raised to reflux state and kept for 10 minutes. Cool down and add 402 grams of trimethylolpropane, raise the temperature to reflux state, keep the esterification until the acid value is below 5 mgKOH / g, then add 244 grams of benzoic acid and 200 grams of lauric acid, and continue to reflux to esterify to the acid value below 5 mgKOH / g.

Embodiment 3

[0046] Embodiment 3: the synthesis of polyester type hyperbranched monomer

[0047] Using xylene as a solvent, add 92 grams of glycerin to the flask, add 296 grams of phthalic anhydride in batches at 100°C for 0.5 hours to make it slowly react, gradually increase the temperature at 140°C and keep it under reflux for 10 minutes, then cool down, add 98 grams at 100°C Maleic anhydride, gradually warming up to reflux state, keeping for 10 minutes. Cool down and add 402 grams of trimethylolpropane, raise the temperature to reflux state, keep the esterification until the acid value is below 5 mgKOH / g, then add 244 grams of benzoic acid and 284 grams of stearic acid, continue to reflux and esterify to the acid value below 5 mgKOH / g.

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Abstract

The invention discloses a over-branched big monomer: poly-fat type and (fat-amide) type over-branched big monomer through new pattern molecule designing, which is characterized by the following: adopting step-by-step extensions through many method such as infrared, GPC, acid value and hydroxyl value detection; applying the two over-branched big monomer to compounding acroleic acid pitch; preparing acroleic acid pitch with super high graft degree structure, lower viscosity.

Description

technical field [0001] The invention relates to the preparation of vinyl-containing hyperbranched macromonomers, the copolymerization of hyperbranched macromonomers and acrylate monomers, and the application of the copolymerized products in high-solid coatings. Background technique [0002] In the coating and adhesive industry, acrylic resin is widely used because of its many excellent properties (such as weather resistance, light transmittance, softness, chemical stability, etc.). The traditional acrylic resin is a linear polymer obtained by the chain polymerization method of vinyl monomers. Therefore, at a high concentration, the intermolecular entanglement is serious, and it has a large movement resistance, which is expressed as a high flow viscosity, thus giving Its immediate use poses difficulties. In addition, some active functional groups in the molecular structure are covered by long chains, resulting in reduced reactivity due to steric hindrance. Therefore, the ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/52C08G69/44C08F220/18C09D133/08C09J133/08
Inventor 刘白玲梁璐陈华林梁受天
Owner CHENGDU ORGANIC CHEM CO LTD CHINESE ACAD OF SCI
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