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Anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and preparation method thereof

A kind of polyacrylate emulsion, flame retardant technology, applied in the field of hyperbranched polymer synthesis

Inactive Publication Date: 2021-05-18
朱浩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few researches and reports on hyperbranched polyacrylates, and the development of functional hyperbranched polyacrylates or the functional modification of hyperbranched polyacrylates is a blank in the field of organic synthesis in China.

Method used

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  • Anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and preparation method thereof
  • Anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and preparation method thereof
  • Anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following raw materials in parts by mass:

[0031]

[0032]

[0033] A preparation method of anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following steps:

[0034] S1: Mix DMAP, HOAT, and p-toluenesulfonic acid-doped polyaniline uniformly at a mass ratio of 1:0.6:1.5 to prepare a catalyst;

[0035] S2: Preparation of modified layered double metal hydroxide:

[0036] i: Intercalation modification: Add Mg / Al type layered double metal hydroxide to an aqueous solution with a mass fraction of 5-10% dodecylguanidine hydrochloride, control the solid-liquid ratio to 1g / 10mL, and perform ultrasonic treatment After 0.5h, filter and dry to obtain guanidine-modified layered double hydroxides;

[0037] ii: Functional modification: Dissolve phenyl salicylate, light stabilizer 622, and vinyltrimethoxysilane in eth...

Embodiment 2

[0042] An anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following raw materials in parts by mass:

[0043]

[0044]

[0045] A preparation method of anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following steps:

[0046] S1: Mix DMAP, HOAT, and p-aminobenzenesulfonic acid-doped polyaniline uniformly at a mass ratio of 1:0.8:1.75 to prepare a catalyst;

[0047] S2: Preparation of modified layered double metal hydroxide:

[0048] i: Intercalation modification: Add nano-Ni / Al type layered double metal hydroxide to an aqueous solution with a mass fraction of 7.5% dodecylguanidine acetate, control the solid-liquid ratio to 1g / 12.5mL, and ultrasonically treat After 1.5h, filter and dry to obtain guanidine-modified layered double hydroxides;

[0049] ii: Functional modification: Dissolve phenyl salicylate, light stabilizer 783, and vinyltrimethoxysilane in ethan...

Embodiment 3

[0054] An anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following raw materials in parts by mass:

[0055]

[0056] A preparation method of anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion, comprising the following steps:

[0057] S1: Mix DMAP, HOAT, and phosphotungstic acid-doped polyaniline uniformly at a mass ratio of 1:1:2 to prepare a catalyst;

[0058] S2: Preparation of modified layered double metal hydroxide:

[0059] i: Intercalation modification: add nano-Mn / Fe layered double metal hydroxide to an aqueous solution with a mass fraction of 10% polyhexamethylene biguanide, control the solid-liquid ratio to 1g / 15mL, sonicate for 2h, and filter , drying to obtain guanidine modified layered double metal hydroxides;

[0060] ii: Functional modification: Dissolve phenyl salicylate, light stabilizer 944, and vinyltrimethoxysilane in ethanol according to the dosage ratio of 1g...

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Abstract

The invention discloses an anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and a preparation method thereof. The anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion comprises the following raw materials in parts by mass: 50-60 parts of methyl acrylate, 20-30 parts of methacrylic acid, 15-20 parts of perfluorooctyl ethyl acrylate, 25-35 parts of pentaerythritol tetramine, 15-20 parts of itaconic acid, 10-15 parts of dicyandiamide, 3-5 parts of guanidine phosphate, 4-8 parts of amino trimethylene phosphonic acid, 1-2 parts of a catalyst, 0.5-1.5 parts of an initiator, 20-30 parts of functionalized layered double hydroxides, 2-3 parts of allyloxy nonylphenoxy propyl alcohol polyoxyethylene ether ammonium sulfate, 25 to 30 parts of N, N-dimethyl formamide and 80 to 120 parts of deionized water. The fluorine-containing hyperbranched fluorine-containing polyacrylate emulsion prepared by the method disclosed by the invention has excellent self-flame-retardant, antibacterial and anti-aging characteristics, high molecular weight, excellent solubility, hydrophobic and oleophobic properties and high film-forming stability.

Description

technical field [0001] The invention belongs to the technical field of hyperbranched polymer synthesis, and in particular relates to an anti-aging self-flame-retardant hyperbranched fluorine-containing polyacrylate emulsion and a preparation method thereof. Background technique [0002] Hyperbranched polymers are special polymers with a highly branched topology, with a large number of branch nodes and active end groups. Compared with linear polyacrylates, hyperbranched multi-arm polyacrylates have a unique spherical three-dimensional compact structure, small hydrodynamic radius of gyration, less molecular chain entanglement, more active end groups, easy to dissolve, and low viscosity. It does not change with the increase of molecular weight, showing excellent flow properties, high stability and film-forming properties. At present, there are few studies and reports on hyperbranched polyacrylates, and the development of functional hyperbranched polyacrylates or the functional...

Claims

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Application Information

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IPC IPC(8): C08G83/00C08F220/14C08F220/06C08F220/24C08F230/02
CPCC08F220/14C08G83/001C08F220/06C08F220/24C08F230/02
Inventor 朱浩
Owner 朱浩
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