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Emulsion polymerization emulsifier composition and emulsion polymerization system

A technology of emulsion polymerization and emulsifier, which is applied in the field of emulsion polymerization, can solve the problems that the stability of emulsion film formation, water resistance, and calcium soap cannot be taken into account at the same time, and achieve significant calcium soap stability, high polymerization stability, and improved basic performance.

Pending Publication Date: 2022-05-13
ASIA CUANON TECH SHANGHAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] One of the purposes of the present invention is to provide an emulsion polymerization emulsifier composition to improve the technical problem that existing emulsifiers cannot simultaneously take into account the water resistance of emulsion film formation and the stability of calcium soap

Method used

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  • Emulsion polymerization emulsifier composition and emulsion polymerization system
  • Emulsion polymerization emulsifier composition and emulsion polymerization system
  • Emulsion polymerization emulsifier composition and emulsion polymerization system

Examples

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Embodiment 1

[0055] This example provides an emulsion polymerization emulsifier composition, including the first emulsifier and the second emulsifier, the mass ratio of the two is 7:3, the chemical general formula of the first emulsifier is shown in the following formula I, the first emulsifier The general chemical formula of the second emulsifier is shown in Formula II below:

[0056]

[0057] Among them, R 1 It is a branched chain alkyl group with 7-9 carbon atoms (derived from commercial Exxal 8 fatty alcohol), n 1 is 6; R 2 is a straight-chain alkyl group with 11 carbon atoms (derived from commercial ISALCHEM 11 fatty alcohol), n 2 for 5.

Embodiment 2

[0059] This embodiment provides an emulsion polymerization emulsifier composition, including the first emulsifier and the second emulsifier, the mass ratio of the two is 8:2, the chemical general formula of the first emulsifier and the second emulsifier is as implemented described in Example 1, where R 1 10-12 branched chain alkyl (derived from commercial Exxal alcohol 11 fatty alcohol), n 1 is 8; R 2 is a straight-chain alkyl group with 11 carbon atoms (derived from commercial ISALCHEM 11 fatty alcohol), n 2 for 5.

Embodiment 3

[0061] This embodiment provides an emulsion polymerization emulsifier composition, including the first emulsifier and the second emulsifier, the mass ratio of the two is 7:3, the chemical general formula of both the first emulsifier and the second emulsifier are as described in Example 1, wherein, R 1 is a branched chain alkyl group with 11-14 carbon atoms (derived from commercial Exxal 13 fatty alcohol), n 1 is 7; R 2 It is a straight-chain alkyl group with 12-14 carbon atoms, n 2 for 3.

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Abstract

The invention provides an emulsion polymerization emulsifier composition and an emulsion polymerization system, and relates to the technical field of emulsion polymerization, the emulsion polymerization emulsifier composition comprises a first emulsifier and a second emulsifier, and the first emulsifier and the second emulsifier are independently different polyoxyethylene ether sulfosuccinic acid monoester disodium salt. According to the emulsion polymerization emulsifier composition provided by the invention, the first emulsifier and the second emulsifier cooperate with each other, so that the emulsion polymerization stability is high and the particle size distribution is uniform in the emulsion polymerization process when the emulsion polymerization emulsifier composition is applied to an emulsion polymerization system, and the basic properties of the emulsion, including film-forming water resistance and calcium soap stability, can be remarkably improved; and various basic properties of the emulsion can be balanced at the same time.

Description

technical field [0001] The invention relates to the technical field of emulsion polymerization, in particular to an emulsion polymerization emulsifier composition and an emulsion polymerization system. Background technique [0002] Emulsion polymerization is a common method for preparing high-molecular-weight, water-based polymer dispersions. The obtained polymer emulsions are widely used in industrial fields such as building interior and exterior wall coatings, adhesives, and paper sizing agents. Emulsifiers refer to surfactants that can stabilize emulsions, and are widely used in food, daily necessities, and chemical industries. In the emulsion polymerization process, the main function of the emulsifier is to provide a place for nucleation, reaction and growth of the polymer particles, to stabilize the heterogeneous polymerization reaction process, and to ensure the dispersion stability of the emulsion product during storage and transportation. [0003] Currently, emulsif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F2/26C08F212/08C08F220/18C08F220/14C08F220/06C08G65/338
CPCC08F212/08C08G65/338C08F220/1804C08F220/14C08F220/06C08F2/26
Inventor 牛林孟凯查纯喜李金钟
Owner ASIA CUANON TECH SHANGHAI
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