A kind of self-emulsifying aqueous polyester emulsion and preparation method thereof

A water-based polyester and polyester technology, applied in the direction of polyester coatings, coatings, etc., to achieve the effects of easy promotion, easy access to sources, and abundant sources
CN106432706BActive Publication Date: 2018-07-06QINGDAO UNIV OF SCI & TECH
6 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO UNIV OF SCI & TECH
Publication Date
2018-07-06

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides novel self-emulsifying water-based polyester emulsion and a preparation method thereof. The preparation method includes the following steps that itaconic acid, methyl-butanedioic acid-5-sodium sulfonate and 1,4-butanediol are subjected to condensation polymerization, then terminal hydroxyl water-based polyester-poly(itaconic acid butanediol-co-methyl-butanedioic acid-5-sodium sulfonate butanediol)ester (PBIINa) is obtained, and the PBIINa and terminal olefine acid are heated to 110-160 DEG C under nitrogen protection, and terminal olefine acid modified water-based polyester is obtained after an esterification reaction. The terminal olefine acid modified water-based polyester is dispersed in water, and then the water-based polyester emulsion is obtained. The preparation method of the water-based polyester emulsion is novel and has a self-emulsifying function, an emulsifying agent does not need to be added, organic solvent is not contained, and the water-based polyester emulsion can be used as emulsion coating and has broad market prospects. The steps are simple, operation is convenient, and practicability is high.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of water-based emulsion preparation, in particular to a self-emulsifying water-based polyester emulsion and a preparation method thereof. Background technique

[0002] With the development of my country's economy, the output of my country's coatings has approached 10 million tons, and China has become the largest country in the production and consumption of coatings in the world. However, most of the coatings currently used are solvent-based coatings with high VOC content, which will cause serious environmental pollution and damage human health during the manufacturing and construction process. With the continuous enhancement of human environmental protection awareness, people pay more and more attention to the research and application of environmentally friendly water-based coatings, and the solidification, solvent-free, and water-based coatings have shown a development trend.

[0003] Water-based paint is an enviro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More