Ultraviolet-curable waterborne polyurethane emulsion as well as preparation method and application thereof

A water-based polyurethane, ultraviolet light technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of low strength, low hardness, easy hydrolysis of ester bonds, poor product performance, etc., to achieve good hardness, wear resistance and scratch resistance. High damage and the effect of reducing the viscosity of the system
CN110615885AInactive Publication Date: 2019-12-27GUANGDONG UNIV OF TECH
4 Cites 21 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GUANGDONG UNIV OF TECH
Publication Date
2019-12-27
Estimated Expiration
Not applicable · inactive patent

Smart Images

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

Abstract

The invention belongs to the technical field of new polymer materials, and particularly relates to an ultraviolet-curable waterborne polyurethane emulsion as well as a preparation method and application thereof. According to the invention, polypropylene carbonate dihydric alcohol, diisocyanate and a reactive monomer are used as main raw materials; a UV-curable double bond group then is introducedso that the acrylate resin and the polyurethane resin are connected through chemical bonds, therefore, organic unification of respective excellent properties of the two resins is effectively achieved,and a film cured by the ultraviolet-curable waterborne polyurethane emulsion is high in hardness and has good solvent resistance, corrosion resistance, scratch resistance and mechanical strength. Moreover, the raw materials of the ultraviolet-curable waterborne polyurethane emulsion do not need an organic solvent, acetone is not required to be used as a solvent to reduce the viscosity of the system during preparation, the reactive monomer can reduce the viscosity of the system, the use of the organic solvent is avoided, the problem of VOC emission is further solved, and the pollution to the environment and the harm to health are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the technical field of new polymer materials, and in particular relates to an ultraviolet-curable water-based polyurethane emulsion and a preparation method and application thereof. Background technique

[0002] Emphasis on environmental protection is a common trend in social development. Environmentally friendly new materials such as UV-curable polyurethane coatings are gradually replacing traditional solvent-based polyurethane materials into market applications and gradually replacing traditional products. Moreover, due to the high-efficiency and energy-saving features of UV-curable polyurethane coatings such as fast curing and no need for heating and baking, it is very suitable for assembly line operations. The development of its market is increasing year by year, and it is more and more used in the industrial production of commodities. , has brought a new revolution to the entire surface coating industry.

[0003] The wate...

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