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Ultraviolet-quick-curing dendriform resin, and divergent preparation method and application thereof

A dendritic and ultraviolet light technology, applied in applications, household utensils, inks, etc., can solve the problems of high pollution of thermosetting resins, low production efficiency, slow curing speed, etc., to achieve faster curing speed, cost saving, surface drying time short effect

Inactive Publication Date: 2017-03-29
HUBEI GREENHOME MATERIALS TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to provide a kind of ultraviolet light high-speed curing dendritic resin and its divergent method preparation method and its application, adopt divergent method to synthesize the dendritic series resin whose initiation core is amines, and the end group contains different acrylate double bonds. The synthesized dendritic series resin and photoinitiator are mixed evenly in the dark room, coated on the substrate, and the dendritic resin is cured by ultraviolet light under a low-pressure mercury lamp, which can be used in large-scale production and solve the problem of the existing thermosetting resin due to its large pollution. , Slow curing speed and low production efficiency

Method used

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  • Ultraviolet-quick-curing dendriform resin, and divergent preparation method and application thereof
  • Ultraviolet-quick-curing dendriform resin, and divergent preparation method and application thereof

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[0036] Such as figure 1 , 2 As shown, the present invention provides a high-speed UV-curable dendritic resin and its preparation method by a divergent method and its application.

[0037] With ethylenediamine (EDA), diethylenetriamine (DETA) and triethylenetetramine (TETA) containing different active H as the initiating core, tripropylene glycol diacrylate (TGPDA), ethoxylated trimethylol Propane triacrylate (TEPTA) is used as the branching unit, and the divergence method is used to prepare regular structure, highly branched, high double bond density, low viscosity, and the end group contains 4, 5, 6, 8, 10, 12 acrylate double Bond's first-generation dendritic series resins;

[0038] Select benzoin diethyl ether and 2-hydroxy-2-methyl-1-phenyl-1-propanone with different photoinitiating activities as photoinitiators, and respectively combine them with dendritic series resins with different acrylate double bonds in the end group in the darkroom. Mix well with each other, an...

Embodiment 1

[0040] The method for preparing ultraviolet light high-speed curing dendritic resin, the specific steps are as follows:

[0041] Product 1: Diamine (EDA) and difunctional acrylate monomer (TGPDA) to synthesize a dendritic resin with 4 acrylate double bonds in the end group.

[0042] (1) Add 25% catalyst methanol, 16.7% EDA, 83.3% TGPDA to a device equipped with a stirrer, a thermometer, and a constant temperature heating device. 2 Warm up to 35°C under protection, keep warm for 6 hours, distill under reduced pressure, and dry in vacuum to obtain a colorless and transparent liquid prepolymer;

[0043] (2) In the prepolymer synthesized in (1), add photoinitiator D-1173 accounting for 6% of the mass fraction of the prepolymer, and mix evenly in the dark room to obtain a colorless and transparent dendritic photosensitive resin product 1 , the viscosity is 10 mPa.s, low odor, good gloss, the prepared product is packed in metal or dark container, and stored away from light;

[004...

Embodiment 2

[0068] The method for preparing ultraviolet light high-speed curing dendritic resin, the specific steps are as follows:

[0069] Product 1: Diamine (EDA) and difunctional acrylate monomer (TGPDA) to synthesize a dendritic resin with 4 acrylate double bonds in the end group.

[0070] (1) Add 28% catalyst methanol, 16.7% EDA, 83.3% TGPDA to a device equipped with a stirrer, a thermometer, and a constant temperature heating device. 2 Under protection, the temperature was raised to 45°C, and the heat preservation reaction was carried out for 8 hours. After vacuum distillation and vacuum drying, a colorless and transparent liquid prepolymer was obtained;

[0071] (2) In the prepolymer synthesized in (1), add photoinitiator D-1173 accounting for 8% of the mass fraction of the prepolymer, and mix evenly in the dark room to obtain a colorless and transparent dendritic photosensitive resin product 1 , the viscosity is 20 mPa.s, low odor, good gloss, the prepared product is packed in m...

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Abstract

The invention provides an ultraviolet-quick-curing dendriform resin, and a divergent preparation method and application thereof. Ethylenediamine (EDA), diethylenetriamine (DETA), triethlenetetramine (TETA) and other polyamines are used as initiation cores, tripropylene glycol diacrylate (TGPDA), ethoxylated trimethylolpropane triacrylate (TEPTA) and other polyfunctional group monomers are used as branching units, and a divergent method is utilized to prepare the regular-structure highly-branched high-double-bond-density low-viscosity dendriform series resins containing different acrylate double bonds at terminal groups; benzoin aether and 2-hydroxy-2-methyl-1-phenyl-1-acetone with different photoinitiation activities are used as photoinitiators, are matched and uniformly mixed with the dendriform series resins containing different acrylate double bonds at terminal groups in a dark room, and are cured under the irradiation of an ultraviolet curing lamp to prepare different product series of quick-curing dendriform photosensitive resins. The preparation method can implement large-scale application and production, and has the characteristics of small pollution, high curing speed and high production efficiency.

Description

technical field [0001] The invention relates to an ultraviolet light high-speed curing dendritic resin and its preparation method by a divergent method and its application, belonging to the application field of polymer resins. Background technique [0002] Dendritic macromolecules are a kind of macromolecules with highly branched and highly symmetrical structures obtained by stepwise and repeated reactions of multifunctional monomers. Units, internal branched functional groups with the number of branches, and surface easily modified groups that determine the functional characteristics of the molecule. The independent special structure of each part of the dendritic macromolecule endows it with incomparable superior properties compared to traditional linear polymers, such as Good hydrodynamic properties, unique viscosity behavior, easy film formation, diversified functions, and difficult to crystallize, so it has broad application prospects in many fields such as industry, agr...

Claims

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Application Information

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IPC IPC(8): C08G83/00C09D11/102
CPCC09D11/102C08G83/003
Inventor 冯波安杰袁坤
Owner HUBEI GREENHOME MATERIALS TECH INC
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