Low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate and preparation method thereof

A high-reactivity, dipentaerythritol technology, applied in the preparation of organic compounds, the preparation of carbamate derivatives, chemical instruments and methods, etc., can solve the adverse effects on the environment and human health, product volatile migration, high volume shrinkage, etc. problems, to achieve the effect of improving light curing efficiency, increasing light curing rate, and low volume shrinkage
CN103408464AActive Publication Date: 2013-11-27JIANGSU RUIYANG CHEM
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU RUIYANG CHEM
Publication Date
2013-11-27

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Abstract

The invention discloses low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate and a preparation method thereof. The low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate has a structural formula as shown in the specification. The degree of functionality of the low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate is 6-9, the viscosity is 300-2000mPa.s, and the molecular weight is 750-2500, so that the low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate has very high reactivity, lower viscosity, high molecular weight, low migration, high curing efficiency, low volume contraction rate, good adhesive force and adjustable flexibility, and a prepared coating is good in impact resistance and strong in adhesive force; and the preparation method disclosed by the invention is simple and easy to control, and an obtained product is high in purity and good in performance.
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Description

technical field

[0001] The invention relates to a modified dipentaerythritol acrylate with low viscosity, high reactivity and low volume shrinkage and a preparation method thereof. Background technique

[0002] Light curing technology has the advantages of fast curing, energy saving and time saving, low solvent release, low curing temperature, small equipment size, low investment, etc. Its application fields have developed from the initial wood coating to plastic decoration, metal parts coating, medical treatment, etc. Apparatus, electronic components, information recording media, photosensitive printing, plastic materials and optical fibers and other industrial production fields, it mainly appears in the form of UV coatings, UV inks, UV adhesives, etc.

[0003] UV curing materials are composed of photosensitive prepolymers (oligomers), reactive diluent monomers, photoinitiators and various additives (pigments, fillers, defoamers, etc.). Prepolymer is the basic resin of the...

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
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