Free radical-positive ion mixed type photo cured system and applications thereof
A light-curing, hybrid technology, applied in applications, optics, household appliances, etc., can solve the problems of high price, poor absorption of LED light source, inability to cure or incomplete curing, etc.
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[0091]
[0092] The photocurable composition of the present invention can be obtained by weighing each component according to the amount and mixing them uniformly.
[0093] At present, commercially available products in the field of light curing, especially mid-to-high-end products, are mainly imported. Most of these products have patented technology and high product prices. However, domestic companies lack core technologies and independent intellectual property rights. Under strict technical barriers, enterprise development is difficult. Even the R&D layout has been greatly restricted. Through the optimization of the components, the hybrid photocurable composition obtained has a large photosensitive wavelength range and good photocuring effect, and can combine the advantages of free radical and cationic photocurable systems, and can be applied in such as paints, coatings, inks, moldings, etc. Materials and other aspects have been applied, with strong technical and market co...
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[0094] The present invention will be described in further detail below in conjunction with specific examples, but they should not be construed as limiting the protection scope of the present invention.
[0095] Unless otherwise specified, the parts described below are all parts by weight. The meaning of each abbreviation is as follows:
[0096] A1:
[0097] A2:
[0098] A3:
[0099] A4:
[0100] B1: trimethylolpropane triacrylate;
[0101] B2: bisphenol A epoxy acrylate resin (SM6105-80);
[0102] B3: 4-hydroxybutyl vinyl ether (HBVE);
[0103] B4: Trimethylolpropane tris(3-ethyl-3-oxetanylmethyl) ether; B5: 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexylcarboxylic acid ester;
[0104] C1:
[0105] C2:
[0106] D1:
[0107] D2:
[0108] 1. Preparation of photocurable composition
[0109] The photocurable composition was prepared according to the formula shown in Table 1 below.
[0110] Table 1
[0111]
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