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Coefficient Modification of SiO2 and KH-560 on the Properties of Waterborne UV-curing Wood Coatings
Pages: 26-29+56
Year: Issue:  4
Journal: Furniture

Keyword:  Waterborne UV coatingSiO 2KH560mechanical propertiesgloss;
Abstract: Waterborne ultraviolet(UV)-curing wood coatings were modified by SiO2 and KH560,and waterborne UV-curing wood coatings were prepared by optimizing the process parameters.The mechanical properties in aspects of hardness,adhesion and resistance impact strength as well as the gloss of coating were tested.It was found that when the KH560 content was 3.0%,the SiO2 content was around 2.0%,the dry temperature was 40℃,the dry time was 10 min,UV lamp was 2,and the radiation time was 1 min,the obtained waterborne UV curing wood coatings had good mechanical properties in terms of hardness,adhesion,and impact strength.However,mechanical properties of waterborne UV-curing wood coatings decreased when the SiO2 content was higher than 3.0%.The gloss results showed that the gloss of UV-curing coating decreased with the increase of SiO2 content.When the SiO2 content exceeded 2.0%,the gloss of waterborne UV curing wood coatings displayed matt.
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