期刊
JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT
卷 12, 期 3, 页码 271-274出版社
SPRINGER
DOI: 10.1007/s10163-010-0296-7
关键词
Chemical recycling; Recycled resins; Hardness test; Acid catalysts; Unsaturated polyester
We examined an improved preparation method of recycled unsaturated polyester resin from recovered monomeric materials obtained from the depolymerization of fiber-reinforced plastics (FRPs). The formation of unsaturated polyester progressed smoothly in the presence of catalytic amounts of Ca(OAc)(2) and Ti(OBu)(4). The quality of the resin was estimated by the durometer hardness test. The strength test of FRP board prepared from recycled resin showed sufficient hardness for practical use (about 94% of the tensile strength of new resin). We examined the recycled resin by using it to mold successfully an actual test product.
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