of wood/polyvinyl chloride (wpvc) composites, the presence of wood strongly accelerated the pho-todegradation of pvc [5 7] and interfered with the function of a uv absorber . the chromophore groups or carbonyl groups in lignin as a component 146 photodegradation profiles of pvc compound and wood/pvc composites under uv weathering
the higher the molecular weight of the diesters, the better stability it had in the composite. when combining benzotriazole uva and diester hals together, they reduced the discoloration of the composite synergistically. chaochanchaikul and sombatsompop investigated three different uv stabilizers for wood/pvc composites . they found that uv
weathering of wood--plastic composites (wpcs) leads to discoloration and cracks, which greatly limits their outdoor application. in this study, light stabilizers (including uv-327, hs-944 and nano
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wood has long been used as a construction material and revered for its strength and natural aesthetics. but with forests being chopped down across the globe to meet our insatiable demands, it’s time to look towards an alternative solution and wood composite may be the answer.
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this study, therefore, manufactured polypropylene (pp) composites filled with uv stabilizer and inorganic fillers (i.e., nano-caco 3 and talc) and then investigated the influence of weathering on the mechanical and morphological properties of the filled composites as a function of filler type and content. wood plastic composites (wpcs) are
first lens for canon digital rebel your lenses protect them by spinning a uv or skylight filter on them. for catching individual bursts or getting composites of several shells in the same