松香树脂
Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.───松香催化加氢可去除枞酸型树脂酸的共轭不饱和性，克服其易于氧化变色的缺点。
The anchoring agent is petroleum resin or abietic resin.
Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.
abietic acid───[林]松香酸
acrylic resin───[树脂]丙烯酸树脂；压克力树脂
synthetic resin───[树脂]合成树脂，[树脂]人造树脂
acrylic resins───丙烯酸树脂
synthetic resins───[树脂]合成树脂，[树脂]人造树脂
abietic acids───[林]松香酸
acaroid resin───禾木树脂