The main component of rosin is rosin acid (C20H30O2).
松香的主要成份是松香酸(C20H30O2)。
The results show that the adsorption ability of bentonite for rosin acid was improved by being integrated with polymers.
结果表明，与聚合物结合能够提高膨润土吸附松香酸的能力。
It has the advantages of high softening point, high acid value, good capability of anti-oxidation and high mucosity. Polymerized rosin is good used in high-grade printing ink, adhesives and dope, etc.
聚合松香是松香深加工产品中的一个重要品种，具有软化点高、酸值高、抗氧化性好、粘度大等优点，广泛应用于高级油墨、粘胶剂及涂料等行业。
The adsorption effects for rosin acid were compared among polymers, bentonite, polymers-modified bentonite, and simple mixture of polymer and bentonite.
比较了使用聚合物、膨润土、聚合物改性膨润土以及聚合物与膨润土简单混合等几种物质对松香酸的吸附作用。
Greeniz solvent for determining the acid value of rosin glyceride by means of titration was studied.
采用中和法测定松香甘油酯的酸值，对溶解松香酯的溶剂进行了绿色化研究。
Fumaropimaric acid was prepared from rosin and fumaric acid as raw materials.
以富马酸和松香为原料制备富马海松酸。
Long reaction time and high temperature are favorable to increase of acid values of products in the normal heat method for preparation of acrylated rosin.
常规加热法制备丙烯酸松香时，增加反应时间、升高反应温度均有利于产物酸值的提高。
The method supplies an approach of high yield to synthesize maleopimaric acid from gum rosin of pinus massonina under more mild condition.
该方法开辟了在较缓和条件下，从脂松香制备高得率马来海松酸的途径。
The solubility and reactivity of TUPR were improved by rosin acid.
松香酸的含量影响对苯型不饱和聚酯与苯乙烯的相容性和活性。
High boiling solvents (HBS) lignin modified rosin was successfully synthesized by rosin and HBS lignin. These resins were characterized by acid value, soft point, DSC-TGA, and compared with rosin.
合成高沸醇木质素改性松香树脂，测定改性树脂的软化点、酸值和DSC - TGA曲线，并与原料松香进行比较。
A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基，制备了硬质聚氨酯泡沫塑料。
Green solvent for determining the acid value of rosin glyceride by means of titration was studied.
采用中和法测定松香甘油酯的酸值，对溶解松香酯的溶剂进行了绿色化研究。
Prepolymer from acrylic acid rosin and ethylene diglycidyl ether was prepared by esterification between acrylic acid rosin and ethylene diglycidyl ether.
丙烯酸松香与乙二醇二缩水甘油醚酯化合成环氧树脂预聚体。
Fumaric acid has a lower softening temperature and saponification value but a higher acid value, which was beneficial to improving the quality of modified rosin size and dispersed rosin size.
在加成量相同的情况下：富马松香与马来松香相比具有较低的软化点和皂化值，却有较高的酸值，有利于改善强化松香胶和分散松香胶的质量。
Rosin sizes is a common sizing agent of paper, the content of free rosin acid is low in common rosin sizes, so the sizing effect is bad.
松香胶是造纸常用的施胶剂，普通松香胶的游离松香含量低，因此，施胶效果不好。而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。
While the content of free rosin acid in the dispersed rosin sizes is high, the sizing effect is better.
而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。
While the content of free rosin acid in the dispersed rosin sizes is high, the sizing effect is better.
而分散松香胶中游离松香含量高，分散越好，施胶的效果越佳。
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