讨论了紫胶树脂的一般性质、特性，及其在加工光学抛光片中的应用。
The natural properties and characteristics of shellac resin and its application in fabricating optical polishing pills are descibed.
结果证明国产紫胶树脂具有代表性的分子构成及分子结构与印度紫胶树脂相同。
The experimental results showed that the molecular composition and structure of domestic lac resin was similar to that of the...
本文讨论了紫胶树脂结合剂的一般性质和特性，及其在加工光学抛光片中的应用。
The natural properties and characteristics of shellac resin and its application in producing optical polishing pills are described.
本文研究了紫胶树脂在漂白和脱氯过程中分子量、热寿命、酸价、碘价、羟基值和氯含量的变化情况。
The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.
[19]哈成勇，王定选。漂白胶贮存性质的研究（第五报）——紫胶树脂环状组分氯化动力学的研究[J]。林产化学与工业，1997，17（1）：1-5。
HA C Y, WANG D X. Storage properties of bleached lac(V)-kinetics of reaction between NaClO and shellolic acid[J]. Chemistry and Industry of Forest Products, 1997,17(1):1-5.
紫胶，虫胶由紫胶虫分泌的沉积于树上的树脂分泌物，用于制造虫胶清漆。
A resinous secretion of the lac insect deposited on trees and used in making shellac.
研究了对紫胶改性酚醛树脂胶粘剂的固化时间、接胶合板的粘接强度和甲醛释放量进行了测定。
The research of phenol-formaldehyde (PF) resin modified with lac can be expected to widen the application of the lac and enlarge the utilization of the renewable resource.
采用溶剂分离法分离紫胶片得到的硬树脂含量为65.1%，软树脂含量为28.2%。
In the lac resin, the content of hard resin is 65.1%, the content of soft resin is 28.2%.
紫胶硬树脂由软树脂多聚而成，该聚合过程以树脂的羟基参与反应为特征。
The hard resin was formed by polymerization of the soft resin in the presence of hydroxyl groups.
紫胶硬树脂改性酚醛树脂和普通酚醛酚醛树脂的红外光谱图谱基本一致；
The IR analysis discovers the component of the modification of PF resin with hard resin and general PF resin is almost alike.
紫胶硬树脂改性酚醛树脂和普通酚醛酚醛树脂的红外光谱图谱基本一致；
The IR analysis discovers the component of the modification of PF resin with hard resin and general PF resin is almost alike.
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