Preparation and Wet Strengthening Properties of High Solid Content Melamine-formaldehyde Resin

高固含量 三聚氰胺 甲醛树脂的制备及应用研究

Optimum effects can be achieved by adding dry strengthening starch agent and wet strengthening UF resins agent with starch 10 % and UF resins ? 2 % on dry pulp .

干强剂淀粉和 湿 强剂脲醛树脂的加入量分别为10%和2%（对浆）时，可获得最佳的增强效果。

Epoxy resin chemical injection is the unique one among wet encased steel strengthening grout methods mentioned in the specifications .

规范中提到的 湿式外包钢 加固灌浆方法中，只有环氧树脂化学灌浆方法一种。

With the addition of 0.5 % wet - strength agent the wet strengthening to the reed pulp was increased by 28.05 % and that to the eucalyptus pulp was acid 30.18 % .

其加入量为0.5%时， 湿 强效果对苇浆达到28.05%，对桉木浆达到30.18%；

Engineering probe for wet strengthening method with steel plate and emulsion cement

钢板和乳胶水泥 湿式 加固方法

Strengthening method with wet encased steel is a kind of widely used traditional strengthening method in practical engineering .

湿式外包钢加固方法是一种在实际工程中使用较为广泛的传统 加固方法。

By measuring the wet tensile strength and other physical properties of the paper and using IR SEM methods the strengthening mechanism of the acrylamide - chitosan graft copolymer used as paper agent was studied .

通过测量加入壳聚糖-丙烯酰胺接枝共聚物后纸张的 湿强度等物理性能的变化规律和采用IR、SEM等分析手段对其 增强机理进行了研究和探讨。

The application of wet strengthening agent PPE 1.0 % .

PPE 湿 强剂用量1.0%（对绝干浆）