文献类型：期刊文献

中文题名：乙二醛-尿素树脂的合成及橡胶木改性应用

英文题名：Synthesis of Glyoxal-urea(GU) Resin and Its Application in Rubberwood Modification

作者：胡极航[1] 刘君良[1] 范书桐[2]

第一作者：胡极航

机构：[1]中国林业科学研究院木材工业研究所,北京100091;[2]北华大学材料科学与工程学院,吉林吉林132113

年份：2020

卷号：34

期号：2

起止页码：6-9

中文期刊名：木材工业

外文期刊名：China Wood Industry

收录：CSTPCD;;北大核心:【北大核心2017】；

基金：中央级公益性科研院所基本科研业务费专项资金“橡胶木多效防护关键技术”(CAFYBB2017ZX003-04)

语种：中文

中文关键词：乙二醛-尿素树脂(GU);配比;橡胶木;改性;性能

外文关键词：glyoxal-urea resin(GU);ratio;rubberwood;modification;property

分类号：S781.7;TS65

摘要：以不同量比合成乙二醛-尿素浸渍树脂(GU),开发环保型树脂用于橡胶木改性。结果表明,当乙二醛、尿素的量比(G/L)为1.6时,树脂合成反应完全,其固体含量、黏度、水溶性、储存期等综合性能良好。将该树脂调配成质量分数30%的溶液,用于浸渍处理橡胶木,与未处理材相比,改性材的弹性模量和抗弯强度分别提高了21.5%和32.6%,尺寸稳定性(ASE)达到65.9%,改性效果良好。
Glyoxal-urea resins(GU)were synthesized from glyoxal and urea at six ratios respectively,and then used for rubberwood modification.The results showed that at G∶U ratio of 1.6,the resin performed best in the solid content,the viscosity,the water solubility and the storage life.Rubberwood samples were impregnated with the GU resin at a concentration of 30%.Modulus of elasticity(MOE)and modulus of rupture(MOR)of the treated rubberwood samples were increased by 21%and 32.5%,respectively,comparing with untreated control samples.Dimensional stability(ASE)of the treated samples reached 65.9%as well.