期刊论文

Preparation and Properties of Eucalyptus Laminated Veneer Lumber Using Waterborne Epoxy Resin

中文

林产工业

1001-5299

2023

60

04

1-7

10.19531/j.issn1001-5299.202304001

湖南省科技创新计划资助(2021RC4062)。

本校为第一机构

选用双组分水性环氧树脂为胶黏剂，速生桉木单板为基材，热压制备结构用桉木单板层积材。采用单因素试验法研究了施胶量、热压温度、热压时间、热压压力对水性环氧树脂单板层积材弹性模量、静曲强度、水平剪切强度、含水率和浸渍剥离率等物理力学性能的影响。结果表明：水性环氧树脂以水为分散剂，在木质单板表面延展性良好。当施胶量为230 g/m2，热压温度为120℃，热压时间为1.0 min/mm，热压压力为2 MPa时，单板层积材各项性能较优，符合GB/T20241—2006《单板层积材》要求。提出的以水性环氧树脂为胶黏剂的层积材制备工艺适合工业化生产，产品力学性能优良且无醛/低醛释放，绿色环保，具有积...

Two-component water-based epoxy resin was used as adhesive and fast-growing eucalyptus veneer was used as substrate.The effects of sizing amount,hot pressing temperature,hot pressing time and hot pressing pressure on the physical and mechanical properties of waterborne ...MORE Two-component water-based epoxy resin was used as adhesive and fast-growing eucalyptus veneer was used as substrate.The effects of sizing amount,hot pressing temperature,hot pressing time and hot pressing pressure on the physical and mechanical properties of waterborne ep...