PHENOL-FORMALDEHYDE WOOD ADHESIVES UNDER VERY ALKALINE CONDITIONS .2. ESTERS CURING ACCELERATION, ITS MECHANISM AND APPLIED RESULTS

被引：37

作者：

PIZZI, A ^{[1
]}

STEPHANOU, A ^{[1
]}

机构：

[1] UNIV WITWATERSRAND,DEPT CHEM,JOHANNESBURG 2050,SOUTH AFRICA

来源：

HOLZFORSCHUNG | 1994年 / 48卷 / 02期

关键词：

PHENOL-FORMALDEHYDE; CURING ACCELERATION; REACTIVITY; REACTION RATE; EXTERIOR PARTICLEBOARD; WOOD ADHESIVES; ESTERS ACCELERATORS; REACTION MECHANISMS; PINUS-RADIATA;

D O I：

10.1515/hfsg.1994.48.2.150

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Organic esters were found to considerably accelerate the curing of phenol-formaldehyde resol adhesives. The mechanism of ester acceleration of PF resins curing was clarified, the effect of different esters quantified and related to the pK(a) and quantity of the acid forming the ester. Particleboard prepared by using ester-accelerated phenolic-resins presented excellent results even when pressed at press times as fast as those used for urea-formaldehyde resins.

引用

页码：150 / 156

页数：7

共 15 条

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