苯酚-尿素-甲醛共缩聚树脂结构形成比较

›› 2009, Vol. 29 ›› Issue (1): 73-78.

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Comparison of Structure Formation of Phenol-urea-formaldehyde Resin

LEI Hong^1,2, DU Guan-ben², PIZZI Antonio³, LI Qin⁴, ZHAO Wei-gang², FANG Qun²

1. Department of Wood Industry, Nanjing Forestry University, Nanjing 210037, China;2. Department of Wood Science and Interior Decoration, Southwest Forestry College, Kunming 650224, China;3. ENSTIB, University of Nancy 1, Epinal 88000, France;4. Forestry Research Institute of Zhejiang Province, Hangzhou 310023, China

Received:2008-01-07 Revised:1900-01-01 Online:2009-02-28 Published:2009-02-28

Abstract

Abstract: The progresses of structure formation of phenol-urea-formaldehyde (PUF) resin prepared in two different routes were followed by ¹³CNMR which allowed quantitative analysis of the main function groups in the PUF prepolymers. The structures of three different PUF resins were compared too. The results showed that the medium condition at the initial stage of the preparation had decisive effects on the formation of phenol methylol. Acidic condition caused the increase of urea-formaldehyde prepolymer and co-condensed PUF resin. The final structures of PUF resins were different when acidic condition was in different stage during the preparation.

Key words: phenol-urea-formaldehyde(PUF)resin, structure, quantitative analysis

CLC Number:

TQ32

LEI Hong;DU Guan-ben;PIZZI Antonio;LI Qin;ZHAO Wei-gang;FANG Qun. Comparison of Structure Formation of Phenol-urea-formaldehyde Resin[J]. , 2009, 29(1): 73-78.

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Comparison of Structure Formation of Phenol-urea-formaldehyde Resin

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