中山大学学报（自然科学版）
中山大學學報（自然科學版）
중산대학학보（자연과학판）
ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS SUNYATSENI
2014年
4期
94-100,106
,共8页
汤健钊%容腾%容敏智%章明秋
湯健釗%容騰%容敏智%章明鞦
탕건쇠%용등%용민지%장명추
生物油%木焦油%木杂酚%酚醛树脂泡沫塑料%力学性能
生物油%木焦油%木雜酚%酚醛樹脂泡沫塑料%力學性能
생물유%목초유%목잡분%분철수지포말소료%역학성능
bio-oil%wood tar%wood creosote%phenolic foam%mechanical properties
生物质资源经过快速裂解得到的液体生物油，是未来替代石油的重要资源之一。该文以木焦油为原料，采用萃取法提纯浓缩制得酚类物质质量分数超过85％的木杂酚，其主要成分为邻甲氧基苯酚、对甲基苯酚等。这些物质与甲醛有良好的反应性；进而用w＝50％的木杂酚替代苯酚制备了木杂酚改性酚醛树脂泡沫塑料，经正交试验确定反应的最佳条件。研究表明， NaOH催化剂的用量是制备甲阶酚醛树脂的关键因素，同时必须采用硫酸为催化剂才能制得该树脂泡沫塑料。利用不同的催化剂用量和发泡工艺可调节泡沫塑料的力学性能。在最佳条件下，可制得泡孔直径200μm左右，压缩强度为1003.8 kPa，压缩模量25.37 MPa的泡沫材料，达到了国家酚醛泡沫塑料相关标准的要求。
生物質資源經過快速裂解得到的液體生物油，是未來替代石油的重要資源之一。該文以木焦油為原料，採用萃取法提純濃縮製得酚類物質質量分數超過85％的木雜酚，其主要成分為鄰甲氧基苯酚、對甲基苯酚等。這些物質與甲醛有良好的反應性；進而用w＝50％的木雜酚替代苯酚製備瞭木雜酚改性酚醛樹脂泡沫塑料，經正交試驗確定反應的最佳條件。研究錶明， NaOH催化劑的用量是製備甲階酚醛樹脂的關鍵因素，同時必鬚採用硫痠為催化劑纔能製得該樹脂泡沫塑料。利用不同的催化劑用量和髮泡工藝可調節泡沫塑料的力學性能。在最佳條件下，可製得泡孔直徑200μm左右，壓縮彊度為1003.8 kPa，壓縮模量25.37 MPa的泡沫材料，達到瞭國傢酚醛泡沫塑料相關標準的要求。
생물질자원경과쾌속렬해득도적액체생물유，시미래체대석유적중요자원지일。해문이목초유위원료，채용췌취법제순농축제득분류물질질량분수초과85％적목잡분，기주요성분위린갑양기분분、대갑기분분등。저사물질여갑철유량호적반응성；진이용w＝50％적목잡분체대분분제비료목잡분개성분철수지포말소료，경정교시험학정반응적최가조건。연구표명， NaOH최화제적용량시제비갑계분철수지적관건인소，동시필수채용류산위최화제재능제득해수지포말소료。이용불동적최화제용량화발포공예가조절포말소료적역학성능。재최가조건하，가제득포공직경200μm좌우，압축강도위1003.8 kPa，압축모량25.37 MPa적포말재료，체도료국가분철포말소료상관표준적요구。
Liquid bio-oil converted from renewable biomass is one of the important alternatives to petrole-um in the future .In this work , wood creosote with more than 85%enrichment phenolic compounds was obtained by extraction purification of the wood tar .The main ingredients of the creosote include guaiacol , para-cresol, etc., which have good reactivity with formaldehyde .Then, w=50% of the wood creosote was used to substitute phenol for manufacturing wood creosote modified phenolic foam .The optimum con-ditions for preparing A-stage phenolic resin were determined by orthogonal test .It was found that the a-mount of NaOH catalyst was a key factor of preparing A-stage phenolic resin , and the curing of the foam plastics needed to use sulfuric acid as the catalyst .The foams'mechanical properties could be tailored by using different foaming processes .The amount of curing agent , foaming agents and foaming time and tem-perature exerted great influence on the foams properties .Under optimum conditions , a kind of foam with cell diameter of 200μm, compressive strength of 1 003.8 kPa and modulus of 25.37 MPa was obtained , which satisfied the requirement of phenolic foam plastics of national standards .
