苯乙烯(St)/甲基丙烯酸甲酯(MMA)/丙烯腈(AN)三元接枝共聚塑合木研制*

林业科学 ›› 1999, Vol. 35 ›› Issue (2): 82-86.

苯乙烯(St)/甲基丙烯酸甲酯(MMA)/丙烯腈(AN)三元接枝共聚塑合木研制^*

王强,曹爱丽,黄积涛,王友诚,孙继友

天津理工学院化学工程系天津300191

收稿日期:1998-12-14 出版日期:1999-03-25 发布日期:1999-03-25

A NEW-TYPE WPC COMPOSITE MATERIAL FROM TERNARY GRAFT POLYMERIZATION OF STYRENE, METHYE METHACRYLATE AND ACRYLONITRITE

Qiang Wang,Aili Cao,Jitao Huang,Youcheng Wang,Jiyou Sun

Department of Chemical Engineering, Tianjin College of Science and Engineering Tianjin 300191

Received:1998-12-14 Online:1999-03-25 Published:1999-03-25

摘要/Abstract

摘要：

本文报道了采用苯乙烯/甲基丙烯酸甲酯/丙烯腈(SMA)三元共聚单体浸入木材细胞壁与激活的纤维素进行接枝聚合反应,构成新型的高分子复合材料(SMA-WPC),经物理机械性能、吸水性、耐酸性检测,该材料硬度比素木提高了20%~35%,抗压强度提高了35%~45%,经98%浓硫酸3天浸泡,重量损失率下降22%,而在水介质8天浸渍,吸水率下降50%,并通过扫描电镜观察了塑化前后的微观结构。

关键词: 苯乙烯, 甲基丙烯酸甲酯, 丙烯腈, 三元共聚, 接枝, 塑合木

Abstract:

A novel polymer composite material(SMA WPC) was made from graft polymerization reaction with ternary copolymerization monomers such as styrene, methyl methacrylate and acrylonitrile(SMA) soaking into cell wall and activated cellulose. It was found that, by relative physical mechanical, water absorption, anti-acidity performances detected, the hardness of the manufactured material is 20%~35% higher, as well as the compressive capability of that 35%~45% higher than that of plain timber, And the weigh loss rate of the said substance decreases by 22% with three-day soaking in 98% concentrated sulphuric acid, and water absorption drops by 50% with eight-day dipping in water. And also, the microscopic structure before and after plasticiting was observed by means of scanning electron microscope.

Key words: tyrene, Methyl methacrylate, Acrylonitrile, Ternary polymerization, Graft, Wood-polymer composites(WPC)

王强,曹爱丽,黄积涛,王友诚,孙继友. 苯乙烯(St)/甲基丙烯酸甲酯(MMA)/丙烯腈(AN)三元接枝共聚塑合木研制^*[J]. 林业科学, 1999, 35(2): 82-86.

Qiang Wang,Aili Cao,Jitao Huang,Youcheng Wang,Jiyou Sun. A NEW-TYPE WPC COMPOSITE MATERIAL FROM TERNARY GRAFT POLYMERIZATION OF STYRENE, METHYE METHACRYLATE AND ACRYLONITRITE[J]. Scientia Silvae Sinicae, 1999, 35(2): 82-86.

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3	Rudolf Schaudy , Emll Proksch . Ind.Eng. Chem.Prod.Res.Dev, 1982. 21 (3): 369- 375. doi: 10.1021/i300007a006
4	Meyer J A.Forest Products Journal, 1982, 32(1) : 24 ~ 29
5	Maldas D , Kokta B V . Polymer Composites. April, 1990. 11 (2): 77- 89.

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