全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

AIM核壳增韧剂/PVC树脂共混体系性能

, PP. 30-34

Keywords: 核壳粒子,丙烯酸酯抗冲击改性剂,脆韧转变,空洞化

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用自制的丙烯酸丁酯接枝甲基丙烯酸甲酯核壳结构增韧剂(PBA-g-PMMA,AIM)与聚氯乙烯(PVC)树脂熔融共混,制备了AIM/PVC共混物。研究了增韧剂粒子在PVC中的分散和空洞化、AIM/PVC共混物的断裂与脆韧转变。结果表明,球形的增韧剂粒子能够在PVC树脂中均匀分散并对PVC有很好的增韧作用,在PVC树脂中加入质量分数为615%AIM时,冲击样条以韧性方式断裂;样条冲击断面周围应力发白区域内产生了空洞。提出AIM增韧PVC的机理是橡胶粒子的空洞化与塑料基体剪切屈服协同作用。

References

[1]  Liu Zhehui, Zhu Xiaoguang, Wu Lixin, et al . Effect s ofinterfacial adhesion on t he rubber toughening of poly ( vinylchloride) Ⅰ: Impact test s [J] . Pol ymer, 2001, 42 (2) : 737- 746.
[2]  Wal sh D J, Makeown J G. Compatibility of polyacrylates andpolymet hacrylates wit h poly ( vinyl chloride) [J] . Pol ymer,1980, 21 (4) : 1330 - 1334.
[3]  Lesser A J, Crawford E. Mechanics of rubber particle cavitation in toughened polyvinyl chloride ( PVC) [J] . Pol ymer,2000, 41 (7) : 5865 - 5870.
[4]  Breuer H, Haaf F, Stabenow J J . St ress whitening and yielding mechanism of rubber modified PVC [J] . Macromol SciPhys, 1977, B14 (3) : 387 - 417.
[5]  张会轩, 戴 英, 杨海东. 核壳结构聚丙烯酸酯增韧剂改性PVC 的研究[J] . 应用化学, 1997, 14 (3) : 93 - 95.Zhang Huixuan, Dai Ying, Yang Haidong. Impact modification of PVC wit h PBA/ PMMA core shell composite particles[J] . Chinese J ournal of A p plied Chemistry, 1997, 14 (3) :93 - 95.
[6]  张会轩, 鲍晓野, 杨海东. 塑料的增韧机理[J] . 长春工业大学学报, 2002, 23 (8) : 77 - 79.Zhang Huixuan, Bao Xiaoye, Yang Haidong. Tougheningmechanism of plastics [J] . J ournal of Changchun Universit y of Technology, 2002, 23 (8) : 77 - 79.
[7]  金日光, 华幼卿. 高分子物理[M] . 北京: 化学工业出版社, 2001. 176 - 185.Jin Riguang, Hua Youqing. Polymer Physics [M] . Beijing :Chemical Indust ry Press, 2001. 176 - 185.
[8]  Bucknall C B. Toughened Plastics [M] . America : AppliedScience Publishers, 1977. 150.
[9]  Yee A F, Pearson R A. Toughening mechanism in elastomermodified epoxies [J] . J Mater Sci, 1986, 21 ( 7) : 2462 -2466.
[10]  Yee A F, Pearson R A. Toughening mechanism in elastomermodified epoxies [J] . J Mater Sci, 1989, 24 (7) : 2571 -2577.
[11]  Pearson R A, Sue H J, Yee A F. Toughening of Plastics[M] . Washington D C: American Chemical Society, 2000.
[12]  Polato F. Toughened polybutylene tenepht halate compounds[J] . J Mater Sci, 1985, 20 (4) : 1455 - 1459.
[13]  Bucknall C B, Heat her P S, Lazzeri A. Rubber toughening ofplastics [J] . J Mater Sci, 1989, 24 (7) : 2255 - 2259.
[14]  Dompas D, Groeninckx G, Isogawa M, et al . Cavitation versus debonding during deformation of rubber-modified poly(vinyl chloride) [J] . Pol ymer, 1995, 36 (3) : 437 - 443.
[15]  Lee B L. Mechanically compatible, polyphase blend of poly( vinyl chloride ), chlorinated polyolefin, polyolefin, andgraft copolymer of polyolefin, and rigid fiber-reinforced composite
[16]  [P] . US, 4767817. 1988-08-30.
[17]  武德珍, 宋勇志, 金日光. PVC/ 弹性体/ 纳米CaCO3 复合体系的加工和组成对力学性能的影响[J] . 复合材料学报,2004, 21 (1) : 119 - 124.Wu Dezhen, Song Yongzhi, Jin Riguang. Effect of processingand composition on t he properties of PVC/ elastomer/ nano-CaCO3 composite [J] . Acta Materiae Composi tae S inica,2004, 21 (1) : 119 - 124.
[18]  Manoj N R, Depp J . Self-crosslinkable plastic-rubber blendsystem based on PVC and acrylonit rile-co-butadiene rubber[J] . J A p pl Pol ym Sci, 1993, 49 (1) : 132 - 136.
[19]  Robin Madgwick, Bernard Cora. New impact modifier improves mechanical and physical properties of vingl profiles[J] . Plastics A d diti ve and Compounding, 2002, 4 (9) : 16- 18.
[20]  杨巧珍, 李 峰, 段 雪. 镁铝碳酸根型LDH 与聚氯乙烯的复合性能研究[J] . 复合材料学报, 2003, 20 (5) : 82 - 86.Yang Qiaozhen, Li Feng, Duan Xue. Study on properties ofcomposite material of layered double hydroxide and polyvinylchloride [J] . Acta Materiae Compositae S inica, 2003, 20(5) : 82 - 86.
[21]  Michler G H, Bucknall C B. Blends containing core-shell impact modifiers [J] . Plastics, Rubber and Composites, 2001,30 (3) : 110 - 115.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133