采用溶液共混法制备了笼形氯化氨丙基聚倍半硅氧烷/聚乳酸(OCAPS/PLLA)杂化材料,研究了OCAPS对PLLA热性能和力学性能的影响.结果表明,PLLA与OCAPS之间形成了氢键,OCAPS在PLLA基体中具有良好的分散性;随着OCAPS质量分数由0增至15%,OCAPS/PLLA杂化材料的玻璃化转变温度(Tg)由54.1℃升至54.5℃,熔融温度(Tm)由149.0℃降至147.6℃,OCAPS的加入没有改变PLLA的热分解温度,但使PLLA的储能模量由2206MPa降至1203MPa.
参考文献
[1] | Ragauskas AJ;Williams CK;Davison BH;Britovsek G;Cairney J;Eckert CA;Frederick WJ;Hallett JP;Leak DJ;Liotta CL .The path forward for biofuels and biomaterials[J].Science,2006(5760):484-489. |
[2] | 姚军燕,杨青芳,范晓东,郑亚萍,舒晓军.生物降解材料聚乳酸的共聚改性研究进展[J].材料导报,2005(12):23-26. |
[3] | 程蓉,钱欣.聚乳酸的改性及应用进展[J].化工进展,2002(11):824-826. |
[4] | Suprakas Sinha Ray;Masami Okamoto .Polymer/layered silicate nanocomposites:a review from preparation to processing[J].Progress in Polymer Science,2003(11):1539-1641. |
[5] | 曹丹,吴林波,李伯耿,黄源.聚乳酸纳米复合材料的研究进展[J].高分子通报,2007(10):15-20. |
[6] | Feber F J;Wyndham K D.Amine and ester-substituted silsesquioxanes:synthesis,characterization and use as a core for starburst dendrites[J].Chemical Communications,1998(03):323. |
[7] | Gravel M C;Zhang C;Dinderman M et al.Octa(3-chloro-ammoniumpropyl)octasilsesquioxane[J].Applied Organometallic Chemistry,1999,13:329. |
[8] | Custelcean R;Jackson J E .Dihydrogen bonding:structures,energetics,and dynamics[J].Chemical Reviews,2001,101:1963. |
[9] | Hobza P.;Havlas Z. .Blue-shifting hydrogen bonds [Review][J].Chemical Reviews,2000(11):4253-4264. |
[10] | Patel S;Bandyopadhyay A;Vijayabaskar V;Bhowmick AK .Effect of acrylic copolymer and terpolymer composition on the properties of in-situ polymer/silica hybrid nanocomposites[J].Journal of Materials Science,2006(3):927-936. |
[11] | Soong SY;Cohen RE;Boyce MC .Polyhedral oligomeric silsesquioxane as a novel plasticizer for poly(vinyl chloride)[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(5):1410-1418. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%