MATRIX-ASSISTED LASER-DESORPTION IONIZATION TIME-OF-FLIGHT MASS-SPECTROMETRY CHARACTERIZATION OF POLY(BUTYL METHACRYLATE) SYNTHESIZED BY GROUP-TRANSFER POLYMERIZATION

被引：104

作者：

DANIS, PO ^{[1
]}

KARR, DE ^{[1
]}

SIMONSICK, WJ ^{[1
]}

WU, DT ^{[1
]}

机构：

[1] DUPONT CO INC, MARSHALL RES & DEV LAB, PHILADELPHIA, PA 19146 USA

来源：

MACROMOLECULES | 1995年 / 28卷 / 04期

关键词：

D O I：

10.1021/ma00108a060

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Matrix-assisted laser desorption/ionization time-of-flight (MALDI/TOF) mass spectrometry has been used for the analysis of poly(butyl methacrylate) synthesized by group-transfer polymerization, and the absolute molecular weight distributions have been determined for polymers up to 100 000. For lower molecular weight poly(butyl methacrylate) we obtained structural information confirming composition and end groups. The compounds were desorbed from trans-3-indoleacrylic acid and detected as positive ions showing molecular weight and several multiply charged distributions from submilligram amounts of sample. The results provided answers to ambiguities which two separate GPC measurements had created. MALDI results were supported by light scattering measurements.

引用

页码：1229 / 1232

页数：4

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