A bridge-like polymer synthesized by tandem metathesis cyclopolymerization and acyclic diene metathesis polymerization

Abstract

A novel bridge-like polymer with excellent thermal stability, an ordered ladder-like structure, and a fence-like ribbon morphology was synthesized by tandem metathesis cyclopolymerization and acyclic diene metathesis polymerization.

Ladder- and bridge-like polynorbornenes with phosphate linkers: facile one-pot synthesis and excellent properties

“…Highresolution mass spectrometry (HRMS) data were recorded on a Waters GCT Premier mass spectrometer with electron ionization mode. 1 H (500 MHz) and 13 C (125 MHz) NMR spectra were recorded using tetramethylsilane as an internal standard in CDCl 3 on a Bruker DPX spectrometer. Relative molecular weights and molecular weight distributions were measured by gel permeation chromatography (GPC), on an instrument equipped with a Waters 1500 Isocratic HPLC pump, a Waters 2414 refractive index detector, and a set of Waters Styragel columns (7.8 Â 300 mm, 5 mm bead size; 10 3 , 10 4 , and 10 5 Å pore size).…”

“…1 H NMR (CDCl 3 ): d (ppm) 7.39-7.24 (m, 2H, m-ArH), 7.23-7.04 (m, 3H, o-ArH + p-ArH), 6.36-6.24 (s, 4H, CH]CH), 3.83-3.67 (m, 8H, NCH 2 CH 2 O), 3.58-3.49 (m, 4H, CHCON), 3.28-3.17 (m, 4H, CHCH 2 CH), 1.80-1.73 and 1.71-1.52 (d, 4H, CHCH 2 CH). 13 C NMR (CDCl 3 ): d (ppm) 176. 5, 153.8, 138.4, 131.1, 122.3, 117.6, 63.4, 47.8, 46.0, 40.9, 38.6 rapid stirring.…”

“…1 H NMR ( CDCl 3 ): d (ppm) 6.26-6.22 (s, 4H, CH]CH), 4.28-4.23 (m, 2H, CH 2 OCOCH 2 ), 3.87-3.59 (m, 12H, NCH 2 CH 2 1.58-1.52 and 1.50-1.47 (d, 4H, CHCH 2 CH). 13 C NMR (CDCl 3 ): d (ppm) 176.8, 171.7, 139.2, 67.1, 47.8, 45.9, 36.3, 35.6, 32.4 Representative ROMP procedure for syntheses of the ladderlike polymer (poly( 1))…”

“…CH]CH), 3.92-3.60 (m, NCH 2 CH 2 O), CHC]ON + CHCH 2 CH), 1.82-1.47 (m, CHCH 2 CH). 13 C NMR (CDCl 3 ): d (ppm) 177.4,161.2,139.8,132.3,130.7,129.9,128.5,127.6,122.4,118.0,64.3,49.7,47.8,40.9,38.6,35.1. For poly(1b), 1 H NMR (CDCl 3 ): d (ppm) 7.…”

“…ArH),CH]CH), 4.32-4.24 (m, CH 2 OCOCH 2 ), 3.88-3.57 (m, NCH 2 CH 2 O + CHCON), 3.35-3.22 (m, CHCH 2 CH), 2.61-2.46 (m, CH 2 OCOCH 2 ), 1.77-1.49 and 1.48-1.37 (m, CHCH 2 CH). 13 C NMR (CDCl 3 ): d (ppm) 176.7, 171.6, 141.2, 135.8, 129.6, 128.4, 127.9, 127.2, 114.5, 65.1, 46.0, 39.7, 36.9, 36.4, 31.3. Typical one-pot synthesis of the alkene-terminated telechelic macromonomer (poly( 2)) and bridge-like polymer (poly( 3))…”