Table 1 Characterization of discrete triblock copolymers with varied architectural symmetry

From: Stabilizing hexagonally close-packed phase in single-component block copolymers through rational symmetry breaking

sample

MWcal. (Da)a

MWobs. (Da)b

fLc

τd

phasee

af

<D > g

TODTh

DA24L48

9112.81

9136.01

0.31

0

HEX

13.24

280

L8DA24L40

9112.81

9136.44

0.31

0.17

σ

46.612*24.68

15.06

140

L16DA24L32

9112.81

9135.88

0.31

0.33

A15

19.273

11.95

85

L24DA24L24

9112.81

9135.88

0.31

0.50

HEX

9.13

90

DA24L40

8536.65

8559.64

0.27

0

HEX

12.09

220

L8DA24L32

8536.65

8559.89

0.27

0.20

σ

42.282*22.31

13.64

105

L16DA24L24

8536.65

8559.39

0.27

0.40

A15

17.033

10.57

45

L20DA24L20

8536.65

8559.43

0.27

0.50

HEX

8.04

50

DA24L32

7960.48

7983.42

0.23

0

σ

41.992*22.16

13.55

180

L8DA24L24

7960.48

7982.98

0.23

0.25

HCP

10.712*17.48

11.83

55

L12DA24L20

7960.48

7983.22

0.23

0.38

Dis

L16DA24L16

7960.48

7983.22

0.23

0.50

Dis

  1. aExact molecular weight, Da.
  2. bMolecular weight observed by MALDI-ToF MS, [M+Na]+, Da.
  3. cVolume fraction of the oLA block.
  4. dAsymmetric parameter of the oLA block.
  5. ePhase determined by SAXS.
  6. fLattice dimension, nm.
  7. gAverage diameter of the spherical motifs, nm.
  8. hOrder-to-disorder transition temperature (°C), determined by SAXS. See the supplementary discussions and calculations for detailed calculations.