SYNTHESIS AND CHARACTERIZATION OF SIDE CHAIN LIQUID CRYSTATALLINE POLYSILOXANES CONTAINING BENZYL ETHER LINKING UNITS*

DAI Rongji; FU Ruonong; TONG Bin

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SYNTHESIS AND CHARACTERIZATION OF SIDE CHAIN LIQUID CRYSTATALLINE POLYSILOXANES CONTAINING BENZYL ETHER LINKING UNITS*

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF SIDE CHAIN LIQUID CRYSTATALLINE POLYSILOXANES CONTAINING BENZYL ETHER LINKING UNITS*
- Vol. 16, Issue 1, Pages: 9-17(1998)
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- Published：20 March 1998
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DAI Rongji, FU Ruonong, TONG Bin. SYNTHESIS AND CHARACTERIZATION OF SIDE CHAIN LIQUID CRYSTATALLINE POLYSILOXANES CONTAINING BENZYL ETHER LINKING UNITS*[J]. 1998, 16(1): 9-17.
DOI：

DAI Rongji, FU Ruonong, TONG Bin. SYNTHESIS AND CHARACTERIZATION OF SIDE CHAIN LIQUID CRYSTATALLINE POLYSILOXANES CONTAINING BENZYL ETHER LINKING UNITS*[J]. 1998, 16(1): 9-17. DOI：

摘要

Side chain liquid crystalline polysiloxanes containing benzyl ether linkingunits were synthesized by the hydrosilylation of poly (methylhydrosiloxane) with a series of4-(4-alkoxybenzyloxy)-4'-allyloxybiphenyl monomers [4-(4-methoxybenzyloxy )-4'-allyloxy-biphenyl(M1)

4-(4-ethoxybenzyloxy)-4'-allyloxybiphenyl (M2)

4-(4-propoxybenzyloxy)-4'-allyloxybiphenyl (M3)

4-(4-butoxybenzyloxy)-4'-allylox(M4)

4-(4-pentoxy-benzyloxy)-4'-allyloxybiphenyl (M5)

4-benzyloxy-4'-allyloxybiphenyl (M6)]. The phase behavior of monomeric and polymeric liquid crystals was characterized by differential scanning calorimetry and optical polarization microscopy where the groups are ranged from methoxy to pentoxy.Both the monomeric and polymeric liquid crystals exhibit liquid crystal behaviors.

Abstract

4-(4-ethoxybenzyloxy)-4'-allyloxybiphenyl (M2)

4-(4-propoxybenzyloxy)-4'-allyloxybiphenyl (M3)

4-(4-butoxybenzyloxy)-4'-allylox(M4)

4-(4-pentoxy-benzyloxy)-4'-allyloxybiphenyl (M5)

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