SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES*

ZHANG Rongben; XIE Zushou; WAN Youzhi; JIN Sunzhi; HOU Jianan

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SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES*

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- SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES*
- Vol. 11, Issue 3, Pages: 210-219(1993)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica,Beijing,100080
  2.   Academia
  3.   Beijing
  4.   100080
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 September 1993
- Accepted：
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[1]张榕本,谢祖(王寿),万有志,金顺子,侯建安.SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES[J].Chinese Journal of Polymer Science,1993,{4}(03):210-219.

ZHANG Rongben, XIE Zushou, WAN Youzhi, et al. SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES*[J]. 1993, 11(3): 210-219.
[1]张榕本,谢祖(王寿),万有志,金顺子,侯建安.SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES[J].Chinese Journal of Polymer Science,1993,{4}(03):210-219. DOI：

ZHANG Rongben, XIE Zushou, WAN Youzhi, et al. SYNTHESIS AND MESOMORPHIC PROPERTIES OF FISHBONE-LIKE LIQUID CRYSTALLINE POLYSILSESQUIOXANES——Ⅰ. FISHBONE-LIKE, β-DIKETONE-BASED LIQUID CRYSTALLINE POLYSILSESQUIOXANES AND THEIR COPPER COMPLEXES*[J]. 1993, 11(3): 210-219. DOI：

摘要

正

Two kinds of fishbone-like

β-diketone-based liquid crystalline polysilsesquioxanes（FBDKLCP’S）

homopolymeric （H-FBDKLCP） and copolymeric （C-FBDKaLCP） have been first synthesized via the hydrosilylation reaction of a vinyl-terminated β-diketone with the homopolymeric ladderlike polyhydrosilsesquioxane （LPHSQ） and random copolymethylhydrosilsesquioxane （LRPMHSQ） respectively. These new kinds of FBDKLCP with M of 10

is thermotroic liquid crystalline polymer and its clearing temperatures T

’s and mesophase range △T’s are much higher than those of the corresponding comb-like β-diketone liquid crystalline polysiloxane （DKLCP） by about 200℃. Similar results have been observed with the comparison of the two different structure Cu-coordinating compounds The significant increases in T

（?）

’s and △T’s of the FBDKLCP and Cu-FBDKLCP are mainly attributed to the great rigidity of the ladderlike polysilsesquioxane backbone.

Abstract

Two kinds of fishbone-like

β-diketone-based liquid crystalline polysilsesquioxanes（FBDKLCP’S）

is thermotroic liquid crystalline polymer and its clearing temperatures T

（?）

’s and △T’s of the FBDKLCP and Cu-FBDKLCP are mainly attributed to the great rigidity of the ladderlike polysilsesquioxane backbone.

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