Title:
CRYSTALLINE POLYMER EXHIBITING SOLID PHASE TRANSITION PHENOMENON AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2005/003194
Kind Code:
A1
Abstract:
A crystalline polymer exhibiting crystal transition in the state of solid phase, which satisfies the relationship defined by the formula 150 > &Dgr Htr > 1.6Ttr - 3.5 (1) (wherein &Dgr Htr represents the endotherm (J/g) accompanying crystal transition, and Ttr represents the crystal transition temperature (°C)). This crystalline polymer has a weight average molecular weight of 600 thousand or less and a crystal transition temperature (Ttr) of 67°C or below. Since this crystalline polymer has low phase transition temperature, high phase transition calorific value and high melting point, the potential utility thereof as a switching element or a thermal storage material used around living environment temperature (20 to 50°C) is high.
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Inventors:
KONISHI RYO (JP)
OKUBO YOICHI (JP)
FUKUNAGA KENJI (JP)
ARIDOMI TADATOSHI (JP)
OKUBO YOICHI (JP)
FUKUNAGA KENJI (JP)
ARIDOMI TADATOSHI (JP)
Application Number:
PCT/JP2004/009653
Publication Date:
January 13, 2005
Filing Date:
July 07, 2004
Export Citation:
Assignee:
UBE INDUSTRIES (JP)
KONISHI RYO (JP)
OKUBO YOICHI (JP)
FUKUNAGA KENJI (JP)
ARIDOMI TADATOSHI (JP)
KONISHI RYO (JP)
OKUBO YOICHI (JP)
FUKUNAGA KENJI (JP)
ARIDOMI TADATOSHI (JP)
International Classes:
C08F36/06; C09K5/06; H01C7/02; (IPC1-7): C08F36/06; C08F8/08; C09K5/02; G05D23/275; H01H37/46; H01H37/52
Domestic Patent References:
| WO2001057889A1 | 2001-08-09 |
Foreign References:
| JP2001213917A | 2001-08-07 | |||
| JPS4960256U | 1974-05-27 | |||
| JP2002124172A | 2002-04-26 | |||
| JPS3822230Y1 | ||||
| JPH1077305A | 1998-03-24 | |||
| JPH10316715A | 1998-12-02 |
Other References:
See also references of EP 1642912A4
Attorney, Agent or Firm:
Watanabe, Kazuhira (3rd Fl. 20-18, Asakusabashi 3-chom, Taito-ku Tokyo 53, JP)
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