Synthesis of functionalized macrocyclic derivatives of trioxabicyclo[3.3.0]nonadiene
作者:Sabine Leber、Gert Kollenz、Curt Wentrup
DOI:10.3762/bjoc.8.83
日期:——
C72-Macrocyclic systems functionalized with nitroaryl and arylamino groups were synthesized from the bisdioxine diacid dichloride 1,3,5,7-tetra-tert-butyl-2,6,9-trioxabicyclo[3.3.1]nona-3,7-diene-4,8-dicarbonyl dichloride (3).
THERMOCHROMIC COLOR-MEMORY COMPOSITION, AND THERMOCHROMIC COLOR-MEMORY MICROCAPSULE PIGMENT HAVING THE COMPOSITION ENCAPSULATED THEREIN
申请人:THE PILOT INK CO., LTD.
公开号:EP2431444A1
公开(公告)日:2012-03-21
The present invention relates to a thermochromic color-memory composition comprising a solubilized mixture of (I) an electron donating coloring organic compound, (II) an electron accepting compound and (III) an ester compound represented by the following formula (1) as a reaction medium which controls color reactions of the components (I) and (II):
wherein R represents an alkyl group having 1 to 21 carbon atoms or an alkenyl group having 1 to 21 carbon atoms, and n represents an integer of from 1 to 3.
POLYETHYLENE-2,6-NAPHTHALATE COMPOSITION WITH EXCELLENT BLOW MOLDABILITY, AND MOLDED PRODUCT THEREOF
申请人:Teijin Limited
公开号:EP3109271A1
公开(公告)日:2016-12-28
The object of the present invention is to provide a highly crystalline polyethylene-2,6-naphthalate composition by achieving high molecular weight of PEN, wherein the polyethylene-2,6-naphthalate composition has greatly improved blow moldability and provides molded products having excellent hue, excellent weathering resistance, and additionally excellent transparency. The above-mentioned problems can be solved by a polyethylene-2,6-naphthalate composition comprising a specific phosphoric acid which is a phosphorus compound, cobalt element derived from a cobalt compound, manganese element derived from a manganese compound, and antimony element derived from an antimony compound, wherein the content of each of the elements simultaneously satisfies the following expressions (1) to (4): 10≤Co≤30mmol% 0.50≤P/Mn≤1.28 10≤Sb≤25mmol% 0.60≤IV≤1.50dL/g
Polyethylene-2,6-naphthalate composition with excellent blow moldability, and molded product thereof
申请人:TEIJIN LIMITED
公开号:US10017629B2
公开(公告)日:2018-07-10
The object of the present invention is to provide a highly crystalline polyethylene-2,6-naphthalate composition by achieving high molecular weight of PEN, wherein the polyethylene-2,6-naphthalate composition has greatly improved blow moldability and provides molded products having excellent hue, excellent weathering resistance, and additionally excellent transparency. The above-mentioned problems can be solved by a polyethylene-2,6-naphthalate composition comprising a specific phosphoric acid which is a phosphorus compound, cobalt element derived from a cobalt compound, manganese element derived from a manganese compound, and antimony element derived from an antimony compound, wherein the content of each of the elements simultaneously satisfies the following expressions (1) to (4):
10≤Co≤30 mmol % (1)
0.50≤P/Mn≤1.28 (2)
10≤Sb≤25 mmol % (3)
0.60≤IV≤1.50 dL/g (4).
Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same
申请人:THE PILOT INK CO., LTD.
公开号:US11384247B2
公开(公告)日:2022-07-12
The present invention provides a thermochromic color-memory composition including (a) an electron-donating color-developing organic compound, (b) an electron-accepting compound, and (c) an ester compound represented by the following formula (1) or (2), as a reaction medium which controls color reaction of the component (a) and the component (b); and a thermochromic color-memory microcapsule pigment encapsulating the thermochromic color-memory composition.