Composition based on aliphatic polycarbonates with acrylic or metacrylic end groups and capable of being cross-linked in the presence of radicalic initiators
申请人:ANIC S.p.A.
公开号:EP0092269A1
公开(公告)日:1983-10-26
Composition based on aliphatic polycarbonate with acrylic or metacrylic end groups cross-linkable in the presence of radicalic initiators obtained by functionalizing with acrylic or metacrylic groups a mixture consisting of diols, polyols and their -OH-terminated oligomeric derivatives containing in their molecules carbonate groups.
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.
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.