摘要:
The present invention provides a water-based ink that is used in ink jet printer printing, with a writing instrument, or the like, that has a low settling rate and for which clogging is not prone to occurring, that can be stored stably for a long period without the viscosity or the carbon black particle diameter increasing, and for which printing with a deep black color and a high print density is possible, and a modified carbon black dispersion used for preparing this water-based ink. The present invention is a liquid having dispersed therein a modified carbon black obtained by subjecting a carbon black raw material powder to oxidation treatment, wherein the modified carbon black has on the surface thereof (a) carboxyl groups, and (b) lactone groups in a molar amount of at least 500 µmol/g relative to the weight of the modified carbon black and a molar ratio of 0.8 to 1.1 times the amount of the carboxyl groups.
摘要:
Laser ray transmitting colored thermoplastic resin composition containing a dis-azo salt forming dye consisting of an anionic component from a dis-azo acid dye and an organic ammonium component, said acid dye being represented by Formula (1) below,R 1 -N=N-E-N=N-R 2 .... (1); E: (2), (3), (4); R 1 , R 2 : aryl, pyrazolone; one or more of E, R 1 , R 2 have sulfonic acid group, .... (2); R 3 , R 4 : hydrogen atom, alkyl, sulfonic acid group, .... (3); R 5 , R 6 : hydrogen atom, sulfonic acid group, .... (4); R 15 : sulfonic acid group. Method of laser welding wherein a contact portion of a laser ray transmitting material comprising the laser ray transmitting colored thermoplastic resin composition above and a laser ray absorbing material is welded by irradiating laser ray so that the laser ray passes through the laser ray transmitting material and is absorbed in the laser ray absorbing material with the laser ray transmitting material and the laser ray absorbing material in contact with each other.
摘要:
Laser ray transmitting colored thermoplastic resin composition containing a triphenylmethane salt forming dye consisting of an anionic component from a triphenylmethane acid dye and an organic ammonium component, said acid dye being represented by Formula (1) below, R 1 : hydrogen atom or alkyl group, R 2 : hydrogen atom, alkyl group, hydroxyl group, carboxyl group, or sulfonic acid group, R 3 : hydrogen atom, sulfonic acid group, aryl group not having or having substituent, or group represented by Formula (D) below, R 12 , R 13 : hydrogen atom, alkyl group not having or having substituent, aryl group not having or having substituent, or aralkyl group not having or having substituent, A 1 , A 2 : hydrogen atom or alkyl group not having or having substituent, B 1 , B 2 : aryl group not having or having substituent or aralkyl group not having or having substituent, one, two or more of R 2 , R 3 , B 1 and B 2 are sulfonic acid groups or have a sulfonic acid group. Method of laser welding wherein a contact portion of a laser ray transmitting material comprising the laser ray transmitting colored thermoplastic resin composition above and a laser ray absorbing material is welded by irradiating laser ray so that the laser ray passes through the laser ray transmitting material and is absorbed in the laser ray absorbing material with the laser ray transmitting material and the laser ray absorbing material in contact with each other.
摘要:
Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone dyes and at least one other red dye to absorb and transmit select regions of visible light and to enhance weldability.
摘要:
Disclosed is a red luminous ink composition comprising a europium complex represented by the formula: wherein R 1 is a hydrogen atom or a substituent selected from the group consisting of an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms and a halogen atom, R is a group selected from the group consisting of a fluorine-comprising alkyl group having from 1 to 20 carbon atoms, a substituted or unsubstituted alkyl group having from 1 to 6 carbon atoms, a substituted or unsubstituted aralkyl group having from 7 to 10 carbon atoms and a substituted or unsubstituted aryl group having from 6 to 12 carbon atoms. The red luminous ink composition exhibits satisfactory emission intensity under ultraviolet irradiation.
摘要:
The present invention provides a deodorizer comprising a water-soluble metallophthalocyanine represented by the formula: wherein, "Met" is a central metal, X is an acidic group or alkali metal salt thereof, m and p are respectively an integer of from 1 to 15, and m + p is not more than 16. The deodorizer shows excellent deodorizing ability for an aldehyde-origin odor.