COMPOSITION FOR COLOR CHANGE INDICATOR OVER TIME AND COLOR CHANGE INDICATOR OVER TIME USING THE SAME

• Main Author: SAKUMURA TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 06.08.2020
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; LAKES; LINING MACHINES; MEASURING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PHYSICS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TESTING; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide a color change indicator over time and a composition for the color change indicator over time used for the indicator, capable of being stably stored in such a way as not to change color after creation of the indicator and before its use and initiating the discoloration of the indicator with the start of use of a product to which the indicator is applied.SOLUTION: A composition for a color change indicator over time contains a triphenylmethane-based basic dye, a color change assistant, a binder resin, and a basic solution. The color change indicator over time has a color change layer formed from the composition for the color change indicator over time on a base material.SELECTED DRAWING: None 【課題】インジケータ作製後その使用開始前に変色しないように安定に保存することができ、インジケータを適用させた製品の使用開始に伴い、インジケータの変色を開始させることができる、経時変色性インジケータ及びそれに用いる経時変色性インジケータ用組成物を提供する。【解決手段】トリフェニルメタン系塩基性染料、変色助剤、バインダー樹脂及び塩基性溶液を含有する、経時変色性インジケータ用組成物。基材上に、前記経時変色性インジケータ用組成物から形成される変色層を有する経時変色性インジケータ。【選択図】なし