WO1983002255A1 - Feuille d'enregistrement sensible a la pression - Google Patents

Feuille d'enregistrement sensible a la pression Download PDF

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Publication number
WO1983002255A1
WO1983002255A1 PCT/JP1982/000467 JP8200467W WO8302255A1 WO 1983002255 A1 WO1983002255 A1 WO 1983002255A1 JP 8200467 W JP8200467 W JP 8200467W WO 8302255 A1 WO8302255 A1 WO 8302255A1
Authority
WO
WIPO (PCT)
Prior art keywords
acid
color
compound
clay
parts
Prior art date
Application number
PCT/JP1982/000467
Other languages
English (en)
Japanese (ja)
Inventor
Ltd. Mitsubishi Paper Mills
Original Assignee
Kosaka, Takao
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kosaka, Takao filed Critical Kosaka, Takao
Publication of WO1983002255A1 publication Critical patent/WO1983002255A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B41M5/1555—Inorganic mineral developers, e.g. clays

Definitions

  • the present invention relates to an E-sensitive recording sheet, and more particularly to an improvement in color image storage stability of a pressure-sensitive recording sheet.
  • the ⁇ -recording sheet is generally an electron-donating organic color represented by a crystalline pyrolectolactone, a benzoyl cocomethylene, a roux, etc. (Hereinafter referred to as a color forming agent), a montmorillonite-type clay mineral (hereinafter referred to as an activated clay), which has been activated with an acid to increase its activity, a phenol compound, and an aromatic card 'Micro cuff containing a color former, which utilizes color development by the reaction of an electron-accepting color developer (hereinafter referred to as a color developer) such as boronic acid or a metal salt thereof.
  • a color developer an electron-accepting color developer
  • An object of the present invention is to improve the above-mentioned drawbacks of the prior art and to provide a photosensitive recording sheet with improved color image storage stability.
  • the object of the present invention has been attained by using a biphenol compound as a color developer together with the above-mentioned magnesium-magnesia compound.
  • the gist of the present invention is that acid clay is subjected to acid treatment, and aluminum-dimion is roughly removed; ⁇ it is completely removed, and the aromatic adsorption index is set to 40 or more, and then magnesium is added.
  • a developer consisting of a silicon-magnesia compound and a bisphenol compound into which an on is introduced, and a microphone ⁇ -force cell containing a color former which is a basic colorless dye. It is on the Kanou record sheet that is used in combination.
  • Shi Li force Ma 'Gune shea ⁇ compound used in the present invention requires a step of acid treatment of motor down mode Li port Nai preparative clay minerals, motor down mode Li b Nai Preparative clay minerals formula x m ( Y 2+, y 3+ ) 2 ⁇ 3 Z 4 0 10 (H0) 2.
  • O PI s is the number of interlayer water
  • the acid clay has an AJ3 ⁇ 4 of 5 to 30 parts by weight with respect to si 100 parts by weight.
  • the Fe ion, Mg ion, and Ca ion are eluted when the monmorillonite clay mineral is treated with sulfuric acid or hydrochloric acid.
  • AJ ion is eluted, and the magnesium acetate compound used in the present invention is treated until the A ion is completely completely removed.
  • the aromatic adsorption index of the treated clay must be over 40.
  • the aromatic adsorption index is an index that reflects the degree of adsorption capacity or activity of treated clay, and is also used as an index that conveniently indicates the specific surface area of treated clay. .
  • the aromatic adsorption index of not less than 403 ⁇ 4 is not used in the present invention because the aromatic adsorption index of active clay used as a color developer is 20 to 40. Is very active.] Means that the specific surface area is very large, and the acid point of the weak acid part that contributes to the color development with the crystal bioreactone. It shows that there are many things. It also shows that the effect of acid strength on the sulfate band in the base paper over time does not occur.
  • the aromatic adsorption index is determined by the following method.
  • the ground sample is dried at 150 ° C for 3 hours and allowed to cool to room temperature in a desiccator. This drying trial Add a mixture of 30 volumes of dehydrated toluene and 70 volumes of dehydrated iso-octane, and disperse the sample. After shaking at room temperature for 40 minutes, Settle the sample in a centrifuge and collect the supernatant. The refractive index of the supernatant and the original liquid was measured at 20 and the following formula was used.
  • AAI [( ⁇ 3 ⁇ 4 0) ⁇ - ( ⁇ 3 ⁇ 4 ° ) ⁇ X 10 4 in here
  • Acid point of strength 3 ⁇ 4 part is a state we leave for there only acid point of almost Ku weak part. However, in this state, it is difficult to develop and maintain the crystal violet tract at the highest intensity. The reason for this is that the best coloration of crystal oleotactic lactones is achieved. Optimum acid strength is weaker. At an acid point, the coloration reaction can be performed sufficiently; It is thought to be promoted by light such as sunlight.
  • M g nitrate magnesiate ⁇ beam introduced into the treatment clay consisting Si0 2, Shioi ⁇ Mak ,, roots ⁇ arm, over 'perchlorate Mak ,, roots ⁇ beam, formic acid Mak,' roots ⁇ beam, Use magnesium sulfate, magnesium, magnesium hydroxide, etc.
  • the amount of addition may be such that Mg is added in an amount of 5 to 30 parts by weight, preferably 10 to 20 parts by weight, based on 100 parts by weight of Si.
  • Activated clay from which A ions have been removed is added to the solution in which the above salt is dissolved, and heat treatment is performed. Alkaline to fix the Mg ion and heat at 50-500 iC, then wash with water. At this time, a short time treatment with a weak acid such as phosphoric acid may be performed, and drying at 100 to 350 mm is used in the present invention. Power ⁇ Get magnesium compound.
  • the amount of bisphenol compound added is silica. It is 5 to 3 Q parts by weight per 100 parts by weight of magnesium compound.]? Less than 5 parts by weight has little effect If the content is more than 30 parts by weight, the color developability deteriorates.
  • the addition method is as follows: a fine powder that has passed through a 32.5-mesh filter, may be added as it is; a small amount of a dispersing aid is used in terms of color development and surface smoothness. However, it is preferable to add by pulverizing with a wet pulverizer such as a pole mill, an attritor, a sandok, or a binder.
  • Examples of the basic colorless dye as the color-forming agent of the present invention include crystal noble dyes, penzylloycomethyrene, and non-aqueous dyes. , Mara Kite Talk, Lean Lacton, Rotamin B lactam, 5-Dial ⁇ - ⁇ -7-- Oranes, 5 — Methyl -2,2-S
  • the developer layer of the silica / magnesia compound and the bisphenol compound may further include kaolin, crepe, talc, and carbonate as extender pigments. It can be applied using a combination of calcium, zinc oxide, aluminum hydroxide, magnesium oxide, magnesium carbonate, silica, etc. Latex such as styrene-butadiene-based latex, acrylic-based latex, etc.
  • Carbo Ximethyl Cellulose, Hydroxyl Cellulose, Methylcellulose, Polyvinyl Alcohol, Casey Water-soluble polymer binders such as carbohydrate, gelatin, soy protein, and sodium alginate can be used alone or in combination.
  • the addition amount of these binders is 10 to 40 parts by weight, preferably 20 to 100 parts by weight of the silica-magnesia conjugate and the bisphenol compound. To 50 parts by weight.
  • the color former is dissolved in a solvent, and the mic is converted to a 7 ° cell and applied to the base paper.
  • natural or synthetic oils can be used alone or in combination.
  • solvents are cottonseed oil, kerosene, paraffin, naphthenic oil, alkylylidene biphenyl, phenolic diphenyl, triphenylene Tan, chlorinated paraffin, etc. can be mentioned.
  • a well-known microphone mouth capsule method can be applied.
  • a method for producing a 7 ° cell with a micro force US Pat. No. 2,800,457 and US Pat.
  • a method using a polymer a method based on polymer precipitation as shown in US Pat. Nos. 5,418,250 and 3,004,304, and the like.
  • Micro cuff containing a color former The cell is applied to a sheet, such as paper, with various additives, binders, antioxidants, antifoulants, and surfactants.
  • the deviation also indicates “parts by weight”.
  • Table 1 shows the characteristics when colored paper and colored paper are combined. You.
  • Example-1 Same as in Example-1 except that 4,4'-isopropyl densified phenol is not added.
  • Example 2 The same as in Example 1 except that the color developing agent was crystal violent lactone alone.
  • Example-2 4, 4 '-Isof. The same as above, except that 4,4'-thiobis (3-methyl- ⁇ -t- ⁇ butylphenol) was used instead of the mouth pyridene phenol.
  • Example-2 The same except that the amount of pyridene phenol is 40 parts by weight with respect to the magnesium catalyst.
  • the color development shows the value measured with a Macbeth densitometer, combining the color developing paper and the color developing paper and developing the color at 5 Ok ⁇ Zcm 2 .
  • the color developing ability does not decrease with time, and it is excellent in resistance to discoloration and discoloration with nitrogen oxides.
  • the color of the comparative example was insufficient, and the color development density was insufficient. It is a substance with reduced color ability and insufficient discoloration resistance with nitrogen oxides.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)

Abstract

Feuille d'enregistrement sensible à la pression possédant en combinaison un révélateur couleur comprenant un composé silice-magnésie préparé par un traitement par l'acide d'une argile acide afin d'extraire complètement l'ion aluminium et d'ajuster l'indice d'absorption aromatique à une valeur égale ou supérieure à 40 et en y introduisant un ion magnésium et un composé de diphénol et des microcapsules contenant une teinture basique incolore en tant que révélateur couleur. Cette feuille permet d'obtenir une image en couleur présentant d'excellentes caractéristiques de conservation.
PCT/JP1982/000467 1981-12-22 1982-12-15 Feuille d'enregistrement sensible a la pression WO1983002255A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56/208728811222 1981-12-22
JP56208728A JPS58108190A (ja) 1981-12-22 1981-12-22 感圧記録シ−ト

Publications (1)

Publication Number Publication Date
WO1983002255A1 true WO1983002255A1 (fr) 1983-07-07

Family

ID=16561092

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1982/000467 WO1983002255A1 (fr) 1981-12-22 1982-12-15 Feuille d'enregistrement sensible a la pression

Country Status (2)

Country Link
JP (1) JPS58108190A (fr)
WO (1) WO1983002255A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6096487A (ja) * 1983-10-31 1985-05-30 Mitsubishi Paper Mills Ltd 画像記録材料用顕色シ−トの製造法
CN111304964A (zh) * 2019-10-08 2020-06-19 浙江长安仁恒科技股份有限公司 一种无碳复写纸显色剂及其制备工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139566B2 (fr) * 1973-01-12 1976-10-28
JPS5342910A (en) * 1976-09-30 1978-04-18 Fuji Photo Film Co Ltd Recording materials
JPS5597982A (en) * 1979-01-19 1980-07-25 Fuji Photo Film Co Ltd High solid content active clay slurry composition and production thereof
JPS55103994A (en) * 1979-02-01 1980-08-08 Mizusawa Ind Chem Ltd Color-developing agent composition for pressure-sensitive transfer paper, its preparation and impression paper for pressure-sensitive transfer
JPS56115293A (en) * 1980-02-19 1981-09-10 Fuji Photo Film Co Ltd Recording material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139566B2 (fr) * 1973-01-12 1976-10-28
JPS5342910A (en) * 1976-09-30 1978-04-18 Fuji Photo Film Co Ltd Recording materials
JPS5597982A (en) * 1979-01-19 1980-07-25 Fuji Photo Film Co Ltd High solid content active clay slurry composition and production thereof
JPS55103994A (en) * 1979-02-01 1980-08-08 Mizusawa Ind Chem Ltd Color-developing agent composition for pressure-sensitive transfer paper, its preparation and impression paper for pressure-sensitive transfer
JPS56115293A (en) * 1980-02-19 1981-09-10 Fuji Photo Film Co Ltd Recording material

Also Published As

Publication number Publication date
JPS58108190A (ja) 1983-06-28

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