WO2007147303A1 - A pigment composition for expressing 10r 5/7, color expression made by the pigment composition, and its production method - Google Patents

Abstract

A pigment composition for expressing 10R 5/7, color expression made by the pigment composition, and its production method are described. The composition comprises 995-1005 weight parts of CSC-C basic material, 6.82-7.02 weight parts of PO73, 12.09-14.09 weight parts of PY42, 9.05-9.45 weight parts of PR101, and 22.37-24.37 weight parts of PW6. Main component of the above CSC-C is acrylic copolymer. The composition has good weatherability and stability, good recurrence, and all raw material and procuction method satisfy the low VOC and zero VOC environment protection requirement and standard. ΔE of the color expression made by the composition is lower than 0.50. The composition can be used in the fields of coating, ink, printing, textile, costume, multimedia device and the like.

Description

 Color characterization of a 10R 5/7 pigment composition, prepared by the composition, and a preparation method thereof

 The present invention relates to a pigment composition, and more particularly to a composition for expressing a 10R 5/7 pigment, and a color former prepared by the composition and a process for the preparation thereof. Background technique

 One color includes hue phase, lightness, and chroma, and as long as the hue phase, brightness, and chroma are determined, a unique color can be determined. According to the Chinese color system GB/T 15608-1995, in the theoretical model of the Chinese color system, any color can be calibrated with the hue, brightness and chroma of the color stereo, and given a certain number. The calibration method is to write the hue H first, then write the brightness V, write the chroma C after the slash, denoted by HV/C, take the color 10BG 5.5/6 as an example, 10BG for hue, 5.5 for lightness, and 6 for Chroma.

 From the theoretical value in the theoretical model to the production process of the color character, the color difference will be involved.

E, raw materials, formulas and processes, and many other important links. Among them, color difference control is a hard indicator to measure the ability of a country's color reproduction technology. The smaller the color difference is, the higher the degree of color theory is reduced to the physical sample, the higher the technical difficulty, and the stronger the scientific research strength of the country. The higher the process level. Therefore, the R&D technology and research and development results of color characterization in the theoretical model of China's color system reflect China's technological innovation ability in the color field, and it is extremely important for promoting the development of color science and technology in the whole country and improving the status of the country in the world color field. Far-reaching significance.

 The pigments are coated as specified to obtain color characterizations. Color characterizations are widely used in all aspects of national life, radiating and affecting every color-related area. For example, colored manufacturing, electronic imaging, color recording, multimedia storage and transmission, and liquid crystal display, covering practical samples of national standards under color representation, related industries include: modern architectural and decorative materials, clothing, textile materials, news dissemination Media and printing industry, multimedia display color and other industries.

 At present, the technical aspects of the theoretical model from the theoretical model to the reproduction of the color representation are still in the stage of inaccurate control, and this is the core of the application value of color theory. Summary of the invention

It is an object of the present invention to provide a composition of 10R 5/7 pigment, and the use of the composition The currently prepared color characterization and the preparation method thereof, the color characterization coating has good light resistance and reproducibility, moderate gloss, and environmental protection.

 A composition of 10R 5/7 pigment, in parts by weight:

 CSC-C base material 995 ~ 1005 parts;

 P073, pigment content is 30%, 6.82 ~ 7.02 parts;

 PY42, pigment content is 60%, 12.09 ~ 14.09 parts;

 PR101, the pigment content is 65%, 9.05 ~ 9.45 parts;

 PW6, pigment content is 65%, 22.37 ~ 24.37 parts.

 The main component of the above CSC-C base material is an acrylic copolymer having a content of 35 to 45%, an average molecular weight ranging from 15 to 200,000, an average particle diameter of 0.1 to 0.2 μm, and a minimum film forming temperature of 10 to 22 ° C. The glass transition temperature is 25~35 °C, anionic, and the pH is 8.5 ~ 10.0. The base material has a contrast ratio of 0.20 to 0.40, a Stormer viscosity of 90 to 100 KU, and an incident angle of 85. When the gloss is 5°~10°.

 A coloring property of 10R 5/7 color, with an incident angle of 85 according to the above raw materials and ratio. When, its gloss is 4. ~ 6 °, the color difference from the standard value ΔΕ 0.50, much lower than the GB/T 15608-1995 "China Color System" national standard stipulated in the color sample color tolerance △ Ε <3 requirements.

 The preparation method of the above 10R 5/7 color color character comprises the following steps:

 1. Mix the raw materials: Weigh the raw materials according to the above ratio of 10R 5 〃 and mix well.

 2. Coating: The coating is applied to the coated paper by mechanical coating at a relative humidity of 50% ± 5% and a room temperature of 23 ± 2 ° C. The coating is coated with a wet film. The thickness is 250 μm.

 3. Drying: The composition coating was dried in a precision oven at 50 ± 2 ° C for 3 to 4 hours to constant weight, taken out, and cooled to room temperature to obtain a color character.

 The invention has the advantages of high weather resistance and stability, good specific gravity, and the raw materials and processes used meet the requirements and standards of low VOC and zero VOC environmental protection; the color characterization and the theory of "China Color System" The standard values in the model are small compared to the color difference, the color is highly accurate, and the manufacturing process is refined, which has strong practical value and can be applied to many fields such as coatings, inks, printing, textiles, clothing, multimedia equipment, etc. . detailed description

Preferred pigments of the present invention include international pigment index codes of P073 (pigment content of 30%), PR101 (pigment content of 65%), PY42 (pigment content of 60%), and PW6 (pigment content of 65%). Among them, P073 (30% pigment content) organic orange, fresh color Yan, mainly used to adjust the bright orange color, excellent weather resistance and chemical resistance, is an expensive high-grade pigment; PR101 (pigment content is 65%) iron red, is the most commonly used inorganic pigment -, commonly used Iron red has the difference of yellow phase and blue phase, has strong tinting strength, and has a blue phase in dark red. It is often compounded with organic color paste to improve the weather resistance of bright colors, and it has strong hiding power; PY42 (Pigment content is 60%) It is one of the most commonly used inorganic pigments. It has a high degree of vividness when it is light yellow, and has a certain dark phase when it is deep yellow. It is often compounded with organic color paste to make bright colors. The weather resistance is improved, and it has strong hiding power; PW6 (65% pigment content) rutile type Ti02, the refractive index is 2.71, and the performance of each pigment is obviously superior to other white pigments. In the color compounding process, it mainly plays a decolorizing effect, and can adjust the color depth and saturation during the coloring, and is also an important pigment for improving the hiding power of the color composition.

 The contrast ratio was 0.78 ~ 0.82, the Stormer viscosity was 90~100KU, and the gloss (85.) was 5. ~ 10° CSC-C base material is our basic carrier for color realization. CSC-C base material is provided by Shenzhen Haichuan Industrial Co., Ltd.

 The composition of the 10R 5/7 pigment of the present invention is composed by weight:

 CSC-C base material 995~1005 parts;

 P073, the pigment content is 30%, 6.82 ~ 7.02 parts;

 PY42, pigment content is 60%, 12.09 ~ 14.09 parts;

 PR101, pigment content is 65%, 9.05 - 9.45 parts;

 PW6, pigment content is 65%, 22.37 ~ 24.37 parts.

 The main component of the above CSC-C base material is acrylic acid copolymer, the content is 35~45%, the average molecular weight range is 15.2 million, the average particle size is 0.1 ~ 0.2μΐΏ, and the minimum film forming temperature is 10 ~ 22 ° C, glass. The temperature is 25~35 ° C, anionic, and the pH is 8.5 ~ 10.0. The base material has a contrast ratio of 0.20 to 0.40, a Stormer viscosity of 90 to 100 KU, and a glossiness of 5 when the incident angle is 85°. ~10. . CSC-C base material is our basic carrier for color realization. CSC-C base material is provided by Shenzhen Haichuan Industrial Co., Ltd.

 A coloring property of 10R 5/7 color, according to the above raw materials and ratio, the glossiness is 4 when the incident angle is 85°. ~ 6. The color difference between the standard value and the standard value is ΔΕ 0.50, which is much lower than the requirement of the color tolerance of the color system sample △ Ε<3 according to the national standard specified in GB/T 15608-1995.

 The preparation method of the above 10R 5/7 color color character comprises the following steps:

 1. Mix the raw materials: Weigh the raw materials according to the above ratio of 1 OR 5/7 color and mix well.

2. Coating: The coating is applied to the coated paper by mechanical coating at a relative humidity of 50% ± 5% and a room temperature of 23 ± 2 ° C. The coating is coated with a wet film. The thickness is 250 μm. 3. Drying: The composition coating was dried in a precision oven at 50 ± 2 ° C for 3 to 4 hours to constant weight, taken out, and cooled to room temperature to obtain a color former.

 We will refer to the generated color characterization as CSC0550007, whose standard L* value, standard A* value, and standard B* value are 52.4, 29.71, 24.13, respectively. The color difference ΔΕ 0.50 between the measured value and the standard value of the color characterization. .

 Example 1:

 Weigh 6.92 g Ρ073, 13.09 g ΡΥ42, 9.25 g PR101, 23.37 g PW6, CSC-C base material 1000 g. The above raw materials are mixed and mixed, and then the mixed composition is uniformly coated on the coating under the conditions of relative humidity of 50%±5%, room temperature of 23±2° C. by mechanical coating. On the paper, the wet film thickness of the coating was 250 μm, and then dried in a precision oven at 50 ± 2 ° C for 3 to 4 hours to constant weight, taken out, and cooled to room temperature to obtain a color character.

 Example 2: Weighed by weight 6.82 g P073, 12.09 g PY42, 9.05 g PR101, 22.37 g PW6, CSC-C base 1000 g. The production process is the same as in the first embodiment.

 Example 3: Weighing 7.02 grams by weight P073, 14.09 grams PY42, 9.45 grams

PR101, 24.37 g PW6, CSC-C base 1005 g. The production process is the same as in the first embodiment.

 Example 4: Weighed 6.97 g P073, 13.59 g PY42, 9.21 g PR101, 23.07 g PW6, CSC-C base material 995 g. The production process is the same as in the first embodiment.

 A list of color characterization results of Examples 1 to 4:

 Table 1

 Remarks: In the CIE1976 LAB uniform color space, L represents the brightness value; A represents the red/green value; B represents the yellow/blue value; ΔΕ represents the total color difference, which is used to determine the closeness of the sample to the standard, △ E= [ ( L - L* ) 2+ ( A- A* ) 2+ ( B- B* ) 2 ] 1/2. Glossiness refers to the degree of gloss on the surface of an object expressed by data.

 Detected by DATACOLOR 600 spectrophotometer, in the example of Table 1, the color difference ΔΕ<0.50 between the measured average value and the standard value is much lower than the color difference of the colored sample according to the national standard of GB/T 15608-1995 China Color System. The tolerance ΔΕ < 3 requirement.

The composition has no coating film defects such as floating color, delamination and flocculation during the process of placing, in the process of making t Volatile Organic Compound (VOC) release <200g/L, free formaldehyde 0.1g/kg, soluble lead 90mg/kg, soluble cadmium 75mg/kg, soluble chromium <60mg/kg, soluble mercury <60mg/kg> LD50 / Oral / Rat: 〉 7000 mg / kg. The color character has good color reproducibility.

 Some of the other test performances are shown in the following table:

 Table 2

 It can be clearly seen from the above Table 2 that the weather resistance test data of the composition obtained by the selected examples meets the values specified by the national standards, and the color change is less than 0.30 by the heat storage stability test, which ensures the realization. The accuracy and long-term stability of the physical color.

Claims

Rights request

1. An expression 1 OR 5/7 pigment composition, consisting of:

 CSC-C base material 995 ~ 1005 parts;

 PBK7, pigment content is 9% 12.0 - 13.5 parts;

 PB15: 3, the pigment content is 27% 4.0 ~ 4.6 parts;

 PW6, pigment content is 65% 35.0 ~ 36.0 parts;

 The main component of the above CSC-C base material is an acrylic copolymer having a content of 35 to 45%, an average molecular weight ranging from 15 to 200,000, an average particle diameter of 0.1 to 0.2 μm, and a minimum film forming temperature of 10 to 22 ° C. The glass transition temperature is 25~35°C, the anionic type, the pH value is 8.5 ~ 10.0, the contrast ratio of the base material is 0.20 ~ 0.40, the Stormer viscosity is 90~ 100KU, and the incident angle is 85°, the glossiness is 5 ° ~ 10°.

 2. A 10R 5/7 color color former, wherein: the starting material and the ratio of claim 1 are prepared.

 3. A 10R 5 〃 color characterization according to claim 2, wherein: the angle of incidence is 85. When, its gloss is 4. ~6. , the color difference from the standard value ΔΕ 0.50.

 4. A method of preparing a color characterization of a 10R57 color, comprising the steps of:

1. Mix the raw materials: Weigh the raw materials according to the ratio and mix well;

 2. Coating: The coating is applied to the coated paper by mechanical coating at a relative humidity of 50% ± 5% and a room temperature of 23 ± 2 ° C. The coating is coated with a wet film. Thickness is

250μπι;

 3. Drying: The composition coating was dried in a precision oven at 50 ± 2 ° C for 3 to 4 hours to constant weight, taken out, and cooled to room temperature to obtain a color character.