CN101747698A - Composition expressing 10YR7.5/8 pigments and process for preparing color characterization object by same - Google Patents

Abstract

The invention discloses a composition expressing 10YR7.5/8 pigments and a process for preparing a color characterization object by the same. The composition comprises the following components in parts by weight: 995-1005 parts of CSC-C base materials, 1.47 parts of PO73, 5.0-5.2 parts of PY74 and 24.0-24.7 parts of PW6, wherein the content of pigment in the PO73 is 30 percent, the content of pigment in the PY74 is 40 percent and the content of pigment in the PW6 is 65 percent. The main component of the CSC-C base materials is acrylic copolymer which has the content of 35-45 percent. The base materials have the contrast ratio of 0.20-0.40, the Stormer viscosity of 90-100KU and the glossiness of 5-10 degrees when the incident angle is 85 degrees. The color characterization object of the invention has high weather resistance and stability as well as good proportion repeatability; the used raw materials and the process accord with environment protection requirement and standard of low VOC and zero VOC; and the color characterization object has little aberration compared with the standard value in a national standard theoretical model of China Color System, and high accuracy of color implementation, and can be widely applied to fields related to the color.

Description

Express the composition of 10YR 7.5/8 pigment and with the technological method of this preparation of compositions characterization substance

[technical field]

The present invention relates to composition, particularly be the composition of pigment, and with the technological method of this preparation of compositions characterization substance.

[background technology]

A kind of color comprises form and aspect, lightness and chroma, as long as determined form and aspect, lightness and chroma, just can determine unique a kind of color.Regulation among the Chinese colour system GB/T 15608, in the Chinese colour system theoretical model, any color can be demarcated with the tone on the color solid, lightness and chroma, and gives certain label.Scaling method is to write out tone H earlier, writes lightness V then, writes chroma C behind oblique line, represent with H V/C, and be example with color 10BG 5.5/6,10BG represents tone, 5.5 expression lightness, 6 expression chromas.

Theoretical value from theoretical model can relate to multinomial important steps such as aberration Δ E, raw material, prescription and technology to the production process of characterization substance.Wherein, Difference Control is to weigh the unalterable quota of a national colours reproducing technology ability, and the degree of approach that aberration is more little, the color theory value is reduced into the color matter sample is high more, and technical difficulty is big more, the scientific research strength that indicates this state simultaneously is strong more, and state of the art is high more.Therefore the research and development technology of characterization substance and research and development achievement in the Chinese colour system national standard theoretical model, embodied the sci-tech innovation ability of China, all had extremely profound significance in the status in color field, the world for development that promotes whole country color science technical field and raising country in the color field.

Coating pigment obtains characterization substance in accordance with regulations, and characterization substance can be widely used in many fields relevant with color.

At present, domesticly also be in the stage of accurately to control to the technical elements that reproducing color therewith characterizes thing, and this is only the core of color theory using value in the theoretical value from theoretical model.

[summary of the invention]

The composition that the purpose of this invention is to provide a kind of 10YR 7.5/8 pigment reaches the technological method of realizing characterization substance with this composition, the fast light sex change and the favorable reproducibility of this characterization substance coating, and glossiness is moderate, and environmental protection.

A kind of composition of 10YR 7.5/8 pigment consists of by weight:

995～1005 parts of CSC-C base-materials;

PO73, pigment content are 30%, 1.47 part;

PY74, pigment content are 40%, 5.0～5.2 parts;

PW6, pigment content are 65%, 24.0～24.7 parts.

Above-mentioned CSC-C base-material main component is an acrylic copolymer, and content is 35～45%, and its average molecular weight range is 15～200,000, median size is 0.1～0.2 μ m, and minimum film-forming temperature is 10～22 ℃, and second-order transition temperature is 25～35 ℃, anionic, pH value are 8.5～10.0; The contrast ratio of this base-material is 0.20～0.40, and stormer viscosity is 90～100KU, when incident angle is 85 °, and 5 °～10 ° of glossiness.

A kind of characterization substance of 10YR 7.5/8 color, press above-mentioned raw materials and proportioning, when incident angle is 85 °, its glossiness is 4 °～6 °, and aberration Δ E≤3.0 between the standard value, the Chromatic color that satisfies GB/T 15608 Chinese colour system national Specifications are the requirement of sample aberration latitude Δ E≤3.

The technological method of the characterization substance preparation of above-mentioned 10YR 7.5/8 color comprises the steps:

1) raw material blending: the proportioning by above-mentioned 10YR 7.5/8 color takes by weighing raw material, mixes.

2) coating: at ambient relative humidity 50% ± 5%, under 23 ± 2 ℃ of conditions of room temperature, adopt mechanical coating method, composition evenly entirely is coated on the base material, base material is metallic substance or non-metallic material, and the coating wet-film thickness is 250 μ m.

3) drying: place 50 ± 2 ℃ of dry 3～4h of accurate baking oven to constant weight composition coating, take out, be cooled to room temperature, obtain characterization substance.

Advantage of the present invention: said composition weathering resistance and stability are high, and good proportion repeatability, raw materials used and technological process meet low VOC and zero VOC environmental protection requirement and standard; It is little that this characterization substance and the standard value in the Chinese colour system national standard theoretical model are compared color distortion, and the order of accuarcy height that color realizes can be widely used in many fields relevant with color.

[embodiment]

Pigment preferred for this invention comprises that international pigment index codes is PO73 (pigment content is 30%), PY74 (pigment content is 40%) and PW6 (pigment content is 65%).Wherein, the organic orange of pigment indices P O73 (pigment content is 30%), bright-colored, be mainly used in and transfer bright-coloured orange-yellowly, have excellent overall tolerability energy and thermostability and gamut stability, belong to high performance pigments; PY74 (pigment content is 40%) is a monoazo yellow, has the characteristics of bright-colored strong coloring force, and Huang is mutually pure, is usually used in adjusting bright-coloured yellow, can with redness composite obtain orange or with the composite lemon yellow that obtains with different green phases of green; PW6 (pigment content is 65%) rutile TiO 2, refractive index reaches 2.71, and every pigment performance obviously is better than other white pigment.Mainly playing the colour killing effect in the color compound process, can adjust the depth and the saturation ratio of color during toning, also is the important pigment that improves the color-forming compositions opacifying power in addition.

Adopting contrast ratio is 0.20～0.40, and stormer viscosity is 90～100KU, and the CSC-C base-material that glossiness (85 °) is 5 °～10 ° is realized the underlying carrier of color as us, and the CSC-C base-material is provided by the Hiachuan Industry Co., Ltd., Shenzhen.

We are called CSC0975008, its standard L with the characterization substance that generates ^*Value, standard A ^*Value, standard B ^*Value is respectively 77.70,16.71,50.58, the observed value of this characterization substance and aberration Δ E≤3.0 between the standard value.

Embodiment 1:

Take by weighing 1.47 gram PO73 by weight, 5.1 gram PY74,24.36 gram PW6, CSC-B base-material 1000 grams.With above-mentioned mixing of materials mixing, then with the composition of gained, at ambient relative humidity 50% ± 5%, under 23 ± 2 ℃ of conditions of room temperature, adopt mechanical coating method, evenly entirely be coated on the base material, base material is metallic substance or non-metallic material, and the coating wet-film thickness is 250 μ m, place 50 ± 2 ℃ of dry 3～4h of accurate baking oven to constant weight then, take out, be cooled to room temperature, obtain characterization substance.

Embodiment 2:

Take by weighing 1.47 gram PO73 by weight, 5.1 gram PY74,24.0 gram PW6, CSC-C base-material 1000 grams.Making processes is with embodiment 1.

Embodiment 3:

Take by weighing 1.47 gram PO73 by weight, 5.1 gram PY74,24.7 gram PW6, CSC-C base-material 1005 grams.Making processes is with embodiment 1.

Embodiment 4:

Take by weighing 1.47 gram PO73 by weight, 5.2 gram PY74,24.36 gram PW6, CSC-C base-material 995 grams.Making processes is with embodiment 1.

Characterization substance detected result tabulation with embodiment 1 to 4:

Table 1

Circulation ratio: 0.01	Measure the L value	Measure the A value	Measure the B value	??ΔE	Glossiness (85 °)
						Embodiment 1	??77.70	??16.81	??50.58	??0.10	??5°
Embodiment 2	??77.78	??16.75	??50.63	??0.10	??5°
						Embodiment 3	??77.70	??16.81	??50.68	??0.14	??5°
Embodiment 4	??77.90	??16.81	??50.58	??0.22	??5°

Remarks: in the CIE1976LAB uniform colour space, Δ E=[(L-L ^*) ²+ (A-A ^*) ²+ (B-B ^*) ²] ^1/2, be used for the degree of closeness of judgement sample and standard.Wherein Δ E represents total color difference, and L represents standard brightness value, L ^*Brightness value is measured in expression, A represent standard red/green value, A ^*Red/green value is measured in expression, and B represents standard Huang/indigo plant value, B ^*Huang/indigo plant value is measured in expression.Glossiness refers to the gloss intensity with the body surface of data statement.

Detect through DATACOLOR 600 spectrophotometers, in the embodiment of table 1, aberration Δ E≤3.0 between average value measured and the standard value, the Chromatic color that satisfies GB/T 15608 Chinese colour system national Specifications are the requirement (GB/T 15608) of sample aberration latitude Δ E≤3.

Composition does not have the disadvantages of filming such as loose colour, layering and flocculation in put procedure, volatile organic compounds in technology making processes (VOC) burst size＜200g/L, free formaldehyde≤0.1g/kg, dissoluble lead≤90mg/kg, soluble cadmium≤75mg/kg, soluble chromium≤60mg/kg, soluble mercury≤60mg/kg, LD50/ per os/mouse:＞7000 milligrams/kilogram.The characterization substance color reproducibility is good.

Other some test performances are as shown in the table:

Table 2

	Composition weathering resistance (GB/T1865-1997)	Composition heat storage stability (GB 6753.3-86)
			Embodiment 1	700h is no abnormal	??ΔE≤0.30
Embodiment 2	700h is no abnormal	??ΔE≤0.30
			Embodiment 3	700h is no abnormal	??ΔE≤0.30
Embodiment 4	700h is no abnormal	??ΔE≤0.30

Can clearly be seen that by last table 2, the composition coating weathering resistance that selected embodiment obtains detects the prescribed value of data fit national standard, and detect by the heat storage stability experiment, colour-change is lower than 0.30, has guaranteed to realize the accuracy and the permanent stability of characterization substance.

Claims (4)

1. the composition of 10YR 7.5/8 pigment consists of by weight:

995～1005 parts of CSC-C base-materials;

PO73, pigment content are 30%, 1.47 part;

PY74, pigment content are 40%, 5.0～5.2 parts;

PW6, pigment content are 65%, 24.0～24.7 parts;

Above-mentioned CSC-C base-material main component is an acrylic copolymer, and content is 35～45%, and its average molecular weight range is 15～200,000, median size is 0.1～0.2 μ m, and minimum film-forming temperature is 10～22 ℃, and second-order transition temperature is 25～35 ℃, anionic, pH value are 8.5～10.0; The contrast ratio of this base-material is 0.20～0.40, and stormer viscosity is 90～100KU, when incident angle is 85 °, and 5 °～10 ° of glossiness.

2. the characterization substance of 10YR 7.5/8 color is characterized in that: by the raw material and the proportioning preparation of claim 1.

3. the characterization substance of 10YR 7.5/8 color according to claim 2 is characterized in that: when incident angle is 85 °, and 4 °～6 ° of its glossiness, and aberration Δ E≤3.0 between the standard value.

4. the technological method of the characterization substance of preparation claim 2 or 3 described 10YR 7.5/8 colors comprises the steps:

1) raw material blending: take by weighing raw material by proportioning, mix;

2) coating: at ambient relative humidity 50% ± 5%, under 23 ± 2 ℃ of conditions of room temperature, adopt mechanical coating method, composition evenly entirely is coated on the base material, base material is metallic substance or non-metallic material, and the coating wet-film thickness is 250 μ m;

3) drying: place 50 ± 2 ℃ of dry 3～4h of accurate baking oven to constant weight composition coating, take out, be cooled to room temperature, obtain characterization substance.