CN101684361A - Composition of 5P 7.5/2 pigment and technical method for preparing color characterization object by using same - Google Patents

Abstract

The invention discloses a composition of a 5P 7.5/2 pigment, which comprises the following components in parts by weight: 995-1005 parts of CSC-B base material, 0.6-0.7 part of PV23 with the pigment content of 30 percent, 1.48-1.58 parts of PR101 with the pigment content of 65 percent and 0.21 part of PB15:3 with the pigment content of 27 percent. The main component of the CSC-B base material is acrylic copolymer the content of which is 30-40 percent and the average molecular weight range of which is 150,000-200,000. TiO2 is selected as the main white pigment and has the content of 8-12 percent. For the base material, the contrast ratio is 0.78-0.82, the Stormer viscosity is 90-100 KU, and when an incident angle is 85 degrees, the glossiness is 5-10. A color characterization object of theinvention has favorable weather resistance and stability and good proportioning reproducibility; the adopted raw materials and the technology process both meet the low-VOC and zero-VOC environment protection requirement and standard; and compared with a standard value in a theoretical model of Chinese Color System, the color characterization object has little color difference and high accurate degree of color realization, and can be widely applied to many fields correlative to color.

Description

The composition of 5P 7.5/2 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.Stipulate among the Chinese colour system GB/T 15608-1995 that 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 5P 7.5/2 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 5P 7.5/2 pigment consists of by weight:

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

PV23, pigment content are 30%, 0.6～0.7 part;

PR101, pigment content are 65%, 1.48～1.58 parts;

PB15:3, pigment content are 27%, 0.21 part.

Above-mentioned CSC-B base-material main component is an acrylic copolymer, and content is 30～40%, and its average molecular weight range is 15～200,000, median size is 0.1～0.2m, and minimum film-forming temperature is 10～22 ℃, and second-order transition temperature is 25～35 ℃, anionic, pH value are 8.5～10.0.Select TiO for use ₂Content 〉=95%, oil number＜20g/100g, the reducing power Reynolds is several now 1800, and ISO 591 R2 types are as main white pigment, and content is 8～12%.The contrast ratio of this base-material is 0.78～0.82, and stormer viscosity is 90～100KU, and incident angle is 85 o'clock, glossiness 5～10.

A kind of characterization substance of 5P 7.5/2 color, press above-mentioned raw materials and proportioning, incident angle is 85 o'clock, its glossiness is 4～6, and aberration Δ E≤3.0 between the standard value, the Chromatic color that satisfies GB/T 15608-1995 Chinese colour system national Specification are the requirement of sample aberration latitude Δ E≤3.

The technological method of the characterization substance preparation of above-mentioned 5P 7.5/2 color comprises the steps:

1) raw material blending: the proportioning by above-mentioned 5P 7.5/2 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 250m.

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 PV23 (pigment content is 30%), PR101 (pigment content is 65%) and PB15:3 (pigment content is 27%).Wherein, PV23 (pigment content is 30%) dioxazine violet, it is present the most frequently used heterocyclic violet pigment, be the blue light purple, bright-colored pure, the heat-resisting of outstanding tinctorial strength and luminance brightness and excellence arranged, anti-oozing property and good light fastness, stronger opacifying power is arranged, even usage quantity can keep excellent weathering resistance seldom equally, be mainly used in automobile, motorcycle, bike one class flawless finish coating painted: PR101 (pigment content is 65%) iron oxide red, it is one of the most frequently used mineral dye, iron oxide red commonly used has yellow phase and blue difference mutually, has stronger tinting strength, slightly blue phase in the garnet, the composite weathering resistance of bright-colored that makes of normal and organic mill base improves, and itself has extremely strong opacifying power; PB15:3 (pigment content is 27%) is a phthalocyanine blue, because phthalocyanine pigment has excellent sun-proof and resistance toheat, is insoluble to any solvent, and has extremely bright-coloured form and aspect, belongs to best performance in the current senior pigment, a class that cost is minimum.

Adopting contrast ratio is 0.78～0.82, and stormer viscosity is 90～100KU, and the CSC-B base-material of glossiness (85) 5～10 is realized the underlying carrier of color as us, and the CSC-B base-material is provided by the Hiachuan Industry Co., Ltd., Shenzhen.

We are called CSC3575002 with the characterization substance that generates, and its standard L* value, standard A * value, standard B* value are respectively 77.70,3.22 ,-4.57, the observed value of this characterization substance and aberration Δ E≤3.0 between the standard value.

Embodiment 1:

Take by weighing 0.65 gram PV23 by weight, 0.21 gram PB15:3,1.53 gram PR101, 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 250m, 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 0.6 gram PV23 by weight, 0.21 gram PB15:3,1.53 gram PR101, CSC-B base-material 1000 grams.Making processes is with embodiment 1.

Embodiment 3:

Take by weighing 0.65 gram PV23 by weight, 0.21 gram PB15:3,1.58 gram PR101, CSC-B base-material 1005 grams.Making processes is with embodiment 1.

Embodiment 4:

Take by weighing 0.7 gram PV23 by weight, 0.21 gram PB15:3,1.48 gram PR101, CSC-B 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	??77.97	??3.08	??-4.40	??0.35	??5
Embodiment 2	??78.10	??3.32	??-4.57	??0.41	??5
						Embodiment 3	??78.10	??3.32	??-4.57	??0.41	??5
Embodiment 4	??77.90	??3.72	??-4.47	??0.55	??5

Remarks: in CIE1976 LAB 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 the standard brightness value, and L* represents to measure brightness value, A represent standard red/green value, red/green value that A* represents to measure, B represents standard Huang/indigo plant value, B* represents to measure Huang/indigo plant value.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 15608-1995 Chinese colour system national Specification are the requirement (GB/T 15608-1995) 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, a kind of composition of 5P 7.5/2 pigment consists of by weight:

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

PV23, pigment content are 30%, 0.6～0.7 part;

PR101, pigment content are 65%, 1.48～1.58 parts;

PB15:3, pigment content are 27%, 0.21 part;

Above-mentioned CSC-B base-material main component is an acrylic copolymer, and content is 30～40%, and its average molecular weight range is 15～200,000, median size is 0.1～0.2m, and minimum film-forming temperature is 10～22 ℃, and second-order transition temperature is 25～35 ℃, anionic, pH value are 8.5～10.0; Select TiO for use ₂Content 〉=95%, oil number＜20g/100g, the reducing power Reynolds is several now 1800, and ISO 591 R2 types are as main white pigment, and content is 8～12%; The contrast ratio of this base-material is 0.78～0.82, and stormer viscosity is 90～100KU, and incident angle is 85 o'clock, glossiness 5～10.

2, a kind of characterization substance of 5P 7.5/2 color is characterized in that: by the raw material and the proportioning preparation of claim 1.

3, the characterization substance of 5P 7.5/2 color according to claim 2 is characterized in that: incident angle is 85 o'clock, its glossiness 4～6, 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 5P 7.5/2 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 250m;

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.