阅读说明：本技术 一种耐溶剂泥黄填眼灰及其制备方法 (Solvent-resistant mud yellow eye-filling ash and preparation method thereof ) 是由 吴灿云 李万丽 江时良 于 2021-09-22 设计创作，主要内容包括：本发明属于涂料领域,具体为一种耐溶剂泥黄填眼灰,包括以下质量份的组分：聚酯型防流挂树脂YP8818 3-5％、醋酸丁酸纤维素12-15％、德加兰64/12N丙烯酸树脂20％-30％；溶剂12～18％、助剂2～5％、颜料和粉料余量。该填眼灰采用CAB用以提高TG玻璃化温度,促进快干性能,同时CAB和主树脂德加兰64/12N丙烯酸树脂、辅助树脂聚酯型防流挂树脂YP8818结合,可提高涂层的耐溶剂性能,在施工后擦拭无任何残留；同时主树脂德加兰64/12N丙烯酸树脂为自干型,具有较高的玻璃化温度,其进一步促进快干性能；同时,本产品灰眼少,在此基础上涂覆的涂层平整性高。(The invention belongs to the field of coatings, and particularly relates to a solvent-resistant mud yellow eye-filling ash which comprises the following components in parts by mass: polyester anti-sagging resin YP 88183-5%, cellulose acetate butyrate 12-15%, Degarland 64/12N acrylic resin 20% -30%; 12-18% of solvent, 2-5% of auxiliary agent and the balance of pigment and powder. The eye-filling dust adopts CAB to improve the vitrification temperature of TG and promote quick-drying performance, and meanwhile CAB is combined with main resin Dejialan 64/12N acrylic resin and auxiliary resin polyester anti-sagging resin YP8818, so that the solvent resistance of a coating can be improved, and no residue is left after wiping after construction; meanwhile, the main resin of the Degarland 64/12N acrylic resin is self-drying type, has higher glass transition temperature and further promotes quick-drying performance; meanwhile, the product has less gray eyes, and the coating coated on the product has high smoothness.)

1. The solvent-resistant mud yellow eye-filling ash is characterized by comprising the following components in parts by mass: polyester anti-sagging resin YP 88183-5%, cellulose acetate butyrate 12-15%, Degarland 64/12N acrylic resin 20% -30%; 12-18% of solvent, 2-5% of auxiliary agent and the balance of pigment and powder.

2. The solvent-resistant mud yellow eye-filling dust according to claim 1, wherein: polyester anti-sagging resin YP 88183.5-4.5%, CAB (cellulose acetate butyrate, solid content 20%) 13-14%, and Degarland 64/12N acrylic resin 23% -27%; 14-16% of solvent, 3-4% of auxiliary agent and the balance of pigment and powder.

3. The solvent-resistant mud yellow eye-filling dust according to claim 1, wherein: the solvent is a mixed solvent of xylene, butyl formate and butyl acetate, and the ratio of the xylene, the butyl formate and the butyl acetate is 6-8:1: 6-8.

4. The solvent-resistant mud yellow eye-filling dust according to claim 1, wherein: the auxiliary agent is at least one of a dispersing agent, expansion powder, a thixotropic agent and white carbon black.

5. The solvent-resistant mud yellow eye-filling dust according to claim 4, wherein: the proportion of the dispersing agent, the expansion powder, the thixotropic agent and the white carbon black in the auxiliary agent is 1:6-8:3-5: 2-3.

6. A preparation method of solvent-resistant mud yellow eye-filling ash is characterized by comprising the following steps: the method comprises the following steps: mixing and dispersing polyester anti-sagging resins YP8818, CAB, Degarland 64/12N acrylic resin and solvent, adding auxiliary agent, pigment and powder for continuous dispersion, grinding by a grinder after uniform dispersion, and discharging after grinding.

Technical Field

The invention relates to the field of coatings, in particular to solvent-resistant mud yellow eye-filling ash and a preparation method thereof.

Background

The putty is a kind of polymerized putty mainly made of unsaturated polyester resin, and is known as putty under the trade name or common name. It is mainly used for caulking and filling before coating metal and nonmetal to obtain the smooth base material before coating, and is convenient for coating construction. The use surface of the putty relates to the industries of high-grade automobile production and repair, decoration and decoration, furniture production and manufacture, hardware and metal product production and manufacture and the like. The modern requirements for the decoration of the surface of materials are higher and higher. The utilization rate of the putty, which belongs to one of the main articles for treating the substrate, is more and more; the usage amount is also getting larger and larger. Under the increasingly fierce market competition, the requirements on the surface decoration performance of the putty product are higher and higher, the awareness level of users on the environmental protection concept is continuously improved, meanwhile, the environmental protection concept of use and constructor protection is enhanced, and especially in the high-grade automobile repair, high-grade home decoration and decoration industries, people have great demands on the putty product which has good construction performance and can meet the environmental protection requirements.

CN101570655B discloses an environmental-friendly water-based putty, which is composed of main body putty and an initiator, wherein the main body putty and the initiator are uniformly mixed according to the required weight ratio when in use. The main body ash comprises the following components: the air-drying type waterborne unsaturated polyester resin comprises air-drying type waterborne unsaturated polyester resin, deionized water, an anti-shrinking agent, an accelerant, a wetting dispersant, an anti-skinning agent, an anti-settling agent, an adhesion promoter, a mildew inhibitor, a structural reinforcing agent and a filler. The initiator consists of the following components: benzoyl peroxide, dibutyl phthalate and silicon dioxide. Its advantages are: the air-drying performance of the product is less influenced by the construction environment temperature; the product has high environmental protection; the construction use performance is good, and a special structure reinforcing agent is used; the use matching performance is good.

CN201611016127.8 discloses a mud yellow eye-filling ash and a preparation method thereof, wherein the mud yellow eye-filling ash comprises the following components in parts by mass: 8-11 parts of alkyd resin, 12-18 parts of solvent, 4-8 parts of auxiliary agent, 7-13 parts of pigment, 25-35 parts of powder and 25-35 parts of 5-second nitrocotton liquid with the concentration of 25%; the accelerator is a cobalt salt accelerator, and the pigment is titanium dioxide. The mud yellow eye filling ash has the advantages of convenience in use, rapidness in drying, easiness in blade coating and polishing, solvent permeation resistance, strong adhesion with finish paint and low VOC (volatile organic compounds) emission. Which is used to solve the problem existing in CN 101570655B.

However, the prior art has the following problems: the drying speed, the number of dust holes and the solvent resistance can not be unified.

Disclosure of Invention

The invention aims to provide solvent-resistant mud yellow eye-filling dust and a preparation method thereof, the eye-filling dust adopts CAB to improve TG vitrification temperature and promote quick-drying performance, and meanwhile, CAB is combined with main resin of Dejialan 64/12N acrylic resin and auxiliary resin of polyester type sagging-resistant resin YP8818, so that the solvent-resistant performance of a coating can be improved, and no residue is left after wiping after construction; meanwhile, the main resin of the Degarland 64/12N acrylic resin is self-drying type, has higher glass transition temperature and further promotes quick-drying performance; meanwhile, the product has less gray eyes, and the coating coated on the product has high smoothness.

Unless otherwise specified, the percentages and parts in the present invention are in weight percent.

In order to achieve the purpose, the invention provides the following technical scheme:

the solvent-resistant mud yellow eye-filling ash comprises the following components in parts by mass: polyester anti-sagging resin YP 88183-5%, CAB (cellulose acetate butyrate, solid content 20%) 12-15%, and Degarland 64/12N acrylic resin 20-30%; 12-18% of solvent, 2-5% of auxiliary agent and the balance of pigment and powder.

In the solvent-resistant mud yellow eye-filling ash, polyester anti-sagging resin YP 88183.5-4.5%, CAB (cellulose acetate butyrate with solid content of 20%) 13-14%, and Dalgan 64/12N acrylic resin 23% -27%; 14-16% of solvent, 3-4% of auxiliary agent and the balance of pigment and powder.

In the solvent-resistant mud yellow eye-filling ash, the solvent is a mixed solvent of xylene, butyl formate and butyl acetate, and the ratio of the xylene, the butyl formate and the butyl acetate is 6-8:1: 6-8.

In the solvent-resistant mud yellow eye-filling ash, the auxiliary agent is at least one of a dispersing agent, an expansion powder, a thixotropic agent and white carbon black.

In the solvent-resistant mud yellow eye-filling ash, the proportion of the dispersing agent, the expansion powder, the thixotropic agent and the white carbon black in the auxiliary agent is 1:6-8:3-5: 2-3.

Meanwhile, the invention also discloses a preparation method of the solvent-resistant mud yellow eye-filling cement, which comprises the following steps: mixing and dispersing polyester anti-sagging resins YP8818, CAB, Degarland 64/12N acrylic resin and solvent, adding auxiliary agent, pigment and powder for continuous dispersion, grinding by a grinder after uniform dispersion, and discharging after grinding.

Compared with the prior art, the invention has the beneficial effects that:

the CAB is adopted to improve the vitrification temperature of TG and promote quick-drying performance, and meanwhile, the CAB is combined with main resin Dejialan 64/12N acrylic resin and auxiliary resin polyester anti-sagging resin YP8818, so that the solvent resistance of the coating can be improved, and no residue is left after wiping after construction; meanwhile, the main resin of the Degarland 64/12N acrylic resin is self-drying type, has higher glass transition temperature and further promotes quick-drying performance; meanwhile, the product has less gray eyes, and the coating coated on the product has high smoothness.

Drawings

Fig. 1 shows the results of the solvent resistance test of comparative example 1.

FIG. 2 shows the results of the solvent resistance test of example 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

EXAMPLE 1 preparation of solvent resistant mud yellow eye-filling Ash

The preparation method comprises the following steps:

mixing and dispersing polyester anti-sagging resins YP8818, CAB, Degarland 64/12N acrylic resin and solvent, adding auxiliary agent, pigment and powder for continuous dispersion, grinding by a grinder after uniform dispersion, and discharging after grinding.

The formula table of each component is shown in the following table 1:

table 1 formula table

Example 2

Essentially the same as example 1, except that the amounts of the materials used in this example are as follows in table 2:

table 2 formula table

Example 3

Essentially the same as example 1, except that the amounts of the various materials used in this example are as follows in table 3:

table 3 formula table

Example 4

The same as example 1, except that the following table 4 was used for each of the substances used in this example:

table 4 formula table

Comparative example 1

Reference example 1, generally identical except that the formulation is as follows in table 5:

table 5 formula table

Comparative example 2

Reference example 1, generally identical except that the formulation is as follows in table 6:

table 6 formula table

Performance testing

The performance test mainly tests the surface drying speed, the number of grey holes and the solvent resistance.

TABLE 7

The results of the solvent resistance test of example 1 and comparative example 1 can be seen in fig. 1 and 2. The test method comprises the following steps: pour 120# solvent oil onto towel and wipe coating.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.