CN113717568B

CN113717568B - Solvent-resistant mud yellow eye-filling ash and preparation method thereof

Info

Publication number: CN113717568B
Application number: CN202111108305.0A
Authority: CN
Inventors: 吴灿云; 李万丽; 江时良
Original assignee: Guangdong Youzhi New Material Co ltd
Current assignee: Guangdong Youzhi New Material Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-07-22
Anticipated expiration: 2041-09-22
Also published as: CN113717568A

Abstract

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 type 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 TG vitrification temperature and promote quick-drying performance, meanwhile CAB is combined with main resin Degarland 64/12N acrylic resin and auxiliary resin polyester anti-sagging resin YP8818, 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.

Description

Solvent-resistant mud yellow eye-filling ash and preparation method thereof

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 polymerized putty mainly made of unsaturated polyester resin, and is called 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 atomic ash, which belongs to one of main articles for treating the substrate, is more and more; the usage amount is also getting larger and larger. Under the condition of increasingly fierce market competition, the requirements on the surface decoration performance of the atomic ash products 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 industries of high-grade automobile repair, high-grade home decoration and decoration, people have great demands on the atomic ash products which have 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 reinforcing agent with a special structure is used; the use matching performance is good.

CN201611016127.8 discloses a mud yellow eye-filling dust and a preparation method thereof, wherein the mud yellow eye-filling dust comprises the following components in parts by mass: 8-11 parts of alkyd resin, 12-18 parts of solvent, 4-8 parts of assistant, 7-13 parts of pigment, 25-35 parts of powder and 25-35 parts of 25% 5-second nitrocotton liquid; 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% and parts in the present invention are weight percentage and parts.

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 dust, the auxiliary agent is at least one of a dispersant, 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 eye filling ash adopts CAB to improve the glass transition temperature of TG and promote quick-drying performance, and meanwhile CAB is combined with main resin Degarland 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.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to 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.

Claims

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

the cellulose acetate butyrate had a solid content of 20%.

2. The solvent-resistant mud yellow eye-filling dust according to claim 1, wherein: polyester anti-sagging resin YP 88183.5-4.5%, cellulose acetate butyrate 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 to the butyl formate to 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 process for preparing a solvent-resistant mud yellow eye-filling dust according to any one of claims 1 to 5, characterized in that: the method comprises the following steps: mixing and dispersing polyester anti-sagging resin YP8818, cellulose acetate butyrate, Dejialan 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.