CN115044254B - Bead-sticking paint and preparation method and application thereof - Google Patents
Bead-sticking paint and preparation method and application thereof Download PDFInfo
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- CN115044254B CN115044254B CN202210877839.8A CN202210877839A CN115044254B CN 115044254 B CN115044254 B CN 115044254B CN 202210877839 A CN202210877839 A CN 202210877839A CN 115044254 B CN115044254 B CN 115044254B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/16—Esters of inorganic acids
- C09D101/18—Cellulose nitrate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a bead-sticking paint and a preparation method and application thereof, and relates to the technical field of coating chemical industry. The bead-adhering paint provided by the invention comprises the following components in parts by weight: 20-30 parts of nitrocellulose, 10-20 parts of alkyd resin, 5-10 parts of polyketone resin, 3-5 parts of epoxy resin and 20-40 parts of solvent. According to the technical scheme, the components are mixed and used in a specific ratio, and the components have synergistic effect, so that the prepared bead-sticking paint has better performance compared with common nitrolacquer. The bead-sticking paint provided by the invention can meet the requirements of quick drying, good adhesive force, capability of toning by using transparent metal complex dye and convenience in use.
Description
Technical Field
The invention relates to the technical field of coating chemical industry, in particular to bead-sticking paint and a preparation method and application thereof.
Background
For some factories producing artware and ornaments, tiny glass beads are needed to be stuck on glass or resin artware, so that the artware has beautifying and decorating effects like paint. At present, the common nitro paint on the market has poor adhesion to glass beads and poor adhesion to glass substrates. The common Polyurethane (PU) paint is too hard and brittle, has poor adhesion to glass, needs a curing agent when in use, is easy to gel and waste, and is inconvenient to use. Furthermore, alkyd type paints dry too slowly to be tinted with a dye. The products can not meet the requirements of quick drying, good adhesive force, color matching by using transparent metal complex dyes and convenient use.
Disclosure of Invention
In order to solve the problems in the prior art, the invention mainly aims to provide a bead-bonding paint and a preparation method and application thereof.
In order to achieve the above purpose, in a first aspect, the present invention provides a bead-bonding paint, which comprises the following components in parts by weight: 20-30 parts of nitrocellulose, 10-20 parts of alkyd resin, 5-10 parts of polyketone resin, 3-5 parts of epoxy resin and 20-40 parts of solvent.
In the technical scheme of the invention, the nitrocellulose has the effects of quick drying and film forming, and the viscosity of the product and the toughness of a paint film are considered. The alkyd resin is matched with nitrocellulose for use, so that a film forming effect is achieved, and the adhesive force and the plasticity of the bead-sticking paint can be increased. The inventor finds through a large number of experiments that the addition amount of the alkyd resin in the bead-bonding paint formula system has a great influence on the performance of a paint film. Specifically, when the addition amount of the alkyd resin is too low, the paint film is hard and brittle; when the amount of the alkyd resin added is too high, the paint film tends to be sticky.
The polyketone resin (also called aldehyde ketone resin) is neutral nontoxic hard resin formed by condensation polymerization of ketone aldehyde, is colorless to light yellow transparent particles in appearance, has good solubility, and can be dissolved in all common solvents for coating industry except aliphatic hydrocarbon.
The components are mixed for use, and the prepared bead-adhering paint has better performance compared with common nitrolacquer due to the synergistic effect of the components. The bead-sticking paint provided by the invention can meet the requirements of quick drying, good adhesive force, capability of toning by using transparent metal complex dye and convenience in use.
As a preferred embodiment of the bead bond paint of the present invention, the epoxy resin is a low molecular weight epoxy resin, and the epoxy equivalent of the low molecular weight epoxy resin is less than 200.
The nitrolacquer has the characteristics of quick drying and easy construction, but in the general nitrolacquer, the epoxy resin with low molecular weight is rarely adopted. Low molecular weight epoxy resins are generally used as starting materials for the preparation of epoxy lacquers and require reaction curing by means of amine-type curing agents.
The epoxy equivalent of the epoxy resin reflects its molecular weight. The epoxy equivalent refers to the number of grams of epoxy resin containing one equivalent of epoxy group, in (g/equivalent), i.e., the average molecular weight of the epoxy resin divided by the number of epoxy groups contained per molecule. The inventors have found through a great deal of experiments that in the bead paint formulation system of the present invention, the lower the molecular weight of the epoxy resin, the better the compatibility with other components, and the too high molecular weight cannot be used in combination with the other raw materials. Moreover, the epoxy resin with low molecular weight and the polyketone resin are matched for use, so that the adhesive force of the bead-sticking paint on glass and resin substrates and the adhesive force of the bead-sticking paint on glass beads can be obviously improved, and meanwhile, the prepared bead-sticking paint has good compatibility with metal complex dyes and can realize a color mixing function.
As a preferred embodiment of the bead bond paint of the present invention, the viscosity of the nitrocellulose is 0.5 to 20 seconds.
Through a large number of experiments, the inventor finds that a paint film is brittle when the viscosity of the nitrocellulose is too low, and the viscosity of the nitrocellulose is too high, so that the bead-sticking paint is too viscous, a large amount of solvent is required to be added for normal use, and the thickness of a dry film of the paint is too low. The viscosity of the nitrocellulose is in the range, so that the prepared bead-sticking paint has good paint film toughness and use viscosity.
As a preferred embodiment of the beadbond paint of the present invention, the alkyd resin has a hydroxyl number of 90 to 120.
As a preferred embodiment of the bead-bonding paint of the invention, the polyketone resin has a softening point of 100-130 ℃ according to GB/T9284.1.
As a preferred embodiment of the bead bond paint of the present invention, the solvent includes at least one of butyl acetate and xylene.
The solvent of the invention can play a role in dissolving the nitrocellulose and the resin. The solvent may be selected from butyl acetate, xylene, and mixtures thereof.
As a preferred embodiment of the bead bond paint, the bead bond paint also comprises 0.1-10 parts by weight of metal complex dye. The metal complex dye can play a role in color matching, and in the technical scheme of the invention, the metal complex dye can be directly added into a formula system of the bead-sticking paint so as to adapt to processing technologies with different color requirements.
In a second aspect, the present invention further provides a method for preparing a bead-bonding paint, which is characterized by comprising the following steps:
(1) Dissolving nitrocellulose and polyketone resin in a solvent to obtain a mixed system A until the fineness and the cleanliness of a scraper of the mixed system A reach 7H/A;
(2) And adding alkyd resin and epoxy resin into the mixed system A, and uniformly stirring to obtain the bead-sticking paint.
In a third aspect, the invention also provides application of the bead-sticking paint in decoration of artware and ornaments.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the nitrocellulose, the alkyd resin, the polyketone resin, the epoxy resin and the solvent are mixed and used in a specific ratio, so that the components generate a synergistic effect, and the prepared bead-adhering paint has better performance compared with common nitrolacquer. The bead-sticking paint provided by the invention can meet the requirements of quick drying, good adhesive force, capability of toning by using transparent metal complex dye and convenience in use.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described by the following specific examples.
The raw materials used in the examples and comparative examples of the invention are as follows:
1. nitrocellulose
Nitrocellulose 1: a viscosity of 0.25s, a designation of 0.25 nitrocellulose, available from northern nitrocellulose corporation;
nitrocellulose 2: nitro-cotton with a viscosity of 0.5s and a mark of 0.5s, which is purchased from northern Nitro-cotton GmbH;
nitrocellulose 3: viscosity of 30s, grade 30s nitrocellulose, available from northern nitrocellulose Limited.
2. Alkyd resin: hydroxyl number 100, code number SM3107, available from Sanjianghua chemical Co., ltd.
3. Polyketone resins
Polyketone resin 1: the softening point is 100 ℃, the trademark is CFA101, and the product is purchased from Kelifu practical Co., ltd, shenzhen city;
polyketone resin 2: the softening point is 130 ℃, and the trademark is CF120, and the product is purchased from Kelifu practical Co., ltd, shenzhen city.
4. Epoxy resin
Epoxy resin 1: epoxy equivalent of 178-184, and number SM827, available from Jiangmen Sanxylo chemical Co., ltd;
epoxy resin 2: the epoxy equivalent weight is 450-560, the mark is SM601, and the epoxy resin is purchased from Jiangmen Sanxylo chemical Co.
5. Solvent: a mixture of butyl acetate and xylene, wherein the butyl acetate accounts for 60% and the xylene accounts for 40%; butyl acetate and xylene are both commercially available products.
6. Metal complex dye: a commercially available product.
The compositions of the raw materials of examples 1 to 4 and comparative examples 1 to 7 are shown in Table 1 below.
The preparation method of the bead-bonding paints of examples 1 to 4 and comparative examples 1 to 7 comprises the following steps:
(1) Dissolving nitrocellulose and polyketone resin in a solvent to obtain a mixed system A until the fineness and the cleanliness of a scraper blade of the mixed system A reach 7H/A;
(2) And adding alkyd resin and epoxy resin into the mixed system A, and uniformly stirring (if the raw materials contain metal complex dye, adding the metal complex dye for color matching) to obtain the bead-sticking paint.
TABLE 1 composition of the raw materials of examples 1 to 4 and comparative examples 1 to 6 (in parts by weight)
Comparative example 8
The comparative example adopts the commercial nitrolacquer, and the brand is a good color brand purchased from Dahua chemical shops.
Comparative example 9
The comparative example adopts the commercially available PU paint, the brand is Giraffe brand, and the PU paint is purchased from Dahua chemical shops.
Comparative example 10
The comparative example adopts the commercially available alkyd paint, and the brand is TV Tower brand, and is purchased from a Xincai chemical shop.
Performance test method
1. Testing of drying time: the surface stem and the solid stem are respectively carried out according to the regulation of the B method in the GB/T1728-1979 table and the A method in the solid stem.
2. Adhesion test (including adhesion to glass and adhesion to resin): the evaluation was carried out in accordance with the specifications of GB/T9286-1998, with a cross-hatch interval of 2mm, and the ratings were evaluated as shown in Table 2.
TABLE 2 evaluation of adhesion test grades
3. The construction convenience was evaluated in accordance with the scale shown in table 3:
TABLE 3 test Standard for construction convenience
4. Compatibility with the dye was evaluated on a scale shown in Table 4:
TABLE 4 compatibility test standards with dyes
| Grade | Criteria for determination |
| Compatibility of | The coating can be uniformly dispersed in the paint and uniformly colored |
| Incompatibility | The coating cannot be uniformly dispersed in the paint or cannot be uniformly colored |
The results of the product-related performance tests of examples 1 to 4 and comparative examples 1 to 10 are shown in table 5 below.
TABLE 5 product Performance test results for examples 1-4, comparative examples 1-10
As can be seen from Table 5, the bead-adhering paints prepared in examples 1 to 4 simultaneously have the effects of quick drying, strong adhesion, good adhesion, toning by using a transparent metal complex dye, and convenient use.
Compared with example 2, the viscosity of the cellulose nitrate in comparative example 1 is too low, and the adhesive force of the correspondingly prepared bead-sticking paint is obviously reduced; in comparative example 2, the viscosity of the cellulose nitrate is too high, the amount of the solvent is greatly increased, but the cellulose nitrate cannot have a good flowing state at all according to the same weight part of the solvent as in example 2, so that the bead paint is too viscous; on the other hand, when the solvent dosage is increased, the dry film thickness of the prepared bead-bonding paint is too low, and the quality of the paint film is seriously influenced.
Compared with the example 2, the addition amount of the alkyd resin in the comparative example 3 is too low, the adhesive force of the correspondingly prepared bead-sticking paint is obviously reduced, and the paint film is hard and brittle; while the alkyd resin in comparative example 4 added in an excessively high amount, the adhesion of the correspondingly prepared beadbond paint was also at a poor level, and the drying time of the beadbond paint in comparative example 4 was increased.
Compared with the example 2, the polyketone resin is not added in the comparative example 5, and the epoxy resin is not added in the comparative example 6, so that the adhesive force of the bead-bonding paint prepared correspondingly is obviously reduced, and the epoxy resin and the polyketone resin are required to be matched for use, and the bead-bonding paint can have good adhesive force on glass and resin substrates under the synergistic action of the epoxy resin and the polyketone resin.
When the epoxy equivalent of the epoxy resin in comparative example 7 is larger than that of example 2, a corresponding beadbond paint product cannot be obtained because when the epoxy equivalent of the epoxy resin is too large, it cannot be used in combination with the other raw materials described above.
Compared with the examples 1-4, the commercial products of the comparative examples 8-10 have poor performances, cannot realize quick drying, strong bonding force and good adhesive force, can be toned by transparent metal complex dyes, and have the effect of convenient use.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The bead-bonding paint is characterized by comprising the following components in parts by weight: 20-30 parts of nitrocellulose, 10-20 parts of alkyd resin, 5-10 parts of polyketone resin, 3-5 parts of epoxy resin and 20-40 parts of solvent, wherein the epoxy resin is low molecular weight epoxy resin, the epoxy equivalent of the low molecular weight epoxy resin is less than 200, the brand of the low molecular weight epoxy resin is SM827, the low molecular weight epoxy resin is purchased from Jiangmen Sanxylo chemical Co., ltd, the viscosity of the nitrocellulose is 0.5 second, and the preparation method of the bead-bonding paint comprises the following steps:
(1) Dissolving nitrocellulose and polyketone resin in a solvent to obtain a mixed system A until the fineness and the cleanliness of a scraper of the mixed system A reach 7H/A;
(2) And adding alkyd resin and epoxy resin into the mixed system A, and uniformly stirring to obtain the bead-sticking paint.
2. The beadbond paint according to claim 1, wherein the alkyd resin has a hydroxyl number of from 90 to 120.
3. A paint as claimed in claim 1, wherein the polyketone resin has a softening point of from 100 to 130 ℃ according to GB/T9284.1.
4. The beaded paint of claim 1, wherein the solvent comprises at least one of butyl acetate and xylene.
5. The bead bond paint of claim 1, further comprising 0.1 to 10 parts by weight of a metal complex dye.
6. Use of the beadbond paint according to any of claims 1-5 in the decoration of artware and ornaments.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210877839.8A CN115044254B (en) | 2022-07-25 | 2022-07-25 | Bead-sticking paint and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210877839.8A CN115044254B (en) | 2022-07-25 | 2022-07-25 | Bead-sticking paint and preparation method and application thereof |
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| CN115044254A CN115044254A (en) | 2022-09-13 |
| CN115044254B true CN115044254B (en) | 2023-03-03 |
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| CN1948199A (en) * | 2006-11-10 | 2007-04-18 | 华南理工大学 | Coloured transparent glass paint and its preparation method and application |
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| CN104559703A (en) * | 2014-12-23 | 2015-04-29 | 王新民 | Amino-epoxy-alkyd baking varnish |
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| CN110003790A (en) * | 2019-04-23 | 2019-07-12 | 上海巴德士化工新材料有限公司 | A kind of high matte varnish and preparation method thereof thoroughly of PU ordor removing |
| CN112143277A (en) * | 2019-06-26 | 2020-12-29 | 广东顺德三和化工有限公司 | Odor-removing self-volatilizing crack paint coating and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03273074A (en) * | 1990-03-20 | 1991-12-04 | Hitachi Chem Co Ltd | Paint resin composition and paint |
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- 2022-07-25 CN CN202210877839.8A patent/CN115044254B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948199A (en) * | 2006-11-10 | 2007-04-18 | 华南理工大学 | Coloured transparent glass paint and its preparation method and application |
| CN104293107A (en) * | 2014-10-28 | 2015-01-21 | 芜湖县双宝建材有限公司 | Impact-resistant high-adhesive-force inflaming-retarding modified bisphenol A epoxy resin paint |
| CN104559703A (en) * | 2014-12-23 | 2015-04-29 | 王新民 | Amino-epoxy-alkyd baking varnish |
| CN106398400A (en) * | 2016-09-22 | 2017-02-15 | 广东珠江化工涂料有限公司 | Environment-friendly nitrocellulose varnish and preparation method thereof |
| CN108299953A (en) * | 2017-09-05 | 2018-07-20 | 博罗县龙溪镇兴汉邦实业有限公司 | A kind of environment-protective nitrocellulose paint and preparation method thereof |
| CN110003790A (en) * | 2019-04-23 | 2019-07-12 | 上海巴德士化工新材料有限公司 | A kind of high matte varnish and preparation method thereof thoroughly of PU ordor removing |
| CN112143277A (en) * | 2019-06-26 | 2020-12-29 | 广东顺德三和化工有限公司 | Odor-removing self-volatilizing crack paint coating and preparation method thereof |
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