CN111283926A - Solid release agent - Google Patents
Solid release agent Download PDFInfo
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- CN111283926A CN111283926A CN202010158871.1A CN202010158871A CN111283926A CN 111283926 A CN111283926 A CN 111283926A CN 202010158871 A CN202010158871 A CN 202010158871A CN 111283926 A CN111283926 A CN 111283926A
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- release agent
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- solid
- solid release
- mold release
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a solid release agent which is prepared from the following raw materials in parts by weight: 2-5 parts of bisphenol F epoxy resin, 5-10 parts of solvent, 1-2 parts of emulsifier, 1-3 parts of color paste, 0.5-3 parts of extinction nano-particles and 78-90.5 parts of water. The solid release agent provided by the invention takes high-molecular bisphenol F type epoxy resin as a matrix, and by adding the extinction nano particles, the surface luminosity of a product is improved, the wear resistance of a coating is improved, and meanwhile, the stable bisphenol F type epoxy resin is sprayed on the surface of a mold, so that the antirust effect can be effectively achieved, the service life of the product after one-time spraying can reach more than 5 ten thousand times, and the secondary processing is very convenient and more environment-friendly.
Description
Technical Field
The invention belongs to the field of release agents, and particularly relates to a solid release agent.
Background
At present, a large amount of release agents, namely liquid sulfur-containing release agents and small amount of sulfur-free environment-friendly release agents, are used in the market and are compressed into a high-pressure air tank, the adhesion force between a mold and a product can be well weakened by spraying the release agents and the surface of the mold when the release agents are used, but the service life of the release agents is found to be very short in the use process, the release agents are required to be sprayed on the surface of the mold every time in practice, the amount of the release agents effectively sprayed on the surface of the mold in the spraying process is only about 30-40%, and a lot of effective components volatilize into the air to cause certain damage. While uniformity of the spray coating also presents significant challenges. Scientific research finds that in the environment of high-temperature processing, the release agent is decomposed and substituted into the product mostly, so that the product is polluted and the quality of the product is influenced.
Disclosure of Invention
In view of the above, the present invention is directed to a solid release agent, which has a long life and is convenient for secondary processing.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a solid release agent is prepared from the following raw materials in parts by weight:
preferably, the release agent is prepared from the following raw materials in parts by weight:
further, the bisphenol F type epoxy resin is at least one of F-44, F-48 or F-51.
Further, the solvent is at least one of ethanol, propanol or butanol.
Further, the emulsifier is at least one of diethylene glycol butyl ether or OP-10.
Further, the extinction nano particles are at least one of nano silicon dioxide, titanium dioxide or zirconium oxide.
Further, the solid demoulding agent also comprises polyethylene glycol, and the addition amount of the polyethylene glycol is 5-8 parts.
Further, the solid demoulding agent also comprises triolein, and the addition amount of the triolein is 3-10 parts.
Further, the solid demoulding agent also comprises acrylic acid, and the addition amount of the acrylic acid is 1-6 parts.
The processing method of the solid release agent comprises the following steps:
(1) firstly, removing oil from a mould, then protecting a processing area of the mould, and carrying out sand blasting on the surface of the mould;
(2) preheating the mold at 40-50 deg.C, spraying solid release agent on the surface of the mold, gradually heating to 220 deg.C, and curing to obtain the final product.
Compared with the prior art, the solid release agent has the following advantages:
the solid release agent provided by the invention takes high-molecular bisphenol F type epoxy resin as a matrix, and by adding the extinction nano particles, the surface luminosity of a product is improved, the wear resistance of a coating is improved, and meanwhile, the stable bisphenol F type epoxy resin is sprayed on the surface of a mold, so that the antirust effect can be effectively achieved, the service life of the product after one-time spraying can reach more than 5 ten thousand times, and the secondary processing is very convenient and more environment-friendly.
Drawings
Fig. 1 is a schematic view of a solid release agent of example 1 of the present invention after spraying.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The test reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.
The present invention will be described in detail with reference to the following examples and accompanying drawings.
Example 1
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: cleaning a test board, performing sandblasting, placing the mold in a baking oven with the set temperature of 50 ℃ for 2h, respectively spraying the solid release agent in different areas, transferring the mold into the baking oven, gradually raising the temperature to 220 ℃ at the speed of 2 ℃/min, keeping the temperature for 2h, using the product for processing injection products, wherein the texture luminosity of the area without the sprayed solid release agent is 2.8gu, the content of sprayed extinction nano-particles is 0.6%, and the luminosity of the area is about 2.2 gu.
Example 2
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: and (2) degreasing, cleaning and blasting a test board, placing the test board in an oven with the temperature of 50 ℃ for 2h, respectively spraying the solid release agent in different areas, transferring the test board into the oven, gradually raising the temperature to 200 ℃ at the speed of 2 ℃/min, keeping the temperature for 2h, using the product for processing an injection molding product, wherein the texture luminosity of the area without the sprayed solid release agent is 2.5gu, and the texture luminosity of the area sprayed with the solid release agent is about 1.8 gu.
Example 3
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: the test board is degreased, cleaned and subjected to sandblasting treatment, the mold is placed in a baking oven with the set temperature of 50 ℃ for 2h, the solid release agent is sprayed in different areas and then transferred into the baking oven, the temperature is gradually increased to 230 ℃ at the speed of 2 ℃/min and then kept for 2h, the product is used for processing injection products, the texture luminosity of the area without the sprayed solid release agent is 2.6gu, and the texture luminosity of the area sprayed with the solid release agent is about 1.6gu, so that the surface luminosity can be effectively adjusted through the proportion and the content of the price-adjusting matting agent.
Example 4
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: degreasing, cleaning and blasting the mold, placing the mold in a drying oven with the temperature of 50 ℃ for 2h, spraying the solid release agent, transferring the mold into the drying oven, gradually raising the temperature to 220 ℃ at the speed of 2 ℃/min, keeping the temperature for 2h, using the product for processing injection-molded products (the injection-molding temperature is 174 ℃), and finding that micro scratches appear on the surface of the solid release agent after using the product for 6.7 ten thousand times.
Example 5
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: degreasing, cleaning and blasting the mold, placing the mold in an oven with the temperature of 50 ℃ for 2h, spraying the solid release agent, transferring the mold into the oven, gradually raising the temperature to 230 ℃ at the speed of 2 ℃/min, keeping the temperature for 2h, using the product for processing injection products (the injection temperature is 174 ℃), and finding that micro scratches appear on the surface of the solid release agent after 7.3 ten thousand times of use.
Example 6
A solid release agent is prepared from the following raw materials in parts by weight:
the processing method of the solid release agent comprises the following steps: degreasing, cleaning and blasting the mold, placing the mold in a drying oven with the temperature of 50 ℃ for 2h, spraying the solid release agent, transferring the mold into the drying oven, gradually raising the temperature to 220 ℃ at the speed of 2 ℃/min, keeping the temperature for 2h, using the product for processing injection-molded products (the injection-molding temperature is 174 ℃), and finding that micro scratches appear on the surface of the solid release agent after 11.8 ten thousand times of use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A solid release agent characterized by: the release agent is prepared from the following raw materials in parts by weight:
2. the solid mold release agent according to claim 1, characterized in that: the release agent is prepared from the following raw materials in parts by weight:
3. the solid mold release agent according to claim 1, characterized in that: the bisphenol F type epoxy resin is at least one of F-44, F-48 or F-51.
4. The solid mold release agent according to claim 1, characterized in that: the solvent is at least one of ethanol, propanol or butanol.
5. The solid mold release agent according to claim 1, characterized in that: the emulsifier is at least one of diethylene glycol butyl ether or OP-10.
6. The solid mold release agent according to claim 1, characterized in that: the extinction nano particles are at least one of nano silicon dioxide, titanium dioxide or zirconium oxide.
7. The solid mold release agent according to claim 1, characterized in that: the solid demoulding agent also comprises polyethylene glycol, and the addition amount of the polyethylene glycol is 5-8 parts.
8. The solid mold release agent according to claim 1, characterized in that: the solid demoulding agent also comprises triolein, and the addition amount of the triolein is 3-10 parts.
9. The solid mold release agent according to claim 1, characterized in that: the solid demoulding agent also comprises acrylic acid, and the addition amount of the acrylic acid is 1-6 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158871.1A CN111283926A (en) | 2020-03-09 | 2020-03-09 | Solid release agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158871.1A CN111283926A (en) | 2020-03-09 | 2020-03-09 | Solid release agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111283926A true CN111283926A (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010158871.1A Pending CN111283926A (en) | 2020-03-09 | 2020-03-09 | Solid release agent |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130165549A1 (en) * | 2011-12-21 | 2013-06-27 | E I Du Pont De Nemours And Company | Printing form and process for preparing the printing form with curable composition having solvent-free epoxy resin |
| CN105458161A (en) * | 2015-11-27 | 2016-04-06 | 浙江龙游展宇有机玻璃有限公司 | Powdery release agent composition |
| CN107189084A (en) * | 2017-07-03 | 2017-09-22 | 安徽艾珀希德化工科技有限公司 | The aqueous epoxy emulsion prepared by the emulsifying agent of the functional group of bis-epoxy containing isocyanates |
| CN108531256A (en) * | 2018-04-24 | 2018-09-14 | 贺州学院 | A kind of releasing agent and preparation method thereof for thermosetting resin |
| WO2019165600A1 (en) * | 2018-02-28 | 2019-09-06 | 高海艇 | High temperature-resistant nano composite coating for casting |
-
2020
- 2020-03-09 CN CN202010158871.1A patent/CN111283926A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130165549A1 (en) * | 2011-12-21 | 2013-06-27 | E I Du Pont De Nemours And Company | Printing form and process for preparing the printing form with curable composition having solvent-free epoxy resin |
| CN105458161A (en) * | 2015-11-27 | 2016-04-06 | 浙江龙游展宇有机玻璃有限公司 | Powdery release agent composition |
| CN107189084A (en) * | 2017-07-03 | 2017-09-22 | 安徽艾珀希德化工科技有限公司 | The aqueous epoxy emulsion prepared by the emulsifying agent of the functional group of bis-epoxy containing isocyanates |
| WO2019165600A1 (en) * | 2018-02-28 | 2019-09-06 | 高海艇 | High temperature-resistant nano composite coating for casting |
| CN108531256A (en) * | 2018-04-24 | 2018-09-14 | 贺州学院 | A kind of releasing agent and preparation method thereof for thermosetting resin |
Non-Patent Citations (3)
| Title |
|---|
| 吴世敏: "《简明精细化工大辞典》", 30 June 1999, 辽宁科学技术出版社 * |
| 宋关玲: "《纳米二氧化钛及其毒性效应研究》", 31 December 2017, 科学技术出文献出版社 * |
| 潘长华: "《实用小化工生产大全 第1卷》", 30 September 1996, 化学工业出版社 * |
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Application publication date: 20200616 |
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