CN113308123B - Method for casting wax by controlling reaction time and reaction temperature process - Google Patents
Method for casting wax by controlling reaction time and reaction temperature process Download PDFInfo
- Publication number
- CN113308123B CN113308123B CN202110517275.2A CN202110517275A CN113308123B CN 113308123 B CN113308123 B CN 113308123B CN 202110517275 A CN202110517275 A CN 202110517275A CN 113308123 B CN113308123 B CN 113308123B
- Authority
- CN
- China
- Prior art keywords
- paraffin
- casting wax
- controlling
- catalyst
- reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005266 casting Methods 0.000 title claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 54
- 230000035484 reaction time Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000008569 process Effects 0.000 title abstract description 10
- 239000001993 wax Substances 0.000 claims abstract description 59
- 239000012188 paraffin wax Substances 0.000 claims abstract description 49
- 239000003054 catalyst Substances 0.000 claims abstract description 26
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- -1 alkyl phenolic resin Chemical compound 0.000 claims description 14
- 239000012286 potassium permanganate Substances 0.000 claims description 7
- 239000004327 boric acid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 3
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 3
- 239000001593 sorbitan monooleate Substances 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005452 bending Methods 0.000 abstract description 8
- 150000002191 fatty alcohols Chemical class 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 16
- 238000012360 testing method Methods 0.000 description 9
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/38—Chemical modification of petroleum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of casting wax, in particular to a method for casting wax by controlling the reaction time and the reaction temperature process; the method comprises the following steps: s1, modifying paraffin, S2, placing the modified paraffin, ceresin, a phase solvent and a catalyst in a melting furnace, melting the paraffin, ceresin, the phase solvent and the catalyst into liquid under the temperature condition of 110 ℃, S3, controlling the reaction temperature and the reaction time, S4, filtering the solution, and placing the filtered solution in a mould for cooling and forming; the preparation method comprises the steps of adding a catalyst and a cocatalyst, forming fatty alcohol from paraffin, reacting with introduced oxygen to form modified oxidized wax, taking the modified paraffin as a material, improving the activity of the paraffin, taking the paraffin and ceresin as raw materials, and controlling the reaction temperature and the reaction time under the action of a compatilizer and the catalyst, wherein the prepared casting wax has excellent bending strength, shrinkage and gray; so that the quality of the prepared casting wax is effectively improved.
Description
Technical Field
The invention relates to the technical field of casting wax, in particular to a method for casting wax by controlling reaction time and reaction temperature process.
Background
Casting wax, high and medium temperature precision casting granulation, bead shape, high hardness, good toughness, good stability, and repeated use. The casting wax is mainly used for manufacturing wax moulds of various metal casting restorations. The casting wax is divided into inlay wax and casting metal bracket wax according to different repair requirements.
Patent document CN105683294B discloses "casting paraffin", and the casting paraffin prepared by the above patent document has a high shrinkage rate although it has a certain shrinkage performance, and the prepared casting stone has poor bending strength and gray scale, and cannot meet the use requirements of users for casting wax.
In view of the above, the development of a method for casting wax by controlling the reaction time and reaction temperature course is still a key issue to be solved urgently in the technical field of casting wax.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for casting wax by controlling the reaction time and the reaction temperature process, the invention adds a catalyst and a cocatalyst, makes paraffin form fatty alcohol, reacts with introduced oxygen to form modified oxidized wax, takes the modified paraffin as a material, can improve the activity of the paraffin, takes the paraffin and ceresin as raw materials, and controls the reaction temperature and the reaction time through the action of a compatilizer and the catalyst, so that the prepared casting wax has excellent bending strength, shrinkage and gray; so that the quality of the method for preparing the casting wax by controlling the reaction time and the reaction temperature process is effectively improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of casting wax by controlling the progression of reaction time and reaction temperature, comprising the steps of:
and S1, modifying the paraffin.
S2, placing the modified paraffin, ceresin, phase solvent and catalyst in a melting furnace, and melting into liquid under the temperature condition of 110 ℃.
S3, reacting for 10min under the condition that the reaction temperature is controlled to be 110 ℃.
And S4, filtering the solution, and placing the filtered solution in a mold for cooling and molding to obtain the casting wax.
By adopting the technical scheme: the invention takes paraffin and ceresin as raw materials, controls the reaction temperature and the reaction time under the action of the compatilizer and the catalyst, and ensures that the prepared casting wax has excellent bending strength, shrinkage and gray scale.
The invention is further configured to: the compatilizer is one or more of alkyl phenolic resin, xylene resin and polymer resin.
By adopting the technical scheme: the phase solvent used in the invention has excellent compatibility and can improve the bonding property of the modified paraffin and the ozokerite to a great extent.
The invention is further configured to: the catalyst is one or more of lauryl sorbitan, sorbitan monooleate and stearyl sorbitan.
By adopting the technical scheme: the catalyst used in the invention has a dispersive catalytic effect, so that the modified paraffin and ceresin are dispersed and dissolved.
The invention is further configured to: in the step 1, modifying paraffin wax comprises the following steps:
s101, placing paraffin in a reaction kettle.
S102, adding a catalyst into the reaction kettle, and uniformly stirring.
S103, adding a promoter into the reaction kettle, and uniformly mixing.
S104, introducing oxygen into the reaction kettle, and controlling the temperature of the reaction kettle at 120-150 ℃ to prepare the modified paraffin.
By adopting the technical scheme: according to the invention, the catalyst and the cocatalyst are added, the paraffin is made into fatty alcohol, the fatty alcohol reacts with the introduced oxygen to form the modified oxidized wax, and the modified paraffin is used as a material, so that the activity of the paraffin can be improved, and the characteristics and the quality of the prepared casting wax are further improved.
The invention is further configured to: the catalyst is potassium permanganate.
By adopting the technical scheme: the invention takes potassium permanganate as a catalyst, saturated hydrocarbon can be changed into carboxylic acid under the catalysis of potassium permanganate, and paraffin is modified.
The invention is further configured to: the promoter is boric acid ester.
By adopting the technical scheme: the boric acid ester is used as a promoter, and in an oxidation system in which the boric acid ester exists, the boric acid ester prevents the paraffin from being further oxidized to form the fatty alcohol.
The invention is further configured to: in the step S2, the solution in the melting furnace is stirred at a rotation speed of 20-30 r/min.
By adopting the technical scheme: the invention stirs the solution in the melting furnace, so that the solution can be uniformly mixed, and the quality of the prepared casting wax is improved.
The invention is further configured to: in the step S4, the solution is filtered by using a microporous wire mesh.
By adopting the technical scheme: the invention adopts the micropore wire mesh to filter the solution, removes impurities in the solution and avoids the impurities from influencing the bending strength, the shrinkage rate and the gray scale of the casting wax.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
according to the invention, a catalyst and a cocatalyst are added, saturated hydrocarbon can be changed into carboxylic acid under the catalysis of potassium permanganate, paraffin is modified, in an oxidation system in which borate exists, the borate prevents further oxidation of the paraffin to form fatty alcohol, the paraffin is reacted with introduced oxygen to form modified oxidized wax, the modified paraffin is used as a material, the activity of the paraffin can be improved, the paraffin and ceresin are used as raw materials, the reaction temperature and the reaction time are controlled under the action of a compatilizer and the catalyst, so that the prepared casting wax has excellent bending strength, shrinkage rate and gray scale, and the influence of the reaction time and the temperature on the quality of the prepared casting wax is avoided.
Drawings
Fig. 1 is a flow chart of a method of casting wax by controlling the reaction time and reaction temperature course.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only a few 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.
The present invention will be further described with reference to the following examples.
Example 1
Referring to fig. 1, a method for casting wax by controlling the reaction time and reaction temperature process includes the following steps:
step one, modifying paraffin.
And step two, placing the modified paraffin, the ceresin, the phase solvent and the catalyst into a melting furnace, and melting into liquid under the temperature condition of 110 ℃.
And step three, reacting for 10min under the condition that the reaction temperature is controlled to be 110 ℃.
And step four, filtering the solution, and placing the filtered solution in a mold for cooling and molding to obtain the casting wax.
The phase solvent is one or more of alkyl phenolic resin, xylene resin and polymer resin.
The catalyst is one or more of laursorbitan, sorbitan monooleate and stearyl sorbitan.
Modifying paraffin wax, comprising the following steps:
101) and placing the paraffin into a reaction kettle.
102) And adding a catalyst into the reaction kettle, and uniformly stirring.
103) And adding the promoter into the reaction kettle, and uniformly mixing.
104) And introducing oxygen into the reaction kettle, and controlling the temperature of the reaction kettle at 120 ℃ to prepare the modified paraffin.
The catalyst is potassium permanganate.
The promoter is boric acid ester.
The solution in the melting furnace is stirred at the rotating speed of 20 r/min.
The solution was filtered using a microporous wire mesh.
Example 2
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: in step 104, controlling the temperature of the reaction kettle to be 150 ℃;
the solution in the melting furnace is stirred at the rotating speed of 30 r/min.
Comparative example 1
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: the paraffin wax was not modified.
Comparative example 2
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: in step two and step three, the reaction temperature was controlled at 120 ℃.
Comparative example 3
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: in step two and step three, the reaction temperature was controlled at 100 ℃.
Comparative example 4
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: in step three, the reaction time was controlled to be 9 min.
Comparative example 5
The method for casting wax by controlling the reaction time and reaction temperature course provided in this example is substantially the same as that of example 1, with the main differences: in step three, the reaction time was controlled to 11 min.
Performance testing
Taking the casting wax prepared in the embodiments 1 to 2 and the comparative examples 1 to 5 by controlling the reaction time and the reaction temperature process, and detecting the relevant performance of the prepared casting wax by controlling the reaction time and the reaction temperature process, wherein the detection method comprises the following steps:
1. the flexural strength properties of the casting waxes, each of which passed the control of the reaction time and reaction temperature course, were measured according to GB/T14235.2-1993 test standards, and the results are reported in Table 1;
TABLE 1 test table for flexural strength effect of casting wax
| Test item | Detection effect of foundry wax (MPa, 25 ℃ C.) |
| Example 1 | 16 |
| Example 2 | 17 |
| Comparative example 1 | 10 |
| Comparative example 2 | 12 |
| Comparative example 3 | 11 |
| Comparative example 4 | 13 |
| Comparative example 5 | 12 |
2. Respectively detecting the gray level performance of the casting wax passing through the control of the reaction time and the reaction temperature process according to the detection standard NB-SH-T0588-2003, and recording the obtained test results in a table 2;
TABLE 2 Gray scale Performance Effect test Table for casting wax
| Test items | Gray scale effect (%) |
| Example 1 | 0.18 |
| Example 2 | 0.17 |
| Comparative example 1 | 0.27 |
| Comparative example 2 | 0.26 |
| Comparative example 3 | 0.25 |
| Comparative example 4 | 0.27 |
| Comparative example 5 | 0.26 |
3. The shrinkage performance of the casting waxes, each of which was controlled by the progress of the reaction time and the reaction temperature, was measured according to the test standard GB/T142235.4-1993, and the results are shown in Table 2;
TABLE 3 shrinkage performance effect test table of casting wax
As can be seen from the analysis of the relevant data in the above table, the casting wax prepared by the present invention, which controls the reaction time and reaction temperature course, has not only good bending strength property effect, but also low gray scale and low shrinkage rate effect, so that the quality of the prepared casting wax, which controls the reaction time and reaction temperature course, is effectively improved.
According to the invention, a catalyst and a cocatalyst are added, saturated hydrocarbon can be changed into carboxylic acid under the catalysis of potassium permanganate, paraffin is modified, in an oxidation system in which borate exists, the borate prevents the paraffin from being further oxidized to form fatty alcohol, the paraffin is made into the fatty alcohol and reacts with introduced oxygen to form modified oxidized wax, the modified paraffin is used as a material, the activity of the paraffin can be improved, the paraffin and ozokerite are used as raw materials, the prepared casting wax has excellent bending strength, shrinkage and gray scale by controlling reaction temperature and reaction time under the action of a compatilizer and the catalyst, the quality and quality of the prepared casting wax are prevented from being influenced by the reaction time and temperature, and the quality of the prepared casting wax is effectively improved by controlling the reaction time and the reaction temperature.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (3)
1. A method of casting wax by controlling the progression of reaction time and reaction temperature, comprising the steps of:
s1, modifying paraffin;
s2, placing the modified paraffin, the ceresin, the phase solvent and the first catalyst into a melting furnace, and melting into liquid under the temperature condition of 110 ℃;
s3, reacting for 10min under the condition that the reaction temperature is controlled to be 110 ℃;
s4, filtering the solution, and placing the filtered solution in a mould for cooling and forming to obtain casting wax;
wherein, the phase solvent is one or more of alkyl phenolic resin and xylene resin;
the first catalyst is one or more of lauryl sorbitan, sorbitan monooleate and stearyl sorbitan;
in the step 1, modifying paraffin wax comprises the following steps:
s101, placing paraffin in a reaction kettle;
s102, adding a second catalyst into the reaction kettle, and uniformly stirring;
s103, adding a cocatalyst into the reaction kettle, and uniformly mixing;
s104, introducing oxygen into the reaction kettle, and controlling the temperature of the reaction kettle at 120-150 ℃ to prepare modified paraffin;
wherein the second catalyst is potassium permanganate;
the cocatalyst is boric acid ester.
2. The method for casting wax by controlling the progress of reaction time and reaction temperature according to claim 1, wherein the solution in the melting furnace is stirred at a rotation speed of 20 to 30r/min in the step S2.
3. The method for casting wax by controlling a progress of reaction time and reaction temperature as claimed in claim 1, wherein the solution is filtered using a fine wire mesh at the step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517275.2A CN113308123B (en) | 2021-05-12 | 2021-05-12 | Method for casting wax by controlling reaction time and reaction temperature process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517275.2A CN113308123B (en) | 2021-05-12 | 2021-05-12 | Method for casting wax by controlling reaction time and reaction temperature process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113308123A CN113308123A (en) | 2021-08-27 |
| CN113308123B true CN113308123B (en) | 2022-06-10 |
Family
ID=77373038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110517275.2A Active CN113308123B (en) | 2021-05-12 | 2021-05-12 | Method for casting wax by controlling reaction time and reaction temperature process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113308123B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395418B (en) * | 2022-01-10 | 2023-04-14 | 优亿生物科技(宁波)有限公司 | Modified paraffin, preparation method thereof and application thereof in microbial carbon source |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB797514A (en) * | 1954-07-16 | 1958-07-02 | Rolls Royce | Process for manufacture of casting moulds for the casting of metals |
| JP2005013998A (en) * | 2003-06-23 | 2005-01-20 | Mitsui Chemicals Inc | Lost-wax composition for precision casting and method for making pattern for precision casting |
| CN105537510A (en) * | 2015-12-15 | 2016-05-04 | 铜陵铜官府文化创意股份公司 | Casting wax with ozokerite as main body and preparation method thereof |
| CN106084806B (en) * | 2016-06-02 | 2018-08-10 | 东莞理工学院 | Hot investment casting wax and preparation method thereof based on graphite oxide modified rosin |
| CN108949025A (en) * | 2018-06-05 | 2018-12-07 | 张芸 | A kind of heat resistant type rust-proofing wax |
| CN109467944A (en) * | 2018-10-29 | 2019-03-15 | 王景硕 | A kind of dental casting wax material and preparation method thereof |
| CN112358733A (en) * | 2020-11-10 | 2021-02-12 | 青岛新诺科新材料科技发展有限公司 | Precision casting wax mold trimming and preparing wax and preparation method thereof |
| CN112341829A (en) * | 2020-11-10 | 2021-02-09 | 青岛新诺科新材料科技发展有限公司 | Modulated wax for precision casting wax mold and preparation method thereof |
-
2021
- 2021-05-12 CN CN202110517275.2A patent/CN113308123B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113308123A (en) | 2021-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113308123B (en) | Method for casting wax by controlling reaction time and reaction temperature process | |
| CN1204151C (en) | Polymerization of low grade PCPD monomers using an olefin metathesis catalyst | |
| DE4035032C1 (en) | ||
| CN104628900B (en) | Preparation method and applications of spherical magnesium halide carrier | |
| CN103911100A (en) | Polyoxymethylene-based binder for powder injection molding and preparation method of polyoxymethylene-based binder | |
| CN108187746A (en) | Three silicon amine rare earth metal complexs are in catalysis aldehyde and the application in pi-allyl acid reaction | |
| KR20010013028A (en) | Moulded activated metallic fixed-bed catalyst | |
| CN105562587A (en) | Molding sand for reducing cracks on casting and application of molding sand | |
| JP2023507469A (en) | Treatment of purified 2,5-furandicarboxylic acid with water and heat | |
| CN105153059B (en) | The preparation method of Yi Zhong oxazolidinone compounds | |
| CN116640408A (en) | High-temperature-resistant phenolic resin molding material and manufacturing method thereof | |
| CN110819126A (en) | Medium-temperature prepared wax and preparation method thereof | |
| CN111393554B (en) | Polydicyclopentadiene blank and preparation method thereof | |
| JP2010174160A (en) | Method for producing polyoxypropylene glycol | |
| CN110732658B (en) | In-mold casting inoculation block and inoculation method of nodular cast iron | |
| CN101376679B (en) | Supported type vanadium non-metallocene catalyst, preparation and use | |
| CN110814279A (en) | Precision casting modulation wax | |
| JPS5942582B2 (en) | Foundry sand grains coated with resin | |
| CN114790155B (en) | Production process of deuterated trifluoro methane sulfonic acid | |
| JP6770619B1 (en) | Method for Producing 1,1'-Bi-2-naphthol Compound | |
| CN115466288B (en) | Method for synthesizing selenium/sulfur ligand based on chiral diphosphine ligand | |
| CN114437142B (en) | Preparation method of crotyl palladium chloride dimer | |
| KR102005861B1 (en) | A method for producing a polyethylene wax having a low molecular weight and a narrow molecular weight distribution by controlling polymerization conditions | |
| CN114349799B (en) | Synthesis method of ruthenium carboxylate complex | |
| JPH0225501A (en) | Stainless steel powder for injection forming and production of compound for injection forming and stainless steel sintered body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220629 Address after: 266000 No.1 Meishan Road, Laixi Economic Development Zone, Qingdao, Shandong Province Patentee after: Qingdao Suntech new materials technology development Co.,Ltd. Patentee after: QINGDAO SINOCAST PROTECH Co.,Ltd. Address before: 266000 Meishan Road South, Laixi Economic Development Zone, Qingdao, Shandong Patentee before: QINGDAO SINOCAST PROTECH Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240403 Address after: No.1 Meishan Road, Laixi Economic Development Zone, Qingdao, Shandong 266600 Patentee after: Qingdao Suntech new materials technology development Co.,Ltd. Country or region after: China Address before: 266000 No.1 Meishan Road, Laixi Economic Development Zone, Qingdao, Shandong Province Patentee before: Qingdao Suntech new materials technology development Co.,Ltd. Country or region before: China Patentee before: QINGDAO SINOCAST PROTECH Co.,Ltd. |