CN110317308A - A kind of preparation method and refractory material of phenolic resin for refractory material - Google Patents
A kind of preparation method and refractory material of phenolic resin for refractory material Download PDFInfo
- Publication number
- CN110317308A CN110317308A CN201910638650.1A CN201910638650A CN110317308A CN 110317308 A CN110317308 A CN 110317308A CN 201910638650 A CN201910638650 A CN 201910638650A CN 110317308 A CN110317308 A CN 110317308A
- Authority
- CN
- China
- Prior art keywords
- refractory material
- phenolic resin
- preparation
- maleimide
- acid
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
Abstract
The present invention relates to Polymer Synthesizing and technical field of modification, specifically a kind of phenolic resin for refractory material and refractory material.The preparation method of the phenolic resin for refractory material includes the following steps: that reaction kettle 1) is added in phenol, maleimide, acidic catalyst；2) aldehyde is added dropwise into step 1) acquired solution；3) step 2) acquired solution heating reduced vacuum dehydration releases vacuum when resulting material temperature is 100-130 DEG C, and boron compound is added, is stirred to react 1-3h；4) decompression dehydration again, obtains phenolic resin for refractory material.The beneficial effects of the present invention are: the preparation method of phenolic resin for refractory material of the present invention carries out chemical modification to phenolic resin using maleimide and boron, effectively improve the heat resistance of resin, simultaneously improve resin Residual carbon and adhesion strength, when being prepared using thermoplasticity part phenolic resin of the method for the present invention preparation for refractory material, elevated temperature strength is higher than conventional phenolic resin.
Description
Technical field
The present invention relates to Polymer Synthesizing and technical field of modification, specifically a kind of phenolic resin for refractory material and resistance to
Fiery material.
Background technique
Phenolic resin is the synthetic resin of earliest industrialized production in the world, excellent anti-flammability, electrical property and insulation
Property, there is extensive use in fields such as composite material, coating, foamed material, adhesive, ink.Phenolic resin is especially with its height
Residual carbon and temperature tolerance dosage in terms of fire bond it is very big.
As fire bond, it is desirable that resin have high temperature tolerance and thermal stability, and have in the carbonized compared with
High Residual carbon just can guarantee intensity at a high temperature of material.But the phenolic resin carbon residue for the phenylol being commonly used exists
60% or so, heat resistance need to be improved.
Application No. is 200910036024.1 Chinese invention patents to disclose a kind of method for improving resin heat resistance, in phenol
More Boratexes are added in urea formaldehyde solution.Application No. is 201410117218.5 Chinese invention patents to be made using PVDF hollow fiber membrane
The elevated temperature strength of additive improvement refractory material.But the method for refractory material high-temperature temperature is improved at present mainly or uses physics
Mixed method, effect are to be improved.
Summary of the invention
The technical problems to be solved by the present invention are: Residual carbon is high the purpose of the present invention is to provide a kind of heat-resist,
The preparation method and refractory material of high-intensitive phenolic resin for refractory material.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of phenolic aldehyde tree used for refractory material is provided
The preparation method of rouge, includes the following steps:
1) reaction kettle is added in phenol, maleimide, acidic catalyst, stirs and is warming up to 80-95 DEG C；
2) aldehyde is added dropwise into step 1) acquired solution, after being added dropwise, is warming up to 90-100 DEG C, reacts 1-5h；
3) step 2) acquired solution heating reduced vacuum dehydration releases true when resulting material temperature is 100-130 DEG C
Sky is added boron compound, is stirred to react 1-3h；
4) decompression dehydration again, obtains phenolic resin for refractory material.
Another technical solution of the invention is to provide a kind of refractory material, the refractory material include the following raw material preparation and
At: 30-80 parts of calcium magnesite；10-50 parts of aluminium oxide；Any one of 5-20 parts of carbon and claim 1-6 phenolic aldehyde tree used for refractory material
The phenolic resin for refractory material that the preparation method of rouge is prepared.
The beneficial effects of the present invention are: the preparation method of phenolic resin for refractory material of the present invention uses maleimide
Chemical modification is carried out to phenolic resin with boron compound, effectively improves the heat resistance of resin, while making resin Residual carbon and bonding
Intensity improves.When being prepared using phenol-formaldehyde resin modified obtained by the present invention for refractory material, elevated temperature strength is higher than Conventional phenol-formaldehyde tree
Rouge.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
Key ideas of the invention is: phenolic resin for refractory material of the present invention is low-free phenol resin, reduces small point
Defect caused by sub- substance is degraded at high temperature improves Residual carbon and adhesion strength；
Phenolic resin for refractory material of the present invention reduces hardener dose using the mechanism of maleimide self-curing, reduces
Hole defect caused by solidification process gas generates；
Phenolic resin for refractory material of the present invention further uses boron to be modified resin, improves the heat resistance of resin；
Phenolic resin for refractory material of the present invention is using the Maleimide-modified phenolic resin of low-free phenol boracic as resistance to
The binder of fiery material, the rich content of carbon in refractory material obtained, adhesion strength is high under high temperature.
A kind of preparation method of phenolic resin for refractory material of embodiment of the present invention, includes the following steps:
1) reaction kettle is added in phenol, maleimide, acidic catalyst, stirs and is warming up to 80-95 DEG C；
2) aldehyde is added dropwise into step 1) acquired solution, after being added dropwise, is warming up to 90-100 DEG C, reacts 1-5h；
3) step 2) acquired solution heating reduced vacuum dehydration releases true when resulting material temperature is 100-130 DEG C
Sky is added boron compound, is stirred to react 1-3h；
4) decompression dehydration again, obtains phenolic resin for refractory material.
The preparation method of above-mentioned phenolic resin for refractory material the utility model has the advantages that tree can be reduced using low-free phenol resin
The content of rouge small molecular substance reduces the generation of escaping gas at high temperature, reduces hole caused by escaping gas
Defect, in addition free phenol content low energy effectively improves the crosslink density of resin, to improve resin-bonded intensity, and effectively changes
Property processing environment.
Preferably, in the preparation method of above-mentioned phenolic resin for refractory material, the phenol is that those skilled in the art are familiar with
Phenol, the phenol be phenol, anacardol, cresols, metacresol, bisphenol-A, p-tert-butylphenol, one of 3- amino phenols or
It is a variety of.
Preferably, in the preparation method of above-mentioned phenolic resin for refractory material, the acidic catalyst is selected from common
Organic acid or inorganic acid, the acidic catalyst are selected from oxalic acid, hydrochloric acid, sulfuric acid, phosphoric acid, phosphonic acids, benzene sulfonic acid and to toluene sulphur
One of acid is a variety of.
Preferably, in the preparation method of above-mentioned phenolic resin for refractory material, the aldehyde is formaldehyde, paraformaldehyde, benzene
Formaldehyde, acetaldehyde, the combination of one or more of propionic aldehyde, butyraldehyde.
Preferably, in the preparation method of above-mentioned phenolic resin for refractory material, the boron compound is selected from boric acid, triphen
Ylboronic acid ester, diphenyl-borinic acids ester, diphenyl-borinic acids -2- amino ethyl ester, the positive valyl base diphenyl-borinic acids ester of L- and half Guang of L-
One of aminoacyl diphenyl-borinic acids ester, tri-o-tolyl borate are a variety of.
Preferably, in the preparation method of above-mentioned phenolic resin for refractory material, the maleimide is N- phenyl horse
Come acid imide, N- benzyl maleimide, N, penylene bismaleimide, N- (4- fluorophenyl) maleimide, N- between N'-
(4- bromophenyl) maleimide, N- (4- aminophenyl) maleimide, N- (4- nitrobenzophenone) maleimide, N- benzene first
Base -2,3- dibromo-maleimide, N, one of N'- (4,4'- methylenediphenyl) bismaleimide or a variety of.
The present invention also provides a kind of refractory material, the refractory material includes that the following raw material is prepared: calcium magnesite 30-80
Part；10-50 parts of aluminium oxide；The preparation method system of any one of 5-20 parts of carbon and claim 1-6 phenolic resin for refractory material
Standby obtained phenolic resin for refractory material.
Above-mentioned refractory material is the utility model has the advantages that the phenolic resin for refractory material is that low-free phenol boracic maleimide changes
Property phenolic resin, using inorganic protective layer can be generated in refractory material high-temperature sintering process containing boron bakelite resin, play every
Hot insulation effect reduces the ablation of carbon, effectively saves the carbon structure of material, improves material at high temperature adhesion strength.Maleimide
Double bond structure the purpose of self-curing may be implemented, effectively reduce the dosage of curing agent, reduce the generation of gas, while can mention
High crosslink density makes material avoid the loss of carbon at high temperature, to raising strength of materials significant effect.
Preferably, in above-mentioned refractory material, the carbon is one of graphite or carbon black.
Preferably, in above-mentioned refractory material, the mass percent of the free phenol of the phenolic resin for refractory material≤
1.5%.
Embodiment 1
A kind of preparation method of phenolic resin for refractory material, includes the following steps:
1) reaction kettle is added in phenol 100g, N-phenylmaleimide 2g, oxalic acid 1g, stirs and is warming up to 85 DEG C；
2) 37% formaldehyde 60g is added dropwise into step 1), after being added dropwise, is warming up to 90 DEG C, reacts 4h；
3) decompression dehydration releases vacuum when temperature of charge is 110 DEG C, and boric acid is added, is stirred to react 2h；
4) again decompression dehydration to get phenolic resin for refractory material (the Maleimide-modified phenolic aldehyde of low-free phenol boracic
Resin).
A kind of preparation of refractory material, includes the following steps:
By 50 parts of calcium magnesite, 30 parts of aluminium oxide, it is first mixed to get premix, premix and embodiment 1 is added in batch mixer
Middle Maleimide-modified 4 parts of mixing 3min of phenolic resin of gained low-free phenol boracic, add 16 parts of carbon mixing 30min,
Mixed material is obtained, mixed material is put into equal static pressure press die, extrusion forming puts gained moulded products in kiln road into
It burns the product to 300 DEG C, after kiln discharge and passes through reconditioning, obtain refractory material after brushing oxidation-resistant material.
Embodiment 2
A kind of preparation method of phenolic resin for refractory material, includes the following steps:
1) reaction kettle is added in phenol 100g, N- benzyl maleimide 2g, oxalic acid 0.8g, stirs and is warming up to 90 DEG C；
2) 37% formaldehyde 65g is added dropwise into step 1), after being added dropwise, is warming up to 95 DEG C, reacts 4h；
3) decompression dehydration releases vacuum when temperature of charge is 110 DEG C, and boric acid is added, is stirred to react 2h；
4) again decompression dehydration to get phenolic resin for refractory material (the Maleimide-modified phenolic aldehyde of low-free phenol boracic
Resin).
A kind of preparation of refractory material, includes the following steps:
By 60 parts of calcium magnesite, 20 parts of aluminium oxide, it is first mixed to get premix, premix and embodiment 2 is added in batch mixer
Middle Maleimide-modified 4 parts of mixing 3min of phenolic resin of gained low-free phenol boracic, add 16 parts of carbon mixing 30min,
Mixed material is obtained, mixed material is put into equal static pressure press die, extrusion forming puts gained moulded products in kiln road into
It burns the product to 300 DEG C, after kiln discharge and passes through reconditioning, obtain refractory material after brushing oxidation-resistant material.
Embodiment 3
A kind of preparation method of phenolic resin for refractory material, includes the following steps:
1) reaction kettle is added in phenol 100g, N- benzyl maleimide 3g, oxalic acid 0.8g, stirs and is warming up to 90 DEG C；
2) 37% formaldehyde 65g is added dropwise into step 1), after being added dropwise, is warming up to 95 DEG C, reacts 4h；
3) decompression dehydration releases vacuum when temperature of charge is 110 DEG C, and boric acid is added, is stirred to react 2h；
4) again decompression dehydration to get phenolic resin for refractory material (the Maleimide-modified phenolic aldehyde of low-free phenol boracic
Resin).
A kind of preparation of refractory material, includes the following steps:
By 60 parts of calcium magnesite, 20 parts of aluminium oxide, it is first mixed to get premix, premix and embodiment 3 is added in batch mixer
Middle Maleimide-modified 5 parts of mixing 3min of phenolic resin of gained low-free phenol boracic, add 15 parts of carbon mixing 30min,
Mixed material is obtained, mixed material is put into equal static pressure press die, extrusion forming puts gained moulded products in kiln road into
It burns the product to 300 DEG C, after kiln discharge and passes through reconditioning, obtain refractory material after brushing oxidation-resistant material.
Comparative example 1
The preparation of phenolic resin:
1) reaction kettle is added in phenol 100g, oxalic acid 1g, stirs and is warming up to 85 DEG C；
2) 37% formaldehyde 60g is added dropwise into step 1), after being added dropwise, is warming up to 90 DEG C, reacts 4h；
3) decompression dehydration to get arrive phenolic resin.
The preparation of refractory material:
By 50 parts of calcium magnesite, 30 parts of aluminium oxide, it is first mixed to get premix, premix and comparative example 4 is added in batch mixer
4 parts of mixing 3min of middle gained phenolic resin, add 16 parts of carbon mixing 30min, mixed material are obtained, mixed material
It is put into equal static pressure press die, extrusion forming, gained moulded products is put into the product burnt in kiln road to 300 DEG C, after kiln discharge
By reconditioning, refractory material is obtained after brushing oxidation-resistant material.
Comparative example 2
The preparation of phenolic resin:
1) reaction kettle is added in phenol 100g, oxalic acid 1g, stirs and is warming up to 85 DEG C；
2) 37% formaldehyde 60g is added dropwise into step 1), after being added dropwise, is warming up to 90 DEG C, reacts 4h；
3) decompression dehydration to get arrive phenolic resin.
The preparation of refractory material:
By 60 parts of calcium magnesite, 20 parts of aluminium oxide, it is first mixed to get premix, premix and comparative example 5 is added in batch mixer
4 parts of mixing 3min of middle gained phenolic resin, add 16 parts of carbon mixing 30min, mixed material are obtained, mixed material
It is put into equal static pressure press die, extrusion forming, gained moulded products is put into the product burnt in kiln road to 300 DEG C, after kiln discharge
By reconditioning, refractory material is obtained after brushing oxidation-resistant material.
Comparative example 3
The preparation of phenolic resin:
1) reaction kettle is added in phenol 100g, oxalic acid 1g, stirs and is warming up to 85 DEG C；
2) 37% formaldehyde 60g is added dropwise into step 1), after being added dropwise, is warming up to 90 DEG C, reacts 4h；
3) decompression dehydration to get arrive phenolic resin.
The preparation of refractory material:
By 60 parts of calcium magnesite, 20 parts of aluminium oxide, it is first mixed to get premix, premix and comparative example 6 is added in batch mixer
5 parts of mixing 3min of middle gained phenolic resin, add 15 parts of carbon mixing 30min, mixed material are obtained, mixed material
It is put into equal static pressure press die, extrusion forming, gained moulded products is put into the product burnt in kiln road to 300 DEG C, after kiln discharge
By reconditioning, refractory material is obtained after brushing oxidation-resistant material.
Table 1
Shown in capabilities of refractory materials data comparison from above-mentioned table 1 it is found that in same raw material, proportion and technology condition
Under, using phenolic resin refractory material obtained by the Maleimide-modified phenolic resin of low-free phenol boracic, compared to using not
Phenolic resin refractory material obtained by modified phenolic resin, has a higher heat resistance, carbon yield and intensity also compared with
Height, comprehensive performance are preferable.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (9)
1. a kind of preparation method of phenolic resin for refractory material, which comprises the steps of:
1) reaction kettle is added in phenol, maleimide, acidic catalyst, stirs and is warming up to 80-95 DEG C；
2) aldehyde is added dropwise into step 1) acquired solution, after being added dropwise, is warming up to 90-100 DEG C, reacts 1-5h；
3) step 2) acquired solution heating reduced vacuum dehydration releases vacuum, adds when resulting material temperature is 100-130 DEG C
Enter boron compound, is stirred to react 1-3h；
4) decompression dehydration again, obtains phenolic resin for refractory material.
2. the preparation method of phenolic resin for refractory material according to claim 1, which is characterized in that the phenol be phenol,
Anacardol, cresols, metacresol, bisphenol-A, p-tert-butylphenol, one or more of 3- amino phenols.
3. the preparation method of phenolic resin for refractory material according to claim 1, which is characterized in that the acidic catalyst
Selected from one of oxalic acid, hydrochloric acid, sulfuric acid, phosphoric acid, phosphonic acids, benzene sulfonic acid and p-methyl benzenesulfonic acid or a variety of.
4. the preparation method of phenolic resin for refractory material according to claim 1, which is characterized in that the aldehyde be formaldehyde,
Paraformaldehyde, benzaldehyde, acetaldehyde, the combination of one or more of propionic aldehyde, butyraldehyde.
5. the preparation method of phenolic resin for refractory material according to claim 1, which is characterized in that the boron compound choosing
From boric acid, triphenyl borine acid esters, diphenyl-borinic acids ester, diphenyl-borinic acids -2- amino ethyl ester, the positive valyl base diphenyl-borinic acids of L-
One of ester and L- cysteinyl- diphenyl-borinic acids ester, tri-o-tolyl borate are a variety of.
6. the preparation method of phenolic resin for refractory material according to claim 1, which is characterized in that the maleimide
For N-phenylmaleimide, N- benzyl maleimide, N, penylene bismaleimide, N- (4- fluorophenyl) Malaysia between N'-
Acid imide, N- (4- bromophenyl) maleimide, N- (4- aminophenyl) maleimide, N- (4- nitrobenzophenone) maleimide
Amine, N- benzyl -2,3- dibromo-maleimide, N, one of N'- (4,4'- methylenediphenyl) bismaleimide or
It is a variety of.
7. a kind of refractory material, which comprises the steps of: the refractory material includes that the following raw material is prepared:
30-80 parts of calcium magnesite；10-50 parts of aluminium oxide；Any one of 5-20 parts of carbon and claim 1-6 phenolic resin for refractory material
The phenolic resin for refractory material that preparation method is prepared.
8. refractory material according to claim 7, which is characterized in that the carbon is one of graphite or carbon black.
9. refractory material according to claim 7, which is characterized in that the matter of the free phenol of the phenolic resin for refractory material
Measure percentage≤1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638650.1A CN110317308A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method and refractory material of phenolic resin for refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638650.1A CN110317308A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method and refractory material of phenolic resin for refractory material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110317308A true CN110317308A (en) | 2019-10-11 |
Family
ID=68123624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638650.1A Pending CN110317308A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method and refractory material of phenolic resin for refractory material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110317308A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087563A (en) * | 2019-12-25 | 2020-05-01 | 上海昶法新材料有限公司 | Modified phenolic resin, preparation method and refractory material containing modified phenolic resin |
| CN112226037A (en) * | 2020-10-15 | 2021-01-15 | 界首市宏达塑业有限公司 | High-strength oxidation-resistant plastic particles and preparation method thereof |
| CN112708242A (en) * | 2021-01-29 | 2021-04-27 | 义马瑞能化工有限公司 | Preparation method of high-strength and high-corrosion-resistance phenolic resin for tundish |
| CN113912801A (en) * | 2021-11-25 | 2022-01-11 | 浙江自立高分子化工材料有限公司 | Anhydrous phenolic resin binder for magnesia-calcium brick and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0459855A (en) * | 1990-06-28 | 1992-02-26 | Daihachi Chem Ind Co Ltd | N-hydroxyphenylmaleimide-based polymer-modified phenolic resin composition |
| JP2001247640A (en) * | 2000-03-06 | 2001-09-11 | Aisin Seiki Co Ltd | Bismaleimide-modified phenolic resin, pad and shoe |
| CN102558475A (en) * | 2010-12-20 | 2012-07-11 | 徐孝华 | Phenolic resin containing maleinimide |
| CN102838361A (en) * | 2012-09-12 | 2012-12-26 | 首钢总公司 | MgCa-SiC-C fireproof material and preparation method thereof |
-
2019
- 2019-07-16 CN CN201910638650.1A patent/CN110317308A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0459855A (en) * | 1990-06-28 | 1992-02-26 | Daihachi Chem Ind Co Ltd | N-hydroxyphenylmaleimide-based polymer-modified phenolic resin composition |
| JP2001247640A (en) * | 2000-03-06 | 2001-09-11 | Aisin Seiki Co Ltd | Bismaleimide-modified phenolic resin, pad and shoe |
| CN102558475A (en) * | 2010-12-20 | 2012-07-11 | 徐孝华 | Phenolic resin containing maleinimide |
| CN102838361A (en) * | 2012-09-12 | 2012-12-26 | 首钢总公司 | MgCa-SiC-C fireproof material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 唐见茂: "《绿色复合材料》", 31 December 2016, 中国铁道出版社 * |
| 徐翠平: "硼酸和N-HPM改性酚醛树脂的制备及在超硬模具上的应用", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》 * |
| 闫春泽等: "《激光选区烧结3D打印技术：上、下册》", 31 March 2019, 华中科技大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087563A (en) * | 2019-12-25 | 2020-05-01 | 上海昶法新材料有限公司 | Modified phenolic resin, preparation method and refractory material containing modified phenolic resin |
| CN112226037A (en) * | 2020-10-15 | 2021-01-15 | 界首市宏达塑业有限公司 | High-strength oxidation-resistant plastic particles and preparation method thereof |
| CN112708242A (en) * | 2021-01-29 | 2021-04-27 | 义马瑞能化工有限公司 | Preparation method of high-strength and high-corrosion-resistance phenolic resin for tundish |
| CN113912801A (en) * | 2021-11-25 | 2022-01-11 | 浙江自立高分子化工材料有限公司 | Anhydrous phenolic resin binder for magnesia-calcium brick and preparation method thereof |
| CN113912801B (en) * | 2021-11-25 | 2023-08-22 | 浙江自立高分子化工材料有限公司 | Anhydrous phenolic resin binder for magnesia-calcium bricks and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110317308A (en) | A kind of preparation method and refractory material of phenolic resin for refractory material | |
| CN103554395B (en) | Preparation method of aryl-containing boron thermoplastic phenolic resin | |
| CN103396650B (en) | A kind of modified alkyd resin based friction material | |
| CN105315419B (en) | A kind of preparation method of the boron modification of resistance to ablation thermoplastic phenolic resin | |
| CN102351564B (en) | Method for preparing wood ceramics by sintering coal tar pitch and biomass materials | |
| CN106589799A (en) | Lignin modified phenolic resin based composite material and preparation method thereof | |
| CN105958079B (en) | A kind of lithium ion battery of graphene composite coating aluminium foil and the application aluminium foil | |
| CN104004150B (en) | Phenolic resin of energy in-situ preparation Graphene and preparation method thereof | |
| CN107082859A (en) | A kind of preparation method of the heat resistance modified phenolic resin of toughness reinforcing | |
| US4058403A (en) | Refractory compositions | |
| CN102329136B (en) | Method for preparing magnesia carbon brick | |
| CN104449499A (en) | Phenolic resin adhesive and preparation method thereof | |
| CN102276957B (en) | Phenolic resin for refractory bricks and preparation method thereof | |
| CN102408531B (en) | Thermosetting phenolic resin and preparation method thereof | |
| CN100445310C (en) | Preparation method of boron modified phenolic resin | |
| CN102942662A (en) | Preparation method of phenolic resin for refractory material | |
| CN103396651A (en) | Preparation method of modified phenolic resin-base friction material | |
| CN105754058A (en) | Preparation method of lignin and boron dual-modified phenolic resin and phenolic moulding plastic | |
| CN105111980A (en) | Special modified phenolic aldehyde high-temperature-resistant adhesive | |
| CN102719055A (en) | High temperature resistant epoxy glass fiber reinforced plastic composite material and preparation method thereof | |
| CN108084930A (en) | A kind of LED display binding agent and preparation method thereof | |
| CN102993392A (en) | Preparation method of thermosetting phenol resin | |
| CN111018545A (en) | Curing agent and preparation method and application thereof | |
| CN105802125A (en) | Flame-retardant high-temperature-resistant boron phenolic resin composition and preparation method thereof | |
| JPH07315931A (en) | Carbon material for ion implantation member and production thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191011 |