CN102504476B - Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill - Google Patents
Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill Download PDFInfo
- Publication number
- CN102504476B CN102504476B CN 201110325197 CN201110325197A CN102504476B CN 102504476 B CN102504476 B CN 102504476B CN 201110325197 CN201110325197 CN 201110325197 CN 201110325197 A CN201110325197 A CN 201110325197A CN 102504476 B CN102504476 B CN 102504476B
- Authority
- CN
- China
- Prior art keywords
- cardanol
- modified
- boron bakelite
- bakelite resin
- glass fibre
- 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
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a preparation method of a cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for a finishing mill. The preparation method comprises the following steps of: (1) synthesizing cardanol modified boron-containing phenolic resin; (2) preparing a cardanol modified boron-containing phenolic resin dipping solution; (3) preparing a cardanol modified boron-containing phenolic resin/glass fiber prepreg; and (4) heating the cardanol modified boron-containing phenolic resin/glass fiber prepreg, pressurizing to ensure that the cardanol modified boron-containing phenolic resin/glass fiber prepreg is solidified, then cooling, demoulding, machining, and performing heat treatment to obtain the cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for the finishing mill. By adopting the prepared cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for the finishing mill, the defect that the cotton cloth/phenolic resin laminated wiper has short service life can be overcome, and the production efficiency and stability of the finished steel production line can be increased.
Description
Technical field
The present invention relates to a kind of preparation method of water-cutting board of finishing mill, more particularly relate to the preparation method that a kind of finishing mill is used modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board.
Background technology
The water-cutting board of finishing mill, guide plate, liner plate and the slide plate that are applied at present the finish rolling steel production line of steel industry generally have three kinds: (1) cast iron class water discharging board, (2) cotton/phenolic sheet water discharging board, (3) woven fiber glass/boron bakelite resin veneer sheet water discharging board.Cast iron class water discharging board is damaged, is scratched the finish rolling running roller easily and is difficult for removing oxidation impurities, and the finishing mill stabilization of equipment performance is not good simultaneously; Cotton/alkyd resin based water discharging board, although the finishing mill stabilization of equipment performance is good, but because the poor heat resistance of cotton and common resol, cause the shortening in work-ing life of its product, to often change water discharging board in the actual production, reduced the production efficiency of finish rolling steel production line, often changed in addition water discharging board, the stability of finish rolling steel production line is affected.Therefore, the thermotolerance of raising phenolic resin-base composite water discharging board is an important research topic with increasing work-ing life.
Chinese patent 200620074666.2 discloses a kind of high-temperature-resisting wear-resisting cutting-water board, and it comprises a body and a upper layer, and upper layer (1) is coated on body (2) all around.Upper layer (1) is high temperature resistant, high-abrasive material formation, and body (2) is pure cotton cloth/phenolic resin-base composite.This water discharging board still belongs to cotton/phenolic sheet water discharging board, so work-ing life is very limited.
Chinese patent 200610152132.1,200710015204.2,200810042954.3,200810015904.6 and 200810042954.3 etc. discloses a kind of method that phenol, cashew nut shell oil or cardanol, formaldehyde is prepared the line style novolac resin under acidic conditions.The method is brought certain trouble when follow-up prepared layer pressing plate and moulding compound.
Chinese patent 200710015205.7 discloses and will adopt cardanol and phenol, formaldehyde under the basic catalyst effect, makes Cardanol Modified PF Resin.
Chinese patent 200710129766.X discloses a kind of cashew nut oil modified alkyd resin makes cashew nut oil modified alkyd resin through two-step reaction preparation method.
United States Patent (USP) 7,825,284 and 7,781,623 disclose the method for the cardanol of preparation colour stable from cashew nut oil, disclose simultaneously by cardanol, aliphatic amide, formaldehyde reaction to prepare alkyl benzene amine, and alkyl benzene amine is a kind of solidifying agent of Resins, epoxy.
Above-mentioned patent only discloses the preparation method of modified by cardanol lacquer resins, all inapplicable the present invention.
Summary of the invention
Goal of the invention: for the problem and shortage of above-mentioned existing existence, the purpose of this invention is to provide a kind of finishing mill preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board (hereinafter to be referred as " matrix material water discharging board "), matrix material water discharging board by the present invention's preparation overcomes cotton/phenolic sheet water discharging board short deficiency in work-ing life, improves the production efficiency of finish rolling steel production line and the stability of finish rolling steel production line.
Technical scheme: for achieving the above object, the technical solution used in the present invention is a kind of preparation method of matrix material water discharging board, comprises the steps:
(1) synthetic modified by cardanol boron bakelite resin;
(2) preparation modified by cardanol boron bakelite resin dipping solution;
(3) preparation modified by cardanol boron bakelite resin/glass fibre prepreg;
(4) modified by cardanol boron bakelite resin/glass fibre prepreg is solidified modified by cardanol boron bakelite resin/glass fibre prepreg heating, pressurization, then cooling, the demoulding, machining, thermal treatment namely get the matrix material water discharging board.
For the ease of understanding and realize the present invention, below preparation method and the step of matrix material water discharging board are carried out division.
Described modified by cardanol boron bakelite resin comprises the component of following mass fraction:
In the preparation of above-mentioned modified by cardanol boron bakelite resin, preferably, described catalyzer is one or both in magnesium oxide, zinc oxide, the zinc acetate, more preferably, is the compound system of magnesium oxide and zinc acetate.The advantage that adopts this catalyst system is to make whole reaction system be in neutrallty condition, can reduce the corrosion to equipment.
The consumption of cardanol can not improve the performance of resol less than 10 parts in the said components, greater than 15 parts, can reduce the second-order transition temperature of curing speed and the cured article of modified resin, and the mechanical strength of cured article is reduced.The preferable amount of cardanol is 12 parts.
The consumption of said components mesoboric acid is less than 10 parts, and the thermotolerance of cured article descends, and greater than 20 parts, the water-absorbent of resin cured matter increases, and has a strong impact on the performance of cured article, and preferable amount is 18 parts
The preparation technology of above-mentioned modified by cardanol boron bakelite resin is as follows: the phenol with cardanol, formaldehyde and pre-heat fusing adopts vacuum mode sucting reaction still first, then add catalyzer, warming while stirring is incubated 2～3 hours to boiling, then adds boric acid, temperature remains on 80～100 ℃, react muddy to the system generation, be warming up to boiling, be incubated again 0.5～1 hour, decompression dehydration namely obtains a kind of modified by cardanol boron bakelite resin.
The preparation of modified by cardanol boron bakelite resin dipping solution, its raw material and content are as follows in mass fraction:
Modified by cardanol boron bakelite resin 100
Alcohol 30～50
Friction resistant wearing and tearing auxiliary agent 5～20
Above-mentioned raw materials mixed according to the above ratio get final product.Wherein friction resistant wearing and tearing auxiliary agent is two or three in graphite, molybdenumdisulphide, aluminium sesquioxide, zirconium white, the silicon carbide.Alcohol is one or both in methyl alcohol, the ethanol.
The preparation of modified by cardanol boron bakelite resin/glass fibre prepreg,
With glass fibre by the preimpregnation of above-mentioned modified by cardanol boron bakelite resin dipping solution after, enter drying plant oven dry, bake out temperature is 100～145 ℃, linear velocity is 2～3m/min.The volatile matter of general above-mentioned prepreg is not more than 3%.The content of glass fibre is 50～55% (weight) in modified by cardanol boron bakelite resin/fiber prepreg material.
Modified by cardanol boron bakelite resin/glass fibre prepreg is arranged between two block plates, and heating between thermocompressor two hot plates, pressurization are solidified prepreg, and then cooling, the demoulding, machining, thermal treatment namely get composite product.Its technological process comprises: the processes such as folded material, progressive die, hot pressing, cooling, the demoulding, machining, thermal treatment.The temperature of heating can be 210 ℃, and the pressure of pressurization can be 10～30MPa.
The present invention compared with prior art has the following advantages: manufacturing process is simple, stable manufacturing process, and is workable, is convenient to suitability for industrialized production; Its modified by cardanol boron bakelite resin base glass fiber composite material is not only applicable to the water discharging board of the smart roughing steel production line of steel industry, is equally applicable to guide plate, liner plate and the slide plate of the smart roughing steel production line of steel industry.
Beneficial effect: preparation technology of the present invention is simple, stable preparation process, and is workable, is convenient to suitability for industrialized production.By the matrix material water discharging board rub resistance wearing and tearing of the present invention preparation, high temperature resistant, has excellent resistance to impact shock, be not only applicable to the water discharging board of the smart roughing steel production line of steel industry, be equally applicable to guide plate, liner plate and the slide plate of the smart roughing steel production line of steel industry.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Embodiment 1:
The preparation of modified by cardanol boron bakelite resin: first will: the phenol employings vacuum mode sucting reaction still of 12 gram cardanols, 130 gram formaldehyde (36.5%) and the pre-heat fusing of 90 grams, then add 1.0 gram magnesium oxide and 1.0 gram zinc acetates, warming while stirring is to boiling, be incubated 2 hours, then add 18 gram boric acid, temperature remains on 90～100 ℃, reacts muddy to the system generation, be warming up to boiling, be incubated 0.5 hour; Decompression dehydration namely gets the described modified by cardanol boron bakelite resin of 168g.
The preparation of modified by cardanol boron bakelite resin dipping solution: get above-mentioned 100 gram modified by cardanol boron bakelite resins, 30 gram methyl alcohol, 8 gram graphite, 2 gram molybdenumdisulphide, 10 gram aluminium sesquioxides, mix and namely obtain a kind of modified by cardanol boron bakelite resin dipping solution.
The preparation of modified by cardanol boron bakelite resin/glasscloth prepreg: with glass fibre by the preimpregnation of above-mentioned modified by cardanol boron bakelite resin dipping solution after, enter drying plant oven dry, bake out temperature is 125 ℃, linear velocity is 2～3m/min.The volatile matter of general above-mentioned prepreg is not more than 3%, and the content of glass fibre is 50% (weight).
With the prepreg of above-mentioned oven dry through cutting, superimposed dress mould, place between the stainless steel plate of two polishings, be placed on heating on the thermocompressor, pressurization, through hot-press solidifying, then cooling, the demoulding, machining, aftertreatment namely get the matrix material water discharging board.The thermocompressor temperature is 210 ℃, and pressure is 20MPa.
Embodiment 2:
The preparation of modified by cardanol boron bakelite resin: first will: the phenol employings vacuum mode sucting reaction still of 10 gram cardanols, 120 gram formaldehyde (34.5%) and the pre-heat fusing of 90 grams, then add 1.0 gram zinc oxide and 1.0 gram zinc acetates, warming while stirring is to boiling, be incubated 3 hours, then add 10 gram boric acid, temperature remains on 80～90 ℃, reacts muddy to the system generation, be warming up to boiling, be incubated 1 hour; Decompression dehydration namely gets the described modified by cardanol boron bakelite resin of 156 grams.
The preparation of modified by cardanol boron bakelite resin dipping solution: get above-mentioned 100 gram modified by cardanol boron bakelite resins, 50 gram ethanol, 2 gram graphite, 1 gram molybdenumdisulphide, 2 gram zirconium whites, mix and namely obtain a kind of modified by cardanol boron bakelite resin dipping solution.
The preparation of modified by cardanol boron bakelite resin/glasscloth prepreg: with glass fibre by the preimpregnation of above-mentioned modified by cardanol boron bakelite resin dipping solution after, enter drying plant oven dry, bake out temperature is 100 ℃, linear velocity is 2～3m/min.The volatile matter of general above-mentioned prepreg is not more than 3%, and the content of glass fibre is 55% (weight).
With the prepreg of above-mentioned oven dry through cutting, superimposed dress mould, place between the stainless steel plate of two polishings, be placed on heating on the thermocompressor, pressurization, through hot-press solidifying, then cooling, the demoulding, machining, aftertreatment namely get the matrix material water discharging board.The thermocompressor temperature is 210 ℃, and pressure is 10MPa.
Embodiment 3:
The preparation of modified by cardanol boron bakelite resin: first will: the phenol employings vacuum mode sucting reaction still of 15 gram cardanols, 130 gram formaldehyde (38.5%) and the pre-heat fusing of 90 grams, then add 1.0 gram magnesium oxide and 1.0 gram zinc acetates, warming while stirring is to boiling, be incubated 3 hours, then add 20 gram boric acid, temperature remains on 90～100 ℃, reacts muddy to the system generation, be warming up to boiling, be incubated 1 hour; Decompression dehydration namely gets the described modified by cardanol boron bakelite resin of 174 grams.
The preparation of modified by cardanol boron bakelite resin dipping solution: get above-mentioned 100 gram modified by cardanol boron bakelite resins, 50 gram methyl alcohol, 8 gram graphite, 2 gram molybdenumdisulphide, 10 gram silicon carbide, mix and namely obtain a kind of modified by cardanol boron bakelite resin dipping solution.
The preparation of modified by cardanol boron bakelite resin/glasscloth prepreg: with glass fibre by the preimpregnation of above-mentioned modified by cardanol boron bakelite resin dipping solution after, enter drying plant oven dry, bake out temperature is 145 ℃, linear velocity is 2～3m/min.The volatile matter of general above-mentioned prepreg is not more than 3%, and the content of glass fibre is 52% (weight).
With the prepreg of above-mentioned oven dry through cutting, superimposed dress mould, place between the stainless steel plate of two polishings, be placed on heating on the thermocompressor, pressurization, through hot-press solidifying, then cooling, the demoulding, machining, aftertreatment namely get the matrix material water discharging board.The thermocompressor temperature is 210 ℃, and pressure is 30MPa.
Claims (7)
1. the preparation method of a finishing mill usefulness modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board is characterized in that, comprises the steps:
(1) synthetic modified by cardanol boron bakelite resin;
(2) preparation modified by cardanol boron bakelite resin dipping solution;
(3) preparation modified by cardanol boron bakelite resin/glass fibre prepreg;
(4) modified by cardanol boron bakelite resin/glass fibre prepreg is solidified modified by cardanol boron bakelite resin/glass fibre prepreg heating, pressurization, then cooling, the demoulding, machining, thermal treatment namely get finishing mill modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board;
In the described step (2), each component proportion is as follows in mass fraction:
Modified by cardanol boron bakelite resin 100
Alcohol 30～50
Friction resistant wearing and tearing auxiliary agent 5～20
Above-mentioned raw materials mixed according to the above ratio get final product; Wherein friction resistant wearing and tearing auxiliary agent is two or three in graphite, molybdenumdisulphide, aluminium sesquioxide, zirconium white, the silicon carbide, and alcohol is one or both in methyl alcohol, the ethanol.
2. described a kind of finishing mill is with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board according to claim 1, and it is characterized in that: in the described step (1), each component proportion is as follows in mass fraction:
Described catalyzer is one or both in magnesium oxide, zinc oxide, the zinc acetate;
The preparation method of described modified by cardanol boron bakelite resin is: the phenol with cardanol, formaldehyde and pre-heat fusing adopts vacuum mode sucting reaction still first, then add catalyzer, warming while stirring is incubated 2～3 hours to boiling, then adds boric acid, temperature remains on 80～100 ℃, react muddy to the system generation, be warming up to boiling, be incubated again 0.5～1 hour, decompression dehydration namely obtains the modified by cardanol boron bakelite resin.
3. described a kind of finishing mill is with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board according to claim 2, and it is characterized in that: the content of described formaldehyde is 34.5～38.5%(weight).
According to claim 1 described a kind of finishing mill with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board, it is characterized in that: in the described step (3), described modified by cardanol boron bakelite resin/glass fibre prepreg is after glass fibre is passed through the preimpregnation of modified by cardanol boron bakelite resin dipping solution, to enter the drying plant oven dry and form.
According to claim 4 described a kind of finishing mill with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board, it is characterized in that: the temperature of described oven dry is 100～145 ℃, and the linear velocity of moving in described drying plant by the glass fibre after the preimpregnation of modified by cardanol boron bakelite resin dipping solution is 2～3m/min.
6. described a kind of finishing mill is with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board according to claim 4, and it is characterized in that: the weight of described glass fibre accounts for 50～55% of modified by cardanol boron bakelite resin/glass fibre prepreg weight.
According to claim 1 described a kind of finishing mill with the preparation method of modified by cardanol boron bakelite resin base glass fibre matrix material water discharging board, it is characterized in that: in the described step (4), the temperature of described heating is 210 ℃, and the pressure of described pressurization is 10～30MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325197 CN102504476B (en) | 2011-10-24 | 2011-10-24 | Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325197 CN102504476B (en) | 2011-10-24 | 2011-10-24 | Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102504476A CN102504476A (en) | 2012-06-20 |
| CN102504476B true CN102504476B (en) | 2013-04-03 |
Family
ID=46216614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110325197 Active CN102504476B (en) | 2011-10-24 | 2011-10-24 | Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102504476B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082859A (en) * | 2017-05-12 | 2017-08-22 | 浙江杭摩合成材料股份有限公司 | A kind of preparation method of the heat resistance modified phenolic resin of toughness reinforcing |
| CN109868653B (en) * | 2019-03-04 | 2021-04-27 | 湖北菲利华石英玻璃股份有限公司 | Preparation method of large-thickness fiber fabric prepreg for non-metallic composite material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856871A (en) * | 2009-04-08 | 2010-10-13 | 富比利实业股份有限公司 | Composite material finished product and manufacturing method thereof |
| CN102179981B (en) * | 2011-03-28 | 2013-05-15 | 浙江华正新材料股份有限公司 | Wear-resisting high-molecular composite material |
-
2011
- 2011-10-24 CN CN 201110325197 patent/CN102504476B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102504476A (en) | 2012-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102329474B (en) | Organosilicon and titanium modified boron containing phenolic resin composite material and preparation method thereof | |
| CN103553695B (en) | Carbon-ceramic composite brake disc and preparation method thereof | |
| CN100424120C (en) | Friction material for vehicles without asbestos and metal | |
| CN100516122C (en) | Method for preparing friction material by wet type mixing material | |
| CN102277133B (en) | High temperature-resistant composite ceramic friction material | |
| CN102141101B (en) | Environmental-protection high-speed car brake sheet and warm-pressing process of brake sheet | |
| CN103122959A (en) | High-temperature wear-resisting ceramic composite fiber brake block | |
| CN104877632A (en) | Low-resin friction material and preparation method thereof | |
| CN113124076A (en) | Low-resin-based aramid pulp wear-resistant disc brake pad and preparation method thereof | |
| CN102504476B (en) | Preparation method of cardanol modified boron-containing phenolic resin-based glass fiber composite wiper for finishing mill | |
| CN104086729B (en) | A kind of dimethylbenzene phenol-formaldehyde resin modified and the method preparing water discharging board thereof | |
| CN113251090A (en) | Composite wear-resistant material for brake pad and preparation method thereof | |
| CN100549089C (en) | Phenolic resin for humectant refractory material and synthetic method thereof | |
| CN102691736B (en) | Environment-friendly high wear-resistant asbestos-free brake block and electromagnetic hot pressing technique | |
| CN102433101B (en) | Composite reinforced ceramic high-temperature resistant friction material | |
| CN102794912A (en) | Preparation method of friction material for vehicle brake disc | |
| CN106221122A (en) | The formula of a kind of heat-resistant antifriction membrane material and preparation technology | |
| CN104785774A (en) | Method for preparing carbon fiber automobile brake material | |
| CN107401568A (en) | A kind of disk brake brake block liner and its method for preparation | |
| CN104327800A (en) | Resin-based friction material for brake block and preparation process of resin-based friction material | |
| CN112809567B (en) | Efficient high-precision polishing grinding wheel for shaft metal parts and preparation method thereof | |
| CN101704284B (en) | Method for preparing resin-based friction material | |
| CN102808878A (en) | Carbon-based friction material for drum brake of light passenger vehicle and preparation method of carbon-based friction material | |
| CN102898985A (en) | Preparation method for furan nitrogen-free environment protection casting resin adhesive | |
| CN104943183B (en) | A kind of cold pressing one-shot forming technique of disc brake pad |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |