CN109161050A - Silanization organic phenol-nano silica system and its preparation method and application - Google Patents
Silanization organic phenol-nano silica system and its preparation method and application Download PDFInfo
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- CN109161050A CN109161050A CN201810795246.0A CN201810795246A CN109161050A CN 109161050 A CN109161050 A CN 109161050A CN 201810795246 A CN201810795246 A CN 201810795246A CN 109161050 A CN109161050 A CN 109161050A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
Silanization organic phenol-nano silica system and its preparation method and application, in proportion by weight, 6 parts of silicon sources and 40 parts of organic phenolic substancess are mixed in four-hole bottle, 40 DEG C, stirring half an hour is maintained under the conditions of 500r/min, 2h is added dropwise by constant pressure funnel in the mixed liquor of 8 parts of basic catalysts and 10 parts of water again, 3-6 parts of silane coupling agents are added, silanization organic phenol-nano silica system can be obtained in reaction 4h.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of silanization organic phenol-nano silica system and
Preparation method and application.
Background technique
Phenolic foam is a kind of novel foamed plastic to grow up in recent years, and phenol formaldehyde foam is relative to polyurethane foam
Foam, polystyrene foam, have a clear superiority in terms of high temperature resistant, and phenol formaldehyde foam can be long-term in -196-200 DEG C of temperature ranges
Using without deforming and degrading.Low cigarette, low toxicity when phenol formaldehyde foam also has light, heat-insulated, burning, without obvious flame, without drop
Junk, thermal conductivity are low, and heat-proof quality is good, excellent electrical insulation capability, have the advantages that resistant to chemical etching, resistance to mould, therefore
Building heat preservation, petrochemical industry, aerospace vehicle insulation aspect have broad application prospects.Phenol formaldehyde foam has brilliant resistance
Combustion, heat-proof quality, while its poor mechanical property, mechanical strength are low, these disadvantages all seriously constrain its application range and make
Anti-flammability with service life phenolic resin be it is best in numerous Common Polymers materials, use phenolic resin as the base of fire proofing
Body can greatly improve the flame retardant property of material.
For many years, people have conducted extensive research the toughening modifying of phenol formaldehyde foam, wherein nanometer particle-modified phenolic aldehyde bubble
Foam is exactly its hot spot.SiO2/ bakelite resin nano composite material has stability height, the uniform and preferable mechanical performance of structure,
Nano-meter SiO_22The nanocomposite being combined with organic polymer not only has both the basic performance of the two, and also shows
Some distinctive performances of nanocomposite, thus Nano-meter SiO_22It is widely used in rubber, foamed plastics, adhesive and function material
The fields such as material can effectively improve the performances such as the tensile strength of complex matrix, wearability, rheological characteristic, anti-aging.Due to nanometer
SiO2There are great amount of hydroxy group for particle surface, and surface-active is very high, are in thermodynamic (al) non-steady state, are easy to reunite, in polymer
In dispersibility and its bad with the interfacial adhesion situation of polymer, be easy to happen and mutually separate, to affect nano particle
Practical application effect.Therefore it needs to Nano-meter SiO_22It is modified, improves its surface hydrophobic.Pass through hexamethyldisilazane pair
Aerosil carries out Silanized hydrophobic processing, reduces-the OH on micelle surface, makes hydrophilic silicon oxides gel conversion
At hydrophobic gel, the corresponding aerial stability of aerosil is greatly improved.It is organic with silane coupling agent
Low molecular compound is to Nano-meter SiO_22Carry out graft modification.By organic molecule chain link to Nano-meter SiO_22On the high activity point of surface, increase
Solubilization glue SiO2The steric stabilisation of particle acts on；And in SiO2Micelle surface grafting high reaction activity group assigns SiO2Micelle
Certain functionality.Not only the reunion of particle can have been prevented, but also has increased dispersibility of the inorganic phase in organic phase.
Summary of the invention
The technical issues of solution: the present invention provides a kind of silanization organic phenol-nano silica system and its preparation side
Method and application, dedicated for building thermal insulation material, by being added to nanoscale SiO2, phenol formaldehyde foam is modified, is reduced
Resin viscosity simplifies production technology, improves production efficiency so that each raw material mixed performance improves.
Technical solution: a kind of preparation method of silanization organic phenol-nano silica system, step are as follows: in proportion with
6 parts of silicon sources and 40 parts of organic phenolic substancess are mixed in four-hole bottle, 40-50 DEG C by poidometer, are tieed up under the conditions of 400-500r/min
Stirring half an hour is held, then 2h is added dropwise by constant pressure funnel in the mixed liquor of 8 parts of basic catalysts and 10 parts of water, 3 parts of silane idols are added
Join agent, silanization organic phenol-nano silica system can be obtained in reaction 4h.
Above-mentioned silicon source is ethyl orthosilicate (TEOS), tetrapropoxysilane (TPOS), silica solution or waterglass.
Above-mentioned organic phenolic substances is anacardol, cashew nut shell oil, vanillic aldehyde, phenol, resorcinol or metacresol.
Above-mentioned basic catalyst be 37wt.% ammonium hydroxide, 30wt.% sodium hydroxide solution, 30wt.% calcium hydroxide solution or
30wt.% barium hydroxide solution.
Above-mentioned silane coupling agent is KH-560, trim,ethylchlorosilane, propyl trimethoxy silicane or 1,1,3,3- tetramethyl
Disilane.
The organic phenol of silanization made from above-mentioned preparation method-nano silica system.
Above-mentioned silanization organic phenol-nano silica system is preparing the application in lignin phenol formaldehyde resin.
Silanization organic phenol-nano silica system is preparing the application in lignin phenol formaldehyde resin, in proportion with weight
Meter first carries out the oxidative degradation of lignin, 5-10 parts of silanization organic phenol-nano silica systems is then added, then
It is warming up to 70-75 DEG C, 48 parts of paraformaldehydes are added, is warming up to 80-83 DEG C, constant temperature 2h, 12 parts of urea is added, is cooled to 40-50
DEG C discharging, silanization nano silica lignin phenol formaldehyde resin can be obtained.
Above-mentioned lignin is alkali lignin, enzymolysis xylogen or lignosulfonates.
The utility model has the advantages that due to silanization Nano-meter SiO_22High-temperature stability, the heat resistance of thermal insulation material can be improved, use silicon
Alkane coupling agent organic low molecular compounds are to Nano-meter SiO_22Graft modification is carried out, by organic molecule chain link to Nano-meter SiO_22Surface
On high activity point, increase colloidal sol SiO2The steric stabilisation of particle acts on；And in SiO2Micelle surface grafting high reaction activity base
Group assigns SiO2The certain functionality of micelle.Silanization Nano-meter SiO_22Chemical stability is good, good dispersion, simplifies technique stream
Journey improves reaction efficiency, and lignin fictitious hosts are cheap, greatly reduce production cost.Nanometer titanium dioxide is prepared with tradition
Solvent when silicon, if methanol, ethyl alcohol, isopropanol are compared, when silanization nano silica is added in phenolic resin, the present invention
That has abandoned later period frequent deionized water washing separating step and small molecular alcohol isolates and purifies removal process, simplifies experiment work
Skill improves production efficiency.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modification made by the method for the present invention, step or condition and replaces, belong to the present invention
Range.
Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Lignin oxidation's degradation technique is carried out referring to Chinese invention application CN102504477A(201110314750.2).It is reacting
In activity test, free aldehyde is down to 0.93% by the 1.45% of blank assay, and content of free aldehyde is down to by the 0.33g of blank assay
0.1g, reactivity significantly improve.Therefore the reaction temperature of resin does not have hot stage (90-95 DEG C), the contracting of simultaneous reactions time
It is short, have hot stage by original 2h-2.5h(at 80-85 DEG C) foreshorten to 1.5-2h.
Embodiment 1
The first step, to the preparation of silanization organic phenol-nano silica system: 6g tetrapropoxysilane and 150g phenol are set
In the four-hole bottle of 40 DEG C of heating water baths, 0.5h is stirred under the conditions of 500 r/min, will then fill the mixed of 8g ammonium hydroxide and 10g water
It closes liquid and 1h is added dropwise by constant pressure funnel, continue to stir 1h after being added dropwise to complete, 3g trim,ethylchlorosilane is added, the reaction was continued 3h is obtained
Trimethylchloro-silicane alkanisation Resorcino-nano silica system.Second step, to the nano-silicon dioxide modified phenolic aldehyde tree of silanization
Rouge carries out raw material preparation: four-hole boiling flask being placed in 40 DEG C of water-baths, by 105g trimethylchloro-silicane alkanisation Resorcino-nano-silica
SiClx system, 3g calcium hydroxide, is added sequentially in four-hole boiling flask, stirs under the conditions of 500r/min, is warming up to 75 DEG C, average
It is added in three batches and amounts to 24g paraformaldehyde, every minor tick 10min is added to last batch of, is warming up to 85 DEG C, reacts 1.5h, so
15g urea, cooling are added afterwards, 50 DEG C of dischargings obtain the nano-silicon dioxide modified phenolic resin of silanization.Step 3: reacting
In activity test, free aldehyde percentage is down to 0.73% by the 1.64% of blank assay, content of free aldehyde by blank assay 0.56g
It is down to 0.14g, reactivity significantly improves.
Embodiment 2
The first step carries out the chemical degradation of lignin: 15g water and 15g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2g H of 20 wt.% of 5g is added2O2Solution stirs 2h under the conditions of 500r/min, carries out chemistry to lignin
The pretreatment of degradation；Second step, to the preparation of silanization organic phenol-nano silica system: by 6g tetrapropoxysilane and
170g phenol is placed in the four-hole bottle of 40 DEG C of heating water baths, and 0.5h is stirred under the conditions of 500 r/min, will then fill 8g 25
1h is added dropwise by constant pressure funnel in the mixed liquor of wt.% ammonium hydroxide and 10g water, continues to stir 1h after being added dropwise to complete, 3g trimethylchloro-silicane is added
Alkane, the reaction was continued 3h obtain propyl trimethoxy silicane-nano silica system；Third step, to silanization nano-silica
SiClx lignin-base phenolic resin carries out raw material preparation: by 90g propyl trimethoxy silicane-nano silica system, oxygen
Lignin after changing degradation, 3g barium hydroxide are added sequentially in four-hole boiling flask in order, stir under the conditions of 500r/min, rise
24g paraformaldehyde is added to 75 DEG C in temperature in two batches, and every minor tick 15min is added to last batch of, is warming up to 85 DEG C, reaction
1.5-2h, is added 12g urea, cooling, and 50 DEG C of dischargings obtain the nano-silicon dioxide modified lignin-base phenolic resin of silanization；
Step 4: free aldehyde percentage is down to 0.64% by the 1.53% of blank assay, and content of free aldehyde is by sky in reactivity test
The 0.48g of white experiment is down to 0.12g, and reactivity significantly improves.
Embodiment 3
The first step carries out the chemical degradation of lignin: 18g water and 18g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2g H of 4.5g 20wt.% is added2O2Solution stirs 2h under the conditions of 500r/min, to lignin
Learn the pretreatment of degradation；Second step, to the preparation of silanization organic phenol-nano silica system: by 6g ethyl orthosilicate and
180g vanillic aldehyde is placed in the four-hole bottle of 40 DEG C of heating water baths, and 0.5h is stirred under the conditions of 500 r/min, will then fill 9g 12
1.5h is added dropwise by constant pressure funnel in the mixed liquor of wt.% sodium hydroxide solution and 8g water, continues to stir 1h after being added dropwise to complete, be added
3g1,1,3,3- tetramethyl disilane, the reaction was continued 3h obtain 1,1,3,3- tetramethyl disilane vanillic aldehyde-nanometer titanium dioxide
Silicon system；Third step carries out raw material preparation to silanization nano silica lignin-base phenolic resin: after oxidative degradation
Lignin, 1,1,3,3- tetramethyl disilane vanillic aldehyde of 103g-nano silica system, 2g sodium hydroxide, in order
It is added sequentially in four-hole boiling flask, is stirred under the conditions of 500r/min, be warming up to 75 DEG C, 24g paraformaldehyde is added in three batches, every time
It is spaced 15min, is added to last batch of, is warming up to 83 DEG C, reacts 1.5-2h, 13g urea, cooling is added, 50 DEG C of dischargings obtain
To the nano-silicon dioxide modified lignin-base phenolic resin of silanization；4th step, in reactivity test, dissociate aldehyde percentage
It is down to 0.61% by the 1.46% of blank assay, content of free aldehyde is down to 0.20g by the 0.41g of blank assay, and reactivity is obvious
It improves.
Embodiment 4
The first step carries out the chemical degradation of lignin: 20g water and 20g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2.5g H of 20 wt.% of 5g is added2O2Solution stirs 2h under the conditions of 500r/min, to lignin
Learn the pretreatment of degradation；Second step, to the preparation of silanization organic phenol-nano silica system: by 6g ethyl orthosilicate and
160g anacardol is placed in the four-hole bottle of 40 DEG C of heating water baths, and 0.5h is stirred under the conditions of 500r/min, will then fill 10g 17
1.5h is added dropwise by constant pressure funnel in the mixed liquor of wt.% barium hydroxide solution and 9g water, continues to stir 1h after being added dropwise to complete, 3g is added
KH-560, the reaction was continued 3h, obtain KH-560 anacardol-nano silica system；Third step, to silanization Nano-meter SiO_22Wood
Quality base phenolic resin carries out raw material preparation: by the lignin after oxidative degradation, 95g KH-560 anacardol-nano silica
System, 2.8g calcium hydroxide, is added sequentially in four-hole boiling flask in order, stirs under the conditions of 500r/min, is warming up to 75 DEG C, point
Three batches of addition 24g paraformaldehydes, every minor tick 10min are added to last batch of, are warming up to 85 DEG C, react 1.5-2h, then plus
Enter 18g urea, cool down, 50 DEG C of dischargings obtain the nano-silicon dioxide modified lignin-base phenolic resin of silanization；4th step,
In reactivity test, free aldehyde percentage is down to 0.53% by the 1.39% of blank assay, and content of free aldehyde is by blank assay
0.45g is down to 0.17g, and reactivity significantly improves.
Embodiment 5
The first step carries out the chemical degradation of lignin: 21g water and 21g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2.5g H of 4g 20wt.% is added2O2Solution stirs 2h under the conditions of 500r/min, to lignin
Learn the pretreatment of degradation；Second step, to silanization organic phenol-Nano-meter SiO_22The preparation of system: by 7g ethyl orthosilicate and 170g
Metacresol is placed in the four-hole bottle of 40 DEG C of heating water baths, and 0.5h is stirred under the conditions of 500 r/min, will then fill 15 wt.% of 8g
0.5h is added dropwise by constant pressure funnel in the mixed liquor of calcium hydroxide solution and 8g water, continues to stir 1h after being added dropwise to complete, 3g propyl is added
Trimethoxy silane, the reaction was continued 3h obtain propyl trimethoxy silicane metacresol-nano silica system；Third step,
To silanization Nano-meter SiO_22Lignin-base phenolic resin carries out raw material preparation: by the lignin after oxidative degradation, 100g propyl three
Methoxy silane metacresol-nano silica system, 3.5g barium hydroxide are added sequentially in four-hole boiling flask in order,
It is stirred under the conditions of 500r/min, is warming up to 75 DEG C, 24g paraformaldehyde, every minor tick 10min, to last batch of are added in three batches
It adds, is warming up to 82 DEG C, react 1.5-2h, 16g urea, cooling is then added, 50 DEG C of dischargings obtain silanization Nano-meter SiO_22
Lignin-base phenolic resin；4th step, in reactivity test, free aldehyde percentage is down to by the 1.47% of blank assay
0.50%, content of free aldehyde is down to 0.17g by the 0.49g of blank assay, and reactivity significantly improves.
Embodiment 6
The first step carries out the chemical degradation of lignin: 22g water and 22g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2g H of 5.5g 20wt.% is added2O2Solution stirs 2h under the conditions of 500r/min, to lignin
Learn the pretreatment of degradation；Second step, to silanization organic phenol-Nano-meter SiO_22The preparation of system: by 5g ethyl orthosilicate and 180g
Resorcinol is placed in the four-hole bottle of 40 DEG C of heating water baths, and 0.5h is stirred under the conditions of 500r/min, will then fill 7g 10
0.5h is added dropwise by constant pressure funnel in the mixed liquor of wt.% sodium hydroxide solution and 8g water, continues to stir 1h after being added dropwise to complete, 3g is added
Trim,ethylchlorosilane, the reaction was continued 3h obtain trimethylchloro-silicane alkanisation resorcinol-nano silica system；Third step is right
Silanization Nano-meter SiO_22Lignin-base phenolic resin carries out raw material preparation: by the lignin after oxidative degradation, 9g trimethylchloro-silicane
Alkanisation resorcinol-nano silica system, 3g sodium hydroxide are added sequentially in four-hole boiling flask in order, 500r/min item
It is stirred under part, is warming up to 75 DEG C, 24g paraformaldehyde is added in three batches, every minor tick 10min is added to last batch of, is warming up to
85 DEG C, 1.5-2h is reacted, 17g urea, cooling is then added, 50 DEG C of dischargings obtain silanization Nano-meter SiO_22Modified lignin resin base
Phenolic resin；4th step, in reactivity test, free aldehyde percentage is down to 0.59% by the 1.53% of blank assay, dissociates
Aldehyde is down to 0.19g by the 0.51g of blank assay, and reactivity significantly improves.
Comparative example
The first step carries out the chemical degradation of lignin: 25g water and 25g lignin are placed in the four-hole boiling flask of 50 DEG C of heating water baths
In, the NaOH solution and 2-3g H of 20 wt.% of 4-6g is added2O2Solution stirs 2h under the conditions of 500 r/min, to lignin into
The pretreatment of row chemical degradation；Second step carries out raw material preparation to lignin-base phenolic resin: will be wooden after oxidative degradation
Element, 100g phenol, 3g sodium hydroxide are added sequentially in four-hole boiling flask in order, stir under the conditions of 500r/min, are warming up to 75
DEG C, 24g paraformaldehyde is added in three batches, every minor tick 10min is added to last batch of, is warming up to 85 DEG C, 1.5-2h is reacted,
Then 15g urea, cooling is added, 50 DEG C of dischargings obtain modified lignin resin base phenolic resin；4th step, in reactivity test,
Free aldehyde percentage is 1.1%-1.7%, content of free aldehyde 0.14g-0.56g.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow person skilled in the art
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all smart according to the present invention
The equivalent transformation or modification that refreshing essence is done, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of preparation method of silanization organic phenol-nano silica system, it is characterised in that step are as follows: in proportion with weight
6 parts of silicon sources and 40 parts of organic phenolic substancess are mixed in four-hole bottle, 40-50 DEG C by meter, are maintained under the conditions of 400-500r/min
It stirs half an hour, then 2h is added dropwise by constant pressure funnel in the mixed liquor of 8 parts of basic catalysts and 10 parts of water, 3 parts of addition is silane coupled
Silanization organic phenol-nano silica system can be obtained in agent, reaction 4h.
2. silanization organic phenol-nano silica system preparation method according to claim 1, it is characterised in that described
Silicon source is ethyl orthosilicate (TEOS), tetrapropoxysilane (TPOS), silica solution or waterglass.
3. silanization organic phenol-nano silica system preparation method according to claim 1, it is characterised in that described
Organic phenolic substances is anacardol, cashew nut shell oil, vanillic aldehyde, phenol, resorcinol or metacresol.
4. silanization organic phenol-nano silica system preparation method according to claim 1, it is characterised in that described
Basic catalyst is 37wt.% ammonium hydroxide, 30wt.% sodium hydroxide solution, 30wt.% calcium hydroxide solution or 30wt.% barium hydroxide
Solution.
5. silanization organic phenol-nano silica system preparation method according to claim 1, it is characterised in that described
Silane coupling agent is KH-560, trim,ethylchlorosilane, propyl trimethoxy silicane or 1,1,3,3- tetramethyl disilane.
6. silanization organic phenol-nano silica system made from any preparation method of claim 1 ~ 5.
7. the organic phenol of silanization described in claim 6-nano silica system is preparing the application in lignin phenol formaldehyde resin.
8. silanization organic phenol-nano silica system is in preparing lignin phenol formaldehyde resin according to claim 7
Using, it is characterised in that in proportion by weight, the oxidative degradation of lignin is first carried out, it is organic that 5-10 parts of silanizations are then added
Phenol-nano silica system, then heats to 70-75 DEG C, and 48 parts of paraformaldehydes are added, and is warming up to 80-83 DEG C, constant temperature 2h,
12 parts of urea are added, 40-50 DEG C of discharging is cooled to, silanization nano silica lignin phenol formaldehyde resin can be obtained.
9. silanization organic phenol-nano silica system is in preparing lignin phenol formaldehyde resin according to claim 8
Using, it is characterised in that the lignin is alkali lignin, enzymolysis xylogen or lignosulfonates.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862498A (en) * | 2019-11-09 | 2020-03-06 | 华东师范大学 | Preparation method of asymmetric aminated silicon dioxide/phenolic resin composite particles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467911A (en) * | 2013-09-27 | 2013-12-25 | 厦门大学 | Method for preparing nano-silica-boron modified phenolic resin |
| CN104987658A (en) * | 2015-07-31 | 2015-10-21 | 武汉理工大学 | Boron/cardanol/nano-material modified phenolic resin material and preparation method therefor |
| CN106632937A (en) * | 2016-09-27 | 2017-05-10 | 中国林业科学研究院林产化学工业研究所 | Organic phenol-nanosilicon dioxide system and preparation method and application thereof |
| CN107586435A (en) * | 2017-09-18 | 2018-01-16 | 中国林业科学研究院林产化学工业研究所 | A kind of method for improving phenolic aldehyde foam thermal insulation material mechanical strength |
-
2018
- 2018-07-19 CN CN201810795246.0A patent/CN109161050A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467911A (en) * | 2013-09-27 | 2013-12-25 | 厦门大学 | Method for preparing nano-silica-boron modified phenolic resin |
| CN104987658A (en) * | 2015-07-31 | 2015-10-21 | 武汉理工大学 | Boron/cardanol/nano-material modified phenolic resin material and preparation method therefor |
| CN106632937A (en) * | 2016-09-27 | 2017-05-10 | 中国林业科学研究院林产化学工业研究所 | Organic phenol-nanosilicon dioxide system and preparation method and application thereof |
| CN107586435A (en) * | 2017-09-18 | 2018-01-16 | 中国林业科学研究院林产化学工业研究所 | A kind of method for improving phenolic aldehyde foam thermal insulation material mechanical strength |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862498A (en) * | 2019-11-09 | 2020-03-06 | 华东师范大学 | Preparation method of asymmetric aminated silicon dioxide/phenolic resin composite particles |
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Application publication date: 20190108 |