CN107245166A - A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying - Google Patents
A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying Download PDFInfo
- Publication number
- CN107245166A CN107245166A CN201710596342.8A CN201710596342A CN107245166A CN 107245166 A CN107245166 A CN 107245166A CN 201710596342 A CN201710596342 A CN 201710596342A CN 107245166 A CN107245166 A CN 107245166A
- Authority
- CN
- China
- Prior art keywords
- nano silicon
- shell particles
- zinc
- magnesium aluminum
- silicon core
- 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
- 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
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying, the present invention prepares zinc-magnesium aluminum hydrotalcite using co-precipitation centrifugation hydro-thermal method, then its presoma and nano silicon core-shell particles reaction are prepared to the ternary zinc-magnesium aluminum hydrotalcite of intercalation modifying, introducing of the nucleocapsid than the nano silicon core-shell particles for 30/70, the heat stabilizer of gained and PVC blend is set to have higher heat endurance good, and because the reaction of GMA epoxide groups in core-shell particles shell and PVC carboxyls makes gained hydrotalcite thermal stabilizer be difficult well to reunite with polymer matrix compatability, initial stage for that can significantly improve PVC in PVC suppresses discoloration, processing rheological property and resistance to elevated temperatures, good weatherability long-time stability are good.
Description
Technical field
The present invention relates to hydrotalcite thermal stabilizer production field, and in particular to a kind of nano silicon core-shell particles intercalation
The preparation method of modified ternary zinc-magnesium aluminum hydrotalcite heat stabilizer.
Background technology
Polyvinyl chloride（PVC）It is one of important general-purpose plastics, because its is nonflammable, performance is good and the low advantage of price,
It is widely used in the various fields such as tubing, plastic door-window, electric wire.But PVC heat endurances are very poor, and in process
Processing temperature is higher than PVC decomposition temperature, there is unstable chlorine atom on PVC strands, and it easily occurs in the case of heated
Dehydrochlorination, causes to form the polyene structure with conjugated double bond in PVC so that the color of PVC material changes, simultaneously
The physical and chemical properties of PVC material are deteriorated.Thus, it is necessary to which it is thermally-stabilised to improve its to add heat stabilizer in process
Performance.The species of PVC heat stabilizer is more, at present, the low-toxicity green environment-benign heat stabilizer based on Ca/Zn stabilizers into
For development trend.The hydrogen chloride that the interlayer carbanion and laminate of hydrotalcite can be produced with PVC degradeds reacts, therefore
PVC long-term thermal stabilities can be improved, are widely used in PVC auxiliary heat stabilizers.Hydrotalcite layers ion has commutative
Property, therefore feature anion can be introduced to interlayer preparation feature hydrotalcite to improve PVC performances.
Study dihydrogen phosphate intercalation zinc-magnesium aluminum hydrotalcite and compounded with PVC in the prior art, research finds phosphorus
The initial stage that acid dihydride root intercalation zinc-magnesium aluminum hydrotalcite can not only significantly improve PVC suppresses discoloration, meanwhile, biphosphate
The dispersiveness in polyvinyl chloride base material is improved after root intercalation modifying zinc-magnesium aluminum hydrotalcite and is improved between polyvinyl chloride
Compatibility, polyvinyl chloride mechanical property improves, but processing rheological property is in a slight decrease and long-term thermal stability is not good.
The content of the invention
It is an object of the invention to provide a kind of ternary zinc-magnesium aluminium neatly of nano silicon core-shell particles intercalation modifying
The preparation method of stone heat stabilizer, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this：
A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying, it is special
Levy and be, comprise the following steps：
（1）Absolute ethyl alcohol and deionized water are made into alcohol-water solution with volume ratio 95: 5, are with dilute nitric acid solution regulation pH value
3-4, the lower addition nano silicon ultrasonic disperse of stirring mixes to obtain suspension；
（2）Silane coupler is added into above-mentioned suspension and bleeding agent stirs and evenly mixs ultrasonic disperse 20-30min, is spray-dried
Obtain modified manometer silicon dioxide；
（3）Modified manometer silicon dioxide, polymer monomer, assistant for emulsifying agent, initiator are well mixed in room according to a certain percentage
The lower magnetic agitation 30min of temperature, adjusts pH to 8-9, adds after emulsifying agent SDS stirs and ultrasound point is carried out under 1200W power
15min is dissipated, 70-80 DEG C is warming up to, with 300r/min 5-6 hours obtained nano silicon nucleocapsid grains of speed stirring reaction
Son；
（4）Weigh a certain amount of Magnesium dichloride hexahydrate, zinc chloride, Aluminium chloride hexahydrate to be dissolved in deionized water, stirring is obtained
Even mixing salt solution, then weigh a certain amount of sodium hydroxide and sodium carbonate is dissolved in deionized water, stirring obtains mixed ammonium/alkali solutions,
Two kinds of mixed solutions are controlled to add nucleation in rotating liquid-film reactor simultaneously with 1 drop/s speed, and forced circulation 2min is obtained
White nucleation slurries；
（5）By step（4）Obtained white nucleation slurries were centrifuged, washing in crystallization under reflux temperature 6 hours, obtained zinc
Magnalium hydrotalcite wet cake；
（6）By step（5）Zinc-magnesium aluminum hydrotalcite wet cake ultrasonic disperse in water, 2h is stirred at 90 DEG C, it is then slow plus
Enter step（3）Nano silicon core-shell particles, adjust pH=4 with dilute nitric acid solution, reaction are finally stirred at reflux at 100 DEG C
12 h, stand natural cooling, and suction filtration, washing to neutrality is dried for 60 DEG C and discharged.
The step（1）The mass fraction of nano silicon is 25-30% in middle suspension.
Step（2）Described in silane coupler be KH570, addition be nano silicon consumption 3-5%, it is described
Bleeding agent be AEO, addition be nano silicon consumption 0.6-0.9%.
The step（3）The nucleocapsid of middle nano silicon core-shell particles is than 30: 70；Described polymer monomer includes single
Body butyl acrylate (BA), methyl methacrylate (MMA) and GMA (GMA), wherein GMA mass point
The mass ratio that number is 1%, MMA and BA is 4: 6；Described assistant for emulsifying agent is hexadecane, and addition is the 10- of monomer total amount
13%；Described initiator is azodiisobutyronitrile, and addition is the 0.5-0.8% of monomer total amount；Described emulsifying agent SDS additions
Measure the 6-8% for monomer total amount.
The step（4）Middle n（MgCl2·6H2O）∶n（ZnCl2）∶n（AlCl3·6H2O）=1∶1∶1；Described hydroxide
The mol ratio 2 of sodium and metal cation；Described sodium carbonate and the mol ratio of metal cation are 1.
The step（5）In zinc-magnesium aluminum hydrotalcite wet cake solid content be 23-25%.
The step（6）The addition of middle nano silicon core-shell particles is the 3- of zinc-magnesium aluminum hydrotalcite wet cake consumption
4%。
The present invention has following beneficial effect：The present invention prepares zinc-magnesium aluminum hydrotalcite using co-precipitation-centrifugation-hydro-thermal method, so
Its presoma and nano silicon core-shell particles reaction are prepared to the ternary zinc-magnesium aluminum hydrotalcite of intercalation modifying afterwards, nucleocapsid ratio is
The introducing of 30/70 nano silicon core-shell particles, makes the heat stabilizer of gained and PVC blend have higher heat
Stability is good, and due to the reaction of GMA epoxide groups and PVC carboxyls in core-shell particles shell make gained hydrotalcite thermal stabilizer with
Polymer matrix compatability be difficult well reunite, for can be significantly improved in PVC suppress PVC initial stage discoloration,
Processing rheological property and resistance to elevated temperatures, good weatherability long-time stability are good.
Embodiment
A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying,
It is characterised in that it includes following steps：
（1）Absolute ethyl alcohol and deionized water are made into alcohol-water solution with volume ratio 95: 5, are with dilute nitric acid solution regulation pH value
3-4, the lower addition nano silicon ultrasonic disperse of stirring mixes to obtain suspension；
（2）Silane coupler is added into above-mentioned suspension and bleeding agent stirs and evenly mixs ultrasonic disperse 20-30min, is spray-dried
Obtain modified manometer silicon dioxide；
（3）Modified manometer silicon dioxide, polymer monomer, assistant for emulsifying agent, initiator are well mixed in room according to a certain percentage
The lower magnetic agitation 30min of temperature, adjusts pH to 8-9, adds after emulsifying agent SDS stirs and ultrasound point is carried out under 1200W power
15min is dissipated, 70-80 DEG C is warming up to, with 300r/min 5-6 hours obtained nano silicon nucleocapsid grains of speed stirring reaction
Son；
（4）Weigh a certain amount of Magnesium dichloride hexahydrate, zinc chloride, Aluminium chloride hexahydrate to be dissolved in deionized water, stirring is obtained
Even mixing salt solution, then weigh a certain amount of sodium hydroxide and sodium carbonate is dissolved in deionized water, stirring obtains mixed ammonium/alkali solutions,
Two kinds of mixed solutions are controlled to add nucleation in rotating liquid-film reactor simultaneously with 1 drop/s speed, and forced circulation 2min is obtained
White nucleation slurries；
（5）By step（4）Obtained white nucleation slurries were centrifuged, washing in crystallization under reflux temperature 6 hours, obtained zinc
Magnalium hydrotalcite wet cake；
（6）By step（5）Zinc-magnesium aluminum hydrotalcite wet cake ultrasonic disperse in water, 2h is stirred at 90 DEG C, it is then slow plus
Enter step（3）Nano silicon core-shell particles, adjust pH=4 with dilute nitric acid solution, reaction are finally stirred at reflux at 100 DEG C
12 h, stand natural cooling, and suction filtration, washing to neutrality is dried for 60 DEG C and discharged.
The step（1）The mass fraction of nano silicon is 25-30% in middle suspension.
Step（2）Described in silane coupler be KH570, addition be nano silicon consumption 3-5%, it is described
Bleeding agent be AEO, addition be nano silicon consumption 0.6-0.9%.
The step（3）The nucleocapsid of middle nano silicon core-shell particles is than 30: 70；Described polymer monomer includes single
Body butyl acrylate (BA), methyl methacrylate (MMA) and GMA (GMA), wherein GMA mass point
The mass ratio that number is 1%, MMA and BA is 4: 6；Described assistant for emulsifying agent is hexadecane, and addition is the 10- of monomer total amount
13%；Described initiator is azodiisobutyronitrile, and addition is the 0.5-0.8% of monomer total amount；Described emulsifying agent SDS additions
Measure the 6-8% for monomer total amount.
The step（4）Middle n（MgCl2·6H2O）∶n（ZnCl2）∶n（AlCl3·6H2O）=1∶1∶1；Described hydroxide
The mol ratio 2 of sodium and metal cation；Described sodium carbonate and the mol ratio of metal cation are 1.
The step（5）In zinc-magnesium aluminum hydrotalcite wet cake solid content be 23-25%.
The step（6）The addition of middle nano silicon core-shell particles is the 3- of zinc-magnesium aluminum hydrotalcite wet cake consumption
4%。
Claims (7)
1. a kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying, its
It is characterised by, comprises the following steps：
（1）Absolute ethyl alcohol and deionized water are made into alcohol-water solution with volume ratio 95: 5, are with dilute nitric acid solution regulation pH value
3-4, the lower addition nano silicon ultrasonic disperse of stirring mixes to obtain suspension；
（2）Silane coupler is added into above-mentioned suspension and bleeding agent stirs and evenly mixs ultrasonic disperse 20-30min, is spray-dried
Obtain modified manometer silicon dioxide；
（3）Modified manometer silicon dioxide, polymer monomer, assistant for emulsifying agent, initiator are well mixed in room according to a certain percentage
The lower magnetic agitation 30min of temperature, adjusts pH to 8-9, adds after emulsifying agent SDS stirs and ultrasound point is carried out under 1200W power
15min is dissipated, 70-80 DEG C is warming up to, with 300r/min 5-6 hours obtained nano silicon nucleocapsid grains of speed stirring reaction
Son；
（4）Weigh a certain amount of Magnesium dichloride hexahydrate, zinc chloride, Aluminium chloride hexahydrate to be dissolved in deionized water, stirring is obtained
Even mixing salt solution, then weigh a certain amount of sodium hydroxide and sodium carbonate is dissolved in deionized water, stirring obtains mixed ammonium/alkali solutions,
Two kinds of mixed solutions are controlled to add nucleation in rotating liquid-film reactor simultaneously with 1 drop/s speed, and forced circulation 2min is obtained
White nucleation slurries；
（5）By step（4）Obtained white nucleation slurries were centrifuged, washing in crystallization under reflux temperature 6 hours, obtained zinc
Magnalium hydrotalcite wet cake；
（6）By step（5）Zinc-magnesium aluminum hydrotalcite wet cake ultrasonic disperse in water, 2h is stirred at 90 DEG C, it is then slow plus
Enter step（3）Nano silicon core-shell particles, adjust pH=4 with dilute nitric acid solution, reaction are finally stirred at reflux at 100 DEG C
12 h, stand natural cooling, and suction filtration, washing to neutrality is dried for 60 DEG C and discharged.
2. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that the step（1）The mass fraction of nano silicon is 25- in middle suspension
30%。
3. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that step（2）Described in silane coupler be KH570, addition is nano-silica
The 3-5% of SiClx consumption, described bleeding agent is AEO, and addition is the 0.6- of nano silicon consumption
0.9%。
4. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that the step（3）The nucleocapsid of middle nano silicon core-shell particles is than 30: 70；Institute
The polymer monomer stated includes monomer butyl acrylate (BA), methyl methacrylate (MMA) and glycidyl third
The mass ratio that ester (GMA), wherein GMA mass fractions are 1%, MMA and BA is 4: 6；Described assistant for emulsifying agent is hexadecane, is added
Dosage is the 10-13% of monomer total amount；Described initiator is azodiisobutyronitrile, and addition is the 0.5-0.8% of monomer total amount；
Described emulsifying agent SDS additions are the 6-8% of monomer total amount.
5. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that the step（4）Middle n（MgCl2·6H2O）∶n（ZnCl2）∶n（AlCl3·6H2O）
=1∶1∶1；Described sodium hydroxide and the mol ratio 2 of metal cation；Described sodium carbonate and the mol ratio of metal cation are
1。
6. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that the step（5）In zinc-magnesium aluminum hydrotalcite wet cake solid content be 23-
25%。
7. a kind of ternary zinc-magnesium aluminum hydrotalcite heat of nano silicon core-shell particles intercalation modifying according to claim 1
The preparation method of stabilizer, it is characterised in that the step（6）The addition of middle nano silicon core-shell particles is zinc-magnesium aluminium
The 3-4% of hydrotalcite wet cake consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596342.8A CN107245166A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596342.8A CN107245166A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107245166A true CN107245166A (en) | 2017-10-13 |
Family
ID=60015046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710596342.8A Pending CN107245166A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107245166A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373048A (en) * | 2019-07-06 | 2019-10-25 | 王志胜 | A kind of polymolecularity light stablizes the preparation method of titanium dioxide |
| CN112169803A (en) * | 2020-11-10 | 2021-01-05 | 林爱琴 | Porous carbon-loaded nano metal oxide for water treatment and preparation method thereof |
| CN113754420A (en) * | 2021-09-11 | 2021-12-07 | 刘浩 | Fire-resistant and wear-resistant ceramic tile and preparation method thereof |
| CN114534743A (en) * | 2022-03-07 | 2022-05-27 | 耒阳金悦科技发展有限公司 | Palladium catalyst for hydrogenation of 1, 4-butylene glycol and preparation process thereof |
| CN115246955A (en) * | 2021-04-28 | 2022-10-28 | 中国石油化工股份有限公司 | Acid absorbent with layered structure and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492548A (en) * | 2009-02-20 | 2009-07-29 | 中南大学 | Composite heat stabilizer for PVC, preparation and application thereof |
| CN104556083A (en) * | 2014-12-04 | 2015-04-29 | 常州大学 | Preparation method of poly nano silicon dioxide magnesium aluminum borate hydrotalcite |
| CN105085985A (en) * | 2015-07-31 | 2015-11-25 | 浙江华丰管业有限公司 | Preparing method for anion intercalation modified hydrotalcite, product and application in PVC hard products |
| CN105367954A (en) * | 2015-12-15 | 2016-03-02 | 常州大学 | PVC environment-friendly nanometer heat stabilizer and preparation method thereof |
| CN106633576A (en) * | 2016-11-16 | 2017-05-10 | 马鞍山杰创塑胶科技有限公司 | Hydrotalcite grafting modified polyvinyl chloride pipe with low-smoke flame-retardant property and preparation method thereof |
-
2017
- 2017-07-20 CN CN201710596342.8A patent/CN107245166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492548A (en) * | 2009-02-20 | 2009-07-29 | 中南大学 | Composite heat stabilizer for PVC, preparation and application thereof |
| CN104556083A (en) * | 2014-12-04 | 2015-04-29 | 常州大学 | Preparation method of poly nano silicon dioxide magnesium aluminum borate hydrotalcite |
| CN105085985A (en) * | 2015-07-31 | 2015-11-25 | 浙江华丰管业有限公司 | Preparing method for anion intercalation modified hydrotalcite, product and application in PVC hard products |
| CN105367954A (en) * | 2015-12-15 | 2016-03-02 | 常州大学 | PVC environment-friendly nanometer heat stabilizer and preparation method thereof |
| CN106633576A (en) * | 2016-11-16 | 2017-05-10 | 马鞍山杰创塑胶科技有限公司 | Hydrotalcite grafting modified polyvinyl chloride pipe with low-smoke flame-retardant property and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373048A (en) * | 2019-07-06 | 2019-10-25 | 王志胜 | A kind of polymolecularity light stablizes the preparation method of titanium dioxide |
| CN112169803A (en) * | 2020-11-10 | 2021-01-05 | 林爱琴 | Porous carbon-loaded nano metal oxide for water treatment and preparation method thereof |
| CN115246955A (en) * | 2021-04-28 | 2022-10-28 | 中国石油化工股份有限公司 | Acid absorbent with layered structure and preparation method and application thereof |
| CN115246955B (en) * | 2021-04-28 | 2024-02-13 | 中国石油化工股份有限公司 | Layered structure acid absorbent and preparation method and application thereof |
| CN113754420A (en) * | 2021-09-11 | 2021-12-07 | 刘浩 | Fire-resistant and wear-resistant ceramic tile and preparation method thereof |
| CN114534743A (en) * | 2022-03-07 | 2022-05-27 | 耒阳金悦科技发展有限公司 | Palladium catalyst for hydrogenation of 1, 4-butylene glycol and preparation process thereof |
| CN114534743B (en) * | 2022-03-07 | 2023-06-13 | 耒阳金悦科技发展有限公司 | Palladium catalyst for hydrogenation reaction of 1, 4-butylene glycol and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107245166A (en) | A kind of preparation method of the ternary zinc-magnesium aluminum hydrotalcite heat stabilizer of nano silicon core-shell particles intercalation modifying | |
| CN104861333A (en) | High impact resistance and high fluidity polyvinyl chloride cable material | |
| CN108912929B (en) | Preparation method of flame-retardant antibacterial water-based core-shell acrylate resin coating and paint | |
| KR101566073B1 (en) | Impact reinforce agent for PVC, a method for preparing the same, and a resin composition containing the same | |
| CN102532748B (en) | Processing modifier for polyvinyl chloride electrical casing | |
| CN108504041A (en) | A kind of epoxy resin/poly ion liquid composite material and preparation method | |
| CN106220889B (en) | A kind of phenyl-phosphonic acid zinc nucleator, preparation method, morphological control method and application | |
| CN106380735B (en) | High level draining lamination tubing and preparation method thereof | |
| KR20150118538A (en) | Chloroethylene nanocomposite composition and method for producing the same | |
| CN109836734A (en) | A kind of method of modifying of uvioresistant PVC composite material | |
| KR101056931B1 (en) | Acrylic copolymer for processing aid of vinyl chloride-based resin composition, method for preparing the same, and vinyl chloride-based resin composition comprising the same | |
| JP2019108534A (en) | Method for producing core-shell copolymer, core-shell copolymer and resin composition including the same | |
| CN108752515A (en) | A kind of high-strength polyvinyl chloride resin and preparation method thereof | |
| CN107216577A (en) | A kind of novel PVC liquid Ca-Zn composite heat stabilizer and preparation method for adding modified Nano carbon ball | |
| KR20190130507A (en) | Matrix copolymer, graft copolymer, and thermoplastic resin composition | |
| JP4202133B2 (en) | Acrylic impact reinforcement manufacturing method | |
| CN116622244A (en) | Rubber based on N, N' -di-sec-butyl-p-phenylenediamine and preparation method thereof | |
| WO2007036096A1 (en) | Plasticization modifying agent for polyvinyl chloride processing and preparation method and use thereof | |
| KR101620134B1 (en) | Graft copolymer using water-soluble comonomer and method of preparing the same and polyvinyl chloride resin composition comprising copolymer | |
| CN106279560B (en) | A kind of preparation method and application of calcium carbonate dispersant for PVC profile | |
| CN108276624A (en) | A kind of preparation that graphene adulterates anti-impact modifier and the application in PVC matrix | |
| CN107189267A (en) | A kind of preparation method of the mechanical sheath material of hard shock resistance | |
| CN107236225A (en) | A kind of preparation method for the flame-proof polyvinyl chloride that methylates | |
| KR101997521B1 (en) | Acrylic processing material, preparation method thereof and vinyl chloride resin composition comprising the same | |
| KR101115673B1 (en) | Fireproof acrylonitrile-butadiene-styrene copolymer resin |
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: 20171013 |