CN104371106A - Microencapsulated platinum catalyst and preparation method thereof - Google Patents
Microencapsulated platinum catalyst and preparation method thereof Download PDFInfo
- Publication number
- CN104371106A CN104371106A CN201410752787.7A CN201410752787A CN104371106A CN 104371106 A CN104371106 A CN 104371106A CN 201410752787 A CN201410752787 A CN 201410752787A CN 104371106 A CN104371106 A CN 104371106A
- Authority
- CN
- China
- Prior art keywords
- platinum catalyst
- parts
- micro encapsulation
- preparation
- thermoplastic resin
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a microencapsulated platinum catalyst and a preparation method thereof. The microencapsulated platinum catalyst comprises, by mass, 2-10 parts of liquid platinum catalyst, 15-25 parts of low-softening-point thermoplastic resin, 15-20 parts of polyvinyl alcohol, 300 parts of deionized water and 300-500 parts of petroleum ether, wherein the softening point of the low-softening-point thermoplastic resin is 60-80 DEG C, and the low-softening-point thermoplastic resin can be dissolved in the petroleum ester. The microencapsulated platinum catalyst has the advantages that the microencapsulated wall material of the catalyst is low in softening point and high in toughness, has no catalytic activity under room temperature, has fast catalytic activity when the temperature rises above 80 DEG C, and is applicable to the preparation of low-temperature-forming single-component addition type liquid silicone rubber.
Description
Technical field
The present invention relates to a class chemical reaction catalyst, particularly relate to platinum catalyst of a kind of micro encapsulation and preparation method thereof.
Background technology
Silicon rubber has the excellent properties such as good high-low temperature resistant, insulativity, weathering resistance and nonpoisonous and tasteless environmental protection because of it, has a wide range of applications in the every field of national economy.Current dual composition addition type liquid silastic is in the majority, but dual composition addition type liquid silastic is in mixing process, can cause bubble, and after two component mixing, has the operating time that one suitable under requiring room temperature.Overlong time, sulfuration is too slow, certainly will reduce production efficiency; And the time is too short, construction is nervous, also may cause sizing material gel.Therefore a kind of platinum catalyst being applicable to single component add-on type liquid silicon rubber microcapsule structure is developed imperative.The platinum catalyst of this micro encapsulation at room temperature or under lesser temps, because platinum is isolated, does not have katalysis, when temperature rises to after higher than resin softening point, discharges platinum catalyst, thus catalytic addition reaction, be cross-linked into elastomerics.But after rising to certain temperature, then again can comparatively fast or very fast cure.
Along with the development of silicon rubber, also get more and more for tricot, cotton goods, the decorative pattern of Lycra elastic woven material and the silica gel of mark, the mold temperature of these product needed is lower again, usually below 100 degree, therefore the wall material of the platinum catalyst of micro encapsulation is just needed to possess low softening point temperature, when temperature rises to 100 degree, platinum can flow out soon, plays the effect of catalysis.Have patent Introduction polystyrene, polymethylmethacrylate, phenyl polysiloxane to do wall material, but also have its drawback, polystyrene softening temperature is too high, and when being raised to certain temperature, platinum catalyst can not flow out smoothly rapidly; And polymethylmethacrylate, phenyl polysiloxane are extremely crisp, in whipping process, be easy to broken shell, cause platinum catalyst to flow out prematurely, do not have buffer action.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, platinum catalyst of a kind of micro encapsulation and preparation method thereof is carried in the present invention, the platinum catalyst of described micro encapsulation, the softening temperature of its microcapsule wall material is low, toughness is large, be applicable to the preparation of low temperature moulding single-component add-on type liquid silicon rubber, be intended to the too high or not enough problem causing platinum catalyst in time not flow out of toughness of the wall material softening temperature of the platinum catalyst solving existing microcapsule.
Technical scheme of the present invention is as follows:
A platinum catalyst for micro encapsulation, wherein, its raw material forms, and according to massfraction meter, comprises following component:
The softening temperature of described low softening point thermoplastic resin is 60 ~ 80 degree, and can be dissolved in sherwood oil.
The platinum catalyst of described micro encapsulation, wherein, the platinum content of described liquid platinum catalyst is at 1000 ~ 8000ppm.
The platinum catalyst of described micro encapsulation, wherein, the boiling range of described sherwood oil is 30 ~ 60 degree.
The platinum catalyst of described micro encapsulation, wherein, described low softening point thermoplastic resin is polycaprolactone.
The platinum catalyst of described micro encapsulation, wherein, its raw material forms, and according to massfraction meter, also comprises following component:
Methyl alcohol 100 parts;
Octamethylcyclotetrasiloxane 2000 parts.
A preparation method for the platinum catalyst of micro encapsulation as above, wherein, comprises the following steps:
By polyvinyl alcohol dissolution in deionized water, obtain the aqueous solution being dissolved with polyvinyl alcohol;
Low softening point thermoplastic resin, liquid platinum catalyst are dissolved in sherwood oil, obtain the petroleum ether solution being dissolved with liquid platinum catalyst, softening temperature thermoplastic resin;
At the uniform velocity drip petroleum ether solution on one side in aqueous while stir the aqueous solution; After dropwising, pass into nitrogen 40 ~ 48h, centrifugally carry out Solid-Liquid Separation, by methanol wash, suction filtration solid phase, obtain the solid phase of micro encapsulation; With octamethylcyclotetrasiloxane washing, the platinum catalyst wash clean on surface of microcapsule.
The platinum content of described liquid platinum catalyst is at 1000 ~ 8000ppm; The boiling range of described sherwood oil is 30 ~ 60 degree; Described low softening point thermoplastic resin is polycaprolactone.
The preparation method of the platinum catalyst of described micro encapsulation, wherein, according to massfraction meter, the consumption of described methyl alcohol is 100 parts, and the consumption of described octamethylcyclotetrasiloxane is 2000 parts.
The preparation method of the platinum catalyst of described micro encapsulation, wherein, by the process of octamethylcyclotetrasiloxane washing is:
First wash 1 time, suction filtration with octamethylcyclotetrasiloxane, then wash 3 times with octamethylcyclotetrasiloxane.
Beneficial effect: platinum catalyst of micro encapsulation provided by the present invention and preparation method thereof, the platinum catalyst of described micro encapsulation, the softening temperature of its microcapsule wall material is low, toughness is large, at room temperature there is no catalytic activity, when temperature is raised to more than 80 degree, there is very fast catalytic activity, the preparation of low temperature moulding single-component add-on type liquid silicon rubber can be used for.
Accompanying drawing explanation
Fig. 1 is the electron-microscope scanning figure of the platinum catalyst of micro encapsulation in the embodiment of the present invention 1.
Fig. 2 is the electron-microscope scanning figure of the platinum catalyst of micro encapsulation in the embodiment of the present invention 2.
Embodiment
The invention provides platinum catalyst of a kind of micro encapsulation and preparation method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Platinum catalyst of a kind of micro encapsulation provided by the present invention and preparation method thereof, the platinum catalyst of described micro encapsulation, the softening temperature of its microcapsule wall material is low, toughness large, can be used in the catalyzed reaction of low temperature moulding Single-component addition-type silicone rubber.
Particularly, the raw material composition of the platinum catalyst of described micro encapsulation, according to massfraction meter, comprises following component:
Wherein, the platinum content of described liquid platinum catalyst can be 1000 ~ 8000ppm.
The softening temperature of described low softening point thermoplastic resin is 60 ~ 80 degree, and can be dissolved in sherwood oil.As polycaprolactone, its softening temperature 60 degree, preparation-obtained microcapsule wall material softening temperature will be lower.
The alcoholysis degree of described polyvinyl alcohol is 87-89%.
The boiling range of described sherwood oil is 30 ~ 60 degree.
The raw material composition of the platinum catalyst of described micro encapsulation, according to massfraction meter, can also comprise following component:
Methyl alcohol 100 parts;
Octamethylcyclotetrasiloxane 2000 parts.
The effect of described methyl alcohol and octamethylcyclotetrasiloxane is washing finished product.
The preparation method of the platinum catalyst of described micro encapsulation is also provided in the present invention, specifically comprises the following steps:
In proportion polyvinyl alcohol is joined to be equipped with in deionized water and dissolve in beaker, obtain the aqueous solution being dissolved with polyvinyl alcohol; Low softening point thermoplastic resin, liquid platinum catalyst are dissolved in sherwood oil, obtain the petroleum ether solution being dissolved with liquid platinum catalyst, softening temperature thermoplastic resin; The aqueous solution is transferred to be equipped with in the there-necked flask of stirring rake, and petroleum ether solution is transferred in dropping funnel, slowly drops in there-necked flask, drip while agitation and dropping is complete, pass into nitrogen, after continuing stirring 40 ~ 48h, centrifugal, with methanol wash, suction filtration; Finally with octamethylcyclotetrasiloxane washing 4 ~ 5 times, the platinum catalyst wash clean on surface of microcapsule, the platinum catalyst of low temperature add-on type liquid silicon rubber microcapsule structure.
The platinum catalyst of the micro encapsulation adopting the method for the invention to prepare, median size is 2 microns, does not have catalytic activity under room temperature, when temperature is raised to more than 80 degree, there is very fast catalytic activity, the preparation of low temperature moulding single-component add-on type liquid silicon rubber can be used for.
Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.
Embodiment 1
First by the polyvinyl alcohol dissolution of 15 parts in the beaker that 300 parts of deionized waters are housed, then 18 parts of polycaprolactones, 5 parts are dissolved in 300 parts of sherwood oils containing 2800ppm liquid platinum catalyst, the polyvinyl alcohol water solution dissolved is transferred to stirring rake is housed, pass in the 2L there-necked flask of nitrogen mouth, then being dissolved with liquid platinum catalyst, the petroleum ether solution of softening temperature thermoplastic resin is transferred in dropping funnel, slowly drop in there-necked flask, drip while stir, dropwise, after passing into air 48h, centrifugal, by 100 parts of methanol wash, suction filtration, finally wash 1 time with 500 parts of octamethylcyclotetrasiloxanes, suction filtration, and then add 1500 parts of octamethylcyclotetrasiloxanes and wash 3 times, the platinum catalyst wash clean on surface of microcapsule, suction filtration the platinum catalyst of described micro encapsulation.
Through detecting, in the platinum catalyst of described micro encapsulation, platinum content is 700ppm.Fig. 1 is the electron-microscope scanning figure of the platinum catalyst of micro encapsulation described in the present embodiment 1, and as shown in Figure 1, the median size of the platinum catalyst of described micro encapsulation is 2 microns.
Get this catalyzer 1.5 parts, 1.5 parts of hydrogen richness massfractions are 0.4 silicon hydrogen linking agent, 100 parts of base glue, and base glue is by 30 parts of silicon powders, 70 parts of vinyl silicone oils, obtain after silane coupling agent 150 DEG C of thermal treatment 4h, stir and be prepared into liquid silicone composition.
Table 1 is said composition viscosity B coefficent
Table 2 is said composition vulcanization curve data at different temperatures
From the results shown in Table 1, in batch mixing whipping process, under room temperature, the viscosity of composition does not have much changes, just illustrates that microcapsule do not have broken shell, show that the present embodiment preparation-obtained platinum catalyst toughness is large yet.Result as can be seen from table 2, when temperature is raised to more than 80 degree, has very fast catalytic activity, shows that the wall material softening temperature of the preparation-obtained platinum catalyst of the present embodiment is low.
Embodiment 2
First by the polyvinyl alcohol dissolution of 18 parts in the beaker that 300 parts of deionized waters are housed, then 15 parts of polycaprolactones, 4.5 parts are dissolved in 400 parts of sherwood oils containing 4000ppm liquid platinum catalyst, the polyvinyl alcohol water solution dissolved is transferred to stirring rake is housed, pass in the 2L there-necked flask of nitrogen mouth, then being dissolved with liquid platinum catalyst, the petroleum ether solution of softening temperature thermoplastic resin is transferred in dropping funnel, slowly drop in there-necked flask, drip while stir, dropwise, after passing into air 48h, centrifugal, by 100 parts of methanol wash, suction filtration, finally wash 1 time with 500 parts of octamethylcyclotetrasiloxanes, suction filtration, and then add 1500 parts of octamethylcyclotetrasiloxanes and wash 3 times, the platinum catalyst wash clean on surface of microcapsule, suction filtration the platinum catalyst of described micro encapsulation.
Through detecting, in the platinum catalyst of described micro encapsulation, platinum content is 1100ppm.As shown in Figure 2, the median size of the platinum catalyst of described micro encapsulation is 2 microns.
Get this catalyzer 1.5 parts, 1.5 parts of hydrogen richness massfractions are 0.4 silicon hydrogen linking agent, 100 parts of base glue, and base glue is by 30 parts of silicon powders, 70 parts of vinyl silicone oils, obtain after silane coupling agent 150 DEG C of thermal treatment 4h, stir and be prepared into liquid silicone composition.
Table 3 is said composition viscosity B coefficent
Table 4 is said composition vulcanization curve data at different temperatures
In batch mixing whipping process, under room temperature, the viscosity of composition does not have much changes, just illustrates that microcapsule do not have broken shell, show that the present embodiment preparation-obtained platinum catalyst toughness is large yet.When composition temperature is raised to more than 80 degree, there is very fast catalytic activity, show that the wall material softening temperature of the preparation-obtained platinum catalyst of the present embodiment is low.
Embodiment 3
First by the polyvinyl alcohol dissolution of 18 parts in the beaker that 300 parts of deionized waters are housed, then 25 parts of polycaprolactones, 9.5 parts are dissolved in 400 parts of sherwood oils containing 8000ppm liquid platinum catalyst, the polyvinyl alcohol water solution dissolved is transferred to stirring rake is housed, pass in the 2L there-necked flask of nitrogen mouth, then being dissolved with liquid platinum catalyst, the petroleum ether solution of softening temperature thermoplastic resin is transferred in dropping funnel, slowly drop in there-necked flask, drip while stir, dropwise, after passing into air 48h, centrifugal, by 100 parts of methanol wash, suction filtration, finally wash 1 time with 500 parts of octamethylcyclotetrasiloxanes, suction filtration, and then add 1500 parts of octamethylcyclotetrasiloxanes and wash 3 times, the platinum catalyst wash clean on surface of microcapsule, suction filtration the platinum catalyst of described micro encapsulation.
Get this catalyzer 1.5 parts, 1.5 parts of hydrogen richness massfractions are 0.4 silicon hydrogen linking agent, 100 parts of base glue, and base glue is by 30 parts of silicon powders, 70 parts of vinyl silicone oils, obtain after silane coupling agent 150 DEG C of thermal treatment 4h, stir and be prepared into liquid silicone composition.
Table 5 is said composition viscosity B coefficent
Table 6 is said composition vulcanization curve data at different temperatures
In batch mixing whipping process, under room temperature, the viscosity of composition does not have much changes, just illustrates that microcapsule do not have broken shell, show that the present embodiment preparation-obtained platinum catalyst toughness is large yet.When composition temperature is raised to more than 80 degree, there is very fast catalytic activity, show that the wall material softening temperature of the preparation-obtained platinum catalyst of the present embodiment is low.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. a platinum catalyst for micro encapsulation, is characterized in that, its raw material forms, and according to massfraction meter, comprises following component:
The softening temperature of described low softening point thermoplastic resin is 60 ~ 80 degree, and can be dissolved in sherwood oil.
2. the platinum catalyst of micro encapsulation according to claim 1, is characterized in that, the platinum content of described liquid platinum catalyst is at 1000 ~ 8000ppm.
3. the platinum catalyst of micro encapsulation according to claim 1, is characterized in that, the boiling range of described sherwood oil is 30 ~ 60 degree.
4. the platinum catalyst of micro encapsulation according to claim 1, is characterized in that, described low softening point thermoplastic resin is polycaprolactone.
5. the platinum catalyst of micro encapsulation according to claim 1, is characterized in that, its raw material forms, and according to massfraction meter, also comprises following component:
Methyl alcohol 100 parts;
Octamethylcyclotetrasiloxane 2000 parts.
6. a preparation method for the platinum catalyst of micro encapsulation as claimed in claim 1, is characterized in that, comprises the following steps:
By polyvinyl alcohol dissolution in deionized water, obtain the aqueous solution being dissolved with polyvinyl alcohol;
Low softening point thermoplastic resin, liquid platinum catalyst are dissolved in sherwood oil, obtain the petroleum ether solution being dissolved with liquid platinum catalyst, softening temperature thermoplastic resin;
At the uniform velocity drip petroleum ether solution on one side in aqueous while stir the aqueous solution; After dropwising, pass into nitrogen and continue stirring 40 ~ 48h, centrifugally carry out Solid-Liquid Separation, by methanol wash, suction filtration solid phase, obtain the solid phase of micro encapsulation; With octamethylcyclotetrasiloxane washing, the platinum catalyst wash clean on surface of microcapsule.
7. the preparation method of the platinum catalyst of micro encapsulation according to claim 6, is characterized in that, the platinum content of described liquid platinum catalyst is at 1000 ~ 8000ppm; The boiling range of described sherwood oil is 30 ~ 60 degree; Described low softening point thermoplastic resin is polycaprolactone.
8. the preparation method of the platinum catalyst of micro encapsulation according to claim 6, is characterized in that, according to massfraction meter, the consumption of described methyl alcohol is 100 parts, and the consumption of described octamethylcyclotetrasiloxane is 2000 parts.
9. the preparation method of the platinum catalyst of micro encapsulation according to claim 6, is characterized in that, by the process of octamethylcyclotetrasiloxane washing is:
First wash 1 time, suction filtration with octamethylcyclotetrasiloxane, then wash 3 times with octamethylcyclotetrasiloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752787.7A CN104371106A (en) | 2014-12-10 | 2014-12-10 | Microencapsulated platinum catalyst and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752787.7A CN104371106A (en) | 2014-12-10 | 2014-12-10 | Microencapsulated platinum catalyst and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104371106A true CN104371106A (en) | 2015-02-25 |
Family
ID=52550317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410752787.7A Pending CN104371106A (en) | 2014-12-10 | 2014-12-10 | Microencapsulated platinum catalyst and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104371106A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090575A1 (en) * | 2014-12-10 | 2016-06-16 | 深圳市森日有机硅材料有限公司 | Microencapsulated platinum metal catalyst and preparation method therefor |
| CN106118540A (en) * | 2016-07-21 | 2016-11-16 | 东莞市雷兹盾电子材料有限公司 | The single-component conductive glue of soft and preparation, using method |
| CN108752608A (en) * | 2018-04-26 | 2018-11-06 | 东莞市博恩复合材料有限公司 | Addition-type silicon rubber catalyst of low-temperature setting and preparation method thereof |
| CN110229648A (en) * | 2019-06-05 | 2019-09-13 | 苏州晶银新材料股份有限公司 | A kind of mono-component organic silicone conducting resinl and its preparation method and application |
| CN110903653A (en) * | 2018-09-14 | 2020-03-24 | 浙江清华柔性电子技术研究院 | Silicone rubber composition, silicone rubber and preparation method thereof |
| CN113773793A (en) * | 2021-09-27 | 2021-12-10 | 矽时代材料科技股份有限公司 | Heat-conducting and electric-conducting silver adhesive and preparation method and application thereof |
| CN114591505A (en) * | 2022-01-26 | 2022-06-07 | 青岛科技大学 | Preparation method of catalyst for single-component addition type silicone rubber |
| CN114891441A (en) * | 2021-04-19 | 2022-08-12 | 浙江鑫钰新材料有限公司 | Phenyl organosilicon leather coating and preparation method thereof |
| CN115558298A (en) * | 2022-09-30 | 2023-01-03 | 浙江佳华精化股份有限公司 | Efficient platinum catalyst master batch and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874667A (en) * | 1987-07-20 | 1989-10-17 | Dow Corning Corporation | Microencapsulated platinum-group metals and compounds thereof |
| US5254656A (en) * | 1992-08-31 | 1993-10-19 | Dow Corning Corporation | Curable organosiloxane compositions containing organotitanate/microencapsulated platinum co-catalysts |
-
2014
- 2014-12-10 CN CN201410752787.7A patent/CN104371106A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874667A (en) * | 1987-07-20 | 1989-10-17 | Dow Corning Corporation | Microencapsulated platinum-group metals and compounds thereof |
| US5254656A (en) * | 1992-08-31 | 1993-10-19 | Dow Corning Corporation | Curable organosiloxane compositions containing organotitanate/microencapsulated platinum co-catalysts |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090575A1 (en) * | 2014-12-10 | 2016-06-16 | 深圳市森日有机硅材料有限公司 | Microencapsulated platinum metal catalyst and preparation method therefor |
| CN106118540A (en) * | 2016-07-21 | 2016-11-16 | 东莞市雷兹盾电子材料有限公司 | The single-component conductive glue of soft and preparation, using method |
| CN106118540B (en) * | 2016-07-21 | 2018-07-03 | 东莞市雷兹盾电子材料有限公司 | The single-component conductive glue of soft and its preparation, application method |
| US10106709B2 (en) | 2016-07-21 | 2018-10-23 | Dongguan Nystein Electronic Materials Co., Ltd. | Single-component low hardness conductive adhesive and methods of manufacture and use thereof |
| CN108752608A (en) * | 2018-04-26 | 2018-11-06 | 东莞市博恩复合材料有限公司 | Addition-type silicon rubber catalyst of low-temperature setting and preparation method thereof |
| CN108752608B (en) * | 2018-04-26 | 2021-08-24 | 东莞市博恩复合材料有限公司 | Catalyst for low-temperature cured addition type silicone rubber and preparation method thereof |
| CN110903653A (en) * | 2018-09-14 | 2020-03-24 | 浙江清华柔性电子技术研究院 | Silicone rubber composition, silicone rubber and preparation method thereof |
| CN110229648A (en) * | 2019-06-05 | 2019-09-13 | 苏州晶银新材料股份有限公司 | A kind of mono-component organic silicone conducting resinl and its preparation method and application |
| CN110229648B (en) * | 2019-06-05 | 2021-12-24 | 苏州晶银新材料股份有限公司 | Single-component organic silicon conductive adhesive and preparation method and application thereof |
| CN114891441A (en) * | 2021-04-19 | 2022-08-12 | 浙江鑫钰新材料有限公司 | Phenyl organosilicon leather coating and preparation method thereof |
| CN113773793A (en) * | 2021-09-27 | 2021-12-10 | 矽时代材料科技股份有限公司 | Heat-conducting and electric-conducting silver adhesive and preparation method and application thereof |
| CN113773793B (en) * | 2021-09-27 | 2022-12-09 | 矽时代材料科技股份有限公司 | Heat-conducting and electric-conducting silver adhesive and preparation method and application thereof |
| CN114591505A (en) * | 2022-01-26 | 2022-06-07 | 青岛科技大学 | Preparation method of catalyst for single-component addition type silicone rubber |
| CN114591505B (en) * | 2022-01-26 | 2024-01-26 | 青岛科技大学 | Preparation method of catalyst for single-component addition type silicone rubber |
| CN115558298A (en) * | 2022-09-30 | 2023-01-03 | 浙江佳华精化股份有限公司 | Efficient platinum catalyst master batch and preparation method thereof |
| CN115558298B (en) * | 2022-09-30 | 2023-06-30 | 浙江佳华精化股份有限公司 | High-efficiency platinum catalyst master batch and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104371106A (en) | Microencapsulated platinum catalyst and preparation method thereof | |
| CN103102865B (en) | Silane coupling agent for bonding addition type silicon rubber and leather material | |
| CN107523257A (en) | A kind of cold curing demulsification acetoacetic ester type silicone sealant | |
| CN104069891B (en) | The preparation method of the immobilized HP catalyst of a kind of polymer microballoon | |
| CN103087320B (en) | Preparation method of hydroxyl-terminated polymethylphenyl silicone oil | |
| CN104003847B (en) | A kind of directional synthesis method of 2,5 di tert butyl hydroquinone | |
| CN104324749A (en) | POSS (Polyhedral Oligomeric Silsesquioxanes)-based basic ionic liquid catalyst for synthesizing glycerol carbonate and preparation method of POSS-based basic ionic liquid catalyst | |
| CN106432728B (en) | A kind of pheiiyldimetliyl siloxy cage-type silsesquioxane silicone rubber crosslinking agent and preparation method thereof | |
| CN103396306A (en) | Cardanol Gemini polyoxyethylene ether carboxylate and preparation method thereof | |
| CN104437453B (en) | A kind of platinum/carbon aerogel catalyst and its production and use | |
| CN103449979A (en) | Bisphenol epoxy resin and preparation method thereof | |
| CN103396284A (en) | Hydrophobic monomer for synthesizing temperature sensitive polymer oil-displacing agent and preparation method thereof | |
| CN101781465B (en) | Method for preparing room-temperature fast-curing addition organic silicon rubber | |
| CN103057004A (en) | Tire release agent | |
| CN102500301B (en) | Preparation method and product of polymer microsphere with core-shell structure and hollow structure | |
| CN106928476B (en) | A kind of preparation method of the silicon rubber microballoon for light diffusing agent | |
| CN103755849B (en) | A kind of preparation method of CNT-polysilane-organic polymer composite | |
| CN103655210B (en) | Be applied to and sting jaw record room temperature addition-type silicon rubber impression material | |
| CN103304818B (en) | A kind of preparation method of methyl phenyl silicone oil | |
| TWI557201B (en) | Low-temperature hardening coating composition and hardened articles | |
| CN103408758B (en) | A kind of preparation method of ethyl phenyl silicone oil | |
| Chen et al. | Magnetically-separable quasi-homogeneous catalyst: Brush-type ionic liquid polymer coated magnetic polymer microspheres for tandem reactions to produce 4H-pyrans/biodiesel | |
| CN101555313B (en) | Ethylene rhodanate/epoxide resin microballoon and preparation method thereof | |
| CN105885815B (en) | A method of preparing Gemini surface active agent | |
| CN106750310A (en) | A kind of preparation technology of dimethicone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Longgang District of Shenzhen City, Guangdong province 518000 Ping Street in the community square Po Village building I No. 1, C building Applicant after: Shenzhen Square Silicone Co., Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518000 Ping Street in the community sifangpu Village No. 1, C building, I Applicant before: Shenzhen Square Silicone Materials Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150225 |