CN106146723A - One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof - Google Patents
One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof Download PDFInfo
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- CN106146723A CN106146723A CN201510165344.2A CN201510165344A CN106146723A CN 106146723 A CN106146723 A CN 106146723A CN 201510165344 A CN201510165344 A CN 201510165344A CN 106146723 A CN106146723 A CN 106146723A
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Abstract
The present invention relates to one and there is excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, comprising the steps: to carry out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；Compound emulsifying agent being dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare pre-emulsion；Initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause polymerization preparation seed emulsion；When seed emulsion starts to become indigo plant, add remaining pre-emulsion and initiator, after dripping off, continuing reaction, stop heating and stirring；Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.The inventive method is simple, easy to control, and the silicone acrylic emulsion of synthesis has the temperature-change resistance of excellence, weatherability, uvioresistant ability.
Description
Technical field
The present invention relates to the synthetic technology of a kind of organic coating preparation materials, particularly relate to one and there is excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof.
Background technology
Acrylic emulsion has the advantages such as good temperature-change resistance, weatherability, resistance to water, hardness, is a kind of high performance outer wall paint emulsion, is widely used in fields such as building and decorations.But the acrylic emulsion of technique synthesis at present, anti-uv-ray is the most weak, and extreme influence acrylic emulsion is prepared the combination property of coating, and the use cycle of serious curtailment exterior wall simulated tile coating, therefore improve synthesis technique, improve acrylic emulsion anti-uv-ray and be particularly important.
Summary of the invention
It is simple that the technical problem to be solved is to provide a kind of method, easy to control, and the silicone acrylic emulsion of synthesis has the temperature-change resistance of excellence, weatherability, the synthetic method of uvioresistant ability.
The technical scheme is that one has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, comprise the steps:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；
Compound emulsifying agent being dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare pre-emulsion；
Initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause polymerization preparation seed emulsion；
When seed emulsion starts to become indigo plant, add remaining pre-emulsion and initiator, after dripping off, continuing reaction, stop heating and stirring；
Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described compound emulsifying agent be dissolved in water and be divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare being implemented as follows of pre-emulsion step:
Compound emulsifying agent is dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part prepares pre-emulsion with 2 monohydroxy 1 propenyloxy group benzophenone mix monomers of 1～the acrylic acid of the butyl acrylate of the methyl methacrylate of 3%, 3～6%, 6～9%, 6～10%.
Further, described initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause being implemented as follows of polymerization preparation seed emulsion step:
By 30～50% initiator, 5～10% pre-emulsion be simultaneously introduced in four-hole boiling flask, controlling temperature is 70～80 DEG C, causes polymerization preparation seed emulsion.
Further, described start to become indigo plant when seed emulsion, adding remaining pre-emulsion and initiator, after dripping off, continuing reaction, stop being implemented as follows of heating and whipping step:
Question response carries out 1～2h, and seed emulsion starts to become indigo plant, add remaining 90～95% pre-emulsion and 50～70% initiator, 3～4h drip off after continue reaction 0.1～1h, stop heating and stirring 10～30min.
Further, described cooling also carries out rear Processing for removing, is down to room temperature, regulates pH value with ammonia, filters, discharging, obtains being implemented as follows of uvioresistant silicone acrylic emulsion step:
Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value 7～8 with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
The invention has the beneficial effects as follows: method is simple, easy to control, the silicone acrylic emulsion of synthesis has the temperature-change resistance of excellence, weatherability, uvioresistant ability.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with example, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, comprises the steps:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；
Compound emulsifying agent being dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare pre-emulsion；
Initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause polymerization preparation seed emulsion；
When seed emulsion starts to become indigo plant, add remaining pre-emulsion and initiator, after dripping off, continuing reaction, stop heating and stirring；
Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
Embodiment 1:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；Compound emulsifying agent is dissolved in water and is divided into two parts, portion be placed in four-hole boiling flask stir stand-by, another part with 1% methyl methacrylate, the butyl acrylate of 3%, the acrylic acid of 6%, the 2 monohydroxy 1 propenyloxy group benzophenone mix monomers of 6% prepare pre-emulsion；30% initiator, 5% pre-emulsion being simultaneously introduced in four-hole boiling flask, controlling temperature is 70 DEG C, causes polymerization preparation seed emulsion；Question response carries out 1h, and seed emulsion starts to become indigo plant, adds remaining 90% pre-emulsion and 50% initiator, and 3h continues reaction 0.1h after dripping off, and stops heating and stirring 10min；Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value 7 with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
Embodiment 2:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；Compound emulsifying agent is dissolved in water and is divided into two parts, portion be placed in four-hole boiling flask stir stand-by, another part with 2% methyl methacrylate, the butyl acrylate of 5%, the acrylic acid of 8%, the 2 monohydroxy 1 propenyloxy group benzophenone mix monomers of 8% prepare pre-emulsion；35% initiator, 6% pre-emulsion being simultaneously introduced in four-hole boiling flask, controlling temperature is 75 DEG C, causes polymerization preparation seed emulsion；Question response carries out 1.5h, and seed emulsion starts to become indigo plant, adds remaining 92% pre-emulsion and 60% initiator, and 3.5h continues reaction 0.6h after dripping off, and stops heating and stirring 20min；Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value 7.5 with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
Embodiment 3:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；Compound emulsifying agent is dissolved in water and is divided into two parts, portion be placed in four-hole boiling flask stir stand-by, another part with 3% methyl methacrylate, the butyl acrylate of 6%, the acrylic acid of 9%, the 2 monohydroxy 1 propenyloxy group benzophenone mix monomers of 10% prepare pre-emulsion；50% initiator, 10% pre-emulsion being simultaneously introduced in four-hole boiling flask, controlling temperature is 80 DEG C, causes polymerization preparation seed emulsion；Question response carries out 2h, and seed emulsion starts to become indigo plant, adds remaining 95% pre-emulsion and 70% initiator, and 4h continues reaction 1h after dripping off, and stops heating and stirring 30min；Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value 8 with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. one kind has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, it is characterised in that comprise the steps:
Carrying out polyreaction in four-hole boiling flask, whole device is with condensing tube, Dropping feeder, driven stirring rod and temperature automatically controlled water-bath；
Compound emulsifying agent being dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare pre-emulsion；
Initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause polymerization preparation seed emulsion；
When seed emulsion starts to become indigo plant, add remaining pre-emulsion and initiator, after dripping off, continuing reaction, stop heating and stirring；
Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
The most according to claim 1, one has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, it is characterized in that, described compound emulsifying agent be dissolved in water and be divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part and methyl methacrylate, butyl acrylate, acrylic acid, 2 monohydroxy 1 propenyloxy group benzophenone mix monomers prepare being implemented as follows of pre-emulsion step:
Compound emulsifying agent is dissolved in water and is divided into two parts, portion is placed in four-hole boiling flask and stirs stand-by, and another part prepares pre-emulsion with 2 monohydroxy 1 propenyloxy group benzophenone mix monomers of 1～the acrylic acid of the butyl acrylate of the methyl methacrylate of 3%, 3～6%, 6～9%, 6～10%.
The most according to claim 1, one has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, it is characterized in that, described initiator, pre-emulsion are simultaneously introduced in four-hole boiling flask, control temperature, cause and be polymerized being implemented as follows of preparation seed emulsion step:
By 30～50% initiator, 5～10% pre-emulsion be simultaneously introduced in four-hole boiling flask, controlling temperature is 70～80 DEG C, causes polymerization preparation seed emulsion.
The most according to claim 1, one has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, it is characterized in that, described when seed emulsion start become indigo plant, adding remaining pre-emulsion and initiator, continuing reaction after dripping off, stopping heating being implemented as follows with whipping step:
Question response carries out 1～2h, and seed emulsion starts to become indigo plant, add remaining 90～95% pre-emulsion and 50～70% initiator, 3～4h drip off after continue reaction 0.1～1h, stop heating and stirring 10～30min.
The most according to claim 1, one has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof, it is characterized in that, described cooling also carries out rear Processing for removing, it is down to room temperature, pH value is regulated with ammonia, filter, discharging, obtain being implemented as follows of uvioresistant silicone acrylic emulsion step:
Lower the temperature and carry out rear Processing for removing, being down to room temperature, regulating pH value 7～8 with ammonia, filtering, discharging, obtain uvioresistant silicone acrylic emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165344.2A CN106146723A (en) | 2015-04-09 | 2015-04-09 | One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165344.2A CN106146723A (en) | 2015-04-09 | 2015-04-09 | One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof |
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| CN106146723A true CN106146723A (en) | 2016-11-23 |
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| CN201510165344.2A Pending CN106146723A (en) | 2015-04-09 | 2015-04-09 | One has excellent temperature-change resistance, weatherability, anti-anti-ultraviolet silicone acrylic emulsion and synthetic method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116194539A (en) * | 2020-07-02 | 2023-05-30 | 贝洱工艺公司 | Stain resistant latex resin |
-
2015
- 2015-04-09 CN CN201510165344.2A patent/CN106146723A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116194539A (en) * | 2020-07-02 | 2023-05-30 | 贝洱工艺公司 | Stain resistant latex resin |
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