CN103897654B - A kind of ketoxime removing type silicone sealant continuous production processes - Google Patents
A kind of ketoxime removing type silicone sealant continuous production processes Download PDFInfo
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- CN103897654B CN103897654B CN201210582988.8A CN201210582988A CN103897654B CN 103897654 B CN103897654 B CN 103897654B CN 201210582988 A CN201210582988 A CN 201210582988A CN 103897654 B CN103897654 B CN 103897654B
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Abstract
The invention provides a kind of ketoxime removing type silicone sealant continuous production processes, comprise the steps: the first step, the synthesis of RTV Methyl Silicone Rubber; Second step, base-material is produced; 3rd step, joins glue operation; 4th step, packing; Original batch production technical process is improved to four steps of carrying out continuously by the present invention, is convenient to carry out control adjustment to the links in production process, and controllability is strong; Especially accurate control is accomplished to various feed composition consumption and reaction conditions, ensure that the smoothness of production technique is carried out, and then guarantee quality product; By the airtight continuous prodution of whole process, the raising of the stable and storge quality of strong guarantee product appearance quality, enhances productivity, reduces shop floor worker, reduce production cost.
Description
Technical field
The present invention relates to a kind of silicone sealant production technique, be specifically related to a kind of continuous production processes of ketoxime removing type silicone sealant.
Background technology
Along with the fast development of China's architectural decoration, door and window bonding, glass curtain wall, metal plate curtain wall, the decoration such as stone curtain wall is widely adopted, and silicone sealant is the crucial supplementary material of all kinds of curtain wall and decoration, and its Main Function is structural bonding, sealing.
The existing domestic enterprise mode of production is batch production, several operations such as base-material, shredder grinding, glue planetary mixer stirring glue are produced successively in RTV Methyl Silicone Rubber production process, kneader, finally, the batch production method of packing is carried out.Be connected tight between every procedure of this batch production method, and, often produce a collection of product (about 1 ton) during glue, will bar and clear cylinder be once clearly; In addition, the subject matter that batch production exists is:
1. visual appearance is difficult to control;
2. production loss is large, and the waste of clear bar and clear cylinder is big for environment pollution;
3. the poor controllability of metering;
4. need direct labor many, labour intensity is large.
Summary of the invention
For the deficiency that prior art exists, the technical issues that need to address of the present invention are, a kind of ketoxime removing type silicone sealant continuous production processes is provided, by the airtight continuous prodution of whole process, the raising of the stable and storge quality of strong guarantee product appearance quality, enhance productivity, reduce shop floor worker, reduce production cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is, a kind of ketoxime removing type silicone sealant continuous production processes, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 90-105 DEG C, and the reaction times is 1.8-2.2 hour; Starting time 1.8-2.2 hour; Add acid catalyst phosphoric acid again, the reaction times is 1.5-1.8 hour; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, reaction times 4.5-5 hour, temperature of reaction is 180-190 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.3-0.5, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.5-0.9;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, temperature 115-135 DEG C, under the condition of vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oil 5-8 parts, nm-class active calcium carbonate 30-42 part;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.6-0.85Mpa; Pigment pumping pressure is set to 3.5-5Mpa; Base-material pumping pressure is set to 13-16Mpa; Discharging accumulator is set to 0.5-0.7Mp without pressure during material; The pressure of pigment swager binder is set to 0.7-1Mpa; The pressure of base-material swager is set to 0.8-1.2Mpa; Catalyzer, tackifier charging pump pressure are set to 0.3-0.4MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 3.5-9.5 part, vinyl tributyl ketoximyl silane 0.8-6 part, γ-aminopropyl triethoxysilane 1-3.5 part, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 2-4.5 part, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5-1.5 part, dibutyl tin laurate 0.1-0.25 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
Above-mentioned a kind of ketoxime removing type silicone sealant continuous production processes, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 95 DEG C, and the reaction times is 2 hours; Starting time 2 hours; Add acid catalyst phosphoric acid again, the reaction times is 1.6 hours; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, in 4.5 hours reaction times, temperature of reaction is 185 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.4, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.7;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, under the condition of temperature 125 DEG C, vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oils 6 parts, nm-class active calcium carbonate 36 parts;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.75Mpa; Pigment pumping pressure is set to 4Mpa; Base-material pumping pressure is set to 14.5Mpa; Discharging accumulator is set to 0.6Mp without pressure during material; The pressure of pigment swager binder is set to 0.85Mpa; The pressure of base-material swager is set to 1.0Mpa; Catalyzer, tackifier charging pump pressure are set to 0.35MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 6.5 parts, vinyl tributyl ketoximyl silane 3.4 parts, γ-aminopropyl triethoxysilane 2 parts, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 3.5 parts, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 1.0 parts, dibutyl tin laurate 0.15 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
Tool of the present invention has the following advantages and Advantageous Effects:
(1) original batch production technical process is improved to four steps of carrying out continuously by the present invention, is convenient to carry out control adjustment to the links in production process, and controllability is strong; Especially accurate control is accomplished to various feed composition consumption and reaction conditions, ensure that the smoothness of production technique is carried out, and then guarantee quality product;
(2) formula of the present invention to ketoxime removing type silicone sealant adjusts, adopted through the formula of screening and optimizing by each step to adapt to continuous prodution, the product performance produced are more excellent, have good preservation stability and superior integrated performance index.
(3) the present invention is on catalyst system, is controlled temperature of reaction, realizes continuous prodution, effectively avoid the appearance of reacting incomplete phenomenon, and the package stability of product is also improved significantly.
(4) because ketoxime removing type silicone sealant is for meeting wet-cured type tackiness agent, outward appearance and stability in storage are subject to the moisture effects in starting material and air larger, inevitable ingress of air when namely the maximum shortcoming of batch production is reinforced, the present invention joins combinationally using of gluing equipment by twin screw extruder and static mixing, realize by the total closed type continuous prodution of starting material to finished product, effectively completely cut off air, made the outward appearance of ketoxime removing type glue and performance be obtained for larger lifting;
(5) production technique of the present invention adopts total closed type continuous prodution effectively to reduce the unpleasant odor of work area volatility of raw material generation, is conducive to the healthy of protection operator, improves production environment, energy-conserving and environment-protective.
Embodiment
embodiment 1
A kind of ketoxime removing type silicone sealant continuous production processes, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 95 DEG C, and the reaction times is 2 hours; Starting time 2 hours; Add acid catalyst phosphoric acid again, the reaction times is 1.6 hours; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, in 4.5 hours reaction times, temperature of reaction is 185 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.4, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.7;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, under the condition of temperature 125 DEG C, vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oils 6 parts, nm-class active calcium carbonate 36 parts;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.75Mpa; Pigment pumping pressure is set to 4Mpa; Base-material pumping pressure is set to 14.5Mpa; Discharging accumulator is set to 0.6Mp without pressure during material; The pressure of pigment swager binder is set to 0.85Mpa; The pressure of base-material swager is set to 1.0Mpa; Catalyzer, tackifier charging pump pressure are set to 0.35MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 6.5 parts, vinyl tributyl ketoximyl silane 3.4 parts, γ-aminopropyl triethoxysilane 2 parts, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 3.5 parts, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 1.0 parts, dibutyl tin laurate 0.15 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
The ketoxime removing type silicone sealant continuous production processes of the present embodiment, productive capacity is as follows:
1, production efficiency, by original every platform 2000L kneader place wall scroll production line daily making 4 tons, bring up to wall scroll production line daily making and reach 24 tons, namely the production efficiency of more original batch production technique improves 6 times.
2, material loss, produce because continuous automatic production process have employed closed, raw material drops into farthest can be converted into output, can 99% be reached to Finished product processThe Raw utilization ratio from raw material, the more original batch production technique of material loss reduces by 1.5%, calculate according to annual output 30000 tons of products, more than 450 ton starting material can be saved.
3, extra charge, use continuous automatic production comparatively batch production minimizing operator quantity 50%, electricity consumption of equipment reduces, and on average monthly saves current consumption 15%.
4, Measuring Precision, in the production process of the present embodiment, main raw material Measuring Precision is: 0.01, and auxiliary agent Measuring Precision is: 0.001 figure place, and batch production Measuring Precision is only integer-bit, significantly improves than batch production Measuring Precision.
5, quality product, the product of production same recipe, adopts this technological operation than batch production technological operation, and product integrated performance index improves 20%, and product performance index sees the following form 1.
Table 1 product performance index contrasts
| Tensile strength/MPa | Elongation/% | |
| The product of batch production | 0.968 | 260.356 |
| The product that the present embodiment is produced | 1.1616 | 312.489 |
As can be seen from Table 1, the present embodiment produce product tensile strength and extensibility significantly improve.
embodiment 2
A kind of ketoxime removing type silicone sealant continuous automatic production process, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 90 DEG C, and the reaction times is 2.2 hours; Starting time 1.8 hours; Add acid catalyst phosphoric acid again, the reaction times is 1.5 hours; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, in 4.5 hours reaction times, temperature of reaction is 190 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.3, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.5;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, under the condition of temperature 115 DEG C, vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oils 5 parts, nm-class active calcium carbonate 30 parts;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.6Mpa; Pigment pumping pressure is set to 3.5Mpa; Base-material pumping pressure is set to 13Mpa; Discharging accumulator is set to 0.5Mp without pressure during material; The pressure of pigment swager binder is set to 1Mpa; The pressure of base-material swager is set to 1.2Mpa; Catalyzer, tackifier charging pump pressure are set to 0.3MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 3.5 parts, vinyl tributyl ketoximyl silane 0.8 part, γ-aminopropyl triethoxysilane 1 part, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 2 parts, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5 part, dibutyl tin laurate 0.1 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
The ketoxime removing type silicone sealant continuous production processes of the present embodiment, productive capacity is as follows:
1, production efficiency, by original every platform 2000L kneader place wall scroll production line daily making 4 tons, bring up to wall scroll production line daily making and reach 22 tons, namely the production efficiency of more original batch production technique improves about 6 times.
2, material loss, produce because continuous automatic production process have employed closed, raw material drops into farthest can be converted into output, can 99% be reached to Finished product processThe Raw utilization ratio from raw material, the more original batch production technique of material loss reduces by 1.5%, calculate according to annual output 30000 tons of products, more than 450 ton starting material can be saved.
3, extra charge, use continuous automatic production comparatively batch production minimizing operator quantity 50%, electricity consumption of equipment reduces, and on average monthly saves current consumption 15%.
4, Measuring Precision, in the production process of the present embodiment, main raw material Measuring Precision is: 0.01, and auxiliary agent Measuring Precision is: 0.001 figure place, and batch production Measuring Precision is only integer-bit, significantly improves than batch production Measuring Precision.
5, quality product, the product of production same recipe, adopts this technological operation than batch production technological operation, and product integrated performance index improves 20%, and product integrated performance index sees the following form 2.
Table 2 product performance index contrasts
| Tensile strength/MPa | Elongation/% | |
| The product of batch production | 0.975 | 268.385 |
| The product that the present embodiment is produced | 1.172 | 315.489 |
As can be seen from Table 2, the present embodiment produce product tensile strength and extensibility significantly improve.
embodiment 3
A kind of ketoxime removing type silicone sealant continuous automatic production process, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 105 DEG C, and the reaction times is 1.8 hours; Starting time 1.8 hours; Add acid catalyst phosphoric acid again, the reaction times is 1.8 hours; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, in 5 hours reaction times, temperature of reaction is 180 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.5, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.9;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, under the condition of temperature 135 DEG C, vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oils 8 parts, nm-class active calcium carbonate 42 parts;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.85Mpa; Pigment pumping pressure is set to 5Mpa; Base-material pumping pressure is set to 16Mpa; Discharging accumulator is set to 0.7Mp without pressure during material; The pressure of pigment swager binder is set to 0.7Mpa; The pressure of base-material swager is set to 0.8Mpa; Catalyzer, tackifier charging pump pressure are set to 0.4MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 9.5 parts, vinyl tributyl ketoximyl silane 6 parts, γ-aminopropyl triethoxysilane 3.5 parts, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 4.5 parts, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 1.5 parts, dibutyl tin laurate 0.25 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
The ketoxime removing type silicone sealant continuous production processes of the present embodiment, productive capacity is as follows:
1, production efficiency, by original every platform 2000L kneader place wall scroll production line daily making 4 tons, bring up to wall scroll production line daily making and reach 20 tons, namely the production efficiency of more original batch production technique improves 5 times.
2, material loss, produce because continuous automatic production process have employed closed, raw material drops into farthest can be converted into output, can 99% be reached to Finished product processThe Raw utilization ratio from raw material, the more original batch production technique of material loss reduces by 1.5%, calculate according to annual output 30000 tons of products, more than 450 ton starting material can be saved.
3, extra charge, use continuous automatic production comparatively batch production minimizing operator quantity 50%, electricity consumption of equipment reduces, and on average monthly saves current consumption 15%.
4, Measuring Precision, in the production process of the present embodiment, main raw material Measuring Precision is: 0.01, and auxiliary agent Measuring Precision is: 0.001 figure place, and batch production Measuring Precision is only integer-bit, significantly improves than batch production Measuring Precision.
5, quality product, the product of production same recipe, adopts this technological operation than batch production technological operation, and product integrated performance index improves 20%, and product integrated performance index sees the following form 3.
Table 3 product performance index contrasts
| Tensile strength/MPa | Elongation/% | |
| The product of batch production | 0.960 | 269.385 |
| The product that the present embodiment is produced | 1.187 | 325.469 |
As can be seen from Table 3, the present embodiment produce product tensile strength and extensibility significantly improve.
The above is only to preferred embodiment of the present invention, and be not do other forms of restriction to the present invention, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But, everyly do not depart from the present invention program's content, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still belong to protection scope of the present invention.
Claims (2)
1. a ketoxime removing type silicone sealant continuous production processes, is characterized in that, comprises the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 90-105 DEG C, and the reaction times is 1.8-2.2 hour; Starting time 1.8-2.2 hour; Add acid catalyst phosphoric acid again, the reaction times is 1.5-1.8 hour; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, reaction times 4.5-5 hour, temperature of reaction is 180-190 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.3-0.5, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.5-0.9;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, temperature 115-135 DEG C, under the condition of vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oil 5-8 parts, nm-class active calcium carbonate 30-42 part;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.6-0.85Mpa; Pigment pumping pressure is set to 3.5-5Mpa; Base-material pumping pressure is set to 13-16Mpa; Discharging accumulator is set to 0.5-0.7Mp without pressure during material; The pressure of pigment swager binder is set to 0.7-1Mpa; The pressure of base-material swager is set to 0.8-1.2Mpa; Catalyzer, tackifier charging pump pressure are set to 0.3-0.4MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 3.5-9.5 part, vinyl tributyl ketoximyl silane 0.8-6 part, γ-aminopropyl triethoxysilane 1-3.5 part, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 2-4.5 part, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5-1.5 part, dibutyl tin laurate 0.1-0.25 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
2. a kind of ketoxime removing type silicone sealant continuous production processes according to claim 1, is characterized in that, comprise the steps:
The first step, the synthesis of RTV Methyl Silicone Rubber:
According to formula ratio by octamethylcyclotetrasiloxane or siloxanes mixture, add alkaline catalysts potassium hydroxide, temperature of reaction is 95 DEG C, and the reaction times is 2 hours; Starting time 2 hours; Add acid catalyst phosphoric acid again, the reaction times is 1.6 hours; Finally, be evacuated to-0.098MPa, continue reaction with this understanding, in 4.5 hours reaction times, temperature of reaction is 185 DEG C;
Above-mentioned formula according to quality proportioning is:
The ratio of octamethylcyclotetrasiloxane or siloxanes mixture and potassium hydroxide is 100000:0.4, and the ratio of octamethylcyclotetrasiloxane or siloxanes mixture and phosphoric acid is 100000:0.7;
Second step, base-material is produced:
The RTV Methyl Silicone Rubber the first step produced, adds 201 methyl-silicone oils, nm-class active calcium carbonate according to formula ratio, under the condition of temperature 125 DEG C, vacuum-0.98MPa, by twin screw extruder blending dispersion;
Above-mentioned formula according to quality proportioning is:
201 methyl-silicone oils 6 parts, nm-class active calcium carbonate 36 parts;
3rd step, join glue operation:
Methyl tributanoximo silane is added according to formula ratio, vinyl tributyl ketoximyl silane, γ-aminopropyl triethoxysilane, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane, dibutyl tin laurate; Join gluing equipment by static mixing to produce;
In reaction, the pressure of the total source of the gas of pressurized air is set to 0.75Mpa; Pigment pumping pressure is set to 4Mpa; Base-material pumping pressure is set to 14.5Mpa; Discharging accumulator is set to 0.6Mp without pressure during material; The pressure of pigment swager binder is set to 0.85Mpa; The pressure of base-material swager is set to 1.0Mpa; Catalyzer, tackifier charging pump pressure are set to 0.35MPa;
Above-mentioned formula according to quality proportioning is:
Methyl tributanoximo silane 6.5 parts, vinyl tributyl ketoximyl silane 3.4 parts, γ-aminopropyl triethoxysilane 2 parts, γ-(2,3-epoxy, third oxygen) propyl trimethoxy silicane 3.5 parts, N-(β mono-aminoethyl)-γ-aminopropyltrimethoxysilane 1.0 parts, dibutyl tin laurate 0.15 part;
4th step, packing:
By the sizing material custody transfer of the ketoxime removing type silicone sealant that the 3rd step is produced, carry out accurate metering packing sealing according to packing specifications.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60258260A (en) * | 1984-06-01 | 1985-12-20 | Shin Etsu Chem Co Ltd | Room temperature curing silicone rubber composition |
| CN1149307A (en) * | 1994-05-24 | 1997-05-07 | 联合讯号公司 | Room temperature vulcanizable silicone compositions employing phenyl substituted tris-functional ketoxime silanes |
| CN1468928A (en) * | 2002-07-19 | 2004-01-21 | 兵 祝 | Silicone rubber for sealing concrete extension joint |
| CN101851334A (en) * | 2010-04-19 | 2010-10-06 | 上海爱世博有机硅材料有限公司 | Dimethyl diphenyl room-temperature vulcanized silicone rubber as well as production process and application thereof |
-
2012
- 2012-12-28 CN CN201210582988.8A patent/CN103897654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60258260A (en) * | 1984-06-01 | 1985-12-20 | Shin Etsu Chem Co Ltd | Room temperature curing silicone rubber composition |
| CN1149307A (en) * | 1994-05-24 | 1997-05-07 | 联合讯号公司 | Room temperature vulcanizable silicone compositions employing phenyl substituted tris-functional ketoxime silanes |
| CN1468928A (en) * | 2002-07-19 | 2004-01-21 | 兵 祝 | Silicone rubber for sealing concrete extension joint |
| CN101851334A (en) * | 2010-04-19 | 2010-10-06 | 上海爱世博有机硅材料有限公司 | Dimethyl diphenyl room-temperature vulcanized silicone rubber as well as production process and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| "单组分室温硫化有机硅密封胶的研制";杨敏等;《粘接》;20070131;第28卷(第1期);第26-28，50页 * |
| "耐油性单组分酮肟型有机硅密封胶的研制";王翠花等;《粘接》;20120430(第4期);第57页序言及实验部分1.1和1.2 * |
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| CN103897654A (en) | 2014-07-02 |
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