CN110885504A - Sealing strip suitable for glass curtain wall frame and production process thereof - Google Patents
Sealing strip suitable for glass curtain wall frame and production process thereof Download PDFInfo
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- CN110885504A CN110885504A CN201911337383.0A CN201911337383A CN110885504A CN 110885504 A CN110885504 A CN 110885504A CN 201911337383 A CN201911337383 A CN 201911337383A CN 110885504 A CN110885504 A CN 110885504A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
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Abstract
The invention discloses a sealing strip suitable for a glass curtain wall frame and a production process thereof, and relates to the technical field of sealing strips. The utility model provides a sealing strip suitable for glass curtain wall frame, its raw materials are as follows according to weight: 30-50 parts of waste rubber powder, 10-20 parts of adhesive, 3-6 parts of softener, 40-60 parts of rubber powder, 4-8 parts of high-wear-resistance carbon black, 0.4-1.5 parts of sulfur, 3-7 parts of zinc oxide, 0.4-0.9 part of accelerator M (MBT), 3-3 parts of accelerator TMTM1, 1-3 parts of stearic acid, 20-30 parts of No. 50 engine oil and 3-6 parts of anti-aging agent. The invention also provides a production process of the sealing strip suitable for the glass curtain wall frame, which comprises the following steps: mixing in the first step, mixing in the second step, extruding, vulcanizing, cooling, blow-drying, trimming finished products and warehousing. According to the invention, the waste rubber in life and the Ethylene Propylene Diene Monomer (EPDM) with excellent performance are mixed through the adhesive to form a novel rubber material, so that the purpose of recycling waste products is achieved, the recycling of the waste rubber is realized, and a benign green cycle is formed.
Description
Technical Field
The invention belongs to the technical field of sealing strips, and particularly relates to a sealing strip suitable for a glass curtain wall frame and a production process thereof.
Background
The rubber sealing strips are applied to various industries such as automobiles, doors and windows, cabinets, refrigerators, containers and the like, along with the development of the building industry, more and more buildings like the design scheme of adopting the glass curtain wall as a building, the glass curtain wall is a beautiful and novel building wall decoration method, is a remarkable characteristic of modern high-rise building times, and the buildings are also very beautiful and atmosphere.
The sealing strip is also an important connecting piece between the frame of the glass curtain wall and the glass, and because the glass curtain wall is outside a building, the sealing strip is exposed to the sun and rain, the performance requirement on the sealing strip is high, and the sealing strip needs to have excellent sealing performance, ageing resistance, heat resistance, wear resistance, corrosion resistance and other performances, but a lot of existing rubbers in the existing society do not have the performances and cannot be used as raw materials, so that great energy waste is caused.
According to the invention, the waste rubber in life is made into waste rubber powder, and then the waste rubber powder is mixed with Ethylene Propylene Diene Monomer (EPDM) with excellent performance through the action of the adhesive CIL89, so that the waste vulcanized rubber powder and the unvulcanized rubber powder are bonded into a whole, the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in the external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, the purpose of recycling waste products is further achieved, the recycling of the waste rubber is realized, and a benign green cycle is formed.
Disclosure of Invention
The invention aims to provide a sealing strip suitable for a glass curtain wall frame and a production process thereof, wherein the sealing strip is prepared by preparing waste rubber powder from the waste rubber in life, mixing the waste rubber powder with Ethylene Propylene Diene Monomer (EPDM) with excellent performance, and further bonding the waste vulcanized rubber powder and unvulcanized rubber powder through the action of an adhesive CIL89 to form a whole, so that the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in the external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, the purpose of recycling waste is further achieved, the recycling of the waste rubber is realized, and a benign green cycle is formed.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a sealing strip suitable for glass curtain wall frame, batching component and mass fraction are as follows: 30-50 parts of waste rubber powder, 10-20 parts of adhesive, 3-6 parts of softener, 40-60 parts of rubber powder, 4-8 parts of high-wear-resistance carbon black, 0.4-1.5 parts of sulfur, 3-7 parts of zinc oxide, 0.4-0.9 part of accelerator M (MBT), 3-3 parts of accelerator TMTM1, 1-3 parts of stearic acid, 20-30 parts of No. 50 engine oil and 3-6 parts of anti-aging agent.
Further, the ingredients and mass fractions are as follows: 40-50 parts of waste rubber powder, 13-20 parts of adhesive, 3-6 parts of softener, 45-60 parts of rubber powder, 5-8 parts of high-wear-resistance carbon black, 0.8-1.5 parts of sulfur, 4-7 parts of zinc oxide, 0.5-0.9 part of accelerator M (MBT), 3-3 parts of accelerator TMTM2, 1-3 parts of stearic acid, 23-30 parts of No. 50 engine oil and 3-6 parts of anti-aging agent.
Further, the adhesive is CIL 89.
Further, the rubber powder is Ethylene Propylene Diene Monomer (EPDM) which is polymerized by 5-10 parts of ethylene, 10-20 parts of propylene and 1-5 parts of dicyclopentadiene.
Further, the anti-aging agent is an anti-aging agent 4010, and the molecular formula is C18H22N 2.
Further, the softening agent is cadmium stearate.
A production process of a sealing strip suitable for a glass curtain wall frame comprises the following steps:
step one, first-stage mixing, namely adding weighed waste rubber powder, high-wear-resistance carbon black, rubber powder, zinc oxide, No. 50 engine oil and stearic acid into an internal mixer for internal mixing, setting the pressure to be 0.8-0.9MPa, the set temperature to be 110-130 ℃, the rotating speed of the internal mixer to be 50-60r/min, adding a softener when the temperature reaches 80 ℃, adding an adhesive to continue internal mixing for 10-15min when the temperature reaches the set temperature, then conveying the mixture into an open mill for mixing for 5-10min, cooling and slicing;
step two, second-order mixing, namely adding the finished product obtained in the step one, an anti-aging agent, sulfur, an accelerator M (MBT) and an accelerator TMTM into an internal mixer, setting the pressure to be 0.7-0.8MPa, the set temperature to be 70-80 ℃, the rotating speed of the internal mixer to be 50-60r/min, continuously mixing for 10-15min when the temperature reaches the set temperature, then conveying the mixture into an open mill for mixing for 5-10min, cooling and cutting into strips;
step three, extruding, namely extruding and molding the strip-shaped finished product obtained in the step two through an extruder, wherein the temperature of a feeding area of the extruder is set to be 40-50 ℃, and the temperature of a die of a machine head is set to be 60-70 ℃;
step four, vulcanization, namely vulcanizing the molded rubber obtained in the step three through a high-temperature oven, wherein the temperature of the oven is set to 210 ℃ and 220 ℃, and the vulcanization time is 10-15 min;
step five, cooling and blow-drying, namely cooling the product vulcanized in the step four through a cold water tank and blow-drying through a fan;
and step six, trimming and warehousing finished products, trimming the products obtained in the step five, and packaging and warehousing the products.
Further, the model of the internal mixer in the first step is BS-50L.
Further, the model of the open mill in the first step is YX-2306.
The invention has the beneficial effects that:
according to the invention, the waste rubber in life is made into waste rubber powder, and then the waste rubber powder is mixed with Ethylene Propylene Diene Monomer (EPDM) with excellent performance through the action of the adhesive CIL89, so that the waste vulcanized rubber powder and the unvulcanized rubber powder are bonded into a whole, the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in the external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, the purpose of recycling waste products is further achieved, the recycling of the waste rubber is realized, and a benign green cycle is formed.
Detailed Description
In the description of the present invention, it is to be understood that the terms "middle", "inner", "front", "rear", and the like, indicate an orientation or positional relationship only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
the utility model provides a sealing strip suitable for glass curtain wall frame, batching component and mass fraction are as follows: 30 parts of waste rubber powder, 10 parts of adhesive, 3 parts of softener, 40 parts of rubber powder, 4 parts of high-wear-resistance carbon black, 0.4 part of sulfur, 3 parts of zinc oxide, 0.4 part of accelerator M (MBT), 1 parts of accelerator TMTM, 1 part of stearic acid, 20 parts of No. 50 engine oil and 3 parts of anti-aging agent.
Preferably, the adhesive is CIL89 in type, and can be used for bonding partial waste vulcanized rubber powder and unvulcanized rubber powder to form a whole, so that the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, and the purpose of recycling waste products is achieved.
Preferably, the rubber powder is Ethylene Propylene Diene Monomer (EPDM), which is polymerized by 5 parts of ethylene, 10 parts of propylene and 1 part of dicyclopentadiene, and has the structural characteristics that unsaturated double bonds are not actually formed on the main chain of a polymer molecule, and unsaturated double bonds are introduced into branched chains, so that the EPDM has excellent weather resistance, ozone resistance, ultraviolet resistance, good processability and low compression set.
Preferably, the anti-aging agent is an anti-aging agent 4010, the molecular formula is C18H22N2, the anti-aging agent 4010 is one of general anti-aging agents with excellent natural rubber and synthetic rubber, is particularly suitable for natural rubber and styrene butadiene rubber, has excellent protection performance on aging factors such as heat, oxygen, ozone, light and the like, is an excellent inhibitor for cracking and flex cracking caused by lasting mechanical stress, and has certain protection effect on high-energy radiation and aging action of copper ions, so that the factors of oxygen, heat, light, ozone, mechanical stress and heavy metal ions can be prevented from damaging the performance of the sealing strip, and the storage and service life of the sealing strip can be prolonged.
Preferably, the softening agent is cadmium stearate, has excellent transparency, light stability, water resistance and electrical insulation, extremely small initial coloring property, high heat stability efficiency and good weather resistance of products, can be used as a heat stabilizer, a lubricant and a softening agent of polyvinyl chloride used as waste rubber, and is beneficial to ensuring the flexibility of the sealing strip.
A production process of a sealing strip suitable for a glass curtain wall frame comprises the following steps:
step one, mixing in the first step, adding weighed waste rubber powder, high-wear-resistance carbon black, rubber powder, zinc oxide, No. 50 engine oil and stearic acid into an internal mixer for internal mixing, setting the pressure to be 0.8MPa, the set temperature to be 110 ℃ and the rotating speed of the internal mixer to be 50r/min, adding a softener when the temperature reaches 80 ℃, adding an adhesive when the temperature reaches the set temperature, continuously mixing for 10min, conveying the mixture into an open mill for mixing for 5min, cooling and slicing;
step two, second-stage mixing, namely adding the finished product obtained in the step one, an anti-aging agent, sulfur, an accelerator M (MBT) and an accelerator TMTM into an internal mixer, setting the pressure to be 0.7MPa, the set temperature to be 70 ℃, the rotating speed of the internal mixer to be 50r/min, continuing to mix for 10min when the temperature reaches the set temperature, then conveying the mixture into an open mill to be mixed for 5min, cooling and cutting into strips;
step three, extruding, namely extruding and molding the strip-shaped finished product obtained in the step two through an extruder, wherein the temperature of a feeding area of the extruder is set at 40 ℃, and the temperature of a die of a machine head is set at 60 ℃;
step four, vulcanization, namely vulcanizing the molded rubber obtained in the step three by a high-temperature oven, wherein the temperature of the oven is set to 210 ℃, and the vulcanization time is 10 min;
step five, cooling and blow-drying, namely cooling the product vulcanized in the step four through a cold water tank and blow-drying through a fan;
and step six, trimming and warehousing finished products, trimming the products obtained in the step five, and packaging and warehousing the products.
Preferably, the model of the internal mixer in the first step is BS-50L.
Preferably, the model of the open mill in the first step is YX-2306.
Example two:
the utility model provides a sealing strip suitable for glass curtain wall frame, batching component and mass fraction are as follows: 40 parts of waste rubber powder, 16 parts of adhesive, 5 parts of softener, 45 parts of rubber powder, 6 parts of high wear-resistant carbon black, 0.9 part of sulfur, 4 parts of zinc oxide, 0.6 part of accelerator M (MBT), 2 parts of accelerator TMTM, 2 parts of stearic acid, 26 parts of No. 50 engine oil and 4 parts of anti-aging agent.
Preferably, the adhesive is CIL89 in type, and can be used for bonding partial waste vulcanized rubber powder and unvulcanized rubber powder to form a whole, so that the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, and the purpose of recycling waste products is achieved.
Preferably, the rubber powder is Ethylene Propylene Diene Monomer (EPDM), which is polymerized by 8 parts of ethylene, 15 parts of propylene and 3 parts of dicyclopentadiene, and has the structural characteristics that unsaturated double bonds are not actually formed on the main chain of a polymer molecule, and unsaturated double bonds are introduced into branched chains, so that the EPDM has excellent weather resistance, ozone resistance, ultraviolet resistance, good processability and low compression set.
Preferably, the anti-aging agent is an anti-aging agent 4010, the molecular formula is C18H22N2, the anti-aging agent 4010 is one of general anti-aging agents with excellent natural rubber and synthetic rubber, is particularly suitable for natural rubber and styrene butadiene rubber, has excellent protection performance on aging factors such as heat, oxygen, ozone, light and the like, is an excellent inhibitor for cracking and flex cracking caused by lasting mechanical stress, and has certain protection effect on high-energy radiation and aging action of copper ions, so that the factors of oxygen, heat, light, ozone, mechanical stress and heavy metal ions can be prevented from damaging the performance of the sealing strip, and the storage and service life of the sealing strip can be prolonged.
Preferably, the softening agent is cadmium stearate, has excellent transparency, light stability, water resistance and electrical insulation, extremely small initial coloring property, high heat stability efficiency and good weather resistance of products, can be used as a heat stabilizer, a lubricant and a softening agent of polyvinyl chloride used as waste rubber, and is beneficial to ensuring the flexibility of the sealing strip.
A production process of a sealing strip suitable for a glass curtain wall frame comprises the following steps:
step one, mixing in the first step, adding weighed waste rubber powder, high-wear-resistance carbon black, rubber powder, zinc oxide, No. 50 engine oil and stearic acid into an internal mixer for internal mixing, setting the pressure to be 0.8MPa, the set temperature to be 120 ℃ and the rotating speed of the internal mixer to be 55r/min, adding a softener when the temperature reaches 80 ℃, adding an adhesive when the temperature reaches the set temperature, continuously mixing for 13min, conveying the mixture into an open mill for 8min, cooling and slicing;
step two, second-order mixing, namely adding the finished product obtained in the step one, an anti-aging agent, sulfur, an accelerator M (MBT) and an accelerator TMTM into an internal mixer, setting the pressure to be 0.8MPa, the temperature to be 75 ℃ and the rotating speed of the internal mixer to be 55r/min, continuously mixing for 13min when the temperature reaches the set temperature, then conveying the mixture into an open mill for 8min, cooling and cutting into strips;
step three, extruding, namely extruding and molding the strip-shaped finished product obtained in the step two through an extruder, wherein the temperature of a feeding area of the extruder is set to be 45 ℃, and the temperature of a die of a machine head is set to be 65 ℃;
step four, vulcanization, namely vulcanizing the molded rubber obtained in the step three through a high-temperature oven, wherein the temperature of the oven is set to 215 ℃, and the vulcanization time is 13 min;
step five, cooling and blow-drying, namely cooling the product vulcanized in the step four through a cold water tank and blow-drying through a fan;
and step six, trimming and warehousing finished products, trimming the products obtained in the step five, and packaging and warehousing the products.
Preferably, the model of the internal mixer in the first step is BS-50L.
Preferably, the model of the open mill in the first step is YX-2306.
Example three:
the utility model provides a sealing strip suitable for glass curtain wall frame, batching component and mass fraction are as follows: 50 parts of waste rubber powder, 20 parts of adhesive, 6 parts of softener, 60 parts of rubber powder, 8 parts of high-wear-resistance carbon black, 1.5 parts of sulfur, 7 parts of zinc oxide, 0.9 part of accelerator M (MBT), 3 parts of accelerator TMTM, 3 parts of stearic acid, 30 parts of No. 50 engine oil and 6 parts of anti-aging agent.
Preferably, the adhesive is CIL89 in type, and can be used for bonding partial waste vulcanized rubber powder and unvulcanized rubber powder to form a whole, so that the product has good dynamic fatigue resistance, salt mist resistance and chemical resistance, the product is favorable for long-time use in external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, and the purpose of recycling waste products is achieved.
Preferably, the rubber powder is Ethylene Propylene Diene Monomer (EPDM), which is polymerized by 10 parts of ethylene, 20 parts of propylene and 5 parts of dicyclopentadiene, and has the structural characteristics that unsaturated double bonds are not actually formed on the main chain of a polymer molecule, and unsaturated double bonds are introduced into branched chains, so that the EPDM has excellent weather resistance, ozone resistance, ultraviolet resistance, good processability and low compression set.
Preferably, the anti-aging agent is an anti-aging agent 4010, the molecular formula is C18H22N2, the anti-aging agent 4010 is one of general anti-aging agents with excellent natural rubber and synthetic rubber, is particularly suitable for natural rubber and styrene butadiene rubber, has excellent protection performance on aging factors such as heat, oxygen, ozone, light and the like, is an excellent inhibitor for cracking and flex cracking caused by lasting mechanical stress, and has certain protection effect on high-energy radiation and aging action of copper ions, so that the factors of oxygen, heat, light, ozone, mechanical stress and heavy metal ions can be prevented from damaging the performance of the sealing strip, and the storage and service life of the sealing strip can be prolonged.
Preferably, the softening agent is cadmium stearate, has excellent transparency, light stability, water resistance and electrical insulation, extremely small initial coloring property, high heat stability efficiency and good weather resistance of products, can be used as a heat stabilizer, a lubricant and a softening agent of polyvinyl chloride used as waste rubber, and is beneficial to ensuring the flexibility of the sealing strip.
A production process of a sealing strip suitable for a glass curtain wall frame comprises the following steps:
the first-stage mixing comprises 50 parts of waste rubber powder, 20 parts of adhesive, 6 parts of softener, 60 parts of rubber powder, 8 parts of high-wear-resistance carbon black, 1.5 parts of sulfur, 7 parts of zinc oxide, 0.9 part of accelerator M (MBT), 3 parts of accelerator TMTM, 3 parts of stearic acid, 30 parts of No. 50 engine oil and 6 parts of anti-aging agent.
Step one, mixing in the first step, adding weighed waste rubber powder, high-wear-resistance carbon black, rubber powder, zinc oxide, No. 50 engine oil and stearic acid into an internal mixer for internal mixing, setting the pressure to be 0.9MPa, the set temperature to be 130 ℃, the rotating speed of the internal mixer to be 60r/min, adding a softener when the temperature reaches 80 ℃, adding an adhesive when the temperature reaches the set temperature, continuing internal mixing for 15min, conveying the mixture into an open mill for mixing for 10min, cooling and slicing;
step two, second-stage mixing, namely adding the finished product obtained in the step one, an anti-aging agent, sulfur, an accelerator M (MBT) and an accelerator TMTM into an internal mixer, setting the pressure to be 0.8MPa, the temperature to be 80 ℃ and the rotating speed of the internal mixer to be 60r/min, continuing to mix for 15min when the temperature reaches the set temperature, then conveying the mixture into an open mill to mix for 10min, cooling and cutting into strips;
step three, extruding, namely extruding and molding the strip-shaped finished product obtained in the step two through an extruder, wherein the temperature of a feeding area of the extruder is set at 50 ℃, and the temperature of a die of a machine head is set at 70 ℃;
step four, vulcanization, namely vulcanizing the molded rubber obtained in the step three through a high-temperature oven, wherein the temperature of the oven is set to be 220 ℃, and the vulcanization time is 15 min;
step five, cooling and blow-drying, namely cooling the product vulcanized in the step four through a cold water tank and blow-drying through a fan;
and step six, trimming and warehousing finished products, trimming the products obtained in the step five, and packaging and warehousing the products.
Preferably, the model of the internal mixer in the first step is BS-50L.
Preferably, the model of the open mill in the first step is YX-2306.
In conclusion, the waste rubber powder is prepared from the waste rubber in life, the waste rubber powder is mixed with Ethylene Propylene Diene Monomer (EPDM) with excellent performance through the action of the adhesive CIL89, the waste vulcanized rubber powder and the unvulcanized rubber powder are bonded to form a whole, the product has good dynamic fatigue resistance, salt fog resistance and chemical resistance, the product is favorable for long-time use in the external environment, the waste rubber powder and the rubber powder are combined to form a novel rubber material, the purpose of recycling waste products is further achieved, meanwhile, the added anti-aging agent 4010 can prevent and inhibit factors of oxygen, heat, light, ozone, mechanical stress and heavy metal ions from damaging the performance of the sealing strip, the storage and the service life of the sealing strip are prolonged, and cadmium stearate serving as a heat stabilizer and a softening agent of polyvinyl chloride of waste rubber, Lubricant and softener are favorable to guaranteeing the compliance of this sealing strip, promote the performance of sealing strip, and then are favorable to the use of outdoor adverse circumstances, also have the characteristic of green, environmental protection, have realized the recycle of old and useless rubber, form a virtuous circle.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a sealing strip suitable for glass curtain wall frame which characterized in that, batching component and mass fraction as follows: 30-50 parts of waste rubber powder, 10-20 parts of adhesive, 3-6 parts of softener, 40-60 parts of rubber powder, 4-8 parts of high-wear-resistance carbon black, 0.4-1.5 parts of sulfur, 3-7 parts of zinc oxide, 0.4-0.9 part of accelerator M (MBT), 3-3 parts of accelerator TMTM1, 1-3 parts of stearic acid, 20-30 parts of No. 50 engine oil and 3-6 parts of anti-aging agent.
2. The sealing strip suitable for the glass curtain wall frame as claimed in claim 1, wherein the ingredients comprise the following components in percentage by mass: 40-50 parts of waste rubber powder, 13-20 parts of adhesive, 3-6 parts of softener, 45-60 parts of rubber powder, 5-8 parts of high-wear-resistance carbon black, 0.8-1.5 parts of sulfur, 4-7 parts of zinc oxide, 0.5-0.9 part of accelerator M (MBT), 3-3 parts of accelerator TMTM2, 1-3 parts of stearic acid, 23-30 parts of No. 50 engine oil and 3-6 parts of anti-aging agent.
3. The weatherstrip for glass curtain wall jambs of claim 2, wherein said adhesive is CIL 89.
4. The sealing strip for glass curtain wall borders according to claim 3, wherein said rubber powder is Ethylene Propylene Diene Monomer (EPDM) polymerized from 5-10 parts of ethylene, 10-20 parts of propylene and 1-5 parts of dicyclopentadiene.
5. The sealing strip for the frame of a glass curtain wall as claimed in claim 2, wherein the antioxidant is antioxidant 4010 and has a molecular formula of C18H22N 2.
6. The sealing strip for glass curtain wall borders according to claim 1, wherein said softening agent is cadmium stearate.
7. The process for producing a sealing strip for the jamb of glass curtain walls according to any one of claims 1 to 6, characterized in that it comprises the following steps:
step one, first-stage mixing, namely adding weighed waste rubber powder, high-wear-resistance carbon black, rubber powder, zinc oxide, No. 50 engine oil and stearic acid into an internal mixer for internal mixing, setting the pressure to be 0.8-0.9MPa, the set temperature to be 110-130 ℃, the rotating speed of the internal mixer to be 50-60r/min, adding a softener when the temperature reaches 80 ℃, adding an adhesive to continue internal mixing for 10-15min when the temperature reaches the set temperature, then conveying the mixture into an open mill for mixing for 5-10min, cooling and slicing;
step two, second-order mixing, namely adding the finished product obtained in the step one, an anti-aging agent, sulfur, an accelerator M (MBT) and an accelerator TMTM into an internal mixer, setting the pressure to be 0.7-0.8MPa, the set temperature to be 70-80 ℃, the rotating speed of the internal mixer to be 50-60r/min, continuously mixing for 10-15min when the temperature reaches the set temperature, then conveying the mixture into an open mill for mixing for 5-10min, cooling and cutting into strips;
step three, extruding, namely extruding and molding the strip-shaped finished product obtained in the step two through an extruder, wherein the temperature of a feeding area of the extruder is set to be 40-50 ℃, and the temperature of a die of a machine head is set to be 60-70 ℃;
step four, vulcanization, namely vulcanizing the molded rubber obtained in the step three through a high-temperature oven, wherein the temperature of the oven is set to 210 ℃ and 220 ℃, and the vulcanization time is 10-15 min;
step five, cooling and blow-drying, namely cooling the product vulcanized in the step four through a cold water tank and blow-drying through a fan;
and step six, trimming and warehousing finished products, trimming the products obtained in the step five, and packaging and warehousing the products.
8. The process for producing the sealing strip suitable for the jamb of a glass curtain wall as claimed in claim 7, wherein the type of the internal mixer in the first step is BS-50L.
9. The process for producing the sealing strip suitable for the jamb of glass curtain walls according to claim 7, wherein the open mill in the first step is YX-2306.
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| CN201911337383.0A CN110885504A (en) | 2019-12-23 | 2019-12-23 | Sealing strip suitable for glass curtain wall frame and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197488A (en) * | 2022-07-25 | 2022-10-18 | 中胶伟业(山东)橡胶有限公司 | Method for manufacturing special material for sealing strip by using waste tire |
| CN115678172A (en) * | 2022-12-12 | 2023-02-03 | 惠州市翔泰橡塑制品有限公司 | EPDM rubber containing rubber powder and preparation method thereof |
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| CN104163993A (en) * | 2014-06-20 | 2014-11-26 | 史东波 | Ethylene propylene diene monomer rubber and EPDM reclaimed rubber co-used rubber composition, and preparation method and application thereof |
| CN105482271A (en) * | 2015-12-23 | 2016-04-13 | 芜湖馨源海绵有限公司 | Environment-friendly sponge sealing adhesive tape for car windows |
| CN108774363A (en) * | 2018-06-12 | 2018-11-09 | 柳州市大新实业有限公司 | A kind of EPDM rubber formula and preparation method containing rubber powder |
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| CN101987901A (en) * | 2009-07-29 | 2011-03-23 | 上海西郊橡胶制品厂 | Method for preparing ternary ethylene propylene vulcanized rubber powder master batches, products and application |
| CN103665595A (en) * | 2013-12-04 | 2014-03-26 | 天津鹏翎胶管股份有限公司 | Rubber composition using both EPDM and reclaimed rubber |
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| CN115197488A (en) * | 2022-07-25 | 2022-10-18 | 中胶伟业(山东)橡胶有限公司 | Method for manufacturing special material for sealing strip by using waste tire |
| CN115678172A (en) * | 2022-12-12 | 2023-02-03 | 惠州市翔泰橡塑制品有限公司 | EPDM rubber containing rubber powder and preparation method thereof |
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