CN111253684A - Foaming flame-retardant material for sealing strip - Google Patents
Foaming flame-retardant material for sealing strip Download PDFInfo
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- CN111253684A CN111253684A CN201811461116.XA CN201811461116A CN111253684A CN 111253684 A CN111253684 A CN 111253684A CN 201811461116 A CN201811461116 A CN 201811461116A CN 111253684 A CN111253684 A CN 111253684A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K3/02—Elements
- C08K3/06—Sulfur
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1078—Fire-resistant, heat-resistant materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Sealing Material Composition (AREA)
Abstract
A foaming flame-retardant material for a sealing strip is prepared from the following raw materials in parts by weight: ethylene propylene diene monomer: 30-34 parts of YF501 carbon black, 20-24 parts of 2280 parts of paraffin oil: 20-30 parts of a flame retardant: 15-19 parts of an active agent: 1.6 parts, stearic acid: 0.63 part, polyethylene glycol: 0.63 part, protective agent: 1.2-2 parts of vulcanizing agent: 1.6 parts, foaming agent: 0.8-1.2 parts of the foaming flame-retardant material for the sealing strip, provided by the invention, can meet the application of sealing strips of automobiles and outdoor cabinets, and has a fire-proof grade reaching the grade of foam material UL94HF-1, so that the foaming flame-retardant material has positive fire-proof safety significance.
Description
The technical field is as follows:
the invention belongs to the technical field of materials, and particularly relates to a foaming flame-retardant material for a sealing strip
Background art:
in the automobile sealing material, as the electric vehicle new energy automobile is used, the requirements on the safety and fire resistance of the material are enhanced; in the cabinet sealing strip, because the cabinet is contacted with electrical equipment, the UL fireproof requirement is met in electrical regulations. At present, the common sealing strip is not provided with flame-retardant and fireproof functions, is inflammable when meeting fire and is easy to lose efficacy, and the foaming flame-retardant material for the sealing strip can reach UL94HF-1 grade, so that the application range of the sealing strip is enlarged.
The foaming flame-retardant material technology for the sealing strip has positive effects on fire safety when meeting the sealing property, and the product can play a role in retarding flame and reducing fire spread when in fire
Disclosure of Invention
Aiming at the existing sealing strip material, the invention provides a foaming flame-retardant material for a sealing strip.
The technical scheme adopted by the invention is as follows: a foaming flame-retardant material for a sealing strip is prepared from the following raw materials in parts by weight: ethylene propylene diene monomer: 30-34 parts of YF501 carbon black, 20-24 parts of 2280 parts of paraffin oil: 18-24 parts of flame retardant: 15-19 parts of an active agent: 1.6 parts, stearic acid: 0.63 part, polyethylene glycol: 0.63 part, protective agent: 1.2-2 parts of vulcanizing agent: 1.6 parts, foaming agent: 0.8-1.2 parts of moisture absorbent: 1.2 to 1.8 portions.
Preferably, the ethylene propylene diene monomer is Keltan 9950
Preferably, the YF501 carbon black is a Tiger
Preferably, the flame retardant is prepared by mixing halogen-free flame retardant FR201 and F2 flame retardant of Shanghai diligent Kogyo Co., Ltd in a weight ratio of 100: 12.
Preferably, the active agent is zinc oxide
Preferably, the protective agent is a mixture of an anti-aging agent MB, an anti-aging agent 445, a mildew preventive JL-1069 from Liangshan City, Li-resources chemical Co., Ltd and microcrystalline wax, and the total weight ratio of the materials is as follows: 1:1:2:1
Preferably, the vulcanizing agent IS a mixture of insoluble sulfur IS 90 and vulcanization accelerators M, DTDM, BZ, TDEC, EZ, DM and NA-22, and the mixing weight ratio of the substances IS 1.1:1.20:0.80:0.3:0.20:0.65:0.2: 0.55.
Preferably, the foaming agent is prepared by mixing OBSH and AC3000 in a weight ratio of 2.5-3.0:1
Preferably, the hygroscopic agent is Kezadol GR
The invention also provides a preparation method of the foaming flame-retardant material for the sealing strip, which comprises the following specific steps:
(1) first-stage mixing: 30-34 parts of ethylene propylene diene monomer, 1.6 parts of activator, 0.63 part of stearic acid and 1.2-2 parts of protective agent are put into an internal mixer for plastication for 120 seconds, 15-19 parts of flame retardant are put for mixing for 240 seconds, 18-24 parts of paraffin oil and 20-24 parts of carbon black YF501 are put for mixing for 320 seconds, and blanking is carried out; wherein the working parameters of the internal mixer are as follows: the glue feeding temperature is less than 45 ℃, the blanking temperature is 125-;
(2) and (3) sheet discharging: discharging the materials by an internal mixer, turning the materials for 2-3 minutes in a 22-inch open mill, discharging the materials, cooling the materials to room temperature by a fan, collecting the materials, and adjusting the room temperature for 4 hours; the storage condition of the rubber material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 4 hours to 30 days;
(3) and (3) second-stage mixing: adding 50% of first-section master batch, 1.6 parts of vulcanizing agent, 0.8-1.2 parts of foaming agent and 1.2-1.8 parts of moisture absorbent into an internal mixer for mixing for 20-30 seconds, adding the remaining 50% of first-section master batch, continuously mixing for 30 seconds, performing plug lifting once every 30 seconds in the middle, and blanking at 80-85 ℃; the working parameters of the internal mixer are as follows: the pressure is 0.5-0.6MPa, the rotating speed is 30 r/min, the capacity is 63-64KG, the glue feeding temperature is less than 40 ℃, the cooling water pressure is more than 0.1MPa, and the water temperature is 14-18 ℃;
(4) receiving: after the two-stage rubber compound is discharged, turning over the material for 2-3 minutes in a 22-inch open mill, cooling the material to room temperature by a fan, and collecting the material to obtain the foaming flame-retardant material for the sealing strip; the storage condition of the sizing material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 8 hours to 5 days.
The invention has the beneficial effects that: the dense rubber foam material provided by the invention can meet the application of sealing strips of doors, windows and doors of automobiles and sealing strips for various cabinet products, has the fireproof safety reaching UL94HF-1, and has a good effect on the fireproof safety of products.
Detailed Description
Example 1
A foaming flame-retardant material for a sealing strip is prepared from the following raw materials in parts by weight:
ethylene propylene diene monomer: 30 parts of YF501 carbon black, 20 parts of 2280 paraffin oil: 18 parts, flame retardant: 15 parts, active agent: 1.6 parts, stearic acid: 0.63 part, polyethylene glycol: 0.63 part, protective agent: 1.2 parts, vulcanizing agent: 1.6 parts, foaming agent: 0.8 part, moisture absorbent: 1.2 parts;
the ethylene propylene diene monomer is Keltan 9950
The YF501 carbon black is a yunwei flying tiger
The flame retardant is prepared by mixing halogen-free flame retardant FR201 and F2 flame retardant of Shanghai diligent general industries, Ltd in a weight ratio of 100: 12.
The active agent is zinc oxide
The protective agent is a mixture of an anti-aging agent MB, an anti-aging agent 445, a mildew preventive JL-1069 mildew preventive of the beauty chemical company Limited in Fushan City and microcrystalline wax, and the total weight ratio of the materials is as follows: 1:1:2:1
The vulcanizing agent IS a mixture of insoluble sulfur IS 90 and vulcanization accelerators M, DTDM, BZ, TDEC, EZ, DM and NA-22, and the mixing weight ratio of the substances IS as follows: 1.1:1.20:0.80:0.3:0.20:0.65:0.2:0.55.
The foaming agent is prepared by mixing OBSH and AC3000 in a weight ratio of 2.5: 1.
The hygroscopic agent is Kezadol GR
The preparation method of the foaming flame-retardant material for the sealing strip by adopting the formula comprises the following specific steps:
(1) first-stage mixing: 30 parts of ethylene propylene diene monomer, 1.6 parts of activator, 0.63 part of stearic acid and 1.2 parts of protective agent are put into an internal mixer for plastication for 120 seconds, 15 parts of flame retardant is put into the internal mixer for mixing for 240 seconds, 18 parts of paraffin oil and 20 parts of carbon black YF501 are put into the internal mixer for mixing for 320 seconds and 340 seconds, and blanking is carried out; wherein the working parameters of the internal mixer are as follows: the glue feeding temperature is less than 45 ℃, the blanking temperature is 125-;
(2) and (3) sheet discharging: discharging the materials by an internal mixer, turning the materials for 2-3 minutes in a 22-inch open mill, discharging the materials, cooling the materials to room temperature by a fan, collecting the materials, and adjusting the room temperature for 4 hours; the storage condition of the rubber material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 4 hours to 30 days;
(3) and (3) second-stage mixing: adding 50% of first-section master batch, 1.6 parts of vulcanizing agent, 0.8 part of foaming agent and 1.2 parts of moisture absorbent into an internal mixer for mixing for 20-30 seconds, adding the remaining 50% of first-section master batch, continuously mixing for 30 seconds, performing plug lifting once every 30 seconds in the middle, and blanking at 80-85 ℃; the working parameters of the internal mixer are as follows: the pressure is 0.5-0.6MPa, the rotating speed is 30 r/min, the capacity is 63-64KG, the glue feeding temperature is less than 40 ℃, the cooling water pressure is more than 0.1MPa, and the water temperature is 14-18 ℃;
(4) receiving: after the two-stage rubber compound is discharged, turning over the material for 2-3 minutes in a 22-inch open mill, cooling the material to room temperature by a fan, and collecting the material to obtain the foaming flame-retardant material for the sealing strip; the storage condition of the sizing material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 8 hours to 5 days.
The properties of the resulting minifoams are shown in Table 1
Table 1 performance test data:
example 2
A foaming flame-retardant material for a sealing strip is prepared from the following raw materials in parts by weight:
ethylene propylene diene monomer: 34 parts of YF501 carbon black, 24 parts of 2280 paraffin oil: 24 parts, flame retardant: 19 parts, active agent: 1.6 parts, stearic acid: 0.63 part, polyethylene glycol: 0.63 part, protective agent: 2 parts, vulcanizing agent: 1.6 parts, foaming agent: 1.2 parts, moisture absorbent: 1.8 parts;
the ethylene propylene diene monomer is Keltan 9950
The YF501 carbon black is a yunwei flying tiger
The flame retardant is prepared by mixing halogen-free flame retardant FR201 and F2 flame retardant of Shanghai diligent general industries, Ltd in a weight ratio of 100: 12.
The active agent is zinc oxide
The protective agent is a mixture of an anti-aging agent MB, an anti-aging agent 445, a mildew preventive JL-1069 mildew preventive of the beauty chemical company Limited in Fushan City and microcrystalline wax, and the total weight ratio of the materials is as follows: 1:1:2:1
The vulcanizing agent IS a mixture of insoluble sulfur IS 90 and vulcanization accelerators M, DTDM, BZ, TDEC, EZ, DM and NA-22, and the mixing weight ratio of the substances IS as follows: 1.1:1.20:0.80:0.3:0.20:0.65:0.2:0.55.
The foaming agent is prepared by mixing OBSH and AC3000 in a weight ratio of 3.0: 1. The hygroscopic agent is Kezadol GR
The process was followed as in example 1 and the properties of the resulting foamed flame retardant material are shown in Table 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A foaming flame-retardant material for a sealing strip is prepared from the following raw materials in parts by weight: ethylene propylene diene monomer: 30-34 parts of YF501 carbon black, 20-24 parts of 2280 parts of paraffin oil: 18-24 parts of flame retardant: 15-19 parts of an active agent: 1.6 parts, stearic acid: 0.63 part, polyethylene glycol: 0.63 part, protective agent: 1.2-2 parts of vulcanizing agent: 1.6 parts, foaming agent: 0.8-1.2 parts of moisture absorbent: 1.2 to 1.8 portions.
2. The material of claim 1 wherein said ethylene propylene diene monomer is Keltan 9950.
3. The material of claim 1, wherein said YF501 carbon black is yunweihu.
4. The material of claim 1, wherein the flame retardant is prepared by mixing halogen-free flame retardant FR201 of Shanghai diligent Kogyo Co., Ltd and F2 flame retardant at a weight ratio of 100: 12.
5. The material of claim 1, wherein the active agent is zinc oxide.
6. The material as claimed in claim 1, wherein the protective agent is a mixture of an anti-aging agent MB, an anti-aging agent 445, a mildew preventive agent JL-1069 from Liangshan City, and microcrystalline wax, and the total weight ratio of the materials is as follows: 1:1:2:1.
7. The material of claim 1, wherein the vulcanizing agent IS a mixture of insoluble sulfur IS 90 and vulcanization accelerators M, DTDM, BZ, TDEC, EZ, DM, NA-22, the mixing weight ratio of each substance being 1.1:1.20:0.80:0.3:0.20:0.65:0.2: 0.55.
8. The material of claim 1, wherein the blowing agent is OBSH mixed with a blowing agent AC3000 in a weight ratio of 2.5-3.0: 1.
9. The material of claim 1, wherein the hygroscopic agent is Kezadol GR.
10. A method for preparing the foaming flame-retardant material as defined in any one of claims 1-9, comprising the following steps:
(1) first-stage mixing: 30-34 parts of ethylene propylene diene monomer, 1.6 parts of activator, 0.63 part of stearic acid and 1.2-2 parts of protective agent are put into an internal mixer for plastication for 120 seconds, 15-19 parts of flame retardant are put for mixing for 240 seconds, 18-24 parts of paraffin oil and 20-24 parts of carbon black YF501 are put for mixing for 320 seconds, and blanking is carried out; wherein the working parameters of the internal mixer are as follows: the glue feeding temperature is less than 45 ℃, the blanking temperature is 125-;
(2) and (3) sheet discharging: discharging the materials by an internal mixer, turning the materials for 2-3 minutes in a 22-inch open mill, discharging the materials, cooling the materials to room temperature by a fan, collecting the materials, and adjusting the room temperature for 4 hours; the storage condition of the rubber material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 4 hours to 30 days;
(3) and (3) second-stage mixing: adding 50% of first-section master batch, 1.6 parts of vulcanizing agent, 0.8-1.2 parts of foaming agent and 1.2-1.8 parts of moisture absorbent into an internal mixer for mixing for 20-30 seconds, adding the remaining 50% of first-section master batch, continuously mixing for 30 seconds, performing plug lifting once every 30 seconds in the middle, and blanking at 80-85 ℃; the working parameters of the internal mixer are as follows: the pressure is 0.5-0.6MPa, the rotating speed is 30 r/min, the capacity is 63-64KG, the glue feeding temperature is less than 40 ℃, the cooling water pressure is more than 0.1MPa, and the water temperature is 14-18 ℃;
(4) receiving: after the two-stage rubber compound is discharged, turning over the material for 2-3 minutes in a 22-inch open mill, cooling the material to room temperature by a fan, and collecting the material to obtain the foaming flame-retardant material for the sealing strip; the storage condition of the sizing material is that the temperature is 23 +/-3 ℃, the humidity is 50 +/-5%, and the service life is 8 hours to 5 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811461116.XA CN111253684A (en) | 2018-12-01 | 2018-12-01 | Foaming flame-retardant material for sealing strip |
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| CN201811461116.XA CN111253684A (en) | 2018-12-01 | 2018-12-01 | Foaming flame-retardant material for sealing strip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912953A (en) * | 2021-10-29 | 2022-01-11 | 宜兴市玛斯特新型材料有限公司 | Foaming material and method for preparing rubber foaming plate by using same |
| CN115093647A (en) * | 2022-06-16 | 2022-09-23 | 佛山市美润橡塑科技发展有限公司 | EPDM flame-retardant foaming sealing strip for energy product line cabinet |
| CN115093649A (en) * | 2022-08-05 | 2022-09-23 | 创斯达科技集团(中国)有限责任公司 | Flame-retardant waterproof sealing strip for safety box and preparation method thereof |
-
2018
- 2018-12-01 CN CN201811461116.XA patent/CN111253684A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912953A (en) * | 2021-10-29 | 2022-01-11 | 宜兴市玛斯特新型材料有限公司 | Foaming material and method for preparing rubber foaming plate by using same |
| CN115093647A (en) * | 2022-06-16 | 2022-09-23 | 佛山市美润橡塑科技发展有限公司 | EPDM flame-retardant foaming sealing strip for energy product line cabinet |
| CN115093649A (en) * | 2022-08-05 | 2022-09-23 | 创斯达科技集团(中国)有限责任公司 | Flame-retardant waterproof sealing strip for safety box and preparation method thereof |
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Application publication date: 20200609 |