CN114249948A - Preparation method of ternary adhesive with high strength, high hardness, flame retardant and insulating properties - Google Patents
Preparation method of ternary adhesive with high strength, high hardness, flame retardant and insulating properties Download PDFInfo
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- CN114249948A CN114249948A CN202111639564.6A CN202111639564A CN114249948A CN 114249948 A CN114249948 A CN 114249948A CN 202111639564 A CN202111639564 A CN 202111639564A CN 114249948 A CN114249948 A CN 114249948A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 35
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000853 adhesive Substances 0.000 title claims description 15
- 230000001070 adhesive effect Effects 0.000 title claims description 15
- 239000006229 carbon black Substances 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004073 vulcanization Methods 0.000 claims abstract description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 12
- 229920002943 EPDM rubber Polymers 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 9
- 239000008117 stearic acid Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 239000004482 other powder Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004902 Softening Agent Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000005977 Ethylene Substances 0.000 abstract description 3
- 241001441571 Hiodontidae Species 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000004513 sizing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical group [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000009472 formulation Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
-
- 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
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A preparation method of ternary rubber with high strength, high hardness, flame retardation and insulating properties comprises the following steps of firstly selecting raw rubber with high ethylene content and low Mooney on the formula design to meet the requirements; the strength of the product is enhanced by considering the improvement of the gel content, and the white carbon black is adopted for strength reinforcement; the aims of strength change, elongation, pressure change and the like in the aging time of the physical properties of the product are that a low-sulfur high-acceleration vulcanization system is required; the product is a high-hardness product, so the content of carbon black and special filler is important to pay attention in the formula design; for the flame retardant requirement, the reasonable composition of the halogen-free flame retardant is considered in the formula design. The invention continuously tests in the whole process, and finally ensures the stability of the physical property of the sizing material through reasonable and scientific formula composition and production process, and finally effectively ensures the physical property quality of the product.
Description
Technical Field
The invention relates to a formula research and development design with special physical property requirements based on new product application requirements, in particular to a preparation method of a ternary adhesive with high strength, high hardness and flame retardant insulating property.
Background
Because of the requirements of the use place and the realization function of the product, the product must meet the requirements of high strength, high hardness, insulation, flame retardance and the like. The realization of the physical property requirement of the rubber product requires the development of a new rubber formula to meet the requirement. As a formula engineer, in the formula design, the raw rubber type with high ethylene content and low Mooney is selected at first, and meanwhile, the strength and the insulating property of the raw rubber are taken as the key points for achieving the physical properties of the formula, so the raw rubber is reinforced by adopting white carbon black; meanwhile, a vulcanization system is designed according to the goals of strength change, elongation, pressure change and the like of the product in physical property in the aging time; the product is a high-hardness product, so the design of the formula is focused on; the selection of a particular flame retardant must also be considered in the formulation to ensure its flame retardant requirements.
Disclosure of Invention
The invention mainly solves the problem of realizing the effective and stable physical property requirement of a product for producing a sizing material, and provides a preparation method of a ternary adhesive with high strength, high hardness, flame retardant and insulating properties.
In order to solve the technical problems, the invention mainly adopts the following technical scheme: the ternary adhesive with high strength, high hardness, flame retardant and insulating properties is prepared from the following raw materials in parts by mass:
EPDM 90-150 parts by mass
2. 4-10 parts by mass of zinc oxide
3. 0.1-0.8 part by mass of stearic acid
4. 1-2 parts of anti-aging agent
5 parts of white carbon black 80-120
6. 3-10 parts by mass of softener
7. 20-50 parts by mass of flame retardant
8. 2-5 parts by mass of vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
Preferably, the method comprises the following steps: the composite material is prepared from the following raw materials in parts by mass:
1.EPDM 100 parts by mass
2.5 parts by mass of zinc oxide
3. Stearic acid 0.5 part by mass
4. 1 part by mass of antioxidant
5 parts by mass of white carbon black
6. 10 parts by mass of a softener
7. 30 parts by mass of a flame retardant
8. 2.5 parts by mass of a vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
A preparation method of the ternary adhesive applying the high-strength high-hardness flame-retardant insulating property comprises the following steps:
a) carrying out reaction in an internal mixer, putting EPDM, zinc oxide, stearic acid and an anti-aging agent into the internal mixer together according to a proportion to carry out internal mixing reaction, wherein the temperature is controlled at 50-60 ℃;
b) cooling the reacted compound, adding white carbon black or carbon black, a softening agent and a flame retardant, and then waiting for stirring, wherein the temperature is controlled at 120 ℃ of 100 ℃. If the temperature is higher than 120 ℃, cooling to 120 ℃ by a physical cooling mode, and continuing stirring for reaction;
C) adding a vulcanizing agent into an open mill for open milling after fully stirring until the compound is white or black and is formed, wherein the temperature is controlled below 80 ℃;
D) cooling and preforming the open-milled product;
E) and cooling the formed compound, and putting the cooled compound into a vulcanizing machine for vulcanization to finally obtain the ternary rubber with high cost, high strength, high hardness, flame retardant and insulating properties.
Preferably, the method comprises the following steps: the temperature in the step A is controlled at 60 ℃.
Preferably, the method comprises the following steps: the temperature in the step B is controlled at 120 ℃.
Preferably, the method comprises the following steps: and the temperature in the step C is controlled at 60 ℃.
The invention has the beneficial effects that: the physical properties of the formula can meet the requirement by selecting and designing raw materials, a vulcanizing agent, an accelerant, an auxiliary agent, corresponding special fillers and the like. The stability of the physical property of the sizing material is ensured through continuous testing tests in the whole process and finally through reasonable and scientific formula composition and production process, and the physical property quality of the product is effectively ensured.
Drawings
FIG. 1 is a composition diagram of the formulation of the present invention.
Detailed Description
The invention will be described in detail below with reference to the following figures: as shown in figure 1, the ternary adhesive with high strength, high hardness, flame retardant and insulating properties is prepared from the following raw materials in parts by mass:
EPDM 90-150 parts by mass
2. 4-10 parts by mass of zinc oxide
3. 0.1-0.8 part by mass of stearic acid
4. 1-2 parts of anti-aging agent
5 parts of white carbon black 80-120
6. 3-10 parts by mass of softener
7. 20-50 parts by mass of flame retardant
8. 2-5 parts by mass of vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
Preferably, the method comprises the following steps: the composite material is prepared from the following raw materials in parts by mass:
1.EPDM 100 parts by mass
2.5 parts by mass of zinc oxide
3. Stearic acid 0.5 part by mass
4. 1 part by mass of antioxidant
5 parts by mass of white carbon black
6. 10 parts by mass of a softener
7. 30 parts by mass of a flame retardant
8. 2.5 parts by mass of a vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
A preparation method of the ternary adhesive applying the high-strength high-hardness flame-retardant insulating property comprises the following steps:
a) carrying out reaction in an internal mixer, putting EPDM, zinc oxide, stearic acid and an anti-aging agent into the internal mixer together according to a proportion to carry out internal mixing reaction, wherein the temperature is controlled at 50-60 ℃;
b) cooling the reacted compound, adding white carbon black or carbon black, a softening agent and a flame retardant, and then waiting for stirring, wherein the temperature is controlled at 120 ℃ of 100 ℃. If the temperature is higher than 120 ℃, cooling to 120 ℃ by a physical cooling mode, and continuing stirring for reaction;
C) adding a vulcanizing agent into an open mill for open milling after fully stirring until the compound is white or black and is formed, wherein the temperature is controlled below 80 ℃;
D) cooling and preforming the open-milled product;
E) and cooling the formed compound, and putting the cooled compound into a vulcanizing machine for vulcanization to finally obtain the ternary rubber with high cost, high strength, high hardness, flame retardant and insulating properties.
The temperature in the step A is controlled at 60 ℃. The temperature in the step B is controlled at 120 ℃. And the temperature in the step C is controlled at 60 ℃.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The formula of the ternary adhesive with high strength, high hardness and flame retardant insulation properties shown in the embodiment is shown in figure 1, and the basic components of the formula comprise 1 basic property, 2 heat aging requirements, 3 normal temperature pressure change, 4 high hardness, 5 insulation and 6 flame retardant requirements.
During the design of the formula, the raw rubber with high ethylene content and low Mooney is selected to meet the high-strength insulation requirement; the strength of the product is enhanced by considering the improvement of the gel content, and meanwhile, the white carbon black is adopted for strength enhancement according to the color requirement of the product, and a proper amount of carbon black is added for color matching; the aims of strength change, elongation, pressure change and the like in the aging time of the physical properties of the product are that a low-sulfur high-acceleration vulcanization system is required; the product is a high-hardness product, so the content of the white carbon black and the special filler in the product is focused during the formula design; for the flame retardant requirement, the reasonable composition of the halogen-free flame retardant aluminum hydroxide flame retardant is considered in the formula design. The data in the above tables are achieved at each step, and effective experimental tests are required to design the final effective formulation and scientific and reasonable process parameters.
The above description is not intended to limit the present invention, and the present invention is not limited to the above description, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the spirit of the present invention are considered to be within the scope of the present invention.
Claims (6)
1. The ternary adhesive with the flame-retardant and insulating properties of high strength and high hardness is characterized in that: the composite material is prepared from the following raw materials in parts by mass:
EPDM 90-150 parts by mass
2. 4-10 parts by mass of zinc oxide
3. 0.1-0.8 part by mass of stearic acid
4. 1-2 parts of anti-aging agent
5 parts of white carbon black 80-120
6. 3-10 parts by mass of softener
7. 20-50 parts by mass of flame retardant
8. 2-5 parts by mass of vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
2. The high-strength high-hardness flame-retardant insulation ternary adhesive according to claim 1, characterized in that: the composite material is prepared from the following raw materials in parts by mass:
EPDM 100 parts by mass
2.5 parts by mass of zinc oxide
3. Stearic acid 0.5 part by mass
4. 1 part by mass of antioxidant
5 parts by mass of white carbon black
6. 10 parts by mass of a softener
7. 30 parts by mass of a flame retardant
8. 2.5 parts by mass of a vulcanizing agent
The white carbon black can be replaced by carbon black or other powder preparations containing colors.
3. The preparation method of the ternary adhesive with high strength, high hardness and flame retardant insulation properties as claimed in claim 1 or 2, characterized in that: the preparation method comprises the following steps:
a) carrying out reaction in an internal mixer, putting EPDM, zinc oxide, stearic acid and an anti-aging agent into the internal mixer together according to a proportion to carry out internal mixing reaction, wherein the temperature is controlled at 50-60 ℃;
b) cooling the reacted compound, adding white carbon black or carbon black, a softening agent and a flame retardant, then waiting for stirring, controlling the temperature at 120 ℃ of 100, and if the temperature is higher than 120 ℃, cooling to 120 ℃ by a physical cooling mode, and continuing stirring for reaction;
C) adding a vulcanizing agent into an open mill for open milling after fully stirring until the compound is white or black and is formed, wherein the temperature is controlled below 80 ℃;
D) cooling and preforming the open-milled product;
E) and cooling the formed compound, and putting the cooled compound into a vulcanizing machine for vulcanization to finally obtain the ternary rubber with high cost, high strength, high hardness, flame retardant and insulating properties.
4. The method for preparing the ternary adhesive with high strength, high hardness and flame retardant insulation properties according to claim 3, wherein the temperature in the step A is controlled to be 60 ℃.
5. The method for preparing the ternary adhesive with high strength, high hardness and flame retardant insulation properties according to claim 3, wherein the temperature in the step B is controlled to be 120 ℃.
6. The method for preparing the ternary adhesive with high strength, high hardness and flame retardant insulation properties according to claim 3, wherein the temperature in the step C is controlled to be 60 ℃.
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CN202111639564.6A CN114249948A (en) | 2021-12-30 | 2021-12-30 | Preparation method of ternary adhesive with high strength, high hardness, flame retardant and insulating properties |
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CN202111639564.6A CN114249948A (en) | 2021-12-30 | 2021-12-30 | Preparation method of ternary adhesive with high strength, high hardness, flame retardant and insulating properties |
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CN114249948A true CN114249948A (en) | 2022-03-29 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106380706A (en) * | 2016-11-04 | 2017-02-08 | 南京利德东方橡塑科技有限公司 | Environment-friendly type low-smoke flame-retardant insulated rubber composition, preparation method, use and product applying composition |
CN112898689A (en) * | 2021-01-27 | 2021-06-04 | 青岛博锐智远减振科技有限公司 | Halogen-free environment-friendly flame-retardant rubber material and preparation method thereof |
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2021
- 2021-12-30 CN CN202111639564.6A patent/CN114249948A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106380706A (en) * | 2016-11-04 | 2017-02-08 | 南京利德东方橡塑科技有限公司 | Environment-friendly type low-smoke flame-retardant insulated rubber composition, preparation method, use and product applying composition |
CN112898689A (en) * | 2021-01-27 | 2021-06-04 | 青岛博锐智远减振科技有限公司 | Halogen-free environment-friendly flame-retardant rubber material and preparation method thereof |
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Application publication date: 20220329 |