CN114015169A - Flame-retardant high-damping rubber and preparation method of damping cushion thereof - Google Patents
Flame-retardant high-damping rubber and preparation method of damping cushion thereof Download PDFInfo
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
Abstract
The invention is suitable for the technical field of damping materials, and provides flame-retardant high-damping rubber and a preparation method of a damping cushion thereof, wherein chlorinated butyl rubber CIIR1066, POE elastomer, white carbon black, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, age inhibitor 1076, age inhibitor 2246, zinc oxide, stearic acid, resin and DCP vulcanizing agent are adopted as ingredients to prepare the flame-retardant high-damping rubber; the damping material has the advantages of wide application temperature range, high damping factor, good flame retardance and aging resistance, and good mechanical property.
Description
Technical Field
The invention belongs to the technical field of damping materials, and particularly relates to flame-retardant high-damping rubber and a preparation method of a damping shock pad of the flame-retardant high-damping rubber.
Background
The material can generate larger internal consumption (namely high damping) due to the special viscoelasticity of the material, has light specific gravity and is easy to process, so that the material becomes a damping material which is most researched and most widely applied at present. The rubber damping material is widely applied to the fields of high-speed rails, aerospace, naval ships, automobiles, electronic appliances and the like. Particularly, the vibration and noise of a cabinet caused by the rotation of a fan in a data storage system in IT equipment such as various servers, computers, workstations, switches and the like seriously affect the service life of a hard disk, the requirement on efficient damping vibration reduction products is very urgent, and along with the complex use environment with lower temperature and higher high temperature and flame retardant requirement of the application environment of electronic equipment, extremely high requirement is provided for damping materials.
The wide-temperature-range high-damping material is required to be at least in the temperature range of minus 60-80 ℃, and the damping factor tan delta is greater than 0.3, so that the widening of the temperature range of the damping material, particularly the improvement of the damping function of the damping material in the area above room temperature, becomes a key problem for widening the application range of the damping material. Chinese invention patent CN104072883A discloses a wide temperature range damping material prepared by blending ethylene propylene diene monomer and epoxidized natural rubber, although the amount of epoxidized natural rubber can be adjusted within a wider range (-80 ℃ to 70 ℃) to have damping performance and good physical and mechanical properties; however, the maximum loss factor in the temperature range is only 0.5, and the requirement of certain damping coefficients cannot be met. The Chinese invention patent CN103113682A discloses a wide temperature range high damping material for electronic products and a preparation method thereof, wherein a supermolecular network structure is formed by the interaction between nonpolar butyl rubber, brominated p-tert-octylphenol formaldehyde resin and polar small molecular hindered phenol A060, and the temperature range can reach-60 to 100 ℃. But the material does not have UL-94 flame retardance, the maximum loss factor is less than 1.0, the tensile strength is low, and the material cannot meet the occasions with high mechanical property requirements.
Disclosure of Invention
The invention provides flame-retardant high-damping rubber and a preparation method of a damping cushion thereof, and aims to solve the problems in the prior art.
The invention is realized in such a way that, on one hand, the invention provides a flame-retardant high-damping rubber which comprises the following components in parts by weight: 6-100 parts of chlorinated butyl rubber CIIR1066-100 parts, 5-15 parts of POE elastomer, 3-10 parts of white carbon black, 20-50 parts of N990 type carbon black, 2-10 parts of No. 52 liquid paraffin, 30-50 parts of decabromodiphenylethane, 10-25 parts of antimonous oxide, 10-25 parts of zinc borate, 1-10 parts of MCA-1, 6-1-5 parts of anti-aging agent 1076-1, 2246-5 parts of anti-aging agent 2246-3-7 parts of zinc oxide, 1-3 parts of stearic acid, 50-100 parts of resin and 1.0-2 parts of DCP vulcanizing agent.
Preferably, the resin is 201 resin or 206 resin.
On the other hand, the invention also provides a preparation method of the damping shock pad, which comprises the following steps:
step S1: weighing the components of the flame-retardant high-damping rubber according to the parts by weight;
banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 3-10min at the temperature of 60-100 ℃;
step S2: respectively putting fumed silica, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 10-30min, introducing cooling water, and keeping the temperature at 100-140 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
s3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding resin and a DCP vulcanizing agent, internally mixing for 5-20min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
s4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 40-70 ℃; the thickness of a neck ring die arranged at an extrusion opening of the screw machine is adjusted to be 0.5-10 mm; attaching the extruded sheet to a PET release film, and calendering the PET release film by a two-roll calender to control the thickness to be 0.4-10 mm;
s5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 140-170 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.1-1 m/min; then carrying out gum application, winding and cutting on the damping sheet from the drum-type vulcanizing machine;
s6: and (5) carrying out die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine, and finally obtaining the required damping shock pad product.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a preparation method of flame-retardant high-damping rubber and a damping shock pad thereof, which is characterized in that chlorinated butyl rubber CIIR1066, POE elastomer, white carbon black, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, antioxidant 1076, antioxidant 2246, zinc oxide, stearic acid, resin and DCP vulcanizing agent are adopted as ingredients to prepare the flame-retardant high-damping rubber, and the invention optimizes the components and content for preparing the damping material to obtain the wide-temperature-range high-damping rubber composition with flame retardance reaching UL94-V0 level; the damping material has the advantages of wide application temperature range, high damping factor, good flame retardance and aging resistance, and good mechanical property.
Drawings
FIG. 1 is a flow chart of a method for manufacturing a damping cushion according to the present invention.
FIG. 2 is a damping spectrum of the damping material according to the first embodiment of the present invention.
FIG. 3 is a damping spectrum of the damping material of example two of the present invention.
FIG. 4 is a damping spectrum of the damping material of the third embodiment of the present invention.
FIG. 5 is a damping spectrum of the damping material of example four of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, the present embodiment provides a technical solution: the flame-retardant high-damping rubber and the preparation method of the damping cushion thereof are disclosed, wherein the flame-retardant high-damping rubber comprises the following components in parts by weight:
6-100 parts of chlorinated butyl rubber CIIR1066, 10 parts of POE elastomer, 5 parts of white carbon black, 30 parts of N990 type carbon black, 2 parts of No. 52 liquid paraffin, 40 parts of decabromodiphenylethane, 20 parts of antimony trioxide, 20 parts of zinc borate, 2 parts of MCA, 6-2 parts of anti-aging agent 1076, 2246-1 parts of anti-aging agent, 5 parts of zinc oxide, 2 parts of stearic acid, 50 parts of 201 resin and 1.3 parts of DCP vulcanizing agent.
The preparation method of the damping rubber and the damping shock pad thereof comprises the following steps:
s1: banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 5min at 80 ℃;
s2: respectively putting fumed silica, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 20min, introducing cooling water, and keeping the temperature at 130 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
s3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding 201 resin and a DCP vulcanizing agent, internally mixing for 10min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
s4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 50 ℃; screw thread
The thickness of a neck ring mold arranged at an extrusion opening of the rod machine is adjusted to be 0.5 mm; attaching the extruded sheet to a PET release film and passing through
The thickness of the two-roller calender is controlled to be 0.4 mm;
s5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 150 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.5 m/min; and then carrying out gum application, winding and cutting on the damping sheet material coming out of the drum-type vulcanizing machine.
S6: and D, performing die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine to finally obtain the damping shock pad capable of being used on the hard disk. And its damping spectrum is shown in fig. 2.
Example 2
Referring to fig. 1, the present embodiment provides a technical solution: the flame-retardant high-damping rubber and the preparation method of the damping cushion thereof are disclosed, wherein the flame-retardant high-damping rubber comprises the following components in parts by weight:
6-100 parts of chlorinated butyl rubber CIIR1066, 5 parts of POE elastomer, 3 parts of white carbon black, 30 parts of N990 type carbon black, 8 parts of No. 52 liquid paraffin, 30 parts of decabromodiphenylethane, 15 parts of antimony trioxide, 15 parts of zinc borate, 10 parts of MCA, 6-2 parts of anti-aging agent 1076, 2246-1 parts of anti-aging agent, 5 parts of zinc oxide, 2 parts of stearic acid, 80 parts of 201 resin and 1.3 parts of DCP vulcanizing agent.
The preparation method of the damping rubber and the damping shock pad thereof comprises the following steps:
step S1: banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 5min at 80 ℃;
step S2: respectively putting fumed silica, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 20min, introducing cooling water, and keeping the temperature at 125 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
step S3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding 201 resin and a DCP vulcanizing agent, internally mixing for 8min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
step S4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 55 ℃; the thickness of a neck ring die arranged at an extrusion opening of the screw machine is adjusted to be 0.5 mm; and attaching the extruded sheet to a PET release film, and calendering by a two-roll calender to control the thickness to be 0.4 mm.
Step S5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 155 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.7 m/min; and then carrying out gum application, winding and cutting on the damping sheet material coming out of the drum-type vulcanizing machine.
Step S6: and D, performing die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine to finally obtain the damping shock pad capable of being used on the hard disk. And its damping spectrum is shown in fig. 3.
Example 3
Referring to fig. 1, the present embodiment provides a technical solution: the flame-retardant high-damping rubber and the preparation method of the damping cushion thereof are disclosed, wherein the flame-retardant high-damping rubber comprises the following components in parts by weight:
6-100 parts of chlorinated butyl rubber CIIR1066, 5 parts of POE elastomer, 5 parts of white carbon black, 30 parts of N990 type carbon black, 2 parts of No. 52 liquid paraffin, 30 parts of decabromodiphenylethane, 15 parts of antimony trioxide, 15 parts of zinc borate, 10 parts of MCA, 6-1 parts of anti-aging agent 1076, 2246-2 parts of anti-aging agent, 5 parts of zinc oxide, 2 parts of stearic acid, 50 parts of 206 resin and 1.3 parts of DCP vulcanizing agent.
The preparation method of the damping rubber and the damping shock pad thereof comprises the following steps:
step S1: banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 5min at 80 ℃;
step S2: respectively putting fumed silica, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 20min, introducing cooling water, and keeping the temperature at 130 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
step S3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding 201 resin and a DCP vulcanizing agent, internally mixing for 10min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
step S4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 50 ℃; the thickness of a neck ring die arranged at an extrusion opening of the screw machine is adjusted to be 0.5 mm; and attaching the extruded sheet to a PET release film, and calendering by a two-roll calender to control the thickness to be 0.4 mm.
Step S5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 155 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.5 m/min; and then carrying out gum application, winding and cutting on the damping sheet material coming out of the drum-type vulcanizing machine.
Step S6: and D, performing die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine to finally obtain the damping shock pad capable of being used on the hard disk. And its damping spectrum is shown in fig. 4.
Example 4
Referring to fig. 1, the present embodiment provides a technical solution: the flame-retardant high-damping rubber and the preparation method of the damping cushion thereof are disclosed, wherein the flame-retardant high-damping rubber comprises the following components in parts by weight: .
6-100 parts of chlorinated butyl rubber CIIR1066, 5 parts of POE elastomer, 3 parts of white carbon black, 30 parts of N990 type carbon black, 4 parts of No. 52 liquid paraffin, 35 parts of decabromodiphenylethane, 15 parts of antimony trioxide, 25 parts of zinc borate, 2 parts of MCA, 6-1 parts of anti-aging agent, 2246-2 parts of anti-aging agent, 5 parts of zinc oxide, 2 parts of stearic acid, 60 parts of 206 resin and 1.3 parts of DCP vulcanizing agent.
The preparation method of the damping rubber and the damping shock pad thereof comprises the following steps:
step S1: banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 5min at 80 ℃;
step S2: respectively putting fumed silica, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 20min, introducing cooling water, and keeping the temperature at 130 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
step S3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding 201 resin and a DCP vulcanizing agent, internally mixing for 10min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
step S4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 60 ℃; the thickness of a neck ring die arranged at an extrusion opening of the screw machine is adjusted to be 0.5 mm; and attaching the extruded sheet to a PET release film, and calendering by a two-roll calender to control the thickness to be 0.4 mm.
Step S5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 160 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.7 m/min; and then carrying out gum application, winding and cutting on the damping sheet material coming out of the drum-type vulcanizing machine.
Step S6: and D, performing die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine to finally obtain the damping shock pad capable of being used on the hard disk. And its damping spectrum is shown in fig. 5.
Comparative example 1
The comparative example provides chlorinated butyl damping rubber which comprises the following components in parts by weight:
6-100 parts of chlorinated butyl rubber CIIR1066, 3 parts of white carbon black, 35 parts of N990 type carbon black, 5 parts of zinc oxide, 2 parts of stearic acid, 40 parts of 201 resin and 1.5 parts of DCP vulcanizing agent.
The preparation method of the damping rubber and the damping shock pad thereof comprises the following steps:
step S1: banburying chlorinated butyl rubber CIIR1066 in an internal mixer for 5min at 80 ℃;
step S2: respectively adding fumed silica, N990 type carbon black, zinc oxide and stearic acid into an internal mixer, continuously mixing for 20min, introducing cooling water, and keeping the temperature at 130 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
step S3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding 201 resin and a DCP vulcanizing agent, internally mixing for 10min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
step S4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 50 ℃; the thickness of a neck ring die arranged at an extrusion opening of the screw machine is adjusted to be 0.5 mm; and attaching the extruded sheet to a PET release film, and calendering by a two-roll calender to control the thickness to be 0.4 mm.
Step S5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 160 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.5 m/min; and then carrying out gum application, winding and cutting on the damping sheet material coming out of the drum-type vulcanizing machine.
Step S6: and D, performing die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine to finally obtain the damping shock pad.
In summary, the formulations of examples 1 to 4 of the present invention and the comparative example are shown in table 1 below, and the performance test data of the damping material with wide temperature range is shown in table 2 below.
TABLE 1 formula table of wide temperature range damping material
TABLE 2 Performance test data for wide temperature range damping materials
The damping material has good damping vibration attenuation performance and good mechanical property in a wide temperature range, and can meet the use requirement in the temperature range of-40 to 80 ℃ in the aspect of damping of hard disks; in addition, the damping material can be popularized and applied to vibration control and noise control of instrument instruments and electronic systems on airplanes, ships and vehicles, and has wide application prospect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The flame-retardant high-damping rubber is characterized in that: comprises the following components in parts by weight: 6-100 parts of chlorinated butyl rubber CIIR1066-100 parts, 5-15 parts of POE elastomer, 3-10 parts of white carbon black, 20-50 parts of N990 type carbon black, 2-10 parts of No. 52 liquid paraffin, 30-50 parts of decabromodiphenylethane, 10-25 parts of antimonous oxide, 10-25 parts of zinc borate, 1-10 parts of MCA-1, 6-1-5 parts of anti-aging agent 1076-1, 2246-5 parts of anti-aging agent 2246-3-7 parts of zinc oxide, 1-3 parts of stearic acid, 50-100 parts of resin and 1.0-2 parts of DCP vulcanizing agent.
2. The flame-retardant high-damping rubber according to claim 1, wherein: the resin is 201 resin or 206 resin.
3. A preparation method of a damping shock pad is characterized by comprising the following steps: the method comprises the following steps:
step S1: weighing the components of the flame-retardant high-damping rubber as defined in claim 1 in parts by weight;
banburying chlorinated butyl rubber CIIR1066 and POE elastomer in an internal mixer for 3-10min at 60-100 ℃;
step S2: respectively putting the gas-phase white carbon black, N990 type carbon black, No. 52 liquid paraffin, decabromodiphenylethane, antimony trioxide, zinc borate, MCA, an anti-aging agent, zinc oxide and stearic acid into an internal mixer, continuously mixing for 10-30min, introducing cooling water, and keeping the temperature at 100-140 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way;
s3: returning the cooled rubber material obtained in the step S2 to an internal mixer, adding resin and a DCP vulcanizing agent, internally mixing for 5-20min, and introducing cooling water to ensure that the temperature does not exceed 90 ℃; then the mixed rubber material is cooled to room temperature on an open mill in a rubber tapping, rolling and rolling way; obtaining the flame-retardant high-damping rubber;
s4: adding the rubber compound obtained in the step S3 into a screw extruder for extrusion, wherein the temperature of the extruder is 40-70 ℃; the thickness of a neck ring mold arranged at an extrusion opening of the screw machine is adjusted to be 0.5-10 mm; attaching the extruded sheet to a PET release film, and calendering by a two-roll calender to control the thickness to be 0.4-10 mm;
s5: continuously feeding the pressed sheet obtained in the step S4 into a drum vulcanizer for high-temperature vulcanization, wherein the vulcanization temperature is 140 ℃ and 170 ℃, the diameter of a roller of the drum vulcanizer is 1.5m, and the rotating speed is 0.1-1 m/min; then carrying out gum application, winding and cutting on the damping sheet from the drum-type vulcanizing machine;
s6: and (5) carrying out die cutting on the damping sheet rolled in the step S5 on an automatic die cutting machine, and finally obtaining the required damping shock pad product.
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