CN112194826A - Heat-resistant rubber composition and preparation method thereof - Google Patents

Heat-resistant rubber composition and preparation method thereof Download PDF

Info

Publication number
CN112194826A
CN112194826A CN202011124339.4A CN202011124339A CN112194826A CN 112194826 A CN112194826 A CN 112194826A CN 202011124339 A CN202011124339 A CN 202011124339A CN 112194826 A CN112194826 A CN 112194826A
Authority
CN
China
Prior art keywords
parts
heat
rubber composition
resistant
filler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011124339.4A
Other languages
Chinese (zh)
Inventor
刘伟
刘筠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Chengxi New Material Technology Co ltd
Original Assignee
Nanjing Chengxi New Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Chengxi New Material Technology Co ltd filed Critical Nanjing Chengxi New Material Technology Co ltd
Priority to CN202011124339.4A priority Critical patent/CN112194826A/en
Publication of CN112194826A publication Critical patent/CN112194826A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • 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
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a heat-resistant rubber composition and a preparation method thereof. The heat-resistant additive comprises 1-3 parts of montmorillonite, 10-15 parts of calcium silicate, 8-10 parts of sodium stearate, 8-10 parts of zinc oxide, 10-20 parts of carbon black, 5-15 parts of waste ceramic powder, 3-10 parts of alumina trihydrate, 2-5 parts of zinc borate, 5-10 parts of zinc metaborate and 10-20 parts of tetrabromobutane. The invention has the advantages that: montmorillonite, calcium silicate, sodium stearate, zinc oxide, waste ceramic powder, alumina trihydrate, zinc borate, zinc metaborate and tetrabromobutane which are used as fillers are mixed, and the waste ceramic powder is used as a connecting medium to firmly connect all the components of the fillers together to form a connecting net, so that the strength and the heat resistance of the rubber are improved.

Description

Heat-resistant rubber composition and preparation method thereof
Technical Field
The invention relates to the field of rubber production, in particular to a heat-resistant rubber composition and a preparation method thereof.
Background
The rubber products refer to various rubber products produced by using natural and synthetic rubbers as raw materials, and also include rubber products produced by recycling waste rubbers. Commercially common rubber products are such as: rubber gloves, rubber pad or rubber seal, mainly used is waterproof, prevent electricity and sealing effect, however, in the special operation environment of high temperature, also need use the rubber product occasionally, the rubber product of this moment need have high temperature resistance, and easy to operate, however, general rubber product is softened easily after meeting high temperature, cause the injury easily to user or other article with the contact of rubber product, consequently, need a stability strong, high strength, high temperature resistant heat-resisting rubber, could satisfy high temperature operational environment's needs.
Disclosure of Invention
In order to overcome at least part of defects in the prior art, the embodiment of the invention provides a heat-resistant rubber composition and a preparation method thereof, and the produced rubber composition has the characteristics of high strength and high temperature resistance and can meet the working requirement of a high-temperature environment.
The embodiment of the application discloses: a heat-resistant rubber composition comprises rubber, a filler, a plasticizer and an anti-aging agent, wherein the rubber comprises 600 parts of 300-one acrylonitrile-butadiene rubber, 400 parts of 200-one ethylene-propylene-non-conjugated diene rubber and 500 parts of 200-one styrene-butadiene rubber, the filler comprises a heat-resistant additive, a cross-linking agent, an inhibitor and a filler which are subjected to surface treatment by a silane coupling agent, and the heat-resistant additive comprises 1-3 parts of montmorillonite, 10-15 parts of calcium silicate, 8-10 parts of sodium stearate, 8-10 parts of zinc oxide, 10-20 parts of carbon black, 5-15 parts of waste ceramic powder, 3-10 parts of alumina trihydrate, 2-5 parts of zinc borate, 5-10 parts of zinc metaborate and 10-20 parts of tetrabromobutane.
Further, the inhibitor is one or more of diallyl maleate, diethyl fumarate, 3-methyl-1-alkyne-3-ol and ethynl cyclohexanol.
Further, the anti-aging agent includes 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer and/or 2-mercaptobenzimidazole.
Further, the filler comprises one or more of clay, silicate, talc and carbonate in combination, and the filler accounts for 5% -10% of the filler.
Further, the crosslinking agent comprises 50 parts of HDPE, 50 parts of LLDPE, 0.5-2 parts of A151, 0.5-1 part of DCP and 0.5 part of dibutyltin dilaurate, and the crosslinking agent accounts for 0.2-1% of the filling agent.
Further, the heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane.
In the above examples, the mass ratio of the rubber, the filler, the plasticizer and the age resistor was 10:2:1: 1.
A processing method of a heat-resistant rubber composition is used for processing the heat-resistant rubber composition and comprises the following steps:
s1, first mixing: 600 parts of acrylonitrile-butadiene rubber, 400 parts of ethylene-propylene-non-conjugated diene rubber and 2500 parts of styrene-butadiene rubber degree polyethylene are placed in an internal mixer for primary mixing according to the mass parts, and a primary mixed material is obtained;
s2, second mixing: uniformly stirring the filler, the plasticizer and the anti-aging agent, and then adding the mixture into the primary mixed material for secondary mixing to obtain a heat-resistant rubber mixed liquid;
s3, cooling and forming: and after the heat-resistant rubber mixing liquid is formed, obtaining the heat-resistant rubber composition.
Further, in the second mixing step, the mixing of the filler, the plasticizer and the anti-aging agent is performed in a mixer at a mixing speed of 3000 and 6000 rpm for 45 min.
The invention has the following beneficial effects: according to the heat-resistant rubber composition, the added waste ceramic powder plays a role in skeleton connection, the strength of a rubber product can be enhanced, meanwhile, after montmorillonite, calcium silicate, sodium stearate, zinc oxide, waste ceramic powder, alumina trihydrate, zinc borate, zinc metaborate and tetrabromobutane which are used as fillers are mixed, the waste ceramic powder is used as a connecting medium, all components of the fillers are firmly connected together to form a connecting net, and the connecting net is fully mixed with acrylonitrile-butadiene rubber, ethylene-propylene-non-conjugated diene rubber and styrene-butadiene rubber polyethylene, so that the strength and the heat resistance of the rubber are improved;
in addition, the A151 is used as a crosslinking agent, the DCP is used as a grafting initiator, and the dibutyltin dilaurate is used as a grafting catalyst, so that the connection effect among all the components of the plastic rubber composition can be improved, and the stability and the heat resistance of the rubber composition are improved.
In order to make the aforementioned and other objects, features and advantages of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In a preferred embodiment of the present invention, a method for processing a heat-resistant rubber composition comprises the steps of:
s1, first mixing: 600 parts of acrylonitrile-butadiene rubber, 400 parts of ethylene-propylene-non-conjugated diene rubber and 2500 parts of styrene-butadiene rubber degree polyethylene are placed in an internal mixer for one-time mixing according to the mass parts, and a one-time mixing material is obtained. The heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane. The inhibitor is one or more of diallyl maleate, diethyl fumarate, 3-methyl-1-alkyne-3-alcohol and ethynl cyclohexanol. The anti-aging agent comprises 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer and/or 2-mercaptobenzimidazole. The filler comprises one or more of clay, silicate, talcum and carbonate, and accounts for 5% -10% of the filler. The cross-linking agent comprises 50 parts of HDPE, 50 parts of LLDPE, 0.5-2 parts of A151, 0.5-1 part of DCP and 0.5 part of dibutyltin dilaurate, and the cross-linking agent accounts for 0.2-1% of the filling agent. The heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane. The mass ratio of the rubber, the filler, the plasticizer and the anti-aging agent is 10:2:1
S2, second mixing: uniformly stirring the filler, the plasticizer and the anti-aging agent in a stirrer at the stirring speed of 3000-6000 rpm for 45min, and then adding the mixture into the primary mixed material for secondary mixing to obtain a heat-resistant rubber mixed liquid;
s3, cooling and forming: and after the heat-resistant rubber mixing liquid is formed, obtaining the heat-resistant rubber composition.
Example 2
S1, first mixing: 600 parts of acrylonitrile-butadiene rubber, 400 parts of ethylene-propylene-non-conjugated diene rubber and 2500 parts of styrene-butadiene rubber degree polyethylene are placed in an internal mixer for one-time mixing according to the mass parts, and a one-time mixing material is obtained. The heat-resistant additive comprises 1 part of montmorillonite, 10 parts of calcium silicate, 8 parts of sodium stearate, 8 parts of zinc oxide, 10 parts of carbon black, 5 parts of waste ceramic powder, 3 parts of alumina trihydrate, 2 parts of zinc borate, 5 parts of zinc metaborate and 10 parts of tetrabromobutane. The inhibitor is one or more of diallyl maleate, diethyl fumarate, 3-methyl-1-alkyne-3-alcohol and ethynl cyclohexanol. The anti-aging agent comprises 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer and/or 2-mercaptobenzimidazole. The filler comprises one or more of clay, silicate, talcum and carbonate, and accounts for 5% -10% of the filler. The cross-linking agent comprises 50 parts of HDPE, 50 parts of LLDPE, 0.5-2 parts of A151, 0.5-1 part of DCP and 0.5 part of dibutyltin dilaurate, and the cross-linking agent accounts for 0.2-1% of the filling agent. The heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane. The mass ratio of the rubber, the filler, the plasticizer and the anti-aging agent is 10:2:1: 1.
S2, second mixing: uniformly stirring the filler, the plasticizer and the anti-aging agent in a stirrer at the stirring speed of 3000-6000 rpm for 45min, and then adding the mixture into the primary mixed material for secondary mixing to obtain a heat-resistant rubber mixed liquid;
s3, cooling and forming: and after the heat-resistant rubber mixing liquid is formed, obtaining the heat-resistant rubber composition.
Example 3
S1, first mixing: 600 parts of acrylonitrile-butadiene rubber, 400 parts of ethylene-propylene-non-conjugated diene rubber and 2500 parts of styrene-butadiene rubber degree polyethylene are placed in an internal mixer for one-time mixing according to the mass parts, and a one-time mixing material is obtained. The heat-resistant additive comprises 3 parts of montmorillonite, 15 parts of calcium silicate, 10 parts of sodium stearate, 10 parts of zinc oxide, 20 parts of carbon black, 15 parts of waste ceramic powder, 10 parts of alumina trihydrate, 5 parts of zinc borate, 10 parts of zinc metaborate and 20 parts of tetrabromobutane. The inhibitor is one or more of diallyl maleate, diethyl fumarate, 3-methyl-1-alkyne-3-alcohol and ethynl cyclohexanol. The anti-aging agent comprises 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer and/or 2-mercaptobenzimidazole. The filler comprises one or more of clay, silicate, talcum and carbonate, and accounts for 5% -10% of the filler. The cross-linking agent comprises 50 parts of HDPE, 50 parts of LLDPE, 0.5-2 parts of A151, 0.5-1 part of DCP and 0.5 part of dibutyltin dilaurate, and the cross-linking agent accounts for 0.2-1% of the filling agent. The heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane. The mass ratio of the rubber, the filler, the plasticizer and the anti-aging agent is 10:2:1: 1.
S2, second mixing: uniformly stirring the filler, the plasticizer and the anti-aging agent in a stirrer at the stirring speed of 3000-6000 rpm for 45min, and then adding the mixture into the primary mixed material for secondary mixing to obtain a heat-resistant rubber mixed liquid;
s3, cooling and forming: and after the heat-resistant rubber mixing liquid is formed, obtaining the heat-resistant rubber composition.
The following statistics of the main constituents of the rubber compositions of the three examples are listed below:
example 1 Example 2 Example 3
Montmorillonite clay 2 1 3
Calcium silicate 12 10 15
Sodium stearate 9 8 10
Zinc oxide 9 8 10
Carbon black 15 10 20
Waste ceramic powder 10 5 15
Alumina trihydrate 8 3 10
Zinc borate 4 2 5
Zinc metaborate 8 5 10
Tetrabromobutane 15 10 20
The following rubber compositions in the prior art and the three examples of the invention were respectively placed in an environment of 220 ℃ and 250 ℃ for 50 hours, and then the properties were measured, and the results of the heat resistance measurement are listed below:
Figure RE-GDA0002816315640000051
from the above two tables, it is apparent that the heat resistance of the rubber composition can be significantly improved by the heat-resistant additive of the present invention, and when the heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate, and 15 parts of tetrabromobutane, the heat resistance of the rubber composition is the best. When the amount of the heat-resistant additive is larger or smaller in the filler, the heat-resistant property of the rubber composition is lowered.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (9)

1. A heat-resistant rubber composition characterized by: the rubber comprises 600 parts of 300-one-phase acrylonitrile-butadiene rubber, 400 parts of 200-one-phase ethylene-propylene-non-conjugated diene rubber and 500 parts of 200-one-phase styrene-butadiene rubber, wherein the filler comprises a heat-resistant additive, a cross-linking agent, an inhibitor and a filler which are subjected to surface treatment by a silane coupling agent, and the heat-resistant additive comprises 1-3 parts of montmorillonite, 10-15 parts of calcium silicate, 8-10 parts of sodium stearate, 8-10 parts of zinc oxide, 10-20 parts of carbon black, 5-15 parts of waste ceramic powder, 3-10 parts of alumina trihydrate, 2-5 parts of zinc borate, 5-10 parts of zinc metaborate and 10-20 parts of tetrabromobutane.
2. The heat-resistant rubber composition according to claim 1, wherein the inhibitor is a combination of one or more of diallyl maleate, diethyl fumarate, 3-methyl-1-yn-3-ol, and ethynylcyclohexanol.
3. The heat-resistant rubber composition according to claim 1, wherein the age resistor comprises 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer and/or 2-mercaptobenzimidazole.
4. The heat resistant rubber composition of claim 1, wherein the filler comprises a combination of one or more of clay, silicate, talc, carbonate, and the filler comprises 5% to 10% of the filler.
5. The heat-resistant rubber composition according to claim 1, characterized in that: the cross-linking agent comprises 50 parts of HDPE, 50 parts of LLDPE, 0.5-2 parts of A151, 0.5-1 part of DCP and 0.5 part of dibutyltin dilaurate, and the cross-linking agent accounts for 0.2-1% of the filling agent.
6. The heat-resistant rubber composition according to claim 1, wherein the heat-resistant additive comprises 2 parts of montmorillonite, 12 parts of calcium silicate, 9 parts of sodium stearate, 9 parts of zinc oxide, 15 parts of carbon black, 10 parts of waste ceramic powder, 8 parts of alumina trihydrate, 4 parts of zinc borate, 8 parts of zinc metaborate and 15 parts of tetrabromobutane.
7. The heat-resistant rubber composition according to claim 1, wherein the mass ratio of the rubber, the filler, the plasticizer and the age resistor is 10:2:1: 1.
8. A method for processing a heat-resistant rubber composition according to any one of claims 1 to 7, comprising the steps of:
s1, first mixing: 600 parts of acrylonitrile-butadiene rubber, 400 parts of ethylene-propylene-non-conjugated diene rubber and 2500 parts of styrene-butadiene rubber degree polyethylene are placed in an internal mixer for primary mixing according to the mass parts, and a primary mixed material is obtained;
s2, second mixing: uniformly stirring the filler, the plasticizer and the anti-aging agent, and then adding the mixture into the primary mixed material for secondary mixing to obtain a heat-resistant rubber mixed liquid;
s3, cooling and forming: and after the heat-resistant rubber mixing liquid is formed, obtaining the heat-resistant rubber composition.
9. The method for processing a heat-resistant rubber composition according to claim 8, wherein: in the second mixing step, the filler, the plasticizer and the anti-aging agent are stirred in a stirrer at the stirring speed of 3000-6000 rpm for 45 min.
CN202011124339.4A 2020-10-20 2020-10-20 Heat-resistant rubber composition and preparation method thereof Withdrawn CN112194826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011124339.4A CN112194826A (en) 2020-10-20 2020-10-20 Heat-resistant rubber composition and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011124339.4A CN112194826A (en) 2020-10-20 2020-10-20 Heat-resistant rubber composition and preparation method thereof

Publications (1)

Publication Number Publication Date
CN112194826A true CN112194826A (en) 2021-01-08

Family

ID=74009464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011124339.4A Withdrawn CN112194826A (en) 2020-10-20 2020-10-20 Heat-resistant rubber composition and preparation method thereof

Country Status (1)

Country Link
CN (1) CN112194826A (en)

Similar Documents

Publication Publication Date Title
CN109251464B (en) SEBS composite foam material
CN108484803B (en) Silane-terminated polymer and moisture-cured adhesive composition prepared from same
CN103980620B (en) High-temperature resistant and flame-retardant convey belt coating layer rubber material and preparation method thereof
TW201211127A (en) Thiobis phenolic antioxidant/polyethylene glycol blends
KR100878877B1 (en) Composition for making rubber gasket for the plate type heat exchanger and method for making the gasket in use of the compositon
CN105778227A (en) Anti-cracking waterproof high-performance asphalt cable material and preparing method thereof
CN110862693B (en) Bi-component liquid silicone rubber with ultralow compression set rate for foam
GB2610017A (en) Preparation method of ethylene propylene rubber (EPR) powder-based ethylene-vinyl acetate (EVA) anti-aging thermoplastic elastomer (TPE) seal for water pipe
CN113462067A (en) Halogen-free flame-retardant EVA cable material composite material and preparation method thereof
JP5303090B2 (en) Elastic resin composition
JPH0649310A (en) Rubber composition
CN111333992A (en) TPR material for sole raw material and preparation method thereof
CN112194826A (en) Heat-resistant rubber composition and preparation method thereof
CN111777821B (en) Poly 4-methyl-1-pentene/silicone rubber thermoplastic elastomer and preparation and application thereof
CN113354949A (en) High-temperature-resistant and illumination-resistant silicon rubber material for sealing household appliance
CN110183787B (en) Rubber V-belt vulcanized rubber sleeve and production method thereof
CN105400209B (en) A kind of preparation method for the high-temperature silicon disulfide rubber that extrusion molding is enhanced with precipitated silica
CN111925602A (en) MPV modified runway particle and preparation method thereof
CN105733058A (en) Rubber seal containing modified biotite powder and preparation method of rubber seal
JP2888842B2 (en) Acrylic rubber composition
CN106084495A (en) A kind of automobile refrigeration system EPT rubber packing pad and preparation method thereof
CN114230877B (en) Blending system and mixing process of isoprene rubber and brominated butyl rubber
CN115678284A (en) Mixing silicone rubber for mixed insulator and preparation method and application thereof
WO2023045888A1 (en) Carbon dioxide copolymer composition and preparation method therefor
CN107434961A (en) A kind of insulating tape primer and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210108

WW01 Invention patent application withdrawn after publication