CN107177061B - Shock insulation rubber support protection rubber composition with anti-aging performance - Google Patents

Shock insulation rubber support protection rubber composition with anti-aging performance Download PDF

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CN107177061B
CN107177061B CN201710574103.2A CN201710574103A CN107177061B CN 107177061 B CN107177061 B CN 107177061B CN 201710574103 A CN201710574103 A CN 201710574103A CN 107177061 B CN107177061 B CN 107177061B
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parts
rubber
aging
agent
compound
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CN107177061A (en
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王志宏
洪嘉维
郭少得
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Guangdong Yutai Earthquake Equipment Co ltd
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Guangdong Yutai Earthquake Equipment Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00Compositions of natural rubber
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/387Borates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses an anti-aging shock insulation rubber support protection rubber composition, which comprises the following components in parts by weight: natural rubber: 75-85 parts of butadiene rubber: 5-15 parts of styrene-butadiene rubber: 6-18 parts of an anti-aging agent: 2-6 parts of vulcanizing agent: 1.6-2.8 parts of sodium carbonate: 5-12 parts of flame retardant: 3-12 parts of an antiwear agent: 10-26 parts of plasticizer: 22-35 parts of rubber softener: 0.8-1.7 parts of active agent: 2.5-4.2. The invention improves the wear resistance of the rubber, prolongs the service life of the rubber, improves the ageing property of the rubber, has good flame retardance and heat resistance, and ensures that the physical and chemical properties of the rubber are optimized and improved.

Description

Shock insulation rubber support protection rubber composition with anti-aging performance
Technical Field
The invention relates to the technical field of rubber products, in particular to a shock insulation rubber support protection rubber composition with anti-aging performance.
Background
Through the development of more than half a century, the synthetic rubber industry of China walks through a path combining domestic independent research and development with introduction of foreign advanced technology. At present, a relatively complete synthetic rubber industrial system is formed in China. Especially in recent years, with the acceleration of the tire industry, infrastructure pace and the like in China, the production capacity of the synthetic rubber in China keeps a rapidly-growing situation, and the production capacity and the consumption of the device are the first in the world. From the aspect of rubber resources, the productivity and the yield of the synthetic rubber in China are increased year by year, the self-supporting rate is greatly improved, the domestic natural rubber yield and the foreign controllable resources are further increased, and the continuous healthy development of the rubber industry in China is facilitated. In recent years, the variety structure of rubber products such as tires in China is continuously optimized, and great convenience is brought to production and life of people.
Rubber supports are one of the most common rubber products, and shock-insulating rubber supports are beginning to be widely applied to the construction industry. The most common shock-insulation rubber support is obtained by adopting a series of processing technologies such as vulcanization and the like by mutually overlapping rubber and steel plates. The periphery of the support is covered by rubber, so that the laminated rubber sheet of the inner layer of the support is isolated from external oxygen, ozone, heat and high-energy radiation, valence-variable metal ions, chemical substances, mold and the like, and the performance of the support is not influenced by external environment, so that the performance of the support is reduced. Wherein, filing date 2013.05.08, patent application number: 201310031793.9 discloses a shock-insulating rubber support protection rubber composition with excellent anti-aging performance, the anti-aging performance of the shock-insulating rubber support protection rubber composition cannot meet the use requirement of the current shock-insulating rubber support, the shock-insulating rubber support protection rubber composition is required to be further improved, and the shock-insulating rubber support protection rubber composition is easy to age, so that the shock-insulating rubber support protection rubber composition with the anti-aging performance has the technical defects of service life reduction and the like, and has a very good application prospect.
Disclosure of Invention
The invention aims to provide a shock insulation rubber support protection rubber composition with anti-aging performance, which comprises the following components in parts by weight:
natural rubber: 75-85 parts of a compound containing,
Butadiene rubber: 5-15 parts of a base material,
Styrene-butadiene rubber: 6-18 parts of a compound containing,
Anti-aging agent: 2-6 parts of a compound, wherein,
Vulcanizing agent: 1.6 to 2.8 parts of a compound,
Sodium carbonate: 5-12 parts of a base material, wherein the base material comprises,
Flame retardant: 3-12 parts of a compound of formula (I),
Wear-resistant agent: 10-26 parts of a compound, wherein the compound comprises,
And (3) a plasticizer: 22-35 parts of a compound containing,
Rubber softener: 0.8-1.7 parts of a compound,
Active agent: 2.5-4.2 parts.
Preferably, the antioxidant is a mixture of any two of the antioxidants DFL, 168, DLTP, AP and 4010.
Preferably, the proportion of the anti-aging agent is 1:1 (in mass ratio).
Preferably, the flame retardant is a mixture of aluminum hydroxide and zinc borate.
Preferably, the vulcanizing agent is one of an alkyl phenol-formaldehyde resin or a halogenated methylol phenol-formaldehyde resin.
Preferably, the antiwear agent is bis- (3-triethoxysilylpropyl) -tetrasulfide.
Compared with the prior art, the invention has the beneficial effects that: the shock-insulating rubber support protecting rubber composition adopts the combination of the phenol antioxidant and the amine antioxidant, so that the respective performance advantages can be fully exerted, the shock-insulating rubber support rubber has excellent anti-aging performance, the service life of the shock-insulating rubber support is indirectly prolonged, the vulcanizing agent is one of alkyl phenolic resin or halogenated methylol phenolic resin, the heat resistance, crack extensibility and dynamic bending performance of the rubber are improved, the wear-resistant agent is bis- (3-triethoxysilylpropyl) -tetrasulfide, the mechanical performance and wear resistance of the rubber are well improved, the flame retardant performance of the rubber can be improved by adding the flame retardant, the physical performance of a rubber product is optimized, the wear resistance of the rubber is improved, the service life of the rubber is prolonged, the ageing performance of the rubber is improved, the shock-insulating rubber support protecting rubber has good flame retardance and heat resistance, and the physicochemical performance of the rubber is optimally improved.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
The shock insulation rubber support protection rubber composition with the anti-aging performance comprises the following components in parts by weight:
Natural rubber: 75 parts of a mixture of two or more components,
Butadiene rubber: 5 parts of the components in parts by weight,
Styrene-butadiene rubber: 6 parts of the components are mixed together,
Anti-aging agent: 2 parts of the components are mixed together,
Vulcanizing agent: 1.6 parts of the total weight of the mixture,
Sodium carbonate: 5 parts of the components in parts by weight,
Flame retardant: 3 parts of the components in parts by weight,
Wear-resistant agent: 10 parts of a powder for injection,
And (3) a plasticizer: 22 parts of a powder of a mixture of two,
Rubber softener: 0.8 part of the total weight of the mixture,
Active agent: 2.5 parts of the components in parts by weight,
The antioxidant is a mixture of any two of antioxidant DFL, antioxidant 168, DLTP, antioxidant AP and antioxidant 4010.
The proportion of the anti-aging agent is 1:1 (in mass ratio).
The flame retardant is a mixture of aluminum hydroxide and zinc borate.
The vulcanizing agent is one of alkyl phenolic resin or halogenated methylol phenolic resin.
The wear-resistant agent is bis- (3-triethoxysilylpropyl) -tetrasulfide.
The following table shows the actual physical properties of the rubber of example 1 at 180℃and the test results are shown in the following table:
Detecting items National standard requirement Actual detection result
Tensile Strength (MPa) ≥14.0 19.0
Elongation at break (%) ≥600 610
Tensile Strength Change Rate (%) ±25 +3.2
Coefficient of aging 1 0.989
Hardness (Shore A degree) 35±5 38
Example 2
The shock insulation rubber support protection rubber composition with the anti-aging performance comprises the following components in parts by weight:
Natural rubber: 80 parts of the components in parts by weight,
Butadiene rubber: 10 parts of a powder for injection,
Styrene-butadiene rubber: 12 parts of the total weight of the powder,
Anti-aging agent: 4 parts of the total weight of the powder,
Vulcanizing agent: 2.1 parts of the components, namely,
Sodium carbonate: 8 parts of the components in parts by weight,
Flame retardant: 9 parts of the mixture, namely, the mixture,
Wear-resistant agent: 18 parts of a mixture of two or more components,
And (3) a plasticizer: 27 parts of a water-soluble polymer,
Rubber softener: 1.3 parts of the components, namely,
Active agent: 3.1 parts of the components, namely,
The antioxidant is a mixture of any two of antioxidant DFL, antioxidant 168, DLTP, antioxidant AP and antioxidant 4010.
The proportion of the anti-aging agent is 1:1 (in mass ratio).
The flame retardant is a mixture of aluminum hydroxide and zinc borate.
The vulcanizing agent is one of alkyl phenolic resin or halogenated methylol phenolic resin.
The wear-resistant agent is bis- (3-triethoxysilylpropyl) -tetrasulfide.
The following table shows the actual physical properties measured at 180℃for the rubber of example 2, and the test results are shown in the following table:
Detecting items National standard requirement Actual detection result
Tensile Strength (MPa) ≥14.0 20.0
Elongation at break (%) ≥600 620
Tensile Strength Change Rate (%) ±25 +5.2
Coefficient of aging 1 0.998
Hardness (Shore A degree) 35±5 39
Example 3
The shock insulation rubber support protection rubber composition with the anti-aging performance comprises the following components in parts by weight:
natural rubber: 85 parts of the total weight of the powder,
Butadiene rubber: 15 parts of a mixture of two or more components,
Styrene-butadiene rubber: 18 parts of a mixture of two or more components,
Anti-aging agent: 6 parts of the components are mixed together,
Vulcanizing agent: 2.8 parts of a powder containing,
Sodium carbonate: 12 parts of the total weight of the powder,
Flame retardant: 12 parts of the total weight of the powder,
Wear-resistant agent: 26 parts of a mixture of two or more components,
And (3) a plasticizer: 35 parts of a powder for injection,
Rubber softener: 1.7 parts of the total weight of the mixture,
Active agent: 4.2 parts of the total weight of the mixture,
The antioxidant is a mixture of any two of antioxidant DFL, antioxidant 168, DLTP, antioxidant AP and antioxidant 4010.
The proportion of the anti-aging agent is 1:1 (in mass ratio).
The flame retardant is a mixture of aluminum hydroxide and zinc borate.
The vulcanizing agent is one of alkyl phenolic resin or halogenated methylol phenolic resin.
The wear-resistant agent is bis- (3-triethoxysilylpropyl) -tetrasulfide.
The following table shows the actual physical properties of the rubber of example 3 at 180℃and the test results are shown in the following table:
Detecting items National standard requirement Actual detection result
Tensile Strength (MPa) ≥14.0 19.0
Elongation at break (%) ≥600 615
Tensile Strength Change Rate (%) ±25 +4.7
Coefficient of aging 1 0.991
Hardness (Shore A degree) 35±5 38
Taken together, the results of the tests described in connection with examples 1-3 and the related thereto demonstrate that: the shock-insulating rubber support prepared by the composition has optimized and improved performances such as tensile strength, breaking growth rate, tensile strength change rate, aging coefficient and hardness, and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A shock insulation rubber support protection rubber composition with anti-aging performance is characterized in that: the components of the composition are as follows in parts by weight:
natural rubber: 75-85 parts of a compound containing,
Butadiene rubber: 5-15 parts of a base material,
Styrene-butadiene rubber: 6-18 parts of a compound containing,
Anti-aging agent: 2-6 parts of a compound, wherein,
Vulcanizing agent: 1.6 to 2.8 parts of a compound,
Sodium carbonate: 5-12 parts of a base material, wherein the base material comprises,
Flame retardant: 3-12 parts of a compound of formula (I),
Wear-resistant agent: 10-26 parts of a compound, wherein the compound comprises,
And (3) a plasticizer: 22-35 parts of a compound containing,
Rubber softener: 0.8-1.7 parts of a compound,
Active agent: 2.5-4.2 parts.
2. The anti-aging shock-absorbing rubber support protective rubber composition according to claim 1, wherein: the antioxidant is a mixture of any two of antioxidant DFL, antioxidant 168, DLTP, antioxidant AP and antioxidant 4010.
3. The anti-aging shock-absorbing rubber support protective rubber composition according to claim 2, wherein: the proportion of the anti-aging agent is 1:1 by mass ratio.
4. The anti-aging shock-absorbing rubber support protective rubber composition according to claim 1, wherein: the flame retardant is a mixture of aluminum hydroxide and zinc borate.
5. The anti-aging shock-absorbing rubber support protective rubber composition according to claim 1, wherein: the vulcanizing agent is one of alkyl phenolic resin or halogenated methylol phenolic resin.
6. The anti-aging shock-absorbing rubber support protective rubber composition according to claim 1, wherein: the wear-resistant agent is bis- (3-triethoxysilylpropyl) -tetrasulfide.
CN201710574103.2A 2017-07-14 2017-07-14 Shock insulation rubber support protection rubber composition with anti-aging performance Active CN107177061B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103087362A (en) * 2013-01-28 2013-05-08 云南震安减震技术有限公司 Seismic isolation rubber bearing protective rubber composite with good anti-aging performance
CN103602284A (en) * 2013-11-25 2014-02-26 桂林电子科技大学 Nylon cord hanging rubber for bias aircraft tire
CN104194086A (en) * 2014-09-22 2014-12-10 安徽电气集团股份有限公司 High-heat-conductivity wear-resistant shock-reducing rubber material
CN104419023A (en) * 2013-08-22 2015-03-18 青岛蓝农谷农产品研究开发有限公司 Abrasion and pierce proof low-resistance tire rubber compound and preparation method thereof
CN105524304A (en) * 2015-12-15 2016-04-27 宁国天运橡塑制品有限公司 Wear-resistant ageing-resistant rubber sleeve for automotive steering gear bushing
CN106832448A (en) * 2017-02-22 2017-06-13 双钱集团上海轮胎研究所有限公司 A kind of tread rubber for preparing high-performance tire
CN106867044A (en) * 2017-01-05 2017-06-20 开封铁塔橡胶(集团)有限公司 High resiliency, wear-resistant, shock resistance conveyer belt and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103087362A (en) * 2013-01-28 2013-05-08 云南震安减震技术有限公司 Seismic isolation rubber bearing protective rubber composite with good anti-aging performance
CN104419023A (en) * 2013-08-22 2015-03-18 青岛蓝农谷农产品研究开发有限公司 Abrasion and pierce proof low-resistance tire rubber compound and preparation method thereof
CN103602284A (en) * 2013-11-25 2014-02-26 桂林电子科技大学 Nylon cord hanging rubber for bias aircraft tire
CN104194086A (en) * 2014-09-22 2014-12-10 安徽电气集团股份有限公司 High-heat-conductivity wear-resistant shock-reducing rubber material
CN105524304A (en) * 2015-12-15 2016-04-27 宁国天运橡塑制品有限公司 Wear-resistant ageing-resistant rubber sleeve for automotive steering gear bushing
CN106867044A (en) * 2017-01-05 2017-06-20 开封铁塔橡胶(集团)有限公司 High resiliency, wear-resistant, shock resistance conveyer belt and preparation method thereof
CN106832448A (en) * 2017-02-22 2017-06-13 双钱集团上海轮胎研究所有限公司 A kind of tread rubber for preparing high-performance tire

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