CN105860163A - Environment-friendly modified natural rubber material - Google Patents

Environment-friendly modified natural rubber material Download PDF

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Publication number
CN105860163A
CN105860163A CN201610426253.4A CN201610426253A CN105860163A CN 105860163 A CN105860163 A CN 105860163A CN 201610426253 A CN201610426253 A CN 201610426253A CN 105860163 A CN105860163 A CN 105860163A
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parts
natural rubber
modified natural
accelerant
weight
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CN201610426253.4A
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陈薇
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Individual
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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
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/14—Coagulation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • 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
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three 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)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses an environment-friendly modified natural rubber material. The material is prepared from, by weight, 30-40 parts of modified natural rubber, 30-40 parts of nitrile rubber, 1-2 parts of accelerant N-cyclohexyl-2-benzothiazole sulfonamide, 3-5 parts of fluorine-containing surfactant, 1-3 parts of sulphur, 1-3 parts of accelerant M, 2-4 parts of accelerant DS, 30-40 parts of white carbon black, 20-30 parts of light calcium carbonate, 40-50 parts of ultra-fine magnesium hydroxide, 8-13 parts of aluminum triphosphate, 5-10 parts of dimethyl methyl phosphonate, 2-5 parts of calcium borate, 1-2 parts of anti-aging agent MB, 1.5-3 parts of anti-aging agent RD, 1-2 parts of naphthenic oil and 1-3 parts of stearic acid. The environment-friendly modified natural rubber material is good in ageing resistance, little in permanent compression deformation, environmentally friendly and low in cost.

Description

A kind of environment protection modification natural rubber material
The application is application number: 2014107251617, the applying date: on December 4th, 2014, denomination of invention: a kind of environmental protection changes The divisional application of property natural rubber material.
Technical field
The present invention relates to technical field of rubber material, particularly relate to a kind of environment protection modification natural rubber material.
Background technology
Elastomeric material and goods thereof are flourish at present, and it replaces the most rapidly steel, metal, cement and the sky such as timber, cotton So polymer is widely used in each department of the national economy such as industry, agricultural, military affairs, and natural rubber material is in long-term storage And acted on by heat energy, mechanical energy, luminous energy and radiation energy during using, add oxygen, ozone, moisture and variable valency metal, gold Belonging to the chemical reaction that ion participates in, rubber sleeve material engenders the deliquescing aging phenomenon becoming fragile or chapping tacky, hardening, makes Its mechanical property degenerates and even loses its original performance and cause breaking down in use process, and needs to add in preparation process Add synthetic material, and synthetic material often contains the highest halogen, substantial amounts of toxic gas can be produced in combustion, cause Harm to environment, forms grave danger to the life security of people, how to be modified natural rubber, and preparation one is resistance to always Changing performance good, mechanical property is good, and the elastomeric material of environmental protection becomes to be presently required and solves the technical problem that.
Summary of the invention
The present invention proposes a kind of environment protection modification natural rubber material, and ageing-resistant performance is good, and permanent compression set is little, ring Protect, low cost.
A kind of environment protection modification natural rubber material that the present invention proposes, its raw material includes by weight: modified natural rubber 30-40 part, nitrile rubber 30-40 part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1-2 part, fluorine-containing surfactants Agent 3-5 part, sulphur 1-3 part, captax 1-3 part, diphenylguanidine S 2-4 part, white carbon 30-40 part, precipitated calcium carbonate 20-30 Part, super fine magnesium hydroxide 40-50 part, aluminium triphosphate 8-13 part, methyl-phosphoric acid dimethyl ester 5-10 part, line borate 2-5 part, anti-old Agent MB 1-2 part, anti-aging agent RD 1.5-3 part, naphthenic oil 1-2 part, stearic acid 1-3 part；
Wherein modified natural rubber uses following technique to prepare: by 0.1-0.5 part rare earth element with 5-6 part concentration be by weight 12-15wt% sulfuric acid mixes, and then dropping to concentration is in 10-13wt% high wear-resistant carbon black suspension, drips after mixing Adding alkali lye to system pH is 8-9, then stirring at normal temperature 1-2h, is subsequently adding natural rubber, to natural rubber in system dense Degree is 15-20wt%, stirs, and then heating water bath is to 70-80 DEG C of stirring 1-1.5h, adds flocculant heavy to system appearance Shallow lake thing, filters and removes moisture removal, washs 2-4 time with distilled water, and dehydration is dried to obtain the modified natural that water content is 0.3-0.6wt% Rubber, baking temperature is 70-80 DEG C.
Preferably, in above-mentioned environment protection modification natural rubber material, modified natural rubber, the weight ratio of nitrile rubber are 30- 35:35-40.
Preferably, in above-mentioned environment protection modification natural rubber material, super fine magnesium hydroxide, aluminium triphosphate, methyl acid phosphate two The weight part ratio 40-45:8-10:8-10:2-4 of methyl esters and line borate.
Preferably, above-mentioned environment protection modification natural rubber material, its raw material includes by weight: modified natural rubber 30-35 Part, nitrile rubber 35-40 part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1.5-1.8 part, fluorine-containing surfactants Agent 3-4 part, sulphur 2-3 part, captax 2-3 part, diphenylguanidine S 2-3 part, white carbon 35-40 part, precipitated calcium carbonate 26-28 Part, super fine magnesium hydroxide 40-45 part, aluminium triphosphate 8-10 part, methyl-phosphoric acid dimethyl ester 8-10 part, line borate 2-4 part, anti-old Agent MB 1-2 part, anti-aging agent RD 1.5-3 part, naphthenic oil 1-2 part, stearic acid 1-3 part.
Preferably, above-mentioned environment protection modification natural rubber material, its raw material includes by weight: modified natural rubber 34 parts, Nitrile rubber 38 parts, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1.6 parts, fluorine-containing surfactant 3.6 parts, sulphur Sulphur 2.4 parts, captax 3 parts, diphenylguanidine S 2 parts, white carbon 38 parts, precipitated calcium carbonate 27 parts, super fine magnesium hydroxide 43 parts, Aluminium triphosphate 9 parts, methyl-phosphoric acid dimethyl ester 9 parts, line borate 3 parts, antioxidant MB 1.3 parts, anti-aging agent RD 1.8 parts, cycloalkanes Class oil 1.4 parts, stearic acid 2.5 parts.
Preferably, in above-mentioned environment protection modification natural rubber material, modified natural rubber uses following technique to prepare: by weight 0.4 part of rare earth element and 5.2 parts of concentration are that 13.5wt% sulfuric acid mixes by part, and then dropping to concentration is 12wt% high abrasion In carbon black suspension, dripping alkali lye to system pH after mixing is 8.4, and then stirring at normal temperature 1.5h is subsequently adding natural Rubber, is 18wt% to natural rubber concentration in system, stirs, and then heating water bath is to 78 DEG C of stirring 1.2h, adds wadding There is sediment in solidifying agent to system, filters and removes moisture removal, washs 3 times with distilled water, and dehydration, being dried to obtain water content is 0.5wt% Modified natural rubber, baking temperature is 74 DEG C.
In the present invention, using modified natural rubber with nitrile rubber as major ingredient, hot strength and the tear of product can be strengthened Intensity, reduces permanent deformation, and goods rubber is weather-proof, ageing-resistant performance is the most excellent, and fire-retardant, wear-resisting, heat resistance is also preferable, adopts With sulphur as vulcanizing agent, captax, diphenylguanidine S, N-cyclohexyl-2-benzothiazole sulfenamide as accelerator, and Using naphthenic oil as plasticizer, add fluorine-containing surfactant further, product mechanical strength is greatly enhanced, heat-resisting, resistance to Ageing properties further enhances, and adds appropriate super fine magnesium hydroxide as acid absorbent, and with white carbon, precipitated calcium carbonate reinforcement Filler acts on jointly, not only can reduce manufacturing cost, and the resistance to ozone of goods, heat-resisting, fire resistance good, and permanent compression set is little, Antioxidant MB, anti-aging agent RD have a preferable protective action to heat, oxygen, ozone and poisonous metal, antioxidant MB, anti-aging agent RD with Super fine magnesium hydroxide, aluminium triphosphate, methyl-phosphoric acid dimethyl ester, line borate act on jointly, the heat-resisting and thermal stability of goods Preferably, further enhance service life.
Detailed description of the invention
Embodiment 1
A kind of environment protection modification natural rubber material, its raw material includes by weight: modified natural rubber 34 parts, nitrile rubber 38 Part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1.6 parts, fluorine-containing surfactant 3.6 parts, 2.4 parts of sulphur, promote Enter agent M 3 parts, diphenylguanidine S 2 parts, white carbon 38 parts, precipitated calcium carbonate 27 parts, super fine magnesium hydroxide 43 parts, aluminium triphosphate 9 Part, methyl-phosphoric acid dimethyl ester 9 parts, line borate 3 parts, antioxidant MB 1.3 parts, anti-aging agent RD 1.8 parts, naphthenic oil 1.4 parts, firmly Resin acid 2.5 parts；
Wherein modified natural rubber uses following technique to prepare: by 0.4 part of rare earth element and 5.2 parts of concentration be by weight 13.5wt% sulfuric acid mixes, and then dropping to concentration is in 12wt% high wear-resistant carbon black suspension, drips alkali after mixing Liquid to system pH is 8.4, and then stirring at normal temperature 1.5h is subsequently adding natural rubber, to natural rubber concentration in system is 18wt%, stirs, and then heating water bath is to 78 DEG C of stirring 1.2h, adds flocculant to system and sediment occurs, filters and remove Moisture, washs 3 times with distilled water, and dehydration is dried to obtain the modified natural rubber that water content is 0.5wt%, and baking temperature is 74 ℃。
Embodiment 2
A kind of environment protection modification natural rubber material, its raw material includes by weight: modified natural rubber 30 parts, nitrile rubber 40 Part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1 part, fluorine-containing surfactant 5 parts, 1 part of sulphur, captax 3 Part, diphenylguanidine S 2 parts, white carbon 40 parts, precipitated calcium carbonate 20 parts, super fine magnesium hydroxide 50 parts, aluminium triphosphate 8 parts, methyl Dimethyl phosphate 10 parts, line borate 2 parts, antioxidant MB 2 parts, anti-aging agent RD 1.5 parts, naphthenic oil 2 parts, stearic acid 1 part；
Wherein modified natural rubber uses following technique to prepare: be 15wt% by 0.5 part of rare earth element and 5 parts of concentration by weight Sulfuric acid mixes, and then dropping to concentration is in 10wt% high wear-resistant carbon black suspension, drips alkali lye to system after mixing PH value is 9, and then stirring at normal temperature 1h is subsequently adding natural rubber, is 20wt% to natural rubber concentration in system, and stirring is all Even, then heating water bath is to 70 DEG C of stirring 1.5h, adds flocculant to system and sediment occurs, filters and remove moisture removal, with distillation Water washs 2 times, dehydration, is dried to obtain the modified natural rubber that water content is 0.6wt%, and baking temperature is 70 DEG C.
Embodiment 3
A kind of environment protection modification natural rubber material, its raw material includes by weight: modified natural rubber 40 parts, nitrile rubber 30 Part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 2 parts, fluorine-containing surfactant 3 parts, 3 parts of sulphur, captax 1 Part, diphenylguanidine S 4 parts, white carbon 30 parts, precipitated calcium carbonate 30 parts, super fine magnesium hydroxide 40 parts, aluminium triphosphate 13 parts, first Base dimethyl phosphate 5 parts, line borate 5 parts, antioxidant MB 1 part, anti-aging agent RD 3 parts, naphthenic oil 1 part, stearic acid 3 parts；
Wherein modified natural rubber uses following technique to prepare: be 12wt% by 0.1 part of rare earth element and 6 parts of concentration by weight Sulfuric acid mixes, and then dropping to concentration is in 13wt% high wear-resistant carbon black suspension, drips alkali lye to system after mixing PH value is 8, and then stirring at normal temperature 2h is subsequently adding natural rubber, is 15wt% to natural rubber concentration in system, and stirring is all Even, then heating water bath is to 80 DEG C of stirring 1h, adds flocculant to system and sediment occurs, filters and remove moisture removal, use distilled water Washing 4 times, dehydration, be dried to obtain the modified natural rubber that water content is 0.3wt%, baking temperature is 80 DEG C.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.

Claims (2)

1. an environment protection modification natural rubber material, it is characterised in that its raw material includes by weight: modified natural rubber 30- 35 parts, nitrile rubber 35-40 part, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1.5-1.8 part, fluorochemical surface is lived Property agent 3-4 part, sulphur 2-3 part, captax 2-3 part, diphenylguanidine S 2-3 part, white carbon 35-40 part, precipitated calcium carbonate 26- 28 parts, super fine magnesium hydroxide 40-45 part, aluminium triphosphate 8-10 part, methyl-phosphoric acid dimethyl ester 8-10 part, line borate 2-4 part is anti- Old agent MB 1-2 part, anti-aging agent RD 1.5-3 part, naphthenic oil 1-2 part, stearic acid 1-3 part；
Wherein modified natural rubber uses following technique to prepare: by 0.4 part of rare earth element and 5.2 parts of concentration be by weight 13.5wt% sulfuric acid mixes, and then dropping to concentration is in 12wt% high wear-resistant carbon black suspension, drips alkali after mixing Liquid to system pH is 8.4, and then stirring at normal temperature 1.5h is subsequently adding natural rubber, to natural rubber concentration in system is 18wt%, stirs, and then heating water bath is to 78 DEG C of stirring 1.2h, adds flocculant to system and sediment occurs, filters and remove Moisture, washs 3 times with distilled water, and dehydration is dried to obtain the modified natural rubber that water content is 0.5wt%, and baking temperature is 74 ℃。
Environment protection modification natural rubber material the most according to claim 1, it is characterised in that its raw material includes by weight: Modified natural rubber 34 parts, nitrile rubber 38 parts, accelerant N-cyclohexyl-2-benzothiazole sulfenamide 1.6 parts, fluorine-containing table Face activating agent 3.6 parts, 2.4 parts of sulphur, captax 3 parts, diphenylguanidine S 2 parts, white carbon 38 parts, precipitated calcium carbonate 27 parts is super Thin magnesium hydroxide 43 parts, aluminium triphosphate 9 parts, methyl-phosphoric acid dimethyl ester 9 parts, line borate 3 parts, antioxidant MB 1.3 parts, anti-old Agent RD 1.8 parts, naphthenic oil 1.4 parts, stearic acid 2.5 parts.
CN201610426253.4A 2014-12-04 2014-12-04 Environment-friendly modified natural rubber material Pending CN105860163A (en)

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CN201610426253.4A CN105860163A (en) 2014-12-04 2014-12-04 Environment-friendly modified natural rubber material
CN201410725161.7A CN104403142B (en) 2014-12-04 2014-12-04 A kind of environment protection modification natural rubber material

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Publication number Priority date Publication date Assignee Title
CN107286399A (en) * 2017-08-02 2017-10-24 合肥市大卓电力有限责任公司 A kind of environment-protective rubber material and preparation method thereof

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CN101724187A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Rubber composition and preparation method thereof
CN101973446A (en) * 2010-07-29 2011-02-16 安徽中意胶带有限责任公司 Environmentally-friendly flame-retardant conveyor belt with steel cable core used for coal mines
JP2011099012A (en) * 2009-11-04 2011-05-19 Bridgestone Corp Rubber composition for tie rubber, and pneumatic tire using the same

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JP4581116B2 (en) * 2007-09-10 2010-11-17 住友ゴム工業株式会社 Vulcanized rubber composition, pneumatic tire, and production method thereof
CN104119579A (en) * 2014-08-10 2014-10-29 宁国市宁盛橡塑制品有限公司 High-stability anti-tear rubber material

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CN101724187A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Rubber composition and preparation method thereof
JP2011099012A (en) * 2009-11-04 2011-05-19 Bridgestone Corp Rubber composition for tie rubber, and pneumatic tire using the same
CN101973446A (en) * 2010-07-29 2011-02-16 安徽中意胶带有限责任公司 Environmentally-friendly flame-retardant conveyor belt with steel cable core used for coal mines

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CN104403142B (en) 2016-08-24

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