CN107011558B - A kind of power generator yielding rubber and preparation method thereof - Google Patents
A kind of power generator yielding rubber and preparation method thereof Download PDFInfo
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- CN107011558B CN107011558B CN201710380855.5A CN201710380855A CN107011558B CN 107011558 B CN107011558 B CN 107011558B CN 201710380855 A CN201710380855 A CN 201710380855A CN 107011558 B CN107011558 B CN 107011558B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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Abstract
The invention discloses a kind of power generator yielding rubbers, belong to power generator resilient cushion technical field, be prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 30-40 parts of neoprene, 20-30 parts of polyvinyl chloride, 3-5 parts of magnesia, 1-2 parts of stearic acid, 8-12 parts of glass fibre, 6-9 parts of microcrystalline cellulose, 6-9 parts of fire retardant, 9-12 parts of carbon black, 2-4 parts of paraffin, 1-2 parts of anti-aging agent and 4-7 parts of vulcanizing agent.The rubber wear-resisting, ageing-resistant performance and excellent combination property, long service life are at low cost.
Description
Technical field
The present invention relates to power generator resilient cushion technical field, more particularly, to a kind of power generator yielding rubber and
Preparation method.
Background technique
Now widely used generator shock pad material is to utilize rubber material and framework material (such as metal, fiber, work
Engineering plastics etc.) compounded damper or special rubber viscoplasticity high damping material come eliminate vibration source vibratory impulse and
Absorb noise, generator generates amount of heat due to long-term work, it is desirable that the resilient cushion of generator rubber electrodes have it is high-intensitive,
High elongation rate, high-wearing feature, high temperature resistant avoid that heat ageing occurs, but the performance of yielding rubber is not able to satisfy generator still at present
Demand, cause annual glue consumption huge.
103627043 A of China Patent Publication No. CN disclose a kind of High-performance rubber for generator shock pad and its
Preparation process, the rubber is raw materials used include: natural rubber, DBD, 100 mesh zinc oxide, stearic acid, CTP, spray carbon black, DCP,
BMI, TMTD and CZ, m-phenylene diamine (MPD), bisphenol A type epoxy resin；The preparation process includes premix, is kneaded, vulcanization, the present invention
By being kneaded sufficiently activation sizing material, improve the heat-resisting ageing-resisting and non-deformability of sizing material, before vulcanization first premix m-phenylene diamine (MPD) with
BMI, increases the toughness of BMI, then with bisphenol A type epoxy resin and m-phenylene diamine (MPD) addition, three is compatible to run through, and improves the anti-of rubber
Shear strength and anti-aging property, add CZ and TMTD further increases curingprocess rate and scorching quality.But the invention
Base-material is natural rubber, improves the performance of rubber by adding various auxiliary agents, compatibility is poor, the product service life of preparation
It is short.
China Patent Publication No. CN105924703 discloses a kind of electric power generator shock pad, the raw material group of resilient cushion
It is point as follows, be parts by weight: 40-60 parts of butadiene-styrene rubber, 20-40 parts of neoprene, 23-26 parts of fluoroether rubber, graphene 0.1-
15 parts, 13-15 parts of phenolic resin, 1-10 parts of silane coupling agent, 12-15 parts of semi-reinforcing furnace black, it is calcined clay 10-12 parts, through table
6-12 parts of the Kevlar chopped strand of surface treatment, 1-10 parts of carbon black, 5-7 parts of nanometer platinic sulfide, 1-10 parts of anti-aging agent, zinc oxide
4-8 parts, 1-5 parts of promotor.Generator shock pad of the invention is made using butadiene-styrene rubber, butadiene rubber, fluoroether rubber as major ingredient
The resilient cushion obtained has wear-resistant, high temperature resistant, low noise and excellent shock resistance, wearability.The invention passes through graphene and two
Molybdenum sulfide cooperates to increase the wearability of product, and cost is relatively high.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of power generator yielding rubber,
The rubber wear-resisting, ageing-resistant performance and excellent combination property, long service life are at low cost.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, neoprene
30-40 parts of rubber, 20-30 parts of polyvinyl chloride, 3-5 parts of magnesia, 1-2 parts of stearic acid, 8-12 parts of glass fibre, microcrystalline cellulose
6-9 parts, 6-9 parts of fire retardant, 9-12 parts of carbon black, 2-4 parts of paraffin, 1-2 parts of anti-aging agent and 4-7 parts of vulcanizing agent.
Further, the power generator yielding rubber is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber,
35 parts of neoprene, 25 parts of polyvinyl chloride, 4 parts of magnesia, 1.5 parts of stearic acid, 11 parts of glass fibre, 7.5 parts of microcrystalline cellulose,
7 parts of fire retardant, 10 parts of carbon black, 3 parts of paraffin, 1.5 parts of antioxidant MB and 5 parts of vulcanizing agent.
Further, the partial size of the magnesia is 100-200nm.
Further, the vulcanizing agent is that cumyl peroxide and dibenzothiazyl disulfide are mixed by weight 1-2:1
It closes.
Further, the diameter of the glass fibre is 5-10 μm.
Further, the fire retardant is that antimony oxide and magnesium hydroxide are mixed by weight 1:1.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, being added to 1-2
Times weight mass fraction is to stir 20-35min in the silane coupling agent of 1-3%, dry, obtains modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, anti-aging agent is added, is kneaded in mixer
Then modified additive, stearic acid and paraffin is added in 5-8min, be kneaded 3-5min, obtain mixing materials；The mixing materials are added to mill
In machine at a temperature of 60 DEG C heat refining 3-5min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at 160 DEG C -175 DEG C
At a temperature of, under 12-15MPa pressure vulcanize 20-30min, obtain product.
Further, silane coupling agent is one of KH-550, KH-560 and KH-570 in the step (1).
The beneficial effects of the present invention are:
1, the performance of the invention in order to improve power generator yielding rubber, improves from raw material and preparation method,
The product shore hardness finally prepared is 66-69 degree, and tensile strength 20-27MPa, elongation rate of tensile failure 545-570% are wear-resisting
Property wearing valve be 0.06-0.1cm3/ 1.61Km, and after 150 DEG C × 500h, elongation rate of tensile failure and tensile strength variation compared with
It is few, illustrate that products of the present invention is wear-resisting, ageing-resistant performance is excellent, excellent combination property, long service life.
2, the generator yielding rubber is using nitrile rubber, neoprene and polyvinyl chloride as base-material, and wherein nitrile rubber is resistance to
Chemical stability is good, and oil resistant, wear-resisting, heat resistance, air-tightness is good, and has excellent mechanical performance and processing performance, is to make
For the good selection of generator yielding rubber, but nitrile rubber weatherability is poor；And neoprene has good physical machine
Tool performance, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, and chemical-resistant reagent, are used in mixed way, energy with nitrile rubber
Reach the weatherability and comprehensive performance for improving rubber.And polyvinyl chloride and nitrile rubber have good compatibility, in butyronitrile rubber
Polyvinyl chloride is added in glue can greatly enhance the performances such as ageing-resistant, the wear-resisting and resistance to Yanguan Pass cracking of nitrile rubber.
3, in order to further improve the comprehensive performance of generator yielding rubber, glass fibre is added in base-material, wherein glass
The effect of glass fiber is when rubber is by external load or energy, and load is transmitted around along glass fibre, stress quilt
It promptly spreads, to prevent the growth of crackle, there is toughening and shock proof effect.In addition with microcrystalline cellulose and charcoal
Black to be used as supporting material, supporting material of the carbon black as nitrile rubber can form carbon network in the substrate, greatly enhance base
The mechanical performance of material, nano micro crystal cellulose are a kind of natural macromolecular materials with nano-scale and rodlike geometry,
With biggish draw ratio and specific surface area, there is very strong reinforcing effect, a small amount of nano micro crystal cellulose to nitrile rubber
The compactness of carbon network can be improved, to improve substrate mechanical performance.
4, stearic acid is in addition added in rubber raw materials and make activator, to ensure that component is uniformly dispersed, and add paraffin work
For softening agent, the processing performance of sizing material can be dramatically increased, sizing material is made to be not easy roll banding and incipient scorch.With antimony oxide and magnesium hydroxide
Collaboration is used as fire retardant, the flame retardant property of Lai Tigao rubber sheath material, good flame retardation effect.
5, it is in addition added with magnesia in raw material of the invention, the vulcanization of rubber can be promoted, specific mechanism is that rubber exists
During vulcanization, peroxide decomposition is generated free radicals, and the higher cross-linked structure of thermal stability, thus energy can be formed with rubber
Greatly increase the heat-resisting and ageing-resistant performance of product.
6, the present invention is when preparing product, using silane coupling agent to magnesia, glass fibre, microcrystalline cellulose and fire-retardant
Agent is modified processing, to increase the compatibility of reinforcing filler and substrate, to enhance the mechanical performance of product.
Specific embodiment
The invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 30 parts of nitrile rubber, neoprene
40 parts, 20 parts of polyvinyl chloride, 3 parts of magnesia, 1 part of stearic acid, 8 parts of glass fibre, 6 parts of microcrystalline cellulose, 9 parts of fire retardant, charcoal
Black 9 parts, 2 parts of paraffin, 1 part of antioxidant MB and 7 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, 1 times of weight is added
It measures in the silane resin acceptor kh-550 that mass fraction is 1%, stirs 20min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant MB is added, is mixed in mixer
8min is refined, modified additive, stearic acid and paraffin is then added, 3min is kneaded, obtains mixing materials；The mixing materials are added in open mill
Heat refining 5min at a temperature of 60 DEG C, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 160 DEG C,
Vulcanize 20min under 12MPa pressure, obtains product.
Embodiment 2
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 32 parts of nitrile rubber, neoprene
38 parts, 22 parts of polyvinyl chloride, 4 parts of magnesia, 1.2 parts of stearic acid, 9 parts of glass fibre, 6.5 parts of microcrystalline cellulose, fire retardant 8
Part, 10 parts of carbon black, 3 parts of paraffin, 1.2 parts of anti-aging agent RD and 6 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1.5:1；The diameter of glass fibre is 5-10 μm；Fire retardant is antimony oxide and magnesium hydroxide
It is mixed by weight 1:1.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, being added 1.5 times
In the silane coupling agent KH-560 that weight mass fraction is 2%, 22min is stirred, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, anti-aging agent RD is added, is mixed in mixer
7min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 4min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 3-5min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 165 DEG C,
Vulcanize 22min under 13MPa pressure, obtains product.
Embodiment 3
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 34 parts of nitrile rubber, neoprene
36 parts, 24 parts of polyvinyl chloride, 5 parts of magnesia, 1.4 parts of stearic acid, 10 parts of glass fibre, 7 parts of microcrystalline cellulose, 7 parts of fire retardant,
11 parts of carbon black, 4 parts of paraffin, 1.4 parts of antioxidant H and 5 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 2:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, 2 times of weights is added
It measures in the Silane coupling reagent KH-570 that mass fraction is 3%, stirs 25min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant H is added, is mixed in mixer
6min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 5min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 3min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 170 DEG C,
Vulcanize 24min under 14MPa pressure, obtains product.
Embodiment 4
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber, neoprene
35 parts, 25 parts of polyvinyl chloride, 4 parts of magnesia, 1.5 parts of stearic acid, 11 parts of glass fibre, 7.5 parts of microcrystalline cellulose, fire retardant 7
Part, 10 parts of carbon black, 3 parts of paraffin, 1.5 parts of antioxidant MB and 5 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, being added 1.5 times
In the silane resin acceptor kh-550 that weight mass fraction is 2%, 30min is stirred, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant MB is added, is mixed in mixer
5min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 4min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 4min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 170 DEG C,
Vulcanize 25min under 14MPa pressure, obtains product.
Embodiment 5
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 36 parts of nitrile rubber, neoprene
34 parts, 26 parts of polyvinyl chloride, 3 parts of magnesia, 1.6 parts of stearic acid, 12 parts of glass fibre, 8 parts of microcrystalline cellulose, 6 parts of fire retardant,
12 parts of carbon black, 2 parts of paraffin, 1.6 parts of antioxidant MB and 4 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1.5:1；The diameter of glass fibre is 5-10 μm；Fire retardant is antimony oxide and magnesium hydroxide
It is mixed by weight 1:1.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, 1 times of weight is added
It measures in the silane resin acceptor kh-550 that mass fraction is 1%, stirs 32min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant MB is added, is mixed in mixer
7min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 3min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 5min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 175 DEG C,
Vulcanize 28min under 15MPa pressure, obtains product.
Embodiment 6
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 38 parts of nitrile rubber, neoprene
32 parts, 28 parts of polyvinyl chloride, 4 parts of magnesia, 1.8 parts of stearic acid, 8 parts of glass fibre, 8.5 parts of microcrystalline cellulose, fire retardant 9
Part, 9 parts of carbon black, 3 parts of paraffin, 1.8 parts of anti-aging agent RD and 7 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, being added 1.5 times
In the silane coupling agent KH-560 that weight mass fraction is 2%, 28min is stirred, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, anti-aging agent RD is added, is mixed in mixer
8min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 4min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 4min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 160 DEG C,
Vulcanize 25min under 12MPa pressure, obtains product.
Embodiment 7
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 40 parts of nitrile rubber, neoprene
32 parts, 29 parts of polyvinyl chloride, 4 parts of magnesia, 2 parts of stearic acid, 9 parts of glass fibre, 9 parts of microcrystalline cellulose, 8 parts of fire retardant, charcoal
Black 10 parts, 4 parts of paraffin, 1.9 parts of antioxidant H and 6 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 1:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, 2 times of weights is added
It measures in the Silane coupling reagent KH-570 that mass fraction is 3%, stirs 26min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant H is added, is mixed in mixer
5min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 4min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 5min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 160 DEG C,
Vulcanize 25min under 12MPa pressure, obtains product.
Embodiment 8
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber, neoprene
30 parts, 30 parts of polyvinyl chloride, 5 parts of magnesia, 2 parts of stearic acid, 10 parts of glass fibre, 9 parts of microcrystalline cellulose, 7 parts of fire retardant, charcoal
Black 11 parts, 2 parts of paraffin, 2 parts of antioxidant H and 5 parts of vulcanizing agent.
Wherein the average grain diameter of magnesia is 100-200nm；Vulcanizing agent be cumyl peroxide and diphenyl disulfide simultaneously
Thiazole is mixed by weight 2:1；The diameter of glass fibre is 5-10 μm；Fire retardant is that antimony oxide and magnesium hydroxide are pressed
Weight ratio 1:1 is mixed.
A kind of preparation method of power generator yielding rubber, comprising the following steps:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, 1 times of weight is added
It measures in the silane coupling agent KH-560 that mass fraction is 1%, stirs 35min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, antioxidant H is added, is mixed in mixer
6min is refined, modified additive, stearic acid and paraffin is then added, continues to be kneaded 5min, obtains mixing materials；Mill is added in the mixing materials
In machine at a temperature of 60 DEG C heat refining 3min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, at a temperature of 165 DEG C,
Vulcanize 30min under 13MPa pressure, obtains product.
Comparative example 1
Comparative example 1 is substantially the same manner as Example 8, the difference is that: remove raw material magnesia, it is specific as follows: Yi Zhong electricity
Power generator yielding rubber, is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber, 30 parts of neoprene, polyvinyl chloride
30 parts, 2 parts of stearic acid, 10 parts of glass fibre, 9 parts of microcrystalline cellulose, 7 parts of fire retardant, 11 parts of carbon black, 2 parts of paraffin, antioxidant H
2 parts and 5 parts of vulcanizing agent.
Other raw materials and preparation method are same as Example 8.
Comparative example 2
Comparative example 1 is substantially the same manner as Example 8, the difference is that: remove raw material microcrystalline cellulose, specific as follows:
A kind of power generator yielding rubber, is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber, neoprene
30 parts, 30 parts of polyvinyl chloride, 5 parts of magnesia, 2 parts of stearic acid, 10 parts of glass fibre, 7 parts of fire retardant, 11 parts of carbon black, paraffin 2
Part, 2 parts of antioxidant H and 5 parts of vulcanizing agent.
Other raw materials and preparation method are same as Example 8.
Performance test
The performance for detecting the product of embodiment 1-8 and comparative example 1-2 preparation, specifically includes room temperature Tensile strength, phase
To elongation, shore hardness, after 150 DEG C × 500h, the variable quantity of tensile strength, elongation at break and hardness is specific to join
It is shown in Table 1.
As shown in Table 1, the shore hardness of the product of 1-8 of embodiment of the present invention preparation is 66-69 degree, tensile strength 20-
27MPa, elongation rate of tensile failure 545-570%, wearability wearing valve are 0.06-0.1cm3/ 1.61Km, and pass through 150 DEG C × 500h
Afterwards, elongation rate of tensile failure and tensile strength variation are less, illustrate that products of the present invention is wear-resisting, ageing-resistant performance is excellent.
And comparative example 1 removes raw material magnesia, comparative example 2 removes microcrystalline cellulose, wearability compared with Example 8, phase
Difference is larger, and other performances also decrease, and illustrate that nano micro crystal cellulose can improve the compactness of carbon network, to improve
Substrate mechanical performance.And magnesia can greatly increase the heat-resisting and ageing-resistant performance of product.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of power generator yielding rubber, it is characterised in that: be prepared from the following raw materials in parts by weight: nitrile rubber 30-
40 parts, 30-40 parts of neoprene, 20-30 parts of polyvinyl chloride, 3-5 parts of magnesia, 1-2 parts of stearic acid, 8-12 parts of glass fibre,
6-9 parts of microcrystalline cellulose, 6-9 parts of fire retardant, 9-12 parts of carbon black, 2-4 parts of paraffin, 1-2 parts of anti-aging agent and 4-7 parts of vulcanizing agent；
The vulcanizing agent is that cumyl peroxide and dibenzothiazyl disulfide are mixed by weight 1-2:1；
The partial size of the magnesia is 100-200nm；
The fire retardant is that antimony oxide and magnesium hydroxide are mixed by weight 1:1.
2. a kind of power generator yielding rubber according to claim 1, it is characterised in that: the power generator damping
Rubber is prepared from the following raw materials in parts by weight: 35 parts of nitrile rubber, 35 parts of neoprene, 25 parts of polyvinyl chloride, magnesia 4
Part, 1.5 parts of stearic acid, 11 parts of glass fibre, 7.5 parts of microcrystalline cellulose, 7 parts of fire retardant, 10 parts of carbon black, 3 parts of paraffin, anti-aging agent
1.5 parts and 5 parts of vulcanizing agent of MB.
3. a kind of power generator yielding rubber according to claim 1, it is characterised in that: the diameter of the glass fibre
It is 5-10 μm.
4. a kind of preparation method of power generator yielding rubber as described in claim 1, it is characterised in that: including following step
It is rapid:
(1) it premixes: after mixing by magnesia, glass fibre, microcrystalline cellulose, fire retardant and carbon black, being added to 1-2 times and weigh
It measures in the silane coupling agent that mass fraction is 1-3%, stirs 20-35min, it is dry, obtain modified additive；
(2) it is kneaded: after nitrile rubber, neoprene and polyvinyl chloride are mixed, anti-aging agent is added, 5- is kneaded in mixer
Then modified additive, stearic acid and paraffin is added in 8min, be kneaded 3-5min, obtain mixing materials；The mixing materials are added to open mill
In at a temperature of 60 DEG C heat refining 3-5min, blanking slice；
(3) vulcanize: film obtained will be kneaded and be put into evacuated flat panel vulcanizer, vulcanizing agent is added, in 160 DEG C of -175 DEG C of temperature
Under, under 12-15MPa pressure vulcanize 20-30min, obtain product.
5. the preparation method of power generator yielding rubber according to claim 4, it is characterised in that: the step (1)
Middle silane coupling agent is one of KH-550, KH-560 and KH-570.
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| CN107488319A (en) * | 2017-08-29 | 2017-12-19 | 无为县大江橡塑制品有限公司 | A kind of preparation method of automobile shock rubber |
| CN108178850A (en) * | 2017-12-26 | 2018-06-19 | 安徽瑞鑫自动化仪表有限公司 | A kind of preparation method of automobile LED instrument yielding rubber |
| CN108164769A (en) * | 2018-01-09 | 2018-06-15 | 南京航空航天大学 | A kind of NCC enhances rubber material and preparation method thereof jointly with ultra-fine fibre glass |
| CN108912574A (en) * | 2018-07-17 | 2018-11-30 | 国网河南省电力公司西峡县供电公司 | A kind of generator shock pad rubber and preparation method thereof |
| CN109796648A (en) * | 2019-02-19 | 2019-05-24 | 江苏骆氏减震件有限公司 | A kind of yielding rubber pad material prescription |
| CN111073074A (en) * | 2019-12-31 | 2020-04-28 | 东莞市特谱峰实业有限公司 | Heat-insulating rubber-plastic foam material and preparation method thereof |
| CN112831107A (en) * | 2020-12-31 | 2021-05-25 | 东莞市厚铧橡胶科技有限公司 | High-oil-resistance anti-slip rubber material |
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