CN105860178A - Hydrogenated butadiene-acrylonitrile rubber sealing gasket with chemical solvent resistance and ozone resistance and preparation method thereof - Google Patents
Hydrogenated butadiene-acrylonitrile rubber sealing gasket with chemical solvent resistance and ozone resistance and preparation method thereof Download PDFInfo
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- CN105860178A CN105860178A CN201610414412.9A CN201610414412A CN105860178A CN 105860178 A CN105860178 A CN 105860178A CN 201610414412 A CN201610414412 A CN 201610414412A CN 105860178 A CN105860178 A CN 105860178A
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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
- C08L15/00—Compositions of rubber derivatives
- C08L15/005—Hydrogenated nitrile rubber
-
- 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
-
- 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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer 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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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a hydrogenated butadiene-acrylonitrile rubber sealing gasket with chemical solvent resistance and ozone resistance and a preparation method thereof. The hydrogenated butadiene-acrylonitrile rubber sealing gasket is prepared from, by weight, 34-48 parts of hydrogenated butadiene-acrylonitrile rubber, 26-38 parts of butyl rubber, 15-25 parts of epichloro-hydrin rubber, 10-15 parts of superfine molybdenum powder, 5-8 parts of p-tertt-butylPhenol formaldehyde resin, 14-18 parts of zirconium silicate, 5-10 parts of low-molecular-weight polyisobutene, 7-14 parts of ethyl crotonate, 3-4 parts of an antioxidant TNP, 4-6 parts of bis(4-tert-butylcyclohexyl)peroxydicarbonate, 17-23 parts of granite waste, 1-2 parts of an antioxidant DBH, 1-2 parts of an antioxidant DTPD, 3-5 parts of N,N'-m-phenylenedimaleimide, 2-4 parts of zinc acrylate, 5-10 parts of pentaerythritol ester of hydrogenated rosin, 2-3 parts of an accelerator DPTT, 2-3 parts of an accelerator CED and 12-15 parts of a modifier. The hydrogenated butadiene-acrylonitrile rubber sealing gasket is good in ozone resistance and ageing resistance and is durable.
Description
Technical field
The present invention relates to a kind of rubber gasket, be specifically related to a kind of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber and seal
Pad and preparation method thereof.
Background technology
Nitrile rubber is through the polymer of emulsion copolymerization by butadiene and acrylonitrile, writes with the oil resistivity of its excellence
Claim, the most also there is good wearability, heat resistance, resistance to ag(e)ing and air-tightness, thus be widely used in rubber industry, suitable
Preferably make multiple oil resistant seal washer.Along with science and technology and the fast development of industry, the performance to acrylonitrile butadiene packing material
Requiring more and more higher, there is chemical solvent resistance difference and poor the lacking of ozone-resistant aging in the nitrile rubber gasket on existing market
Point, causes its service life short, it is impossible to meet the demand in market.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of chemically-resistant solvent ozone-resistant hydrogenated butyronitrile rubber
Glue sealing gasket and preparation method thereof.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket, is made up of the raw material of following weight portion: hydrogenation fourth
Nitrile rubber 34-48, butyl rubber 26-38, epichlorohydrin rubber 15-25, ultrafine molybdenum powder 10-15, para-tertiary butyl phenol formaldehyde resin 5-8, silicon
Acid zirconium 14-18, low-molecular-weight polyisobutylene 5-10, ethyl crotonate 7-14, age resistor TNP 3-4, double (4-t-butylcyclohexyl
Base) peroxy dicarbonate 4-6, granite waste material 17-23, antioxidant DBH 1-2, antioxidant D TPD 1-2, N, penylene between N'-
BMI 3-5, dizinc acrylate resin 2-4, hydrogenated rosin pentaerythritol ester 5-10, diphenylguanidine PTT 2-3, accelerant C ED
2-3, modifying agent 12-15；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight portion: sea ballstone 16-24, needle coke 10-
15, polymerization ferrophosphorus powder 12-17, nano barium titanate aluminium 8-16, sodium metnylene bis-naphthalene sulfonate 3-4, dioctylis sulfosuccinas natricus 2-3,
Cetearyl glucoside 1.5-2.5, polypropylene glycol 200 5-10, tri-n-butylamine 4-8, octyl dodecanol beeswax acid esters 3-5；
(2) take sea ballstone, needle coke mixing, pulverize, mix, so with polymerization ferrophosphorus powder, nano barium titanate aluminium after crossing 100-150 mesh sieve
After the stirring that adds water make the suspension of 40-50%, add sodium metnylene bis-naphthalene sulfonate, dioctylis sulfosuccinas natricus and spermaceti
Stearyl glucoside, heating water bath to 60-80 DEG C, 1500-2500r/min high-speed stirred 10-15min, filter, add after drying
Enter polypropylene glycol 200, tri-n-butylamine and octyl dodecanol beeswax acid esters, 1000-1500r/min high-speed stirred 5-10min, dry
Dry, pulverize, cross 100-150 mesh sieve.
The preparation method of a kind of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket, comprises the following steps:
(1) by hydrogenated nitrile-butadiene rubber, butyl rubber, epichlorohydrin rubber, para-tertiary butyl phenol formaldehyde resin, double (4-t-butylcyclohexyl
Base) peroxy dicarbonate, N, penylene BMI between N'-, hydrogenated rosin pentaerythritol ester add in mixing roll, adjust
Roller temperature is to 45-55 DEG C, and roll spacing, to 2-3mm, adds dizinc acrylate resin, ethyl crotonate, ultrafine molybdenum powder, Hua Gang after mixing 7-9min
Rock waste material, adjustment roller temperature is to 55-65 DEG C, and roll spacing, to 1-2mm, adds surplus stock, adjustment roller temperature to 50-60 after mixing 5-7min
DEG C, roll spacing to 2-4mm, mixing 6-8min, discharging, park 24-48h；
(2) sulfidization molding will be carried out in the above-mentioned sizing material mixed feeding vulcanizing press, sulfide stress 2-3MPa, once
Conditions of vulcanization (150-170) DEG C × (12-18) min, post-cure condition (245-265) DEG C × (15-20) h；
(3) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
Above-mentioned modifying agent uses sea ballstone, needle coke, polymerization ferrophosphorus powder, four kinds of inorganic raw materials of nano barium titanate aluminium to be combined and make
With, the high temperature high voltage resistant of sealing gasket, heat endurance, anticorrosive property, wearability and thermal shock resistance can be improved, use Asia simultaneously
Methyl sodium dinaphthalenesulfonate, dioctylis sulfosuccinas natricus, cetearyl glucoside, polypropylene glycol 200, tri-n-butylamine, octyl group
Lauryl alcohol beeswax acid esters carries out twice modification to above-mentioned inorganic raw material, can significantly improve its interface performance, improve its with
The compatibility of polymer matrix, thus improve it and strengthen performance.
Beneficial effects of the present invention:
The present invention uses hydrogenated nitrile-butadiene rubber and butyl rubber, epichlorohydrin rubber to carry out blending and modifying so that sealing gasket both had
There is good oil resistivity, cold resistance and the ozone aging resistance of the diaphragm, wearability and chemical solvent resistance, there is again good compression set, resistance to
Hot and weatherability, the ultrafine molybdenum powder of interpolation, can improve the heat endurance of sealing gasket, the zirconium silicate of interpolation, granite waste material,
Heat resistance and the wearability of sealing gasket can be improved.The sealing gasket chemical solvent resistance that the present invention prepares is excellent, at acid, alkali, oil
Little Deng energy long-term work in chemical mediator, its volume and mechanical property change, ozone resistance and resistance to ag(e)ing are good, durable in use.
Detailed description of the invention
A kind of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket, is made up of the raw material of following weight (kg): hydrogenation
Nitrile rubber 44, butyl rubber 35, epichlorohydrin rubber 20, ultrafine molybdenum powder 12, para-tertiary butyl phenol formaldehyde resin 7, zirconium silicate 16, low molecule
Amount polyisobutene 8, ethyl crotonate 11, age resistor TNP 3.5, double (4-tert-butylcyclohexyl) peroxy dicarbonate 5, Hua Gang
Rock waste material 19, antioxidant DBH 1.5, antioxidant D TPD 1, N, penylene BMI 4, dizinc acrylate resin 3, hydrogenation between N'-
Pentalyn 7, diphenylguanidine PTT 2.5, accelerant C ED 2, modifying agent 13；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight (kg): sea ballstone 18, needle coke 12, poly-
Close ferrophosphorus powder 15, nano barium titanate aluminium 14, sodium metnylene bis-naphthalene sulfonate 4, dioctylis sulfosuccinas natricus 3, cetearyl glucose
Glycosides 2, polypropylene glycol 200 7, tri-n-butylamine 6, octyl dodecanol beeswax acid esters 4；(2) take sea ballstone, needle coke mixing, pulverize,
Mixing with polymerization ferrophosphorus powder, nano barium titanate aluminium after crossing 150 mesh sieves, the suspension of 50% is made in the stirring that then adds water, then adds
Enter sodium metnylene bis-naphthalene sulfonate, dioctylis sulfosuccinas natricus and cetearyl glucoside, heating water bath to 75 DEG C, 1500r/
Min high-speed stirred 10min, filters, and adds polypropylene glycol 200, tri-n-butylamine and octyl dodecanol beeswax acid esters after drying,
1000r/min high-speed stirred 8min, dries, and pulverizes, and crosses 150 mesh sieves.
The preparation method of a kind of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket, comprises the following steps:
(1) by hydrogenated nitrile-butadiene rubber, butyl rubber, epichlorohydrin rubber, para-tertiary butyl phenol formaldehyde resin, double (4-t-butylcyclohexyl
Base) peroxy dicarbonate, N, penylene BMI between N'-, hydrogenated rosin pentaerythritol ester add in mixing roll, adjust
Roller temperature is to 45-55 DEG C, and roll spacing, to 2-3mm, adds dizinc acrylate resin, ethyl crotonate, ultrafine molybdenum powder, Hua Gang after mixing 7-9min
Rock waste material, adjustment roller temperature is to 55-65 DEG C, and roll spacing, to 1-2mm, adds surplus stock, adjustment roller temperature to 50-60 after mixing 5-7min
DEG C, roll spacing to 2-4mm, mixing 6-8min, discharging, park 24-48h；
(2) sulfidization molding will be carried out in the above-mentioned sizing material mixed feeding vulcanizing press, sulfide stress 2-3MPa, once
Conditions of vulcanization (150-170) DEG C × (12-18) min, post-cure condition (245-265) DEG C × (15-20) h；
(3) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
The main performance testing result of the sealing gasket that above-described embodiment prepares is as shown in the table:
Claims (2)
1. a chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket, it is characterised in that by the raw material system of following weight portion
Become: hydrogenated nitrile-butadiene rubber 34-48, butyl rubber 26-38, epichlorohydrin rubber 15-25, ultrafine molybdenum powder 10-15, para-tertiary butyl phenol formaldehyde
Resin 5-8, zirconium silicate 14-18, low-molecular-weight polyisobutylene 5-10, ethyl crotonate 7-14, age resistor TNP 3-4, double (uncle 4-
Butylcyclohexyl) peroxy dicarbonate 4-6, granite waste material 17-23, antioxidant DBH 1-2, antioxidant D TPD 1-2, N,
Penylene BMI 3-5 between N'-, dizinc acrylate resin 2-4, hydrogenated rosin pentaerythritol ester 5-10, diphenylguanidine PTT 2-3,
Accelerant C ED 2-3, modifying agent 12-15；
The preparation method of described modifying agent is as follows: (1) takes the raw material of following weight portion: sea ballstone 16-24, needle coke 10-15,
Polymerization ferrophosphorus powder 12-17, nano barium titanate aluminium 8-16, sodium metnylene bis-naphthalene sulfonate 3-4, dioctylis sulfosuccinas natricus 2-3,
Cetearyl glucoside 1.5-2.5, polypropylene glycol 200 5-10, tri-n-butylamine 4-8, octyl dodecanol beeswax acid esters 3-5；
(2) take sea ballstone, needle coke mixing, pulverize, mix, so with polymerization ferrophosphorus powder, nano barium titanate aluminium after crossing 100-150 mesh sieve
After the stirring that adds water make the suspension of 40-50%, add sodium metnylene bis-naphthalene sulfonate, dioctylis sulfosuccinas natricus and spermaceti
Stearyl glucoside, heating water bath to 60-80 DEG C, 1500-2500r/min high-speed stirred 10-15min, filter, after drying add
Polypropylene glycol 200, tri-n-butylamine and octyl dodecanol beeswax acid esters, 1000-1500r/min high-speed stirred 5-10min, dry,
Pulverize, cross 100-150 mesh sieve.
The preparation method of chemically-resistant solvent ozone-resistant hydrogenated nitrile-butadiene rubber sealing gasket the most according to claim 1, its feature
It is, comprises the following steps:
(1) by hydrogenated nitrile-butadiene rubber, butyl rubber, epichlorohydrin rubber, para-tertiary butyl phenol formaldehyde resin, double (4-tert-butylcyclohexyl) mistake
Aoxidizing two carbonic esters, N, between N'-, penylene BMI, hydrogenated rosin pentaerythritol ester add in mixing roll, adjust roller temperature
To 45-55 DEG C, roll spacing is to 2-3mm, and after mixing 7-9min, addition dizinc acrylate resin, ethyl crotonate, ultrafine molybdenum powder, granite give up
Material, adjust roller temperature to 55-65 DEG C, roll spacing to 1-2mm, after mixing 5-7min add surplus stock, adjustment roller temperature to 50-60 DEG C,
Roll spacing to 2-4mm, mixing 6-8min, discharging, park 24-48h；
(2) carry out sulfidization molding, sulfide stress 2-3MPa in the above-mentioned sizing material mixed being sent into vulcanizing press, once vulcanize
Condition (150-170) DEG C × (12-18) min, post-cure condition (245-265) DEG C × (15-20) h；
(3) rubber of above-mentioned sulfuration is taken out finishing burr, finished product can be become through passer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414412.9A CN105860178A (en) | 2016-06-06 | 2016-06-06 | Hydrogenated butadiene-acrylonitrile rubber sealing gasket with chemical solvent resistance and ozone resistance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414412.9A CN105860178A (en) | 2016-06-06 | 2016-06-06 | Hydrogenated butadiene-acrylonitrile rubber sealing gasket with chemical solvent resistance and ozone resistance and preparation method thereof |
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| CN105860178A true CN105860178A (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641151A (en) * | 2018-05-07 | 2018-10-12 | 广东贝洛新材料科技有限公司 | A kind of low temperature resistant hydraulic pressure resistant oil hydrogenated nitrile-butadiene rubber sizing material of high abrasion and preparation method thereof |
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| CN103183852A (en) * | 2013-04-22 | 2013-07-03 | 安徽库伯油封有限公司 | Rubber component material of high-pressure oil seal for hydraulic motor and manufacturing process thereof |
| CN103408819A (en) * | 2013-08-13 | 2013-11-27 | 安徽中鼎密封件股份有限公司 | Rubber sealing assembly between chainsaw carburetor and engine cylinder, and manufacturing method thereof |
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| CN104592574A (en) * | 2015-01-30 | 2015-05-06 | 柳州市颖航汽配有限公司 | Rubber material for sealing automobile door and preparation method of rubber material |
| CN105254964A (en) * | 2015-11-06 | 2016-01-20 | 安徽欧凯密封件有限公司 | Rubber seal ring and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641151A (en) * | 2018-05-07 | 2018-10-12 | 广东贝洛新材料科技有限公司 | A kind of low temperature resistant hydraulic pressure resistant oil hydrogenated nitrile-butadiene rubber sizing material of high abrasion and preparation method thereof |
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Application publication date: 20160817 |