CN109400989A - A kind of heat-resisting water sucting rubber material and preparation method thereof - Google Patents
A kind of heat-resisting water sucting rubber material and preparation method thereof Download PDFInfo
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- CN109400989A CN109400989A CN201811370430.7A CN201811370430A CN109400989A CN 109400989 A CN109400989 A CN 109400989A CN 201811370430 A CN201811370430 A CN 201811370430A CN 109400989 A CN109400989 A CN 109400989A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
Abstract
The present invention provides a kind of heat-resisting water sucting rubber materials, weigh following component by weight: 100-120 parts of nitrile rubber, 3-5 parts of nano zine oxide, 0.8-2 parts of stearic acid, antioxidant 4010NA is 1-3 parts, 20-40 parts of white carbon black, 0.5-1 parts of sulphur, altax is 2-4 parts, 10-20 parts of graphite powder, 15-25 parts of modified microcrystalline cellulose, 2-4 parts of hexamethylene, 20-30 parts of acrylic acid, 15-25 parts of acrylamide, N, N ' 3-5 parts of-methylene-bisacrylamide, 4-8 parts of ammonium persulfate.Rubber material of the invention has water suction stability and mechanical property well at high temperature.
Description
Technical field
The present invention relates to water sucting rubber fields, and in particular to a kind of heat-resisting water sucting rubber material and preparation method thereof.
Background technique
Water swelling rubber (water swellable rubber, WSR) is since invention the 1970s, with its bullet
Property sealing, with water sealing the characteristics of, be widely used in the sealing waterproof of various engineering project deformation seams, construction joint, underwater instrument.With
Industrial boom, the requirement to water swelling rubber product properties is also higher and higher, should have certain mechanical property, quickly
The characteristics such as mass loss rate is low after high magnification water suction, water suction.
Very high expansion rate of water absorption can be obtained in the water environment of the room temperature of high-temperature-rusistance water-expansible rubber, and water suction is also compared
Stablize, but in the water environment of high temperature, water swelling is not very stable, so that its service life reduces, therefore is improved resistance to
The heat-resisting quantity of high temperature hydro-expansive rubber to its in special severe engineering-environment using having important practical significance.
Summary of the invention
Technical problems to be solved: the object of the present invention is to provide a kind of heat-resisting water sucting rubber material and preparation method thereof,
Rubber material of the invention has water suction stability and mechanical property well at high temperature.
Technical solution: a kind of heat-resisting water sucting rubber material weighs following component by weight: 100-120 parts of nitrile rubber,
3-5 parts of nano zine oxide, 0.8-2 parts of stearic acid, antioxidant 4010NA be 1-3 parts, 20-40 parts of white carbon black, 0.5-1 parts of sulphur,
Altax be 2-4 parts, 10-20 parts of graphite powder, 15-25 parts of modified microcrystalline cellulose, 2-4 parts of hexamethylene, acrylic acid 20-30
Part, 15-25 parts of acrylamide, N, N ' 3-5 parts of-methylene-bisacrylamide, 4-8 parts of ammonium persulfate.
Further, the modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, be configured to
Concentration is the solution of 20-25%, and isometric concentrated sulfuric acid is added under the conditions of 0 DEG C, after stirring 10-20min, then is warming up to 40 DEG C
80-100min is reacted, finally plus water is stood, and is centrifuged, is cleaned, and it is 4-8%'s that the microcrystalline cellulose after washing, which is configured to concentration,
Microcrystalline cellulose solution mixes in equal volume with the acetic acid of 35-40%, and supersonic oscillations 10-15min obtains microcrystalline cellulose acetic acid
The acetic acid of acetic acid volume 1/4-1/3 and the mixed solution of sodium perchlorate is added in suspension, is then added and acetic acid volume 1/3-1/
2 acetic anhydride, 40-50 DEG C of reaction 2-6h, washing and drying obtain esterification modification microcrystalline cellulose.
Further, the acetic acid and sodium perchlorate volume ratio are 100-150:1.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 5-10min at being 120-130 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 8-12h at room temperature, vulcanization
Temperature is 150-165 DEG C, vulcanization time 10-15min, sulfide stress 10-15MPa.
Further, plasticating temperature is 120 DEG C in the step S1, time 8min.
Further, the temperature vulcanized in the step S2 is 155-160 DEG C, vulcanization time 12min, and sulfide stress is
12MPa.The utility model has the advantages that water sucting rubber of the invention has fine and close crystal structure tool by modified rear modified microcrystalline cellulose
There is better heat resistance, while by grafted propylene acid/acrylamide polymer, so that there is a large amount of hydrophilic knot in structure
Hydrone is fixed in polymer three-dimensional network-like structure, so that the energy consumed during dehydration by structure by aquation
It measures bigger, it is therefore desirable to consume the volatilization that more heats make moisture.
Specific embodiment
Embodiment 1
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 100 parts of nitrile rubber, 3 parts of nano zine oxide, firmly
0.8 part of resin acid, antioxidant 4010NA is 1 part, and 40 parts of white carbon black, 0.5 part of sulphur, altax is 2 parts, 10 parts of graphite powder, is changed
25 parts of microcrystalline cellulose of property, 2 parts of hexamethylene, 30 parts of acrylic acid, 15 parts of acrylamide, N, 5 parts of N '-methylene-bisacrylamide,
4 parts of ammonium persulfate.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 25% solution under the conditions of 0 DEG C, after stirring 20min, then is warming up to 40 DEG C of reaction 100min,
Finally plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 4% microcrystalline cellulose solution with
35% acetic acid mixes in equal volume, and supersonic oscillations 15min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/3 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/2, wherein acetic acid and sodium perchlorate
Volume ratio is 150:1,40 DEG C of reaction 6h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 10min at being 120 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 8h at room temperature, the temperature of vulcanization
It is 165 DEG C, vulcanization time 10min, sulfide stress 10MPa.
Embodiment 2
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 120 parts of nitrile rubber, 5 parts of nano zine oxide, firmly
2 parts of resin acid, antioxidant 4010NA is 3 parts, and 40 parts of white carbon black, 1 part of sulphur, altax is 4 parts, and 20 parts of graphite powder, modification is micro-
15 parts of crystalline cellulose, 4 parts of hexamethylene, 20 parts of acrylic acid, 25 parts of acrylamide, N, N ' 3 parts of-methylene-bisacrylamide, over cure
8 parts of sour ammonium.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 20% solution under the conditions of 0 DEG C, after stirring 10min, then is warming up to 40 DEG C of reaction 80min, most
Afterwards plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 8% microcrystalline cellulose solution with
40% acetic acid mixes in equal volume, and supersonic oscillations 10min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/4 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/3, wherein acetic acid and sodium perchlorate
Volume ratio is 100:1,50 DEG C of reaction 2h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 5min at being 130 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 12h at room temperature, the temperature of vulcanization
Degree is 150 DEG C, vulcanization time 15min, sulfide stress 15MPa.
Embodiment 3
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 105 parts of nitrile rubber, 3 parts of nano zine oxide, firmly
1 part of resin acid, antioxidant 4010NA is 2 parts, and 30 parts of white carbon black, 0.5 part of sulphur, altax is 2 parts, 15 parts of graphite powder, modified
22 parts of microcrystalline cellulose, 2 parts of hexamethylene, 25 parts of acrylic acid, 18 parts of acrylamide, N, N ' 3 parts of-methylene-bisacrylamide, mistake
8 parts of ammonium sulfate.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 24% solution under the conditions of 0 DEG C, after stirring 10min, then is warming up to 40 DEG C of reaction 80min, most
Afterwards plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 5% microcrystalline cellulose solution with
35% acetic acid mixes in equal volume, and supersonic oscillations 15min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/4 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/3, wherein acetic acid and sodium perchlorate
Volume ratio is 120:1,40 DEG C of reaction 6h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 8min at being 120 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 8h at room temperature, the temperature of vulcanization
It is 155 DEG C, vulcanization time 12min, sulfide stress 12MPa.
Embodiment 4
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 115 parts of nitrile rubber, 5 parts of nano zine oxide, firmly
1.5 parts of resin acid, antioxidant 4010NA is 3 parts, and 35 parts of white carbon black, 1 part of sulphur, altax is 4 parts, 20 parts of graphite powder, modified
18 parts of microcrystalline cellulose, 4 parts of hexamethylene, 22 parts of acrylic acid, 20 parts of acrylamide, N, N ' 5 parts of-methylene-bisacrylamide, mistake
4 parts of ammonium sulfate.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 22% solution under the conditions of 0 DEG C, after stirring 20min, then is warming up to 40 DEG C of reaction 100min,
Finally plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 7% microcrystalline cellulose solution with
40% acetic acid mixes in equal volume, and supersonic oscillations 10min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/3 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/2, wherein acetic acid and sodium perchlorate
Volume ratio is 140:1,50 DEG C of reaction 2h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 8min at being 120 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 12h at room temperature, the temperature of vulcanization
Degree is 160 DEG C, vulcanization time 12min, sulfide stress 12MPa.
Embodiment 5
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 110 parts of nitrile rubber, 4 parts of nano zine oxide, firmly
1 part of resin acid, antioxidant 4010NA is 3 parts, and 35 parts of white carbon black, 1 part of sulphur, altax is 2 parts, and 18 parts of graphite powder, modification is micro-
20 parts of crystalline cellulose, 3 parts of hexamethylene, 23 parts of acrylic acid, 18 parts of acrylamide, N, N ' 4 parts of-methylene-bisacrylamide, over cure
6 parts of sour ammonium.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 22% solution under the conditions of 0 DEG C, after stirring 15min, then is warming up to 40 DEG C of reaction 90min, most
Afterwards plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 5-7% microcrystalline cellulose solution with
36% acetic acid mixes in equal volume, and supersonic oscillations 15min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/4 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/2, wherein acetic acid and sodium perchlorate
Volume ratio is 130:1,45 DEG C of reaction 4h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 8min at being 120 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 10h at room temperature, the temperature of vulcanization
Degree is 155 DEG C, vulcanization time 12min, sulfide stress 12MPa.
Comparative example 1
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 100 parts of nitrile rubber, 3 parts of nano zine oxide, firmly
0.8 part of resin acid, antioxidant 4010NA is 1 part, and 40 parts of white carbon black, 0.5 part of sulphur, altax is 2 parts, 10 parts of graphite powder, micro-
25 parts of crystalline cellulose, 2 parts of hexamethylene, 30 parts of acrylic acid, 15 parts of acrylamide, N, N ' 5 parts of-methylene-bisacrylamide, over cure
4 parts of sour ammonium.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. hexamethylene and microcrystalline cellulose mixing, 45 DEG C of stirring 30min, sequentially add acrylic monomers under anaerobic,
Acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, are washed after reaction with dehydrated alcohol
It washs, is then added into nitrile rubber, plasticate 10min at being 120 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 8h at room temperature, the temperature of vulcanization
It is 165 DEG C, vulcanization time 10min, sulfide stress 10MPa.
Comparative example 2
A kind of heat-resisting water sucting rubber material, weighs following component by weight: 120 parts of nitrile rubber, 5 parts of nano zine oxide, firmly
2 parts of resin acid, antioxidant 4010NA is 3 parts, and 40 parts of white carbon black, 1 part of sulphur, altax is 4 parts, and 20 parts of graphite powder, modification is micro-
15 parts of crystalline cellulose.
The modified microcrystalline cellulose the preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, being configured to concentration is
Isometric concentrated sulfuric acid is added in 20% solution under the conditions of 0 DEG C, after stirring 10min, then is warming up to 40 DEG C of reaction 80min, most
Afterwards plus water stand, be centrifuged, clean, by the microcrystalline cellulose after washing be configured to concentration be 8% microcrystalline cellulose solution with
40% acetic acid mixes in equal volume, and supersonic oscillations 10min obtains microcrystalline cellulose acetic acid suspension, and acetic acid volume 1/4 is added
Acetic acid and sodium perchlorate mixed solution, be then added and the acetic anhydride of acetic acid volume 1/3, wherein acetic acid and sodium perchlorate
Volume ratio is 100:1,50 DEG C of reaction 2h, and washing and drying obtains esterification modification microcrystalline cellulose.
A kind of preparation method of above-mentioned heat-resisting water sucting rubber material, comprising the following steps:
S1. modified microcrystalline cellulose is mixed into nitrile rubber, plasticate 5min at being 130 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 12h at room temperature, the temperature of vulcanization
Degree is 150 DEG C, vulcanization time 15min, sulfide stress 15MPa.
Performance test: mechanical property is according to GB 528-2009；Vulcanizate water-swelling property test: take 40mm x 20mm ×
1mm sample immerses in room temperature and 80 DEG C of deionized water after weighing, takes out every 3h, removes surface water, weighs, quality water absorption rate
S is calculated as follows: S=(mono- W2 of W1)/W2, in formula: W2, W1 are that sample absorbs water forward and backward quality.
Claims (6)
1. a kind of heat-resisting water sucting rubber material, which is characterized in that weigh following component by weight: 100-120 parts of nitrile rubber,
3-5 parts of nano zine oxide, 0.8-2 parts of stearic acid, antioxidant 4010NA be 1-3 parts, 20-40 parts of white carbon black, 0.5-1 parts of sulphur,
Altax be 2-4 parts, 10-20 parts of graphite powder, 15-25 parts of modified microcrystalline cellulose, 2-4 parts of hexamethylene, acrylic acid 20-30
Part, 15-25 parts of acrylamide, N, N ' 3-5 parts of-methylene-bisacrylamide, 4-8 parts of ammonium persulfate.
2. a kind of heat-resisting water sucting rubber material according to claim 1, it is characterised in that: the modified microcrystalline cellulose
The preparation method comprises the following steps: microcrystalline cellulose is dissolved in deionized water, it is configured to the solution that concentration is 20-25%, is added under the conditions of 0 DEG C
Enter isometric concentrated sulfuric acid, after stirring 10-20min, then is warming up to 40 DEG C of reaction 80-100min, finally plus water is stood, centrifugation,
It cleans, the microcrystalline cellulose after washing is configured to the bodies such as the acetic acid of microcrystalline cellulose solution and 35-40% that concentration is 4-8%
Product mixing, supersonic oscillations 10-15min obtain microcrystalline cellulose acetic acid suspension, be added acetic acid volume 1/4-1/3 acetic acid and
The mixed solution of sodium perchlorate, is then added the acetic anhydride with acetic acid volume 1/3-1/2,40-50 DEG C of reaction 2-6h, and washing is dried
It is dry, obtain esterification modification microcrystalline cellulose.
3. a kind of heat-resisting water sucting rubber material according to claim 2, it is characterised in that: the acetic acid and sodium perchlorate body
Product is than being 100-150:1.
4. a kind of preparation method of heat-resisting water sucting rubber material as described in claim 1, which is characterized in that including following step
It is rapid:
S1. hexamethylene and modified microcrystalline cellulose are mixed, 45 DEG C of stirring 30min, sequentially add acrylic acid under anaerobic
Monomer, acrylamide, ammonium persulfate and N, N '-methylene-bisacrylamide are warming up to 75 DEG C, after reaction with anhydrous second
Alcohol washing, is then added into nitrile rubber, and plasticate 5-10min at being 120-130 DEG C in temperature；
S2. other remaining ingredients are then added and are kneaded simultaneously Bao Tonghou, are vulcanized after standing 8-12h at room temperature, vulcanization
Temperature is 150-165 DEG C, vulcanization time 10-15min, sulfide stress 10-15MPa.
5. a kind of preparation method of heat-resisting water sucting rubber material according to claim 1, it is characterised in that: the step S1
Middle plasticating temperature is 120 DEG C, time 8min.
6. a kind of preparation method of heat-resisting water sucting rubber material according to claim 1, it is characterised in that: the step S2
The temperature of middle vulcanization is 155-160 DEG C, vulcanization time 12min, sulfide stress 12MPa.
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| CN101932346A (en) * | 2008-01-30 | 2010-12-29 | 金伯利-克拉克环球有限公司 | Contain the absorbent commodity of swollen absorbent material of demonstration deswelling/again |
| CN105199168A (en) * | 2015-10-29 | 2015-12-30 | 中国石油集团川庆钻探工程有限公司 | Water expandable rubber resistant to high temperature and preparation method of water expandable rubber |
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2018
- 2018-11-19 CN CN201811370430.7A patent/CN109400989A/en active Pending
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| CN1264321A (en) * | 1997-05-13 | 2000-08-23 | 普渡研究基金会 | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strenght, and superabsorbent properties |
| JP2000302905A (en) * | 1999-04-22 | 2000-10-31 | Nitto Denko Corp | Rubber foam |
| CN101070352A (en) * | 2007-03-27 | 2007-11-14 | 鲁东大学 | Method for preparing sheet-like microcrystal cellulose and modification processing method |
| CN101932346A (en) * | 2008-01-30 | 2010-12-29 | 金伯利-克拉克环球有限公司 | Contain the absorbent commodity of swollen absorbent material of demonstration deswelling/again |
| CN101519476A (en) * | 2009-03-30 | 2009-09-02 | 中国科学技术大学 | Method for preparing high-hydroscopicity resin in homogeneous aqueous medium by using straw as raw material |
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Application publication date: 20190301 |