CN104403322A - Low-cost, energy-saving and environment-friendly silicone rubber - Google Patents
Low-cost, energy-saving and environment-friendly silicone rubber Download PDFInfo
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- CN104403322A CN104403322A CN201410657573.1A CN201410657573A CN104403322A CN 104403322 A CN104403322 A CN 104403322A CN 201410657573 A CN201410657573 A CN 201410657573A CN 104403322 A CN104403322 A CN 104403322A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses low-cost, energy-saving and environment-friendly silicone rubber. The low-cost, energy-saving and environment-friendly silicone rubber comprises the following raw materials in parts by weight: 0.4-1 parts of ephedrine, 3-4 parts of dry acetylene sludge, 1-2 parts of ammonium octamolybdate, 1-2 parts of polyacrylamide, 1-2 parts of 2-bromo-4-methylphenol, 10-14 parts of triglycol dioctate, 1-2 parts of an accelerant TT, 1-2 parts of an anti-aging agent NBC (Nickel dibutyldithiocarbamate), 5-7 parts of nylon 1212 resin, 2-3 parts of calcium hydrogen phosphate, 0.4-1 part of 4-dimethylamino-pyridine, 10-16 parts of sepiolite powder, 3-4 parts of a rare earth additive, 100-110 parts of methyl vinyl phenyl silicone rubber and 1-2 parts of sulphur. The rare earth additive is prepared as follows: with deionized water as a solvent, a colloid formed by magnesium aluminum silicate and polyvinyl acetal is sufficiently mixed to form a colloidal state with high stability and high viscosity; treated acidized rare earth is added into the colloidal system to form a stable rear earth colloidal solution; the stable rear earth colloidal solution is blended with esterified zeolite for modification. According to the technical scheme, not only mechanical properties and surface resistance of a finished product can be effectively improved, but also the compatibility between different materials can be enhanced and the stability of the finished product can be improved; the rare earth can reduce the wear volume loss and improve the wear resistance of the rubber.
Description
Technical field
The present invention relates generally to rubber materials, particularly relates to a kind of low-cost energy-saving environmental protection silicon rubber.
Background technology
Silicon rubber has the performances such as excellent thermotolerance, winter hardiness, dielectricity, resistance to ozone and resistance to atmospheric aging, and the outstanding performance of silicon rubber is that use temperature is broad, can at-60 DEG C (or lower temperature) to+250 DEG C (or higher temperature) life-time service.But the mechanical propertys such as the tensile strength of silicon rubber and tearing toughness are poor, its physical and mechanical properties is not as good as most of synthetic rubber at normal temperatures, and except nitrile silicon, trifluoropropyl siloxane, general silicon rubber oil resistant, solvent resistance is not good enough, therefore silicon rubber should not be used for the occasion of usual terms, therefore in silicon rubber, add various auxiliary agent to improve its proper property, its integrated quality can be improved, improve the suitability in each field.
Summary of the invention
The object of the invention is exactly to provide a kind of low-cost energy-saving environmental protection silicon rubber.
The present invention is achieved by the following technical solutions:
A kind of low-cost energy-saving environmental protection silicon rubber, is characterized in that what it was made up of the raw material of following weight parts:
Ephedrine 0.4-1, dry carbide slag 3-4, ammonium octamolybdate 1-2, polyacrylamide 1-2,2-bromo-4-methylphenol 1-2, triethylene glycol two 2-ethylhexoate 10-14, promotor TT1-2, antioxidant NBC 1-2, nylon 1212 resin 5-7, secondary calcium phosphate 2-3, DMAP 0.4-1, sepiolite powder 10-16, rare-earth additive 3-4, methyl vinyl phenyl silicon rubber 100-110, sulphur 1-2;
Described rare-earth additive is made up of the raw material of following weight parts:
Magnesium aluminum silicate 2-3, polyvinyl acetal 10-16, dodecanedioic acid 1-2, Lanthanum trichloride 5-6, nylon acid methyl esters 0.4-1, urea 0.6-1, formaldehyde 2-4, deionized water 120-130, quadrol 0.1-0.3, scolecite 40-50;
By dodecanedioic acid, Lanthanum trichloride mixing, add the 20-30% of above-mentioned deionized water weight, be uniformly mixed 40-50 minute, drip quadrol, stir after dropwising, obtain acidifying rare earth;
Scolecite being placed on concentration is soak 1-2 hour in the sodium hydroxide solution of 6-10%, mixes, be uniformly mixed 10-20 minute, obtain esterification zeolite at 60-70 DEG C after filtering washing with nylon acid methyl esters;
Polyvinyl acetal is joined in residue deionized water, at 90-95 DEG C, be uniformly mixed 30-40 minute, add acidifying rare earth, formaldehyde, magnesium aluminum silicate, continue insulation reaction 10-20 minute, drip urea, at 60-65 DEG C, be uniformly mixed 30-40 minute after dropwising, obtain rare earth glue;
Rare earth glue is mixed with esterification zeolite, puts into teflon-lined stainless steel cauldron, in the baking oven of 140-150 DEG C, place 2-3 hour, take out cooling, dry under room temperature, obtain described rare-earth additive.
2, a preparation method for low-cost energy-saving environmental protection silicon rubber as claimed in claim 1, is characterized in that comprising the following steps:
(1) dry carbide slag being sent into concentration is soak 1-2 hour in the sulphuric acid soln of 8-20%, takes out washing 2-3 time, dry, abrasive dust;
(2) secondary calcium phosphate is joined in 5-10 times of water, the dry calcium carbide ground-slag after ammonium octamolybdate and above-mentioned process is added after stirring, 20-30 minute is uniformly mixed at 60-80 DEG C, add polyacrylamide, be stirred to normal temperature, dehydration, adds the 20-30% of nylon 1212 resin, above-mentioned triethylene glycol two 2-ethylhexoate weight, insulation mixing 10-20 minute at 80-90 DEG C;
(3) 2-bromo-4-methylphenol is mixed with remaining triethylene glycol two 2-ethylhexoate, add sepiolite powder after stirring, stir at 90-100 DEG C, add ephedrine, be stirred to normal temperature;
(4) by each raw material mixing after above-mentioned process, stir, add methyl vinyl phenyl silicon rubber, put in mill evenly mixing, add each raw material except sulphur, adjustment roll spacing is to 1-2mm, and thin-pass 8-10 time, is uniformly dispersed, add each raw material of residue, mold pressing sulfidization molding at the temperature of 150-200 DEG C, curing time is 5-20 minute, obtains described low-cost energy-saving environmental protection silicon rubber.
Advantage of the present invention is:
Rubber articles of the present invention adds dry carbide slag, has recycled waste material, has saved the energy, reduces the pollution of environment, and good heat insulating, resistance to ozone, oxygen, light and weathering age are good.
Rare-earth additive of the present invention: the colloid that magnesium aluminum silicate and polyvinyl acetal are formed fully is merged under the condition being solvent with deionized water, stable, full-bodied colloidal state can be formed, acidifying rare earth after process is joined in this colloid system, form stable rare earth glue, then with esterification zeolite blending and modifying, not only effectively can improve mechanical property and the surface resistive of finished product, and the consistency of each storeroom can be strengthened, improve the stability of finished product, rare earth can reduce volume wear simultaneously, improves the wear resistance of rubber.
Embodiment
Embodiment 1
A kind of low-cost energy-saving environmental protection silicon rubber, is characterized in that what it was made up of the raw material of following weight parts:
Ephedrine 0.4, dry carbide slag 4, ammonium octamolybdate 1, polyacrylamide 2,2-bromo-4-methylphenol 1, triethylene glycol two 2-ethylhexoate 14, promotor TT2, antioxidant NBC 2, nylon 1212 resin 5, secondary calcium phosphate 2, DMAP 0.4, sepiolite powder 16, rare-earth additive 4, methyl vinyl phenyl silicon rubber 110, sulphur 2;
Described rare-earth additive is made up of the raw material of following weight parts:
Magnesium aluminum silicate 3, polyvinyl acetal 16, dodecanedioic acid 1, Lanthanum trichloride 6, nylon acid methyl esters 0.4, urea 0.6, formaldehyde 4, deionized water 130, quadrol 0.3, scolecite 50;
By dodecanedioic acid, Lanthanum trichloride mixing, add 30% of above-mentioned deionized water weight, be uniformly mixed 40 minutes, drip quadrol, stir after dropwising, obtain acidifying rare earth;
Scolecite being placed on concentration is soak 1 hour in the sodium hydroxide solution of 10%, mixes, be uniformly mixed 10 minutes, obtain esterification zeolite at 70 DEG C after filtering washing with nylon acid methyl esters;
Polyvinyl acetal is joined in residue deionized water, at 95 DEG C, be uniformly mixed 30 minutes, add acidifying rare earth, formaldehyde, magnesium aluminum silicate, continue insulation reaction 20 minutes, drip urea, at 65 DEG C, be uniformly mixed 40 minutes after dropwising, obtain rare earth glue;
Rare earth glue is mixed with esterification zeolite, puts into teflon-lined stainless steel cauldron, place 3 hours in the baking oven of 150 DEG C, take out cooling, dry under room temperature, obtain described rare-earth additive.
A preparation method for low-cost energy-saving environmental protection silicon rubber as claimed in claim 1, is characterized in that comprising the following steps:
(1) dry carbide slag being sent into concentration is soak 1-2 hour in the sulphuric acid soln of 8-20%, takes out washing 2 times, dry, abrasive dust;
(2) secondary calcium phosphate is joined in 10 times of water, the dry calcium carbide ground-slag after ammonium octamolybdate and above-mentioned process is added after stirring, 20 minutes are uniformly mixed at 80 DEG C, add polyacrylamide, be stirred to normal temperature, dehydration, add nylon 1212 resin, above-mentioned triethylene glycol two 2-ethylhexoate weight 30%, at 90 DEG C, be incubated mixing 20 minutes;
(3) 2-bromo-4-methylphenol is mixed with remaining triethylene glycol two 2-ethylhexoate, add sepiolite powder after stirring, stir at 100 DEG C, add ephedrine, be stirred to normal temperature;
(4) by each raw material mixing after above-mentioned process, stir, add methyl vinyl phenyl silicon rubber, put in mill evenly mixing, add each raw material except sulphur, adjustment roll spacing is to 1mm, and thin-pass 8 times, is uniformly dispersed, add each raw material of residue, mold pressing sulfidization molding at the temperature of 200 DEG C, curing time is 10 minutes, obtains described low-cost energy-saving environmental protection silicon rubber.
Performance test: tensile strength at yield: >=10MPa;
Elongation: >=350%;
Hot air aging (150 DEG C, 96h):
Tensile strength velocity of variation 14.4%, elongation change rate 23.5%.
Claims (2)
1. a low-cost energy-saving environmental protection silicon rubber, is characterized in that what it was made up of the raw material of following weight parts:
Ephedrine 0.4-1, dry carbide slag 3-4, ammonium octamolybdate 1-2, polyacrylamide 1-2,2-bromo-4-methylphenol 1-2, triethylene glycol two 2-ethylhexoate 10-14, promotor TT1-2, antioxidant NBC 1-2, nylon 1212 resin 5-7, secondary calcium phosphate 2-3, DMAP 0.4-1, sepiolite powder 10-16, rare-earth additive 3-4, methyl vinyl phenyl silicon rubber 100-110, sulphur 1-2;
Described rare-earth additive is made up of the raw material of following weight parts:
Magnesium aluminum silicate 2-3, polyvinyl acetal 10-16, dodecanedioic acid 1-2, Lanthanum trichloride 5-6, nylon acid methyl esters 0.4-1, urea 0.6-1, formaldehyde 2-4, deionized water 120-130, quadrol 0.1-0.3, scolecite 40-50;
By dodecanedioic acid, Lanthanum trichloride mixing, add the 20-30% of above-mentioned deionized water weight, be uniformly mixed 40-50 minute, drip quadrol, stir after dropwising, obtain acidifying rare earth;
Scolecite being placed on concentration is soak 1-2 hour in the sodium hydroxide solution of 6-10%, mixes, be uniformly mixed 10-20 minute, obtain esterification zeolite at 60-70 DEG C after filtering washing with nylon acid methyl esters;
Polyvinyl acetal is joined in residue deionized water, at 90-95 DEG C, be uniformly mixed 30-40 minute, add acidifying rare earth, formaldehyde, magnesium aluminum silicate, continue insulation reaction 10-20 minute, drip urea, at 60-65 DEG C, be uniformly mixed 30-40 minute after dropwising, obtain rare earth glue;
Rare earth glue is mixed with esterification zeolite, puts into teflon-lined stainless steel cauldron, in the baking oven of 140-150 DEG C, place 2-3 hour, take out cooling, dry under room temperature, obtain described rare-earth additive.
2. a preparation method for low-cost energy-saving environmental protection silicon rubber as claimed in claim 1, is characterized in that comprising the following steps:
(1) dry carbide slag being sent into concentration is soak 1-2 hour in the sulphuric acid soln of 8-20%, takes out washing 2-3 time, dry, abrasive dust;
(2) secondary calcium phosphate is joined in 5-10 times of water, the dry calcium carbide ground-slag after ammonium octamolybdate and above-mentioned process is added after stirring, 20-30 minute is uniformly mixed at 60-80 DEG C, add polyacrylamide, be stirred to normal temperature, dehydration, adds the 20-30% of nylon 1212 resin, above-mentioned triethylene glycol two 2-ethylhexoate weight, insulation mixing 10-20 minute at 80-90 DEG C;
(3) 2-bromo-4-methylphenol is mixed with remaining triethylene glycol two 2-ethylhexoate, add sepiolite powder after stirring, stir at 90-100 DEG C, add ephedrine, be stirred to normal temperature;
(4) by each raw material mixing after above-mentioned process, stir, add methyl vinyl phenyl silicon rubber, put in mill evenly mixing, add each raw material except sulphur, adjustment roll spacing is to 1-2mm, and thin-pass 8-10 time, is uniformly dispersed, add each raw material of residue, mold pressing sulfidization molding at the temperature of 150-200 DEG C, curing time is 5-20 minute, obtains described low-cost energy-saving environmental protection silicon rubber.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106150637A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | The processing molding method of silencing cotton coating in automobile exhaust pipe deafener |
CN106700299A (en) * | 2016-12-20 | 2017-05-24 | 安徽华天电缆有限公司 | Polystyrene cable material good toughness and difficult to tear |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103834173A (en) * | 2013-12-31 | 2014-06-04 | 迈高精细高新材料(深圳)有限公司 | Silicone rubber and preparation method thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103834173A (en) * | 2013-12-31 | 2014-06-04 | 迈高精细高新材料(深圳)有限公司 | Silicone rubber and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106150637A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | The processing molding method of silencing cotton coating in automobile exhaust pipe deafener |
CN106700299A (en) * | 2016-12-20 | 2017-05-24 | 安徽华天电缆有限公司 | Polystyrene cable material good toughness and difficult to tear |
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