CN105153493A - Heatproof and ageing resistant laboratory table top pad - Google Patents
Heatproof and ageing resistant laboratory table top pad Download PDFInfo
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- CN105153493A CN105153493A CN201510386468.3A CN201510386468A CN105153493A CN 105153493 A CN105153493 A CN 105153493A CN 201510386468 A CN201510386468 A CN 201510386468A CN 105153493 A CN105153493 A CN 105153493A
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Abstract
The invention discloses a heatproof and ageing resistant laboratory table top pad, which is prepared from a cis-polybutadiene/epoxy resin composite material. Specifically, the cis-polybutadiene/epoxy resin composite material comprises the following raw materials: cis-polybutadiene, epoxy resin, epoxidized natural rubber, nano-silica, modified graphene, alumina, magnesium oxide, zinc methacrylate, zinc oxide, stearic acid, sulfur, benzoyl peroxide, 2-ethyl-4-methylimidazole, vinyltri(beta-methoxyethoxy)silane, dioctyl phosphate, dibutyl phthalate, an anti-aging agent and an accelerant. The heatproof and ageing resistant laboratory table top pad provided by the invention has high strength, good heat resistance, and excellent aging resistance and corrosion resistance.
Description
Technical field
The present invention relates to lab material technical field, particularly relate to a kind of heat-resisting ageing-resisting laboratory table top pad.
Background technology
Laboratory table top pad is the most common in laboratory is also the most universal equipment, experiment table completes the operation of the experiments such as various chemistry or pharmacy because the staff carrying out testing is everlasting, thus just special requirement is proposed to the table top pad on worktable, generally speaking, require that table top spacer has anti-chemical burn into thermotolerance, ageing resistance and oil-proofness.
At present, the kind of laboratory table top pad is varied, but along with the development of society, the performance of people to laboratory table top is had higher requirement, existing its thermotolerance of table top pad and ageing resistance are not very desirable, in the process used, easily there is the phenomenon of cracking, peeling, limit its application.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of heat-resisting ageing-resisting laboratory table top pad, its intensity is high, resistance toheat good, ageing-resistant and excellent anti-corrosion performance.
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 50-70 part, epoxy resin 20-30 part, epoxy natural rubber 10-20 part, nano silicon 20-35 part, modified graphene 10-25 part, aluminum oxide 5-10 part, magnesium oxide 2-6 part, zinc methacrylate 3-8 part, zinc oxide 3-7 part, stearic acid 1-2.5 part, sulphur 0.5-1 part, benzoyl peroxide 1-2 part, 2-ethyl-4-methylimidazole 8-20 part, vinyl three ('beta '-methoxy oxyethyl group) silane 5-20 part, dioctylphosphoric acid ester 10-20 part, dibutyl phthalate 3-7 part, anti-aging agent 3-6 part, promotor 2-5 part,
Wherein, described modified graphene is prepared according to following technique:
S1, under the protection of nitrogen by tetrabutyl titanate, N, N-diethyl hydroxylamine, dioctylphosphoric acid ester, methacrylic acid, Alpha-hydroxy acetic acid mixing after stir, then heat up react, reaction terminate after through washing, distillation obtain properties-correcting agent;
S2, in reaction vessel, add ethanol, regulate the pH of ethanol be acidity, add the properties-correcting agent obtained, stir, add graphene oxide, heat up after stirring and react, add acetone after reaction terminates, and obtain modified graphene through suction filtration, washing, drying.
Preferably, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of cis-1,4-polybutadiene rubber, epoxy resin, epoxy natural rubber is 56-67:22-28:12-19.
Preferably, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of nano silicon, modified graphene, aluminum oxide, magnesium oxide, zinc methacrylate is 23-32:14-22:6.5-9:3.4-5.6:5-7.
Preferably, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of zinc oxide, stearic acid, sulphur, benzoyl peroxide is 4.2-5.3:1.4-2.2:0.7-0.9:1.4-1.8.
Preferably, the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 60-65 part, epoxy resin 24-26 part, epoxy natural rubber 15-18 part, nano silicon 28-31 part, modified graphene 16-20 part, aluminum oxide 7.5-8.2 part, magnesium oxide 4-5.2 part, zinc methacrylate 5.8-6.3 part, zinc oxide 4.8-5.2 part, stearic acid 1.6-2.1 part, sulphur 0.75-0.83 part, benzoyl peroxide 1.5-1.7 part, 2-ethyl-4-methylimidazole 13-17 part, vinyl three ('beta '-methoxy oxyethyl group) silane 12-16 part, dioctylphosphoric acid ester 13-17 part, dibutyl phthalate 5.8-6.4 part, anti-aging agent 5.2-5.9 part, promotor 3.8-4.5 part.
Preferably, the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 62 parts, epoxy resin 25 parts, epoxy natural rubber 15.8 parts, nano silicon 30 parts, modified graphene 18 parts, 7.8 parts, aluminum oxide, 4.6 parts, magnesium oxide, zinc methacrylate 6 parts, 5 parts, zinc oxide, stearic acid 2 parts, 0.81 part, sulphur, benzoyl peroxide 1.6 parts, 2-ethyl-4-methylimidazole 15 parts, 14 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 13.4 parts, dibutyl phthalate 6 parts, 5.4 parts, anti-aging agent, promotor 4.1 parts.
Preferably, described anti-aging agent is one or more the combination in antioxidant SP, anti-aging agent RD, antioxidant 4010NA, antioxidant MB, antioxidant MB Z.
Preferably, described promotor is one or more the combination in vulkacit D TDM, altax, vulkacit D PTT, promotor ZDC, Vulcanization accelerator TMTD, accelerant N A-22.
Preferably, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 40-50 part tetrabutyl titanate and 0.4-0.8 part N by weight, N-diethyl hydroxylamine, then add 15-25 part dioctylphosphoric acid ester, 5-15 part methacrylic acid and 5-10 part Alpha-hydroxy acetic acid successively and stir, be warming up to 70-85 DEG C and carry out reaction 3-4h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 40-55 part ethanol and regulate the pH of ethanol to be 2-6 by weight, add the properties-correcting agent that 1.5-3 part obtains, stir, add 30-50 part graphene oxide, be warming up to 55-70 DEG C after stirring and carry out reaction 3-5h, add 8-20 part acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Preferably, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 42-48 part tetrabutyl titanate and 0.45-0.76 part N by weight, N-diethyl hydroxylamine, then add 17-23 part dioctylphosphoric acid ester, 6-12 part methacrylic acid and 6-9 part Alpha-hydroxy acetic acid successively and stir, be warming up to 74-83 DEG C and carry out reaction 3.6-3.8h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 42-50 part ethanol and regulate the pH of ethanol to be 3-6 by weight, add the properties-correcting agent that 1.7-2.4 part obtains, stir, add 36-47 part graphene oxide, be warming up to 62-68 DEG C after stirring and carry out reaction 3.8-4.5h, add 10-17 part acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Preferably, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 46 parts of tetrabutyl titanates and 0.5 part of N by weight, N-diethyl hydroxylamine, then add 21 parts of dioctylphosphoric acid esters, 9 parts of methacrylic acids and 8.3 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 79 DEG C and carry out reaction 3.7h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 46 parts of ethanol and regulate the pH of ethanol to be 5 by weight, add 2.1 parts of properties-correcting agent obtained, stir, add 39 parts of graphene oxides, be warming up to 66 DEG C after stirring and carry out reaction 4.2h, add 14 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Cis-1,4-polybutadiene rubber/epoxy resin composite material of the present invention, can rubber preparation technology conveniently, each raw material is carried out mixing, sulfuration by proportioning and obtains.
In cis-1,4-polybutadiene rubber/epoxy resin composite material of the present invention, cis-1,4-polybutadiene rubber resistance to low temperature, elasticity and wear resisting property excellence, and thermogenesis performance is low, epoxy resin mechanical property and resistance to elevated temperatures excellence, epoxy natural rubber auxiliary under, the blended property of cis-1,4-polybutadiene rubber and epoxy resin is good, by controlling the ratio of cis-1,4-polybutadiene rubber and epoxy resin, make epoxy resin in cis-1,4-polybutadiene rubber, define continuous print network structure, give the lower temperature resistance of matrix material excellence, wear resistance, elasticity and shock resistance, and epoxy resin is evenly dispersed in rubber matrix, the long-time oxicracking at high temperature of rubber in matrix can be stopped, improve the thermal ageing resistant performance of rubber, tetrabutyl titanate and dioctylphosphoric acid ester, hydroxyl in methacrylic acid and Alpha-hydroxy acetic acid reacts, generate titanate coupling agent, after mixing with graphene oxide, one end of titanate coupling agent can react with the hydroxyl of surface of graphene oxide, the other end can react with rubber, bridge beam action is served between rubber matrix and filler, improve the consistency between rubber matrix and filler, add the bonding force between graphene oxide and rubber matrix, graphene oxide is uniformly dispersed in rubber matrix, laminate structure wherein can stop in rubber decomposition course the micromolecular volatilization produced, suppress the decomposition of rubber, after coordinating with aluminum oxide, improve the thermostability of matrix material, when matrix material is subject to External Force Acting, rubber-based physical efficiency effectively by load transfer to high-modulus, on the graphene oxide filler of high strength, thus serve obvious enhancement, with nano silicon, aluminum oxide and magnesium oxide coordinate, improve the tensile strength of matrix material, tensile yield, stress at definite elongation and hardness, vinyl three ('beta '-methoxy oxyethyl group) silane one end wherein can be reacted with epoxy resin, and the other end can react with modified graphene and rubber, while improving consistency, improves the thermotolerance of material, in the process of elastomeric material burning, graphene oxide can be decomposed into carbonic acid gas etc. and not fire micro-molecular gas, and form fine and close continuous print layer of charcoal, prevent the transmission of heat and the transmission of material, improve the flame retardant properties of matrix material, and the dielectric properties that graphene oxide has had, join in matrix material, give the dielectric properties that matrix material is high, make it under high pressure not easily breakdown.
In the present invention, described cis-1,4-polybutadiene rubber/epoxy resin composite material good combination property, the laboratory table top pad intensity made of it is high, resistance toheat good, ageing-resistant and excellent anti-corrosion performance.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
In a particular embodiment, in the raw material of cis-1,4-polybutadiene rubber/epoxy resin composite material of the present invention, the weight part of cis-1,4-polybutadiene rubber can be 50,52,53,54.5,56,58,59.3,60,62,63,64.5,67,68.3,69,69.4,70 parts; The weight part of epoxy resin can be 20,21,21.5,23,24,25.3,26,27,28,28.6,29,29.4,30 parts; The weight part of epoxy natural rubber can be 10,12,13,14.5,16,17,17.4,18,18.5,19,19.3,20 parts; The weight part of nano silicon can be 20,23,25,26,27.3,28,29,29.3,31,32,33.4,34,34.6,35 parts; The weight part of modified graphene can be 10,10.5,12,13,13.4,14,14.6,15,16,18,19,19.3,21,22,23.4,24,24.5,25 parts; The weight part of aluminum oxide can be 5,5.3,5.8,6,6.4,7,7.5,8,8.3,9,9.4,10 parts; Magnesian weight part can be 2,2.3,2.8,3,3.4,3.7,4,4.5,5,5.6,6 parts; The weight part of zinc methacrylate can be 3,3.4,4,4.6,5,5.3,7,7.6,8 parts; The weight part of zinc oxide can be 3,3.4,3.8,4,4.5,5.3,6,7 parts; Stearic weight part can be 1,1.05,1.6,1.85,1.9,2,2.1,2.23,2.34,2.4,2.5 part; The weight part of sulphur can be 0.5,0.58,0.6,0.75,0.9,0.94,1 part; The weight part of benzoyl peroxide can be 1,1.2,1.35,1.5,1.64,1.7,1.85,1.9,1.94,2 part; The weight part of 2-ethyl-4-methylimidazole can be 8,8.6,9,10,12,13,14.5,16,16.7,18,18.6,19,19.3,20 parts; The weight part of vinyl three ('beta '-methoxy oxyethyl group) silane can be 5,6,7,8,9,9.3,10,12,13,14,15.6,16,16.3,17,17.5,18,19,19.6,20 parts; The weight part of dioctylphosphoric acid ester can be 10,12,13,14,15,16.3,17,18,18.6,19,19.4,20 parts; The weight part of dibutyl phthalate can be 3,3.4,4,4.5,6,6.3,7 parts; The weight part of anti-aging agent can be 3,3.4,3.8,4,4.5,5,5.3,5.7,6 parts; The weight part of promotor can be 2,2.3,2.6,2.85,3,3.4,3.7,4,4.6,5 parts.
Embodiment 1
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 50 parts, epoxy resin 30 parts, epoxy natural rubber 20 parts, nano silicon 20 parts, modified graphene 25 parts, 5 parts, aluminum oxide, 6 parts, magnesium oxide, zinc methacrylate 3 parts, 7 parts, zinc oxide, stearic acid 1 part, 1 part, sulphur, benzoyl peroxide 1 part, 2-ethyl-4-methylimidazole 20 parts, 5 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 20 parts, dibutyl phthalate 3 parts, 6 parts, anti-aging agent, promotor 2 parts,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 48 parts of tetrabutyl titanates and 0.45 part of N by weight, N-diethyl hydroxylamine, then add 23 parts of dioctylphosphoric acid esters, 6 parts of methacrylic acids and 9 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 74 DEG C and carry out reaction 3.8h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 42 parts of ethanol and regulate the pH of ethanol to be 6 by weight, add 1.7 parts of properties-correcting agent obtained, stir, add 47 parts of graphene oxides, be warming up to 62 DEG C after stirring and carry out reaction 4.5h, add 10 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Embodiment 2
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 70 parts, epoxy resin 20 parts, epoxy natural rubber 10 parts, nano silicon 35 parts, modified graphene 10 parts, 10 parts, aluminum oxide, 2 parts, magnesium oxide, zinc methacrylate 8 parts, 3 parts, zinc oxide, stearic acid 2.5 parts, 0.5 part, sulphur, benzoyl peroxide 2 parts, 2-ethyl-4-methylimidazole 8 parts, 20 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 10 parts, dibutyl phthalate 7 parts, antioxidant SP 3 parts, altax 5 parts,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 42 parts of tetrabutyl titanates and 0.76 part of N by weight, N-diethyl hydroxylamine, then add 17 parts of dioctylphosphoric acid esters, 12 parts of methacrylic acids and 6 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 83 DEG C and carry out reaction 3.6h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 50 parts of ethanol and regulate the pH of ethanol to be 3 by weight, add 2.4 parts of properties-correcting agent obtained, stir, add 36 parts of graphene oxides, be warming up to 68 DEG C after stirring and carry out reaction 3.8h, add 17 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Embodiment 3
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 60 parts, epoxy resin 26 parts, epoxy natural rubber 18 parts, nano silicon 28 parts, modified graphene 20 parts, 7.5 parts, aluminum oxide, 5.2 parts, magnesium oxide, zinc methacrylate 5.8 parts, 5.2 parts, zinc oxide, stearic acid 1.6 parts, 0.83 part, sulphur, benzoyl peroxide 1.5 parts, 2-ethyl-4-methylimidazole 17 parts, 12 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 17 parts, dibutyl phthalate 5.8 parts, antioxidant 4010NA 5.9 parts, vulkacit D TDM2 part, altax 1.8 parts,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 44 parts of tetrabutyl titanates and 0.63 part of N by weight, N-diethyl hydroxylamine, then add 20 parts of dioctylphosphoric acid esters, 9 parts of methacrylic acids and 8.4 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 79 DEG C and carry out reaction 3.6h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 47 parts of ethanol and regulate the pH of ethanol to be 4 by weight, add 2.1 parts of properties-correcting agent obtained, stir, add 42 parts of graphene oxides, be warming up to 66 DEG C after stirring and carry out reaction 3.9h, add 13 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Embodiment 4
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 65 parts, epoxy resin 24 parts, epoxy natural rubber 15 parts, nano silicon 31 parts, modified graphene 16 parts, 8.2 parts, aluminum oxide, 4 parts, magnesium oxide, zinc methacrylate 6.3 parts, 4.8 parts, zinc oxide, stearic acid 2.1 parts, 0.75 part, sulphur, benzoyl peroxide 1.7 parts, 2-ethyl-4-methylimidazole 13 parts, 16 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 13 parts, dibutyl phthalate 6.4 parts, anti-aging agent RD 2 parts, antioxidant 4010NA 1.5 parts, antioxidant MB 1.7 parts, promotor ZDC4.5 part,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 40 parts of tetrabutyl titanates and 0.8 part of N by weight, N-diethyl hydroxylamine, then add 15 parts of dioctylphosphoric acid esters, 15 parts of methacrylic acids and 5 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 85 DEG C and carry out reaction 3h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 40 parts of ethanol and regulate the pH of ethanol to be 6 by weight, add 1.5 parts of properties-correcting agent obtained, stir, add 50 parts of graphene oxides, be warming up to 55 DEG C after stirring and carry out reaction 5h, add 8 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Embodiment 5
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 56 parts, epoxy resin 25 parts, epoxy natural rubber 18.6 parts, nano silicon 31 parts, modified graphene 16 parts, 8.7 parts, aluminum oxide, 4.5 parts, magnesium oxide, zinc methacrylate 5 parts, 6.2 parts, zinc oxide, stearic acid 1.8 parts, 0.8 part, sulphur, benzoyl peroxide 1.6 parts, 2-ethyl-4-methylimidazole 12 parts, 11 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 17 parts, dibutyl phthalate 5.3 parts, anti-aging agent RD 2 parts, antioxidant MB Z2.2 part, Vulcanization accelerator TMTD 1.5 parts, accelerant N A-222.3 part,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 50 parts of tetrabutyl titanates and 0.4 part of N by weight, N-diethyl hydroxylamine, then add 25 parts of dioctylphosphoric acid esters, 5 parts of methacrylic acids and 10 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 70 DEG C and carry out reaction 4h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 55 parts of ethanol and regulate the pH of ethanol to be 2 by weight, add 3 parts of properties-correcting agent obtained, stir, add 30 parts of graphene oxides, be warming up to 70 DEG C after stirring and carry out reaction 3h, add 20 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
Embodiment 6
A kind of heat-resisting ageing-resisting laboratory table top pad that the present invention proposes, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 62 parts, epoxy resin 25 parts, epoxy natural rubber 15.8 parts, nano silicon 30 parts, modified graphene 18 parts, 7.8 parts, aluminum oxide, 4.6 parts, magnesium oxide, zinc methacrylate 6 parts, 5 parts, zinc oxide, stearic acid 2 parts, 0.81 part, sulphur, benzoyl peroxide 1.6 parts, 2-ethyl-4-methylimidazole 15 parts, 14 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 13.4 parts, dibutyl phthalate 6 parts, antioxidant SP 1 part, anti-aging agent RD 0.9 part, antioxidant 4010NA 1.2 parts, antioxidant MB 1 part, antioxidant MB Z1.3 part, vulkacit D TDM0.8 part, altax 0.7 part, vulkacit D PTT0.9 part, promotor ZDC0.3 part, Vulcanization accelerator TMTD 0.5 part, accelerant N A-220.9 part,
Wherein, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 46 parts of tetrabutyl titanates and 0.5 part of N by weight, N-diethyl hydroxylamine, then add 21 parts of dioctylphosphoric acid esters, 9 parts of methacrylic acids and 8.3 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 79 DEG C and carry out reaction 3.7h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 46 parts of ethanol and regulate the pH of ethanol to be 5 by weight, add 2.1 parts of properties-correcting agent obtained, stir, add 39 parts of graphene oxides, be warming up to 66 DEG C after stirring and carry out reaction 4.2h, add 14 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a heat-resisting ageing-resisting laboratory table top pad, it is characterized in that, cis-1,4-polybutadiene rubber/epoxy resin composite material is adopted to be made, the raw material of wherein said cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 50-70 part, epoxy resin 20-30 part, epoxy natural rubber 10-20 part, nano silicon 20-35 part, modified graphene 10-25 part, aluminum oxide 5-10 part, magnesium oxide 2-6 part, zinc methacrylate 3-8 part, zinc oxide 3-7 part, stearic acid 1-2.5 part, sulphur 0.5-1 part, benzoyl peroxide 1-2 part, 2-ethyl-4-methylimidazole 8-20 part, vinyl three ('beta '-methoxy oxyethyl group) silane 5-20 part, dioctylphosphoric acid ester 10-20 part, dibutyl phthalate 3-7 part, anti-aging agent 3-6 part, promotor 2-5 part,
Wherein, described modified graphene is prepared according to following technique:
S1, under the protection of nitrogen by tetrabutyl titanate, N, N-diethyl hydroxylamine, dioctylphosphoric acid ester, methacrylic acid, Alpha-hydroxy acetic acid mixing after stir, then heat up react, reaction terminate after through washing, distillation obtain properties-correcting agent;
S2, in reaction vessel, add ethanol, regulate the pH of ethanol be acidity, add the properties-correcting agent obtained, stir, add graphene oxide, heat up after stirring and react, add acetone after reaction terminates, and obtain modified graphene through suction filtration, washing, drying.
2. heat-resisting ageing-resisting laboratory table top pad according to claim 1, it is characterized in that, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of cis-1,4-polybutadiene rubber, epoxy resin, epoxy natural rubber is 56-67:22-28:12-19.
3. heat-resisting ageing-resisting laboratory table top pad according to claim 1 or 2, it is characterized in that, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of nano silicon, modified graphene, aluminum oxide, magnesium oxide, zinc methacrylate is 23-32:14-22:6.5-9:3.4-5.6:5-7.
4. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-3, it is characterized in that, in the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material, the weight ratio of zinc oxide, stearic acid, sulphur, benzoyl peroxide is 4.2-5.3:1.4-2.2:0.7-0.9:1.4-1.8.
5. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-4, it is characterized in that, the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 60-65 part, epoxy resin 24-26 part, epoxy natural rubber 15-18 part, nano silicon 28-31 part, modified graphene 16-20 part, aluminum oxide 7.5-8.2 part, magnesium oxide 4-5.2 part, zinc methacrylate 5.8-6.3 part, zinc oxide 4.8-5.2 part, stearic acid 1.6-2.1 part, sulphur 0.75-0.83 part, benzoyl peroxide 1.5-1.7 part, 2-ethyl-4-methylimidazole 13-17 part, vinyl three ('beta '-methoxy oxyethyl group) silane 12-16 part, dioctylphosphoric acid ester 13-17 part, dibutyl phthalate 5.8-6.4 part, anti-aging agent 5.2-5.9 part, promotor 3.8-4.5 part,
Preferably, the raw material of described cis-1,4-polybutadiene rubber/epoxy resin composite material comprises following component by weight: cis-1,4-polybutadiene rubber 62 parts, epoxy resin 25 parts, epoxy natural rubber 15.8 parts, nano silicon 30 parts, modified graphene 18 parts, 7.8 parts, aluminum oxide, 4.6 parts, magnesium oxide, zinc methacrylate 6 parts, 5 parts, zinc oxide, stearic acid 2 parts, 0.81 part, sulphur, benzoyl peroxide 1.6 parts, 2-ethyl-4-methylimidazole 15 parts, 14 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, dioctylphosphoric acid ester 13.4 parts, dibutyl phthalate 6 parts, 5.4 parts, anti-aging agent, promotor 4.1 parts.
6. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-5, is characterized in that, described anti-aging agent is one or more the combination in antioxidant SP, anti-aging agent RD, antioxidant 4010NA, antioxidant MB, antioxidant MB Z.
7. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-6, it is characterized in that, described promotor is one or more the combination in vulkacit D TDM, altax, vulkacit D PTT, promotor ZDC, Vulcanization accelerator TMTD, accelerant N A-22.
8. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-7, it is characterized in that, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 40-50 part tetrabutyl titanate and 0.4-0.8 part N by weight, N-diethyl hydroxylamine, then add 15-25 part dioctylphosphoric acid ester, 5-15 part methacrylic acid and 5-10 part Alpha-hydroxy acetic acid successively and stir, be warming up to 70-85 DEG C and carry out reaction 3-4h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 40-55 part ethanol and regulate the pH of ethanol to be 2-6 by weight, add the properties-correcting agent that 1.5-3 part obtains, stir, add 30-50 part graphene oxide, be warming up to 55-70 DEG C after stirring and carry out reaction 3-5h, add 8-20 part acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
9. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-8, it is characterized in that, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 42-48 part tetrabutyl titanate and 0.45-0.76 part N by weight, N-diethyl hydroxylamine, then add 17-23 part dioctylphosphoric acid ester, 6-12 part methacrylic acid and 6-9 part Alpha-hydroxy acetic acid successively and stir, be warming up to 74-83 DEG C and carry out reaction 3.6-3.8h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 42-50 part ethanol and regulate the pH of ethanol to be 3-6 by weight, add the properties-correcting agent that 1.7-2.4 part obtains, stir, add 36-47 part graphene oxide, be warming up to 62-68 DEG C after stirring and carry out reaction 3.8-4.5h, add 10-17 part acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
10. heat-resisting ageing-resisting laboratory table top pad according to any one of claim 1-9, it is characterized in that, described modified graphene is prepared according to following technique:
S1, in reaction vessel, pass into nitrogen, add 46 parts of tetrabutyl titanates and 0.5 part of N by weight, N-diethyl hydroxylamine, then add 21 parts of dioctylphosphoric acid esters, 9 parts of methacrylic acids and 8.3 parts of Alpha-hydroxy acetic acid successively and stir, be warming up to 79 DEG C and carry out reaction 3.7h, reaction terminates rear washed with isopropyl alcohol and carries out underpressure distillation to obtain properties-correcting agent;
S2, in reaction vessel, add 46 parts of ethanol and regulate the pH of ethanol to be 5 by weight, add 2.1 parts of properties-correcting agent obtained, stir, add 39 parts of graphene oxides, be warming up to 66 DEG C after stirring and carry out reaction 4.2h, add 14 parts of acetone after reaction terminates, and carry out suction filtration with mixed fine millipore filtration, and carry out alcohol wash to neutral, vacuum-drying obtains modified graphene.
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