CN105131492A - Composite modified high-performance natural rubber material - Google Patents
Composite modified high-performance natural rubber material Download PDFInfo
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- CN105131492A CN105131492A CN201510507724.XA CN201510507724A CN105131492A CN 105131492 A CN105131492 A CN 105131492A CN 201510507724 A CN201510507724 A CN 201510507724A CN 105131492 A CN105131492 A CN 105131492A
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- 244000043261 Hevea brasiliensis Species 0.000 title claims abstract description 50
- 229920003052 natural elastomer Polymers 0.000 title claims abstract description 50
- 229920001194 natural rubber Polymers 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- NXQMCAOPTPLPRL-UHFFFAOYSA-N 2-(2-benzoyloxyethoxy)ethyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCCOCCOC(=O)C1=CC=CC=C1 NXQMCAOPTPLPRL-UHFFFAOYSA-N 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 28
- -1 tetra(N,N-diethyl dithiocarbamate) lanthanum diethylamine Chemical compound 0.000 claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 23
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 22
- 229920002472 Starch Polymers 0.000 claims abstract description 19
- 239000008107 starch Substances 0.000 claims abstract description 19
- 235000019698 starch Nutrition 0.000 claims abstract description 19
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 18
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 14
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000005864 Sulphur Substances 0.000 claims abstract description 14
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 14
- BTVVNGIPFPKDHO-UHFFFAOYSA-K cerium(3+);octadecanoate Chemical compound [Ce+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O BTVVNGIPFPKDHO-UHFFFAOYSA-K 0.000 claims abstract description 14
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011022 opal Substances 0.000 claims abstract description 14
- 239000011787 zinc oxide Substances 0.000 claims abstract description 14
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 13
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008117 stearic acid Substances 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 21
- 230000003712 anti-aging effect Effects 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 20
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- 229920003987 resole Polymers 0.000 claims description 17
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 17
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 claims description 15
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 12
- 229950004394 ditiocarb Drugs 0.000 claims description 12
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 6
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims description 5
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 abstract description 8
- 239000005060 rubber Substances 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- 239000013536 elastomeric material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000024287 Areas Species 0.000 description 1
- 238000005575 aldol reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The invention discloses a composite modified high-performance natural rubber material. The composite modified high-performance natural rubber material comprises methyl methacrylate grafted natural rubber, butadiene styrene rubber, polyurethane elastomer, stearic acid, zinc oxide, sulphur, benzoyl peroxide, opal, nano titanium dioxide, nano calcium carbonate, zinc borate, starch, phenolic resin, hexamethylenetetramine, cerium stearate, tetra(N,N-diethyl dithiocarbamate) lanthanum diethylamine, accelerant D, accelerant TT, glycidyl methacrylate, diethylene glycol dibenzoate, and an antioxidant. The composite modified high-performance natural rubber material is high in strength and wear resistance, and small in compression set; and rubber products prepared from the composite modified high-performance natural rubber material are long in service life.
Description
Technical field
The present invention relates to technical field of rubber material, particularly relate to a kind of composite modified high-property natural rubber material.
Background technology
Natural rubber is as important industrial raw material and strategic materials, there is excellent over-all properties, as high visco-elasticity, good insulativity, wear resistance, resistance to air loss and flexible resistance, be widely used in the fields such as space flight and aviation, defence and military, doughnut, plane tyre, medical elastomer.Different Application Areass, proposes different requirements to the performance of natural rubber.The character of natural rubber itself can not meet the requirement of different field, need to carry out modification and just there is actual using value, and the modification technology of China's natural rubber backwardness relatively, its intensity of the natural rubber material obtained at present, wear resistance and compression set are not very desirable.
Summary of the invention
The present invention proposes a kind of composite modified high-property natural rubber material, its intensity is high, wear resistance good, and compression set is little, the rubber item long service life made of it.
The present invention proposes a kind of composite modified high-property natural rubber material, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 70-85 part, styrene-butadiene rubber(SBR) 5-25 part, polyurethane elastomer 5-10 part, stearic acid 1.2-3 part, zinc oxide 1.5-3 part, sulphur 1-3 part, benzoyl peroxide 0.8-2.5 part, opal 2-10 part, nano titanium oxide 3-10 part, nano-calcium carbonate 3-15 part, zinc borate 2-8 part, starch 15-35 part, resol 6-15 part, vulkacit H 1-2.5 part, cerium stearate 1-2.5 part, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 0.8-1.5 part, vulkacit D 0.2-0.8 part, promotor TT0.3-1.5 part, glycidyl methacrylate 1-5 part, Diethylene Glycol Dibenzoate 0.5-2 part, anti-aging agent 1.5-4 part.
Preferably, in its raw material, the weight ratio of methyl methacrylate-grafted natural rubber, styrene-butadiene rubber(SBR), polyurethane elastomer is 76-83:10-20:6-9.
Preferably, in its raw material, the weight ratio of starch, resol, vulkacit H is 20-30:8-13:1.5-2.2.
Preferably, in its raw material, four (N, N-diethyldithiocar bamic acids) close lanthanum diethylamine, vulkacit D, promotor TT weight ratio be 0.9-1.2:0.5-0.8:0.5-1.3.
Preferably, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 80-83 part, styrene-butadiene rubber(SBR) 12-16 part, polyurethane elastomer 6.5-7.2 part, stearic acid 1.8-2.3 part, zinc oxide 1.9-2.6 part, sulphur 1.9-2.5 part, benzoyl peroxide 1.5-2.0 part, opal 5-7 part, nano titanium oxide 5-8.5 part, nano-calcium carbonate 10-13 part, zinc borate 3.5-6.8 part, starch 22-26 part, resol 8.6-12 part, vulkacit H 1.9-2.1 part, cerium stearate 1.6-2.2 part, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1-1.2 part, vulkacit D 0.58-0.68 part, promotor TT0.63-0.9 part, glycidyl methacrylate 2.3-4.2 part, Diethylene Glycol Dibenzoate 0.9-1.4 part, anti-aging agent 2.6-3.3 part.
Preferably, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 82 parts, 15 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 6.8 parts, stearic acid 2.1 parts, 2.3 parts, zinc oxide, 2.2 parts, sulphur, benzoyl peroxide 1.8 parts, 6.3 parts, opal, nano titanium oxide 5.8 parts, nano-calcium carbonate 11 parts, zinc borate 6.2 parts, starch 25.3 parts, 11 parts, resol, vulkacit H 2 parts, cerium stearate 2.1 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.15 parts, vulkacit D 0.63 part, promotor TT0.75 part, glycidyl methacrylate 3.8 parts, Diethylene Glycol Dibenzoate 1.25 parts, 2.8 parts, anti-aging agent.
Preferably, the median size of described nano titanium oxide is 10-30nm; The median size of described nano-calcium carbonate is 10-35nm.
Preferably, described anti-aging agent is one or more the combination in antioxidant 4010NA, antioxidant 4020, antioxidant MB.
Composite modified high-property natural rubber material of the present invention method for preparing rubber is conveniently produced.
In the present invention, the elongation of the methyl methacrylate-grafted natural rubber that methyl methacrylate and natural rubber graft copolymerization obtain is large, hardness is high, there is good shock resistance, flex fatigue life and bond properties, there is good fillable simultaneously, the elastomeric material bounding force obtained after mixing with styrene-butadiene rubber(SBR) improves, tension set is little, after adding polyurethane elastomer, methyl methacrylate-grafted natural rubber, styrene-butadiene rubber(SBR) and polyurethane elastomer three coordinated, improve the wear resistance of elastomeric material, tearing toughness and elongation, the elastomeric material durometer level obtained is wide, shock-absorbing, good damping effect, heavy burden capacity is large, there is desirable oil resistant and chemical resistance, opal coordinates with nano titanium oxide, nano-calcium carbonate, zinc borate, improves intensity and the wear resistance of elastomeric material, can discharge negative ion, environmental protection simultaneously, resol joins in elastomeric material, vulkacit H auxiliary under, aldehyde radical wherein can with the hydroxyl generation aldol reaction in starch, make starch be cross-linked to form network structure, the network structure of formation can be interted mutually with the network structure of rubber, improves intensity and the density of elastomeric material, in addition, resol, as interface modifier, improves the consistency of starch and rubber, gives hardness, intensity and low deformability that elastomeric material is high.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In a particular embodiment, composite modified high-property natural rubber material of the present invention, in its raw material, the weight part of methyl methacrylate-grafted natural rubber can be 70, 72, 73.5, 74, 76, 78.3, 79, 79.4, 81, 82, 83.4, 84, 84.5, 85 parts, the weight part of styrene-butadiene rubber(SBR) can be 5, 5.6, 6, 6.3, 7, 7.8, 9, 12, 14, 15.6, 18, 19.3, 21, 22, 23.4, 24.5, 25 parts, the weight part of polyurethane elastomer can be 5, 5.6, 6.3, 7, 7.5, 8, 8.6, 9, 9.3, 10 parts, stearic weight part can be 1.2, 1.23, 1.35, 1.4, 1.5, 1.67, 1.8, 1.85, 1.9, 2, 2.2, 2.3, 2.45, 2.67, 2.83, 2.9, 2.94, 3 parts, the weight part of zinc oxide can be 1.5, 1.56, 1.63, 1.8, 1.9, 2, 2.3, 2.35, 2.5, 2.67, 2.8, 2.93, 3 parts, the weight part of sulphur can be 1, 1.23, 1.3, 1.34, 1.4, 1.5, 1.6, 1.85, 1.9, 2, 2.3, 2.35, 2.4, 2.56, 2.7, 2.8, 2.86, 3 parts, the weight part of benzoyl peroxide can be 0.8, 0.89, 0.93, 1, 1.15, 1.2, 1.3, 1.45, 1.68, 1.9, 1.94, 2, 2.2, 2.34, 2.4, 2.46, 2.5 parts, opaline weight part can be 2, 2.6, 2.8, 3, 3.4, 3.8, 4, 4.5, 5, 5.3, 6, 6.4, 7, 7.5, 8, 8.6, 9, 9.3, 10 parts, the weight part of nano titanium oxide can be 3, 3.6, 4, 4.5, 5, 5.6, 6, 6.3, 7, 7.8, 9, 9.3, 10 parts, the weight part of nano-calcium carbonate can be 3, 3.6, 4, 4.5, 5, 5.3, 6, 6.7, 7, 7.5, 8, 8.6, 9, 9.3, 10, 11, 12, 13.4, 14, 14.6, 15 parts, the weight part of zinc borate can be 2, 2.6, 3, 3.4, 4, 4.8, 6, 6.3, 7, 8 parts, the weight part of starch can be 15, 15.6, 17, 18.3, 19, 20, 20.3, 21, 23, 24.5, 26, 26.8, 29, 29.3, 31, 32, 33.4, 34, 34.5, 35 parts, the weight part of resol can be 6, 6.4, 7, 7.5, 8, 8.3, 9, 9.4, 10, 10.5, 11, 11.6, 12, 12.3, 13, 13.6, 14, 14.5, 15 parts, the weight part of vulkacit H can be 1, 1.2, 1.34, 1.5, 1.6, 1.68, 1.8, 1.9, 2, 2.3, 2.34, 2.46, 2.5 parts, the weight part of cerium stearate can be 1, 1.2, 1.34, 1.5, 1.67, 1.83, 1.9, 2, 2.3, 2.34, 2.43, 2.5 parts, the weight part that four (N, N-diethyldithiocar bamic acids) close lanthanum diethylamine can be 0.8, 0.86, 0.93, 1, 1.1, 1.16, 1.2, 1.34, 1.4, 1.46, 1.5 parts, the weight part of vulkacit D can be 0.2, 0.26, 0.34, 0.4, 0.45, 0.5, 0.56, 0.6, 0.63, 0.7, 0.72, 0.8 part, the weight part of promotor TT can be 0.3, 0.36, 0.5, 0.6, 0.63, 0.7, 0.75, 0.8, 0.86, 0.9, 0.94, 1, 1.1, 1.23, 1.34, 1.4, 1.5 parts, the weight part of glycidyl methacrylate can be 1, 1.2, 1.34, 1.4, 1.56, 1.7, 1.8, 2, 2.3, 2.6, 2.8, 3, 3.4, 3.7, 4, 4.5, 5 parts, the weight part of Diethylene Glycol Dibenzoate can be 0.5, 0.56, 0.8, 0.9, 1, 1.2, 1.3, 1.45, 1.6, 1.8, 1.93, 2 parts, the weight part of anti-aging agent can be 1.5, 1.8, 1.9, 2, 2.3, 2.6, 2.8, 3, 3.4, 3.6, 3.8, 4 parts.
Embodiment 1
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 70 parts, 25 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 5 parts, stearic acid 3 parts, 1.5 parts, zinc oxide, 3 parts, sulphur, benzoyl peroxide 0.8 part, 10 parts, opal, nano titanium oxide 3 parts, nano-calcium carbonate 15 parts, zinc borate 2 parts, starch 35 parts, 6 parts, resol, vulkacit H 2.5 parts, cerium stearate 1 part, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 0.8 part, vulkacit D 0.8 part, promotor TT0.3 part, glycidyl methacrylate 5 parts, Diethylene Glycol Dibenzoate 0.5 part, 4 parts, anti-aging agent.
Embodiment 2
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 85 parts, 5 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 10 parts, stearic acid 1.2 parts, 3 parts, zinc oxide, 1 part, sulphur, benzoyl peroxide 2.5 parts, 2 parts, opal, nano titanium oxide 10 parts, nano-calcium carbonate 3 parts, zinc borate 8 parts, starch 15 parts, 15 parts, resol, vulkacit H 1 part, cerium stearate 2.5 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.5 parts, vulkacit D 0.2 part, promotor TT1.5 part, glycidyl methacrylate 1 part, Diethylene Glycol Dibenzoate 2 parts, 1.5 parts, anti-aging agent,
Wherein, the median size of described nano titanium oxide is 10nm; The median size of described nano-calcium carbonate is 35nm; Described anti-aging agent is antioxidant 4010NA.
Embodiment 3
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 80 parts, 16 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 6.5 parts, stearic acid 2.3 parts, 1.9 parts, zinc oxide, 2.5 parts, sulphur, benzoyl peroxide 1.5 parts, 7 parts, opal, nano titanium oxide 5 parts, nano-calcium carbonate 13 parts, zinc borate 3.5 parts, starch 26 parts, 8.6 parts, resol, vulkacit H 2.1 parts, cerium stearate 1.6 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.2 parts, vulkacit D 0.58 part, promotor TT0.63 part, glycidyl methacrylate 4.2 parts, Diethylene Glycol Dibenzoate 0.9 part, 3.3 parts, anti-aging agent,
Wherein, the median size of described nano titanium oxide is 15nm; The median size of described nano-calcium carbonate is 25nm; Described anti-aging agent is that antioxidant 4020, antioxidant MB are by the mixture of 1:3 weight ratio.
Embodiment 4
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 79 parts, 19.3 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 8.6 parts, stearic acid 1.85 parts, 1.9 parts, zinc oxide, 2.8 parts, sulphur, benzoyl peroxide 2.46 parts, 7.5 parts, opal, nano titanium oxide 9 parts, nano-calcium carbonate 9 parts, zinc borate 4.8 parts, starch 29.3 parts, 13.6 parts, resol, vulkacit H 2.34 parts, cerium stearate 1.67 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.16 parts, vulkacit D 0.63 part, promotor TT1.1 part, glycidyl methacrylate 4.5 parts, Diethylene Glycol Dibenzoate 1.93 parts, 3.4 parts, anti-aging agent,
Wherein, the median size of described nano titanium oxide is 18nm; The median size of described nano-calcium carbonate is 22nm; Described anti-aging agent is antioxidant MB.
Embodiment 5
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 83 parts, 12 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 7.2 parts, stearic acid 1.8 parts, 2.6 parts, zinc oxide, 1.9 parts, sulphur, benzoyl peroxide 2.0 parts, 5 parts, opal, nano titanium oxide 8.5 parts, nano-calcium carbonate 10 parts, zinc borate 6.8 parts, starch 22 parts, 12 parts, resol, vulkacit H 1.9 parts, cerium stearate 2.2 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1 part, vulkacit D 0.68 part, promotor TT0.9 part, glycidyl methacrylate 2.3 parts, Diethylene Glycol Dibenzoate 1.4 parts, 2.6 parts, anti-aging agent,
Wherein, the median size of described nano titanium oxide is 30nm; The median size of described nano-calcium carbonate is 10nm; Described anti-aging agent is that antioxidant 4010NA, antioxidant 4020, antioxidant MB are by the mixture of any weight ratio.
Embodiment 6
Composite modified high-property natural rubber material of the present invention, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 82 parts, 15 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 6.8 parts, stearic acid 2.1 parts, 2.3 parts, zinc oxide, 2.2 parts, sulphur, benzoyl peroxide 1.8 parts, 6.3 parts, opal, nano titanium oxide 5.8 parts, nano-calcium carbonate 11 parts, zinc borate 6.2 parts, starch 25.3 parts, 11 parts, resol, vulkacit H 2 parts, cerium stearate 2.1 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.15 parts, vulkacit D 0.63 part, promotor TT0.75 part, glycidyl methacrylate 3.8 parts, Diethylene Glycol Dibenzoate 1.25 parts, 2.8 parts, anti-aging agent,
Wherein, the median size of described nano titanium oxide is 28nm; The median size of described nano-calcium carbonate is 15nm; Described anti-aging agent is that antioxidant 4010NA, antioxidant 4020, antioxidant MB are by the combination of any weight ratio.
Carry out Performance Detection to composite modified high-property natural rubber material of the present invention, its tensile strength is 12.8-15MPa, and elongation at break is 625-652%; Tensile set rate is 10-15%.
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 (8)
1. a composite modified high-property natural rubber material, it is characterized in that, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 70-85 part, styrene-butadiene rubber(SBR) 5-25 part, polyurethane elastomer 5-10 part, stearic acid 1.2-3 part, zinc oxide 1.5-3 part, sulphur 1-3 part, benzoyl peroxide 0.8-2.5 part, opal 2-10 part, nano titanium oxide 3-10 part, nano-calcium carbonate 3-15 part, zinc borate 2-8 part, starch 15-35 part, resol 6-15 part, vulkacit H 1-2.5 part, cerium stearate 1-2.5 part, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 0.8-1.5 part, vulkacit D 0.2-0.8 part, promotor TT0.3-1.5 part, glycidyl methacrylate 1-5 part, Diethylene Glycol Dibenzoate 0.5-2 part, anti-aging agent 1.5-4 part.
2. composite modified high-property natural rubber material according to claim 1, it is characterized in that, in its raw material, the weight ratio of methyl methacrylate-grafted natural rubber, styrene-butadiene rubber(SBR), polyurethane elastomer is 76-83:10-20:6-9.
3. composite modified high-property natural rubber material according to claim 1 or 2, is characterized in that, in its raw material, the weight ratio of starch, resol, vulkacit H is 20-30:8-13:1.5-2.2.
4. composite modified high-property natural rubber material according to any one of claim 1-3, it is characterized in that, in its raw material, four (N, N-diethyldithiocar bamic acids) close lanthanum diethylamine, vulkacit D, promotor TT weight ratio be 0.9-1.2:0.5-0.8:0.5-1.3.
5. composite modified high-property natural rubber material according to any one of claim 1-4, it is characterized in that, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 80-83 part, styrene-butadiene rubber(SBR) 12-16 part, polyurethane elastomer 6.5-7.2 part, stearic acid 1.8-2.3 part, zinc oxide 1.9-2.6 part, sulphur 1.9-2.5 part, benzoyl peroxide 1.5-2.0 part, opal 5-7 part, nano titanium oxide 5-8.5 part, nano-calcium carbonate 10-13 part, zinc borate 3.5-6.8 part, starch 22-26 part, resol 8.6-12 part, vulkacit H 1.9-2.1 part, cerium stearate 1.6-2.2 part, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1-1.2 part, vulkacit D 0.58-0.68 part, promotor TT0.63-0.9 part, glycidyl methacrylate 2.3-4.2 part, Diethylene Glycol Dibenzoate 0.9-1.4 part, anti-aging agent 2.6-3.3 part.
6. composite modified high-property natural rubber material according to any one of claim 1-5, it is characterized in that, its raw material comprises following component by weight: methyl methacrylate-grafted natural rubber 82 parts, 15 parts, styrene-butadiene rubber(SBR), polyurethane elastomer 6.8 parts, stearic acid 2.1 parts, 2.3 parts, zinc oxide, 2.2 parts, sulphur, benzoyl peroxide 1.8 parts, 6.3 parts, opal, nano titanium oxide 5.8 parts, nano-calcium carbonate 11 parts, zinc borate 6.2 parts, starch 25.3 parts, 11 parts, resol, vulkacit H 2 parts, cerium stearate 2.1 parts, four (N, N-diethyldithiocar bamic acid) close lanthanum diethylamine 1.15 parts, vulkacit D 0.63 part, promotor TT0.75 part, glycidyl methacrylate 3.8 parts, Diethylene Glycol Dibenzoate 1.25 parts, 2.8 parts, anti-aging agent.
7. composite modified high-property natural rubber material according to any one of claim 1-6, is characterized in that, the median size of described nano titanium oxide is 10-30nm; The median size of described nano-calcium carbonate is 10-35nm.
8. composite modified high-property natural rubber material according to any one of claim 1-7, is characterized in that, described anti-aging agent is one or more the combination in antioxidant 4010NA, antioxidant 4020, antioxidant MB.
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| CN106750694A (en) * | 2016-12-14 | 2017-05-31 | 天长市康宁甘油科技有限公司 | A kind of abrasion resistant fire blocking damping pad material |
| CN107641311A (en) * | 2016-07-20 | 2018-01-30 | 丹阳市飞利健身器材有限公司 | A kind of racket sweatband |
| CN118325203A (en) * | 2024-04-08 | 2024-07-12 | 南京奥瑞斯安全技术有限公司 | A wear-resistant sole material and preparation method thereof |
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Application publication date: 20151209 |