CN103627050B - A kind of nitrile rubber - Google Patents
A kind of nitrile rubber Download PDFInfo
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- CN103627050B CN103627050B CN201310585723.8A CN201310585723A CN103627050B CN 103627050 B CN103627050 B CN 103627050B CN 201310585723 A CN201310585723 A CN 201310585723A CN 103627050 B CN103627050 B CN 103627050B
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- nitrile rubber
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- diethyl phthalate
- polyethylene wax
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- 229920000459 Nitrile rubber Polymers 0.000 title claims abstract description 56
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims abstract description 32
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 18
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 15
- 239000006229 carbon black Substances 0.000 claims abstract description 15
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 15
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000008117 stearic acid Substances 0.000 claims abstract description 15
- 239000011787 zinc oxide Substances 0.000 claims abstract description 14
- PPPNUSFRWJVHQB-UHFFFAOYSA-N 4-n-butylbenzene-1,4-diamine Chemical compound CCCCNC1=CC=C(N)C=C1 PPPNUSFRWJVHQB-UHFFFAOYSA-N 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 235000011037 adipic acid Nutrition 0.000 claims 1
- 239000001361 adipic acid Substances 0.000 claims 1
- 235000012241 calcium silicate Nutrition 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims 1
- -1 polyethylene Polymers 0.000 abstract description 30
- 239000004698 Polyethylene Substances 0.000 abstract description 17
- 229920000573 polyethylene Polymers 0.000 abstract description 17
- 229910052918 calcium silicate Inorganic materials 0.000 abstract description 16
- 239000000378 calcium silicate Substances 0.000 abstract description 16
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract description 16
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 7
- 229920001971 elastomer Polymers 0.000 abstract description 7
- 239000005060 rubber Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 1
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000004989 p-phenylenediamines Chemical class 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000004986 phenylenediamines Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明涉及橡胶领域，更具体的讲是一种丁腈橡胶，由以下按重量份数计的组分组成：丁腈橡胶50-80份、硬脂酸0.5-1.0份、氧化锌2-3份、邻苯二甲酸二乙酯3-8份、聚乙烯蜡1-3份、促进剂0.5-1.5份、己二酸烷基醚酯3-5份、硅酸钙2-5份、抗臭氧剂1-3份、防老剂0-3份、炭黑20-30份。本发明的有益效果是：本发明通过添加聚乙烯蜡和抗臭氧剂，有效提高了丁腈橡胶的抗臭氧性能，同时添加填料剂：邻苯二甲酸二乙酯、硅酸钙，有效提高了丁腈橡胶的耐热性和硬度。The invention relates to the field of rubber, more specifically a nitrile rubber, which consists of the following components in parts by weight: 50-80 parts of nitrile rubber, 0.5-1.0 parts of stearic acid, 2-3 parts of zinc oxide 3-8 parts of diethyl phthalate, 1-3 parts of polyethylene wax, 0.5-1.5 parts of accelerator, 3-5 parts of alkyl ether adipate, 2-5 parts of calcium silicate, anti 1-3 parts of ozone agent, 0-3 parts of anti-aging agent, 20-30 parts of carbon black. The beneficial effects of the present invention are: the present invention effectively improves the anti-ozone performance of nitrile rubber by adding polyethylene wax and antiozonant, and simultaneously adds fillers: diethyl phthalate, calcium silicate, effectively improves the The heat resistance and hardness of nitrile rubber.
Description
本发明涉及橡胶领域，更具体的讲是一种丁腈橡胶。The invention relates to the field of rubber, in particular to a nitrile rubber.
背景技术Background technique
丁腈橡胶又称丁二烯一丙烯腈橡胶，简称NBR，平均分子量70万左右。灰白色至浅黄色块状或粉状固体，相对密度0.95～1.0，溶于醋酸乙酯、醋酸丁酯、氯苯、甲乙酮等。丁腈橡胶具有优良的耐油性，其耐油性仅次于聚硫橡胶和氟橡胶，并且具有的耐磨性和气密性。丁腈橡胶的缺点是不耐臭氧及芳香族、卤代烃、酮及酯类溶剂，不宜做绝缘材料。耐热性优于丁苯橡胶、氯丁橡胶，可在120℃长期工作。气密性仅次于丁基橡胶。丁腈橡胶的性能受丙烯腈含量影响，随着丙烯腈含量增加，拉伸强度、耐热性、耐油性、气密性、硬度提高，但弹性、耐寒性降低。丁腈橡胶耐臭氧性能性能不佳，耐水性较好。Nitrile rubber is also called butadiene-acrylonitrile rubber, referred to as NBR, with an average molecular weight of about 700,000. Off-white to light yellow massive or powdery solid, relative density 0.95-1.0, soluble in ethyl acetate, butyl acetate, chlorobenzene, methyl ethyl ketone, etc. Nitrile rubber has excellent oil resistance, second only to polysulfide rubber and fluorine rubber, and has excellent wear resistance and air tightness. The disadvantage of nitrile rubber is that it is not resistant to ozone and aromatic, halogenated hydrocarbons, ketones and ester solvents, so it is not suitable for insulating materials. The heat resistance is better than that of styrene-butadiene rubber and neoprene, and it can work at 120°C for a long time. Air tightness is second only to butyl rubber. The performance of nitrile rubber is affected by the content of acrylonitrile. As the content of acrylonitrile increases, the tensile strength, heat resistance, oil resistance, air tightness and hardness increase, but the elasticity and cold resistance decrease. Nitrile rubber has poor ozone resistance and good water resistance.
正因为丁腈橡胶有如此优异的性能，所以目前国内很多进行丁腈橡胶的研发，如申请号为200810229506.4的专利申请公开了一种丁腈橡胶，其由生胶、硫化剂、填充补强剂、增塑剂、防老剂和助剂组成，相对质量分数为，丁腈生胶NBR100份；硬脂酸用量1-20份，过氧化物用量5-20份，炭黑用量0.1-100份，防老剂TMDQ2.0份，余量为助剂。其目的在于提供一种高硬度、低压缩变形，耐热性和耐寒性较好的丁腈橡胶。Just because nitrile rubber has such excellent properties, so many researches and developments of nitrile rubber are carried out in China at present, as the patent application that application number is 200810229506.4 discloses a kind of nitrile rubber, and it is made of raw rubber, vulcanizing agent, filling reinforcing agent , plasticizer, anti-aging agent and additives, the relative mass fraction is 100 parts of nitrile raw rubber NBR; 1-20 parts of stearic acid, 5-20 parts of peroxide, 0.1-100 parts of carbon black, anti-aging agent TMDQ 2.0 parts, the balance is additives. The purpose is to provide a nitrile rubber with high hardness, low compression deformation, good heat resistance and cold resistance.
又如申请号为201210515994.1的专利申请公开了一种丁腈橡胶粘合剂，其由下列组分按照重量份数组成，皮脂酸二甲酯7-12份，丁腈橡胶5-9份，松香8-11份，苯并噻唑硫醇6-14份，尿素6-13份，乌洛托品5-7份，乙二酸二乙酯3-9份，酚醛树脂4-8份，余量为水。其发明目的是提供一种粘结强度高，耐热性，耐油性和耐候性好的丁腈橡胶。Another example is that the patent application No. 201210515994.1 discloses a nitrile rubber adhesive, which consists of the following components in parts by weight, 7-12 parts of dimethyl sebaceate, 5-9 parts of nitrile rubber, rosin 8-11 parts, 6-14 parts of benzothiazole thiol, 6-13 parts of urea, 5-7 parts of urotropine, 3-9 parts of diethyl oxalate, 4-8 parts of phenolic resin, the balance for water. The purpose of the invention is to provide a nitrile rubber with high bonding strength, good heat resistance, oil resistance and weather resistance.
但是上述改进后的丁腈橡胶其耐臭氧性能不佳，需要提供一种更加抗臭氧的丁腈橡胶。However, the above-mentioned improved nitrile rubber has poor ozone resistance, and it is necessary to provide a more ozone-resistant nitrile rubber.
发明内容Contents of the invention
本发明的发明目的在于提供一种抗臭氧性能优越，硬度、压缩变形和耐热性均较好的丁腈橡胶。The object of the present invention is to provide a kind of nitrile rubber with excellent ozone resistance, good hardness, compression deformation and heat resistance.
本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:
一种丁腈橡胶，由以下按重量份数计的组分组成：A kind of nitrile rubber, is made up of following components by weight parts:
丁腈橡胶50-80份50-80 parts of nitrile rubber
硬脂酸0.5-1.0份Stearic acid 0.5-1.0 part
氧化锌2-3份Zinc oxide 2-3 parts
邻苯二甲酸二乙酯3-8份3-8 parts of diethyl phthalate
聚乙烯蜡1-3份Polyethylene wax 1-3 parts
促进剂0.5-1.5份Accelerator 0.5-1.5 parts
己二酸烷基醚酯3-5份3-5 parts of alkyl ether adipate
硅酸钙2-5份Calcium silicate 2-5 parts
抗臭氧剂1-3份1-3 parts of antiozonant
防老剂0-3份Antiaging agent 0-3 parts
炭黑20-30份。20-30 parts of carbon black.
聚乙烯蜡又称高分子蜡简称聚乙烯蜡，其具有优良的耐寒性、耐热性、耐化学性和耐磨性，其作为作为橡胶加工助剂，可增强硅酸钙等的扩散，提高挤压成型速率，增大模具流量，脱模便利，而且在表面形成一层膜，有效隔离空气等，提高丁腈橡胶的抗臭氧性能。Polyethylene wax, also known as polymer wax or polyethylene wax for short, has excellent cold resistance, heat resistance, chemical resistance and abrasion resistance. As a rubber processing aid, it can enhance the diffusion of calcium silicate, etc., and improve Extrusion speed, increase mold flow, easy demoulding, and form a layer of film on the surface, effectively isolate air, etc., improve the ozone resistance of nitrile rubber.
上述促进剂为促进剂TMTD。The accelerator mentioned above is the accelerator TMTD.
上述抗臭氧剂为对苯二胺衍生物。The aforementioned antiozonants are p-phenylenediamine derivatives.
更优的，上述抗臭氧剂为N,N’-二芳丁基对苯二胺。More preferably, the above-mentioned antiozonant is N,N'-diarylbutyl-p-phenylenediamine.
上述防老剂为防老剂RD，本发明由于采用了苯二胺衍生物类抗臭氧剂，其本身具有优秀的防老剂效果，因此本发明中防老剂可以控制范围为0-3份。The above-mentioned anti-aging agent is anti-aging agent RD. Since the present invention adopts phenylenediamine derivative antiozonant, it has excellent anti-aging agent effect, so the control range of anti-aging agent in the present invention is 0-3 parts.
上述丁腈橡胶，由以下按重量份数计的组分组成：Above-mentioned acrylonitrile-butadiene rubber consists of the following components in parts by weight:
丁腈橡胶50-80份50-80 parts of nitrile rubber
硬脂酸0.5-1.0份Stearic acid 0.5-1.0 part
氧化锌2-3份Zinc oxide 2-3 parts
邻苯二甲酸二乙酯3-8份3-8 parts of diethyl phthalate
聚乙烯蜡1-3份Polyethylene wax 1-3 parts
促进剂TMTD0.5-1.5份Accelerator TMTD0.5-1.5 parts
己二酸烷基醚酯3-5份3-5 parts of alkyl ether adipate
硅酸钙2-5份Calcium silicate 2-5 parts
N,N’-二芳丁基对苯二胺1-3份1-3 parts of N,N'-diarylbutyl p-phenylenediamine
防老剂RD0-3份Antiaging agent RD0-3 parts
炭黑20-30份。20-30 parts of carbon black.
作为上述丁腈橡胶的一种优化，由以下按重量份数计的组分组成：As a kind of optimization of above-mentioned acrylonitrile-butadiene rubber, it is made up of the following components by weight:
丁腈橡胶50份50 parts of nitrile rubber
硬脂酸0.5份0.5 parts of stearic acid
氧化锌2份Zinc oxide 2 parts
邻苯二甲酸二乙酯3份3 parts diethyl phthalate
聚乙烯蜡1份Polyethylene wax 1 part
促进剂0.5份Accelerator 0.5 parts
己二酸烷基醚酯3份Alkyl ether adipate 3 parts
硅酸钙2份Calcium silicate 2 parts
抗臭氧剂1份1 part antiozonant
炭黑20份。20 parts of carbon black.
作为上述丁腈橡胶的一种优化，由以下按重量份数计的组分组成：As a kind of optimization of above-mentioned acrylonitrile-butadiene rubber, it is made up of the following components by weight:
丁腈橡胶80份80 parts of nitrile rubber
硬脂酸1.0份Stearic acid 1.0 parts
氧化锌3份3 parts zinc oxide
邻苯二甲酸二乙酯8份8 parts of diethyl phthalate
聚乙烯蜡3份3 parts polyethylene wax
促进剂1.5份Accelerator 1.5 parts
己二酸烷基醚酯5份5 parts of alkyl ether adipate
硅酸钙5份Calcium silicate 5 parts
抗臭氧剂3份3 parts antiozonant
炭黑30份。30 parts of carbon black.
作为上述丁腈橡胶的一种优化，由以下按重量份数计的组分组成：As a kind of optimization of above-mentioned acrylonitrile-butadiene rubber, it is made up of the following components by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
聚乙烯蜡2份Polyethylene wax 2 parts
促进剂0.8份Accelerator 0.8 parts
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
抗臭氧剂2份2 parts antiozonant
炭黑25份。25 parts of carbon black.
作为上述丁腈橡胶的一种优化，由以下按重量份数计的组分组成：As a kind of optimization of above-mentioned acrylonitrile-butadiene rubber, it is made up of the following components by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
聚乙烯蜡2份Polyethylene wax 2 parts
促进剂0.8份Accelerator 0.8 parts
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
抗臭氧剂2份2 parts antiozonant
炭黑25份Carbon black 25 parts
防老剂1份。Anti-aging agent 1 part.
本发明的有益效果是：本发明通过添加聚乙烯蜡和抗臭氧剂，有效提高了丁腈橡胶的抗臭氧性能，同时添加填料剂：邻苯二甲酸二乙酯、硅酸钙，有效提高了丁腈橡胶的耐热性和硬度。The beneficial effects of the present invention are: the present invention effectively improves the anti-ozone performance of nitrile rubber by adding polyethylene wax and antiozonant, and simultaneously adds fillers: diethyl phthalate, calcium silicate, effectively improves the The heat resistance and hardness of nitrile rubber.
具体实施方式detailed description
下面结合具体实施例对本发明做进一步说明，以便本领域技术人员可以更好的了解本发明，但并不因此限制本发明。The present invention will be further described below in conjunction with specific embodiments, so that those skilled in the art can better understand the present invention, but the present invention is not limited thereby.
实施例1Example 1
丁腈橡胶，由以下按重量份数计的组分组成：Nitrile rubber consisting of the following components in parts by weight:
丁腈橡胶50份50 parts of nitrile rubber
硬脂酸0.5份0.5 parts of stearic acid
氧化锌2份Zinc oxide 2 parts
邻苯二甲酸二乙酯3份3 parts diethyl phthalate
聚乙烯蜡1份Polyethylene wax 1 part
促进剂TMTD0.5份Accelerator TMTD0.5 part
己二酸烷基醚酯3份Alkyl ether adipate 3 parts
硅酸钙2份Calcium silicate 2 parts
N,N’-二芳丁基对苯二胺1份1 part of N,N'-diarylbutyl p-phenylenediamine
炭黑20份。20 parts of carbon black.
实施例2Example 2
一种丁腈橡胶，由以下按重量份数计的组分组成：A kind of nitrile rubber, is made up of following components by weight parts:
丁腈橡胶80份80 parts of nitrile rubber
硬脂酸1.0份Stearic acid 1.0 parts
氧化锌3份3 parts zinc oxide
邻苯二甲酸二乙酯8份8 parts of diethyl phthalate
聚乙烯蜡3份3 parts polyethylene wax
促进剂TMTD1.5份Accelerator TMTD1.5 parts
己二酸烷基醚酯5份5 parts of alkyl ether adipate
硅酸钙5份Calcium silicate 5 parts
N,N’-二芳丁基对苯二胺3份3 parts of N,N'-diarylbutyl p-phenylenediamine
炭黑30份。30 parts of carbon black.
实施例3Example 3
丁腈橡胶，由以下按重量份数计的组分组成：Nitrile rubber consisting of the following components in parts by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
聚乙烯蜡2份Polyethylene wax 2 parts
促进剂TMTD0.8份Accelerator TMTD0.8 parts
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
N,N’-二芳丁基对苯二胺2份2 parts of N,N'-diarylbutyl-p-phenylenediamine
炭黑25份。25 parts of carbon black.
实施例4Example 4
丁腈橡胶，由以下按重量份数计的组分组成：Nitrile rubber consisting of the following components in parts by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
聚乙烯蜡2份Polyethylene wax 2 parts
促进剂TMTD0.8份Accelerator TMTD0.8 parts
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
N,N’-二芳丁基对苯二胺2份2 parts of N,N'-diarylbutyl-p-phenylenediamine
炭黑25份Carbon black 25 parts
防老剂RD1份。1 part of anti-aging agent RD.
实施例5Example 5
丁腈橡胶，由以下按重量份数计的组分组成：Nitrile rubber consisting of the following components in parts by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
聚乙烯蜡2份Polyethylene wax 2 parts
促进剂TMTD0.8份Accelerator TMTD0.8 part
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
N,N’-二芳丁基对苯二胺2份2 parts of N,N'-diarylbutyl p-phenylenediamine
炭黑25份Carbon black 25 parts
防老剂RD3份。Anti-aging agent RD3 parts.
实施例6Example 6
丁腈橡胶，由以下按重量份数计的组分组成：Nitrile rubber consisting of the following components in parts by weight:
丁腈橡胶70份70 parts of nitrile rubber
硬脂酸0.8份0.8 parts of stearic acid
氧化锌2.5份Zinc oxide 2.5 parts
邻苯二甲酸二乙酯5份5 parts diethyl phthalate
促进剂TMTD0.8份Accelerator TMTD0.8 part
己二酸烷基醚酯4份Alkyl ether adipate 4 parts
硅酸钙3份3 parts calcium silicate
N,N’-二芳丁基对苯二胺2份2 parts of N,N'-diarylbutyl p-phenylenediamine
炭黑25份Carbon black 25 parts
防老剂RD1份。1 part of anti-aging agent RD.
测试例1test case 1
对上述实施例1-实施例6中所得丁腈橡胶进行性能测定，所得结果见表1。The obtained nitrile rubber in above-mentioned embodiment 1-embodiment 6 is carried out performance measurement, and the obtained result is shown in Table 1.
由表1可知，本发明通过添加抗臭氧剂可以有效提高丁腈橡胶的抗臭氧能力，而再次聚乙烯蜡后，抗臭氧能力得到更好的提升，对于防老剂RD，在有抗臭氧剂的存在下，防老剂RD的效果并不明显，需要与抗臭氧剂的量进行配合，如实施例4和实施例5中，当抗臭氧剂一定（均为2份）时，防老剂RD1份比防老剂RD3份效果更佳，并不是防老剂越多越好。As can be seen from Table 1, the present invention can effectively improve the anti-ozone ability of acrylonitrile-butadiene rubber by adding antiozonant, and after polyethylene wax again, antiozone ability obtains better promotion, for antioxidant RD, in the presence of antiozone agent In the presence of anti-aging agent RD, the effect is not obvious, and it needs to be coordinated with the amount of anti-ozonant. As in Example 4 and Example 5, when the anti-ozonant is constant (both are 2 parts), the ratio of 1 part of anti-aging agent RD to 3 parts of anti-aging agent RD is more effective, not that the more anti-aging agent the better.
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| CN114196083B (en) * | 2021-12-28 | 2023-11-24 | 中国化工集团曙光橡胶工业研究设计院有限公司 | High-performance sealing rubber material based on nitrile rubber, and preparation method and application thereof |
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| CN102658607A (en) * | 2012-05-14 | 2012-09-12 | 上海天普汽车零部件有限公司 | Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket |
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| CN101402750A (en) * | 2008-11-07 | 2009-04-08 | 安徽中鼎密封件股份有限公司 | Air feeder rubber member between engine oil cleaner and intake manifold of automobile, and manufacturing process thereof |
| CN102658607A (en) * | 2012-05-14 | 2012-09-12 | 上海天普汽车零部件有限公司 | Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket |
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