CN113930278A - 一种性能优异的汽机油复合剂及制备方法 - Google Patents
一种性能优异的汽机油复合剂及制备方法 Download PDFInfo
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- 239000010711 gasoline engine oil Substances 0.000 title claims abstract description 34
- 239000008139 complexing agent Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- KZNICNPSHKQLFF-UHFFFAOYSA-N dihydromaleimide Natural products O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 102
- 229960002317 succinimide Drugs 0.000 claims abstract description 60
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 58
- 239000011575 calcium Substances 0.000 claims abstract description 58
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 57
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 32
- 239000011777 magnesium Substances 0.000 claims abstract description 32
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 31
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011701 zinc Substances 0.000 claims abstract description 28
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 28
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 27
- -1 alkenyl succinimide Chemical compound 0.000 claims abstract description 25
- 239000002199 base oil Substances 0.000 claims abstract description 25
- 230000007935 neutral effect Effects 0.000 claims abstract description 25
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 25
- 229910052750 molybdenum Inorganic materials 0.000 claims description 25
- 239000011733 molybdenum Substances 0.000 claims description 25
- LVZUNTGFCXNQAF-UHFFFAOYSA-N n-nonyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCCC)C1=CC=CC=C1 LVZUNTGFCXNQAF-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 13
- RQVGZVZFVNMBGS-UHFFFAOYSA-N n-octyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCC)C1=CC=CC=C1 RQVGZVZFVNMBGS-UHFFFAOYSA-N 0.000 claims description 10
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- SHMVRUMGFMGYGG-UHFFFAOYSA-N [Mo].S=O Chemical class [Mo].S=O SHMVRUMGFMGYGG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002585 base Substances 0.000 claims 6
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- 239000002253 acid Substances 0.000 abstract description 2
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- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 19
- 239000012990 dithiocarbamate Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 4
- AIAMDEVDYXNNEU-UHFFFAOYSA-N 6-methylheptyl propanoate Chemical compound CCC(=O)OCCCCCC(C)C AIAMDEVDYXNNEU-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- HXRAIVCWVIJIKB-UHFFFAOYSA-N 2-butyl-n-octyl-n-phenylaniline Chemical compound C=1C=CC=C(CCCC)C=1N(CCCCCCCC)C1=CC=CC=C1 HXRAIVCWVIJIKB-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
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- 230000002265 prevention Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- SRENRFDRXNVMKN-UHFFFAOYSA-N n-butyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCC)C1=CC=CC=C1 SRENRFDRXNVMKN-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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Abstract
本发明涉及一种性能优异的汽机油复合剂及其制备方法，该性能优异的汽机油复合剂包括如下质量份数比的组分：二烷基二硫代磷酸锌8‑12份、抗氧剂12‑23份、超高碱值合成磺酸镁3‑10份、高碱值合成磺酸钙3‑10份、硫化烷基酚钙7‑16份、单烯基丁二酰亚胺5‑15份、高分子量聚异丁烯丁二酰亚胺25‑45份、摩擦改进剂0.5‑3份和中性基础油0‑6份。本发明的性能优异的汽机油复合剂可以对抗低速早燃、涡轮增压保护、正时链条保护、抗磨损、抗氧化和空气释放性等都具有优异性能，能够为汽车发动机提供更好的抗氧化性能，减少酸性产物的生成，延长换油周期；能为发动机提供更好的抗高温氧化性能，减少漆膜和和油泥的产生，保护发动机。
Description
技术领域
本发明涉及汽机油技术领域，更具体地说，涉及一种性能优异的汽机油复合剂及制备方法。
背景技术
汽油机油用于汽车发动机中，能对发动机起到润滑减摩、辅助冷却降温、密封防漏、防锈防蚀、减震缓冲等作用，被誉为汽车的“血液”。近年来，随着环保法规的完善及现代汽车工艺的发展，发动机技术也随之发展，对汽油机油的要求也越来越高，使汽油机油品种、质量更新的速度越来越快，因为发动机技术的发展会提高发动机工作温度，对发动机产生一定的负面影响。如今为满足国六排放要求而设计的最新1.6L及以下排量的TGDI(涡轮增压直喷)发动机对抗低速早燃、涡轮增压保护、正时链条保护、抗磨损、抗氧化和空气释放性等性能有特殊要求，这就要求现代汽油机油必须具有卓越的发动机清洁能力和抗氧化能力，可有效抑制机油氧化变质以及沉积物的生成，具备能为发动机提供突出的低速早燃保护、正时链条磨损保护和阀系磨损保护的性能。目前国内汽机油的质量水平参差不齐，大多数都是整体一般，或者某一性能突出，其它性能较差，尤其在低速早燃保护性能方面仍需提高。
发明内容
本发明的目的在于提供一种性能优异的汽机油复合剂及制备方法，解决了现有技术中低速早燃保护性能方面仍需提高的问题。
本发明解决技术问题所采用的技术方案是：一种性能优异的汽机油复合剂，包括如下质量份数比的组分：二烷基二硫代磷酸锌8-12份、抗氧剂12-23份、超高碱值合成磺酸镁3-10份、高碱值合成磺酸钙3-10份、硫化烷基酚钙7-16份、单烯基丁二酰亚胺5-15份、高分子量聚异丁烯丁二酰亚胺25-45份、摩擦改进剂0.5-3份和中性基础油0-6份。
在本发明的汽机油复合剂中，包括如下质量份数比的组分：二烷基二硫代磷酸锌8-12份，抗氧剂12-23份，超高碱值合成磺酸镁5-7份，高碱值合成磺酸钙5-7份，硫化烷基酚钙7-16份，单烯基丁二酰亚胺10-15份，高分子量聚异丁烯丁二酰亚胺32-45份，摩擦改进剂0.5-3份，中性基础油3-6份。
在本发明的汽机油复合剂中，所述抗氧剂选自丁,辛基二苯胺、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯中的至少一种。
在本发明的汽机油复合剂中，所述摩擦改进剂选自二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸钼、硫化二烷基二硫代氨基甲酸氧钼中的至少一种。
在本发明的汽机油复合剂中，所述超高碱值合成磺酸镁和所述高碱值合成磺酸钙的碱值分别≥300mgKOH/g。
在本发明的汽机油复合剂中，所述高分子量聚异丁烯丁二酰亚胺的分子量≥2300。
本发明还提供了一种性能优异的汽机油复合剂的制备方法，包括：向容器中按权利要求1-6任一所述的汽机油复合剂的组分的质量份数比投料，首先加入单烯基丁二酰亚胺和高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、抗氧剂、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、摩擦改进剂、中性基础油，并搅拌、过滤。
在本发明的制备方法中，搅拌时的温度保持在55-65℃，搅拌1-2小时。
其中二烷基二硫代磷酸锌主要提供汽机油的抗磨性能，同时具备抗氧、抗腐性能，可以抑制发动机油的漆膜、油泥、环槽黏附物的生成，并可以抑制油品因高温氧化而使粘度增长，防止汽缸、环槽、凸轮和挺杆的磨损，还能防止轴承腐蚀。
抗氧剂具有优异的高温抗氧化性及高温热稳定性，对抑制油品的后期氧化有显著效果，延长汽油机油的使用寿命，包括丁,辛基二苯胺、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯中的至少一种。
超高碱值合成磺酸镁主要是提供抗低速早燃保护，同时具备优良的高温清净净和热稳定性，能及时清净活塞表面的漆膜及沉积物。
高碱值合成磺酸钙和硫化烷基酚钙的主要作用为中和油中氧化和不完全燃烧所产生的酸性氧化产物和酸性胶质，同时具备优良的高温清净性和热稳定性，能及时清净活塞表面的漆膜及沉积物。
单烯基丁二酰亚胺和高分子量聚异丁烯丁二酰亚胺分别具有良好的低温分散性和高温稳定性，两者同时使用能满足油品在高低温条件下的清净分散性要求，这两者的主要作用是抑制发动机活塞上积碳和漆膜的生成，有效地控制汽油机油粘度的增长。
摩擦改进剂为二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸钼、硫化二烷基二硫代氨基甲酸氧钼中的一种，摩擦改进剂除了具有抗磨减摩作用，与其他抗氧剂复配使用还有一定的抗氧协同作用。
实施本发明的性能优异的汽机油复合剂及制备方法，具有以下有益效果：本发明的性能优异的汽机油复合剂可以对抗低速早燃、涡轮增压保护、正时链条保护、抗磨损、抗氧化和空气释放性等都具有优异性能，能够为汽车发动机提供更好的抗氧化性能，减少酸性产物的生成，延长换油周期；能为发动机提供更好的抗高温氧化性能，减少漆膜和和油泥的产生，保护发动机。
具体实施方式
下面结合实施例，对本发明的性能优异的汽机油复合剂及制备方法作进一步说明：
实施例1：二烷基二硫代磷酸锌8份，丁,辛基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计23份，超高碱值合成磺酸镁5份，高碱值合成磺酸钙10份，硫化烷基酚钙7份，单烯基丁二酰亚胺5份，高分子量聚异丁烯丁二酰亚胺39.5份，二烷基二硫代氨基甲酸钼0.5份，中性基础油2份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、丁,辛基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代氨基甲酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例2：二烷基二硫代磷酸锌12份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计12份，超高碱值合成磺酸镁10份，高碱值合成磺酸钙5份，硫化烷基酚钙16份，单烯基丁二酰亚胺12份，高分子量聚异丁烯丁二酰亚胺25份，二烷基二硫代氨基甲酸钼2份，中性基础油6份。。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代氨基甲酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例3：二烷基二硫代磷酸锌9份，丁,辛基二苯胺、壬基二苯胺总计13份，超高碱值合成磺酸镁3份，高碱值合成磺酸钙3份，硫化烷基酚钙9份，单烯基丁二酰亚胺15份，高分子量聚异丁烯丁二酰亚胺45份，二烷基二硫代氨基甲酸钼3份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、丁,辛基二苯胺、壬基二苯胺、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代氨基甲酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例4：二烷基二硫代磷酸锌11份，丁,辛基二苯胺、壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙5份，硫化烷基酚钙12份，单烯基丁二酰亚胺10份，高分子量聚异丁烯丁二酰亚胺32份，二烷基二硫代磷酸钼1.5份，中性基础油4.5份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、丁,辛基二苯胺、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代磷酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例5：二烷基二硫代磷酸锌9份，丁,辛基二苯胺、壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计16份，超高碱值合成磺酸镁7份，高碱值合成磺酸钙8份，硫化烷基酚钙14份，单烯基丁二酰亚胺7份，高分子量聚异丁烯丁二酰亚胺35份，硫化二烷基二硫代氨基甲酸氧钼1份，中性基础油3份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、丁,辛基二苯胺、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、硫化二烷基二硫代氨基甲酸氧钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例6：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙4份，硫化烷基酚钙10份，单烯基丁二酰亚胺9份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代氨基甲酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
实施例7：二烷基二硫代磷酸锌12份，丁,辛基二苯胺β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙4份，硫化烷基酚钙10份，单烯基丁二酰亚胺9份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份、中性基础油3份。
制备方法为向容器中加入单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、丁,辛基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、二烷基二硫代氨基甲酸钼、中性基础油；保持55-65℃，搅拌1-2小时，经过滤得到汽油机油复合剂产品。
对比例1：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，高碱值合成磺酸钙10份，硫化烷基酚钙10份，单烯基丁二酰亚胺9份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
其中，制备方法与实施例6相同，与实施例6不同之处是删掉了实施例6中的超高碱值合成磺酸镁的组分。
对比例2：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，硫化烷基酚钙10份，单烯基丁二酰亚胺9份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
其中，制备方法与实施例6相同，与实施例6不同之处是删掉了实施例6中的高碱值合成磺酸钙的组分。
对比例3：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙4份，单烯基丁二酰亚胺9份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
其中，制备方法与实施例6相同，与实施例6不同之处是删掉了实施例6中的硫化烷基酚钙的组分。
对比例4：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙4份，硫化烷基酚钙10份，高分子量聚异丁烯丁二酰亚胺38份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
其中，制备方法与实施例6相同，与实施例6不同之处是删掉了实施例6中的单烯基丁二酰亚胺的组分。
对比例5：二烷基二硫代磷酸锌10份，壬基二苯胺和β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯总计18份，超高碱值合成磺酸镁6份，高碱值合成磺酸钙4份，硫化烷基酚钙10份，单烯基丁二酰亚胺9份，二烷基二硫代氨基甲酸钼2份，中性基础油3份。
其中，制备方法与实施例6相同，与实施例6不同之处是删掉了实施例6中的高分子量聚异丁烯丁二酰亚胺的组分。
分别将以上实施例和对比例以同等加剂量加入5W-30稠化油中调配汽机油，进行性能评价。
对比试验1：根据SH/T 0189—润滑油抗磨损性能测定法(四球机法)对样品进行抗磨性评价(实验条件为：392N、75℃、1200r/min、60min)，实验结果为磨斑直径、平均摩擦系数，具体结果见下表：
表1不同样品抗磨性能试验结果
备注：磨斑直径和平均摩擦系数越小，油品的抗磨性越好。
由表1实验数据可以看出，在实施例1-7和对比例1-5中具有二烷基二硫代磷酸锌时，抗磨效果均优异。
对比试验2：按照SH/T 0719—润滑油氧化诱导期测定法(压力差示扫描量热法-PDSC)，试验温度为210℃，测试样品的氧化诱导期，实验结果见下表：
表2不同样品抗氧化性能试验结果
备注：氧化诱导期时间越长，油品的抗氧化性能越好。
由表2实验数据可以看出，在实施例1-7和对比例1-5中具有抗氧剂时，抗氧性能均优异。
对比试验3：按照NB/SH/T 0834—发动机油适度高温活塞沉积物的测定热氧化模拟试验法，试验温度为285℃，测试样品的高温氧化清净性，实验结果见下表：
表3不同样品抗氧化性能试验结果
备注：高温沉积物质量越小，油品抗氧化清净性越好。
由表3实验数据可以看出，在对比例1-5中分别对应去掉超高碱值合成磺酸镁、高碱值合成磺酸钙、硫化烷基酚钙、单烯基丁二酰亚胺、高分子量聚异丁烯丁二酰亚胺的组分时，抗氧化清净性能明显减弱，尤其是当去掉超高碱值合成磺酸镁时，高温沉积物质量更多，因此其在减少高温沉积物方面的性能表现优异。
对比试验4：抗低速早燃试验利用发动机进行抗低速早燃台架测试，试验方法：ASTM D8291，测试结果如下：
表4油品发动机试验结果
由表4实验数据可以看出，超高碱值合成磺酸镁在抗低速早燃方面的性能表现优异。
应当理解的是，对本领域技术人员来说，可以根据上述说明加以改进或变换，但这些改进或变换都应属于本发明所附权利要求的保护范围之内。
Claims (8)
1.一种性能优异的汽机油复合剂，其特征在于，包括如下质量份数比的组分：二烷基二硫代磷酸锌8-12份、抗氧剂12-23份、超高碱值合成磺酸镁3-10份、高碱值合成磺酸钙3-10份、硫化烷基酚钙7-16份、单烯基丁二酰亚胺5-15份、高分子量聚异丁烯丁二酰亚胺25-45份、摩擦改进剂0.5-3份和中性基础油0-6份。
2.根据权利要求1所述的汽机油复合剂，其特征在于，包括如下质量份数比的组分：二烷基二硫代磷酸锌8-12份，抗氧剂12-23份，超高碱值合成磺酸镁5-7份，高碱值合成磺酸钙5-7份，硫化烷基酚钙7-16份，单烯基丁二酰亚胺10-15份，高分子量聚异丁烯丁二酰亚胺32-45份，摩擦改进剂0.5-3份，中性基础油3-6份。
3.根据权利要求1或2所述的汽机油复合剂，其特征在于，所述抗氧剂选自丁,辛基二苯胺、壬基二苯胺、β-(3,5-二叔丁基-4-羟基苯基)丙酸异辛酯中的至少一种。
4.根据权利要求1或2所述的汽机油复合剂，其特征在于，所述摩擦改进剂选自二烷基二硫代氨基甲酸钼、二烷基二硫代磷酸钼、硫化二烷基二硫代氨基甲酸氧钼中的至少一种。
5.根据权利要求1所述的汽机油复合剂，其特征在于，所述超高碱值合成磺酸镁和所述高碱值合成磺酸钙的碱值分别≥300mgKOH/g。
6.根据权利要求1所述的汽机油复合剂，其特征在于，所述高分子量聚异丁烯丁二酰亚胺的分子量≥2300。
7.一种性能优异的汽机油复合剂的制备方法，其特征在于，包括：向容器中按权利要求1-6任一所述的汽机油复合剂的组分的质量份数比投料，首先加入单烯基丁二酰亚胺和高分子量聚异丁烯丁二酰亚胺，再依次加入硫化烷基酚钙、抗氧剂、高碱值合成磺酸钙、超高碱值合成磺酸镁、二烷基二硫代磷酸锌、摩擦改进剂、中性基础油，并搅拌、过滤。
8.根据权利要求7所述的制备方法，其特征在于，搅拌时的温度保持在55-65℃，搅拌1-2小时。
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| CN115678638A (zh) * | 2022-11-09 | 2023-02-03 | 新乡市瑞丰新材料股份有限公司 | 低硫船用燃料油的中速机油复合剂及其制备方法与应用 |
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| WO1996023856A1 (fr) * | 1995-02-02 | 1996-08-08 | Tonen Corporation | Composition d'huile lubrifiante |
| JP2003165991A (ja) * | 2001-11-30 | 2003-06-10 | Chevron Texaco Japan Ltd | 自動車エンジン用潤滑油組成物 |
| CN101880586A (zh) * | 2010-06-29 | 2010-11-10 | 江苏龙蟠石化有限公司 | 一种发动机润滑油的组合物及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115678638A (zh) * | 2022-11-09 | 2023-02-03 | 新乡市瑞丰新材料股份有限公司 | 低硫船用燃料油的中速机油复合剂及其制备方法与应用 |
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