JP5896087B2 - ジアルキルポリスルフィドの製造方法、ジアルキルポリスルフィド、極圧添加剤及び潤滑流体組成物 - Google Patents
ジアルキルポリスルフィドの製造方法、ジアルキルポリスルフィド、極圧添加剤及び潤滑流体組成物 Download PDFInfo
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- JP5896087B2 JP5896087B2 JP2015539148A JP2015539148A JP5896087B2 JP 5896087 B2 JP5896087 B2 JP 5896087B2 JP 2015539148 A JP2015539148 A JP 2015539148A JP 2015539148 A JP2015539148 A JP 2015539148A JP 5896087 B2 JP5896087 B2 JP 5896087B2
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- Prior art keywords
- dialkyl polysulfide
- dialkyl
- sulfur
- producing
- polysulfide
- Prior art date
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- 239000005077 polysulfide Substances 0.000 title claims description 180
- 229920001021 polysulfide Polymers 0.000 title claims description 180
- 150000008117 polysulfides Polymers 0.000 title claims description 180
- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000000203 mixture Substances 0.000 title description 32
- 239000005069 Extreme pressure additive Substances 0.000 title description 25
- 239000012530 fluid Substances 0.000 title description 24
- 230000001050 lubricating effect Effects 0.000 title description 22
- -1 olefin compound Chemical class 0.000 claims description 71
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 69
- 229910052717 sulfur Inorganic materials 0.000 claims description 62
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 61
- 239000011593 sulfur Substances 0.000 claims description 61
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 49
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 48
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 239000002904 solvent Substances 0.000 claims description 33
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- 125000000217 alkyl group Chemical group 0.000 claims description 27
- 125000004432 carbon atom Chemical group C* 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 23
- 229910052977 alkali metal sulfide Inorganic materials 0.000 claims description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 17
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 claims description 15
- 125000004434 sulfur atom Chemical group 0.000 claims description 15
- 150000007514 bases Chemical class 0.000 claims description 13
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 11
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 9
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical group [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 description 46
- 239000002184 metal Substances 0.000 description 46
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- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 4
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- 239000000344 soap Substances 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 3
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 3
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 description 3
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
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- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 3
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- VGGNVBNNVSIGKG-UHFFFAOYSA-N n,n,2-trimethylaziridine-1-carboxamide Chemical compound CC1CN1C(=O)N(C)C VGGNVBNNVSIGKG-UHFFFAOYSA-N 0.000 description 3
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- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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Description
R1R2C=CHR3・・・・(1)
(式中、R1、R2は、それぞれアルキル基で、R3は水素原子またはアルキル基で、R1、R2及びR3の炭素原子数の合計は2〜20である。)で表されるオレフィン化合物(a)と硫黄とを硫化水素の存在下で反応させて粗ジアルキルポリスルフィド(A)を得る第一工程と、前記粗ジアルキルポリスルフィド(A)とアルカリ金属の硫化物とをアルコールを含む溶媒中で反応させて、該粗ジアルキルポリスルフィド(A)中の硫黄原子数を減少させる第二工程とを含み、下記一般式(2)
第一工程:下記一般式(1)
R1R2C=CHR3・・・・(1)
(式中、R1、R2は、それぞれアルキル基で、R3は水素原子またはアルキル基で、R1、R2及びR3の炭素原子数の合計は2〜20である。)で表されるオレフィン化合物(a)と硫黄とを硫化水素の存在下で反応させて粗ジアルキルポリスルフィド(A)を得る工程。
第二工程:前記粗ジアルキルポリスルフィド(A)とアルカリ金属の硫化物とをアルコールを含む溶媒中で反応させて、該粗ジアルキルポリスルフィド(A)中の硫黄原子数を減少させる工程。
以下、各工程について、詳細に説明する。
測定装置:株式会社島津製作所製LC−10A
カラム:INTERSIL−C8 4.5μm 250mm×4.6mm
検出器:UV210nm
溶出液:アセトニトリル/水(体積比)=85/15、流量 1ml/min
R4HC=CHR5・・・・(4)
(式中R4、R5は、それぞれ水素原子またはアルキル基であり、R4及びR5の炭素原子数の合計は4〜20である。)で表されるオレフィン化合物(b)と硫黄とを硫化水素の存在下で反応させて粗ジアルキルポリスルフィド(B)を得る工程
工程2:前記粗ジアルキルポリスルフィド(B)と、アルカリ金属の硫化物とを反応させて、該粗ジアルキルポリスルフィド(B)中の硫黄原子数を減少させる工程
以下、各工程について、詳細に説明する。
加温装置、硫化水素吹き込み管および硫化水素吸収装置を搭載した1リットルのオートクレーブに、ジイソブチレン365g(3.26モル)と、粉末硫黄104g(3.26モル)と、水酸化カリウム0.1gと、ブチルカルビトール4gとを仕込んだ。オートクレーブを密閉した後、反応容器内を真空ポンプを用いて−0.1MPa以下まで減圧にし、真空脱気した。その後、オートクレーブを密閉した後、内部温度が120℃になるまで加温した。ここに硫化水素ガス(純度99.9モル%)65g(1.9モル)を圧力6kg/cm2で20時間を要して吹き込んだ。更に、同温度で10時間保持した。その後、40℃まで冷却してから、硫化水素吸収装置に接続した弁を開けて圧力を常圧に戻し、吹き込み管から空気を吹き込んで、残留する硫化水素および未反応のジイソブチレンを留去し、粗硫化オレフィン(A−1)469g(収率87%)を得た。
測定器:株式会社リガク製熱重量分析器
昇温速度:20℃/min
加温装置、硫化水素吹き込み管および硫化水素吸収装置を搭載した1リットルのオートクレーブに、ジイソブチレン365g(40.8モル)と、粉末硫黄130g(4.08モル)と、水酸化カリウム0.1gと、ブチルカルビトール4gとを仕込んだ。オートクレーブを密閉した後、反応容器内を真空ポンプを用いて−0.1MPa以下まで減圧にし、真空脱気した。その後、オートクレーブを密閉した後、内部温度が120℃になるまで加温した。ここに硫化水素ガス(純度99.9モル%)65g(1.9モル)を圧力6kg/cm2で20時間を要して吹き込んだ。更に、同温度で10時間保持した。その後、40℃まで冷却してから、硫化水素吸収装置に接続した弁を開けて圧力を常圧に戻し、吹き込み管から空気を吹き込んで、残留する硫化水素および未反応のジイソブチレンを留去し、粗硫化オレフィン(A−2)527g(収率93%)を得た。
加温装置、硫化水素吹き込み管および硫化水素吸収装置を搭載した1リットルのオートクレーブに、ジイソブチレン365g(3.26モル)と、粉末硫黄104g(3.26モル)と、水酸化カリウム0.1gと、ブチルカルビトール4gとを仕込んだ。オートクレーブを密閉した後、反応容器内を真空ポンプを用いて−0.1MPa以下まで減圧にし、真空脱気した。その後、オートクレーブを密閉した後、内部温度が120℃になるまで加温した。ここに硫化水素ガス(純度99.9モル%)65g(1.9モル)を圧力6kg/cm2で20時間を要して吹き込んだ。更に、同温度で10時間保持した。その後、40℃まで冷却してから、硫化水素吸収装置に接続した弁を開けて圧力を常圧に戻し、吹き込み管から空気を吹き込んで、残留する硫化水素および未反応のジイソブチレンを留去し、比較対照用ジアルキルポリスルフィド(1´)469gを得た(収率87%)。比較対照用ジアルキルポリスルフィド(1´)は、総硫黄含有率が35%で、処理温度を120℃とした以外はASTM−D1622に従って測定した活性硫黄の含有率は10%であった。比較対照用ジアルキルポリスルフィド(1´)中のトリスルフィド体の含有率は45%で、テトラスルフィド体の含有率は45%で、ペンタスルフィド体の含有率は10%で、モノスルフィド体の含有率は0%であった。比較対照用ジアルキルポリスルフィド(1´)の熱分解温度(50%)は、226℃であった。
加温装置、硫化水素吹き込み管および硫化水素吸収装置を搭載した1リットルのオートクレーブに、ジイソブチレン365g(3.26モル)と、粉末硫黄104g(3.26モル)と、水酸化カリウム0.1gと、ブチルカルビトール4gとを仕込んだ。オートクレーブを密閉した後、反応容器内を真空ポンプを用いて−0.1MPa以下まで減圧にし、真空脱気した。その後、オートクレーブを密閉した後、内部温度が120℃になるまで加温した。ここに硫化水素ガス(純度99.9モル%)65g(1.9モル)を圧力6kg/cm2で20時間を要して吹き込んだ。更に、同温度で10時間保持した。その後、40℃まで冷却してから、硫化水素吸収装置に接続した弁を開けて圧力を常圧に戻し、吹き込み管から空気を吹き込んで、残留する硫化水素および未反応のジイソブチレンを留去し、粗硫化オレフィン(A−3)469gを得た(収率87%)。
40℃における粘度が11mm2/sの鉱物油に、ジアルキルポリスルフィド(1)を、ジアルキルポリスルフィド(1)中の全てのジアルキルポリスルフィドの合計質量を基準として、含有率が5質量%となるように混合し、本発明の潤滑流体組成物(1)を得た。この潤滑流体(1)を用いて、金属表面の腐食性と、金属表面への金属硫化物の被膜の形成性を下記方法に従って評価した。評価結果を第2表に示す。
JIS K2513に定める方法で銅板腐食試験を行い、銅板表面の腐食状態を確認した。試験条件は100℃、3時間とした。
ASTM D−2783に定める方法に従い、シェル式四球試験機を用いて融着荷重を測定した。
ジアルキルポリスルフィド(1)のかわりにジアルキルポリスルフィド(2)を用いる以外は実施例3と同様にして、潤滑流体組成物(2)を得た。実施例3と同様の評価を行い、その結果を第2表に示す。
<ジアルキルポリスルフィド(II)の調製>
加温装置、硫化水素吹き込み管および硫化水素吸収装置を搭載した1リットルのオートクレーブに、1−デセン320gと、粉末硫黄73gと、水酸化カリウム0.1gとブチルカルビトール4gとを仕込んだ。オートクレーブを密閉した後、反応容器内を真空ポンプにて−0.1MPa以下まで減圧し真空脱気した。その後、内部温度が120℃になるまで加温した。ここに硫化水素ガス(純度99.9モル%)43gを圧力6kg/cm2で20時間を要して吹き込み、更に、180℃に昇温後24時間保持した。その後、40℃まで冷却してから、硫化水素吸収装置に接続した弁を開けて圧力を常圧に戻し、吹き込み管から空気を吹き込んで、残留する硫化水素を留去し、粗硫化オレフィンを得た。粗硫化オレフィン430gにエチレングリコール72g、硫化ナトリウム73g及び水酸化ナトリウム4gを加え、60℃で10時間反応させた。反応後、下層のエチレングリコール層を分液除去し上層部にある淡黄色のジアルキルポリスルフィド(II−1)を得た。ジアルキルポリスルフィド(II−1)中の総硫黄含有率は23%で、活性硫黄含有率は5%で、前記一般式(2)においてnが2であるジアルキルポリスルフィドとnが3であるジアルキルポリスルフィドの合計の含有率は87%で、ジアルキルポリスルフィド(II−1)の熱分解温度は272℃であった。
前記ジアルキルポリスルフィド(1)とジアルキルポリスルフィド(II−1)とを、質量比で3:1となる割合で併用した以外は実施例3と同様にして潤滑流体組成物(3)を得た。実施例3と同様の評価を行い、その結果を第2表に示す。
ジアルキルポリスルフィド(1)のかわりに比較対照用ジアルキルポリスルフィド(1´)を用いる以外は実施例3と同様にして、比較対照用潤滑流体組成物(1´)を得た。実施例3と同様の評価を行い、その結果を第2表に示す。
ジアルキルポリスルフィド(1)のかわりに比較対照用ジアルキルポリスルフィド(2´)を用いる以外は実施例3と同様にして、比較対照用潤滑流体組成物(2´)を得た。実施例3と同様の評価を行い、その結果を第2表に示す。
Claims (11)
- 下記一般式(1)
R1R2C=CHR3・・・・(1)
(式中、R1、R2は、それぞれアルキル基で、R3は水素原子またはアルキル基で、R1、R2及びR3の炭素原子数の合計は2〜20である。)で表されるオレフィン化合物(a)と硫黄とを硫化水素の存在下で反応させて粗ジアルキルポリスルフィド(A)を得る第一工程と、前記粗ジアルキルポリスルフィド(A)とアルカリ金属の硫化物とをアルコールを含む溶媒中で反応させて、該粗ジアルキルポリスルフィド(A)中の硫黄原子数を減少させる第二工程とを含み、下記一般式(2)
- 前記一般式(1)中のR1とR2の炭素原子数の合計が2〜14で、R3が水素原子である請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記オレフィン化合物(a)が、ジイソブチレンである請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記アルコールがエチレングリコールである請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記アルコールの含有量が、溶媒100質量部中45〜75質量部である請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記第一工程を塩基性化合物の存在下で行う請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記塩基性化合物が水酸化ナトリウムまたは水酸化カリウムである請求項6記載のジアルキルポリスルフィドの製造方法。
- 前記第一工程において、前記一般式(1)で表されるオレフィン化合物(a)と硫黄との反応を60〜130℃で5〜48時間行う請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記アルカリ金属の硫化物が硫化ナトリウムである請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記第二工程をアルカリ金属の水酸化物の存在下で行う請求項1記載のジアルキルポリスルフィドの製造方法。
- 前記アルカリ金属の水酸化物が水酸化ナトリウムまたは水酸化カリウムである請求項10記載のジアルキルポリスルフィドの製造方法。
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JP6678647B2 (ja) * | 2014-08-06 | 2020-04-08 | ザ ルブリゾル コーポレイションThe Lubrizol Corporation | 生分解性硫黄成分を有する工業用ギア潤滑剤の添加剤パッケージ |
JP6624486B2 (ja) * | 2015-03-30 | 2019-12-25 | 出光興産株式会社 | 冷凍機潤滑油及び冷凍機用混合組成物 |
US10894767B2 (en) * | 2015-12-18 | 2021-01-19 | Dic Corporation | Dialkyl sulfide, method for producing dialkyl sulfide, extreme-pressure additive, and lubricating fluid composition |
JP2017132875A (ja) * | 2016-01-27 | 2017-08-03 | 東燃ゼネラル石油株式会社 | 潤滑油組成物 |
DE112019005587T5 (de) * | 2018-11-09 | 2021-09-30 | Dic Corporation | Schmierölzusammensetzung |
CN113302267B (zh) * | 2019-01-29 | 2022-09-06 | Dic株式会社 | 硫系极压剂和金属加工油 |
JP2022525421A (ja) * | 2019-03-20 | 2022-05-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 潤滑剤組成物 |
CN112877125B (zh) * | 2020-09-16 | 2022-05-31 | 武汉宜田科技发展有限公司 | 一种金刚石线切割循环系统用冷却液及其制备和使用方法 |
CN114574273B (zh) * | 2022-03-18 | 2022-08-12 | 中国科学院兰州化学物理研究所 | 一种托轮轴瓦润滑油及其制备方法和应用 |
CN114835676B (zh) * | 2022-06-17 | 2024-03-19 | 黄河三角洲京博化工研究院有限公司 | 一种高硫含量硫化异丁烯的合成方法 |
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US20160215231A1 (en) | 2016-07-28 |
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US10487285B2 (en) | 2019-11-26 |
EP3034492A4 (en) | 2017-03-29 |
JPWO2015046008A1 (ja) | 2017-03-09 |
EP3034492B1 (en) | 2020-11-25 |
CN105579435A (zh) | 2016-05-11 |
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