CN102094205B - Phosphorus-free oil removing powder and phosphorus-free oil removing process - Google Patents
Phosphorus-free oil removing powder and phosphorus-free oil removing process Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005238 degreasing Methods 0.000 claims abstract description 63
- 238000004140 cleaning Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 239000011574 phosphorus Substances 0.000 claims abstract description 9
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000001509 sodium citrate Substances 0.000 claims abstract description 8
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 8
- 239000000176 sodium gluconate Substances 0.000 claims abstract description 8
- 229940005574 sodium gluconate Drugs 0.000 claims abstract description 8
- 235000012207 sodium gluconate Nutrition 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 6
- -1 alkyl diphenyl oxide Chemical compound 0.000 claims description 7
- 150000002191 fatty alcohols Chemical class 0.000 claims description 7
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 4
- 239000011976 maleic acid Substances 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 2
- 150000003333 secondary alcohols Chemical class 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract description 7
- 235000011152 sodium sulphate Nutrition 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000010998 test method Methods 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 2
- KEZYHIPQRGTUDU-UHFFFAOYSA-N 2-[dithiocarboxy(methyl)amino]acetic acid Chemical compound SC(=S)N(C)CC(O)=O KEZYHIPQRGTUDU-UHFFFAOYSA-N 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MBHJFHKNCUQKCQ-UHFFFAOYSA-N trimethylsilylformic acid Chemical compound C[Si](C)(C)C(O)=O MBHJFHKNCUQKCQ-UHFFFAOYSA-N 0.000 description 1
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- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
本发明公开了一种无磷除油粉，包括以下质量份的原料：10～25份的氢氧化钠、20～32份的碳酸钠、20～35份的无磷助洗剂、5～10份硫酸钠、1～5份柠檬酸钠、1～5份葡萄糖酸钠、6～12份表面活性剂，使用无磷除油粉的无磷除油工艺，包括以下步骤：将无磷除油粉与水配制成清洗液，加入到清洗槽中，清洗液的pH为12.5～13.5；将工件置于清洗液中浸泡清洗。本发明的无磷除油粉配制的无磷除油液不含磷，对环境友好，清洗效果优于常规的前处理除油工艺，除油液的使用寿命更为持久，且产生的废水更易处理。The invention discloses a phosphorus-free degreasing powder, which comprises the following raw materials in parts by mass: 10-25 parts of sodium hydroxide, 20-32 parts of sodium carbonate, 20-35 parts of phosphorus-free builder, 5-10 parts 1 part of sodium sulfate, 1 to 5 parts of sodium citrate, 1 to 5 parts of sodium gluconate, 6 to 12 parts of surfactant, and a phosphorus-free degreasing process using a phosphorus-free degreasing powder, comprising the following steps: Mix the powder and water to make a cleaning solution, add it to the cleaning tank, the pH of the cleaning solution is 12.5-13.5; put the workpiece in the cleaning solution to soak and clean. The phosphorus-free degreasing liquid prepared by the non-phosphorus degreasing powder of the present invention does not contain phosphorus, is environmentally friendly, and has a better cleaning effect than the conventional pretreatment degreasing process, and the service life of the degreasing liquid is longer, and the waste water generated is easier deal with.
Description
技术领域 technical field
本发明涉及无磷除油粉及无磷除油工艺。 The invention relates to a phosphorus-free oil removal powder and a phosphorus-free oil removal process.
背景技术 Background technique
由于磷酸盐具有较好的螯合能力、助洗效果，其作为一种助洗剂与表面活性剂等复配成清洗剂后，被广泛地应用于传统工业等领域。然而，由于此种清洗剂中含磷，当其作为废水被排放出去后，会使得水体富营养化，造成藻类等水生植物大量繁殖，而植物体的有氧呼吸将消耗掉水中大量的氧，使水生动物缺氧致死并产生一系列的自然灾害（如江苏太湖、安徽巢湖、云南滇池等多次爆发的蓝藻事件，以及全球性的海洋赤潮现象等），已严重影响到人类的饮水安全。 Because phosphate has good chelating ability and builder effect, it is widely used in traditional industries and other fields after it is compounded as a builder and surfactant to form a cleaning agent. However, since this cleaning agent contains phosphorus, when it is discharged as waste water, it will cause eutrophication of the water body, causing a large number of algae and other aquatic plants to multiply, and the aerobic respiration of the plants will consume a large amount of oxygen in the water. Aquatic animals are hypoxic to death and a series of natural disasters (such as cyanobacteria events that have erupted in Taihu Lake, Anhui Chaohu Lake, Yunnan Dianchi Lake, etc., as well as global marine red tides, etc.), have seriously affected human drinking water safety.
从上世纪九十年代开始，越来越多的企业开始研发无磷清洗剂，电镀行业前处理无磷清洗剂的开发则始于九十年代末，然而，由于所采用的代磷助剂在助洗效果、螯合能力、洗去性等综合性能上无法媲美磷酸盐助洗剂，所以至今仍没有可完全取代含磷酸盐除油粉的电镀前处理产品。 Since the 1990s, more and more companies have begun to develop phosphorus-free cleaning agents, and the development of phosphorus-free cleaning agents for pre-treatment in the electroplating industry began in the late 1990s. However, due to the use of phosphorus substitute additives in The comprehensive performance such as builder effect, chelating ability, and wash-off performance is not comparable to that of phosphate builders, so there is still no electroplating pretreatment product that can completely replace phosphate-containing degreasing powder.
发明内容 Contents of the invention
本发明的目的是提供一种无磷除油粉及无磷除油工艺。 The purpose of the present invention is to provide a phosphorus-free degreasing powder and a non-phosphorus degreasing process.
本发明所采取的技术方案是： The technical scheme that the present invention takes is:
一种无磷除油粉，包括以下质量份的原料：10～25份的氢氧化钠、20～30份的碳酸钠、20～35份的无磷助洗剂、5～10份硫酸钠、1～5份柠檬酸钠、1～5份葡萄糖酸钠、6～12份表面活性剂。 A phosphorus-free degreasing powder, comprising the following raw materials in parts by mass: 10-25 parts of sodium hydroxide, 20-30 parts of sodium carbonate, 20-35 parts of phosphorus-free builder, 5-10 parts of sodium sulfate, 1-5 parts of sodium citrate, 1-5 parts of sodium gluconate, 6-12 parts of surfactant.
无磷助洗剂为C2～8羧酸、含硅的C2～8羧酸改性物、马来酸/丙烯酸共聚物、分子筛中的至少一种。 The phosphorus-free builder is at least one of C2-8 carboxylic acids, silicon-containing C2-8 carboxylic acid modified products, maleic acid/acrylic acid copolymers, and molecular sieves.
表面活性剂为十二烷基硫酸钠、十二烷基苯磺酸钠、烷基二苯基氧化物二磺酸盐、C10～16脂肪醇乙氧基化合物、C12～15仲醇乙氧基化合物、脂肪醇聚氧乙烯醚中的至少一种。 The surfactant is sodium dodecyl sulfate, sodium dodecylbenzenesulfonate, alkyl diphenyl oxide disulfonate, C10-16 fatty alcohol ethoxylate, C12-15 secondary alcohol ethoxylate At least one of compound, fatty alcohol polyoxyethylene ether.
所述的无磷除油粉的无磷除油工艺，包括以下步骤： The non-phosphorous degreasing process of the non-phosphorous degreasing powder comprises the following steps:
1） 将无磷除油粉与水配制成清洗液，加入到清洗槽中，清洗液的pH为12.5～13.5； 1) Prepare phosphorus-free degreasing powder and water to make a cleaning solution, add it to the cleaning tank, and the pH of the cleaning solution is 12.5-13.5;
2） 将工件置于清洗液中浸泡清洗。 2) Soak and clean the workpiece in the cleaning solution.
无磷除油粉的浓度为45～55g/L。 The concentration of phosphorus-free degreasing powder is 45-55g/L.
浸泡清洗时间为1～5min。 Soaking and cleaning time is 1 to 5 minutes.
清洗液的温度为50～70℃。 The temperature of the cleaning solution is 50-70°C.
工件的表面积与清洗液的体积比为110～130dm2：1L。 The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
本发明的有益效果是：本无磷除油粉配制的无磷除油液不含磷，对环境友好，清洗效果优于常规的前处理除油工艺，除油液的使用寿命更为持久，且产生的废水更易处理。 The beneficial effects of the present invention are: the phosphorus-free oil-removing liquid prepared by the phosphorus-free oil-removing powder does not contain phosphorus, is environmentally friendly, the cleaning effect is better than the conventional pre-treatment oil-removing process, and the service life of the oil-removing liquid is longer. And the waste water produced is easier to treat.
具体实施方式 Detailed ways
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉配制成浓度为45～55g/L的清洗液，加入到清洗槽中，清洗液的pH为12.5～13.5，调整清洗液的温度为50～70℃。 1) Prepare phosphorus-free degreasing powder into a cleaning solution with a concentration of 45-55g/L, add it to the cleaning tank, the pH of the cleaning solution is 12.5-13.5, and adjust the temperature of the cleaning solution to 50-70°C.
2） 将工件置于清洗液中浸泡清洗1～5min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 1-5 minutes. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
下面结合实施例对本发明的配方做进一步的说明： Below in conjunction with embodiment, formula of the present invention is described further:
实施例1：Example 1:
无磷除油粉的组成如下表1： The composition of the phosphorus-free degreasing powder is shown in Table 1:
表1：无磷除油粉的组成 Table 1: Composition of phosphorus-free degreasing powder
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉与水配制成浓度为45g/L的清洗液，加入到清洗槽中，清洗液的pH为12.5～13.5，调整清洗液的温度为55℃。 1) Prepare a cleaning solution with a concentration of 45g/L of phosphorus-free degreasing powder and water, add it to the cleaning tank, the pH of the cleaning solution is 12.5-13.5, and adjust the temperature of the cleaning solution to 55°C.
2） 将工件置于清洗液中浸泡清洗1min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 1 min. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
除油效率达99%，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。 The degreasing efficiency reaches 99%. The water film test method is used to evaluate the degreasing effect. A uniform water film is formed on it, the water film does not break, and the test piece is degreased clean.
实施例2：Example 2:
无磷除油粉的组成如下表2： The composition of the phosphorus-free degreasing powder is shown in Table 2:
表2：无磷除油粉的组成 Table 2: Composition of phosphorus-free degreasing powder
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉与水配制成浓度为55g/L的清洗液，加入到清洗槽中，清洗液的pH为12.5～13.5，调整清洗液的温度为50℃。 1) Prepare a cleaning solution with a concentration of 55g/L of phosphorus-free degreasing powder and water, add it to the cleaning tank, the pH of the cleaning solution is 12.5-13.5, and adjust the temperature of the cleaning solution to 50°C.
2） 将工件置于清洗液中浸泡清洗5min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 5 minutes. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
除油效率达98.8%，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。 The degreasing efficiency reaches 98.8%. The water film test method is used to evaluate the degreasing effect. A uniform water film is formed on it, the water film does not break, and the test piece is degreased clean.
实施例3：Example 3:
无磷除油粉的组成如下表3： The composition of the phosphorus-free degreasing powder is shown in Table 3:
表3：无磷除油粉的组成 Table 3: Composition of phosphorus-free degreasing powder
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉与水配制成浓度为50g/L的清洗液，加入到清洗槽中，调整清洗液的pH为12.5～13.5，调整清洗液的温度为65℃。 1) Prepare a cleaning solution with a concentration of 50g/L of phosphorus-free degreasing powder and water, add it to the cleaning tank, adjust the pH of the cleaning solution to 12.5-13.5, and adjust the temperature of the cleaning solution to 65°C.
2） 将工件置于清洗液中浸泡清洗2min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 2 minutes. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
除油效率达99.8%，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。 The degreasing efficiency reaches 99.8%. The water film test method is used to evaluate the degreasing effect. A uniform water film is formed on it, the water film does not break, and the test piece is degreased clean.
实施例4：Example 4:
无磷除油粉的组成如下表4： The composition of the phosphorus-free degreasing powder is shown in Table 4:
表4：无磷除油粉的组成 Table 4: Composition of phosphorus-free degreasing powder
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉与水配制成浓度为48g/L的清洗液，加入到清洗槽中，调整清洗液的pH为12.5～13.5，调整清洗液的温度为70℃。 1) Prepare a cleaning solution with a concentration of 48g/L of phosphorus-free degreasing powder and water, add it to the cleaning tank, adjust the pH of the cleaning solution to 12.5-13.5, and adjust the temperature of the cleaning solution to 70°C.
2） 将工件置于清洗液中浸泡清洗4min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 4 minutes. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
除油效率达99.9%，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。 The degreasing efficiency reaches 99.9%. The water film test method is used to evaluate the degreasing effect. A uniform water film is formed on it, the water film does not break, and the test piece is degreased clean.
实施例5：Example 5:
无磷除油粉的组成如下表5： The composition of the phosphorus-free degreasing powder is shown in Table 5:
表5：无磷除油粉的组成 Table 5: Composition of phosphorus-free degreasing powder
一种无磷除油工艺，包括以下步骤： A kind of phosphorus-free degreasing process, comprises the following steps:
1） 将无磷除油粉与水配制成浓度为52g/L的清洗液，加入到清洗槽中，调整清洗液的pH为12.5～13.5，调整清洗液的温度为66℃。 1) Prepare a cleaning solution with a concentration of 52g/L of phosphorus-free degreasing powder and water, add it to the cleaning tank, adjust the pH of the cleaning solution to 12.5-13.5, and adjust the temperature of the cleaning solution to 66°C.
2） 将工件置于清洗液中浸泡清洗2min，工件表面积与清洗液的体积比为110～130dm2：1L。 2) Soak and clean the workpiece in the cleaning solution for 2 minutes. The volume ratio of the surface area of the workpiece to the cleaning solution is 110-130dm 2 : 1L.
除油效率达99.5%，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。 The degreasing efficiency reaches 99.5%. The water film test method is used to evaluate the degreasing effect. A uniform water film is formed on it, the water film does not break, and the test piece is degreased clean.
本发明除油效率均在98.8%之上，具有极高的除油效率，采用水膜试验法评价脱脂效果，其上形成均匀的水膜，水膜不破裂，试片脱脂干净。清洗效果优于常规的前处理除油工艺，由于无磷除油液不含磷，对环境友好，产生的废水更易处理。 The degreasing efficiency of the present invention is above 98.8%, which has extremely high degreasing efficiency. The water film test method is used to evaluate the degreasing effect, and a uniform water film is formed on it, the water film does not break, and the test piece is degreased clean. The cleaning effect is better than the conventional pre-treatment degreasing process. Since the phosphorus-free degreasing liquid does not contain phosphorus, it is friendly to the environment and the generated wastewater is easier to treat.
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| CN102534636B (en) * | 2011-10-31 | 2013-10-30 | 武汉钢实硅钢浩源润滑油有限公司 | Phosphate-free degreasing fluid composition for cold-rolled sheets before galvanizing, and preparation method for composition |
| CN102492952B (en) * | 2011-11-18 | 2014-02-19 | 东莞市东辉贸易有限公司 | Phosphorus-free oil removal powder, production process and phosphorus-free oil removal process |
| CN103103547B (en) * | 2013-02-27 | 2016-09-21 | 杨东佑 | Phosphateless environmentally friendly degreasing agent for metal, production method and using method |
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| CN105238568A (en) * | 2015-11-10 | 2016-01-13 | 荆门市拓达科技有限公司 | Non-phosphorus oil removing powder |
| CN105483726A (en) * | 2015-11-30 | 2016-04-13 | 武汉奥克特种化学有限公司 | Efficient low-foam normal-temperature phosphorous-free oil removing liquid |
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