CN111500352A - 一种金属切削液及制备方法 - Google Patents
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
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Abstract
本发明公开了一种金属切削液及其制备方法。一种金属切削液,由以下重量份原料组成:防锈剂35‑45份,高分子聚醚润滑添加剂5‑10份,改性聚醚胺2‑8份,短链酸15‑20份,沉降剂1‑3份,水14‑42份。金属切削液的制备方法的步骤为,先将防锈剂与短链酸混合后升温至65‑75℃预热20‑30分钟,至溶液透明,然后加入改性聚醚胺、高分子聚醚润滑添加剂、沉降剂和水均匀混合,最后即得金属切削液成品。本发明制备的切削液中不含油脂原料,能满足金属材料加工中的润滑要求,同时又有切削加工屑沉降速度快,消泡性能力强。
Description
技术领域
本发明涉及金属加工领域,特别是一种不含磷、苯酚的金属切削液及制备方法。
背景技术
金属加工在成型过程中需按不同的要求进行镗、钻、攻、磨、切削加工等诸多工艺,在这些加工工艺的进行中必须要有润滑冷却介质,俗称“切削液”。对于高难度的切削、攻丝、钻孔、挤压、加工一直采用润滑性特别好的油基材料,如切削油、乳化油等油性产品。此类油性产品消耗大量的油品资源,浓郁的刺鼻气味严重影响操作工的身心健康;产生大量废液,不易沉降,很难处理,废水处理费用高;细菌繁殖快,使用周期短,为了控制它的变质往往必须添加一些杀菌防腐剂,这些杀菌防腐剂多少又会对操作工身体和周围环境污染造成危害,同时大量切削液在工作时候会产生大量泡沫,严重影响操作者视线,易造成安全隐患。
因此,如何研制一种高安全、高性能金属加工切削液,以克服现有切削液产品存在的不足,是本领域技术人员所需解决的技术问题。
发明内容
发明目的:本发明的目的是为了解决现有技术中的不足,提供一种不含油脂原料,能满足金属材料加工中的润滑要求,同时又有切削加工屑沉降速度快,消泡性能力极强,且对各种金属材料有防腐防锈作用,不添加任何杀菌防腐剂,油水分离性能极强的金属切削液及制备方法。
技术方案:一种金属切削液,由以下重量份原料组成:防锈剂35-45份,高分子聚醚润滑添加剂5-10份,改性聚醚胺2-8份,短链酸15-20份,沉降剂1-3份,水14-42份。
本发明的进一步改进在于,防锈剂为三乙醇胺、羧酸胺中的混合物,三乙醇胺、羧酸胺配比为5:1。
本发明的进一步改进在于,高分子聚醚润滑添加剂为反向EO/PO嵌段共聚物。
本发明的进一步改进在于,改性聚醚胺为二元醇为主链的二元胺。
本发明的进一步改进在于,短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。
本发明的进一步改进在于,所述沉降剂为季胺化合物。
一种金属切削液的制备方法,具体步骤如下:
1)先将防锈剂与短链酸混合后升温至65-75℃;
2)预热20-30分钟,至溶液透明;
3)加入改性聚醚胺、高分子聚醚润滑添加剂、沉降剂和水均匀混合;
4)过滤。
与现有技术相比,本发明提供的一种金属切削液,至少实现了如下的有益效果:
(1)润滑性、冷却性优良,金属屑沉降快、油水分离速度快;
(2)对各种金属防锈防腐性好;
(3)长期使用后金属切削液仍能保持清澈透明,不发臭、不霉变。延长切削液使用寿命数倍,减少废切削液的排放,降低污染,极好地保护环境并节约了成本。
(4)添加具有极强的自动消泡性能的改性聚醚胺,这种成分能够消除了由于泡沫阻挡视线造成的安全隐患。
当然,实施本发明的任一产品并不特定需要同时达到以上所述的所有技术效果。
具体实施方式
现详细描述本发明的各种示例性实施例。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的,决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中,任何具体值应被解释为仅仅是示例性的,而不是作为限制。因此,示例性实施例的其它例子可以具有不同的值。
实施例1
向反应釜中加入防锈剂40份与短链酸20份,混合后升温至65℃-75℃并保持29分钟,至溶液透明,然后加入改性聚醚胺5份、高分子润滑添加剂10份、沉降剂2份和水23份混合均匀,最后过滤即得金属切削液成品。采用GB-T 3142-1982 润滑剂承载能力测定法-四球法,测定金属切削液的最大无卡咬负荷值PB为83kg。金属切削液在使用过程中金属未有生锈现象,持续使用一年后金属切削液仍清澈透明、表层无泡沫,且未发生霉变,仍可继续使用。
其中,防锈剂由三乙醇胺、羧酸胺按5:1配比制成;短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。改性聚醚胺由大连连晟贸易(常州)有限公司购得(下同)。
实施例2
向反应釜中加入防锈剂35份与短链酸15份,混合后升温至65℃-75℃并保持22分钟,至溶液透明,然后加入改性聚醚胺3份、高分子润滑添加剂5份、沉降剂2份和水40份混合均匀,最后过滤即得金属切削液成品。采用GB-T 3142-1982 润滑剂承载能力测定法-四球法,测定金属切削液的最大无卡咬负荷值PB为81kg。金属切削液在使用过程中金属未有生锈现象,持续使用一年后金属切削液仍清澈透明、表层无泡沫,且未发生霉变,仍可继续使用。
其中,防锈剂由三乙醇胺、羧酸胺按5:1配比制成;短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。
实施例3
向反应釜中加入防锈剂45份与短链酸18份,混合后升温至65℃-75℃并保持30分钟,至溶液透明,然后加入改性聚醚胺8份、高分子润滑添加剂8份、沉降剂2份和水19份混合均匀,最后过滤即得金属切削液成品。采用GB-T 3142-1982 润滑剂承载能力测定法-四球法,测定金属切削液的最大无卡咬负荷值PB为87kg。金属切削液在使用过程中金属未有生锈现象,持续使用一年后金属切削液仍清澈透明、表层无泡沫,且未发生霉变,仍可继续使用。
其中,防锈剂由三乙醇胺、羧酸胺按5:1配比制成;短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。
实施例4
向反应釜中加入防锈剂40份与短链酸18份,混合后升温至65℃-75℃并保持26分钟,至溶液透明,然后加入改性聚醚胺8份、高分子润滑添加剂8份、沉降剂2份和水24份混合均匀,最后过滤即得金属切削液成品。采用GB-T 3142-1982 润滑剂承载能力测定法-四球法,测定金属切削液的最大无卡咬负荷值PB为86kg。金属切削液在使用过程中金属未有生锈现象,持续使用一年后金属切削液仍清澈透明、表层无泡沫,且未发生霉变,仍可继续使用。
其中,防锈剂由三乙醇胺、羧酸胺按5:1配比制成;短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。
实施例5
向反应釜中加入防锈剂39份与短链酸17份,混合后升温至65℃-75℃并保持25分钟,至溶液透明,然后加入改性聚醚胺6份、高分子润滑添加剂7份、沉降剂3份和水28份混合均匀,最后过滤即得金属切削液成品。采用GB-T 3142-1982 润滑剂承载能力测定法-四球法,测定金属切削液的最大无卡咬负荷值PB为85kg。金属切削液在使用过程中金属未有生锈现象,持续使用一年后金属切削液仍清澈透明、表层无泡沫,且未发生霉变,仍可继续使用。
其中,防锈剂由三乙醇胺、羧酸胺按5:1配比制成;短链酸为新葵酸、异壬酸、癸二酸中的混合物,新葵酸、异壬酸、癸二酸的比例为1:1:1。
由上述实施例1-5可知,本发明提供金属切削液的最大无卡咬负荷值PB可达87kg,说明金属切削液具有优异的润滑性和极压性。金属切削液泡沫极少、不发生霉变,使用寿命在一年以上。
申请人经长期研究发现,将聚醚胺溶于水中后,会吸收水分子与交联聚合物的基团发生水合,解离出了大量的阳离子 ,使得阳离子做相对自由的运动 ,而解离出的聚合物离子则处于相对静止状态,上述两者间存在很强的静电斥力,可以使聚合物链的伸展并最终导致整个网状结构在空间上的扩张,水分子与网状结构中解离出离子水合,水合后构成了与自由水不相同的环境,环境内外存在很强的渗透压,从而改善了普通水的结构,并与其他组分一起相互协同使切削液获得了高速自动消泡的优异性能。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上例子仅是为了进行说明,而不是为了限制本发明的范围。本领域的技术人员应该理解,可在不脱离本发明的范围和精神的情况下,对以上实施例进行修改。本发明的范围由所附权利要求来限定。
Claims (7)
1.一种金属切削液,其特征在于,由以下重量份原料组成:防锈剂35-45份,高分子聚醚润滑添加剂5-10份,改性聚醚胺2-8份,短链酸15-20份,沉降剂1-3份,水14-42份。
2.根据权利要求1所述的一种金属切削液,其特征在于,所述防锈剂为三乙醇胺、羧酸胺中的混合物,所述三乙醇胺、羧酸胺配比为5:1。
3.根据权利要求1所述的一种金属切削液,其特征在于,所述高分子聚醚润滑添加剂为反向EO/PO嵌段共聚物。
4.根据权利要求1所述的一种金属切削液,其特征在于,所述改性聚醚胺为二元醇为主链的二元胺。
5.根据权利要求1所述的一种金属切削液,其特征在于,所述短链酸为新葵酸、异壬酸、癸二酸中的混合物,所述新葵酸、异壬酸、癸二酸的比例为1:1:1。
6.根据权利要求1所述的一种金属切削液,其特征在于,所述沉降剂为季胺化合物。
7.根据权利要求1所述的一种金属切削液的制备方法,其特征在于,具体步骤如下:
1)先将防锈剂与短链酸混合后升温至65-75℃;
2)预热20-30分钟,至溶液透明;
3)加入改性聚醚胺、高分子聚醚润滑添加剂、沉降剂和水均匀混合;
4)过滤。
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