CN105689638B - A kind of water base aluminium alloy compression casting releasing agent and preparation method thereof - Google Patents
A kind of water base aluminium alloy compression casting releasing agent and preparation method thereof Download PDFInfo
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- CN105689638B CN105689638B CN201610236773.9A CN201610236773A CN105689638B CN 105689638 B CN105689638 B CN 105689638B CN 201610236773 A CN201610236773 A CN 201610236773A CN 105689638 B CN105689638 B CN 105689638B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
The invention discloses a kind of water base aluminium alloy compression casting releasing agent, it is made up of the component of following mass ratio：100 150 parts of modification organic silicon oils, 10 20 parts of OPEs, 10 15 parts of heterogeneous ten alcohol polyoxyethylene ethers, 8 10 parts of long-chain fatty alcohol APEOs, 10 15 parts of tweens, 500 800 parts of deionized waters.The invention also discloses the preparation method containing the water base aluminium alloy compression casting releasing agent in addition, by the phenyl modified organic silicone oil of long alkane chain, OPE, heterogeneous ten alcohol polyoxyethylene ether, long-chain fatty alcohol APEO, tween heating melting, then) and then by said components stir, cool to 55 DEG C 75 DEG C, then deionized water is slowly dropped into batches, and being stirred for half an hour is prepared.Water based mold release agent prepared by the present invention can be used for the production of the die-cast metal product such as aluminium alloy, and demolding performace is good, can effectively improve cast product surface quality, improve casting finish and integrality.
Description
Technical field
The invention belongs to foundry facing and its synthesis technology field, and in particular to a kind of water base aluminium alloy compression casting takes off
Mould agent and preparation method thereof.
Background technology
Die casting is auto industry, the important support of electronic product industry.Releasing agent is that production die cast metal product must can not
Few auxiliary agent.Its main function, which is to aid in die cast metal product, to be removed from the molds, and has kept product
Whole property and aft-loaded airfoil.The wherein water based mold release agent of emulsion form is compared with traditional oil base releasing agent, with good cooling results, no
Produce accumulation, surface quality of continuous castings is good, contribute to reduce internal porosity and it is safe to use, cleaning, it is pollution-free the advantages that, be mesh
Preceding casting mold-releasing agent main product.
The die cast metal releasing agent of domestic market, it is broadly divided into two class：First, come as the U.S., Japan and other countries
Import releasing agent.The demolding performace of import releasing agent is good, casting of appearance of cast almost zero defect；Emulsifying effectiveness is good, when being diluted with water, nothing
Water-oil separating phenomenon；Sense organ is good, pollution-free to container.Because its price is high, mainly made by joint venture and some brand enterprises
With.Second, domestic releasing agent, demolding performace is preferable, but emulsifying effectiveness is undesirable.Domestic releasing agent generally existing film forming is bright and clean
Degree is poor, and emulsion is unstable and the problems such as unstable product quality so that some larger die casting producers of the country are so far still
Use import releasing agent product.In order to solve the above-mentioned technical problem, the present invention comes therefrom.
The content of the invention
Present invention aims at provide a kind of highly diluted better than, emulsifying effectiveness, stable performance, film-formation result good water-based aluminium
Alloy die cast releasing agent and preparation method thereof.The releasing agent can be stored and used for a long time, while the preparation method of the releasing agent
Step is simple, and raw material is easy to get.
Technical scheme is used by first aspect present invention solves technical problem：A kind of water base aluminium alloy compression casting demoulding
Agent, it is made up of the component of following mass ratio：100-150 parts modification organic silicon oil, 10-20 parts OPE, 10-15 parts
Heterogeneous ten alcohol polyoxyethylene ether, 8-10 part long-chain fatty alcohols APEO, 10-15 parts tween, 500-800 part deionized waters.
Preferably, the modification organic silicon oil is selected from the phenyl modified organic silicone oil of long alkane chain, polyether modified silicon oil, hydroxyl and changed
Property silicone oil one or two kinds of any of the above combination.
Preferably, the OPE is selected from any one poly- second of oxidation of 98-100 DEG C or 100-120 DEG C of fusing point
Alkene wax.
Preferably, the long-chain fatty alcohol APEO is selected from AEO7, AEO8 or AEO9.
Preferably, the tween is Tween 80.
The second aspect of the present invention provides a kind of preparation method of water base aluminium alloy compression casting releasing agent, and it includes following step
Suddenly：
(1) modification organic silicon oil, OPE, heterogeneous ten alcohol polyoxyethylene ether, long-chain fatty alcohol polyoxyethylene are taken
Ether, tween, melting is heated after said components are mixed；
(2) and then stir, cool to 55 DEG C -75 DEG C,
(3) deionized water is then slowly dropped into batches, is stirred for uniformly being prepared.
Preferably, the step (2) stirs 0.5-2 hours at 2000-3000 revs/min, cools to 60 DEG C.
Pass through above-mentioned technical proposal, the present invention is acted synergistically using composite emulsifier make it that the system of obtained releasing agent is equal
First, composition not free settling and good into fruit is imitated.
OPE, also known as OPE waxes, OPE waxes have the properties such as viscosity is low, softening point is high, hardness is good, nontoxic
Property, heat endurance is good, and high-temperature volatile is low, to filler, dispersed splendid, the existing extremely excellent external lubricity of pigment, has again
Stronger internal lubrication effect, also with coupled action, the production efficiency of plastic processing can be improved, reduces production cost, with gathering
Olefin resin etc. has good compatibility, and anti humility performance at normal temperatures is good, and chemical-resistant resistance ability is strong, and excellent electrical properties can
Improve finished appearance, be the preferable production for substituting montanin wax, river wax, atoleine, microcrystalline wax, natural paraffin wax, Tissuemat E etc.
Product.
Heterogeneous ten alcohol polyoxyethylene ether belongs to isomery alcohol ether, is efficient dispersant, wetting agent and emulsifying agent, without phenyl ring
Structure, it is the substitute that APES is excellent in textile auxiliary and detergent.
AEO (AEO), also known as polyoxyethylene aliphatic alcohol ether.It is to develop in nonionic surfactant
Kind most fast, dosage is maximum.Such surfactant is formed by polyethylene glycol (PEG) and fatty alcohol condensation
Ether, represented with below general formula：RO (CH2CH2O) nH, wherein n is the degree of polymerization, because of the degree of polymerization of polyethylene glycol and the kind of fatty alcohol
Class is different and has different kinds.Trade name Brij (Brij), if Brij30 and Brij is by different number of polyethylene glycol
Formed with laurate polycondensation, can all be used as O/W type emulsifying agents.When carbochain R is C7~9, during n=5, the fatty alcohol polyoxy second of generation
Alkene ether is industrially referred to as penetrating agent JFC (Penetrating agent JFC).
Tween (or polysorbate) is nonionic surface active agent, has foreign odor, warm and slight bitter, is a series of polyoxy second
Alkene removes the partial fatty acid ester of water sorbierite.It is widely used as the solubilizer of emulsifying agent and oily substance.Tween-80 is oleate.
Preferably, a kind of preparation method of water base aluminium alloy compression casting releasing agent, it comprises the following steps：By modified organic silicon
Oil, OPE, heterogeneous ten alcohol polyoxyethylene ether, long-chain fatty alcohol APEO, Tween 80 heating melting, Ran Hou
2000-3000 revs/min of stirring half an hour, 60 DEG C or so are cooled to, is then slowly dropped into deionized water in batches, is stirred for half an hour
It is prepared.
The advantages of the present invention are：
(1) present invention is used as high efficiency composition emulsifying agent by carrying out rational allocation, by reasonable group that studies various components
Close and match, mix the metal mold release agent with excellent demolding performace, water base casting mold-releasing agent produced by the invention has
Highly diluted than, it is easy emulsification, stripping result is excellent the characteristics of.
(2) water based mold release agent prepared by the present invention can be used for the production of the die-cast metal product such as aluminium alloy, demolding performace
Well, it can effectively improve cast product surface quality, improve casting finish and integrality.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate
The present invention and be not limited to limit the scope of the present invention.The implementation condition used in embodiment can be done according to the condition of specific producer
Further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
Embodiment 1
The composition of the water based mold release agent in mass ratio is：The phenyl modified organic silicone oil of 100 parts long alkane chain, 10 parts of fusing points are
100-120 DEG C of OPE, 10 parts of heterogeneous ten alcohol polyoxyethylene ethers, 8 parts of AEO9,10 parts of Tween 80s, 500 parts of deionizations
Water.
The phenyl modified organic silicone oil of long alkane chain, OPE, heterogeneous ten alcohol polyoxyethylene ether, long-chain fatty alcohol are gathered
Oxygen vinethene, tween, heating is allowed to melt after said components are mixed, and 2000-3000 revs/min of stirring half an hour, cools to
60 DEG C or so, deionized water is then slowly dropped into batches, and being stirred for half an hour is prepared.
Embodiment 2
The composition of the water based mold release agent in mass ratio is：The phenyl modified organic silicone oil of 150 parts long alkane chain, 15 parts of 98-100
DEG C OPE, 15 parts of heterogeneous ten alcohol polyoxyethylene ethers, 10 parts of AEO9,10 parts of Tween 80s, 700 parts of deionized waters.
Preparation method is the same as embodiment 1.
Comparative example
The composition of the water based mold release agent in mass ratio is：150 parts of silicone oil, 15 parts of 98-100 DEG C of OPEs, 15
Part heterogeneous ten alcohol polyoxyethylene ether, 10 parts of AEO9,10 parts of Tween 80s, 700 parts of deionized waters.
Preparation method is the same as embodiment 1.
The Performance for the casting mold-releasing agent that embodiment is prepared with common silicone oil
Demolding performace detection method is：Casting mold-releasing agent is diluted by a certain percentage with deionized water and (dilutes 150 here
Times), dilution even application on 280 DEG C of steel plates polished smooth have been heated to, spraying steel plate releasing agent part in 5 seconds
Molten aluminum liquid is inserted, is taken out after 15 seconds.
Evaluate releasing agent performance standard：Grade distinguishing demolding performace is pressed with plate quality change after leaching aluminium, soaks quality after aluminium
It is good to increase few demolding performace, it is on the contrary then poor.Assuming that it is m1 not soak aluminium front spring quality, quality increases to m2 after soaking aluminium, then soaks
Plate quality increase percentage is G=(m2-m1)/m1 × 100% before and after aluminium.As G≤0.1%, performance is excellent；0.1%<G
When≤0.5%, performance is good；During G >=0.5%, during performance is.
Application effect contrast is as shown in the table：
Contrasted by the casting mold-releasing agent prepared with common silicone oil, releasing agent provided by the invention has highly diluted
Than, composition not free settling, have good demoulding property the characteristics of.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow the person skilled in the art to be
Present disclosure can be understood and implemented according to this, it is not intended to limit the scope of the present invention.It is all smart according to the present invention
The equivalent transformation or modification that refreshing essence is done, should all be included within the scope of the present invention.
Claims (2)
1. a kind of water base aluminium alloy compression casting releasing agent, it is characterised in that it is made up of the component of following mass parts：100 parts of long alkane
The phenyl modified organic silicone oil of chain, 10 parts of fusing points be 100-120 DEG C of OPE, 10 parts of heterogeneous ten alcohol polyoxyethylene ethers, 8 parts
AEO9,10 parts of Tween 80s, 500 parts of deionized waters, it is prepared by the following method：
(1) the phenyl modified organic silicone oil of long alkane chain, OPE, heterogeneous ten alcohol polyoxyethylene ether, AEO9, Tween 80 are taken,
Melting is heated after mixing；
(2) and then by said components stir, cool to 55 DEG C -75 DEG C,
(3) deionized water is then slowly dropped into batches, is stirred for uniformly being prepared.
2. water base aluminium alloy compression casting releasing agent according to claim 1, it is characterised in that the step (2) is in 2000-
3000 revs/min of stirring 0.5-2 hours, cool to 60 DEG C.
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| CN105689638B true CN105689638B (en) | 2018-03-27 |
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| CN107790617A (en) * | 2016-08-29 | 2018-03-13 | 镇江佳鑫精工设备有限公司 | A kind of Cast Iron Die pours releasing agent with cast aluminium |
| CN106424539A (en) * | 2016-10-08 | 2017-02-22 | 常州创索新材料科技有限公司 | Preparation method of aluminum alloy pressure casting mold releasing agent |
| CN106566637A (en) * | 2016-10-26 | 2017-04-19 | 广西大学 | Aluminum alloy waterborne emulsion release agent |
| CN107034002B (en) * | 2017-05-22 | 2020-01-10 | 中山市润发纺织材料有限公司 | Environment-friendly aqueous demolding release composition |
| CN107335777A (en) * | 2017-07-01 | 2017-11-10 | 佛山市高质压铸材料有限公司 | Casting mold-releasing agent and preparation method thereof |
| CN108176805B (en) * | 2017-12-25 | 2019-09-20 | 上海氟聚化学产品股份有限公司 | A kind of aqua type aluminum alloy mould release agent and preparation method thereof |
| CN108130182B (en) * | 2017-12-29 | 2020-08-14 | 中天东方氟硅材料有限公司 | PC component release agent emulsion and preparation method thereof |
| CN108339930B (en) * | 2018-02-09 | 2020-06-02 | 富兰克润滑科技（太仓）有限公司 | Water-based release agent applied to aluminum alloy die castings and preparation method thereof |
| CN108515142A (en) * | 2018-07-13 | 2018-09-11 | 安徽思源三轻智能制造有限公司 | A kind of aluminium alloy compression casting releasing agent and preparation method thereof |
| CN109014023B (en) * | 2018-08-29 | 2020-07-10 | 昆山帝邦铸造科技有限公司 | Water-based release agent and preparation method and use method thereof |
| CN108788002B (en) * | 2018-08-29 | 2020-01-21 | 昆山帝邦铸造科技有限公司 | Heat-resistant aluminum alloy die-casting release agent and preparation method and use method thereof |
| CN109054980A (en) * | 2018-09-19 | 2018-12-21 | 广东赛米克新材料有限公司 | One kind being used for copper, aluminium and its alloy hot-die forging and forming high temperature resistant environment-protective release agent |
| CN109014026A (en) * | 2018-10-16 | 2018-12-18 | 上海樱花化研化工科技有限公司 | Mold release compositions and preparation method thereof |
| CN113751666B (en) * | 2021-09-30 | 2023-05-05 | 和县科嘉阀门铸造有限公司 | Water-based die-casting release agent for aluminum alloy casting |
| CN114682731A (en) * | 2022-04-24 | 2022-07-01 | 连云港倍力达新材料有限公司 | Mold release agent for aluminum alloy LED lamp product |
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| CN101898227A (en) * | 2010-07-28 | 2010-12-01 | 启东尤希路化学工业有限公司 | Environmental-friendly magnesium alloy mold releasing agent |
| CN102658351B (en) * | 2012-05-02 | 2013-10-09 | 厦门大学 | Fluorine-free aluminum zinc alloy water base release agent and preparation method thereof |
| CN104338894A (en) * | 2013-08-05 | 2015-02-11 | 天津高博铝业有限公司 | Aluminum alloy water-based mold release agent and preparation method thereof |
| CN103831393B (en) * | 2013-12-30 | 2016-05-25 | 上海福岛新材料科技有限公司 | A kind of water-based aluminium alloy compression casting releasing agent and preparation method thereof |
| CN105218826A (en) * | 2015-08-28 | 2016-01-06 | 苏州兴业材料科技股份有限公司 | A kind of modified silicon oil and water base casting mold-releasing agent therefrom |
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