CN107236309A - A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof - Google Patents

A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof Download PDF

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Publication number
CN107236309A
CN107236309A CN201610181463.1A CN201610181463A CN107236309A CN 107236309 A CN107236309 A CN 107236309A CN 201610181463 A CN201610181463 A CN 201610181463A CN 107236309 A CN107236309 A CN 107236309A
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wax
fischer
hot investment
investment casting
tropsch wax
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CN107236309B (en
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徐勇军
李柏鸿
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Dongguan University of Technology
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Dongguan University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention discloses a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof, it includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：10%~50%；Fischer-Tropsch wax：5%~20%；Stearic acid：10%~50%；Petropols：5%~30%；Lignite wax：0~10%.Its preparation method is：In a heated condition, various raw materials are mixed evenly into transparent liquid, are molded after filtering.The hot investment casting wax softening point of the present invention is moderate, and needle penetration is minimum, and linear shrinkage ratio is small, and bending strength is larger, and ash content is small, can be widely used for preparing the wax pattern of high precision aviation cast structure part and the wax pattern of other hot investment castings.

Description

A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof
Technical field
The present invention relates to a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof.
Background technology
Hot investment casting is otherwise known as precision-investment casting, and it is a kind of metal forming process, is the result cooperated jointly through working procedures, various materials, many technologies by each casting obtained by model casting.The general technology of model casting can be divided into：Design meets the die mould of size requirement with manufacture；The wax-pattern for meeting various physicochemical properties is manufactured by suitable die mould；The several layers of refractory material in wax pattern surface repetitive coatings；By high-temperature steam and hot water dewaxing wax material is all removed from refractory material, form ghost；Liquid metal is poured in ghost；It is finally cooling, shelling and casting cleaning.Wherein, the wax that high temperature is removed can also be reused in the manufacture of wax-pattern.Because the accurate size of resulting casting, corner angle are clear, surface is smooth in this way, close to the final form of zero suspension member, therefore also known as hot investment casting.
In some special dimensions, as having many ultra-large type integral structure components in aerospace industry field, there are many local thickness larger in its structure, it is desirable to which mould material shrinkage factor is small, good stability of the dimension, good fluidity, flexural strength high, hardness is high, surface is smooth and causes refractory material to be easily adhered to model surface with wetability.On the market often there is problems with most mould material when preparing above-mentioned thick big monolithic devices fine structure part：1）Because the shrinkage factor at the abundant position of wax-pattern is larger, it is impossible to obtain the model of exact scale；2）The surface smoothness of wax-pattern is not high, wetability is bad, causes the inside of obtained refractory-material dies easily to form concavo-convex, hollow surface.
The content of the invention
It is an object of the invention to provide a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax and preparation method thereof.
The technical solution used in the present invention is：
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：10%~50%；Fischer-Tropsch wax：5%~20%；Stearic acid：10%~50%；Petropols：5%~30%；Lignite wax：0~10%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%~43%；Fischer-Tropsch wax：7%~15%；Stearic acid：25%~35%；Petropols：15%~28%；Lignite wax：0~2%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：40%；Fischer-Tropsch wax：12%；Stearic acid：33%；Petropols：15%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：15%；Stearic acid：27%；Petropols：15%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：10%；Stearic acid：25%；Petropols：20%；Lignite wax：2%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%；Fischer-Tropsch wax：7%；Stearic acid：35%；Petropols：28%；Lignite wax：2%.
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, in addition to account for 0.3%~0.5wt% of solvent pigment.
The melting point of paraffin wax is 55~60 DEG C.
The fusing point of the Fischer-Tropsch wax is 100~110 DEG C.
The stearic fusing point is 60~65 DEG C.
The fusing point of the lignite wax is 80~90 DEG C.
The softening point of the Petropols is 90~100 DEG C.
The preparation method of the above-mentioned hot investment casting wax-pattern material based on Fischer-Tropsch wax, step is：In a heated condition, various raw materials are mixed evenly into transparent liquid, are molded after filtering.
The beneficial effects of the invention are as follows：The hot investment casting wax softening point of the present invention is moderate, and needle penetration is minimum, and linear shrinkage ratio is small, and bending strength is larger, and ash content is small, can be widely used for preparing the wax pattern of high precision aviation cast structure part and the wax pattern of other hot investment castings.
Embodiment
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：10%~50%；Fischer-Tropsch wax：5%~20%；Stearic acid：10%~50%；Petropols：5%~30%；Lignite wax：0~10%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%~43%；Fischer-Tropsch wax：7%~15%；Stearic acid：25%~35%；Petropols：15%~28%；Lignite wax：0~2%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：40%；Fischer-Tropsch wax：12%；Stearic acid：33%；Petropols：15%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：15%；Stearic acid：27%；Petropols：15%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：10%；Stearic acid：25%；Petropols：20%；Lignite wax：2%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%；Fischer-Tropsch wax：7%；Stearic acid：35%；Petropols：28%；Lignite wax：2%.
It is preferred that, a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, in addition to account for 0.3%~0.5wt% of solvent pigment.
It is preferred that, the melting point of paraffin wax is 55~60 DEG C.
It is preferred that, the fusing point of the Fischer-Tropsch wax is 100~110 DEG C.
It is preferred that, the stearic fusing point is 60~65 DEG C.
It is preferred that, the fusing point of the lignite wax is 80~90 DEG C.
It is preferred that, the softening point of the Petropols is 90~100 DEG C.
It is preferred that, the Petropols are the C5/C9 copolymerized petroleum resins of Puyang Kai Ruide Petropols Co., Ltd.
The preparation method of the above-mentioned hot investment casting wax-pattern material based on Fischer-Tropsch wax, step is：In a heated condition, various raw materials are mixed evenly into transparent liquid, are molded after filtering.
The present invention is made further explanation and description with reference to specific embodiment.
Embodiment 1 ：
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is made up of the raw material of following mass percent：Paraffin：40%；Fischer-Tropsch wax：12%；Stearic acid：33%；Petropols：15%.
Embodiment 2 ：
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：15%；Stearic acid：27%；Petropols：15%.
Embodiment 3 ：
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：10%；Stearic acid：25%；Petropols：20%；Lignite wax：2%.
Embodiment 4 ：
A kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is made up of the raw material of following mass percent：Paraffin：28%；Fischer-Tropsch wax：7%；Stearic acid：35%；Petropols：28%；Lignite wax：2%.
The preparation method of the hot investment casting wax-pattern material of embodiment 1~4 is as follows：Each component is mixed evenly into transparent wax liquor according to certain feeding sequence under 130~150 DEG C of temperature conditionss, is molded after filtering.
The performance test data of the hot investment casting wax-pattern material of the embodiment 1~4 of table 1
Note：" preceding " represents the first time test data of mould material in table, and " rear " represents mould material and use the test data after 5 times.
Method of testing：
Softening point：GB/T4507-1984；
Needle penetration：GB/T14235.5-1993；
Linear shrinkage ratio：GB/T14235.4-1993；
Ash content：GB/T14235.3-1993.
As shown in Table 1：The hot investment casting wax softening point of the present invention is moderate, and needle penetration is minimum, and linear shrinkage ratio is small, and bending strength is larger, and ash content is small, can be widely used for preparing the wax pattern of high precision aviation cast structure part and the wax pattern of other hot investment castings.The every data of the hot investment casting wax of the present invention are good, the need for meeting actual production well.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are simultaneously not restricted to the described embodiments; other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification; equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (10)

1. a kind of hot investment casting wax-pattern material based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：10%~50%；Fischer-Tropsch wax：5%~20%；Stearic acid：10%~50%；Petropols：5%~30%；Lignite wax：0~10%.
2. the hot investment casting wax-pattern material according to claim 1 based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%~43%；Fischer-Tropsch wax：7%~15%；Stearic acid：25%~35%；Petropols：15%~28%；Lignite wax：0~2%.
3. the hot investment casting wax-pattern material according to claim 2 based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：40%；Fischer-Tropsch wax：12%；Stearic acid：33%；Petropols：15%.
4. the hot investment casting wax-pattern material according to claim 2 based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：15%；Stearic acid：27%；Petropols：15%.
5. the hot investment casting wax-pattern material according to claim 2 based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：43%；Fischer-Tropsch wax：10%；Stearic acid：25%；Petropols：20%；Lignite wax：2%.
6. the hot investment casting wax-pattern material according to claim 2 based on Fischer-Tropsch wax, it is characterised in that：It includes solvent, and described solvent is made up of the raw material of following mass percent：Paraffin：28%；Fischer-Tropsch wax：7%；Stearic acid：35%；Petropols：28%；Lignite wax：2%.
7. the hot investment casting wax-pattern material based on Fischer-Tropsch wax according to any one in claim 1~6, it is characterised in that：Also include the pigment for accounting for 0.3%~0.5wt% of solvent.
8. the hot investment casting wax-pattern material based on Fischer-Tropsch wax according to any one in claim 1~6, it is characterised in that：The melting point of paraffin wax is 55~60 DEG C；The fusing point of the Fischer-Tropsch wax is 100~110 DEG C；The stearic fusing point is 60~65 DEG C；The fusing point of the lignite wax is 80~90 DEG C.
9. the hot investment casting wax-pattern material based on Fischer-Tropsch wax according to any one in claim 1~6, it is characterised in that：The softening point of the Petropols is 90~100 DEG C.
10. the preparation method of the hot investment casting wax-pattern material based on Fischer-Tropsch wax in claim 1~6 described in any one, it is characterised in that：Step is：In a heated condition, various raw materials are mixed evenly into transparent liquid, are molded after filtering.
CN201610181463.1A 2016-03-28 2016-03-28 A kind of hot investment casting wax-pattern material and preparation method thereof based on Fischer-Tropsch wax Active CN107236309B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107936582A (en) * 2017-10-19 2018-04-20 惠州市优恒科三维材料有限公司 A kind of 3D printing shaping wax of high rigidity-toughness balanced and preparation method thereof
CN109438999A (en) * 2018-11-30 2019-03-08 广州市德馨蜡制品有限公司 Based on MJP technology dental 3D printing wax material and preparation method thereof
CN110358311A (en) * 2019-07-10 2019-10-22 南通亚泰蜡业工艺品有限公司 A kind of electric candle modified paraffin and preparation method thereof
CN111607238A (en) * 2020-07-03 2020-09-01 江苏法迩蜡业有限公司 Composite wax for PVC (polyvinyl chloride) stone-plastic floor and preparation method thereof

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CN104815957A (en) * 2015-04-29 2015-08-05 柳州科尔特锻造机械有限公司 Novel precision investment casting process

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黄俊燕: "系列精密铸造蜡的生产工艺研究", 《河南化工》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107936582A (en) * 2017-10-19 2018-04-20 惠州市优恒科三维材料有限公司 A kind of 3D printing shaping wax of high rigidity-toughness balanced and preparation method thereof
CN109438999A (en) * 2018-11-30 2019-03-08 广州市德馨蜡制品有限公司 Based on MJP technology dental 3D printing wax material and preparation method thereof
CN109438999B (en) * 2018-11-30 2021-05-07 广州市德馨蜡制品有限公司 Dental 3D printing wax material based on MJP technology and preparation method thereof
CN110358311A (en) * 2019-07-10 2019-10-22 南通亚泰蜡业工艺品有限公司 A kind of electric candle modified paraffin and preparation method thereof
CN111607238A (en) * 2020-07-03 2020-09-01 江苏法迩蜡业有限公司 Composite wax for PVC (polyvinyl chloride) stone-plastic floor and preparation method thereof

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