阅读说明：本技术 一种玻璃失蜡法浇铸用石蜡及其制备方法 (A kind of glass lost-wax process casting paraffin and preparation method thereof ) 是由 龚有成 于 2019-07-23 设计创作，主要内容包括：本发明公开了一种玻璃失蜡法浇铸用石蜡及其制备方法,其原料按重量份比包括：沸石20-25份、无水乙醇20-22份、表面活性剂15-18份、氢氧化钙20-22份、引发剂5-8份、固体石蜡10-12份、聚二甲基硅氧烷14-17份、小麦秸秆18-25份、米糠16-20份、废油10-15份、去离子水15-20份和硬脂酸锰5-8份,本发明涉及石蜡技术领域。该玻璃失蜡法浇铸用石蜡及其制备方法,沸石的多孔特性可以保证石蜡不会在外界光照下氧化变质以及变黄,同时具有一定的除臭性,防止石蜡产生异味,同时氢氧化钙的加入可增加了石蜡的硬度,提高了抗压以及耐磨的性能,从而该玻璃失蜡法浇铸用石蜡具有良好的热安定和氧化安定性能,利于实际使用的需要,发展前景广阔,大大提高了该石蜡的适用性。(The invention discloses a kind of glass lost-wax process casting paraffin and preparation method thereof, its raw material includes: 20-25 parts of zeolite, 20-22 parts of dehydrated alcohol, 15-18 parts of surfactant, 20-22 parts of calcium hydroxide, 5-8 parts of initiator, 10-12 parts of solid paraffin, 14-17 parts of dimethyl silicone polymer, 18-25 parts of wheat stalk, 16-20 parts of rice bran, 10-15 parts of waste oil, 15-20 parts of deionized water and 5-8 parts of manganese stearate by weight, and the present invention relates to technical field of paraffin.Glass lost-wax process casting paraffin and preparation method thereof, the porosity characteristic of zeolite can guarantee that paraffin will not oxidation deterioration and flavescence under extraneous illumination, there is certain deodorization simultaneously, prevent paraffin from generating peculiar smell, the addition of calcium hydroxide can increase the hardness of paraffin simultaneously, improve resistance to compression and wear-resisting performance, to which glass lost-wax process casting paraffin has good heat stable and Oxidation Stability, conducive to the needs of actual use, development prospect is wide, substantially increases the applicability of the paraffin.)

1. a kind of glass lost-wax process casting paraffin, it is characterised in that: its raw material includes: 20-25 parts of zeolite, nothing by weight 20-22 parts of water-ethanol, 15-18 parts of surfactant, 20-22 parts of calcium hydroxide, 5-8 parts of initiator, 10-12 parts of solid paraffin, 14-17 parts of dimethyl silicone polymer, 18-25 parts of wheat stalk, 16-20 parts of rice bran, 10-15 parts of waste oil, 15-20 parts of deionized water With 5-8 parts of manganese stearate.

2. a kind of glass lost-wax process casting paraffin according to claim 1, it is characterised in that: its raw material includes such as the following group Point: 20 parts of zeolite, 20 parts of dehydrated alcohol, 15 parts of surfactant, 20 parts of calcium hydroxide, 5 parts of initiator, 10 parts of solid paraffin, 14 parts of dimethyl silicone polymer, 18 parts of wheat stalk, 16 parts of rice bran, 10 parts of waste oil, 15 parts of deionized water and 5 parts of manganese stearate.

3. a kind of glass lost-wax process casting paraffin according to claim 1, it is characterised in that: its raw material includes such as the following group Point: 22 parts of zeolite, 21 parts of dehydrated alcohol, 16 parts of surfactant, 21 parts of calcium hydroxide, 6 parts of initiator, 11 parts of solid paraffin, 15 parts of dimethyl silicone polymer, 20 parts of wheat stalk, 18 parts of rice bran, 12 parts of waste oil, 16 parts of deionized water and 7 parts of manganese stearate.

4. a kind of glass lost-wax process casting paraffin according to claim 1, it is characterised in that: its raw material includes such as the following group Point: 25 parts of zeolite, 22 parts of dehydrated alcohol, 18 parts of surfactant, 22 parts of calcium hydroxide, 8 parts of initiator, 12 parts of solid paraffin, 17 parts of dimethyl silicone polymer, 25 parts of wheat stalk, 20 parts of rice bran, 15 parts of waste oil, 20 parts of deionized water and 8 parts of manganese stearate.

5. a kind of glass lost-wax process casting paraffin according to any one of claims 1-4, it is characterised in that: described to draw Hair agent is ammonium persulfate.

6. a kind of glass lost-wax process casting paraffin according to any one of claims 1-4, it is characterised in that: the table Face activating agent is Dodecydimethylammonium bronides.

7. a kind of glass lost-wax process casting paraffin according to any one of claims 1-4, it is characterised in that: the rice Chaff is processed by pericarp, kind skin, perisperm, aleurone and embryo.

8. the preparation method that paraffin is used in a kind of glass lost-wax process casting, it is characterised in that: specifically includes the following steps:

The preparation of S1, organically-modified paraffin: dimethyl silicone polymer is placed in container, adds dehydrated alcohol, passes through height Fast blender uniformly mix uniformly, and 15-30min after mixing evenly, is put into heater box and is heated, heating temperature It is 92-96 DEG C, after heating, solid paraffin is added in continuation in container, after stirring 25-30min at that same temperature, into Row distillation, obtains organically-modified paraffin；

The preparation of S2, tunning: rice bran and wheat stalk being put into high speed disintegrator and crushed, and crush 10-15min Afterwards, it is filtered, filtered mixed material, initiator and waste oil is put into fermentor, in 80-95 by 80 meshes DEG C temperature under the conditions of heat, after materials inside is melted completely, it is cooling to take out room temperature, finally obtains tunning；

The preparation of S3, aqueous dispersions: surfactant is placed in sterile chamber, while deionized water is added, while stirring It is added, after mixing both, obtains aqueous dispersions；

The preparation of S4, mixture: the aqueous dispersions that will be added in tunning obtained in S2 in S3, in 70-90 DEG C of temperature Under the conditions of be mixed evenly after take out, be stored at room temperature drying, obtain mixture；

S5, it aoxidizes being made for inert type paraffin: calcium hydroxide and zeolite being put into ball mill, crushed, crush 20- After 25min, taking-up is put into reaction kettle, is passed through nitrogen, the temperature of reaction kettle is adjusted to after 60-80 DEG C, reaction 3-5h, then will The organically-modified paraffin in mixture and S1 in S4 is added to reaction kettle, is passed through nitrogen, and the pressure of reaction kettle is adjusted For 0.5Mpa, manganese stearate is added, temperature of reaction kettle is at this moment adjusted to 100-110 DEG C, after reacting 4-6h, final reaction knot Shu Hou pours into reaction product in relevant paraffin mold, and oxidation inert type paraffin is finally obtained after room temperature is cooling.

Technical field

The present invention relates to technical field of paraffin, specially a kind of glass lost-wax process casting paraffin and preparation method thereof.

Background technique

Paraffin is also known as crystalline wax, the hydrocarbon mixture that carbon atom number is about 18~30, main component be linear paraffin (about 80%~95%), there are also the monocyclic naphthenes of alkane and belt length side chain on a small quantity with individual branches (the two add up to content 20% with Under), paraffin is taken off from the resulting lube cut of crude distillation through solvent refining, solvent dewaxing or through wax freezing and crystallizing, squeezing It is waxed to obtain slack wax, then through de-oiling, and sheet made from post-refining or acicular crystal, it is different according to processing and refining degree, it can divide For fully refined paraffin wax, semi-refined paraffin wax and 3 kinds of scale wax.

Paraffin product is chronically at hot melt state in moulding or coating process, and contacts with air, stability it is poor and It is easy to oxidation deterioration, darkens, or even stink, can also turn yellow when furthermore using in paraffin under illumination condition, together When paraffin under the conditions of external force, be also easy to embrittlement, it is therefore desirable to paraffin have good thermostability, oxidation stability and light Stability is this programme problem to be solved above.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides a kind of glass lost-wax process casting paraffin and preparation method thereof, Solving existing paraffin and being easy to happen oxidation when casting and using causes to darken and stink to causing stability Poor.

(2) technical solution

In order to achieve the above object, the present invention is achieved by the following technical programs: stone is used in a kind of casting of glass lost-wax process Wax, raw material include: 20-25 parts of zeolite, 20-22 parts of dehydrated alcohol, 15-18 parts of surfactant, hydroxide by weight 20-22 parts of calcium, 5-8 parts of initiator, 10-12 parts of solid paraffin, 14-17 parts of dimethyl silicone polymer, 18-25 parts of wheat stalk, 16-20 parts of rice bran, 10-15 parts of waste oil, 15-20 parts of deionized water and 5-8 parts of manganese stearate, zeolite are the total of zeolite race mineral Claim, is a kind of aqueous alkali or alkaline earth metal aluminosilicate mineral.

Preferably, raw material includes following component: 20 parts of zeolite, 20 parts of dehydrated alcohol, 15 parts of surfactant, hydroxide 20 parts of calcium, 5 parts of initiator, 10 parts of solid paraffin, 14 parts of dimethyl silicone polymer, 18 parts of wheat stalk, 16 parts of rice bran, waste oil 10 Part, 15 parts of deionized water and 5 parts of manganese stearate, dimethyl silicone polymer is a kind of organic silicon materials of hydrophobic class, in drug, day Changing each field such as articles, food and building has application, its derivative has reached hundreds of, and common polysiloxanes mainly has: Dimethyl silicone polymer, cyclomethicone, amino silicone, polymethylphenylsiloxane and polysiloxane polyether copolymer.

Preferably, raw material includes following component: 22 parts of zeolite, 21 parts of dehydrated alcohol, 16 parts of surfactant, hydroxide 21 parts of calcium, 5 parts of initiator, 11 parts of solid paraffin, 15 parts of dimethyl silicone polymer, 20 parts of wheat stalk, 18 parts of rice bran, waste oil 12 Part, 16 parts of deionized water and 7 parts of manganese stearate, stalk is the general name of mature crops cauline leaf (fringe) part, is often referred to wheat, water The remainder of rice, corn, potato, rape, cotton, sugarcane and other crops (usually coarse food grain) after harvesting seed.

Preferably, raw material includes following component: 25 parts of zeolite, 22 parts of dehydrated alcohol, 18 parts of surfactant, hydroxide 22 parts of calcium, 8 parts of initiator, 12 parts of solid paraffin, 17 parts of dimethyl silicone polymer, 25 parts of wheat stalk, 20 parts of rice bran, waste oil 15 Part, 20 parts of deionized water and 8 parts of manganese stearate.

Preferably, the initiator is ammonium persulfate.

Preferably, the surfactant is Dodecydimethylammonium bronides.

Preferably, the rice bran is processed by pericarp, kind skin, perisperm, aleurone and embryo.

The invention also discloses a kind of preparation methods of glass lost-wax process casting paraffin, specifically includes the following steps:

The preparation of S1, organically-modified paraffin: dimethyl silicone polymer is placed in container, adds dehydrated alcohol, is led to It crosses high speed agitator uniformly mix uniformly, 15-30min after mixing evenly, is put into heater box and is heated, heating Temperature is 92-96 DEG C, after heating, and solid paraffin is added in continuation in container, stirs 25-30min at that same temperature Afterwards, it is distilled, obtains organically-modified paraffin；

The preparation of S2, tunning: rice bran and wheat stalk being put into high speed disintegrator and crushed, and crush 10- It after 15min, is filtered, filtered mixed material, initiator and waste oil is put into fermentor, In by 80 meshes It is heated under the conditions of 80-95 DEG C of temperature, after materials inside is melted completely, takes out room temperature cooling, finally obtain tunning；

The preparation of S3, aqueous dispersions: surfactant is placed in sterile chamber, while deionized water is added, while stirring It mixes side addition and obtains aqueous dispersions after mixing both；

The preparation of S4, mixture: the aqueous dispersions that will be added in tunning obtained in S2 in S3, at 70-90 DEG C It is taken out after being mixed evenly under the conditions of temperature, is stored at room temperature drying, obtain mixture；

S5, it aoxidizes being made for inert type paraffin: calcium hydroxide and zeolite being put into ball mill, crushed, crush 20- After 25min, taking-up is put into reaction kettle, is passed through nitrogen, the temperature of reaction kettle is adjusted to after 60-80 DEG C, reaction 3-5h, then will The organically-modified paraffin in mixture and S1 in S4 is added to reaction kettle, is passed through nitrogen, and the pressure of reaction kettle is adjusted For 0.5Mpa, manganese stearate is added, temperature of reaction kettle is at this moment adjusted to 100-110 DEG C, after reacting 4-6h, final reaction knot Shu Hou pours into reaction product in relevant paraffin mold, and oxidation inert type paraffin is finally obtained after room temperature is cooling.

(3) beneficial effect

The present invention provides a kind of glass lost-wax process casting paraffin and preparation method thereof.Have following the utility model has the advantages that should Glass lost-wax process casting paraffin, raw material include: 20-25 parts of zeolite, 20-22 parts of dehydrated alcohol, surface work by weight Property 15-18 parts of agent, 20-22 parts of calcium hydroxide, 5-8 parts of initiator, 10-12 parts of solid paraffin, dimethyl silicone polymer 14-17 Part, 18-25 parts of wheat stalk, 16-20 parts of rice bran, 10-15 parts of waste oil, 15-20 parts of deionized water and 5-8 parts of manganese stearate, should The glass lost-wax process casting preparation method of paraffin, specifically includes the following steps: the preparation of S1, organically-modified paraffin；S2, fermentation The preparation of product；The preparation of S3, aqueous dispersions；The preparation of S4, mixture；S5, being made for inert type paraffin is aoxidized；Zeolite it is more Pore property can guarantee paraffin will not oxidation deterioration and flavescence under extraneous illumination, while there is certain deodorization, prevent Paraffin generates peculiar smell, while the addition of calcium hydroxide can increase the hardness of paraffin, improve resistance to compression and wear-resisting performance, from And glass lost-wax process casting paraffin has good hot stable and Oxidation Stability, development prospect wide.

Detailed description of the invention

Fig. 1 is flow chart of the invention；

Fig. 2 is that the present invention uses experimental data statistical form figure.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The embodiment of the present invention provides three kinds of technical solutions referring to FIG. 1-2: a kind of glass lost-wax process casting system of paraffin Preparation Method specifically includes following embodiment；