CN104371080A - Preparation method of modified paraffin - Google Patents
Preparation method of modified paraffin Download PDFInfo
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- CN104371080A CN104371080A CN201410632678.1A CN201410632678A CN104371080A CN 104371080 A CN104371080 A CN 104371080A CN 201410632678 A CN201410632678 A CN 201410632678A CN 104371080 A CN104371080 A CN 104371080A
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Abstract
The invention discloses a preparation method of modified paraffin, which is characterized by comprising the following steps: (1) preparing a dextrin water solution from dextrin, adding sodium citrate, and uniformly mixing to obtain a mixture A; (2) sufficiently reacting acrylic acid, polyethylene, silane and an epoxy resin under the pH value of 7-8 for 50-70 minutes to obtain a mixture B; and (3) melting paraffin at 50-60 DEG C, sequentially adding the mixture A, mixture B, sodium dodecyl benzene sulfonate, dicumyl peroxide and butylated hydroxytoluene in a nitrogen protective atmosphere, reacting for 8-10 hours, and cooling to obtain the modified paraffin. The preparation method is simple; the prepared modified paraffin has antirust and anticorrosion functions, has favorable flowability, and can be used for antirust treatment for steel, bearings, large-size machines, pipelines or the like.
Description
Technical field
The present invention relates to a kind of preparation method of modified paraffin, belong to industrial chemical technical field.
Background technology
Paraffin is one of solid crystal product extract from oil.Paraffin is a kind of fat hydrocarbon, is multiple hydrocarbon polymer, i.e. the mixture of different molecular weight hydro carbons, primarily of normal paraffin composition, in addition containing some solid isoparaffins, naphthenic hydrocarbon and a small amount of aromatic hydrocarbons; Be characterized in direct or branched carbon chain, and containing normal paraffin, general formula CnH2n+2, n are carbon atom in hydrocarbon chain (n=17 ~ 36).The molecule of wax crystal layer composition has planar zigzag form conformation, the n that molecular length and fusing point only depend on.Paraffin is white, translucent, tasteless, and the mixture of the solid composition of odorless, the relative molecular mass of solid carbon hydrogen compound is higher, distillation range 350 ~ 500 DEG C, and boiling point is 350 ~ 550 DEG C, density 0.86 ~ 0.94g/cm3, and molecular weight is 240 ~ 450.
Different according to mode of appearance, paraffin can be divided into whiteruss and solid paraffin.Fusing point is one of topmost quality index of paraffin.Whiteruss fusing point is lower than 27 DEG C, and solid paraffin fusing point is 28 ~ 70 DEG C.The trade mark of solid paraffin divides with fusing point, and the paraffin wax product of China is divided into No. 50, No. 52, No. 54, No. 56, No. 58, No. 60, No. 62, No. 64, No. 66, No. 68 and No. 70 with 2 DEG C, fusing point interval.
Paraffin has the good characteristics such as waterproof, protection against the tide, preventing microorganism and anti-decomposition, hypotoxicity, smell without exception and color, and there is the features such as good stopping property, insulativity, plasticity-, oilness and combustibility, have that moistureproof, antirust, anti-aging, insulation, volatilization prevention are dry, preventing deformation, and the effect such as burning and combustion-supporting, lubrication, bonding, plastotype, purposes is very extensive.At present, being paper product and manufacturing candle, also for aspects such as rubber, match, weaving, waterproof cloth, medicine, school supply and stationery, polishing wax, telecommunication material, wood working, food, casting, antirust and lubrications of large usage quantity.It is pointed out that the result of study of contriver shows, solid paraffin can also be used as Jinsha and the protection of Sanxing Pile unearthed ancient ivory relics, is a kind of historical relic's protection material with important application prospect.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of modified paraffin is provided.
Technical scheme of the present invention is as follows:
A preparation method for modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 50-70min, obtain mixture B;
(3) be melt under the condition of 50-60 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 8-10h, can obtain modified paraffin after cooling.
The preparation method of described a kind of modified paraffin is 100 parts in paraffin, and mixture A is 11-15 part, mixture B is 25-35 part, Sodium dodecylbenzene sulfonate is 0.5-1.5 part, dicumyl peroxide is 3-6 part, and butylated hydroxytoluene is 3-6 part.
The preparation method of described a kind of modified paraffin, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
The preparation method of described a kind of modified paraffin, in dextrin in aqueous solution, the massfraction of dextrin is 15-25%.
The preparation method of described a kind of modified paraffin is 100 parts in epoxy resin, and vinylformic acid is 20-30 part, polyethylene is 20-30 part, silane is 1-4 part.
The preparation method of described a kind of modified paraffin, described vinylformic acid and poly weight ratio are 1:1.
Beneficial effect of the present invention:
Modified paraffin preparation method of the present invention is simple, the cohesiveness of paraffin is improved by adding mixture A, the rustless property of paraffin is improved by adding mixture B, mobility and the erosion resistance of paraffin is improved by adding Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene, the modified paraffin prepared has antirust and anticorrosive function, there is good mobility, can be used for the antirust treatment of steel, bearing, big machinery or pipeline etc.
Embodiment
Embodiment 1
In the present embodiment, a kind of preparation method of modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 70min, obtain mixture B;
(3) be melt under the condition of 50 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 10h, can obtain modified paraffin after cooling.
Further, be 100 parts in paraffin, mixture A is 15 parts, mixture B is 25 parts, Sodium dodecylbenzene sulfonate is 1.5 parts, dicumyl peroxide is 3 parts, butylated hydroxytoluene is 6 parts.
Further, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
Further, in dextrin in aqueous solution, the massfraction of dextrin is 25%.
Further, be 100 parts in epoxy resin, vinylformic acid is 20 parts, polyethylene is 20 parts, silane is 4 parts.
Embodiment 2
In the present embodiment, a kind of preparation method of modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 50min, obtain mixture B;
(3) be melt under the condition of 60 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 8h, can obtain modified paraffin after cooling.
Further, be 100 parts in paraffin, mixture A is 11 parts, mixture B is 35 parts, Sodium dodecylbenzene sulfonate is 0.5 part, dicumyl peroxide is 6 parts, butylated hydroxytoluene is 3 parts.
Further, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
Further, in dextrin in aqueous solution, the massfraction of dextrin is 15%.
Further, be 100 parts in epoxy resin, vinylformic acid is 30 parts, polyethylene is 30 parts, silane is 1 part.
Embodiment 3
In the present embodiment, a kind of preparation method of modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 60min, obtain mixture B;
(3) be melt under the condition of 50-60 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 9h, can obtain modified paraffin after cooling.
Further, be 100 parts in paraffin, mixture A is 13 parts, mixture B is 32 parts, Sodium dodecylbenzene sulfonate is 1.2 parts, dicumyl peroxide is 5 parts, butylated hydroxytoluene is 5 parts.
Further, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
Further, in dextrin in aqueous solution, the massfraction of dextrin is 20%.
Further, be 100 parts in epoxy resin, vinylformic acid is 25 parts, polyethylene is 25 parts, silane is 3 parts.
Embodiment 4
In the present embodiment, a kind of preparation method of modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 60min, obtain mixture B;
(3) be melt under the condition of 60 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 10h, can obtain modified paraffin after cooling.
Further, be 100 parts in paraffin, mixture A is 12 parts, mixture B is 32 parts, Sodium dodecylbenzene sulfonate is 0.8 part, dicumyl peroxide is 4 parts, butylated hydroxytoluene is 4 parts.
Further, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
Further, in dextrin in aqueous solution, the massfraction of dextrin is 22%.
Further, be 100 parts in epoxy resin, vinylformic acid is 22 parts, polyethylene is 22 parts, silane is 1 part.
Embodiment 5
In the present embodiment, a kind of preparation method of modified paraffin, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 60min, obtain mixture B;
(3) be melt under the condition of 55 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 8h, can obtain modified paraffin after cooling.
Further, be 100 parts in paraffin, mixture A is 15 parts, mixture B is 33 parts, Sodium dodecylbenzene sulfonate is 1.4 parts, dicumyl peroxide is 4 parts, butylated hydroxytoluene is 5 parts.
Further, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
Further, in dextrin in aqueous solution, the massfraction of dextrin is 17%.
Further, be 100 parts in epoxy resin, vinylformic acid is 28 parts, polyethylene is 28 parts, silane is 4 parts.
Claims (6)
1. a preparation method for modified paraffin, is characterized in that, comprises following step:
(1) dextrin is prepared into dextrin in aqueous solution, adds Trisodium Citrate, after mixing, obtain mixture A;
(2) by vinylformic acid, polyethylene, silane and epoxy resin at PH be 7-8 condition under, fully react 50-70min, obtain mixture B;
(3) be melt under the condition of 50-60 DEG C in temperature by paraffin; mixture A, mixture B, Sodium dodecylbenzene sulfonate, dicumyl peroxide and butylated hydroxytoluene is added successively under the protection of nitrogen; reaction 8-10h, can obtain modified paraffin after cooling.
2. the preparation method of a kind of modified paraffin according to claim 1, it is characterized in that, it is 100 parts in paraffin, mixture A is 11-15 part, mixture B is 25-35 part, Sodium dodecylbenzene sulfonate is 0.5-1.5 part, dicumyl peroxide is 3-6 part, and butylated hydroxytoluene is 3-6 part.
3. the preparation method of a kind of modified paraffin according to claim 1, is characterized in that, the weight ratio of dextrin in aqueous solution and Trisodium Citrate is 10:1.
4. the preparation method of a kind of modified paraffin according to claim 1 or 3, is characterized in that, in dextrin in aqueous solution, the massfraction of dextrin is 15-25%.
5. the preparation method of a kind of modified paraffin according to claim 1, is characterized in that, is 100 parts in epoxy resin, and vinylformic acid is 20-30 part, polyethylene is 20-30 part, silane is 1-4 part.
6. the preparation method of a kind of modified paraffin according to claim 1, is characterized in that, described vinylformic acid and poly weight ratio are 1:1.
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| CN201410632678.1A CN104371080A (en) | 2014-11-12 | 2014-11-12 | Preparation method of modified paraffin |
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| CN201410632678.1A CN104371080A (en) | 2014-11-12 | 2014-11-12 | Preparation method of modified paraffin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497326A (en) * | 2014-12-09 | 2015-04-08 | 成都摩卡科技有限责任公司 | Preparation method of color-changing anti-fog film |
| CN106009434A (en) * | 2016-06-22 | 2016-10-12 | 安徽格兰富机械设备有限公司 | High-temperature-resistant self-priming pump lining material prepared on basis of fluoroplastics |
| 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 |
| CN112625193A (en) * | 2020-12-31 | 2021-04-09 | 青岛科技大学 | Polar modified vaseline and preparation method thereof |
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| CN102212395A (en) * | 2011-03-24 | 2011-10-12 | 西北工业大学 | Paraffin preprocessing method |
| CN102304286A (en) * | 2011-08-25 | 2012-01-04 | 湖北天神实业股份有限公司 | Modified paraffin wax |
| CN102617809A (en) * | 2012-04-07 | 2012-08-01 | 广东银洋树脂有限公司 | Preparation method and application of modified paraffin capable of being used for spontaneous emulsification |
| CN103044692A (en) * | 2011-10-12 | 2013-04-17 | 赵强 | Method for preparing paraffin from ionic surfactant |
-
2014
- 2014-11-12 CN CN201410632678.1A patent/CN104371080A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212395A (en) * | 2011-03-24 | 2011-10-12 | 西北工业大学 | Paraffin preprocessing method |
| CN102304286A (en) * | 2011-08-25 | 2012-01-04 | 湖北天神实业股份有限公司 | Modified paraffin wax |
| CN103044692A (en) * | 2011-10-12 | 2013-04-17 | 赵强 | Method for preparing paraffin from ionic surfactant |
| CN102617809A (en) * | 2012-04-07 | 2012-08-01 | 广东银洋树脂有限公司 | Preparation method and application of modified paraffin capable of being used for spontaneous emulsification |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497326A (en) * | 2014-12-09 | 2015-04-08 | 成都摩卡科技有限责任公司 | Preparation method of color-changing anti-fog film |
| CN106009434A (en) * | 2016-06-22 | 2016-10-12 | 安徽格兰富机械设备有限公司 | High-temperature-resistant self-priming pump lining material prepared on basis of fluoroplastics |
| 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 |
| CN112625193A (en) * | 2020-12-31 | 2021-04-09 | 青岛科技大学 | Polar modified vaseline and preparation method thereof |
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