CN101082000A - Polyethylene wax polypropylene wax and petroleum wax co-oxidation method - Google Patents
Polyethylene wax polypropylene wax and petroleum wax co-oxidation method Download PDFInfo
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- CN101082000A CN101082000A CN 200710041734 CN200710041734A CN101082000A CN 101082000 A CN101082000 A CN 101082000A CN 200710041734 CN200710041734 CN 200710041734 CN 200710041734 A CN200710041734 A CN 200710041734A CN 101082000 A CN101082000 A CN 101082000A
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Abstract
The present invention is process of co-oxidizing polyethylene wax, polypropylene wax and petroleum wax, and features that polyethylene wax, polypropylene wax and petroleum wax are co-oxidized with oxygen, air or oxygen containing gas in the presence of catalyst. The co-oxidizing process includes the following steps: heating to melt the material including at least two of polyethylene wax, polypropylene wax and petroleum wax in a material tank; adding catalyst slowly while stirring for homogeneous mixing; setting the material mixture with catalyst into pre-heated reactor; introducing oxygen, air or oxygen containing gas with a compressor to the reactor for co-oxidizing; taking out the reaction resultant, filtering, shaping and measuring product performance. The co-oxidized product has high hardness, excellent emulsifying performance and high glossiness.
Description
Technical field
The present invention relates to the method for a kind of polyethylene wax Poly Propylene Wax and petroleum wax co-oxidation, belong to the synthetic wax oxidation
Technical field.
Background technology
Polyethylene wax is a low molecular weight polyethylene.Be characterized in softening temperature higher (105 ℃), melt viscosity then approaches paraffin.As lubricant, its chemical property is stable, electrical property is good.Polyethylene wax and polyethylene, polypropylene, Vinyl Acetate Copolymer, ethylene-propylene rubber(EPR), isoprene-isobutylene rubber intermiscibility are good.Can improve the release property of the flowability of polyethylene, polypropylene, ABS and polymethylmethacrylate, polycarbonate.Compare with PVC and other exterior lubricant, polyethylene wax has stronger internal lubrication effect.In addition, also can be used for printing ink, paper, concentrated masterbatch, mulch film and candle etc.Also can be used for paint and hot melt adhesive, binding agent etc.
Polyethylene wax is after oxidation, aspects such as its emulsifying property, oilness, oil soluble all can improve significantly, in textile industry, has purposes widely, can be used for preparing the high quality textile auxiliary agent, as water repellent finishing agent, softening agent, sizing afterwaxing, fabric gloss finish agent, spin bath additive, scrooping finiss agent and smooth agent or the like, but the price of polyethylene wax is higher.
Have a certain amount of hydroxyl on the oxidized polyethlene wax molecular chain, the intermiscibility of they and polar resin just significantly improves, and is better than polyethylene wax.With materials such as rubber, plastics, paraffin good intermiscibility is arranged.The inside and outside lubrication of PVC is compared balance; In hard transparent PVC prescription, add its oilness of oxidized polyethlene wax and be better than other lubricant, acid number greater than 13 can emulsification.
But, have degradation shortcoming under hardness reduction, the glossiness after the independent oxidized polyethlene wax oxidation.
The softening temperature of Poly Propylene Wax is apparently higher than polyethylene wax, has premium propertiess such as high rigidity, high tenacity, oilness, wet fastness and grease resistance and melt viscosity range of choice be wide, and high-crystallinity makes it to have remarkable brightness and glossiness.
Poly Propylene Wax is after oxidation, aspects such as its emulsifying property, oilness, oil soluble also can improve significantly, in textile industry, has purposes widely, can be used for preparing the high quality textile auxiliary agent, as water repellent finishing agent, softening agent, sizing afterwaxing, fabric gloss finish agent, spin bath additive, scrooping finiss agent and smooth agent or the like, the price of same Poly Propylene Wax is also higher.
But after the independent Poly Propylene Wax oxidation, its emulsifying property need add more emulsifying agent if obtain stable polypropylene wax emulsion, thereby can influence the use properties of its emulsion not as good as oxidized polyethlene wax.
And after the paraffin oxidation, aspects such as its emulsifying property, oilness, oil soluble also improve significantly, but because paraffin melting point is low, hardness is little, viscosity is big, so be restricted in many Application Areass.
Ke Laisi company limited discloses a kind of method of oxidized polyethlene wax, and its publication number is CN 1206719A.Its raw material is pure polyethylene wax.The oxidation of polyethylene wax is undertaken by the monobasic or the polycarboxylic acid that add the acid of people's monobasic or multi-element, inorganic or have 1-6 or a 2-6 carbon atom.This method product can obtain having the wax of low melt viscosity and light colour.
Germany BASF AG discloses a kind of method of metallocene-polyolefin waxes of oxidation, and its publication number is CN1130385C.The oxidized petroleum waves that the polyolefine that it is 1000-40000 that this invention relates to a kind of molecular weight that obtains with the metallocene catalysis reaction by oxidation makes.
All there are shortcomings such as hardness is less, softening temperature is low in the oxidized polyethlene wax that two kinds of above-mentioned patents obtain.
Summary of the invention
The purpose of this invention is to provide a kind of hardness is big, emulsifying property is good, glossiness the is good polyethylene wax Poly Propylene Wax and the method for petroleum wax co-oxidation.
For realizing above purpose, technical scheme of the present invention provides the method for a kind of polyethylene wax Poly Propylene Wax and petroleum wax co-oxidation, it is characterized in that, the catalyzer that adopts, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, the working order of oxidising process is as follows with oxygen, air or oxygen-containing gas:
(1) at least two kinds of raw materials are put into head tank and heat fused among polyethylene wax 50%-100%, Poly Propylene Wax 0-40% and the petroleum wax 0-10%;
(2) when raw material dissolves the back and reaches 100 ℃-130 ℃, slowly add catalyzer, heat while stirring, till mixing;
(3) raw material that has added catalyzer is added in the reactor that is preheated to 140 ℃-160 ℃;
(4) start compressor, oxygen, air or oxygen-containing gas squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, regulate air flow quantity and be the 0.5-30 cubic meter/hour, oxidizing temperature is 105-190 ℃;
(5) reaction reduces temperature of reaction to 100 ℃-130 ℃ ℃ after 1 hour-30 hours, closes water coolant and compressor then;
(6) take out reactant from reactor, filtration, moulding are also measured product performance.
Described catalyzer is KMnO
4
Polyethylene wax of the present invention (Polyethylene Wax is called for short PEW) is a low molecular weight polyethylene, and molecular weight claims low molecular weight polyethylene again between 500～10000.105 ℃ of softening temperatures, penetration degree is less than 5 (1/10mm), density 0.95g/cm
3, acid number is less than 0.1mgKOH/g, and its source mainly contains following three approach:
1) ethylene catalyst polymerization;
2) thermal destruction of High molecular weight polyethylene;
3) byproduct of polyethylene device.
Poly Propylene Wax of the present invention is meant the Poly Propylene Wax that cracking process and polymerization obtain.Its softening temperature is greater than 140 ℃.Its molecular weight is from 200-20000, and suitable Poly Propylene Wax molecular weight is at 1000-8000, and optimum molecular weight ranges is 2000-6000.The softening temperature of Poly Propylene Wax is apparently higher than polyethylene wax, premium properties such as have high rigidity, the toughness oilness is good, wet fastness is good and the melt viscosity range of choice is wide, and high-crystallinity makes it to have remarkable brightness and glossiness.Poly Propylene Wax can be used for pigment dispersing agent, plastics additive, hot melt adhesive, easer, paper conversion auxiliary agent, rubber processing aids of paraffin modification agent, Masterbatch etc.
Petroleum wax of the present invention can be classified by several different methods.Main sorting technique has fusing point classification, oleaginousness classification, purpose classification method and color classification method etc.
The basis of fusing point classification is the fusing point of petroleum wax.Fusing point is lower than 45 ℃ petroleum wax and is called soft wax.Fusing point is between 45～60 ℃, and the petroleum wax that 25 ℃ of penetration degree is lower than 20 (0.1mm) is called hard wax.China's full refining wax, semi-refined wax, scale wax all belong to the hard wax category, and its main trade mark has No. 52, No. 54, No. 56, No. 58, No. 60, No. 62, No. 64, No. 66, No. 68 and No. 70 etc.
According to the refining degree of petroleum wax, petroleum wax can be divided into scale wax, semi-refined wax, full refining wax and food wax.Refining degree is dark more, and its color is shallow more, and quality product is good more, but production cost is high more.
According to the mode of appearance of petroleum wax, petroleum wax can be divided into liquid wax and solid wax.
According to the height of petroleum wax oleaginousness, paraffin wax fully refined is divided into top grade product and first grade.In general, oleaginousness is called gatch greater than 6% petroleum wax.
The present invention adopts the method for polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, solves the reduction of oxygenated products hardness, the relatively poor difficult problem of emulsifying property.It is higher to have hardness after the Poly Propylene Wax oxidation, and emulsifying property is better after the petroleum wax oxidation, so will bring into play the advantage of raw material separately behind polyethylene wax, Poly Propylene Wax and the petroleum wax co-oxidation, thus can prepare the hardness height, emulsifying property is good and gloss oxygenated products preferably.
The advantage hardness of oxygenated products of the present invention is big, emulsifying property is good, glossiness good.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
Select the JW5520 type polyethylene wax of Shanghai Joule Wax Industry Co.,Ltd's export trade for use, its molecular weight is 2000-4000, and softening temperature is 105 ℃, (25 ℃ of penetration degrees, 100g) 3, carry out modification with Poly Propylene Wax, used Poly Propylene Wax is the Poly Propylene Wax of import Korea S 1152 trades mark, and molecular weight is 4000-6000, softening temperature is 142 ℃, penetration degree (25 ℃, 100g) 0.1, No. 58 petroleum waxes that used petroleum wax is produced for factory of shanghai refinery.
Its prescription is:
JW5520 polyethylene wax 60%
Korea S's 1152 Poly Propylene Waxes 30%
No. 58 waxes 10% of factory of shanghai refinery
(1) polyethylene wax, Poly Propylene Wax and petroleum wax are put into head tank and heat fused;
(2) when raw material dissolves the back and reaches 100 ℃-130 ℃, slowly add catalyzer, heat while stirring, till mixing;
(3) raw material that has added catalyzer is added in the reactor that is preheated to 140 ℃-160 ℃;
(4) start compressor, oxygen, air or oxygen-containing gas are squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, regulating air flow quantity is 7 cubic metres/hour, and oxidizing temperature is 105-160 ℃;
(5) reaction reduces temperature of reaction to 100 ℃-130 ℃, close compressor then after 9 hours;
(6) take out reactant from reactor, filtration, moulding are also measured product performance.
The oxygenated products performance is
Softening temperature, ℃ 139 ℃
Penetration degree, 25 ℃, 100g 0.5
Acid number, mgKOHg
-120.6
Saponification value, mgKOHg
-145.8
Impurity, % is less than 0.1
Embodiment 2
Select the JW5520 type polyethylene wax of Shanghai Joule Wax Industry Co.,Ltd's export trade for use, its molecular weight is 2000-4000, and softening temperature is 105 ℃, penetration degree (25 ℃, 100g) 3.No. 58 petroleum waxes that used petroleum wax is produced for factory of shanghai refinery.
Its prescription is:
JW5520 polyethylene wax 90%
Korea S's 1152 Poly Propylene Waxes 0%
No. 58 waxes 10 of factory of shanghai refinery
(1) weighs up various raw materials and put into the head tank heat fused according to aforementioned proportion.
(2) when raw material dissolves the back and reaches 100 ℃-130 ℃, slowly add catalyzer, heat while stirring, till mixing;
(3) start compressor, oxygen, air or oxygen-containing gas are squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, regulating air flow quantity is 8 cubic metres/hour, and oxidizing temperature is 105-160 ℃;
(4) reaction reduces temperature of reaction to 100 ℃-130 ℃, close compressor then after 6 hours;
(5) emit reactant in the reactor, filtration, moulding are also measured product performance.
The oxygenated products performance is:
Softening temperature, ℃ 98 ℃
Penetration degree, 25 ℃, 100g 7.8
Acid number, mgKOHg
-129.6
Saponification value, mgKOHg
-156.8
Impurity, % is less than 0.1
Embodiment 3
Select the JW5520 type polyethylene wax of Shanghai Joule Wax Industry Co.,Ltd's export trade for use, its molecular weight is 2000-4000, and softening temperature is 105 ℃, (25 ℃ of penetration degrees, 100g) 3, carry out modification with Poly Propylene Wax, used Poly Propylene Wax is the Poly Propylene Wax of import Korea S 1152 trades mark, and molecular weight is 4000-6000, softening temperature is 142 ℃, penetration degree (25 ℃, 100g) 0.1, No. 58 petroleum waxes that used petroleum wax is produced for factory of shanghai refinery.
Its prescription is:
JW5520 polyethylene wax 50%
Korea S's 1152 Poly Propylene Waxes 40%
No. 58 waxes 10 of factory of shanghai refinery
(1) weighs up various raw materials and put into the head tank heat fused according to aforementioned proportion.
(2) when raw material dissolves the back and reaches 100 ℃-130 ℃, slowly add catalyzer, heat while stirring, till mixing;
(3) start compressor, oxygen, air or oxygen-containing gas are squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, regulating air flow quantity is 6 cubic metres/hour, and oxidizing temperature is 105-160 ℃;
(4) reaction reduces temperature of reaction to 100 ℃-130 ℃, close compressor after 6 hours;
(5) emit reactant in the reactor, filtration, moulding are also measured product performance.
The oxygenated products performance is:
Softening temperature, ℃ 145 ℃
Penetration degree, 25 ℃, 100g 0.2
Acid number, mgKOHg
-118.7
Saponification value, mgKOHg
-139.8
Impurity, % is less than 0.1
Embodiment 4
Select the JW5520 type polyethylene wax of Shanghai Joule Wax Industry Co.,Ltd's export trade for use, its molecular weight is 2000-4000, and softening temperature is 105 ℃, penetration degree (25 ℃, 100g) 3.
Its prescription is:
JW5520 polyethylene wax 100%
Korea S's 1152 Poly Propylene Waxes 0%
No. 58 waxes 0% of factory of shanghai refinery
(1) weighs up various raw materials and put into the head tank heat fused according to aforementioned proportion.
(2) when raw material melts the back and reaches 120-130 ℃, slowly add catalyzer, heat while stirring, till mixing.
(3) raw material that has added catalyzer is added in the reactor that is preheated to 140 ℃-160 ℃;
(4) start compressor, oxygen, air or oxygen-containing gas are squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, per hour regulate air flow quantity and be 6 cubic metres, oxidizing temperature is 105-160 ℃;
(5) reaction reduces temperature of reaction to 100 ℃-130 ℃, close compressor then after 6 hours;
(6) emit reactant in the reactor, filtration, moulding are also measured product performance.
The oxygenated products performance is:
Softening temperature, ℃ 101 ℃
Penetration degree, 25 ℃, 100g 5.5
Acid number, mgKOHg
-115.6
Saponification value, mgKOHg
-139.8
Impurity, % is less than 0.1
Claims (2)
1. the method for polyethylene wax Poly Propylene Wax and petroleum wax co-oxidation is characterized in that, the catalyzer of employing, and to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, the working order of oxidising process is as follows with oxygen, air or oxygen-containing gas:
(1) at least two kinds of raw materials are put into head tank and heat fused among polyethylene wax 50%-100%, Poly Propylene Wax 0-40% and the petroleum wax 0-10%;
(2) when raw material dissolves the back and reaches 100 ℃-130 ℃, slowly add catalyzer, heat while stirring, till mixing;
(3) raw material that has added catalyzer is added in the reactor that is preheated to 140 ℃-160 ℃;
(4) start compressor, oxygen, air or oxygen-containing gas are squeezed in the reactor, to polyethylene wax, Poly Propylene Wax and petroleum wax co-oxidation, per hour regulate air flow quantity and be the 1-30 cubic meter, oxidizing temperature is 105-160 ℃;
(5) reaction reduces temperature of reaction to 100 ℃-130 ℃, close compressor then after 0.5 hour-50 hours;
(6) take out reactant from reactor, filtration, moulding are also measured product performance.
2. the method for a kind of polyethylene wax Poly Propylene Wax according to claim 1 and petroleum wax co-oxidation is characterized in that described catalyzer is KMnO
4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710041734 CN101082000A (en) | 2007-06-07 | 2007-06-07 | Polyethylene wax polypropylene wax and petroleum wax co-oxidation method |
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| CN 200710041734 CN101082000A (en) | 2007-06-07 | 2007-06-07 | Polyethylene wax polypropylene wax and petroleum wax co-oxidation method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517158A (en) * | 2011-11-18 | 2012-06-27 | 宁波旷世居家用品有限公司 | Snowflake candle with alpha-olefin polymer and preparation method thereof |
| CN103910814A (en) * | 2013-11-28 | 2014-07-09 | 大连隆星新材料有限公司 | Oxidation device for polyethylene wax |
| CN104593072A (en) * | 2013-11-04 | 2015-05-06 | 中国石油化工股份有限公司 | Preparation process for oxidized paraffin |
| CN105087068A (en) * | 2015-09-14 | 2015-11-25 | 江苏朗孚石化有限公司 | Process for preparing oxidized wax from coal wax |
| CN106675042A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | Metallized film capacitor encapsulation wax |
| CN106675043A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | High-performance insulating metalized film capacitor encapsulating wax |
| CN109206904A (en) * | 2018-08-24 | 2019-01-15 | 江苏金橡塑新材料有限公司 | A kind of preparation method of synthetic wax |
| CN109749782A (en) * | 2019-01-28 | 2019-05-14 | 青岛伊莱新材料有限公司 | Aoxidize compound chloroflo continuous production technology |
| CN109867738A (en) * | 2018-12-31 | 2019-06-11 | 扬州罗兰新材料有限公司 | A kind of preparation method of coating oxidic polyethylene high polymer wax |
| CN111378505A (en) * | 2018-12-31 | 2020-07-07 | 中国石油化工股份有限公司 | Oxidation method of petroleum wax |
| CN113996255A (en) * | 2021-10-26 | 2022-02-01 | 许昌学院 | Thermal response slow-release capsule, preparation method thereof, composite fiber and fabric |
| CN114456608A (en) * | 2020-11-08 | 2022-05-10 | 衡水毅美新材料科技有限公司 | Lubricant for hard PVC extrusion processing and preparation method thereof |
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2007
- 2007-06-07 CN CN 200710041734 patent/CN101082000A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517158A (en) * | 2011-11-18 | 2012-06-27 | 宁波旷世居家用品有限公司 | Snowflake candle with alpha-olefin polymer and preparation method thereof |
| CN104593072A (en) * | 2013-11-04 | 2015-05-06 | 中国石油化工股份有限公司 | Preparation process for oxidized paraffin |
| CN104593072B (en) * | 2013-11-04 | 2016-02-10 | 中国石油化工股份有限公司 | A kind of processing method preparing oxidized petroleum wax |
| CN103910814A (en) * | 2013-11-28 | 2014-07-09 | 大连隆星新材料有限公司 | Oxidation device for polyethylene wax |
| CN105087068A (en) * | 2015-09-14 | 2015-11-25 | 江苏朗孚石化有限公司 | Process for preparing oxidized wax from coal wax |
| CN105087068B (en) * | 2015-09-14 | 2018-01-30 | 江苏朗孚石化有限公司 | A kind of method of the waxed standby oxidized wax of coal |
| CN106675042A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | Metallized film capacitor encapsulation wax |
| CN106675043A (en) * | 2016-12-10 | 2017-05-17 | 宁国市大荣电器有限公司 | High-performance insulating metalized film capacitor encapsulating wax |
| CN109206904A (en) * | 2018-08-24 | 2019-01-15 | 江苏金橡塑新材料有限公司 | A kind of preparation method of synthetic wax |
| CN109206904B (en) * | 2018-08-24 | 2020-10-16 | 江苏金橡塑新材料有限公司 | Preparation method of synthetic wax |
| CN109867738A (en) * | 2018-12-31 | 2019-06-11 | 扬州罗兰新材料有限公司 | A kind of preparation method of coating oxidic polyethylene high polymer wax |
| CN111378505A (en) * | 2018-12-31 | 2020-07-07 | 中国石油化工股份有限公司 | Oxidation method of petroleum wax |
| CN111378505B (en) * | 2018-12-31 | 2024-05-07 | 中国石油化工股份有限公司 | Oxidation method of petroleum wax |
| CN109749782A (en) * | 2019-01-28 | 2019-05-14 | 青岛伊莱新材料有限公司 | Aoxidize compound chloroflo continuous production technology |
| CN109749782B (en) * | 2019-01-28 | 2021-04-06 | 青岛伊莱新材料有限公司 | Continuous production process of oxidized composite hydrocarbon wax |
| CN114456608A (en) * | 2020-11-08 | 2022-05-10 | 衡水毅美新材料科技有限公司 | Lubricant for hard PVC extrusion processing and preparation method thereof |
| CN113996255A (en) * | 2021-10-26 | 2022-02-01 | 许昌学院 | Thermal response slow-release capsule, preparation method thereof, composite fiber and fabric |
| CN113996255B (en) * | 2021-10-26 | 2023-03-21 | 许昌学院 | Thermal response slow-release capsule, preparation method thereof, composite fiber and fabric |
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