CN103012678A - Processing technology of low carbon chain petroleum resin - Google Patents
Processing technology of low carbon chain petroleum resin Download PDFInfo
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- CN103012678A CN103012678A CN 201110289767 CN201110289767A CN103012678A CN 103012678 A CN103012678 A CN 103012678A CN 201110289767 CN201110289767 CN 201110289767 CN 201110289767 A CN201110289767 A CN 201110289767A CN 103012678 A CN103012678 A CN 103012678A
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- petroleum resin
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Abstract
The invention relates to a processing technology of petroleum resin, and in particular relates to a processing technology of low carbon chain petroleum resin. The processing technology has the advantages of low energy consumption, mild condition and high yield. The technical scheme adopted by the invention is as follows: the technology comprises the preparation of a polymerized monomer and the preparation of petroleum resin.
Description
Technical field:
The present invention relates to a kind of complete processing of petroleum resin, more particularly, relate to a kind of complete processing of low carbon chain petroleum resin.
Background technology:
Petroleum resin are to utilize the byproduct alkene of cracking oil or cycloolefin to carry out polymerization or the general name of the resinousness material that forms with copolymerization such as aldehydes, aromatic hydrocarbons, terpene compounds.The characteristics such as petroleum resin have that acid value is low, compatibility good, fusing point is low, water-fast, anti-ethanol and chemicals-resistant.Be dissolved in aliphatic hydrocarbon and chlorinated hydrocarbons, be insoluble to lower alcohol and ketone.Be mainly used in coatings industry, be used for strengthen synthetic latex coating such as petroleum resin emulsion, light colour petroleum resin for the manufacture of Oil varnish to improve gloss and sticking power; Also be used for rubber industry, as softening agent, improve elastomeric hardness with the higher resin of softening temperature with the low resin of softening temperature; Also for the preparation of hot melt adhesive, traffic marker lacquer, printing-ink and paper hydrophobizing agent etc.
C
5Cut is the by product of ethylene producing device, accounts for 10%～14% of ethylene yield.C
5Petroleum resin are exactly with C
5Cut is raw material, through a kind of thermoplastic resin that the explained hereafter such as raw materials pretreatment, polymerization, flash distillation go out, is relative molecular mass between 300～3000 oligopolymer.It has, and acid number is low, and compatibility is good, the characteristic of water-fast, chemicals-resistant, and the chemical stability under acid or alkali environment is good, and the characteristics of regulating stickiness and Heat stability is good are arranged.At present, it is mainly used in the industries such as coating, papermaking, rubber item, printing ink, is the surrogate of natural rosin, coumarone indene resin.
Present stage, C
5The complete processing of petroleum resin mostly condition is harsh, and power consumption is large, and is high to equipment requirements, and yield is lower.
Summary of the invention:
The present invention is exactly for the problems referred to above, and the complete processing of a kind of little, mild condition of consuming energy, low carbon chain petroleum resin that yield is high is provided.
In order to realize above-mentioned purpose of the present invention, the present invention adopts following technical scheme, and processing step is:
1. the preparation of polymerization single polymerization monomer
C
5The composition of cut is very complicated, except containing more than 20 kind of C
5Outside the component, also contain the C of some amount
4And C
6Therefore component, needs first to C
5Cut cuts, to remove C
4And C
6Component; Then, to C
5Component is carried out the Diels-Alder reaction, and is synthetic with ring-type C
10, ring-type C
15And a small amount of ring-type C
20Unsaturated olefin be main cationic polymerization monomer;
2. the preparation of petroleum resin
Before feeding intake, paradigmatic system is replaced with nitrogen, and the cationic polymerization monomer that passes through raw materials pretreatment and thermopolymerization is joined in the polymeric kettle of 2L, adds and contains AlCl
3The catalyzer 0.6～1.2% of component starts and stirs, and pressure setting is 0.3～1.2MPa in the still, be heated to 70～100 ℃, and under this temperature, continue to stir 4～8h, react complete, extrude the raw petroleum resin with nitrogen, just can obtain satisfactory C through alkali cleaning, distillation again
5Petroleum resin.
Beneficial effect of the present invention:
1. the present invention is simple to operate, and it is little to consume energy, and mild condition is beneficial to suitability for industrialized production;
2. the C of the present invention processing
5The yield of petroleum resin products is 90%, and total solid content is 83%, and the bromine valency is lower, and Gardner's colourity is less than 6, and the relative molecular mass dispersion index is 1.81～2.06, and with base material SIS, the SBS compatibility performance is better.
Embodiment:
Processing step of the present invention is:
1. the preparation of polymerization single polymerization monomer
C
5The composition of cut is very complicated, except containing more than 20 kind of C
5Outside the component, also contain the C of some amount
4And C
6Therefore component, needs first to C
5Cut cuts, to remove C
4And C
6Component; Then, to C
5Component is carried out the Diels-Alder reaction, and is synthetic with ring-type C
10, ring-type C
15And a small amount of ring-type C
20Unsaturated olefin be main cationic polymerization monomer;
2. the preparation of petroleum resin
Before feeding intake, paradigmatic system is replaced with nitrogen, and the cationic polymerization monomer that passes through raw materials pretreatment and thermopolymerization is joined in the polymeric kettle of 2L, adds and contains AlCl
3The catalyzer 0.6～1.2% of component starts and stirs, and pressure setting is 0.3～1.2MPa in the still, be heated to 70～100 ℃, and under this temperature, continue to stir 4～8h, react complete, extrude the raw petroleum resin with nitrogen, just can obtain satisfactory C through alkali cleaning, distillation again
5Petroleum resin.
Selecting catalyst consumption of the present invention, temperature of reaction, reaction pressure, reaction times are as affecting C
5The factor of petroleum resin processing effect can see Table 1, table 2, table 3, table 4.
Table 1 catalyst levels is to C
5The impact of petroleum resin processing effect
| Catalyst levels/% | Yield/% | Solid content/% | Viscosity/MPas | Bromine valency/gg -1 |
| 0.6 | 67.5 | 61.91 | 12.5 | 1.0930 |
| 0.7 | 68.1 | 62.36 | 14.7 | 1.0666 |
| 0.8 | 73.9 | 66.66 | 70.5 | 0.8930 |
| 0.9 | 78.3 | 72.76 | 648.0 | 0.6182 |
| 1.0 | 89.2 | 79.84 | 8520.0 | 0.4080 |
| 1.1 | 90.6 | 83.34 | 1194.0 | 0.1171 |
| 1.2 | 91.3 | 85.34 | 3085.0 | 0.1019 |
Table 2 temperature of reaction is to C
5The impact of petroleum resin processing effect
| Temperature of reaction/℃ | Yield/% | Solid content/% | Viscosity/MPas | Bromine valency/gg -1 |
| 70 | 79.3 | 73.54 | 860 | 0.7958 |
| 80 | 82.5 | 74.35 | 1156 | 0.6224 |
| 90 | 87.1 | 77.06 | 3100 | 0.4320 |
| 100 | 89.0 | 79.58 | 7956 | 0.3908 |
Table 3 reaction times is to C
5The impact of petroleum resin processing effect
| Reaction times/h | Yield/% | Solid content/% | Viscosity/MPas | Bromine valency/gg -1 |
| 4 | 72.8 | 65.67 | 49.1 | 0.6824 |
| 5 | 73.5 | 66.33 | 62.4 | 0.5858 |
| 6 | 75.2 | 71.08 | 351.8 | 0.4320 |
| 7 | 87.3 | 77.06 | 3100.0 | 0.4208 |
| 8 | 88.7 | 79.33 | 7070.0 | 0.3245 |
Table 4 reaction pressure is to C
5The impact of petroleum resin processing effect
| Reaction pressure/MPa | Yield/% | Solid content/% | Viscosity/MPas | Bromine valency/gg -1 |
| 0.3 | 73.9 | 68.82 | 154.5 | 0.6163 |
| 0.6 | 85.5 | 76.82 | 2835.0 | 0.4374 |
| 0.9 | 90.6 | 83.34 | 1194.0 | 0.1171 |
| 1.2 | 91.3 | 85.34 | 3085.0 | 0.1019 |
As a kind of preferred version, processing step of the present invention is: catalyst levels is 1.1%; Temperature of reaction is 90 ℃, and the reaction times is 7h, reaction pressure position 0.9MPa.
Should strictly control the water content of polymerization single polymerization monomer in the course of processing, this is because the existence of water has caused the generation of following reaction:
(1) minor amount of water that exists in the reaction system belongs to coinitiator, and itself and main initiator aluminum chloride react, and generates initiator-coinitiator complex compound;
When (2) excessive water existed, initiator-coinitiator complex compound and water further reacted, and caused the polymerization activity of positive ion to reduce;
(3) in the situation that excessive water exists, carbonium ion and water molecules generation termination reaction.
As seen, water is at C
5Played promoting catalysis in the cationic polymerization reaction of petroleum resin, so a certain amount of water is favourable to polyreaction, excessive water can cause catalyst deactivation, and therefore, selective polymerization monomer water content is that 400～500mg/L is more suitable.
Claims (3)
1. the complete processing of low carbon chain petroleum resin is characterized in that, the present invention adopts following technical scheme, and processing step is:
(1) preparation of polymerization single polymerization monomer
C
5The composition of cut is very complicated, except containing more than 20 kind of C
5Outside the component, also contain the C of some amount
4And C
6Therefore component, needs first to C
5Cut cuts, to remove C
4And C
6Component; Then, to C
5Component is carried out the Diels-Alder reaction, and is synthetic with ring-type C
10, ring-type C
15And a small amount of ring-type C
20Unsaturated olefin be main cationic polymerization monomer;
(2) preparation of petroleum resin
Before feeding intake, paradigmatic system is replaced with nitrogen, and the cationic polymerization monomer that passes through raw materials pretreatment and thermopolymerization is joined in the polymeric kettle of 2L, adds and contains AlCl
3The catalyzer 0.6～1.2% of component starts and stirs, and pressure setting is 0.3～1.2MPa in the still, be heated to 70～100 ℃, and under this temperature, continue to stir 4～8h, react complete, extrude the raw petroleum resin with nitrogen, just can obtain satisfactory C through alkali cleaning, distillation again
5Petroleum resin.
2. the complete processing of a kind of low carbon chain petroleum resin according to claim 1 is characterized in that, processing step of the present invention is: catalyst levels is 1.1%.
3. the complete processing of a kind of low carbon chain petroleum resin according to claim 1 is characterized in that, processing step of the present invention is: temperature of reaction is 90 ℃, and the reaction times is 7h, reaction pressure position 0.9MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110289767 CN103012678A (en) | 2011-09-28 | 2011-09-28 | Processing technology of low carbon chain petroleum resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110289767 CN103012678A (en) | 2011-09-28 | 2011-09-28 | Processing technology of low carbon chain petroleum resin |
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| Publication Number | Publication Date |
|---|---|
| CN103012678A true CN103012678A (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110289767 Pending CN103012678A (en) | 2011-09-28 | 2011-09-28 | Processing technology of low carbon chain petroleum resin |
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| CN (1) | CN103012678A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008818A (en) * | 2016-06-26 | 2016-10-12 | 广西众昌树脂有限公司 | Preparation method of petroleum resin |
| CN109337012A (en) * | 2018-08-31 | 2019-02-15 | 恒河材料科技股份有限公司 | A kind of preparation method of phenol modified copolymer Petropols |
-
2011
- 2011-09-28 CN CN 201110289767 patent/CN103012678A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008818A (en) * | 2016-06-26 | 2016-10-12 | 广西众昌树脂有限公司 | Preparation method of petroleum resin |
| CN109337012A (en) * | 2018-08-31 | 2019-02-15 | 恒河材料科技股份有限公司 | A kind of preparation method of phenol modified copolymer Petropols |
| CN109337012B (en) * | 2018-08-31 | 2021-07-09 | 恒河材料科技股份有限公司 | Preparation method of phenol modified copolymerized petroleum resin |
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Application publication date: 20130403 |