CN103183784A - High pressure glass fiber reinforced plastic pipeline resin used for oil fields - Google Patents
High pressure glass fiber reinforced plastic pipeline resin used for oil fields Download PDFInfo
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- CN103183784A CN103183784A CN2011104515573A CN201110451557A CN103183784A CN 103183784 A CN103183784 A CN 103183784A CN 2011104515573 A CN2011104515573 A CN 2011104515573A CN 201110451557 A CN201110451557 A CN 201110451557A CN 103183784 A CN103183784 A CN 103183784A
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- oil field
- fiberglass pipe
- pipe resin
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- pressure fiberglass
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Abstract
The invention relates to high pressure glass fiber reinforced plastic pipeline resin used for oil fields, which is characterized in that the resin comprises the following components by weight: 25-40% of styrene; 0.005-0.02% of a polymerization inhibitor; 0.01-0.05% of an accelerator; and the balance of polyester. The product of the invention has the characteristics of high temperature resistance, high elongation at break, good corrosion resistance, good matching with glass fibers, and good impregnation property, and can give full play to the high strength of glass fibers; the prepared glass fiber reinforced plastic pipeline can resist temperature of more than 100 DEG C, resist pressure of 16-25 Mpa, can be coiled like a plastic pipe, and can meet requirements for oil field high pressure pipelines.
Description
[technical field]
The present invention relates to the resin technology field, specifically, is a kind of oil field high-pressure fiberglass pipe resin.
[background technology]
Unsaturated polyester resin is a kind of of industrial chemicals, as an important kind in the synthetic resins, development is rapid, and its goods have spreaded all over the national economy every field, as construction work, electric works, communications and transportation, aerospace, chemical industry, daily necessities and artwork etc.And the fiber reinforced plastic pipe that is used for building, public works, communications and transportation, petroleum industry is exactly one of them important kind, and it has following advantage: the favorable mechanical physicals, in light weight, intensity is high, easy for installation; The 4-5 that Corrosion Protection is good, long service life is the steel pipe life-span doubly; Inner wall smooth, air flowability are good, the operation and maintenance cost of non-scaling, reduction pipeline; Good insulating, there is not secondary pollution; High temperature resistant, normal working temperature can reach 100 ℃, satisfies the requirement of oil field oil-extracting and water-injecting technology fully, because fiber reinforced plastic pipe has so many advantage that its consumption is constantly increased.And generally be rigidity with the fiber reinforced plastic pipe of unsaturated polyester resin production, inflexibility, major part be embedded in underground, working pressure is generally at 10 below the normal atmosphere, developed a kind of high-pressure fiberglass pipe resin that can be used for the field, oil field recently at this situation our company, this resin good toughness, intensity height, the pipeline of making can be folded as plastics tubing, high pressure resistant again, very easy to use.
At present, the unsaturated polyester resin product has developed into one of kind maximum in the thermosetting resin industry.For general use, the unsaturated polyester resin contribution that acquires a special sense.In future, unsaturated polyester resin also can also will make the resins for universal use cost degradation simultaneously to some field development that special purpose is arranged.
Chinese patent application numbers 200910052765.9 relates to high-tenacity self-dried hand-feeling unsaturated polyester resin and preparation method thereof, formed by the high hydroxyl telechelic polyester dibasic alcohol of modification and isocyanate reaction, curing system solidifies, the high hydroxyl telechelic polyester dibasic alcohol of modification is by dibasic alcohol and diprotic acid or acid anhydrides polycondensation, through the allyl ethers modification, the linking agent dilution forms, the mol ratio of polyester diol and isocyanic ester is 1: 0.2～0.3, the consumption of dibasic alcohol is 22～30% of total mass, the mol ratio of dibasic alcohol and diprotic acid or acid anhydrides is 1.15～1.25: 1, in diprotic acid or the acid anhydrides, the mol ratio of monounsaturated dicarboxylic acid or acid anhydrides and unsaturated dibasic acid is 1.15～1.3: 1, allyl ethers is trimethylolpropane allyl ether, and consumption is 6～10% of total mass; Advantage is: selecting for use to increase flexible pure and mild acid, and adding allyl ethers increases grinability and air-drying property, by screening, selects the polymethylene polyisocyanates as isocyanic ester, and the feel resin that synthesizes by dual cure systems is suitable as coating.
[summary of the invention]
The objective of the invention is to overcome the deficiencies in the prior art, a kind of oil field high-pressure fiberglass pipe resin is provided.
The objective of the invention is to be achieved through the following technical solutions:
A kind of oil field high-pressure fiberglass pipe resin, its weight percent be,
Vinylbenzene: 25～40%
Stopper: 0.005～0.02%
Accelerator: 0.01～0.05%
Polyester: surplus
Described polyester is specially polymkeric substance, and its structural formula is:
G representative in the formula: Diethylene Glycol, dipropylene glycol;
P representative: m-phthalic acid, hexanodioic acid, cis-butenedioic anhydride;
X, Y represent the polymerization degree;
Described stopper is quinhydrones, toluhydroquinone or tert-butyl catechol;
A kind of oil field is characterized in that with the preparation method of high-pressure fiberglass pipe resin, by dibasic alcohol and diprotic acid through 210～220 ℃ of pyroreactions, the esterification dehydration, the polyester that generates mixes with vinylbenzene again, adds stopper and accelerator again, namely gets required oil field high-pressure fiberglass pipe resin.
Wherein, dibasic alcohol (Diethylene Glycol, dipropylene glycol) is 1.03～1.15: 1 with diprotic acid (m-phthalic acid, hexanodioic acid, cis-butenedioic anhydride) mol ratio;
The mol ratio of m-phthalic acid, hexanodioic acid and cis-butenedioic anhydride is 1.5～3.5: 1: 1;
M-phthalic acid in the diprotic acid and the mol ratio of hexanodioic acid are 1.0～1.5: 1;
Diethylene Glycol and dipropylene glycol account for 25.0～45.0% of total amount;
Compared with prior art, positively effect of the present invention is:
That product of the present invention has is high temperature resistant, elongation at break is high, the characteristics of good corrosion resistance, good with the glass fibre matching, dipping property is good, can give full play to the high strength of glass fibre, the fiber reinforced plastic pipe of making, heatproof is more than 100 ℃, carrying capacity 16～25Mpa, the pipeline of making can be folded as plastics tubing, can satisfy the requirement of oil field pressure piping.
[embodiment]
The embodiment of a kind of oil field of the present invention with the high-pressure fiberglass pipe resin below is provided.
Embodiment 1
A kind of oil field high-pressure fiberglass pipe resin, its weight percent be,
Vinylbenzene: 25%
Stopper: 0.005%
Accelerator: 0.01%
Polyester: 74.985%
A kind of oil field preparation method of high-pressure fiberglass pipe resin, it is characterized in that, by Diethylene Glycol, dipropylene glycol and m-phthalic acid, hexanodioic acid, cis-butenedioic anhydride through 210～220 ℃ of pyroreactions, the esterification dehydration, the polyester that generates mixes with vinylbenzene again, add stopper and accelerator again, namely get required oil field high-pressure fiberglass pipe resin.
Embodiment 2
A kind of oil field high-pressure fiberglass pipe resin, its weight percent be,
Vinylbenzene: 30%
Stopper: 0.015%
Accelerator: 0.02%
Polyester: 69.965%
A kind of oil field preparation method of high-pressure fiberglass pipe resin, it is characterized in that, by Diethylene Glycol, dipropylene glycol and m-phthalic acid, hexanodioic acid, cis-butenedioic anhydride through 210～220 ℃ of pyroreactions, the esterification dehydration, the polyester that generates mixes with vinylbenzene again, add stopper and accelerator again, namely get required oil field high-pressure fiberglass pipe resin.
Embodiment 3
A kind of oil field high-pressure fiberglass pipe resin, its weight percent be,
Vinylbenzene: 40%
Stopper: 0.02%
Accelerator: 0.05%
Polyester: 59.93%
A kind of oil field preparation method of high-pressure fiberglass pipe resin, it is characterized in that, by Diethylene Glycol, dipropylene glycol and m-phthalic acid, hexanodioic acid, cis-butenedioic anhydride through 210～220 ℃ of pyroreactions, the esterification dehydration, the polyester that generates mixes with vinylbenzene again, add stopper and accelerator again, namely get required oil field high-pressure fiberglass pipe resin.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (9)
1. an oil field high-pressure fiberglass pipe resin is characterized in that, its weight percentages is,
Vinylbenzene: 25～40%
Stopper: 0.005～0.02%
Accelerator: 0.01～0.05%
Polyester: surplus.
2. a kind of oil field as claimed in claim 1 high-pressure fiberglass pipe resin is characterized in that described stopper is quinhydrones, toluhydroquinone or tert-butyl catechol.
3. a kind of oil field as claimed in claim 1 high-pressure fiberglass pipe resin is characterized in that described accelerator is N, accelerine or N, N-Diethyl Aniline.
4. a kind of oil field as claimed in claim 1 high-pressure fiberglass pipe resin is characterized in that, its weight percentages is,
Vinylbenzene: 30%
Stopper: 0.015%
Accelerator: 0.02%
Polyester: 69.965%.
5. a kind of oil field as claimed in claim 1 is with the preparation method of high-pressure fiberglass pipe resin, it is characterized in that, concrete steps are, by dibasic alcohol and diprotic acid through 210～220 ℃ of pyroreactions, the esterification dehydration, the polyester that generates mixes with vinylbenzene again, adds stopper and accelerator again, namely gets required oil field high-pressure fiberglass pipe resin.
6. a kind of oil field as claimed in claim 5 is characterized in that with the preparation method of high-pressure fiberglass pipe resin described dibasic alcohol is Diethylene Glycol and dipropylene glycol; Described diprotic acid is m-phthalic acid, hexanodioic acid and cis-butenedioic anhydride.
7. a kind of oil field as claimed in claim 5 is characterized in that with the preparation method of high-pressure fiberglass pipe resin the mol ratio of described dibasic alcohol and diprotic acid is 1.03～1.15: 1.
8. a kind of oil field as claimed in claim 5 is characterized in that with the preparation method of high-pressure fiberglass pipe resin the m-phthalic acid in the described diprotic acid and the mol ratio of hexanodioic acid are 1.0～1.5: 1.
9. a kind of oil field as claimed in claim 5 is characterized in that with the preparation method of high-pressure fiberglass pipe resin the mol ratio of described m-phthalic acid, hexanodioic acid and cis-butenedioic anhydride is 1.5～3.5: 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104515573A CN103183784A (en) | 2011-12-29 | 2011-12-29 | High pressure glass fiber reinforced plastic pipeline resin used for oil fields |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104515573A CN103183784A (en) | 2011-12-29 | 2011-12-29 | High pressure glass fiber reinforced plastic pipeline resin used for oil fields |
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| CN103183784A true CN103183784A (en) | 2013-07-03 |
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| CN2011104515573A Pending CN103183784A (en) | 2011-12-29 | 2011-12-29 | High pressure glass fiber reinforced plastic pipeline resin used for oil fields |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883353A (en) * | 2017-02-22 | 2017-06-23 | 常州天马集团有限公司（原建材二五三厂） | A kind of flexible unsaturated polyester resin of spun casting GRP pipe |
| CN107057316A (en) * | 2017-06-10 | 2017-08-18 | 太仓市华强玻璃钢五金厂 | A kind of glass reinforced plastic pipe |
Citations (4)
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| CN1844187A (en) * | 2006-03-23 | 2006-10-11 | 华东理工大学华昌聚合物有限公司 | Process for producing terephthalic unsaturated polyester resin by using terephthalic acid rinsing residue |
| CN101307138A (en) * | 2008-06-05 | 2008-11-19 | 中山联成化学工业有限公司 | Unsaturated polyester resin modified by by-product of benzoic anhydride |
| CN101531763A (en) * | 2009-04-02 | 2009-09-16 | 上海交通大学 | Method for preparing toughened unsaturated polyester glass fibre composite material |
| CN102268167A (en) * | 2010-12-25 | 2011-12-07 | 河南科技大学 | Preparation method of low styrene volatile unsaturated polyester resin composite material |
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2011
- 2011-12-29 CN CN2011104515573A patent/CN103183784A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1844187A (en) * | 2006-03-23 | 2006-10-11 | 华东理工大学华昌聚合物有限公司 | Process for producing terephthalic unsaturated polyester resin by using terephthalic acid rinsing residue |
| CN101307138A (en) * | 2008-06-05 | 2008-11-19 | 中山联成化学工业有限公司 | Unsaturated polyester resin modified by by-product of benzoic anhydride |
| CN101531763A (en) * | 2009-04-02 | 2009-09-16 | 上海交通大学 | Method for preparing toughened unsaturated polyester glass fibre composite material |
| CN102268167A (en) * | 2010-12-25 | 2011-12-07 | 河南科技大学 | Preparation method of low styrene volatile unsaturated polyester resin composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883353A (en) * | 2017-02-22 | 2017-06-23 | 常州天马集团有限公司（原建材二五三厂） | A kind of flexible unsaturated polyester resin of spun casting GRP pipe |
| CN107057316A (en) * | 2017-06-10 | 2017-08-18 | 太仓市华强玻璃钢五金厂 | A kind of glass reinforced plastic pipe |
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Application publication date: 20130703 |