CN1673595A - High-pressure glass fibre reinforced plastic pipe and producing technology thereof - Google Patents
High-pressure glass fibre reinforced plastic pipe and producing technology thereof Download PDFInfo
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- CN1673595A CN1673595A CN 200510038352 CN200510038352A CN1673595A CN 1673595 A CN1673595 A CN 1673595A CN 200510038352 CN200510038352 CN 200510038352 CN 200510038352 A CN200510038352 A CN 200510038352A CN 1673595 A CN1673595 A CN 1673595A
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- reinforced plastic
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Abstract
The high pressure GRP pipe is prepared with the material including glass fiber yarn, epoxy resin and curing agent, and features that the epoxy resin is bisphenol A epoxy resin and the curing agent is modified imidazole or modified polyamine. The present invention also discloses the production process the GRP pipe. The high pressure GRP pipe has excellent mechanical and physical performance, high anticorrosive performance, excellent heat resistance, high pressure resistance up to 3.5-25 MPa, light weight, long service life, etc.
Description
Technical field
The present invention relates to a kind of Glass Steel Tube and production technology thereof, particularly a kind of high voltage bearing Glass Steel Tube and production technology thereof.
Background technique
High-pressure glass fibre reinforced plastic pipe of the prior art is made by glass fiber yarn, epoxy resin and curing agent, and its curing agent is selected acid anhydride type curing agent or arylamine solidified agent for use, and adopts common process to make.Its defective is that this kind high-pressure glass fibre reinforced plastic pipe heat resistance is poor, and working life is short, can not be suitable for some special conveying needs.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, provides that a kind of energy is high temperature resistant, the high-pressure glass fibre reinforced plastic pipe of long service life.
The present invention also provides a kind of production technology of high-pressure glass fibre reinforced plastic pipe.
Technical problem to be solved by this invention is to realize by following technological scheme.The present invention is a kind of high-pressure glass fibre reinforced plastic pipe, and its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, is characterized in that described epoxy resin is bisphenol A type epoxy resin, and described curing agent is modified imidazole (toughness imidazoles) or modified polyamine.
Technical problem to be solved by this invention can also further realize by following technological scheme.Above-described a kind of high-pressure glass fibre reinforced plastic pipe is characterized in, the weight ratio of described epoxy resin and curing agent is 100: 10-40.
Technical problem to be solved by this invention can also further realize by following technological scheme.Above-described a kind of high-pressure glass fibre reinforced plastic pipe is characterized in, the weight ratio of described bisphenol A type epoxy resin and modified imidazole is 100: 10-20.
Technical problem to be solved by this invention can also further realize by following technological scheme.Above-described a kind of high-pressure glass fibre reinforced plastic pipe is characterized in, the weight ratio of described bisphenol A type epoxy resin and modified polyamine is 100: 15-40.
Technical problem to be solved by this invention can also further realize by following technological scheme.The invention also discloses a kind of production technology of high-pressure glass fibre reinforced plastic pipe, it comprises winding, curing, the demoulding and moulding process, is characterized in, described curing process is divided into 3 stages: the phase I is the resin warm-up phase, time is 1-5 minute, and temperature is 80-100 degree centigrade; Second stage is a resin open loop solidification stages, and the time is 3-10 minute, and temperature is 120-140 degree centigrade; Phase III is the resin solidification stage, and the time is 5-30 minute, and temperature is 150-180 degree centigrade.
Technical problem to be solved by this invention can also further realize by following technological scheme.The production technology of above-described a kind of high-pressure glass fibre reinforced plastic pipe is characterized in, mode of heating in the steam is taked in the heating in the described curing process, promptly feeds steam and heat in hollow winding mould.
Technical problem to be solved by this invention can also further realize by following technological scheme.The production technology of above-described a kind of high-pressure glass fibre reinforced plastic pipe is characterized in, the ambient temperature during production is not less than 13 degrees centigrade, and humidity is less than 75%.
Compared with prior art, the high-pressure glass fibre reinforced plastic pipe of high-pressure glass fibre reinforced plastic pipe of the present invention and employing explained hereafter of the present invention has the following advantages:
1, high-pressure glass fibre reinforced plastic pipe of the present invention has the favorable mechanical physical property, and antiseptic property is good, and resistance to high temperature is good, and test value reaches the 150-170 degree, and normal working temperature can reach 80-120 ℃; Anti-high-voltage performance, normal operating pressure are 3.5MPa-25Mpa; Light weight, proportion are 1.7-2.1; Life-span is long, is not less than working life 20 years; The good fluidity of medium, non-scaling, non-wax deposition, the difficult obstruction.
2, technology of the present invention can increase the gel content of inner-walls of duct, makes the bearing capacity of the fine and close smooth reinforced pipe body of table in it; Can effectively carry out gradient and solidify system, products solidifying can be cured by given different temperatures section, the products solidifying exothermic peak be controlled the thermal stratification that to avoid product to cause effectively because of curing; Curing time is short, can utilize media resource to cut down the consumption of energy more fully and cost during curing.
3, high-pressure glass fibre reinforced plastic pipe main application fields of the present invention has: salt solution, water and oil transmission line; The polymer solution transfer line; Crude oil and gas gathering pipeline; Chemical engineering sewage and waste water treatment line; Water distribution system.
Embodiment
Further describe concrete technology implementation scheme of the present invention below.
Embodiment 1.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, and described epoxy resin is bisphenol A type epoxy resin (epoxide number is 54), and described curing agent is a modified imidazole.
Embodiment 2.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, and described epoxy resin is bisphenol A type epoxy resin (epoxide number is 51), and described curing agent is a modified polyamine.
Embodiment 3.A kind of high-pressure glass fibre reinforced plastic pipe among the embodiment 1, the weight ratio of bisphenol A epoxide resin and modified imidazole are 100: 10.
Embodiment 4.A kind of high-pressure glass fibre reinforced plastic pipe among the embodiment 1, the weight ratio of bisphenol A epoxide resin and modified imidazole are 100: 20.
Embodiment 5.A kind of high-pressure glass fibre reinforced plastic pipe in embodiment 2, the weight ratio of bisphenol A epoxide resin and modified polyamine are 100: 15.
Embodiment 6.A kind of high-pressure glass fibre reinforced plastic pipe in embodiment 2, the weight ratio of bisphenol A epoxide resin and modified polyamine are 100: 40.
Embodiment 7.A kind of production technology of high-pressure glass fibre reinforced plastic pipe comprises winding, curing, the demoulding and moulding process, and described curing process is divided into 3 stages: the phase I is the resin warm-up phase, and the time is 1 minute, and temperature is 100 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 10 minutes, and temperature is 140 degrees centigrade; Phase III is the resin solidification stage, and the time is 10 minutes, and temperature is 180 degrees centigrade.
Embodiment 8.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, described epoxy resin is bisphenol A type epoxy resin, described curing agent is a modified imidazole, the weight ratio of bisphenol A epoxide resin and modified imidazole is 100: 15, and the production technology of this kind high-pressure glass fibre reinforced plastic pipe comprises winding, curing, the demoulding and moulding process, and described curing process is divided into 3 stages: the phase I is the resin warm-up phase, time is 5 minutes, and temperature is 80 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 3 minutes, and temperature is 120 degrees centigrade; Phase III is the resin solidification stage, and the time is 30 minutes, and temperature is 150 degrees centigrade.
Embodiment 9.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, described epoxy resin is bisphenol A type epoxy resin, described curing agent is a modified imidazole (toughness imidazoles, it is the new liquid imidazole curing agent of producing through special synthesis technology, existing conventional imidazole curing agent humidity, the characteristics of solidfied material good heat resistance, have again and make solidfied material form the characteristics that " island structure " increases toughness), the weight ratio of bisphenol A epoxide resin and modified imidazole (toughness imidazoles) is 100: 20, the production technology of this kind high-pressure glass fibre reinforced plastic pipe comprises winding, solidify, the demoulding and moulding process, described curing process is divided into 3 stages: the phase I is the resin warm-up phase, time is 3 minutes, and temperature is 90 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 8 minutes, and temperature is 130 degrees centigrade; Phase III is the resin solidification stage, and the time is 15 minutes, and temperature is 170 degrees centigrade.
Embodiment 10.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, described epoxy resin is bisphenol A type epoxy resin, described curing agent is a modified polyamine, the weight ratio of bisphenol A epoxide resin and modified polyamine is 100: 35, and the production technology of this kind high-pressure glass fibre reinforced plastic pipe comprises winding, curing, the demoulding and moulding process, and described curing process is divided into 3 stages: the phase I is the resin warm-up phase, time is 4 minutes, and temperature is 95 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 5 minutes, and temperature is 135 degrees centigrade; Phase III is the resin solidification stage, and the time is 20 minutes, and temperature is 170 degrees centigrade.
Embodiment 11.A kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, described epoxy resin is bisphenol A type epoxy resin, described curing agent is a modified polyamine, the weight ratio of bisphenol A epoxide resin and modified polyamine is 100: 28, and the production technology of this kind high-pressure glass fibre reinforced plastic pipe comprises winding, curing, the demoulding and moulding process, and described curing process is divided into 3 stages: the phase I is the resin warm-up phase, time is 2 minutes, and temperature is 100 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 6 minutes, and temperature is 125 degrees centigrade; Phase III is the resin solidification stage, and the time is 12 minutes, and temperature is 175 degrees centigrade, and mode of heating in the steam is taked in the heating in the described curing process, promptly feeds steam and heat in hollow winding mould.
Embodiment 12.In embodiment 7, the ambient temperature during production is 15 degrees centigrade, and humidity is 70%.
Embodiment 13.In embodiment 8, the ambient temperature during production is 20 degrees centigrade, and humidity is 60%.
Embodiment 14.In embodiment 9, the ambient temperature during production is 25 degrees centigrade, and humidity is 50%.
Embodiment 15.A kind of high-pressure glass fibre reinforced plastic pipe production technology.
1, ambient temperature: temperature is 25 ℃ during production, humidity 50%.
2, join glue: the resin of required amount and curing agent weighing in proportion, bisphenol A type epoxy resin: toughness imidazoles=100: 16 (weight ratio), successively pour in the bucket, fully stir 5-10 minute to even, before resin added the glue groove, use strainer filtering, foreign matter is further filtered.
3, twine.
Glass fiber yarn is penetrated the yarn comb of Stetch Wrapping Machine;
After the Stetch Wrapping Machine start is normal, be coated with the skim releasing agent equably at mandrel surface;
In the glue groove, pour the 1/2-2/3 that the resin that mixes reaches the glue groove depth into, the feeding head handle is fixed on the core assembly mould position that to twine;
Core is preheated to 40 ℃, in case surface sweating;
The silvalin bundle that will twine is pulled through dividing sinker comb and dividing sinker hole, soaks into glue;
One of cotton yarn tape below core around to top, hydrovalve is slowly opened in and tensioning on core, makes core turn over the 2-3 circle, and the cotton yarn tape head is compressed;
Set and twine linear period, the core Joystick is placed the hoop position, slowly open hydrovalve, make core begin rotation, dolly laterally moves, when cotton yarn tape is overlapping when being covered with last button screw thread, Joystick is pushed into lengthwise position, begins normal winding program;
To lift the plastic squeeze roller when twining first layer, will put down the plastic squeeze roller to twining during from the second layer and finish.
4, solidify.
Set gradient by the specified value of technology and solidify the temperature and time of each time period.
Solidification process is divided into 3 stages: the phase I is the resin warm-up phase, and the time is 5 minutes, and temperature is 100 degrees centigrade; Second stage is a resin open loop solidification stages, and the time is 10 minutes, and temperature is 140 degrees centigrade; Phase III is the resin solidification stage, and the time is 15 minutes, and temperature is 180 degrees centigrade, and mode of heating in the steam is taked in the heating in the curing process, promptly feeds steam and heat in hollow winding mould.
5, the demoulding.
On belt spanner and pipe surface of contact, spill silica flour; Belt is passed below pipe, around to pipe; The free end of belt is passed from the slotted eye of spanner; Pinch bar is taken on the core, and it is long that belt is loosened 75-100mm; With a free end of holding tight belt, spanner is held with a firm grip (being sure not finger is placed on the handle below) with the top and the both sides of another handle, hold spanner, make an end of spanner trough of belt directly put on the core; Slowly open hydrovalve, make core regard the inhour rotation as to tailstock, up to the rotating speed maximum from the head of a bed; With a finger-tight belt and handle, until pipe is spun down, promptly the female thread of pipe stops core then and rotates; Belt is unloaded down from pipe, with rope pipe is pulled down from core.
6, moulding.By product requirement Glass Steel Tube is cut, beats awl.
Claims (7)
1, a kind of high-pressure glass fibre reinforced plastic pipe, its preparation raw material comprises glass fiber yarn, epoxy resin and curing agent, it is characterized in that described epoxy resin is bisphenol A type epoxy resin, described curing agent is modified imidazole or modified polyamine.
2, a kind of high-pressure glass fibre reinforced plastic pipe according to claim 1 is characterized in that, the weight ratio of described epoxy resin and curing agent is 100: 10-40.
3, a kind of high-pressure glass fibre reinforced plastic pipe according to claim 1 is characterized in that, the weight ratio of described bisphenol A type epoxy resin and modified imidazole is 100: 10-20.
4, a kind of high-pressure glass fibre reinforced plastic pipe according to claim 1 is characterized in that, the weight ratio of described bisphenol A type epoxy resin and modified polyamine is 100: 15-40.
5, a kind of production technology of high-pressure glass fibre reinforced plastic pipe comprises winding, curing, the demoulding and moulding process, it is characterized in that, described curing process is divided into 3 stages: the phase I is the resin warm-up phase, and the time is 1-5 minute, and temperature is 80-100 degree centigrade; Second stage is a resin open loop solidification stages, and the time is 3-10 minute, and temperature is 120-140 degree centigrade; Phase III is the resin solidification stage, and the time is 5-30 minute, and temperature is 150-180 degree centigrade.
6, the production technology of a kind of high-pressure glass fibre reinforced plastic pipe according to claim 5 is characterized in that, mode of heating in the steam is taked in the heating in the described curing process, promptly feeds steam and heat in hollow winding mould.
7, the production technology of a kind of high-pressure glass fibre reinforced plastic pipe according to claim 5 is characterized in that, the ambient temperature during production is not less than 13 degrees centigrade, and humidity is less than 75%.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100383527A CN1318790C (en) | 2005-02-04 | 2005-02-04 | High-pressure glass fibre reinforced plastic pipe and producing technology thereof |
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| CNB2005100383527A CN1318790C (en) | 2005-02-04 | 2005-02-04 | High-pressure glass fibre reinforced plastic pipe and producing technology thereof |
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| CN1673595A true CN1673595A (en) | 2005-09-28 |
| CN1318790C CN1318790C (en) | 2007-05-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175998A (en) * | 2015-09-07 | 2015-12-23 | 中材金晶玻纤有限公司 | High pressure epoxy glass steel pipeline and preparation method thereof by adding glass fiber fabric |
| CN106633636A (en) * | 2016-11-17 | 2017-05-10 | 青岛阿斯顿工程技术转移有限公司 | Glass fiber reinforced epoxy resin pipeline |
| CN106838480A (en) * | 2017-02-28 | 2017-06-13 | 韦健 | A kind of glass reinforced plastic pipe |
| CN107061874A (en) * | 2017-02-28 | 2017-08-18 | 韦健 | A kind of corrosion-resistant and high-temperature resistant glass reinforced plastic pipe |
| CN115216115A (en) * | 2022-08-26 | 2022-10-21 | 株洲时代新材料科技股份有限公司 | Glass fiber reinforced plastic winding part, preparation method and application |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596442A (en) * | 1982-06-30 | 1984-01-13 | Toyota Motor Corp | Leaf spring of fiberglass reinforced plastics for car |
| CN1031830C (en) * | 1988-06-11 | 1996-05-22 | 无锡化工研究设计院 | Method of manufacturing moulded glass fibre-reinforced epoxy plastics |
| CN100509358C (en) * | 2003-04-24 | 2009-07-08 | 上海交通大学 | Continuous rolling shaping method of low-temperature thick wall GFRP tube |
-
2005
- 2005-02-04 CN CNB2005100383527A patent/CN1318790C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175998A (en) * | 2015-09-07 | 2015-12-23 | 中材金晶玻纤有限公司 | High pressure epoxy glass steel pipeline and preparation method thereof by adding glass fiber fabric |
| CN105175998B (en) * | 2015-09-07 | 2017-06-06 | 中材金晶玻纤有限公司 | The preparation method of high-voltage epoxy GRP pipe and its addition glass fabric |
| CN106633636A (en) * | 2016-11-17 | 2017-05-10 | 青岛阿斯顿工程技术转移有限公司 | Glass fiber reinforced epoxy resin pipeline |
| CN106838480A (en) * | 2017-02-28 | 2017-06-13 | 韦健 | A kind of glass reinforced plastic pipe |
| CN107061874A (en) * | 2017-02-28 | 2017-08-18 | 韦健 | A kind of corrosion-resistant and high-temperature resistant glass reinforced plastic pipe |
| CN115216115A (en) * | 2022-08-26 | 2022-10-21 | 株洲时代新材料科技股份有限公司 | Glass fiber reinforced plastic winding part, preparation method and application |
| CN115216115B (en) * | 2022-08-26 | 2023-12-01 | 株洲时代新材料科技股份有限公司 | Glass fiber reinforced plastic winding part, preparation method and application |
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| CN1318790C (en) | 2007-05-30 |
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| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shengyang Zhongfu Kejin Pressure Vessels Co., Ltd. Assignor: Lianyungang Zhongfulianzhong Composite Material Group Corp., Ltd. Contract fulfillment period: 2008.6.8 to 2013.6.7 contract change Contract record no.: 2009210000082 Denomination of invention: High-pressure glass fibre reinforced plastic pipe and producing technology thereof Granted publication date: 20070530 License type: Exclusive license Record date: 2009.4.7 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.8 TO 2013.6.7; CHANGE OF CONTRACT Name of requester: SHENYANG ZHONGFUKEJIN PRESSURE VESSEL CO., LTD. Effective date: 20090407 |