CN100441929C - Glass fiber reinforced plastic pipeline and its production process - Google Patents
Glass fiber reinforced plastic pipeline and its production process Download PDFInfo
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- CN100441929C CN100441929C CNB200610026835XA CN200610026835A CN100441929C CN 100441929 C CN100441929 C CN 100441929C CN B200610026835X A CNB200610026835X A CN B200610026835XA CN 200610026835 A CN200610026835 A CN 200610026835A CN 100441929 C CN100441929 C CN 100441929C
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- unsaturated polyester
- polyester resin
- glass fiber
- fiber reinforced
- reinforced plastic
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Abstract
The invention is a glass fiber reinforced plastic pipeline, comprising outer layer and inner layer, characterized in that a filling layer is arranged between the inner and outer layers. And its producing process flow comprises: 1. the producing mould adopts inner mould and outer mould; 2. a group of glass fibers is dipped in unsaturated polyester resin and then coiled on the outer surface of the inner mould and besides, the other group of glass fibers is dipped in unsaturated polyester resin and coiled on the inner surface of the outer mould; 3. injecting the mixture of fillings and unsaturated polyester resin in the annular die formed between the two glass fiber surface layers; 4. the producing mould is heated by electrifying to cure the resin; 5. drawing out the formed pipeline by a tractor and cutting the pipeline for the needed size. And the products are strongly designable and have good synthetic performance. Besides, in the producing course, no styrene volatilizes, according with environmental protection requirements.
Description
Technical field
The invention belongs to glass fiber reinforced plastic pipeline manufacturing technology field, be specifically related to the glass fiber reinforced plastic pipeline and the production technology thereof of a kind of pultrusion-winding-injection compound molding.
Background technique
In the tunnel construction municipal engineering, the application of push pipe more and more is subjected to the favor of applying unit.The present push pipe that uses, most of employing cement push pipe, but there are many unfavorable factors in cement material: the cement push pipe does not possess rotproofness, if be used on the sewage treatment project, maintenance cost is bigger; Cement surface is rough, not only cause the fluid resistance in the using process big, and surface friction drag is also bigger in the work progress, thus to the requirement of jacking working pit and jacking equipment all than higher, therefore every section jacking length is shorter, and is more to the laying of jacking working pit.In addition, there is following unfavorable factor in the simple glass steel push pipe of Shi Yonging nowadays: one, add on the burning into sand process using or under add, layer of sand density is lower; Its two, be to increase glass fibre reinforced plastics push pipe intensity, the general way that increases the internal and external layers of glass fiber that adopts causes glass fibre reinforced plastics push pipe price to rise like this; Its three, have vinyl benzene volatilization in the production process, cause production environment poor.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming, provide that a kind of cost of production is low, performance good, the compound molding glass fiber reinforced plastic pipeline and the production technology thereof of compliance with environmental protection requirements.
For achieving the above object, the technical solution used in the present invention is: a kind of glass fiber reinforced plastic pipeline, comprise external structure layer, inner structure layer, and it is characterized in that being equipped with packing layer between described external structure layer and the described inner structure layer.
The flow of above-mentioned glass fiber reinforced plastic pipeline is:
1. production mould adopts internal mold and external mold;
2. glass fibre is wrapped in the outer surface of internal mold behind the unsaturated polyester resin dipping, and another group glass fibre is wrapped in the internal surface of external mold behind the unsaturated polyester resin dipping simultaneously;
3. inject the mixture of filler and unsaturated polyester resin composition in the annular die cavity that between interior external mold glass fibre top layer, forms with injection method;
4. production mould energising heating makes resin solidification;
5. the pipeline traction that forms after with resin solidification with traction gear is pulled out, and the cutting of size as required.
In the above-mentioned technological process, described filler is one or more pulverized particles made in rubber, glass, the engineered stone; The temperature of described production mould energising heating is 120 ℃～130 ℃, and be to make resin solidification in 10～20 minutes curing time; Described unsaturated polyester resin is adjacent benzene type unsaturated polyester resin, or terephthalic unsaturated polyester resin, or metaphenylene unsaturated polyester resin, make curing agent with the methyl-ethyl ketone peroxide of providing together, the weight ratio of unsaturated polyester resin and curing agent is 100: (2-3), evenly mix back with the dried colloid of doing dipping and injection; For conveniently stripped, with also evenly mixing a small amount of releasing agent zinc stearate in the unsaturated polyester resin of doing dipping.Described glass fibre is an alkali-free glass fibre.
Beneficial effect of the present invention is: in this glass fiber reinforced plastic pipeline and the production technology thereof, remove and keep the corrosion resistance that original material unsaturated polyester resin has, ageing resistance beyond the characteristics such as insulating properties, has also that the pultrusion product size is stable, appearance quality is good; Advantages such as the intensity of winding product and quality ratio are guaranteed; Injection technique of the present invention has overcome the defective of vinyl benzene volatilization in the traditional processing technology process, compliance with environmental protection requirements.Use composite molding technique of the present invention, the designability of product is strong, the goods good combination property.
Description of drawings
Fig. 1 glass fiber reinforced plastic pipeline structural representation of the present invention;
The A-A sectional view of Fig. 2 Fig. 1.
Among the figure, 1-external structure layer; The 2-packing layer; 3-inner structure layer.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described; be to be understood that; present embodiment is not limited to the present invention, and the technology of pultrusion-winding-injection compound molding that every employing is similar to the present invention prepares glass fiber reinforced plastic pipeline, all should list protection scope of the present invention in.
Glass fiber reinforced plastic pipeline comprises external structure layer (1), inner structure layer (3), it is characterized in that being equipped with packing layer (2) between described external structure layer (1) and the described inner structure layer (3).
The technological process of producing above-mentioned glass fiber reinforced plastic pipeline is:
1. production mould adopts internal mold and external mold;
2. glass fibre is wrapped in the outer surface of internal mold behind the unsaturated polyester resin dipping, and another group glass fibre is wrapped in the internal surface of external mold behind the unsaturated polyester resin dipping simultaneously;
3. inject the mixture of filler and unsaturated polyester resin composition in the annular die cavity that between interior external mold glass fibre top layer, forms with injection method;
4. production mould energising heating makes resin solidification;
5. the pipeline traction that forms after with resin solidification with traction gear is pulled out, and size is as required cut.
In the present embodiment, unsaturated polyester resin is the 196 adjacent benzene type unsaturated polyester resins that East China University Of Science And Technology Huachang Polymer Co., Ltd produces, or 9503 terephthalic unsaturated polyester resin, or 9406 metaphenylene unsaturated polyester resin, make curing agent with the methyl-ethyl ketone peroxide of providing together, the weight ratio of unsaturated polyester resin and curing agent is 100: (2-3), be used to do the colloid of dipping and injection after evenly mixing; For making things convenient for the construction layer demoulding, the unsaturated polyester resin that is used for flooding also evenly mixes a small amount of releasing agent zinc stearate, and the weight ratio of unsaturated polyester resin and releasing agent is 100: (1.5-2.5); Do matrix with the Zhejiang megalith Tex2400 of group alkali-free glass fibre.
In the above-mentioned technological process, described filler is one or more the broken particles made in rubber, glass, the engineered stone; It is 120 ℃～130 ℃ that described production mould energising heating makes the temperature of resin solidification, and be 10～20 minutes curing time.
The product that embodiment makes, Mechanics Performance Testing the results are shown in following table, and the result shows the glass fiber reinforced plastic pipeline good combination property that makes with pultrusion-winding of the present invention-injection composite molding technique, can satisfy the needs of tunnel construction engineering.
| The performance title | Unit | The sampling direction | Pipeline |
| Tensile strength | MPa | Vertically | 690 |
| Stretch modulus | GPa | Vertically | 41.3 |
| Flexural strength | MPa | Vertically | 690 |
| Flexural modulus | GPa | Vertically | 41.3 |
| Compression strength | MPa | Vertically | 412 |
| Notched Izod impact strength | J/m | Vertically | 2136 |
Claims (5)
1. glass fiber reinforced plastic pipeline production technology:
1. production mould adopts internal mold and external mold;
2. glass fibre is wrapped in the outer surface of internal mold behind the unsaturated polyester resin dipping, and another group glass fibre is wrapped in the internal surface of external mold behind the unsaturated polyester resin dipping simultaneously;
3. inject the mixture of filler and unsaturated polyester resin composition in the annular die cavity that between interior external mold glass fibre top layer, forms with injection method;
4. production mould energising heating makes resin solidification;
5. the pipeline traction that forms after with resin solidification with traction gear is pulled out, and cuts with cutting equipment size as required.
2. a kind of glass fiber reinforced plastic pipeline production technology according to claim 1 is characterized in that: described filler is one or more pulverized particles made in rubber, glass, the engineered stone.
3. a kind of glass fiber reinforced plastic pipeline production technology according to claim 1 is characterized in that: it is 120 ℃～130 ℃ that described production mould energising heating makes the temperature of resin solidification, and be 10～20 minutes curing time.
4. a kind of glass fiber reinforced plastic pipeline production technology according to claim 1 is characterized in that: described unsaturated polyester resin is adjacent benzene type unsaturated polyester resin, or terephthalic unsaturated polyester resin, or metaphenylene unsaturated polyester resin.
5. a kind of glass fiber reinforced plastic pipeline production technology according to claim 1, it is characterized in that: described glass fibre is an alkali-free glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610026835XA CN100441929C (en) | 2006-05-24 | 2006-05-24 | Glass fiber reinforced plastic pipeline and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610026835XA CN100441929C (en) | 2006-05-24 | 2006-05-24 | Glass fiber reinforced plastic pipeline and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1892086A CN1892086A (en) | 2007-01-10 |
| CN100441929C true CN100441929C (en) | 2008-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610026835XA Expired - Fee Related CN100441929C (en) | 2006-05-24 | 2006-05-24 | Glass fiber reinforced plastic pipeline and its production process |
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| CN (1) | CN100441929C (en) |
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| DE102010043415B4 (en) * | 2010-11-04 | 2015-04-09 | Airbus Operations Gmbh | Method for producing a hollow component and device |
| CN102161235A (en) * | 2010-12-03 | 2011-08-24 | 奉玉贞 | Application of polyester film in manufacture of fibre reinforced plastic (FRP) pipes |
| FR2987880B1 (en) * | 2012-03-09 | 2014-05-02 | Saint Gobain Pont A Mousson | TUBULAR ELEMENT AND CORRESPONDING METHOD |
| CN102797916B (en) * | 2012-08-16 | 2015-07-22 | 广西盛世鸿霞玻璃钢制品有限公司 | Multilayer structure glass fiber reinforced plastic tube |
| CN103062515B (en) * | 2012-10-23 | 2015-03-11 | 杭州新世纪电力器材有限公司 | Nonmetal water supply and drainage composite pipe using ceramsite sand as material of middle enhancement layer |
| CN103016857B (en) * | 2012-12-17 | 2015-08-05 | 中联重科股份有限公司 | Concrete conveying pipe and preparation method thereof |
| CN103292055B (en) * | 2013-05-08 | 2014-12-17 | 河北华强科技开发有限公司 | Compound glass steel tube and its preparing method |
| CN103441464A (en) * | 2013-09-13 | 2013-12-11 | 刘洪奎 | Improved composite material cable conduit and technology method thereof |
| CN103629437B (en) * | 2013-12-14 | 2015-09-23 | 泉州市路通管业科技有限公司 | A kind of production technology of glass reinforced plastic push pipe |
| CN103847106A (en) * | 2014-01-02 | 2014-06-11 | 天津耀德环保科技有限公司 | High-performance fiber reinforced polyethylene composite pipe and preparation method thereof |
| CN104385616B (en) * | 2014-11-06 | 2017-01-25 | 连云港中复连众复合材料集团有限公司 | Method for preparing coalbed gas pipeline by adopting double-angle alternating winding technology |
| CN104943192A (en) * | 2015-04-29 | 2015-09-30 | 浙江中意玻璃钢有限公司 | Anti-static fiber reinforced plastic pipeline and continuous manufacturing method thereof |
| CN106523803A (en) * | 2016-11-07 | 2017-03-22 | 合浦县市政管理局 | Municipal water and dirt drainage pipeline |
| CN106481895A (en) * | 2016-11-07 | 2017-03-08 | 合浦县市政管理局 | Draining blowdown tubing |
| CN107965621A (en) * | 2017-11-03 | 2018-04-27 | 金华市华宇管业有限公司 | HDPE is molded push pipe |
| CN109624352A (en) * | 2018-12-17 | 2019-04-16 | 巢湖鹏远金属焊管有限公司 | A kind of composite glass steel pipe and its processing method |
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2006
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| US5091230A (en) * | 1989-04-13 | 1992-02-25 | Aerospatiale Societe Nationale Industrielle | Tube of composite material with a fibrous thermoplastic coating and process for manufacturing such a tube |
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| CN1892086A (en) | 2007-01-10 |
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