CN109237184A - A kind of isometrical engineering plastics elbow of shock resistance and its application - Google Patents
A kind of isometrical engineering plastics elbow of shock resistance and its application Download PDFInfo
- Publication number
- CN109237184A CN109237184A CN201811271110.6A CN201811271110A CN109237184A CN 109237184 A CN109237184 A CN 109237184A CN 201811271110 A CN201811271110 A CN 201811271110A CN 109237184 A CN109237184 A CN 109237184A
- Authority
- CN
- China
- Prior art keywords
- polyimide
- pipe
- steel
- connector
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of isometrical engineering plastics elbows of shock resistance, including the first steel-belt-pipe, second steel bands pipe and third steel-belt-pipe, and several reinforcings protrusion between be filled with insulating sponge, the outer wall of the outer wall of first connector and the second connector offers thread groove, and first connector bottom outer wall and the second connector bottom the equal fixing sleeve of outer wall be equipped with guard shield, and cavity is respectively formed between guard shield and the first connector and the second connector, the outside wall surface of guard shield is fixedly installed with cushion, a kind of isometrical engineering plastics elbow of shock resistance of the present invention, enhance the flatness of conveying by three sections of steel-belt-pipes of setting, guard shield is set in interface simultaneously and cushion protects interface, enhance the stability of interface, several reinforcing protrusions and insulating sponge is arranged in pipeline outer wall, reinforce the intensity of pipeline, and increase the friction of Pipe installing Power guarantees that the temperature of internal liquid is stablized.
Description
Technical field
The present invention relates to iso-diameter elbow, in particular to a kind of isometrical engineering plastics elbow of shock resistance belongs to pipeline connection skill
Art field.
Background technique
With society development, people life and environmental protection demand development, various pipe networks, pipe-line system petrochemical industry,
It is widely applied in the fields such as combustion gas, drinking water, and occupies more and more important, increasing market.Elbow is as the most
One of common pipe fitting connection has important market position, no matter is used for which field, rigidity, leakproofness for elbow
Deng there is a high requirement, elbow in the prior art, when with being shaken when using the easy time to extend, while using,
Elbow connecting portion is all easily deformed or damages, and leakproofness declines, and sealing performance cannot be protected, and connection effect is paid no attention to
Think, while poor corrosion resistance, service life is short.
Summary of the invention
The purpose of the present invention is to provide a kind of isometrical engineering plastics elbows of shock resistance, to solve to mention in above-mentioned background technique
Elbow in the prior art out, when with being shaken when using the easy time to extend, while using, elbow connecting portion is all
It is easily deformed or damages, and leakproofness declines, sealing performance cannot be protected, and connection effect is undesirable, while corrosion-resistant
Poor, the short problem of service life of property.
To achieve the above object, the invention provides the following technical scheme: a kind of isometrical engineering plastics elbow of shock resistance, including
First steel-belt-pipe, the second steel bands pipe and third steel-belt-pipe, one end of the first steel bands pipe are fixedly connected with the second steel-belt-pipe, the second steel
One end with pipe is fixedly connected with third steel-belt-pipe, the outside wall surface of the first steel-belt-pipe, the second steel bands pipe outer wall face and third steel band
The outside wall surface of pipe is fixedly installed with several reinforcings protrusion, and several reinforcing protrusion between filled with insulating sponge, the first steel
The other end with pipe is fixedly installed with the second connector, and one end of third steel-belt-pipe is fixedly installed with the first connector, the first connector
The outer wall of outer wall and the second connector offers thread groove, and the outer wall of the first connector bottom and the outer wall of the second connector bottom are equal
Fixing sleeve is equipped with guard shield, and cavity is respectively formed between guard shield and the first connector and the second connector, outside guard shield
Wall surface is fixedly installed with cushion.
The surface of guard shield (6) is coated with polyimide composite film, and polyimide composite film successively includes: from top to bottom
Graphene modified polyimide layer and composite polyimide material on polyimide plastic layer, polyimide plastic layer
Layer；
Wherein, the preparation method of graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned
Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to
230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene
Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing,
After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene
Amine layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%；
The preparation method of polyimide glass fiber composite material, comprising the following steps:
A provides Thermocurable polyimide, low polymerization degree polyimides and reinforcing material；
Low polymerization degree polyimides is dissolved among solution by b, and being prepared into low polymerization degree polyimides mass content is 15-60%
Low polymerization degree polyimide solution；
C infiltrates reinforcing material using low polymerization degree polyimide solution；
D is uniformly mixed the reinforcing material after infiltration to obtain polyimide glass fiber composite material with Thermocurable polyimide.
As a preferred technical solution of the present invention, it is close that the side and bottom of cavity inner wall are fixedly installed with second
Packing.
As a preferred technical solution of the present invention, one end of one end of the first connector and the second connector is fixedly mounted
There is inner joint, and the outer wall of inner joint is arranged with the first gasket.
As a preferred technical solution of the present invention, the inner wall of the first steel-belt-pipe, the second steel-belt-pipe inner wall and
The inner wall of third steel-belt-pipe is even surface structure.
As a preferred technical solution of the present invention, the matter of graphene oxide and polyimide monomers in step (1)
Ratio is measured as 1:50, the mass ratio of organic dicarboxylic acid and polyimide monomers is 1:20, ring-opening polymerization catalyst and polyimides list
The mass ratio of body is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2).
As a preferred technical solution of the present invention, catalyst is selected from antimony class catalyst, germanium series catalysts, the catalysis of titanium system
One or more of agent；Thermocurable polyimide is synthesized by tetracarboxylic dianhydride, diamines and end-capping reagent；Thermocurable polyimide
End-capping reagent is PEPA or acetylene anhydride；The mass fraction of low polymerization degree polyimides is the 0.5%-10% of Thermocurable polyimide.
As a preferred technical solution of the present invention, the dosage of reinforcing material is the 60%- of Thermocurable polyimide quality
200%。
As a preferred technical solution of the present invention, reinforcing material is glass fibre, carbon fiber, basalt fibre, virtue
One or more of synthetic fibre fiber.
Compared with prior art, the beneficial effects of the present invention are: a kind of isometrical engineering plastics elbow of shock resistance of the present invention, leads to
Crossing three sections of steel-belt-pipes of setting enhances the flatness of conveying, while protecting in interface setting guard shield and cushion to interface
Shield, enhances the stability of interface, and pipeline outer wall is arranged several reinforcing protrusions and insulating sponge, reinforces the intensity of pipeline, and increase
The frictional force of Pipe installing guarantees that the temperature of internal liquid is stablized.
Compared with prior art, polyimide modified composite paster provided by the present invention, because graphene oxide has
Certain conductive and heat-conductive ability, alcohol quasi polymer have the characteristics that good hygroscopicity, the introducing of graphene oxide and alcohol quasi-oligomer,
Impart the good electrical and thermal conductivity performance of polyimide material, antistatic property significantly improves, meanwhile, impact strength, stretching
Intensity greatly improves raising, test method: unnotched impact strength test: Xa-500,50J, GB1043 type；Tensile strength is surveyed
Examination: Lloyd-LR-50K, GB1040 type, bending strength test: Lloyd-LR-50K, GB9341 type, medium-resistance test:
GBn547 type.
Detailed description of the invention
Fig. 1 is positive structure schematic of the present invention；
Fig. 2 is the enlarged structure schematic diagram of inner joint of the present invention.
In figure: 1, the first steel-belt-pipe；2, the second steel-belt-pipe；3, third steel-belt-pipe；4, the first connector；5, the second connector；6,
Guard shield；7, thread groove；8, cushion；9, protrusion is reinforced；10, insulating sponge；11, inner joint；12, the first gasket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of isometrical engineering plastics elbows of shock resistance, including the first steel-belt-pipe 1, referring to FIG. 1-2,
Two steel bands pipes 2 and third steel-belt-pipe 3, one end of the first steel bands pipe 1 are fixedly connected with the second steel-belt-pipe 2, and the one of the second steel-belt-pipe 2
End is fixedly connected with third steel-belt-pipe 3, the outside wall surface of the first steel-belt-pipe 1,2 outside wall surface of the second steel bands pipe and third steel-belt-pipe 3
Outside wall surface is fixedly installed with several reinforcing protrusions 9, and is filled with insulating sponge 10, the first steel between several reinforcings raised 9
The other end with pipe 1 is fixedly installed with the second connector 5, and one end of third steel-belt-pipe 3 is fixedly installed with the first connector 4, and first connects
The outer wall of first 4 outer wall and the second connector 5 offers thread groove 7, and 5 bottom of the outer wall of 4 bottom of the first connector and the second connector
The equal fixing sleeve of the outer wall in portion is equipped with guard shield 6, and is respectively formed appearance between guard shield 6 and the first connector 4 and the second connector 5
Chamber, the outside wall surface of guard shield 6 are fixedly installed with cushion 8.
The surface of guard shield (6) is coated with polyimide composite film, and polyimide composite film successively includes: from top to bottom
Graphene modified polyimide layer and composite polyimide material on polyimide plastic layer, polyimide plastic layer
Layer；
Scheme 1: where the preparation method of graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 134 DEG C in temperature；Later by above-mentioned mixing list
Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 243 DEG C and stir
Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 243 DEG C 2h obtains graphene modified polyimide；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 243 DEG C by discharge hole for discharge after cooling and dicing, it is dry
Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide
Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 44%, polyphenylene oxide: 33%, polyethylene: 23%；
The preparation method of polyimide glass fiber composite material, comprising the following steps:
A provides Thermocurable polyimide, low polymerization degree polyimides and reinforcing material；
Low polymerization degree polyimides is dissolved among solution by b, be prepared into low polymerization degree polyimides mass content be 43% it is low
Degree of polymerization polyimide solution；
C infiltrates reinforcing material using low polymerization degree polyimide solution；
D is uniformly mixed the reinforcing material after infiltration to obtain polyimide glass fiber composite material with Thermocurable polyimide；
The mass ratio of graphene oxide and polyimide monomers in step (1) is 1:50, organic dicarboxylic acid and polyimides list
The mass ratio of body is 1:20, and the mass ratio of ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2)；
Catalyst is selected from antimony class catalyst, and Thermocurable polyimide is synthesized by tetracarboxylic dianhydride, diamines and end-capping reagent；Thermosetting property is poly-
Imido end-capping reagent is PEPA, and the mass fraction of low polymerization degree polyimides is the 3.6% of Thermocurable polyimide, strengthening material
The dosage of material is the 72% of Thermocurable polyimide quality, and reinforcing material is glass fibre.
The performance test of the present embodiment is as follows: unnotched impact strength test: 168(kj/m2) tensile strength test: 658
(MPa) bending strength is tested: 1109(MPa) kerosene handles tensile strength: 632(MPa).
Scheme 2: where the preparation method of graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 131 DEG C in temperature；Later by above-mentioned mixing list
Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 252 DEG C and stir
Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 252 DEG C 2h obtains graphene modified polyimide；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 252 DEG C by discharge hole for discharge after cooling and dicing, it is dry
Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide
Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 51%, polyphenylene oxide: 27%, polyethylene: 23%；
The preparation method of polyimide glass fiber composite material, comprising the following steps:
A provides Thermocurable polyimide, low polymerization degree polyimides and reinforcing material；
Low polymerization degree polyimides is dissolved among solution by b, be prepared into low polymerization degree polyimides mass content be 27% it is low
Degree of polymerization polyimide solution；
C infiltrates reinforcing material using low polymerization degree polyimide solution；
D is uniformly mixed the reinforcing material after infiltration to obtain polyimide glass fiber composite material with Thermocurable polyimide；
The mass ratio of graphene oxide and polyimide monomers in step (1) is 1:50, organic dicarboxylic acid and polyimides list
The mass ratio of body is 1:20, and the mass ratio of ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2).
Catalyst is selected from Titanium series catalyst, and Thermocurable polyimide is synthesized by tetracarboxylic dianhydride, diamines and end-capping reagent；Thermosetting
Property polyimides end-capping reagent be acetylene anhydride, the mass fraction of low polymerization degree polyimides is Thermocurable polyimide
2.7%, the dosage of reinforcing material is the 127% of Thermocurable polyimide quality, and reinforcing material is carbon fiber and basalt fibre
Mixing.
The performance test of the present embodiment is as follows: unnotched impact strength test: 169(kj/m2) tensile strength test: 656
(MPa) bending strength is tested: 1095(MPa) kerosene handles tensile strength: 631(MPa).
Preferably, the side and bottom of cavity inner wall are fixedly installed with the second gasket, promote the first connector 4 and the
The leakproofness that two connectors 5 are connect with outer tube.
Preferably, one end of the first connector 4 and one end of the second connector 5 are fixedly installed with inner joint 11, and inner joint
11 outer wall is arranged with the first gasket 12, and inner joint 11 guarantees that the notch of joint will not scratch hand, while and connecting pipe
It cooperates, promotes the leakproofness of connection.
Preferably, the inner wall of the inner wall of the first steel-belt-pipe 1, the inner wall of the second steel-belt-pipe 2 and third steel-belt-pipe 3 is equal
For even surface structure, guarantee the smoothness of liquid flowing.
When specifically used, a kind of isometrical engineering plastics elbow of shock resistance of the present invention is used, the first connector 4 and the second connector 5
It is threadedly coupled respectively with connecting pipe, and while connecting pipe threaded connection, the inside in guard shield 6, guard shield 6
There is the second gasket in inside, promotes the leakproofness that connecting pipe is connect with elbow, and external guard shield 6 carries out junction
Protection, prevents low sewage and humid environment corrosion junction, when the pipeline of connection is shaken, outside guard shield 6
Cushion 8 absorb impact force, guarantee the stability that connect with pipeline of elbow, the 9 reinforcement elbow of reinforcing protrusion of elbow outer wall
Intensity, and the frictional force of elbow outer wall is increased, so that elbow is preferably fixed, and reinforce the heat preservation sea between protrusion 9
Fluid temperature inside 10 guarantee of silk floss tends to stablize, and has cushion effect, protects elbow.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of isometrical engineering plastics elbow of shock resistance, including the first steel-belt-pipe (1), the second steel bands pipe (2) and third steel-belt-pipe
(3), which is characterized in that one end of the first steel bands pipe (1) is fixedly connected with the second steel-belt-pipe (2), second steel-belt-pipe
(2) one end is fixedly connected with third steel-belt-pipe (3), the outside wall surface of first steel-belt-pipe (1), second steel bands pipe (2) outer wall
It is raised (9) that the outside wall surface of face and third steel-belt-pipe (3) is fixedly installed with several reinforcings, and several reinforcings raised (9) are equal
Between be filled with insulating sponge (10), the other end of first steel-belt-pipe (1) is fixedly installed with the second connector (5), described the
One end of three steel-belt-pipes (3) is fixedly installed with the first connector (4), the outer wall of first connector (4) and the second connector (5) it is outer
Wall offers thread groove (7), and the outer wall of first connector (4) bottom and the outer wall of the second connector (5) bottom are fixed
It is arranged with guard shield (6), and is respectively formed cavity between the guard shield (6) and the first connector (4) and the second connector (5),
The outside wall surface of the guard shield (6) is fixedly installed with cushion (8)；
The surface of the guard shield (6) is coated with polyimide composite film, and polyimide composite film successively includes: from top to bottom
Graphene modified polyimide layer and composite polyimide material on polyimide plastic layer, polyimide plastic layer
Layer；
Wherein, the preparation method of the graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned
Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to
230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene
Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing,
After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene
Amine layer；
The polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein presses quality percentage
Than meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%；
The preparation method of the polyimide glass fiber composite material, comprising the following steps:
A provides Thermocurable polyimide, low polymerization degree polyimides and reinforcing material；
Low polymerization degree polyimides is dissolved among solution by b, and being prepared into low polymerization degree polyimides mass content is 15-60%
Low polymerization degree polyimide solution；
C infiltrates the reinforcing material using low polymerization degree polyimide solution；
D is uniformly mixed the reinforcing material after infiltration to obtain polyimide glass fiber composite material with Thermocurable polyimide.
2. the isometrical engineering plastics elbow of a kind of shock resistance according to claim 1, it is characterised in that: in the cavity
The side and bottom of wall surface are fixedly installed with the second gasket.
3. the isometrical engineering plastics elbow of a kind of shock resistance according to claim 1, it is characterised in that: first connector
(4) one end of one end and the second connector (5) is fixedly installed with inner joint (11), and the outer wall of the inner joint (11) is arranged
There are the first gasket (12).
4. the isometrical engineering plastics elbow of a kind of shock resistance according to claim 1, it is characterised in that: first steel-belt-pipe
(1) the inner wall of inner wall, the second steel-belt-pipe (2) and the inner wall of third steel-belt-pipe (3) is even surface structure.
5. the isometrical engineering plastics elbow of shock resistance according to claim 1, which is characterized in that the oxidation stone in step (1)
The mass ratio of black alkene and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is 1:20, open loop
The mass ratio of polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst described in step (2) and oligomer is 1:8.
6. the isometrical engineering plastics elbow of shock resistance according to claim 1, which is characterized in that the catalyst is selected from antimony class
One or more of catalyst, germanium series catalysts, Titanium series catalyst；The Thermocurable polyimide is by tetracarboxylic dianhydride, two
Amine and end-capping reagent synthesis；The end-capping reagent of the Thermocurable polyimide is PEPA or acetylene anhydride；The low polymerization degree polyamides is sub-
The mass fraction of amine is the 0.5%-10% of Thermocurable polyimide.
7. according to right want 1 described in the isometrical engineering plastics elbow of shock resistance, which is characterized in that the dosage of the reinforcing material is
The 60%-200% of Thermocurable polyimide quality.
8. the isometrical engineering plastics elbow of shock resistance according to claim 1, which is characterized in that the reinforcing material is glass
One or more of fiber, carbon fiber, basalt fibre, aramid fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271110.6A CN109237184A (en) | 2018-10-29 | 2018-10-29 | A kind of isometrical engineering plastics elbow of shock resistance and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271110.6A CN109237184A (en) | 2018-10-29 | 2018-10-29 | A kind of isometrical engineering plastics elbow of shock resistance and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237184A true CN109237184A (en) | 2019-01-18 |
Family
ID=65079164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271110.6A Pending CN109237184A (en) | 2018-10-29 | 2018-10-29 | A kind of isometrical engineering plastics elbow of shock resistance and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237184A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208288A (en) * | 1999-11-18 | 2001-08-03 | Hitachi Metals Ltd | Anticorrosive pipe joint |
| CN103302876A (en) * | 2013-04-27 | 2013-09-18 | 恩斯盟防静电材料(镇江)有限公司 | Processing method for producing anti-static sheet through continuous process |
| CN104403313A (en) * | 2014-11-18 | 2015-03-11 | 上海聿衡新材料科技有限公司 | Polyimide composite material and preparation method thereof |
| CN205745817U (en) * | 2016-05-17 | 2016-11-30 | 昆山汉元经水计量信息技术有限公司 | A kind of 90 ° of iso-diameter elbows |
| CN206112367U (en) * | 2016-11-03 | 2017-04-19 | 胜利油田胜兴集团有限责任公司 | A combination elbow for serving as a contrast mould oil pipeline |
| CN107385545A (en) * | 2017-06-26 | 2017-11-24 | 杭州师范大学 | Preparation method and the application of copolyesteramide and its fiber that a kind of graphene oxide is modified |
| CN206918523U (en) * | 2017-07-17 | 2018-01-23 | 天津市志强管业制造有限公司 | A kind of polyethylene pipe of impact resistance |
| CN207514467U (en) * | 2017-09-29 | 2018-06-19 | 山东艾菲尔管业有限公司 | A kind of cold expansion formula of the tight cutting ferrule of cunning lengthens Loose joint bend |
-
2018
- 2018-10-29 CN CN201811271110.6A patent/CN109237184A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208288A (en) * | 1999-11-18 | 2001-08-03 | Hitachi Metals Ltd | Anticorrosive pipe joint |
| CN103302876A (en) * | 2013-04-27 | 2013-09-18 | 恩斯盟防静电材料(镇江)有限公司 | Processing method for producing anti-static sheet through continuous process |
| CN104403313A (en) * | 2014-11-18 | 2015-03-11 | 上海聿衡新材料科技有限公司 | Polyimide composite material and preparation method thereof |
| CN205745817U (en) * | 2016-05-17 | 2016-11-30 | 昆山汉元经水计量信息技术有限公司 | A kind of 90 ° of iso-diameter elbows |
| CN206112367U (en) * | 2016-11-03 | 2017-04-19 | 胜利油田胜兴集团有限责任公司 | A combination elbow for serving as a contrast mould oil pipeline |
| CN107385545A (en) * | 2017-06-26 | 2017-11-24 | 杭州师范大学 | Preparation method and the application of copolyesteramide and its fiber that a kind of graphene oxide is modified |
| CN206918523U (en) * | 2017-07-17 | 2018-01-23 | 天津市志强管业制造有限公司 | A kind of polyethylene pipe of impact resistance |
| CN207514467U (en) * | 2017-09-29 | 2018-06-19 | 山东艾菲尔管业有限公司 | A kind of cold expansion formula of the tight cutting ferrule of cunning lengthens Loose joint bend |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Putz et al. | Effect of cross-link density on interphase creation in polymer nanocomposites | |
| US6946169B1 (en) | Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element | |
| Qu et al. | Damping, thermal, and mechanical performances of a novel semi‐interpenetrating polymer networks based on polyimide/epoxy | |
| EP1042701A1 (en) | Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element | |
| Li et al. | Curing regime-modulating insulation performance of anhydride-cured epoxy resin: A review | |
| CN110305460A (en) | A kind of PPO/LCP composite material and preparation method | |
| CN110540788A (en) | Heat-resistant epoxy anticorrosive paint and preparation method thereof | |
| CN109340486A (en) | A kind of shock resistance engineering plastics flange easy to disassemble | |
| CN109237184A (en) | A kind of isometrical engineering plastics elbow of shock resistance and its application | |
| CN107793566A (en) | A kind of thermoplastic poly benzimidazole acid imide and preparation method thereof | |
| JP4961927B2 (en) | Polyarylene sulfide resin composition and fluid piping | |
| CN110240692B (en) | Bio-based flame-retardant furan epoxy resin and preparation method thereof | |
| Na et al. | Synthesis of a novel biphenyl epoxy resin and its hybrid composite with high thermal conductivity | |
| CN102702945B (en) | Coating composition | |
| Cao et al. | In situ polymerized poly (amide imide)/multiwalled carbon nanotube composite: structural, mechanical, and electrical studies | |
| CN110595574A (en) | High-temperature-resistant magnetostrictive liquid level meter | |
| JP6812046B1 (en) | Aqueous solution of sizing agent for inorganic fibers and method for manufacturing inorganic fibers | |
| CN109296862A (en) | A kind of shock resistance high-strength engineering plastic threeway | |
| CN109340493A (en) | A kind of shock resistance type facilitates the engineering plastics threeway of connection | |
| CN109340485A (en) | A kind of high-strength impact-resistant engineering plastics flange and its application | |
| CN208845943U (en) | A kind of corrosion protective lining channel bend | |
| CN104312526B (en) | For anticorrosion two component adhesive of heat-engine plant desulfurized chimney lining and preparation method thereof | |
| CN109435396A (en) | A kind of corrosion-resistant heat insulating compound film of the elbow for engineering plastics | |
| CN109185593A (en) | A kind of anticorrosion shock resistance engineering plastics elbow | |
| CN102270530B (en) | Combined insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
|
| RJ01 | Rejection of invention patent application after publication |