CN106476299A - A kind of controlled thermoplastic composite honeycomb board of continuous fiber content and preparation method - Google Patents
A kind of controlled thermoplastic composite honeycomb board of continuous fiber content and preparation method Download PDFInfo
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- CN106476299A CN106476299A CN201611060449.2A CN201611060449A CN106476299A CN 106476299 A CN106476299 A CN 106476299A CN 201611060449 A CN201611060449 A CN 201611060449A CN 106476299 A CN106476299 A CN 106476299A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
- B29C70/506—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands and impregnating by melting a solid material, e.g. sheet, powder, fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
- B29K2025/04—Polymers of styrene
- B29K2025/06—PS, i.e. polystyrene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Abstract
The invention belongs to thermoplastic composite preparing technical field, disclose controlled thermoplastic composite honeycomb board of a kind of continuous fiber content and preparation method thereof.Preparation method of the present invention comprises the following steps：Continuous fiber and resin fibre are launched respectively, winds after blending, obtain bundle of composite fibers, it is woven to composite fiber fabric, heat treatment, composite fiber fabric after each up and down laminated multi-layer heat treatment of cellular board, a step hot pressing is combined and obtains thermoplastic composite honeycomb board；Heat treatment refers to composite fiber fabric is carried out baking the affected part after applying some drugs process, and the temperature that baking the affected part after applying some drugs are processed is between the heat distortion temperature of resin and melt temperature.The present invention solves the fiber problem that is uniformly dispersed in the composite, realizes a large amount of fillings of fiber up to 70%, and the sheet material preparing has excellent strength and stiffness, is suitable for the requirement of different field.Hot pressing intermittent fever deformation retract is solved the problems, such as by heat treatment, obtains sheet material without hot pressing and obtain sheet material again, a step hot pressing can obtain sheet material.
Description
Technical field
The invention belongs to thermoplastic composite preparing technical field, particularly to a kind of controlled heat of continuous fiber content
Plasticity composite honeycomb sheet material and preparation method thereof.
Background technology
Continuous fiber (such as glass, carbon fibre etc.) strengthens thermoplastic composite, comes from carbon fiber-reinforced thermosetting resin pre-
Leaching material, but it has more preferable shock resistance and moulding processability than prepreg.The product of early stage is with polyether-ether-ketone (PEEK)
Contour performance engineering plastics substitute thermosetting resin and are used for Aero-Space and war products, in recent years impregnate skill with thermoplastic resin
The diffusion of art, resin matrix expands to polypropylene (PP) from engineering plastics, the general-purpose thermoplastic plastic such as polyester (PET), not only greatly
Reduce greatly the price of plastic sheet, also significantly reduce the requirement that technique moulded by plastic sheet to one-tenth.The application of plastic sheet to
The fields such as automobile, transport, building materials, Leisure Sport are developed, and the species of fiber also extends to the various fiber such as carbon fibre from glass,
Thus becoming one of product with fastest developing speed in composite markets.
Continuous fiber reinforced thermoplastic composite material, its production method has many kinds, but key is intended to resolve continuous fibre
The combination of peacekeeping thermoplastic, and continuous fiber being uniformly distributed in thermoplastic, meanwhile, control continuous fiber
Content to adapt to different purposes.Existing research mainly has three kinds, and (1) is insertion fiber in the middle of thermoplastic resin sheet
Felt becomes TP/mat/TP sandwich material, and hot repressing obtains sheet material；(2) it is in glass fibers by thermoplastic resin extrusion uniform fold
Wei Bu (or felt) surface, heats roll-in using hot-pressing roller, carries out pre-preg to glass fabric (or felt)；(3) it is using melting
Resin carries out pre-preg to glass fibre, is used for hot pressing with its fabric for base material.But, all there is various asking in above method
, due to fiber felt and interlaminar resin poor compatibility, the sheet metal layer that hot pressing obtains is weak with inter-layer bonding force, easily goes out for topic, such as method (1)
Existing peeling；Method (2) although in pre-preg has been carried out to glass fabric (or felt), to improve the knot of itself and resin matrix
Make a concerted effort, but its dipping effect is mainly carried out on surface, be difficult to make glass in an intermediate position disperse and be impregnated, so
Dipping effect is undesirable；And method (3) although in dipping cladding is first carried out to glass bundle, because single bundle glass bundle is only in face
Upper resin-coated, the glass within fibre bundle cannot impregnate, and interaction force is weak, and resin-coated amount is big, has a strong impact on glass
Fine loading is it is impossible to realize filling thus obtaining excellent reinforced effects in a large number.The present invention is by continuous fiber and resin fibre
After expansion, blending winding, to produce all kinds of continuous fiber reinforced thermoplastic composite material base materials using the method weaved cotton cloth, and leads to
After Overheating Treatment, a step hot pressing obtains corresponding sheet material, including the middle composite honeycomb sheet material containing honeycomb interlayer, its continuous fiber
Content is controlled, can be used for different fields.
Content of the invention
In order to overcome shortcoming and the deficiency of above-mentioned prior art, the primary and foremost purpose of the present invention is to provide a kind of continuous fiber
The preparation method of the controlled thermoplastic composite honeycomb board of content.
Another object of the present invention is the thermoplastic composite honeycomb providing continuous fiber content prepared by said method controlled
Sheet material.
The purpose of the present invention is realized by following proposal：
A kind of preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content comprises the following steps：
Continuous fiber and resin fibre are launched respectively, winds after blending, obtain bundle of composite fibers, be woven to compound
Fabric, heat treatment, composite fiber fabric after each up and down laminated multi-layer heat treatment of cellular board, a step hot pressing is combined and obtains
Thermoplastic composite honeycomb board；
Described heat treatment refers to composite fiber fabric is carried out baking the affected part after applying some drugs process, and the temperature that described baking the affected part after applying some drugs are processed is the heat change of resin
Between shape temperature and melt temperature, the time of described heat treatment can be 12～48h.
The present invention passes through the composite fiber fabric that braiding is obtained between the heat distortion temperature and melt temperature of its resin
At a temperature of carry out heat treatment, efficiently solve the thermal deformation that fabric produces in hot pressing and shrink problem, need not be first by base material heat
Pressure obtains sheet material hot repressing and obtains sheet material, can be obtained the sheet material of ungauged regions deformation by base material one step hot pressing, and how second highest eliminate
The impact of the material property that warm pressure causes, is further ensured that the excellent properties of material.
Wind after expansion of the present invention, blending on unidirectional after preferably continuous fiber and resin fibre being launched respectively
Lower stacking, carrying out rolling using roller makes its mix homogeneously wind again, obtains bundle of composite fibers.
Further, described continuous fiber can be one or more fiber, can be such as glass fibre, carbon fiber, high silicon
Oxygen fiber, quartz fibre, basalt fibre, high polymer fibre, metallic fiber, metal-oxide fiber etc..
Further, described continuous fiber is first surface-treated.The described table being surface-treated as this area routine
Face is processed, and is such as processed using surface conditioning agent.Those skilled in the art all know, fibre bundle and the resin material compatibility
Extreme difference, it is using being front required to be processed using surface conditioning agent.The present invention is using conventional surface conditioning agent to fibre bundle
Carry out conventional treatment.
Further, a diameter of 5～20 μm of described continuous fiber.
Described resin fibre is to make, by thermoplastic resin wire drawing, the fiber obtaining.Described thermoplastic resin can be poly-
Ethylene (PE), polypropylene (PP), poly- to two polyethylene terephthalate alcohol (PET), polystyrene (PS), polyamide (PA), poly- carbon
Acid esters (PC) etc..
Further, described resin fibre also include above-mentioned thermoplastic resin modified after the modified resin that obtains fine
Dimension, such as obtains modified resin fiber by carrying out wire drawing again after thermoplastic resin and other modified additive mixed processing.Described other
Auxiliary agent may include but be not limited to fire retardant, antistatic additive, age resister etc., thus giving composite honeycomb sheet material properties.
Described composite fiber fabric can be obtained by woven.
Described composite fiber fabric is preferably bi-axial fabric, using 0 °, 90 ° of form.
Described hot pressing is the conventional hot-press method in this area, including machine pressure hot pressing, pressure roller hot pressing, double steel band heat
Pressure, vacuum bag hot press or other can implement the mode of hot pressing, preferably pressure roller hot pressing.
The present invention provides the continuous fiber reinforced thermoplastic composite honeycomb sheet material that said method prepares.
The present invention passes through to launch respectively to carry out blending winding again by continuous fiber and resin fibre, because being made using roller rolling
Resin fibre is dispersed between fiber, solves the fiber problem that is uniformly dispersed in the composite, and is made by adjustment
The loading of the ratio effective control continuous fiber of continuous fiber and resin fibre.Fiber of the present invention and resin fibre launch
Blending is sufficiently impregnated with it is only necessary to adding a small amount of resin fibre and can achieve to fiber, achievable fiber up to 70% a large amount of
Filling, the sheet material preparing has excellent strength and stiffness, is suitable for the requirement of different field.And can due to being uniformly distributed
Effectively improving the associativity of itself and fiber, thus realizing excellent combination effect, solving various fibers and thermoplastic resin
Interface cohesion problem.
And the present invention by composite fiber fabric between the heat between the heat distortion temperature and melt temperature of its resin fibre
Handling process, efficiently solves the thermal deformation contraction problem that fabric produces in hot pressing, a step hot pressing can obtain ungauged regions deformation
Sheet material, and need not move through first production sheet, reproduction sheet material, the step simplifying material hot pressing, substantially increase production effect
Rate, saves mass energy.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Used in the following example, reagent all can obtain from commercial channel.
Embodiment 1
A kind of preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content, comprises the following steps：
The continuous glass fibre buying a diameter of 5～20 μm returning is surface-treated using surface conditioning agent.
After processing, continuous glass fibre and PP resin fibre launch respectively, and unidirectional stacked on top of one another is rolled using roller
Pressure makes its mix homogeneously wind again, obtains bundle of composite fibers.Woven braiding is utilized to adopt 0 °, 90 ° of form obtains twin shaft
To composite fiber fabric, at 90 DEG C, baking the affected part after applying some drugs process 24h, in the composite fibre after respectively 3 layers of baking the affected part after applying some drugs of stacking are processed up and down of cellular board
Fabric, pressure roller hot pressing is combined, and obtains thermoplastic composite honeycomb board.
Wherein, the mass ratio of described continuous glass fibre and PP resin fibre is 30：70.
Correlated performance test is carried out to gained sheet material, the results are shown in Table 1.
Embodiment 2
A kind of preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content, comprises the following steps：
The continuous glass fibre buying a diameter of 5～20 μm returning is surface-treated using surface conditioning agent.
After processing, continuous glass fibre and PP resin fibre launch respectively, and unidirectional stacked on top of one another is rolled using roller
Pressure makes its mix homogeneously wind again, obtains bundle of composite fibers.Woven braiding is utilized to adopt 0 °, 90 ° of form obtains twin shaft
To composite fiber fabric, at 90 DEG C, baking the affected part after applying some drugs process 24h, in the composite fibre after respectively 3 layers of baking the affected part after applying some drugs of stacking are processed up and down of cellular board
Fabric, pressure roller hot pressing is combined, and obtains thermoplastic composite honeycomb board.
Wherein, the mass ratio of described continuous glass fibre and PP resin fibre is 60：40.
Correlated performance test is carried out to gained sheet material, the results are shown in Table 1.
Embodiment 3
A kind of preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content, comprises the following steps：
The continuous glass fibre buying a diameter of 5～20 μm returning is surface-treated using surface conditioning agent.
After processing, continuous glass fibre and PP resin fibre launch respectively, and unidirectional stacked on top of one another is rolled using roller
Pressure makes its mix homogeneously wind again, obtains bundle of composite fibers.Woven braiding is utilized to adopt 0 °, 90 ° of form obtains twin shaft
To composite fiber fabric, at 90 DEG C, baking the affected part after applying some drugs process 24h, in the composite fibre after respectively 3 layers of baking the affected part after applying some drugs of stacking are processed up and down of cellular board
Fabric, pressure roller hot pressing is combined, and obtains thermoplastic composite honeycomb board.
Wherein, the mass ratio of described continuous glass fibre and PP resin fibre is 70：30.
Correlated performance test is carried out to gained sheet material, the results are shown in Table 1.
Comparative example 1
Insertion glass mat sandwich material in the middle of two-layer PP resin base material, hot pressing obtains sheet material, wherein fiber filling
Measure as 50%, be respectively laminated 3 layer of sheet material up and down in cellular board, pressure roller hot pressing again is combined, and obtains sheet material.
Correlated performance test is carried out to gained sheet material, result shows in the case of the identical number of plies and sheet metal thickness, this
The sheet material various performance parameters that bright method obtains are significantly improved, and the sheet material that obtains of comparative example 1 to there is piece interlayer easy-peel
From phenomenon.
Comparative example 2
Using PP, continuous glass-fiber is carried out with unidirectional pre-preg, recycle woven braiding to adopt 0 °, 90 ° of form obtains twin shaft
To composite fiber fabric, respectively it is laminated 3 layer of sheet material up and down in cellular board, pressure roller hot pressing is combined, and obtains sheet material.
Correlated performance test is carried out to gained sheet material, result shows, in the case of the identical number of plies and sheet metal thickness, this
The sheet material various performance parameters that bright method obtains are significantly improved, and the resin-coating due to dipping of comparative example 2 is in fibre
Dimension bundle surface, in composite fiber fabric, glass fibre filling amount only up to be 50%, and its resin demand is big, leads to continuous glass-fiber to be filled
Amount cannot be lifted, and the embodiment of the present invention can control continuous glass-fiber loading and is up to 70%, thus obtaining with respect to prior art
More excellent technique effect.
The performance parameter of table 1 continuous fiber reinforced thermoplastic composite honeycomb sheet material
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to above-described embodiment
Limit, other any spirit without departing from the present invention and the change made under principle, modification, replacement, combine, simplify,
All should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (10)
1. a kind of preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content is it is characterised in that include following walking
Suddenly：
Continuous fiber and resin fibre are launched respectively, winds after blending, obtain bundle of composite fibers, be woven to composite fibre
Fabric, heat treatment, composite fiber fabric after each up and down laminated multi-layer heat treatment of cellular board, a step hot pressing is combined and obtains thermoplastic
Property composite honeycomb sheet material；
Described heat treatment refers to composite fiber fabric is carried out baking the affected part after applying some drugs process, and the temperature that described baking the affected part after applying some drugs are processed is the thermal deformation temperature of resin
Between degree and melt temperature.
2. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：The time of described heat treatment is 12～48h.
3. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：Wind after described expansion, blending be continuous fiber and resin fibre are launched respectively after unidirectional stacked on top of one another, adopt
Roller carries out rolling makes its mix homogeneously wind again, obtains bundle of composite fibers.
4. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：Described continuous fiber is one or more fiber.
5. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：Described fiber be glass fibre, carbon fiber, high silica fiber, quartz fibre, basalt fibre, high polymer fibre,
Metallic fiber or metal-oxide fiber.
6. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：A diameter of 5～20 μm of described continuous fiber；Described resin fibre is to be made by thermoplastic resin wire drawing to obtain
Fiber；Described thermoplastic resin is polyethylene, polypropylene, poly- to two polyethylene terephthalate alcohol, polystyrene, polyamide
Or Merlon.
7. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：Described resin fibre also includes the modified resin fiber that described thermoplastic resin modified rear wire drawing is made to.
8. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 7, it is special
Levy and be：Described modification refers to thermoplastic resin and other modified additive mixed processing；Other described auxiliary agents include fire-retardant
Agent, antistatic additive or age resister.
9. the preparation method of the controlled thermoplastic composite honeycomb board of continuous fiber content according to claim 1, it is special
Levy and be：Described composite fiber fabric passes through woven obtaining；Described composite fiber fabric is bi-axial fabric, using 0 °, 90 °
Form.
10. a kind of continuous fiber reinforced thermoplastic composite honeycomb sheet material is it is characterised in that according to any one of claim 1～9 institute
The preparation method stated obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611060449.2A CN106476299A (en) | 2016-11-28 | 2016-11-28 | A kind of controlled thermoplastic composite honeycomb board of continuous fiber content and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736848A (en) * | 2016-03-16 | 2016-07-06 | 刘志光 | High-temperature and high-pressure resistant tempered PP-RCT composite pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036741A (en) * | 2008-05-21 | 2011-04-27 | 三菱丽阳株式会社 | Hollow porous membrane and process for producing the same |
| JP2014037639A (en) * | 2012-08-13 | 2014-02-27 | Asahi Kasei Fibers Corp | Composite yarn fabric |
-
2016
- 2016-11-28 CN CN201611060449.2A patent/CN106476299A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036741A (en) * | 2008-05-21 | 2011-04-27 | 三菱丽阳株式会社 | Hollow porous membrane and process for producing the same |
| JP2014037639A (en) * | 2012-08-13 | 2014-02-27 | Asahi Kasei Fibers Corp | Composite yarn fabric |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736848A (en) * | 2016-03-16 | 2016-07-06 | 刘志光 | High-temperature and high-pressure resistant tempered PP-RCT composite pipe |
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