CN114561088A - Reinforced foam material - Google Patents
Reinforced foam material Download PDFInfo
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- CN114561088A CN114561088A CN202111540095.2A CN202111540095A CN114561088A CN 114561088 A CN114561088 A CN 114561088A CN 202111540095 A CN202111540095 A CN 202111540095A CN 114561088 A CN114561088 A CN 114561088A
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- foaming
- matrix
- foam material
- reinforced
- reinforcing column
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- 239000006261 foam material Substances 0.000 title claims abstract description 20
- 238000005187 foaming Methods 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims description 13
- 239000003607 modifier Substances 0.000 claims description 11
- 239000004088 foaming agent Substances 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 239000006260 foam Substances 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 description 11
- 239000011208 reinforced composite material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 5
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 5
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0085—Use of fibrous compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A reinforced foam material comprises a foam matrix and a reinforcing column, wherein the reinforcing column is arranged in a mode that the reinforcing column is matched with the foam matrix 1: 0.1-20 are uniformly distributed in the foaming matrix. Compared with the existing foaming material, the reinforcing column plays an important structural supporting role in the foaming matrix; the foaming matrix plays a role in reducing weight and resisting impact to a certain extent, and the compression strength regulation range of the foaming material prepared by the invention is 0.5-20MPa, and the compression modulus range is 60-950 MPa; the regulating range of the tensile strength is 0.5-20MPa, and the regulating range of the tensile modulus is 50-1000 MPa; the shear strength regulating range is 0.1-10MPa, the shear modulus regulating range is 10-220MPa, and the prepared foam material has the advantages of high strength and low specific gravity, and is convenient for wide popularization and application.
Description
Technical Field
The invention belongs to the field of foaming materials, and particularly relates to a reinforced foaming material which is applied to wind power, ships, aerospace, building industries and the like.
Background
With the development and progress of society, the requirements of various industries on the performance of plastics are higher and higher, and people prefer materials with environmental protection, safety, light weight and high cost performance. The polymer foam material is a solid/gas composite material which takes resin as a matrix and has a large number of bubbles inside the material, and can be regarded as a gas filling material. The foaming material has light weight and high specific strength, has the functions of buffering, sound absorption, heat preservation and the like, and is widely applied to the fields of yachts, high-speed rails, automobiles, packaging, aerospace, household appliances, wind power blades and the like.
In some cases, although the polymer foaming base material can meet the requirements of buffering, heat preservation and the like, the specific strength of the material is higher, but the overall strength of the material is low, so that the wide application of the material is influenced, the reinforcement of the polymer material is a means for improving the strength of the material, generally, an inorganic material with a certain length-diameter ratio is used for reinforcing plastics, the higher the content of the inorganic material with the length-diameter ratio is, the higher the strength of the composite material is, and the application of the composite material in occasions requiring light weight is limited due to the high specific gravity of the composite material.
Disclosure of Invention
The invention provides a reinforced foaming material, which is used for solving the defects in the prior art.
The invention is realized by the following technical scheme:
a reinforced foam material comprises a foam matrix and a reinforcing column, wherein the reinforcing column is arranged in a mode that the reinforcing column is matched with the foam matrix 1: 0.1-20 are uniformly distributed in the foaming matrix.
The foam material with the composite foam matrix and the reinforcing columns has the density of 50-400kg/m3。
The reinforced foam material is prepared by adding a foaming agent into any one of PET, PETG, PLA, PA and PPS as the foam matrix, and the foaming ratio of the foam matrix is 4-30.
The foaming agent is any one or a mixture of any two or more of alkane, supercritical carbon dioxide, supercritical nitrogen and freon mixed in any proportion.
The reinforced foam material is prepared by adding a reinforcing modifier into a base material.
The reinforced foam material is characterized in that the reinforcing modifier is added in an amount of 0-50% of the total weight of the reinforcing column.
The reinforced foaming material is a mixture of any one or more than two of PET, PETG, PLA and PA mixed in any proportion.
The reinforcing and modifying agent is any one or a mixture of any two or more of glass fiber, carbon fiber and wollastonite which are mixed in any proportion.
The invention has the advantages that: compared with the existing foaming material, the reinforcing column plays an important structural supporting role in the foaming matrix; the foaming matrix plays a role in reducing weight and resisting impact to a certain extent, and the compression strength regulation range of the foaming material prepared by the invention is 0.5-20MPa, and the compression modulus range is 60-950 MPa; the regulating range of tensile strength is 0.5-20MPa, and the regulating range of tensile modulus is 50-1000 MPa; the shear strength regulating range is 0.1-10MPa, the shear modulus regulating range is 10-220MPa, and the prepared foam material has the advantages of high strength and low specific gravity, and is convenient for wide popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a report of the performance test of the foamed material prepared by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 4, the reinforcing column material is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the content of the glass fiber is 10%. The density of the composite material is 400kg/m3。
Tests show that the strength of the foaming reinforced composite material is as follows: the compressive strength is 15.4MPa, the tensile strength is 11.3MPa, and the shear strength is 8.3 MPa.
Example 2: the foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane and carbon dioxide (3:1), the foaming ratio is 30, the reinforcing column material is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the content of the glass fiber is 30%. The density of the composite material is 150kg/m3。
Tests show that the strength of the foaming reinforced composite material is as follows: the compressive strength was 5.2MPa, the tensile strength was 7.3MPa, and the shear strength was 3.5 MPa.
Example 3: the foaming matrix material of the reinforced foaming material is PET, and the foaming agent is a ringPentane with a foaming ratio of 30, a reinforcing column made of PET, a reinforcing modifier of the reinforcing column made of glass fiber with a content of 20%. The density of the composite material is 100kg/m3。
Tests show that the strength of the foaming reinforced composite material is as follows: the compressive strength was 3.5MPa, the tensile strength was 6.9MPa, and the shear strength was 3.7 MPa.
Example 4: the foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 20, the reinforcing column material is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the content of the glass fiber is 20%. The density of the composite material is 150kg/m3。
Tests show that the strength of the foaming reinforced composite material is as follows: the compressive strength was 5.0MPa, the tensile strength was 7.1MPa, and the shear strength was 3.2 MPa.
Example 5: the foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 10, the reinforcing column material is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the content of the glass fiber is 5%.
The density of the composite material is 200kg/m3。
Tests show that the strength of the foaming reinforced composite material is as follows: the regulation and control range of the compressive strength is 5.2MPa, the regulation and control range of the tensile strength is 12.3MPa, and the regulation and control range of the shear strength is 8.6 MPa.
Example 6: the foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming rate is 10, the reinforcing column material is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the content of the glass fiber is 10%. The density of the composite material is 200kg/m3。
Through testing, the strength of the foaming reinforced composite material is as follows: the compressive strength is 6.3MPa, the tensile strength is 14.2MPa, and the shear strength is 8.3 MPa.
From examples 1 to 6, it can be seen that the foam material prepared by the present invention has excellent properties, low specific gravity, and is convenient for wide popularization and application.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A reinforced foam material characterized by: the reinforcing column comprises a foaming matrix and a reinforcing column, wherein the reinforcing column is matched with the foaming matrix 1: 0.1-20 are uniformly distributed in the foaming matrix.
2. A reinforced foam material according to claim 1, wherein: the density of the foaming material compounded by the foaming substrate and the reinforcing columns is 50-400kg/m3。
3. A reinforced foam material according to claim 1, wherein: the foaming matrix is prepared by adding a foaming agent into any one of PET, PETG, PLA, PA and PPS, and the foaming multiplying power of the foaming matrix is 4-30.
4. A reinforced foam material according to claim 3, wherein: the foaming agent is any one or a mixture of more than two of alkane, supercritical carbon dioxide, supercritical nitrogen and freon mixed in any proportion.
5. A reinforced foam material according to claim 1, wherein: the reinforced column is prepared by adding a reinforced modifier into a base material.
6. A reinforced foam material according to claim 5, wherein: the addition amount of the reinforcing modifier accounts for 0-50% of the total weight of the reinforcing column.
7. A reinforced foam material according to claim 5, wherein: the base material is any one or a mixture of any two or more of PET, PETG, PLA and PA in any proportion.
8. A reinforced foam material according to claim 5, wherein: the reinforcing modifier is any one or a mixture of more than two of glass fiber, carbon fiber and wollastonite in any proportion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183695 | 2021-10-11 | ||
| CN2021111836958 | 2021-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114561088A true CN114561088A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111540095.2A Pending CN114561088A (en) | 2021-10-11 | 2021-12-16 | Reinforced foam material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4097421A (en) * | 1974-04-08 | 1978-06-27 | The Goodyear Tire & Rubber Company | Foamable structural thermoplastic polyester resins |
| JPH07268192A (en) * | 1994-03-30 | 1995-10-17 | Mitsubishi Chem Corp | Glass fiber-reinforced polyethylene terephthalate composition and injection molded product comprising the same |
| CN103507199A (en) * | 2012-06-29 | 2014-01-15 | 合肥杰事杰新材料股份有限公司 | Preparation method of thermoplastic microporous foam composite material and product thereof |
| CN107257820A (en) * | 2014-12-22 | 2017-10-17 | 巴斯夫欧洲公司 | Fibre-reinforced anisotropic foam body |
| CN109233217A (en) * | 2018-07-27 | 2019-01-18 | 会通新材料股份有限公司 | A kind of injection grade fiberglass reinforced PET micro foaming composite material and preparation method thereof |
-
2021
- 2021-12-16 CN CN202111540095.2A patent/CN114561088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4097421A (en) * | 1974-04-08 | 1978-06-27 | The Goodyear Tire & Rubber Company | Foamable structural thermoplastic polyester resins |
| JPH07268192A (en) * | 1994-03-30 | 1995-10-17 | Mitsubishi Chem Corp | Glass fiber-reinforced polyethylene terephthalate composition and injection molded product comprising the same |
| CN103507199A (en) * | 2012-06-29 | 2014-01-15 | 合肥杰事杰新材料股份有限公司 | Preparation method of thermoplastic microporous foam composite material and product thereof |
| CN107257820A (en) * | 2014-12-22 | 2017-10-17 | 巴斯夫欧洲公司 | Fibre-reinforced anisotropic foam body |
| CN109233217A (en) * | 2018-07-27 | 2019-01-18 | 会通新材料股份有限公司 | A kind of injection grade fiberglass reinforced PET micro foaming composite material and preparation method thereof |
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