CN106397973A - Hybrid fiber reinforced polypropylene composite material - Google Patents
Hybrid fiber reinforced polypropylene composite material Download PDFInfo
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- CN106397973A CN106397973A CN201610788549.0A CN201610788549A CN106397973A CN 106397973 A CN106397973 A CN 106397973A CN 201610788549 A CN201610788549 A CN 201610788549A CN 106397973 A CN106397973 A CN 106397973A
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- polypropylene
- composite material
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- assorted fibre
- copolymer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a hybrid fiber reinforced polypropylene composite material. The hybrid fiber reinforced polypropylene composite material comprises, by mass, 10 to 30% of glass fiber, 10 to 50% of carbon fiber, 2 to 5% of aramid fiber, 5 to 15% of bamboo fiber, 5 to 25% of basic magnesium sulfate whisker, 10 to 30% of polypropylene, 2 to 5% of a functional polypropylene copolymer, 3 to 6% of epoxy resin, 2 to 8% of a binder, and 5 to 30% of a filler. According to a preparation method, the self-made functional polypropylene copolymer is added as a high molecular surfactant, so that the surface tension of the hybrid fiber reinforced polypropylene composite material is increased obviously, and interfacial compatibility of polypropylene resin with glass fiber is improved; the hybrid fiber reinforced polypropylene composite material possesses relatively high elasticity modulus, tensile strength, and toughness; and material application range is widened.
Description
Technical field
The present invention relates to a kind of PP composite material, the enhanced polypropylene composite materials material of more particularly, to a kind of assorted fibre
Material.
Background technology
Hybrid composite refers to for two or more reinforcement to strengthen same matrix or multiple matrix and makes
Composite.Hybrid composite can regard the mutually compound of two or more fibers or particulate reinforced composite as.
Divide according to matrix, hybrid composite can be divided into metal-matrix hybrid composites, ceramic matrix hybrid composite material, resin base to mix
The hybrid composite that composite and multiple matrix are combined.Divide according to reinforcement, fiber hybrid composite can be divided into, mix
Miscellaneous particulate composite and fiber and confusion composite.When reinforcement and all more than one hybrid composite manner material of matrix
Material is referred to as superhybrid composite.
Hybrid composite, due to having specific strength, specific modulus height, so be Aeronautics and Astronautics product structure
Ideal material.The application of hybrid composite has not only promoted the update of aerospace field infrastructure product, and to slow
Solve the not enough problem of current international energy to play a positive role.
Fibre reinforced composites due to have the advantages that lightweight, high-strength, corrosion-resistant, can design and obtain in other field
Substantial amounts of application, deepens continuously with research, and many rationale, method have tended to perfect, and new type FRP material continues to bring out,
New opplication technology emerges in an endless stream, and the application in infrastructure construction is just presenting the trend of high speed development.In China, especially exist
Under the support of country's scientific research plan project at different levels, the research and development of FRP material and its application in infrastructure construction also obtain
To developing rapidly.Fibre reinforced materials have the property of elastomeric material, and intensity is higher, but tensile strength and toughness are poor.
In sum it is necessary to develop a kind of enhanced composite of assorted fibre.
Content of the invention
The purpose of the present invention is for the deficiencies in the prior art, provides a kind of assorted fibre enhanced polypropylene composite materials material
Material.
The present invention is achieved by the following technical solutions：
A kind of enhanced PP composite material of assorted fibre, calculates in parts by weight, comprises following components：Glass fibre
10-30%, carbon fiber 10-50%, aramid fiber 2-5%, bamboo fibre 5-15%, alkali magnesium sulfate crystal whisker 5-25%, polypropylene 10-
30%th, function polypropylene copolymer 2-5%, epoxy resin 3-6%, binding agent 2-8%, filler 5-30%.
Preferably, described binding agent is the mixture of nbr modified phenolic resinses and rubber powder.
Preferably, described filler be pyrophyllite in powder, barium sulfate, potassium feldspar, kyanite, aluminium oxide, ferrum oxide, in graphite powder
One or more.
Preferably, described glass fibre is continuous alkali-free glass fibre, its a diameter of 15-30 μm.
Preferably, described polypropylene is one of HOPP or COPP or two kinds.
Preferably, described function polypropylene copolymer is polypropylene, polyethylene base ketopyrrolidine block copolymer, its melting
Index is 2.8-7.5g/min under 230 DEG C, the test condition of 2.16Kg.
Preferably, the polyvinyl pyrrolidone weight/mass percentage composition in described function polypropylene copolymer is 60-80%.
Preferably, the preparation method of described function polypropylene copolymer is as follows：
S1. synthesize both-end base polypropylene：Isotactic polypropylene is added in excessive concentrated nitric acid, is heated to 100～120 DEG C and enters
Row back flow reaction 4.5～5.5h, then to after reactant liquor cold filtration respectively use water, acetone rinsing to pH value be 5.8～6.1,
Eliminate dry both-end base polypropylene after residual nitric acid；
S2. synthesize terminal hydroxy group polyvinyl pyrrolidone：With NVP as monomer, water as solvent, peroxide
Change hydrogen is initiator, and strong aqua ammonia is activating agent, above-mentioned material is warming up to 65～75 DEG C under nitrogen protection and carries out polyreaction
2.5～3.5h, reaction uses acetone precipitation after terminating, and precipitate is dried to obtain with terminal hydroxy group polyvinyl pyrrolidone；
S3. complex functionality polypropylene copolymer：Both-end base polypropylene and polyvinyl pyrrolidone are in mass ratio
1.8：3.0～10.0 are dissolved in Ketohexamethylene, are subsequently adding 2- chloro- 1- methylpyridinium iodide and triethylamine, and described both-end base gathers
Mass ratio between propylene, 2- chloro- 1- methylpyridinium iodide and triethylamine three is 1.6：0.25～0.5：0.1～0.5；Heat up
Carry out being cooled to room temperature to 110～125 DEG C of reaction 9～11.5h, then filter, vacuum drying obtains function Polypropylene copolymer
Thing.
The invention has the beneficial effects as follows：
(1) present invention is used as high molecular surfactant by adding homemade function polypropylene copolymer, can be obvious
Improve the surface tension of the enhanced PP composite material of assorted fibre, improve the interface compatibility of acrylic resin and glass；
(2) present invention utilizes cheap bamboo fibre and alkali magnesium sulfate crystal whisker hybrid buildup phenol-formaldehyde resin modified, sends out
Wave bamboo fibre room temperature wearability good, the good feature of alkali magnesium sulfate crystal whisker high temperature abrasion resistance, thus obtain coefficient of friction moderate,
The enhanced PP composite material of the low assorted fibre of wear rate；
(3) the enhanced PP composite material of the assorted fibre of the present invention have higher elastic modelling quantity, tensile strength and
Toughness, expands the scope of application of material.
Specific embodiment
Below the embodiment it is clear that described is clearly and completely described to the technical scheme in the embodiment of the present invention
It is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained on the premise of not making creative work, broadly falls into present invention protection
Scope.
Embodiment 1：
The invention discloses a kind of enhanced PP composite material of assorted fibre, calculate in parts by weight, comprise following
Component：
Glass fibre 10%, carbon fiber 50%, aramid fiber 2%, bamboo fibre 5%, alkali magnesium sulfate crystal whisker 5%, polypropylene
10%th, function polypropylene copolymer 5%, epoxy resin 3%, binding agent 2%, filler 8%.
Described binding agent is the nbr modified phenolic resinses of 1wt% and the rubber powder of 1wt%, and described filler is pyrophyllite
Powder, barium sulfate, potassium feldspar, the mixture of kyanite.
Described glass fibre is continuous alkali-free glass fibre, its a diameter of 15-30 μm, and described polypropylene is homopolymerization poly- third
Alkene；Described function polypropylene copolymer be polypropylene, polyethylene base ketopyrrolidine block copolymer, its melt index 230 DEG C,
It is 2.8-7.5g/min under the test condition of 2.16Kg, the polyvinyl pyrrolidone quality in described function polypropylene copolymer
Percentage composition is 60%.
Embodiment 2：
The invention discloses a kind of enhanced PP composite material of assorted fibre, calculate in parts by weight, comprise following
Component：
Glass fibre 30%, carbon fiber 10%, aramid fiber 5%, bamboo fibre 10%, alkali magnesium sulfate crystal whisker 10%, polypropylene
15%th, function polypropylene copolymer 5%, epoxy resin 5%, binding agent 3%, filler 7%.
Described binding agent is the nbr modified phenolic resinses of 2wt% and the rubber powder of 1wt%, and described filler is pyrophyllite
Powder, barium sulfate, potassium feldspar, kyanite, aluminium oxide, ferrum oxide, the mixture of graphite powder.
Described glass fibre is continuous alkali-free glass fibre, its a diameter of 15-30 μm, and described polypropylene is copolymerization poly- third
Alkene；Described function polypropylene copolymer be polypropylene, polyethylene base ketopyrrolidine block copolymer, its melt index 230 DEG C,
It is 2.8-7.5g/min under the test condition of 2.16Kg, the polyvinyl pyrrolidone quality in described function polypropylene copolymer
Percentage composition is 80%.
Embodiment 3：
The invention discloses a kind of enhanced PP composite material of assorted fibre, calculate in parts by weight, comprise following
Component：
Glass fibre 20%, carbon fiber 20%, aramid fiber 5%, bamboo fibre 7%, alkali magnesium sulfate crystal whisker 13%, polypropylene
11%th, function polypropylene copolymer 3%, epoxy resin 6%, binding agent 8%, filler 7%.
Described binding agent is the nbr modified phenolic resinses of 5wt% and the rubber powder of 3wt%, and described filler is pyrophyllite
Powder, barium sulfate, potassium feldspar, aluminium oxide, the mixture of ferrum oxide.
Described glass fibre is continuous alkali-free glass fibre, its a diameter of 15-30 μm, and described polypropylene is HOPP
Mixture with COPP；Described function polypropylene copolymer is polypropylene, polyethylene base ketopyrrolidine block copolymer,
Its melt index is 2.8-7.5g/min under 230 DEG C, the test condition of 2.16Kg, poly- in described function polypropylene copolymer
Vinyl pyrrolidone weight/mass percentage composition is 70%.
Embodiment 4：
The invention also discloses the preparation method of function polypropylene copolymer, step is as follows：
S1. synthesize both-end base polypropylene：Isotactic polypropylene is added in excessive concentrated nitric acid, is heated to 120 DEG C and carries out back
Stream reaction 4.5h, then to after reactant liquor cold filtration respectively use water, acetone rinsing to pH value be 5.8, after eliminating residual nitric acid
Dry both-end base polypropylene；
S2. synthesize terminal hydroxy group polyvinyl pyrrolidone：With NVP as monomer, water as solvent, peroxide
Change hydrogen is initiator, and strong aqua ammonia is activating agent, above-mentioned material is warming up to 75 DEG C under nitrogen protection and carries out polyreaction 3.5h,
Reaction uses acetone precipitation after terminating, and precipitate is dried to obtain with terminal hydroxy group polyvinyl pyrrolidone；
S3. complex functionality polypropylene copolymer：Both-end base polypropylene and polyvinyl pyrrolidone are in mass ratio
1.8：3.0 are dissolved in Ketohexamethylene, are subsequently adding 2- chloro- 1- methylpyridinium iodide and triethylamine, described both-end base polypropylene, 2-
Mass ratio between chloro- 1- methylpyridinium iodide and triethylamine three is 1.6：0.25：0.1；It is warming up to 110 DEG C of reaction 11.5h
After carry out being cooled to room temperature, then filter, vacuum drying obtain function polypropylene copolymer.
Embodiment 5：
The invention also discloses the preparation method of function polypropylene copolymer, step is as follows：
S1. synthesize both-end base polypropylene：Isotactic polypropylene is added in excessive concentrated nitric acid, is heated to 100 DEG C and carries out back
Stream reaction 5.5h, then to after reactant liquor cold filtration respectively use water, acetone rinsing to pH value be 6.1, after eliminating residual nitric acid
Dry both-end base polypropylene；
S2. synthesize terminal hydroxy group polyvinyl pyrrolidone：With NVP as monomer, water as solvent, peroxide
Change hydrogen is initiator, and strong aqua ammonia is activating agent, above-mentioned material is warming up to 75 DEG C under nitrogen protection and carries out polyreaction 3.5h,
Reaction uses acetone precipitation after terminating, and precipitate is dried to obtain with terminal hydroxy group polyvinyl pyrrolidone；
S3. complex functionality polypropylene copolymer：Both-end base polypropylene and polyvinyl pyrrolidone are in mass ratio
1.8：10.0 are dissolved in Ketohexamethylene, are subsequently adding 2- chloro- 1- methylpyridinium iodide and triethylamine, described both-end base polypropylene,
Mass ratio between 2- chloro- 1- methylpyridinium iodide and triethylamine three is 1.6：0.5：0.5；After being warming up to 125 DEG C of reaction 9h
Carry out being cooled to room temperature, then filter, vacuum drying obtains function polypropylene copolymer.
After tested, the performance of the enhanced PP composite material of assorted fibre such as following table institute in embodiments of the invention 1-3
Show：
The invention has the beneficial effects as follows：
(1) present invention is used as high molecular surfactant by adding homemade function polypropylene copolymer, can be obvious
Improve the surface tension of the enhanced PP composite material of assorted fibre, improve the interface compatibility of acrylic resin and glass；
(2) present invention utilizes cheap bamboo fibre and alkali magnesium sulfate crystal whisker hybrid buildup phenol-formaldehyde resin modified, sends out
Wave bamboo fibre room temperature wearability good, the good feature of alkali magnesium sulfate crystal whisker high temperature abrasion resistance, thus obtain coefficient of friction moderate,
The enhanced PP composite material of the low assorted fibre of wear rate；
(3) the enhanced PP composite material of the assorted fibre of the present invention have higher elastic modelling quantity, tensile strength and
Toughness, expands the scope of application of material.
The above is the preferred embodiment of the present invention it should be noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of enhanced PP composite material of assorted fibre, calculates in parts by weight, comprises following components：Glass fibre
10-30%, carbon fiber 10-50%, aramid fiber 2-5%, bamboo fibre 5-15%, alkali magnesium sulfate crystal whisker 5-25%, polypropylene 10-
30%th, function polypropylene copolymer 2-5%, epoxy resin 3-6%, binding agent 2-8%, filler 5-30%.
2. the enhanced PP composite material of a kind of assorted fibre according to claim 1 is it is characterised in that described bonding
Agent is the mixture of nbr modified phenolic resinses and rubber powder.
3. a kind of enhanced PP composite material of assorted fibre according to claim 1 and 2 is it is characterised in that described
Filler is one or more of pyrophyllite in powder, barium sulfate, potassium feldspar, kyanite, aluminium oxide, ferrum oxide, graphite powder.
4. the enhanced PP composite material of a kind of assorted fibre according to claim 3 is it is characterised in that described glass
Fiber is continuous alkali-free glass fibre, its a diameter of 15-30 μm.
5. a kind of enhanced PP composite material of assorted fibre according to claim 4 is it is characterised in that described poly- third
Alkene is one of HOPP or COPP or two kinds.
6. the enhanced PP composite material of a kind of assorted fibre according to claim 1 is it is characterised in that described function
Polypropylene copolymer is polypropylene, polyethylene base ketopyrrolidine block copolymer, and its melt index is in the survey of 230 DEG C, 2.16Kg
It is 2.8-7.5g/min under the conditions of examination.
7. the enhanced PP composite material of a kind of assorted fibre according to claim 6 is it is characterised in that described function
Polyvinyl pyrrolidone weight/mass percentage composition in polypropylene copolymer is 60-80%.
8. the enhanced PP composite material of a kind of assorted fibre according to claim 7 is it is characterised in that described function
The preparation method of polypropylene copolymer is as follows：
S1. synthesize both-end base polypropylene：Isotactic polypropylene is added in excessive concentrated nitric acid, is heated to 100～120 DEG C and carries out back
Stream reaction 4.5～5.5h, then to using water, acetone rinsing to pH value to be 5.8～6.1 after reactant liquor cold filtration respectively, eliminates
Dry both-end base polypropylene after residual nitric acid；
S2. synthesize terminal hydroxy group polyvinyl pyrrolidone：With NVP as monomer, water as solvent, hydrogen peroxide
For initiator, strong aqua ammonia is activating agent, by above-mentioned material be warming up under nitrogen protection 65～75 DEG C carry out polyreaction 2.5～
3.5h, reaction uses acetone precipitation after terminating, and precipitate is dried to obtain with terminal hydroxy group polyvinyl pyrrolidone；
S3. complex functionality polypropylene copolymer：Both-end base polypropylene and polyvinyl pyrrolidone are 1.8 in mass ratio：3.0
～10.0 are dissolved in Ketohexamethylene, are subsequently adding 2- chloro- 1- methylpyridinium iodide and triethylamine, described both-end base polypropylene, 2-
Mass ratio between chloro- 1- methylpyridinium iodide and triethylamine three is 1.6：0.25～0.5：0.1～0.5；It is warming up to 110～
Carry out being cooled to room temperature after 125 DEG C of reaction 9～11.5h, then filter, vacuum drying obtains function polypropylene copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788549.0A CN106397973A (en) | 2016-08-30 | 2016-08-30 | Hybrid fiber reinforced polypropylene composite material |
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| CN201610788549.0A CN106397973A (en) | 2016-08-30 | 2016-08-30 | Hybrid fiber reinforced polypropylene composite material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239338A (en) * | 2017-12-30 | 2018-07-03 | 江苏华友装饰工程有限公司 | Preparation method of tensile and corrosion-resistant strapping tape |
| WO2018218423A1 (en) * | 2017-05-27 | 2018-12-06 | 江苏莘翔机电有限公司 | Hybrid fiber reinforced polypropylene composite material |
| CN110938304A (en) * | 2019-12-17 | 2020-03-31 | 湖南工程学院 | Hybrid fiber composite material and preparation method thereof |
| CN113444268A (en) * | 2021-07-12 | 2021-09-28 | 横店集团得邦工程塑料有限公司 | High-performance reinforced PP (polypropylene) material for automobile fan and preparation method thereof |
| CN113930014A (en) * | 2021-10-21 | 2022-01-14 | 润华(江苏)新材料有限公司 | Para-aramid pulp reinforced polypropylene resin composite material and preparation method thereof |
| CN115322476A (en) * | 2022-07-14 | 2022-11-11 | 江苏金发科技新材料有限公司 | Flame-retardant polypropylene composition and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218423A1 (en) * | 2017-05-27 | 2018-12-06 | 江苏莘翔机电有限公司 | Hybrid fiber reinforced polypropylene composite material |
| CN108239338A (en) * | 2017-12-30 | 2018-07-03 | 江苏华友装饰工程有限公司 | Preparation method of tensile and corrosion-resistant strapping tape |
| CN110938304A (en) * | 2019-12-17 | 2020-03-31 | 湖南工程学院 | Hybrid fiber composite material and preparation method thereof |
| CN113444268A (en) * | 2021-07-12 | 2021-09-28 | 横店集团得邦工程塑料有限公司 | High-performance reinforced PP (polypropylene) material for automobile fan and preparation method thereof |
| CN113444268B (en) * | 2021-07-12 | 2022-06-14 | 横店集团得邦工程塑料有限公司 | High-performance reinforced PP (polypropylene) material for automobile fan and preparation method thereof |
| CN113930014A (en) * | 2021-10-21 | 2022-01-14 | 润华(江苏)新材料有限公司 | Para-aramid pulp reinforced polypropylene resin composite material and preparation method thereof |
| CN115322476A (en) * | 2022-07-14 | 2022-11-11 | 江苏金发科技新材料有限公司 | Flame-retardant polypropylene composition and preparation method and application thereof |
| CN115322476B (en) * | 2022-07-14 | 2023-10-03 | 江苏金发科技新材料有限公司 | Flame-retardant polypropylene composition and preparation method and application thereof |
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Application publication date: 20170215 |