CN106188447A - A kind of carbon fibre reinforcement and preparation method thereof - Google Patents
A kind of carbon fibre reinforcement and preparation method thereof Download PDFInfo
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- CN106188447A CN106188447A CN201610633663.6A CN201610633663A CN106188447A CN 106188447 A CN106188447 A CN 106188447A CN 201610633663 A CN201610633663 A CN 201610633663A CN 106188447 A CN106188447 A CN 106188447A
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- 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
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08J2361/14—Modified phenol-aldehyde condensates
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Abstract
The present invention relates to a kind of carbon fibre reinforcement, described carbon fibre reinforcement includes following component: modified carbon fiber 5 15 weight portion, reactive phosphorus nitrile compound 2 10 weight portion of sulfur-bearing, phenolic resin 50 70 weight portion, catalyst 15 weight portion, filler 20～50 weight portion, firming agent 10～15 weight portion, coupling agent 1～5 weight portion；Wherein phenolic resin adds with the monomeric form of aldehyde and phenol, and formaldehyde and mol ratio >=1.6 of phenol, and described catalyst is base catalyst；Described modified carbon fiber is the carbon fiber after oxidized dose of oxidation and coupling agent coupling.The reactive phosphorus nitrile compound of the sulfur-bearing of modified carbon fiber of the present invention and addition is respectively provided with reactive group, can be grafted with the molecular weight of phenolic resin, the compatibility is good, while improving phenolic resin intensity and anti-flammability, on its machining property, pliability and does not electrically affect.
Description
Technical field
The invention belongs to carbon fibre reinforcement technical field, be specifically related to a kind of carbon fibre reinforcement and preparation side thereof
Method, particularly relates to a kind of carbon fiber reinforced phenolic resin material and preparation method thereof.
Background technology
Phenolic resin (PF) raw material sources enriches, cheap, and production technology is simple, have excellence mechanical performance,
Thermostability, electrical insulating property, dimensional stability, molding processibility and anti-flammability, product size good stability, electrical insulation capability are excellent
Good, be fuming few, it has also become the indispensable material of industrial department, relevant at automobile, household electrical appliances, electric, iron and steel and house etc.
Industry obtains application widely.Phenolic resin is used for preparing phenolaldehyde moulding compound as matrix resin, and (phenolic resin is combined
Material) it is the important applied field of phenolic resin, account for more than the 20% of total consumption.Phenolaldehyde moulding compound is good resistance to owing to having
Heat, electric insulation, dimensionally stable, the performance such as corrosion-resistant, be widely used.
A large amount of smog is discharged when burning for phenolic resin and poisonous, corrosive gas is the danger in fire
Factor, hampers people's safe escape and fire-fighting work, makes lives and properties suffer heavy losses.But add in phenolic resin
The inorganic fire-retarded materials such as the metal hydroxides containing water of crystallization such as aluminium hydroxide hydrate, magnesium hydroxide hydrate, Yi Jixiang
Material system adds the side of the higher organic fire-resisting material of the content of halogen such as brominated bisphenol A, brominated bisphenol a type epoxy resin
Method, makes product reach required fire resistance or grade.In order to improve the fire-retardant of these organic chemicalss containing halogen
Property, the most usually add such as inorganic fire-retarded materials disagreeableness to environment such as antimony oxides in system.Halogen-containing flame retardant
Matter can produce the noxious substance (such as dioxin organic halogen chemical substance) without degradability or difficult degradation when burning, pollutes ring
Border, affect the mankind and animal health.Because adding organophosphorus ester and/or phosphorus nitrogen expansion type fire retardant in the material of prior art
System, causes the mechanical property of materials to decline to a great extent, the shortcomings such as flame retardant rating is low, and temperature resistant grade is low.
For prior art add fire retardant, due to phenolic resin as matrix resin poor compatibility, cause its intensity to reduce, existing
Technology further accounts for being added thereto to carbon fibre material and improves the intensity of phenolic resin, but same because consistency problem causes soft
Property and mechanical performance decline.
Summary of the invention
It is an object of the invention to provide a kind of carbon fibre reinforcement, described carbon fibre reinforcement includes following group
Point:
Modified carbon fiber 5-15 weight portion
The reactive phosphorus nitrile compound 2-10 weight portion of sulfur-bearing
Phenolic resin 50-70 weight portion
Catalyst 1-5 weight portion
Filler 20～50 weight portion
Firming agent 10～15 weight portion
Coupling agent 1～5 weight portion；
Wherein phenolic resin adds with the monomeric form of aldehyde and phenol, and formaldehyde and mol ratio >=1.6 of phenol, and described catalysis
Agent is base catalyst；
Described modified carbon fiber is the carbon fiber after oxidized dose of oxidation and coupling agent coupling.
Preferably, the reactive phosphorus nitrile compound of described sulfur-bearing has a molecular structure as shown in formula I:
In formula I, R2Representing arbitrary organic group, Z is inertia nucleophilic group, and R is reactive nucleophilic group, and M is ring three
Phosphonitrile base M1, ring more than four phosphonitrile base M2Or non-annularity polyphosphazene base M3In one and combination in any；
A is the integer more than or equal to zero, b and c is the integer more than or equal to 1, and a, b and c three's sum is phosphorus atoms in M
2 times of number.
Preferably, R2Represent substituted or unsubstituted straight chained alkyl or branched alkyl, substituted or unsubstituted cycloalkyl, take
Generation or unsubstituted aralkyl, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl in any one or its extremely
The combination of few two kinds；
Preferably, Z is selected from-OR14、-SR15、-C≡C-R6、-O-NO2,-I orIn any one or the combination of at least two；
Wherein, R14、R15、R3、R4、R5、R6、R13、R16、R11And R12All independently be substituted or unsubstituted straight chained alkyl
Or branched alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted alkoxyl, take
Generation or unsubstituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, substituted or unsubstituted aralkoxy, replacement or do not take
The alkyl-aryloxy in generation, substituted or unsubstituted carbonate group, substituted or unsubstituted sulfonate group, substituted or unsubstituted phosphine
Any one in perester radical, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl；
Preferably, described R is selected from-O-R20-OH、-O-R21-SH、-O-R22-NH-R23、-S-R24-OH、-S-R26-SH、-S-R28-NH-R29OrIn any one or the combination of at least two, preferably-O-R20-OH；
Wherein, R20、R21、R22、R24、R25、R26、R27、R28And R30All independently be substituted or unsubstituted straight chained alkyl or
Branched alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted alkoxyl, replacement
Or unsubstituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, substituted or unsubstituted aralkoxy, replacement or unsubstituted
Alkyl-aryloxy, substituted or unsubstituted carbonate group, substituted or unsubstituted sulfonate group, substituted or unsubstituted phosphonic acids
Any one in ester group, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl, R23、R29And R31The most independently
For hydrogen atom, substituted or unsubstituted straight chained alkyl or branched alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted
Aralkyl, substituted or unsubstituted alkoxyl, substituted or unsubstituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, take
Generation or unsubstituted aralkoxy, substituted or unsubstituted alkyl-aryloxy, substituted or unsubstituted carbonate group, replacement or not
Substituted sulfonate group, substituted or unsubstituted phosphonate group, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl
Any one in base；R20It is preferably substituted or non-substituted phenyl ring, thick aromatic ring or many aromatic rings, more preferably phenylbenzene
Ring, more preferably
Preferably, M1Structure is:
M2Structure is:
Wherein, x is more than or equal to 4；
M3Structure is:
Wherein, y is more than or equal to 3.
Should hand over, at M1And M2In the expression of structural formula, occurred symbolIt is only to " ring-type "
A kind of signal of structure.M1、M2And M3InThe key connected on middle P atom only represents substituent group in three
Replace and occur on P atom, be not to be construed as the expression of methyl.
In the flame-retardant compound of the present invention, it should be understood that the group being connected with M is attached on the phosphorus atoms of M,
I.e. M1、M2And M3Side base on phosphorus atoms in structure.Further illustrate, M1、M2And M3Structure is occurred on P atom
Two singly-bounds are not to be construed as two methyl, and these two singly-bounds are merely representative of M1、M2And M3Side base is connected by P atom.M is permissible
Connect the phosphorus atoms of same position, it is also possible to connect the phosphorus atoms of diverse location.
Preferably, M comprises the ring three phosphonitrile base M of at least 50wt%1, ring more than the four phosphonitrile base M of at most 48wt%2And
The non-annularity polyphosphazene base M of at most 48wt%3。
In the present invention, M1Content is at least 50wt%, i.e. M1Content can be 50wt～100wt%, M1Become for main body
Point.Work as M1When content is 100wt%, then do not contain M2And M3.The typical but non-limiting M of the present invention1Content can be
50wt%, 51wt%, 55wt%, 58wt%, 60wt%, 65wt%, 70wt%, 74wt%, 75wt%, 80wt%, 85wt%,
90wt%, 92wt%, 95wt%, 98wt% or 100wt%.
In the present invention, M2Content is at most 48wt%, i.e. refers to, M2Content can be 0～48wt%.Work as M2Content is
During 0wt%, i.e. refer to, do not contain M2.The typical but non-limiting M of the present invention2Content can be 0wt%, 2wt%, 5wt%,
8wt%, 11wt%, 14wt%, 17wt%, 20wt%, 23wt%, 26wt%, 29wt%, 32wt%, 35wt%, 38wt%,
42wt%, 45wt% or 48wt%.
In the present invention, M3Content is at most 48wt%, i.e. refers to, M3Content can be 0～48wt%.Work as M3Content is
During 0wt%, i.e. refer to, do not contain M3.The typical but non-limiting M of the present invention3Content can be 0wt%, 2wt%, 5wt%,
8wt%, 11wt%, 14wt%, 17wt%, 20wt%, 23wt%, 26wt%, 29wt%, 32wt%, 35wt%, 38wt%,
42wt%, 45wt% or 48wt%.
In the present invention, if M1Content is less than 50wt%, or M2More than 48wt%, then life reacted with epoxy resin
Become thing the most all can damage thermostability, resistance to water and mechanical performance.If M3Content is more than 48%, then react with epoxy resin
After product in use it would be possible to cause because viscosity is excessive using inconvenience, and make its performance because molecular weight is excessive
The bad result such as suffer damage.
Term used in the present invention " substituted " refers to that any one or more hydrogen atoms on specified atom are selected from
The substituent group of designated groups replaces, and condition is that described specified atom is less than normal valency, and substituted result is to produce to stablize
Compound.When substituent group is oxo group or ketone group (i.e.=O), then 2 hydrogen atoms on atom are replaced.Ketone replaces
Base does not exists on aromatic rings." stable compound " refers to enough separate from reactant mixture con vigore to effectively
Purity is also configured to compounds effective.
In the present invention, described Z is the inertia nucleophilic group provided by nucleopilic reagent.In the present invention, described inertia parent
Core group refers to, described nucleophilic group does not have reactivity, refers specifically to, a kind of functional group, and it is lived without common sense
Property group, it is not easy to react under conditions of conventional organic synthesis with an actual speed, is directed to the present invention
Phosphazene compound i.e. refers to, nucleopilic reagent and chloro phosphazene compound dehalogenation compound (such as NaCl, KCl, HCl etc.) react remaining
, without the reactive functional group of common sense.Carrying out nucleophilic for example with hydroquinone, obtaining O-Ar-OH, Ar is benzene
Base, owing to remaining group O-Ar-OH has reactivity, therefore, it is not belonging to the inertia nucleophilic group of the present invention.
In the present invention, described nucleopilic reagent i.e. refers to, can be with the nucleopilic reagent of halo phosphonitrile generation nucleophilic substitution.
During nucleophilic substitution, nucleopilic reagent sloughs leaving group, the halogen atom in nucleophilic group attack halo phosphonitrile, parent
Core group is connected with M.Such as, when using methanol CH3When OH is as nucleopilic reagent and halo phosphonitrile generation nucleophilic substitution,
CH3OH sloughs H+, methoxyl group CH3O-replaces the halogen atom in halo phosphonitrile, is connected with-the P in phosphonitrile, and now Z is
CH3O-。
Preferably, the reactive phosphorus nitrile compound of described sulfur-bearing is have in the phosphazene compound of following structure any one
Plant or the mixture of at least two:
(OH-Ph-O)5-M-S-Ph、(OH-Ph-O)4-M-(S-CH3)2、(OH-Ph-O)4-M-(S-Ph)2、(OH-Ph-O
)3-M-(S-Ph)3、(OH-Ph-O)2-M-(S-Ph)4、
Preferably, described phenol is phenol and/or the phenol of two degrees of functionality of three-functionality-degree；
Preferably, any a kind during described phenol is selected from phenol, methylphenol, ethyl-phenol, bisphenol-A, Bisphenol F or bisphenol S
Or the combination of at least 2 kinds；
Preferably, described aldehyde in formaldehyde, acetaldehyde, butyraldehyde, metaformaldehyde or paraformaldehyde any one or at least 2
The combination planted；
Preferably, described catalyst is selected from base catalyst, preferably sodium hydroxide, barium hydroxide, ammonia, triethylamine or urine
Any a kind or the combination of at least 2 kinds in element.
Preferably, described modified carbon fiber is prepared via a method which: by carbon fiber acetone soak, uses oxidant afterwards
Soak, finally soak with coupling agent, obtain modified carbon fiber.
Preferably, described modified carbon fiber is prepared via a method which: by carbon fiber acetone soak, washs, after drying
Soak with oxidant, scrubbed after drying with coupling agent immersion, obtain modified carbon fiber.
Preferably, described carbon fiber is selected from polyacrylonitrile carbon fiber, asphalt base carbon fiber, lignin-base carbon fiber, phenolic aldehyde
Any a kind or the combination of at least 2 kinds in base carbon fibre；
Preferably, mixed selected from potassium permanganate and the mixed solution of sulphuric acid, Ammonium persulfate. and sulphuric acid of described liquid oxidizer
Close any 1 in solution, sodium hypochlorite and the mixed solution of the mixed solution of sulphuric acid, postassium hypochlorite and sulphuric acid or salpeter solution
Plant or the combination of at least 2 kinds.
The mixed proportion of liquid oxidizer is not particularly limited by the present invention.
Preferably, described coupling agent is silane coupler and/or titanate coupling agent.
Preferably, any a kind or at least 2 kinds during described filler is selected from calcium carbonate, Pulvis Talci, mica powder, white carbon
Combination；
Preferably, described firming agent is p-methyl benzenesulfonic acid.
The two of the object of the invention are to provide the preparation method of a kind of carbon fibre reinforcement as described in one of purpose, described
Method comprises the steps:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, soak with oxidant afterwards, finally soak with coupling agent
Bubble, obtains modified carbon fiber；
(2) phenol, aldehyde, catalyst, modified carbon fiber, the reactive phosphorus nitrile compound of sulfur-bearing are pressed formula mixing and added reaction
Still, reacts 1～6h under the conditions of 90～120 DEG C, obtains carbon fiber modifying phenolic resin after dehydration；
(3) the carbon fiber modifying phenolic resin that step (2) obtains is mixed with filler, firming agent and coupling agent, Jing Guokai
Refining or extrusion, obtain carbon fibre reinforcement through over-mastication afterwards.
Compared with prior art, the method have the advantages that
The present invention selects to mix with the raw material monomer of phenolic resin through oxidant and coupling agent modified carbon fiber and carries out
Polyreaction, mixes mill with filler etc. afterwards, obtains carbon fibre reinforcement, the sulfur-bearing of described modified carbon fiber and addition
Reactive phosphorus nitrile compound is respectively provided with reactive group, it is possible to being grafted with the molecular weight of phenolic resin, the compatibility is good, is improving phenol
While urea formaldehyde intensity and anti-flammability, on its machining property, pliability and electrically do not affect.
Detailed description of the invention
Technical scheme is further illustrated below by detailed description of the invention.
Those skilled in the art, it will be clearly understood that the only help of described embodiment understands the present invention, are not construed as this
Bright concrete restriction.
Preparation example 1
Phosphonitrile structural formula is as follows:
Wherein, M is ring
Three phosphonitriles, ring three phosphonitrile is averagely replaced by 5 bisphenol-A groups and 1 phenylsulfartyl group；
Chlordene ring three phosphorus cyanogen 1mol, acetone 200ml, benzene is put in three mouthfuls of 2000ml glass reactors with agitating device
Mercaptan 1mol and bisphenol-A 5mol, stirs and leads to nitrogen and be warmed up to 60 DEG C, instill 30% hydrogen-oxygen with 60min
Change sodium solution 414g, keep 60 DEG C of temperature, stirring reaction 15 hours.After reaction, with the moisture in physical method removal system,
Refilter the insoluble matter in removal system, distill solvent in system, obtain flame-retardant compound.This purpose product is named
For A.
The modified low dielectric phosphazene compound obtained is carried out proton nmr spectra sign, and result is as follows:
1H NMR(CDCl3, 500MHz): 6.6～6.7,6.8～7.0,7.1～7.2 (benzene ring hydrogens), 1.60～1.70
(hydrogen on methyl), 5.0 (hydrogen on hydroxyl).
The position of infrared spectrum characteristic peak: the characteristic absorption peak 1217cm of P=N key in phosphazene backbone-1, P-in phosphazene backbone
N 874cm-1, P-O-C key absworption peak 1035cm-1, phenyl ring skeleton vibrations 1500～1600cm-1, methyl stretching vibration peak
2850cm-1。
Embodiment 1-1
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 60 weight portion), sodium hydroxide 3 weight
Amount part, 12 part by weight modified carbon fibers, the reactive phosphorus nitrile compound A of 5 weight portion sulfur-bearings press formula mixing and add reactor,
React 4h under the conditions of 100 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 30 parts of filler material by weight, 12 weight portion firming agent and 3
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 1-2
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 50 weight portion), sodium hydroxide 1 weight
Amount part, 15 part by weight modified carbon fibers, the reactive phosphorus nitrile compound A of 2 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 90 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 20 parts of filler material by weight, 15 weight portion firming agent and 1
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 1-3
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 70 weight portion), sodium hydroxide 5 weight
Amount part, 5 part by weight modified carbon fibers, the reactive phosphorus nitrile compound A of 10 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 120 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 50 parts of filler material by weight, 10 weight portion firming agent and 5
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 2
Phosphazene compound structural formula is as follows:
Wherein, M is ring three phosphonitrile, ring
Averagely replaced by 5 bisphenol-A groups and 1 phenylsulfartyl group on three phosphonitriles；
Chlordene ring three phosphorus cyanogen 1mol, acetone 200ml, uncle is put in three mouthfuls of 2000ml glass reactors with agitating device
Butanethiol 3mol and dimethyl bisphenol A 3mol, stirs and leads to nitrogen and be warmed up to 60 DEG C, drip with 60min
Enter 30% sodium hydroxide solution 414g, keep 60 DEG C of temperature, stirring reaction 15 hours.After reaction, use physical method removing body
Moisture in system, refilters the insoluble matter in removal system, distills solvent in system, obtains flame-retardant compound 328g.Survey
The phenolic group equivalent obtaining flame-retardant compound is 267g/eq.By the named B of this purpose product.
The modified low dielectric phosphazene compound obtained is carried out proton nmr spectra sign, and result is as follows:
1H NMR(CDCl3, 500MHz): 6.6～6.7,6.8～7.0,7.1～7.2 (benzene ring hydrogens), 1.60～1.70
(hydrogen on methyl), 5.0 (hydrogen on hydroxyl).
The position of infrared spectrum characteristic peak: the characteristic absorption peak 1217cm of P=N key in phosphazene backbone-1, P-in phosphazene backbone
N 874cm-1, P-O-C key absworption peak 1035cm-1, phenyl ring skeleton vibrations 1500～1600cm-1, methyl stretching vibration peak
2850cm-1。
Embodiment 2-1
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by methylphenol, acetaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 55 weight portion), sodium hydroxide
3 weight portions, 12 part by weight modified carbon fibers, the reactive phosphorus nitrile compound B of 5 weight portion sulfur-bearings press formula mixing and add reaction
Still, reacts 4h under the conditions of 100 DEG C, obtains carbon fiber modifying phenolic resin after dehydration；
(3) carbon fiber modifying phenolic resin step (2) obtained and 35 parts of filler material by weight, 13 weight portion firming agent and 4
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 2-2
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by bisphenol-A, formaldehyde (by formaldehyde and phenol mol ratio 1:1.7, phenolic resin 70 weight portion), sodium hydroxide 5 weight
Amount part, 15 part by weight modified carbon fibers, the reactive phosphorus nitrile compound B of 8 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 110 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 20 parts of filler material by weight, 15 weight portion firming agent and 1
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 2-3
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by Bisphenol F, acetaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 65 weight portion), sodium hydroxide 5 weight
Amount part, 5 part by weight modified carbon fibers, the reactive phosphorus nitrile compound B of 4 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 120 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 50 parts of filler material by weight, 10 weight portion firming agent and 5
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 3
Phosphazene compound structural formula is as follows:
(OH-Ph-O)4-M-(S-CH2-CH3)2Wherein, M is ring three phosphonitrile, averagely by 4 hydroxy phenyls on ring three phosphonitrile
Epoxide group and 1 methyl mercapto group group replace；
Chlordene ring three phosphorus cyanogen 1mol, acetone 200ml, first is put in three mouthfuls of 2000ml glass reactors with agitating device
Mercaptan 2mol and hydroquinone A 4mol, stirs and leads to nitrogen and be warmed up to 60 DEG C, instills 30% with 60min
Sodium hydroxide solution 414g, keeps 60 DEG C of temperature, stirring reaction 15 hours.After reaction, with in physical method removal system
Moisture, refilters the insoluble matter in removal system, distills solvent in system.By the named C of this purpose product.
Embodiment 3-1
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 60 weight portion), sodium hydroxide 3 weight
Amount part, 12 part by weight modified carbon fibers, the reactive phosphorus nitrile compound C of 6 weight portion sulfur-bearings press formula mixing and add reactor,
React 4h under the conditions of 100 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 30 parts of filler material by weight, 12 weight portion firming agent and 3
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 3-2
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 50 weight portion), sodium hydroxide 1 weight
Amount part, 15 part by weight modified carbon fibers, the reactive phosphorus nitrile compound C of 6 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 90 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 20 parts of filler material by weight, 15 weight portion firming agent and 1
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Embodiment 3-3
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 70 weight portion), sodium hydroxide 5 weight
Amount part, 5 part by weight modified carbon fibers, the reactive phosphorus nitrile compound C of 7 weight portion sulfur-bearings press formula mixing and add reactor,
React 1～6h under the conditions of 120 DEG C, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 50 parts of filler material by weight, 10 weight portion firming agent and 5
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Comparative example 1
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, washing, dried potassium permanganate and sulphuric acid (mole
Than 0.4:1) soak, scrubbed after drying with silane coupler immersion, obtain modified carbon fiber；
(2) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 60 weight portion), sodium hydroxide 3 weight
Amount part, 12 part by weight modified carbon fibers, 5 weight portion hexakis-methoxy basic ring three phosphonitriles are pressed formula mixing and are added reactor, at 100 DEG C of bars
React 4h under part, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) carbon fiber modifying phenolic resin step (2) obtained and 30 parts of filler material by weight, 12 weight portion firming agent and 3
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
Comparative example 2
A kind of carbon fibre reinforcement, is prepared via a method which:
(1) by phenol, formaldehyde (by formaldehyde and phenol mol ratio 1:1.6, phenolic resin 60 weight portion), sodium hydroxide 3 weight
Amount part, 12 parts by weight of carbon fibers, 5 weight portion hexakis-methoxy basic ring three phosphonitriles are pressed formula mixing and are added reactor, under the conditions of 100 DEG C
Reaction 4h, obtains carbon fiber modifying phenolic resin after dehydration；
(3) carbon fiber modifying phenolic resin step (2) obtained and 30 parts of filler material by weight, 12 weight portion firming agent and 3
Weight portion silane coupler mixes, and through mill or extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
The carbon fibre reinforcement of embodiment and comparative example prepares according to general copper-clad plate production process and meets GB, UL
Etc. the standard copper-clad plate sample of standard, the performance of test copper-clad plate, its result represents in table-1.
The Performance comparision of the various copper-clad plate of table-1
Table-1
Method of testing:
(1) water absorption rate
100mm × 100mm × 1.6mm sheet material is placed in the baking oven of 105 DEG C and is dried 1h, weigh after cooling and be placed on
Steaming and decocting 120min under the vapour pressure of 105kPa, finally dries and weighs and calculate water absorption rate.
(2) glass transition temperature Tg
The width of preparation test sample is about 8-12mm, a length of 60mm, arranges measurement on the resistance to DMA of the speeding Q800 of Germany
Pattern is beam mode, scanning temperature be room temperature to 200 DEG C, when reading loss tangent maximum, corresponding temperature is this sample
Glass transition temperature Tg.
(3) bending strength
Prepare the sample of 25.4mm × 63.5m, use its thickness of vernier caliper measurement, by the test of material universal testing machine
Pattern is adjusted to crooked test pattern, and setting space is 15.9mm, and test speed is 0.51mm/min, takes the flat of 3 parallel testings
Average, test temperature is respectively room temperature and 180 DEG C.
(4) peel strength measures
Copper-clad laminated board is cut into the test film of 100mm × 3mm, uses anti-stripping instrument assay device, with speed 50.8mm/
Min carries out peeling off layering, test Copper Foil and the peel strength of resin, the bonding between numerical value the biggest explanation resin and Copper Foil to Copper Foil
Power is the best.
(5) flammability is tested according to standard ANSL UL94-1985.
The test data of above table, show that fire-retardant compound of the present invention and derivant thereof are solid when using at epoxy resin
Time in change system and other system, having good anti-flammability, its solidfied material has good thermostability, resistance to water, cohesiveness
With mechanical performance, electrical property.It is good that the fire-retardant compound of the present invention belongs to low cost, abundant raw material source, properties
The environment-friendly type flame-retardant material of the novel environmental friendly of energy-saving and emission-reducing.
Applicant states, the present invention illustrates the process of the present invention by above-described embodiment, but the present invention not office
It is limited to above-mentioned processing step, does not i.e. mean that the present invention has to rely on above-mentioned processing step and could implement.Art
Technical staff is it will be clearly understood that any improvement in the present invention, and equivalence to raw material selected by the present invention is replaced and auxiliary element
Interpolation, concrete way choice etc., within the scope of all falling within protection scope of the present invention and disclosure.
Claims (9)
1. a carbon fibre reinforcement, it is characterised in that described carbon fibre reinforcement includes following component:
Modified carbon fiber 5-15 weight portion
The reactive phosphorus nitrile compound 2-10 weight portion of sulfur-bearing
Phenolic resin 50-70 weight portion
Catalyst 1-5 weight portion
Filler 20～50 weight portion
Firming agent 10～15 weight portion
Coupling agent 1～5 weight portion；
Wherein phenolic resin adds with the monomeric form of aldehyde and phenol, and formaldehyde and mol ratio >=1.6 of phenol, and described catalyst is
Base catalyst；
Described modified carbon fiber is the carbon fiber after oxidized dose of oxidation and coupling agent coupling.
2. carbon fibre reinforcement as claimed in claim 1, it is characterised in that the reactive phosphorus nitrile compound tool of described sulfur-bearing
Just like the molecular structure shown in formula I:
In formula I, R2Representing arbitrary organic group, Z is inertia nucleophilic group, and R is reactive nucleophilic group, and M is ring three phosphonitrile base
M1, ring more than four phosphonitrile base M2Or non-annularity polyphosphazene base M3In one and combination in any；
A is the integer more than or equal to zero, b and c is the integer more than or equal to 1, and a, b and c three's sum is number of phosphorus atoms in M
2 times.
3. carbon fibre reinforcement as claimed in claim 2, it is characterised in that R2Represent substituted or unsubstituted straight chained alkyl
Or branched alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl or replacement
Or the combination of any one or its at least two in unsubstituted heteroaryl；
Preferably, Z is selected from-OR14、-SR15、-C≡C-R6、-O-NO2,-I or
In any one or the combination of at least two；
Wherein, R14、R15、R3、R4、R5、R6、R13、R16、R11And R12All independently be substituted or unsubstituted straight chained alkyl or side chain
Alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted alkoxyl, replacement or not
Substituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, substituted or unsubstituted aralkoxy, substituted or unsubstituted alkane
Base aryloxy group, substituted or unsubstituted carbonate group, substituted or unsubstituted sulfonate group, substituted or unsubstituted phosphonate ester
Any one in base, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl；
Preferably, described R is selected from-O-R20-OH、-O-R21-SH、-O-R22-NH-R23、-S-R24-OH、-S-R26-SH、-S-R28-NH-R29OrIn any one or the combination of at least two, preferably-O-R20-OH；
Wherein, R20、R21、R22、R24、R25、R26、R27、R28And R30All independently be substituted or unsubstituted straight chained alkyl or side chain
Alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted alkoxyl, replacement or not
Substituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, substituted or unsubstituted aralkoxy, substituted or unsubstituted alkane
Base aryloxy group, substituted or unsubstituted carbonate group, substituted or unsubstituted sulfonate group, substituted or unsubstituted phosphonate ester
Any one in base, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl, R23、R29And R31All independently be
Hydrogen atom, substituted or unsubstituted straight chained alkyl or branched alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted virtue
Alkyl, substituted or unsubstituted alkoxyl, substituted or unsubstituted alkyl sulfenyl, substituted or unsubstituted cycloalkyloxy, replacement
Or unsubstituted aralkoxy, substituted or unsubstituted alkyl-aryloxy, substituted or unsubstituted carbonate group, replacement or do not take
The sulfonate group in generation, substituted or unsubstituted phosphonate group, substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl
In any one；R20The most substituted or non-substituted phenyl ring, thick aromatic ring or many aromatic rings, more preferably di-phenyl ring,
More preferably
Preferably, M1Structure is:
M2Structure is:
Wherein, x is more than or equal to 4；
M3Structure is:
Wherein, y is more than or equal to 3.
4. carbon fibre reinforcement as claimed in claim 2 or claim 3, it is characterised in that the reactive phosphorus nitrilation of described sulfur-bearing closes
Thing is to have any one or the mixture of at least two in the phosphazene compound of following structure:
(OH-Ph-O)5-M-S-Ph、(OH-Ph-O)4-M-(S-CH3)2、(OH-Ph-O)4-M-(S-Ph)2、(OH-Ph-O)3-M-(S-Ph)3、(OH-
Ph-O)2-M-(S-Ph)4、
5. the carbon fibre reinforcement as described in one of Claims 1 to 4, it is characterised in that described phenol is the phenol of three-functionality-degree
And/or two phenol of degree of functionality；
Preferably, in phenol, methylphenol, ethyl-phenol, bisphenol-A, Bisphenol F or bisphenol S any a kind or extremely of described phenol
The combination of few 2 kinds；
Preferably, the described aldehyde any one or at least 2 kinds in formaldehyde, acetaldehyde, butyraldehyde, metaformaldehyde or paraformaldehyde
Combination；
Preferably, described catalyst is in base catalyst, preferably sodium hydroxide, barium hydroxide, ammonia, triethylamine or carbamide
Any a kind or the combination of at least 2 kinds.
6. the carbon fibre reinforcement as described in one of Claims 1 to 5, it is characterised in that described modified carbon fiber is by such as
Prepared by lower section method: by carbon fiber acetone soak, soaks with oxidant afterwards, finally soaks with coupling agent, obtains carbon modified fine
Dimension；
Preferably, described modified carbon fiber is prepared via a method which: by carbon fiber acetone soak, washs, uses oxygen after drying
Agent is soaked, scrubbed after drying with coupling agent immersion, obtains modified carbon fiber.
7. carbon fibre reinforcement as claimed in claim 6, it is characterised in that described carbon fiber is fine selected from polyacrylonitrile carbon
Any a kind or the combination of at least 2 kinds in dimension, asphalt base carbon fiber, lignin-base carbon fiber, phenolic aldehyde base carbon fibre；
Preferably, described liquid oxidizer is molten selected from the mixing of potassium permanganate and the mixed solution of sulphuric acid, Ammonium persulfate. and sulphuric acid
In the mixed solution of the mixed solution of liquid, sodium hypochlorite and sulphuric acid, postassium hypochlorite and sulphuric acid or salpeter solution any a kind or
The combination of at least 2 kinds；
Preferably, described coupling agent is silane coupler and/or titanate coupling agent.
8. the carbon fibre reinforcement as described in one of claim 1～7, it is characterised in that described filler is selected from calcium carbonate, cunning
Any a kind or the combination of at least 2 kinds in stone powder, mica powder, white carbon；
Preferably, described firming agent is p-methyl benzenesulfonic acid.
9. the preparation method of the carbon fibre reinforcement as described in one of claim 1～8, it is characterised in that described side
Method comprises the steps:
(1) prepare modified carbon fiber: by carbon fiber acetone soak, soak with oxidant afterwards, finally soak with coupling agent,
To modified carbon fiber；
(2) phenol, aldehyde, catalyst, modified carbon fiber, the reactive phosphorus nitrile compound of sulfur-bearing are pressed formula mixing and are added reactor,
Under the conditions of 90～120 DEG C, react 1～6h, after dehydration, obtain carbon fiber modifying phenolic resin；
(3) the carbon fiber modifying phenolic resin that step (2) obtains is mixed with filler, firming agent and coupling agent, through mill or
Extrusion, obtains carbon fibre reinforcement through over-mastication afterwards.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033535A (en) * | 2017-03-20 | 2017-08-11 | 浙江森之物工艺品有限责任公司 | A kind of environment-friendly resin artwork and its handicraft preparation method with long-acting aromatic |
| CN111410936A (en) * | 2020-04-10 | 2020-07-14 | 荆门市诺维英新材料科技有限公司 | Composite fiber high-performance friction material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012242A (en) * | 2007-01-26 | 2007-08-08 | 华中科技大学 | Cyclophosphaxene compound as flame-proof material and synthetic method thereof |
| CN103319848A (en) * | 2013-06-09 | 2013-09-25 | 吴江市董鑫塑料包装厂 | Preparation method of carbon fiber reinforced plastics |
| CN105754056A (en) * | 2016-03-04 | 2016-07-13 | 沙县宏盛塑料有限公司 | Preparation method of carbon fiber modified phenolic resin and phenolic moulding plastic |
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2016
- 2016-08-03 CN CN201610633663.6A patent/CN106188447A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012242A (en) * | 2007-01-26 | 2007-08-08 | 华中科技大学 | Cyclophosphaxene compound as flame-proof material and synthetic method thereof |
| CN103319848A (en) * | 2013-06-09 | 2013-09-25 | 吴江市董鑫塑料包装厂 | Preparation method of carbon fiber reinforced plastics |
| CN105754056A (en) * | 2016-03-04 | 2016-07-13 | 沙县宏盛塑料有限公司 | Preparation method of carbon fiber modified phenolic resin and phenolic moulding plastic |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033535A (en) * | 2017-03-20 | 2017-08-11 | 浙江森之物工艺品有限责任公司 | A kind of environment-friendly resin artwork and its handicraft preparation method with long-acting aromatic |
| CN111410936A (en) * | 2020-04-10 | 2020-07-14 | 荆门市诺维英新材料科技有限公司 | Composite fiber high-performance friction material and preparation method thereof |
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Address after: 523000 Dongguan Port Road, Guangdong (Sha Tianduan) Humen port service center, Humen port service building on the third floor Applicant after: Guangdong Guang Shan new materials Limited by Share Ltd Address before: 523000 Dongguan Port Road, Guangdong (Sha Tianduan) Humen port service center, Humen port service building 3F Applicant before: GUANG SHAN NEW MATERIALS CO., LTD. |
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Application publication date: 20161207 |