CN109504090A - A kind of fire-retardant shock peening gel of inhibition cold flow properties and its preparation method and application - Google Patents
A kind of fire-retardant shock peening gel of inhibition cold flow properties and its preparation method and application Download PDFInfo
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- CN109504090A CN109504090A CN201811203496.7A CN201811203496A CN109504090A CN 109504090 A CN109504090 A CN 109504090A CN 201811203496 A CN201811203496 A CN 201811203496A CN 109504090 A CN109504090 A CN 109504090A
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K3/34—Silicon-containing compounds
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic System; Zincates; Cadmates
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic System; Aluminates
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/80—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with boron or compounds thereof, e.g. borides
- D06M11/82—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with boron or compounds thereof, e.g. borides with boron oxides; with boric, meta- or perboric acids or their salts, e.g. with borax
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08K2201/003—Additives being defined by their diameter
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Abstract
The invention discloses a kind of fire-retardant shock peening gels of inhibition cold flow properties, it is characterised in that: is formed in network structure polymer by the polysiloxanes that boron oxide hydrate is modified and is dispersed with what multi-functional particle was constituted.The invention also discloses specific preparation method and applications.Gained of the invention inhibits the limit oxygen index of the fire-retardant shock peening gel of cold flow properties that can reach 35%, and shear hardening degree reaches 2000% or so, and impact energy absorptivity reaches 80% or so.
Description
Technical field
The invention belongs to high-molecular gel Material Field, it is related to a kind of fire-retardant shock peening gel of inhibition cold flow properties and its system
Preparation Method and application, specifically, being shock peening gel and its preparation side with cold flow properties are inhibited and with flame retarding function
Method is mainly used in rayon to provide the protection of shrapnel resistance or Blasting shock wave.
Background technique
Shock peening gel is a kind of storage modulus intellectual material relevant to external force rate.In the work of low rate
Under firmly, gel shows the property of rheid, and gel has good flexibility；When impact external force rate increases, gel is aobvious
The high resiliency of rubber is shown；When external force rate is further increased to a certain critical value, gel shows visco-plasticity and produces
Raw rupture failure.Gel absorbs energy in impact process, converts external kinetic energy to the internal heat energy of gel, play buffering and
Energy-absorbing function.Therefore, someone is compound by the gel rubber material and fabric, and the protective performance of fabric is improved with this, is used for portion
Team's logistical equipment field.
In the prior art, the preparation of above-mentioned shock peening gel is usually to use the same acid reaction of siloxanes, and add
Micro-nano granules are prepared, such as patent CN104862975B provides a kind of shear thickening gel and preparation method and has shearing
The anti-fragmentation fabric of thickening effect, wherein being with a certain proportion of a, w- dialkyl polydimethylsiloxane, boric acid and white carbon black
Dehydration mixing is made into base-material in 1-3 hours under 13-14kPa pressure in 140-180 DEG C of kneader, and base-material is then dissolved in solvent again
Shear thickening gel is formed, which is used to impregnate woven dacron, drying can be obtained with shear thickening effect
Anti- fragmentation fabric.The fabric of shear thickening gel or shock peening immersing hydrogels is mainly used for shrapnel resistance or quick-fried
The protection of broken shock wave.
But with the presence of two apparent defects of anti-fragmentation fabric of shear thickening effect prepared by the above-mentioned prior art: one
Being the shear thickening gel for dipping prepares the resulting anti-fragmentation for having shear thickening effect with cold flow properties, therefore in dipping
Adhesion between gel easily occurs during storage for fabric, influences the subsequent use of fabric；Second is that in existing protection field, than
On blasting protection, it is usually associated with the generation of fire source, if protective gear does not have anti-flammability but plant combustion-supporting material,
Environmental suitability can have a greatly reduced quality, and regrettably, aforementioned shear thickening gel does not have preferable anti-flammability.
In addition, the fabric of dipping is usually concentrated on Kafra fiber or superhigh molecular weight polyethylene by the research of existing people
On alkene fiber, these fibre strengths are high, the mature application on protective gear, but its price is high, is only used for disregarding cost
Special dimension, such as flak jackets, the anti-stab anti-cutting equipment of soldier etc..
Summary of the invention
The present invention is in order to solve above-mentioned problem of the prior art, and the first purpose of the invention is to provide a kind of inhibition cold flows
Property fire-retardant shock peening gel, which has simultaneously inhibits cold flow properties and anti-flammability, therefore it is hard to extend impact
The application field range for changing gel additionally has the characteristics that cost is relatively low and environmental protection.
A second object of the present invention is to provide the preparation methods of the fire-retardant shock peening gel of above-mentioned inhibition cold flow properties.
Third object of the present invention is to provide the applications of the fire-retardant shock peening gel of above-mentioned inhibition cold flow properties.
To achieve the above object, the present invention is realized using the technical solution being made of following technical measures.It is a kind of
Inhibit the fire-retardant shock peening gel of cold flow properties, is formed in network structure polymer and divided by the polysiloxanes that boron oxide hydrate is modified
Dissipating has multi-functional particle composition.
Further, the hardening gel, raw material composition and parts by weight are as follows: 100 parts of polysiloxanes, Multi-functional dispersion particle
20-150 parts, 2-20 parts of boron oxide hydrate.
Preferably, the hardening gel, Multi-functional dispersion particle are 80-120 parts.It is multi-functional under the optimum ratio
The mixing dispersion effect and flame retardant effect of dispersed particle are more preferably
Preferably, the Multi-functional dispersion particle is one or both of magnesium hydrate powder, aluminium hydroxide powder
Mixture；The boron oxide hydrate is boric acid (B (OH) 3) or pyroboric acid.
Preferably, the viscosity of the polysiloxanes is 200-100000Pas.Select the poly- silicon oxygen in the range of viscosities
There is good shock peening degree again while gel is obtained prepared by alkane with good flexibility.
Preferably, the polysiloxanes is the polysiloxanes for being hydroxyl, methoxy or ethoxy on end group,
Further, the polysiloxanes is α, alpha, omega-dihydroxy polydimethyl siloxane, hydroxy-end capped polymethyl-benzene base silicon oxygen
It is any one in alkane, hydroxy-end capped polyphenylethyl radical siloxane, ethyoxyl terminated polysiloxane and methoxy group polysiloxanes
Kind,
Preferably, the polysiloxanes is α, alpha, omega-dihydroxy polydimethyl siloxane.
Preferably, the partial size of the magnesium hydrate powder and aluminium hydroxide powder is 0.3-20 μm, and magnesium hydrate powder
Pass through surface hydrophobic modification with aluminium hydroxide powder.It is noted that the Multi-functional dispersion particle is magnesium hydroxide powder
When the mixture of body and aluminium hydroxide powder, magnesium hydroxide powder weight and aluminium hydrate powder weight are arbitrary proportion.It is described
Surface hydrophobic modification is the prior art, usually using stearic acid, the hydrophobicity processing technique of silane coupling agent, or is
The magnesium hydrate powder and/or aluminium hydroxide powder by surface hydrophobic modification directly bought.
Further: raw material also contains≤30 parts of nano silica；There are also 5-10 parts of plasticizer for raw material.
Preferably, the nano silica is the modified nano silica of surface hydrophobic；The plasticizer is
Any one of silicone oil, epoxidized soybean oil, modified castor oil.
Boron oxide hydrate is dissolved in volatile organic solvent by the preparation method of the hardening gel, and poly- silicon is added
Oxygen alkane is stirred as mixed liquor, then mixed liquor is stirred to react 1-4 hours under 100-140 DEG C, vacuumized conditions, then exists
Multi-functional dispersion particle or nano silica are added in mixed liquor, continuation is stirred to react 0.5-1 hours at 100-140 DEG C,
Up to the inhibition fire-retardant shock peening gel of cold flow properties.
Preferably, the preparation method of the hardening gel, it is characterised in that: the volatile organic solvent be methanol,
Ethyl alcohol or isopropanol.It is noted that the amount of volatile organic solvent, which is usually subject to, can be completely dissolved all raw material components.
Normally, inhibit the fire-retardant shock peening gel of cold flow properties obtained by above-mentioned preparation method, it can be by the way that organic solvent be added
To inhibit the viscosity of the fire-retardant shock peening gel of cold flow properties to control gained.
The application that the hardening gel is used to attach on fabric in preparation.
The fabric includes rayon, Kafra fiber, carbon fiber, glass fibre and basalt fibre
Fabric.
Preferably, the basalt fibre fabrics the preparation method comprises the following steps:
(1) it pre-processes basalt fiber cloth: basalt fibre being arranged in organic solvent and silane coupling agent mass ratio is
It is impregnated 1 hour in the mixed solution of 98:2, after dip time reaches, takes out fiber cloth and be dried；By pre-processing to fabric
Surface is modified, reduces the surface tension of fabric；
(2) compound basalt fibre fabrics are prepared: the method for using calendering or molding, control stack or moulded board
Temperature will inhibit the fire-retardant shock peening gel of cold flow properties to squeeze into pretreated basalt under pressure at 120-180 DEG C
Between the fiber of fiber cloth, gel content is controlled in the 20%-50% of fiber cloth weight to get with the inhibition fire-retardant punching of cold flow properties
Hit the compound basalt fibre fabrics of hardening capacity.
Gained inhibits the application of the fire-retardant shock peening gel of cold flow properties in order to better illustrate the present invention, provides following applications
Mode inhibits the fire-retardant impact of cold flow properties to illustrate to inhibit using present invention gained the fire-retardant shock peening gel preparation of cold flow properties to have
The composite fiber fabric of hardening capacity.
The compound basalt fibre fabrics of fire-retardant shock peening performance.
Further, according to parts by weight, the raw material for inhibiting the fire-retardant shock peening gel of cold flow properties further includes little
In 30 parts of nano silica.By additionally incorporating silica as raw material, nano silica will with magnesium hydroxide and/
Or the shock peening degree of aluminium hydroxide collaboration enhancing gel.
It is noted that the nano silica modified by surface hydrophobic may be selected in above-mentioned nano silica.
Normally, it in the production of actual industrial metaplasia, can also add during the preparation process other known in the art
Other processing aids such as toner and plasticizer, but on condition that, these processing aids will not be with magnesium hydrate powder and/or hydroxide
Aluminium powder body, which reacts, generates adverse effect.
The invention has the following advantages:
1, the present invention uses the mixture of the magnesium hydroxide of sub-micron partial size, aluminium hydroxide or both solidifying as shock peening
The Multi-functional dispersion particle of glue imparts the good anti-flammability of the gel rubber material first, makes the limit oxygen index of the gel rubber material
Reach 35%, and it is to be released steam by thermal decomposition to take away heat and fire-retardant, combustion that magnesium hydroxide, aluminium hydroxide, which are its fire retardant mechanism,
Burning will not generate harmful substance, be halogen-free and heavy metal, harmless, so that the present invention is more environmentally friendly；Secondly, by big
Amount be added Multi-functional dispersion particle, with polysiloxane macromonomer can good combination, Multi-functional dispersion particle is in high-rate of shear
Lower itself blocked by build-up of particles plays hardening effect, and compared to nano silica, its additive amount can achieve bigger, impact
Hardening effect is more preferable, and price is lower, is the ideal replacer of nano silica；Finally, hydrophobicity Multi-functional dispersion particle is equal
Even is dispersed in siloxane polymer, and the hydroxyl of hydroxyl and polymer that dispersed particle has has stronger hydrogen bond action,
The degree of cross linking of polymer is improved, internal networking structure, the sliding of network structure energy restriction molecule chain, to make gel are increased
Cold flow properties are inhibited, the adhesion being not susceptible between gel.
2, present invention gained inhibits the limit oxygen index of the fire-retardant shock peening gel of cold flow properties that can reach 35%, shear hardening
Degree reaches 2000% or so, and impact energy absorptivity reaches 80% or so.
3, there is the composite fiber fabric for inhibiting the fire-retardant shock peening performance of cold flow properties using the present invention is preparation-obtained
With good shock peening performance, wherein under the conditions of same puncture, utilize the preparation-obtained compound basalt of the present invention
Fabric, needle can only pass through two layers of compound fabric, and pure basalt fabric can penetrate four layers.
4, the application that present invention gained inhibits the fire-retardant shock peening gel of cold flow properties to extend existing shock peening gel is led
Domain range can be used for the protection place stringent to fire protection requirement, bring enlightenment to research from now on.
5, pyroboric acid can be selected in preparation process of the present invention, reactivity is high, and reaction temperature is low, and simple process is easy to operate.
6, present invention gained inhibits the fire-retardant shock peening gel of cold flow properties can be with other high molecular materials (such as liquid silicon rubber
Glue, polyurethane) it is compound or compound with fabric, it is used for safety protection field.
Detailed description of the invention
Fig. 1 is the reaction for the preparation method one of which technical solution that the present invention inhibits the fire-retardant shock peening gel of cold flow properties
Mechanism schematic diagram.α, the reaction mechanism of alpha, omega-dihydroxy polydimethyl siloxane and boric acid are shown in figure.
Fig. 2 is the reaction for the preparation method one of which technical solution that the present invention inhibits the fire-retardant shock peening gel of cold flow properties
Mechanism schematic diagram.α, the reaction mechanism of alpha, omega-dihydroxy polydimethyl siloxane and aluminium hydroxide powder are shown in figure.
Fig. 3 is the reaction for the preparation method one of which technical solution that the present invention inhibits the fire-retardant shock peening gel of cold flow properties
Mechanism schematic diagram.α, the reaction mechanism of alpha, omega-dihydroxy polydimethyl siloxane and magnesium hydrate powder are shown in figure.
Fig. 4 is the Fourier's infrared spectrum for inhibiting the fire-retardant shock peening gel of cold flow properties obtained by the embodiment of the present invention 1.
Fig. 5 be the embodiment of the present invention 3 obtained by inhibition the fire-retardant shock peening gel of cold flow properties with embodiment 1 and embodiment 2
The cold flow properties test comparison photo of gained gel, the environment temperature of test at this time are 28 DEG C, stand 2 hours, compare gel
Mobility.In figure, left side A is 1 gained pure condensate glue of embodiment, and B is (OH) containing Al obtained by embodiment 43100 parts of inhibition cold flow properties
Fire-retardant shock peening gel, the C on right side are (OH) containing Al obtained by embodiment 53150 parts of fire-retardant shock peenings of inhibition cold flow properties are solidifying
Glue, from the graph, it is apparent that the cold flow properties of A are far longer than B, C.
Fig. 6 is the storage modulus pair that 1,2,3,4,5 gained of the embodiment of the present invention inhibits the fire-retardant shock peening gel of cold flow properties
Compare line chart.For dynamic frequency at this time from 0.01 to 100Hz, setting strain size is 0.01%, it is ensured that is strained at this time in gel
In linear viscoelastic region, temperature is controlled at 25 DEG C.
Fig. 7 is the inhibition fire-retardant shock peening gel of cold flow properties and embodiment 1,2 obtained by the embodiment of the present invention 4 and embodiment 7
The flame retardant test of gained gel compares photo.In figure, upper left shock peening gel is gel obtained by embodiment 1, upper right impact
Hardening gel+nano silica is gel obtained by embodiment 2, and lower-left inhibits the fire-retardant shock peening gel Al of cold flow properties
(OH)3For gel obtained by the embodiment of the present invention 4, bottom right inhibits the fire-retardant shock peening gel Mg (OH) of cold flow properties2It is of the invention real
Gel obtained by example 7 is applied, by comparison this it appears that gel obtained by the embodiment of the present invention 4,7 is with apparent fire-retardant
Property, light rear automatic distinguishing.
Fig. 8 is the untreated 4 compound basalt fiber cloth of gained of basalt fiber cloth and the application embodiment of the present invention
Drop impact puncture test comparison photo, by four untreated basalt fiber cloths or apply the embodiment of the present invention 4
The compound basalt fiber cloth overlapping of gained, falls, drop impact acanthin amount is 1kg from 45cm height.In figure, top figure be without
The basalt fiber cloth of processing is crossed, it is four layers that the number of plies is pierced through in impact, and lower section figure is that compound basalt obtained by Application Example 4 is fine
Wei Bu is punctured under the conditions of downlight, and the compound basalt fiber cloth number of plies punctured is 2 layers, by comparison this it appears that using
Compound basalt fiber cloth obtained by the present invention has good shock resistance destructive characteristics.
Specific embodiment
Below by embodiment, in conjunction with attached drawing, the invention will be further described.It is worth noting that the embodiment provided
It should not be understood as limiting the scope of the invention, person skilled in art's content according to the present invention makes the present invention
Some nonessential modifications and adaptations still should belong to the scope of the present invention.
Embodiment 1
Shock peening pure condensate glue is prepared in the present embodiment as steps described below:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
The boric acid is 160 DEG C of pretreated boron oxide hydrates；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred as mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, cold
But shock peening pure condensate glue is obtained afterwards.
Embodiment 2
Shock peening gel is prepared in the present embodiment as steps described below:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
25 parts of nano silica
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the nano silica is hydrophobic nano dioxy
SiClx, partial size is in 900nm or so；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
25 parts of nano silica is added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, is impacted after cooling
Hardening gel.
Embodiment 3
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
30 parts of nano-aluminum hydroxide powder
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the nano-aluminum hydroxide powder passes through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
30 parts of nano-aluminum hydroxide powder is added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, is obtained after cooling
Inhibit the fire-retardant shock peening gel of cold flow properties.
Embodiment 4
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
100 parts of nano-aluminum hydroxide powder
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the nano-aluminum hydroxide powder passes through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
100 parts of nano-aluminum hydroxide powder is added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, is obtained after cooling
Inhibit the fire-retardant shock peening gel of cold flow properties.
Embodiment 5
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
150 parts of nano-aluminum hydroxide powder
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the nano-aluminum hydroxide powder passes through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
150 parts of nanometer of nano-aluminum hydroxide powder is added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, after cooling
The fire-retardant shock peening gel of the cold flow properties that are inhibited.
Embodiment 6
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
30 parts of Magnesium Hydroxide Nano-particles
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the Nanometer Aluminum Magnesium Hydroxide body passes through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
30 parts of nanometer of Magnesium Hydroxide Nano-particles are added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, after cooling
The fire-retardant shock peening gel of the cold flow properties that are inhibited.
Embodiment 7
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
100 parts of Magnesium Hydroxide Nano-particles
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the Magnesium Hydroxide Nano-particles pass through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
100 parts of nanometer of Magnesium Hydroxide Nano-particles are added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, after cooling
The fire-retardant shock peening gel of the cold flow properties that are inhibited.
Embodiment 8
The present embodiment is prepared as steps described below inhibits the fire-retardant shock peening gel of cold flow properties:
(1) feed proportioning
According to parts by weight, including following raw material:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxane
20 parts of boric acid,
150 parts of Magnesium Hydroxide Nano-particles
The boric acid is 160 DEG C of pretreated boron oxide hydrates, and the Magnesium Hydroxide Nano-particles pass through surface hydrophobicity
Property modification；
(2) gel binder is prepared
The good boric acid of step (1) ingredient is dissolved in 60 parts of alcohol solvents, α, alpha, omega-dihydroxy polydimethyl siloxane is added
It is stirred for mixed liquor, then by mixed liquor under 120 DEG C, vacuumized conditions, vacuum degree 0.08MPa is stirred to react 4 hours, so
150 parts of nanometer of Magnesium Hydroxide Nano-particles are added in mixed liquor afterwards, continuation is stirred to react 1 hour at 120 DEG C, after cooling
The fire-retardant shock peening gel of the cold flow properties that are inhibited.
Application examples 1 is pure untreated basalt fibre, makees to puncture comparison as a comparison case with other application examples.
Application examples 2:
The application example is that the inhibition fire-retardant shock peening gel of cold flow properties is as raw material using obtained by embodiment 1, according to following
Step preparation has the compound basalt fibre fabrics for inhibiting the fire-retardant shock peening performance of cold flow properties:
(1) basalt fiber cloth is pre-processed:
Basalt fibre is arranged in organic solvent and silane coupling agent mass ratio is that dipping 1 is small in the mixed solution of 98:2
When, after dip time reaches, takes out fiber cloth and be dried.By pre-processing to loomage surface modification, the surface of fabric is reduced
Tension.
(2) compound basalt fibre fabrics are prepared:
Using the method for calendering, the temperature of stack or moulded board is controlled at 160 DEG C, under pressure by embodiment
The 1 inhibition fire-retardant shock peening gel of cold flow properties obtained is squeezed between the fiber of pretreated basalt fiber cloth, and control is solidifying
Glue content is knitted the 40% of fiber cloth weight to get the compound basalt fibre with the inhibition fire-retardant shock peening performance of cold flow properties
Object.
Application examples 3:
The application example is that the inhibition fire-retardant shock peening gel of cold flow properties is as raw material using obtained by embodiment 2, according to following
Step preparation has the compound basalt fibre fabrics for inhibiting the fire-retardant shock peening performance of cold flow properties:
(1) basalt fiber cloth is pre-processed:
Basalt fibre is arranged in organic solvent and silane coupling agent mass ratio is that dipping 1 is small in the mixed solution of 98:2
When, after dip time reaches, takes out fiber cloth and be dried.By pre-processing to loomage surface modification, the surface of fabric is reduced
Tension.
(2) compound basalt fibre fabrics are prepared:
Using the method for calendering, the temperature of stack or moulded board is controlled at 160 DEG C, under pressure by embodiment
The 2 inhibition fire-retardant shock peening gels of cold flow properties obtained are squeezed between the fiber of pretreated basalt fiber cloth, and control is solidifying
Glue content is knitted the 40% of fiber cloth weight to get the compound basalt fibre with the inhibition fire-retardant shock peening performance of cold flow properties
Object.
Application examples 4:
The application example is that the inhibition fire-retardant shock peening gel of cold flow properties is as raw material using obtained by embodiment 4, according to following
Step preparation has the compound basalt fibre fabrics for inhibiting the fire-retardant shock peening performance of cold flow properties:
(1) basalt fiber cloth is pre-processed:
Basalt fibre is arranged in organic solvent and silane coupling agent mass ratio is that dipping 1 is small in the mixed solution of 98:2
When, after dip time reaches, takes out fiber cloth and be dried.By pre-processing to loomage surface modification, the surface of fabric is reduced
Tension.
(2) compound basalt fibre fabrics are prepared:
Using the method for calendering, the temperature of stack or moulded board is controlled at 160 DEG C, under pressure by embodiment
The 4 inhibition fire-retardant shock peening gels of cold flow properties obtained are squeezed between the fiber of pretreated basalt fiber cloth, and control is solidifying
Glue content is knitted the 40% of fiber cloth weight to get the compound basalt fibre with the inhibition fire-retardant shock peening performance of cold flow properties
Object.
Application examples 5:
The application example is that the inhibition fire-retardant shock peening gel of cold flow properties is as raw material using obtained by embodiment 7, according to following
Step preparation has the compound basalt fibre fabrics for inhibiting the fire-retardant shock peening performance of cold flow properties:
(1) basalt fiber cloth is pre-processed:
Basalt fibre is arranged in organic solvent and silane coupling agent mass ratio is that dipping 1 is small in the mixed solution of 98:2
When, after dip time reaches, takes out fiber cloth and be dried.By pre-processing to loomage surface modification, the surface of fabric is reduced
Tension.
(2) compound basalt fibre fabrics are prepared:
Using the method for calendering, the temperature of stack or moulded board is controlled at 160 DEG C, under pressure by embodiment
The 7 inhibition fire-retardant shock peening gels of cold flow properties obtained are squeezed between the fiber of pretreated basalt fiber cloth, and control is solidifying
Glue content is knitted the 40% of fiber cloth weight to get the compound basalt fibre with the inhibition fire-retardant shock peening performance of cold flow properties
Object.
Claims (16)
1. a kind of fire-retardant shock peening gel of inhibition cold flow properties, it is characterised in that: the polysiloxanes being modified by boron oxide hydrate
It is formed and is dispersed with what multi-functional particle was constituted in network structure polymer.
2. hardening gel as described in claim 1, it is characterised in that: raw material composition and parts by weight are as follows: 100 parts of polysiloxanes,
20-150 parts of Multi-functional dispersion particle, 2-20 parts of boron oxide hydrate.
3. hardening gel as claimed in claim 2, it is characterised in that: Multi-functional dispersion particle is 80-120 parts.
4. hardening gel as claimed in claim 2, it is characterised in that: the Multi-functional dispersion particle be magnesium hydrate powder,
The mixture of one or both of aluminium hydroxide powder；The boron oxide hydrate is boric acid (B (OH)3) or pyroboric acid.
5. hardening gel as described in claim 1, it is characterised in that: the viscosity of the polysiloxanes is 200-100000Pa
s。
6. hardening gel as described in claim 1, it is characterised in that: the polysiloxanes be hydroxyl, methoxy on end group
The polysiloxanes of base or ethyoxyl.
7. hardening gel as described in claim 1, it is characterised in that: the polysiloxanes is α, alpha, omega-dihydroxy polydimethyl
Siloxanes, hydroxyl-terminated polymethylphenyl sioxane, hydroxy-end capped polyphenylethyl radical siloxane, ethyoxyl terminated polysiloxane and
Any one in methoxy group polysiloxanes.
8. hardening gel as described in claim 1, it is characterised in that: the polysiloxanes is α, the poly- diformazan of alpha, omega-dihydroxy
Radical siloxane.
9. hardening gel as claimed in claim 4, it is characterised in that: the grain of the magnesium hydrate powder and aluminium hydroxide powder
Diameter is 0.3-20 μm, and magnesium hydrate powder and aluminium hydroxide powder pass through surface hydrophobic modification.
10. hardening gel as claimed in claim 2, it is characterised in that: raw material also contains≤30 parts of nano silica；It is former
There are also 5-10 parts of plasticizer for material.
11. hardening gel as claimed in claim 10, it is characterised in that: the nano silica changes for surface hydrophobic
The nano silica of property；The plasticizer is any one of silicone oil, epoxidized soybean oil, modified castor oil.
12. the preparation method of the hardening gel as described in claim 2,3,4 or 10, it is characterised in that: by boron oxide hydrate
Be dissolved in volatile organic solvent, polysiloxanes be added and is stirred as mixed liquor, then by mixed liquor 100-140 DEG C, take out it is true
It is stirred to react under empty condition 1-4 hours, Multi-functional dispersion particle or nano silica is then added in mixed liquor, continued
0.5-1 hours are stirred to react at 100-140 DEG C to get the fire-retardant shock peening gel of cold flow properties is inhibited.
13. the preparation method of hardening gel as claimed in claim 12, it is characterised in that: the volatile organic solvent is first
Alcohol, ethyl alcohol or isopropanol.
14. the application that the hardening gel as described in claim 1 to 11 is any is used to attach on fabric in preparation.
15. application as claimed in claim 14, it is characterised in that: the fabric includes rayon, Kev
It tows dimension, carbon fiber, glass fibre and basalt fibre fabrics.
16. application as claimed in claim 14, it is characterised in that: the basalt fibre fabrics the preparation method comprises the following steps:
(1) it pre-processes basalt fiber cloth: basalt fibre being arranged in organic solvent and silane coupling agent mass ratio is 98:2
Mixed solution in impregnate 1 hour, dip time reach after, take out fiber cloth be dried；
(2) compound basalt fibre fabrics are prepared: using the method for calendering or molding, controlling the temperature of stack or moulded board
At 120-180 DEG C, the fire-retardant shock peening gel of cold flow properties will be inhibited to squeeze into pretreated basalt fibre under pressure
Between the fiber of cloth, in the 20%-50% of fiber cloth weight, to get having, inhibition cold flow properties are fire-retardant to impact firmly control gel content
Change the compound basalt fibre fabrics of performance.
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| CN201811203496.7A CN109504090B (en) | 2018-10-16 | 2018-10-16 | Cold-flow-inhibiting flame-retardant impact-hardening gel and preparation method and application thereof |
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| CN201811203496.7A CN109504090B (en) | 2018-10-16 | 2018-10-16 | Cold-flow-inhibiting flame-retardant impact-hardening gel and preparation method and application thereof |
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| CN113025050A (en) * | 2021-04-02 | 2021-06-25 | 中国科学技术大学 | Composite material with shear hardening and flame retardant properties and preparation method thereof |
| CN113756100A (en) * | 2021-09-09 | 2021-12-07 | 北京理工大学重庆创新中心 | Preparation method of flexible protection structure with heat insulation, flame retardance and self-cleaning performance |
| CN115416124A (en) * | 2022-08-29 | 2022-12-02 | 华南师范大学 | Composite material and preparation method and application thereof |
| CN116289225A (en) * | 2021-12-20 | 2023-06-23 | 四川大学 | Fiber modified based on polyborosiloxane and preparation method thereof |
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