CN107022118A - A kind of shape memory high molecule polymer and its production and use - Google Patents
A kind of shape memory high molecule polymer and its production and use Download PDFInfo
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- CN107022118A CN107022118A CN201710167083.7A CN201710167083A CN107022118A CN 107022118 A CN107022118 A CN 107022118A CN 201710167083 A CN201710167083 A CN 201710167083A CN 107022118 A CN107022118 A CN 107022118A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/12—Puncture preventing arrangements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F253/00—Macromolecular compounds obtained by polymerising monomers on to natural rubbers or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/12—Shape memory
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to technical field of polymer materials, and in particular to a kind of physical form memory high molecular polymer and its production and use, includes the raw material components of following parts by weight：50~150 parts of natural rubber, 5~40 parts of polyurethane resin, 5~30 parts of ethyl acetate, 0.5~25 part of xylene resin, 2~15 parts of antioxidant, 0.5~10 part of antioxidant D, 1~15 part of silica and 1~35 part of butyl acrylate.Composition of raw materials design science of the present invention is reasonable, obtained shape memory high molecule polymer is set to keep stable physical property at 40 DEG C to 150 DEG C after supercooling, make that automobile runs into tyre prick in normally travel or breach of blowing out is small, being attached to the shape memory high molecule polymer on the inside of tire can plug the gap rapidly, tire landing ground gas leakage is prevented, tire safety serves great improvement during to driving.
Description
The present invention relates to technical field of polymer materials, and in particular to a kind of shape memory high molecule polymer and its preparation
Method and purposes.
Background technology
There has been proposed intellectual material (Smart Materials or Intelligent for 1980s mid-term
Material System) concept：Intellectual material is to imitate life system, can perceive environmental change and can change in real time certainly
One or more performance parameters of body, make composite desired, can be adaptable with environment after change or material
It is compound.Intellectual material is a kind of to integrate material and structure, Intelligent treatment, execution system, control system and sensor-based system
Complicated material system.Its design is with synthesis almost across all high-tech ambits.Shape-memory material is one
Kind of the wide intellectual material of research, it has some unusual performances, such as SME, pseudoelasticity, high-damping etc.,
After heated, machinery, magnetic or electro photoluminescence, can generation action or it is some as defined in respond, it is returned to original shape or technology
Parameter, such as shape, position, strain, intrinsic frequency, rigidity, damping, friction, and other static dynamic characteristics, with huge
Scientific meaning and important engineering significance, are one of new material research focuses.
Conventional polymer matrix composites mainly consider that the intensity of material, rigidity etc. is static or quasi-static mechanics load
Can, it is mainly used in structural material.And composite material of shape memory mainly considers that the driving of material, large deformation (finite deformation) etc. are moved
The mechanics driveability of state, with it is more much higher than usual resins based composites can recovery strain (reach as high as 100% quantity
Level).Relative to conventional polymer matrix composites, composite material of shape memory is revolutionary innovation.Shape memory composite wood
Material modulus of elasticity is big, intensity is higher, and deformation-recovery power is larger, and kinetic stability and reliability are higher, physical form holding capacity
Preferably.
Tire is the annular elastic rubber product rolled in various vehicles or the ground connection mechanically assembled.It is typically mounted on
In alloy rim, vehicle body can be supported, foreign impacts are buffered, the contact with road surface is realized and ensures the driving performance of vehicle.Tire
Often used under complicated and exacting terms, it subjects various modifications, load, power and high/low temperature effect in motion, because
This must have higher load-carrying properties, hauling ability, shock-absorbing capacity.Meanwhile, also require possess high-wearing feature and flexible resistance,
And low rolling resistance and heat generation.Existing tire exists when in use pricks tire, puncture, the risk of explosion, normally travel
Automobile tire running into iron nail prick tire, sharp object puncture, the situation such as explosion, it is easy to cause automobile can not normally travel, it is existing
The majority of case in living that grows directly from seeds can all cause more serious traffic accident, until jeopardizing rider's surname life.
It is less applied to the technology in tire for high molecular polymer in the prior art, and presence is used in tire,
Effectively improve the technical scheme of tire used security and service life.As can be seen here, deficiency of the prior art can be based on,
A kind of new shape memory high molecule polymer is provided, make its effectively apply with the inner side of tire and with tire inner rubber knot
The adhesive bonding completely of structure layer, makes tire when occurring to puncture with breach problem, the shape memory high molecule polymer can be rapid
Resile state, so as to block breach, prevents tire from gas leakage or being blown out because of rupture, tire safety serves pole during to driving
Big improvement, as those skilled in the art's technical barrier urgently to be resolved hurrily.
The content of the invention
The present invention makes it have composition of raw materials in order to solve the above-mentioned technical problem there is provided shape memory high molecule polymer
Rationally, it is easy to use, it is only necessary to by the shape memory high molecule polymer direct spraying on the inside of tire, so as to get up anti-to tire
The effect of shield, when tire occurs to prick tire or rupture, the shape memory high molecule polymer being attached on the inside of tire can be rapid extensive
Restore and carry out form, block breach, prevent bulging of tyre mouthful gas leakage, and significantly reduce the possibility that side is blown out, to driving
When tire safety serve great improvement.
In order to reach above-mentioned technique effect, the present invention includes following technical scheme：
A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：50~150 parts of natural rubber
Glue, 5~40 parts of polyurethane resin, 5~30 parts of ethyl acetate, 0.5~25 part of xylene resin, 2~15 parts of antioxygen
Agent, 0.5~10 part of antioxidant D, 1~15 part of silica and 1~35 part of butyl acrylate.
Further, the raw material components of following parts by weight are included：80~120 parts of natural rubber, 10~2 parts of poly- ammonia
Ester resin, 10~15 parts of ethyl acetate, 1~5 part of xylene resin, 5~10 parts of antioxidant, 1~5 part of antioxidant D,
5~8 parts of silica and 8~15 parts of butyl acrylate.
Further, in addition to parts by weight are 1~5 part of colouring agent；
The silica is polysiloxane-modified silica nanosphere.
Further, the raw material components of following parts by weight are included：5~30 parts of styrene, 2~20 parts of vinyl
Compound, 0.5~5 part of initiator, 0.1~4 part of crosslinking agent and 0.01~60 part it is polymer-modified.
Further, the vinyl compound be vinyl acetate, ethene, butylene, propylene, vinyl chloride, vinylidene,
PVF, vinyl ethers, vinyl carbazole, vinyl pyrrolidone, hexenoic acid methyl esters, methyl acrylate, acrylic acid n-pentyl ester,
Positive 14 ester of the just own ester of acrylic acid, n-octyl, acrylic acid n-capric acid, lauryl acid esters, acrylic acid, acrylic acid are just
Hexadecyl ester, acrylic acid-2-ethyl caproite, senecioate-hydroxyl ethyl ester, senecioate-hydroxypropyl acrylate, acrylic acid ring ethyoxyl ester, third
Olefin(e) acid shrink drier oil ester, senecioate-ethoxy ethyl ester, acrylic acid diethylamino ethyl ester, vinyl laurate, butyric acid ethene
Ester, stearic acid vinyl ester, methyl methacrylate, butyl methacrylate, Tert-butyl Methacrylate, Hexyl 2-propenoate, third
One or more in olefin(e) acid, methacrylic acid, methyl methacrylate, n-BMA or ethyl acrylate；
The initiator is tert-butyl peroxide, tert-butyl hydroperoxide, dibenzoyl peroxide, the isobutyl of azo two
One or more in nitrile, boron trifluoride, boron trifluoride diethyl etherate, borontrifluoride inscription or stannic chloride；
The crosslinking agent be methacrylic acid glycol ester, diallyl diethylene glycol carbonate, allyl methacrylate,
It is diallyl phthalate, suberic acid diallyl, diethylene glycol diacrylate, diethylene glycol dimethacrylate, two sweet
Alcohol divinyl ether, divinyl glycol, decanedioic acid divinyl base ester, glycerol trimethacrylate, 1,5- hexadienes, 1,6-
Hexanediyl ester, HDDMA, N, N '-methylenebismethacrylamide, tetrapropylene acid
Pentaerythritol ester, pentaerythritol triacrylate, pentaerythritol triallyl ether, 1,5-PD dimethylacrylate, four
In glycol dimethylacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate or triethylene glycol divinyl ether
One or more；
It is described it is polymer-modified be polystyrene, styrene-butadiene that mean molecule quantity is 5000~10000 copolymerization
One kind in thing, polyethylene or polypropylene；
The shape-memory polymer is a kind of in thermoplasticity shape-memory polymer or at least two combination, or
A kind of either at least two combination or at least one thermoplasticity shape memory in person's thermoset shape memory polymer gather
The combination of compound and at least one thermoset shape memory polymer；The thermoplasticity shape-memory polymer includes：Polyethylene,
Polypropylene, polyurethane, polymethyl methacrylate, polystyrene, polyisoprene, rubber, polyurethane, polyphenylene sulfide, polyethers
Ketone, polyether-ether-ketone, polysulfones, PEI, TPI, makrolon, polyamide or polyether sulfone；The thermosetting
Shape-memory polymer includes：Epoxy resin, BMI, Thermocurable polyimide, phenolic resin, cyanate ester resin,
Unsaturated polyester (UP) or acrylic resin.
A kind of preparation method of above-mentioned shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin to be kneaded at 200~250 DEG C, basis is made
Material；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, silica and butyl acrylate, are heated to 80~150 DEG C, are incubated 3~7h, are cooled to room temperature,
Obtain shape memory high molecule polymer.
Further, it is further comprising the steps of：In the step 2, colouring agent has been additionally added in basic material.
Further, it is further comprising the steps of：
The step one is：Natural rubber, polyurethane resin and the polymer-modified mixing at 200~250 DEG C are taken, is made
Basic material；
In the step 2, styrene, vinyl compound, initiator and crosslinking agent is taken to mix and be stirred until drawing
Hair agent, which is completely dissolved, obtains mixture, feeds the mixture into the basic material.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
Further, the coating thickness of the shape memory high molecule polymer is 3~10mm.
Using above-mentioned technical proposal, including following beneficial effect：A kind of shape memory high molecule polymer and its system are provided
Preparation Method and purposes, its composition of raw materials design science are reasonable, so as to get shape memory high molecule polymer after supercooling energy
Stable physical properties are kept at -40 DEG C to 120 DEG C, when the automobile is run into tyre prick in normally travel, are attached in tire
The shape memory high molecule polymer of side can rapidly restore to the original state and block breach, and 100% prevents tire landing ground gas leakage, and bright
The possibility that aobvious reduction side is blown out, tire safety serves great improvement during to driving.
Embodiment
The present invention is described in further detail below by specific embodiment.
Embodiment one：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：50 parts of day
Right rubber, 40 parts of polyurethane resin, 5 parts of ethyl acetate, 25 parts of xylene resin, 2 parts of antioxidant, 10 parts anti-old
Agent D, 1 part of silica and 35 parts of butyl acrylate.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
Embodiment two：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：80 parts of day
Right rubber, 25 parts of polyurethane resin, 10 parts of ethyl acetate, 5 parts of xylene resin, 5 parts of antioxidant, 5 parts anti-old
Agent D, 5 parts of silica and 15 parts of butyl acrylate.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin to be kneaded at 210 DEG C, basic material is made；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, silica and butyl acrylate, are heated to 130 DEG C, are incubated 4h, are cooled to room temperature, obtain shape
Remember high molecular polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
Embodiment three：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：110 parts
Natural rubber, 6 parts of polyurethane resin, 12 parts of ethyl acetate, 4 parts of xylene resin, 9 parts of antioxidant, 3 parts anti-old
Agent D, 7 parts of silica, 13 parts of butyl acrylate and 2 parts of colouring agent.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin to be kneaded at 225 DEG C, basic material is made；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, colouring agent, silica and butyl acrylate, are heated to 100 DEG C, are incubated 6h, are cooled to room temperature,
Obtain shape memory high molecule polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
The coating thickness of the shape memory high molecule polymer is 3~10mm.
Example IV：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：80 parts of day
Right rubber, 2 parts of polyurethane resin, 10 parts of ethyl acetate, 5 parts of xylene resin, 5 parts of antioxidant, 5 parts of age resistor
D, 5 parts of silica, 15 parts of butyl acrylate, 5 parts of styrene, 20 parts of vinyl compound, 0.5 part of initiator, 4
Part crosslinking agent and 0.01 part it is polymer-modified.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin and the polymer-modified mixing at 200 DEG C, system
Obtain basic material；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, colouring agent, silica, butyl acrylate, styrene, vinyl compound, initiator and crosslinking
Agent, is heated to 100 DEG C, is incubated 4h, is cooled to room temperature, obtains shape memory high molecule polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
The coating thickness of the shape memory high molecule polymer is 5mm.
Embodiment five：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：100 parts
Natural rubber, 20 parts of polyurethane resin, 12 parts of ethyl acetate, 3 parts of xylene resin, 8 parts of antioxidant, 3 parts anti-
Old agent D, 6 parts of silica, 12 parts of butyl acrylate, 25 parts of styrene, 15 parts of vinyl compound, 2 parts of initiations
Agent, 2 parts of crosslinking agents and 20 parts it is polymer-modified.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin and the polymer-modified mixing at 250 DEG C, system
Obtain basic material；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, colouring agent, silica, butyl acrylate, styrene, vinyl compound, initiator and crosslinking
Agent, is heated to 120 DEG C, is incubated 5h, is cooled to room temperature, obtains shape memory high molecule polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
The coating thickness of the shape memory high molecule polymer is 3~10mm.
Embodiment six：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：120 parts
Natural rubber, 10 parts of polyurethane resin, 15 parts of ethyl acetate, 1 part of xylene resin, 10 parts of antioxidant, 1 part anti-
Old agent D, 8 parts of silica, 8 parts of butyl acrylate, 30 parts of styrene, 2 parts of vinyl compound, 5 parts of initiators,
0.1 part of crosslinking agent and 60 parts it is polymer-modified.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin and the polymer-modified mixing at 220 DEG C, system
Obtain basic material；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, age resistor, D, colouring agent, silica, butyl acrylate, styrene, vinyl compound, initiator and friendship
Join agent, be heated to 150 DEG C, be incubated 3h, be cooled to room temperature, obtain shape memory high molecule polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
The coating thickness of the shape memory high molecule polymer is 3mm.
Embodiment seven：A kind of shape memory high molecule polymer, includes the raw material components of following parts by weight：150 parts
Natural rubber, 5 parts of polyurethane resin, 30 parts of ethyl acetate, 0.5 part of xylene resin, 15 parts of antioxidant, 0.5 part
Antioxidant D, 15 parts of silica and 1 part of butyl acrylate.
A kind of preparation method of shape memory high molecule polymer, comprises the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin to be kneaded at 250 DEG C, basic material is made；
Step 2：Prepare shape memory high molecule polymer：Ethyl acetate, dimethylbenzene tree are added into the basic material
Fat, antioxidant, antioxidant D, silica and butyl acrylate, are heated to 80 DEG C, are incubated 7h, are cooled to room temperature, obtain shape
Remember high molecular polymer.
A kind of purposes of shape memory high molecule polymer, the shape memory high molecule polymer is used to spray by melting
It is applied on the inside of automobile tire.
The coating thickness of the shape memory high molecule polymer is 10mm.
In example IV, embodiment five and embodiment six, the vinyl compound is vinyl acetate, ethene, fourth
Alkene, propylene, vinyl chloride, vinylidene, PVF, vinyl ethers, vinyl carbazole, vinyl pyrrolidone, hexenoic acid methyl esters,
Methyl acrylate, acrylic acid n-pentyl ester, the just own ester of acrylic acid, n-octyl, acrylic acid n-capric acid, lauryl acid
Positive 14 ester of ester, acrylic acid, the positive hexadecyl ester of acrylic acid, acrylic acid-2-ethyl caproite, senecioate-hydroxyl ethyl ester, senecioate-
Hydroxypropyl acrylate, acrylic acid ring ethyoxyl ester, acrylic acid shrink drier oil ester, senecioate-ethoxy ethyl ester, acrylic acid diethylamino
Ethyl ester, vinyl laurate, vinyl butyrate, stearic acid vinyl ester, methyl methacrylate, butyl methacrylate, methyl
Tert-butyl acrylate, Hexyl 2-propenoate, acrylic acid, methacrylic acid, methyl methacrylate, n-BMA or third
One or more in olefin(e) acid ethyl ester；
The initiator is tert-butyl peroxide, tert-butyl hydroperoxide, dibenzoyl peroxide, the isobutyl of azo two
One or more in nitrile, boron trifluoride, boron trifluoride diethyl etherate, borontrifluoride inscription or stannic chloride；
The crosslinking agent be methacrylic acid glycol ester, diallyl diethylene glycol carbonate, allyl methacrylate,
It is diallyl phthalate, suberic acid diallyl, diethylene glycol diacrylate, diethylene glycol dimethacrylate, two sweet
Alcohol divinyl ether, divinyl glycol, decanedioic acid divinyl base ester, glycerol trimethacrylate, 1,5- hexadienes, 1,6-
Hexanediyl ester, HDDMA, N, N '-methylenebismethacrylamide, tetrapropylene acid
Pentaerythritol ester, pentaerythritol triacrylate, pentaerythritol triallyl ether, 1,5-PD dimethylacrylate, four
In glycol dimethylacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate or triethylene glycol divinyl ether
One or more；
It is described it is polymer-modified be polystyrene, styrene-butadiene that mean molecule quantity is 5000~10000 copolymerization
One kind in thing, polyethylene or polypropylene；
The shape-memory polymer is a kind of in thermoplasticity shape-memory polymer or at least two combination, or
A kind of either at least two combination or at least one thermoplasticity shape memory in person's thermoset shape memory polymer gather
The combination of compound and at least one thermoset shape memory polymer；The thermoplasticity shape-memory polymer includes：Polyethylene,
Polypropylene, polyurethane, polymethyl methacrylate, polystyrene, polyisoprene, rubber, polyurethane, polyphenylene sulfide, polyethers
Ketone, polyether-ether-ketone, polysulfones, PEI, TPI, makrolon, polyamide or polyether sulfone；The thermosetting
Shape-memory polymer includes：Epoxy resin, BMI, Thermocurable polyimide, phenolic resin, cyanate ester resin,
Unsaturated polyester (UP) or acrylic resin.
Shape-memory material is primarily now to refer in particular to " thermally sensitive shape memory materials ", and it is that shape can be become by a kind of shape
For a kind of temporary shapes, the material of original form then can be reverted to by temporary shapes again under the conditions of thermostimulation.
Evaluating shape-memory material performance mainly has two parameters.One is shape recovery rate, weighs the journey of recovery of shape
Degree.Another is shape fixed rate, weighs shape and is changed into after temporary shapes, the effect that temporary shapes are kept before reply.The two
The calculating formula of parameter is as follows.When the two parameters closer to 1 when, shape-memory properties are better.
Detection embodiment one is to the above-mentioned numerical value of embodiment seven successively, and it the results are shown in Table shown in 1.
The shape-memory material performance detection experimental result of table 1
As knowable to the data of table 1, the shape memory high molecule polymer form that the embodiment of the present invention one to embodiment seven is provided
Memory material performance is good, and more suitable with tire, with pre- anti-prick tyre, wherein most preferred embodiment is embodiment five.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of shape memory high molecule polymer, it is characterised in that include the raw material components of following parts by weight：50~150
Part natural rubber, 5~40 parts of polyurethane resin, 5~30 parts of ethyl acetate, 0.5~25 part of xylene resin, 2~
15 parts of antioxidant, 0.5~10 part of antioxidant D, 1~15 part of silica and 1~35 part of butyl acrylate.
2. shape memory high molecule polymer according to claim 1, it is characterised in that include the original of following parts by weight
Expect component：80~120 parts of natural rubber, 10~25 parts of polyurethane resin, 10~15 parts of ethyl acetate, the two of 1~5 part
Toluene resin, 5~10 parts of antioxidant, 1~5 part of antioxidant D, 5~8 parts of silica and 8~15 parts of acrylic acid fourth
Fat.
3. the shape memory high molecule polymer according to any one of claim 1 or 2, it is characterised in that also including weight
Number is 1~5 part of colouring agent；
The silica is polysiloxane-modified silica nanosphere.
4. the shape memory high molecule polymer according to any one of claim 1 or 2, it is characterised in that also including following
The raw material components of parts by weight：5~30 parts of styrene, 2~20 parts of vinyl compound, 0.5~5 part of initiator, 0.1~
4 parts of crosslinking agents and 0.01~60 part it is polymer-modified.
5. shape memory high molecule polymer according to claim 4, it is characterised in that the vinyl compound is second
Vinyl acetate, ethene, butylene, propylene, vinyl chloride, vinylidene, PVF, vinyl ethers, vinyl carbazole, vinyl pyrrole
Alkanone, hexenoic acid methyl esters, methyl acrylate, acrylic acid n-pentyl ester, the just own ester of acrylic acid, n-octyl, the acrylic acid positive last of the ten Heavenly stems
Acid, lauryl acid esters, positive 14 ester of acrylic acid, the positive hexadecyl ester of acrylic acid, acrylic acid-2-ethyl caproite, senecioate-hydroxyl
Ethyl ester, senecioate-hydroxypropyl acrylate, acrylic acid ring ethyoxyl ester, acrylic acid shrink drier oil ester, senecioate-ethoxy ethyl ester, third
Olefin(e) acid diethylamino ethyl ester, vinyl laurate, vinyl butyrate, stearic acid vinyl ester, methyl methacrylate, methyl-prop
Olefin(e) acid butyl ester, Tert-butyl Methacrylate, Hexyl 2-propenoate, acrylic acid, methacrylic acid, methyl methacrylate, methyl-prop
One or more in olefin(e) acid N-butyl or ethyl acrylate；
The initiator be tert-butyl peroxide, tert-butyl hydroperoxide, dibenzoyl peroxide, azodiisobutyronitrile,
One or more in boron trifluoride, boron trifluoride diethyl etherate, borontrifluoride inscription or stannic chloride；
The crosslinking agent is methacrylic acid glycol ester, diallyl diethylene glycol carbonate, allyl methacrylate, adjacent benzene
Diformazan diallyl phthalate, suberic acid diallyl, diethylene glycol diacrylate, diethylene glycol dimethacrylate, diethylene glycol (DEG) two
Vinyl ethers, divinyl glycol, decanedioic acid divinyl base ester, glycerol trimethacrylate, 1,5- hexadienes, 1,6- oneself two
Alcohol diacrylate, HDDMA, N, N '-methylenebismethacrylamide, tetrapropylene sour season penta
Four alcohol esters, pentaerythritol triacrylate, pentaerythritol triallyl ether, 1,5-PD dimethylacrylate, tetraethylene glycol
One in dimethylacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate or triethylene glycol divinyl ether
Plant or several；
It is described it is polymer-modified be mean molecule quantity be 5000~10000 polystyrene, the copolymer of styrene-butadiene,
One kind in polyethylene or polypropylene；
The shape-memory polymer is a kind of in thermoplasticity shape-memory polymer or at least two combination, Huo Zhere
A kind of either at least two combination or at least one thermoplasticity shape-memory polymer in solidity shape-memory polymer
With the combination of at least one thermoset shape memory polymer；The thermoplasticity shape-memory polymer includes：Polyethylene, poly- third
It is alkene, polyurethane, polymethyl methacrylate, polystyrene, polyisoprene, rubber, polyurethane, polyphenylene sulfide, polyether-ketone, poly-
Ether ether ketone, polysulfones, PEI, TPI, makrolon, polyamide or polyether sulfone；The thermosetting shape
Memory polymer includes：Epoxy resin, BMI, Thermocurable polyimide, phenolic resin, cyanate ester resin, insatiable hunger
With polyester or acrylic resin.
6. a kind of preparation method of the shape memory high molecule polymer described in any one of Claims 1 to 5, it is characterised in that
Comprise the following steps：
Step one：Prepare basic material：Take natural rubber, polyurethane resin to be kneaded at 200~250 DEG C, basic material is made；
Step 2：Prepare shape memory high molecule polymer：Into the basic material add ethyl acetate, xylene resin,
Antioxidant, antioxidant D, silica and butyl acrylate, are heated to 80~150 DEG C, are incubated 3~7h, are cooled to room temperature, obtain
Shape memory high molecule polymer.
7. the preparation method of shape memory high molecule polymer according to claim 6, it is characterised in that also including following
Step：In the step 2, colouring agent has been additionally added in basic material.
8. the preparation method of shape memory high molecule polymer according to claim 6, it is characterised in that also including following
Step：
The step one is：Natural rubber, polyurethane resin and the polymer-modified mixing at 200~250 DEG C are taken, basis is made
Material；
In the step 2, styrene, vinyl compound, initiator and crosslinking agent is taken to mix and be stirred until initiator
It is completely dissolved and obtains mixture, feeds the mixture into the basic material.
9. a kind of purposes of shape memory high molecule polymer, it is characterised in that the shape memory high molecule polymer passes through
Melt for being sprayed on the inside of automobile tire.
10. the purposes of shape memory high molecule polymer according to claim 9, it is characterised in that the shape memory
The coating thickness of high molecular polymer is 3~10mm.
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| CN107698760A (en) * | 2017-10-21 | 2018-02-16 | 芮志行 | A kind of preparation method of aging-resisting type shape memory polyimides |
| CN107722599A (en) * | 2017-10-22 | 2018-02-23 | 桂林理工大学 | A kind of preparation method of TPU/EP composite material of shape memory |
| CN110294931A (en) * | 2019-06-26 | 2019-10-01 | 航天材料及工艺研究所 | A kind of bimaleimide resin base body and the preparation method and application thereof |
| CN114381047A (en) * | 2022-01-26 | 2022-04-22 | 宁波磐固工程技术有限公司 | Memory rubber with high cohesiveness and preparation method and application thereof |
| CN115991986A (en) * | 2021-10-19 | 2023-04-21 | 中国石油化工股份有限公司 | Oil displacement agent for oil field and preparation method thereof |
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| CN107698760A (en) * | 2017-10-21 | 2018-02-16 | 芮志行 | A kind of preparation method of aging-resisting type shape memory polyimides |
| CN107722599A (en) * | 2017-10-22 | 2018-02-23 | 桂林理工大学 | A kind of preparation method of TPU/EP composite material of shape memory |
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