CN108014726B - A kind of forming and machining method being used to prepare cross-linked polymer polymer material - Google Patents
A kind of forming and machining method being used to prepare cross-linked polymer polymer material Download PDFInfo
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- CN108014726B CN108014726B CN201711261988.7A CN201711261988A CN108014726B CN 108014726 B CN108014726 B CN 108014726B CN 201711261988 A CN201711261988 A CN 201711261988A CN 108014726 B CN108014726 B CN 108014726B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
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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
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers 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
- C08F271/00—Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00
- C08F271/02—Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00 on to polymers of monomers containing heterocyclic nitrogen
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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
- C08F283/02—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonates or saturated polyesters
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Abstract
The present invention provides a kind of forming and machining method for being used to prepare cross-linked polymer polymer material, belongs to materials processing technology field.The method includes obtaining the decomposition temperature of thermoset cross-linked high molecular polymer nanosphere according to the thermoset cross-linked high molecular polymer nanosphere obtained；Thermoset cross-linked high molecular polymer nanosphere is subjected to precompressed compacting, while being kept condition of high vacuum degree, to exclude the gas in thermoset cross-linked high molecular polymer nanosphere；According to decomposition temperature, the thermoset cross-linked high molecular polymer nanosphere after precompressed compacting is heated, thermoset cross-linked high molecular polymer nanosphere is made to generate softening；Thermoset cross-linked high molecular polymer nanosphere after heating is cooled down, macromolecule polymer material is made.The present invention reaches during preparing macromolecule polymer material, is lower than under decomposition temperature and condition of high voltage, again by the technical effect of macromolecule polymer material machine-shaping.
Description
Technical field
The invention belongs to materials processing technology field, in particular to a kind of cross-linked polymer polymer material that is used to prepare
Forming and machining method.
Background technique
Plastics are, by high-molecular compound made of addition polymerization or polycondensation polymerized, to be commonly called as plastics using monomer as raw material
Or resin, it can freely change ingredient and body styles.The main component of plastics is resin, such as rosin, shellac, resin refer to
The high-molecular compound not yet mixed with various additives.Resin accounts for about the 40%~100% of plastics total weight.Plastics it is basic
Performance depends mainly on the person's character of resin, but additive also plays an important role.Some plastics are substantially by synthetic resin institute
Composition is free of or less containing additive, such as organic glass, polystyrene, polycarbonate.
Currently, macromolecule polymer material is widely used in production plastics, mainly using thermosetting resin as main component, match
Close the plastics for passing through crosslinking curing process molded article with various necessary additives.It is liquid in the early period for the process of being manufactured
State can soften flowing when heating for the first time, be heated to certain temperature, generate chemically react, cross-linking reaction and cure hard, this
Kind variation is irreversible.Organic solvent or heating melting or softening cannot be dissolved in after solidification.Thermosetting plastics belongs to just
Property and brittle material, are heated to some temperature range or more for thermosetting plastics, material can also soften, and rigidity can reduce
To the 1/100 of initial value, further heating destroys the primary bond caused in material, therefore can not shape again.
In conclusion can not divide being lower than in the existing technology for preparing thermoset cross-linked macromolecule polymer material
It solves under temperature and condition of high voltage, again by the technological deficiency of thermoset cross-linked macromolecule polymer material machine-shaping.
Summary of the invention
The technical problem to be solved by the present invention is to deposit in the technology for preparing thermoset cross-linked macromolecule polymer material
Can not be lower than under decomposition temperature and condition of high voltage, the technological deficiency of machine-shaping again.
In order to solve the above technical problems, the present invention provides a kind of formings for being used to prepare cross-linked polymer polymer material
Processing method, the method for being used to prepare macromolecule polymer material include: to obtain thermoset cross-linked high molecular polymer
Nanosphere；According to the thermoset cross-linked high molecular polymer nanosphere of the acquisition, obtain described thermoset cross-linked
The decomposition temperature of high molecular polymer nanosphere；The thermoset cross-linked high molecular polymer nanosphere is subjected to precompressed
Compacting, to exclude the gas in the thermoset cross-linked high molecular polymer nanosphere；According to the decomposition temperature, to institute
It states the thermoset cross-linked high molecular polymer nanosphere after precompressed is compacted to be heated, so that described thermoset cross-linked
High molecular polymer nanosphere generates softening；To the thermoset cross-linked high molecular polymer nanosphere after the heating into
Row cooling, the macromolecule polymer material is made.
Further, it is described obtain thermoset cross-linked high molecular polymer nanosphere include: by emulsion polymerization,
Obtain thermoset cross-linked high molecular polymer nanosphere.
Further, described by emulsion polymerization, obtaining thermoset cross-linked high molecular polymer nanosphere includes:
The macromolecule polymer material that methymethacrylate, polystyrene, polycarbonate etc. can be synthesized by emulsion polymerization, and
Crosslinking agent is added in polymerization process, it is contour to generate thermoset cross-linked polymethyl methacrylate, polystyrene, polycarbonate
The lotion of Molecularly Imprinted Polymer material；By the thermoset cross-linked polymethyl methacrylate, polystyrene, poly- carbonic acid of the generation
The lotion of the macromolecule polymer materials such as ester is freezed and is dried, micro- with the high molecular polymer nanometer for obtaining thermoset cross-linked
Ball.
Further, the thermoset cross-linked high molecular polymer nanosphere is polymethyl methacrylate, polyphenyl
The powder for the cross-linked polymer polymer material that ethylene, polycarbonate etc. can be synthesized by emulsion polymerization, the thermosetting sexual intercourse
The diameter range of the high molecular polymer nanosphere of connection is 1nm -800nm.
Further, the thermoset cross-linked high molecular polymer nanosphere according to the acquisition, described in acquisition
The decomposition temperature of thermoset cross-linked high molecular polymer nanosphere includes: to obtain the thermoset cross-linked high molecular polymerization
The sample of object nanosphere；Thermogravimetric analysis experiment is carried out to the sample, to obtain the thermoset cross-linked high molecular polymerization
The decomposition temperature of object nanosphere.
Further, described that the thermoset cross-linked high molecular polymer nanosphere is subjected to precompressed compacting and is kept
Condition of high vacuum degree includes: by the thermosetting property to exclude the gas in the thermoset cross-linked high molecular polymer nanosphere
The high molecular polymer nanosphere of crosslinking is placed in mold cavity；To the thermoset cross-linked height being placed in mold cavity
Molecularly Imprinted Polymer nanosphere carries out precompressed compacting, to exclude in the thermoset cross-linked high molecular polymer nanosphere
Gas.
Further, described according to the decomposition temperature, to the thermoset cross-linked macromolecule after precompressed compacting
Polymer nano-microspheres are heated, so that the thermoset cross-linked high molecular polymer nanosphere generation softening includes:
According to the decomposition temperature, the processing temperature of the thermoset cross-linked high molecular polymer nanosphere is obtained；According to described in
Processing temperature heats the thermoset cross-linked high molecular polymer nanosphere after precompressed compacting, makes described
Thermoset cross-linked high molecular polymer nanosphere softening.
Further, the range of the processing temperature is glass transformation temperature between decomposition temperature.
Further, the thermoset cross-linked high molecular polymer nanosphere to after the heating cools down,
It include: to the thermoset cross-linked high molecular polymer nanosphere after the heating so that the macromolecule polymer material is made
Carry out pressure maintaining；According to certain temperature cooling velocity, to the thermoset cross-linked high molecular polymer nanosphere in pressure maintaining
It is cooled down；To pressure release is carried out in the mold cavity, the macromolecule polymer material is made.
Further, the temperature cooling velocity range is 1 DEG C/min-, 30 DEG C/min.
The utility model has the advantages that
The present invention provides a kind of forming and machining method for being used to prepare cross-linked polymer polymer material, by obtaining thermosetting
After the high molecular polymer nanosphere of sexual intercourse connection, the decomposition temperature of thermoset cross-linked high molecular polymer nanosphere is obtained
Degree；Precompressed compacting is carried out to thermoset cross-linked high molecular polymer nanosphere again and keeps condition of high vacuum degree, described in excluding
Gas in thermoset cross-linked high molecular polymer nanosphere；Then according to decomposition temperature, after precompressed compacting
Thermoset cross-linked high molecular polymer nanosphere heated so that the thermoset cross-linked high molecular polymer is received
Meter Wei Qiu generates softening；The thermoset cross-linked high molecular polymer nanosphere after softening is cooled down again, is then made
The macromolecule polymer material.After thermoset cross-linked macromolecule is prepared into the high-intensitive microballoon of nanoscale size,
There are the effects of electrostatic repulsion, van der Waals interaction and volume excluding between high-intensitive microsphere particles, so that point of polymer
Scattered lotion can long-time stable exist, then can by freeze-drying obtain polymer powder.Polymer microballoon specific surface area
Bigger, polymer microballoon has the characteristics that excellent adsorption and responsiveness is fast has thermoset cross-linked high molecular polymer powder
Nanometer size effect.Then can the machine-shaping again under lower than condition of high voltage under decomposition temperature, keep the microcosmic shape of raw material
State overcomes the crosslinked polymeric machine-shaping problem again of thermoplasticity.To reach and can prepare high molecular polymer
In materials process, it is lower than under decomposition temperature and condition of high voltage, again by the technical effect of macromolecule polymer material machine-shaping.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of forming and machining method for being used to prepare cross-linked polymer polymer material provided in an embodiment of the present invention
Flow chart.
Specific embodiment
The invention discloses the present invention to provide a kind of forming and machining method for being used to prepare cross-linked polymer polymer material,
After obtaining thermoset cross-linked high molecular polymer nanosphere, thermoset cross-linked high molecular polymer nanometer is obtained
The decomposition temperature of microballoon；Precompressed compacting is carried out to thermoset cross-linked high molecular polymer nanosphere again, to exclude the heat
Gas in the high molecular polymer nanosphere of solidity crosslinking；Then according to decomposition temperature, after precompressed compacting
Thermoset cross-linked high molecular polymer nanosphere is heated, so that the thermoset cross-linked high molecular polymer nanometer
Microballoon generates softening；The thermoset cross-linked high molecular polymer nanosphere after softening is cooled down again, institute is then made
State macromolecule polymer material.It is high after thermoset cross-linked macromolecule is prepared into the high-intensitive microballoon of nanoscale size
There are the effects of electrostatic repulsion, van der Waals interaction and volume excluding between intensity microsphere particles, so that the dispersion of polymer
Lotion can long-time stable exist, then can by freeze-drying obtain polymer powder.Polymer microballoon specific surface area ratio
It is larger, polymer microballoon have the characteristics that excellent adsorption and responsiveness it is fast make thermoset cross-linked high molecular polymer powder have receive
Rice dimensional effect.Then can the machine-shaping again under lower than condition of high voltage under decomposition temperature, keep the micromorphology of raw material,
Overcome the crosslinked polymeric machine-shaping problem again of thermoplasticity.To reach and can prepare macromolecule polymer material
In the process, it is lower than under decomposition temperature and condition of high voltage, again by the technical effect of macromolecule polymer material machine-shaping.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range；Wherein "and/or" keyword involved in this implementation, indicate and or two kinds of situations, in other words, the present invention implement
A and/or B mentioned by example, illustrate two kinds of A and B, A or B situations, describe three kinds of states present in A and B, such as A and/or
B, indicate: only including A does not include B；Only including B does not include A；Including A and B.
Meanwhile in the embodiment of the present invention, when component is referred to as " being fixed on " another component, it can be directly at another
On component or there may also be components placed in the middle.When a component is considered as " connection " another component, it be can be directly
It is connected to another component or may be simultaneously present component placed in the middle.When a component is considered as " being set to " another group
Part, it, which can be, is set up directly on another component or may be simultaneously present component placed in the middle.Made in the embodiment of the present invention
Term "vertical", "horizontal", "left" and "right" and similar statement are merely for purposes of illustration, and are not intended to
The limitation present invention.
Referring to Figure 1, Fig. 1 is a kind of forming and machining method journey figure for being used to prepare cross-linked polymer polymer material.This
The method that is used to prepare macromolecule polymer material that inventive embodiments provide, the macromolecule polymer material that is used to prepare
Method includes:
Step S100 obtains thermoset cross-linked high molecular polymer nanosphere.
Thermoset cross-linked high molecular polymer nanosphere can be obtained by emulsion polymerization.Methyl can be passed through
The emulsion polymerization of the macromolecule polymer materials such as methacrylate, polystyrene, polycarbonate reacts, and in the course of the polymerization process
Crosslinking agent is added, it can be poly- by lotion to generate thermoset cross-linked polymethyl methacrylate, polystyrene, polycarbonate etc.
The lotion of the macromolecule polymer material of legal synthesis；(citing same class material (such as PS, PC) and crosslinking agent (such as EGDMA,
TMPTMA, PETA, DVB etc.), and the different degrees of cross linking) the thermoset cross-linked polymethyl methacrylate of the generation is newborn
Liquid, polystyrene, polycarbonate etc. can be freezed and be sprayed by the macromolecule polymer material lotion that emulsion polymerization synthesizes
Mist is dry, to obtain thermoset cross-linked high molecular polymer nanosphere.Wherein, the thermoset cross-linked high molecular polymerization
Object nanosphere is the macromolecule that polymethyl methacrylate, polystyrene, polycarbonate etc. can be synthesized by emulsion polymerization
The diameter range of polymer material powder, the thermoset cross-linked high molecular polymer nanosphere is 1nm-
800nm。
Specifically, thermoset cross-linked high molecular polymer nanosphere can be prepared by emulsion polymerization.Cream
Liquid polymerization can refer to the effect by emulsifier, and under mechanical stirring or oscillation, monomer forms lotion in water and carries out
Polymerization emulsion polymerization product be latex, can directly apply, latex can also be destroyed, it is washed, dry etc. post-process
Process obtains powdery or needle-shaped polymer.Emulsion polymerization can obtain the polymerization of higher molecular weight under higher reaction speed
Object, emulsion polymerization have the viscosity of material low, are easy to conduct heat and mix, produce easily controlled advantage,
The emulsion polymerization of the macromolecule polymer materials such as methymethacrylate, polystyrene, polycarbonate can be passed through
Method reaction, adds crosslinking agent in the course of the polymerization process, to generate thermoset cross-linked polymethyl methacrylate, polystyrene, gather
The lotion for the macromolecule polymer material that carbonic ester etc. can be synthesized by emulsion polymerization.Thermoset cross-linked poly- methyl will be generated
After the emulsion freeze drying completely of the macromolecule polymer materials such as methyl acrylate, polystyrene, polycarbonate, it can obtain
The cross-linked polymer polymer that emulsion polymerization synthesizes can be passed through to polymethyl methacrylate, polystyrene, polycarbonate etc.
The powder of material.Polymethyl methacrylate, polystyrene, polycarbonate etc. can be crosslinked high score by what emulsion polymerization synthesized
The size of the powder of sub- polymer material can be Nano grade, and the shape of polymethylmethacrylate powder can be rendered as micro-
The diameter range of spherical structure, i.e. polymethylmethacrylate powder microballoon is 1nm -800nm.
Step S200 obtains the thermosetting according to the thermoset cross-linked high molecular polymer nanosphere of the acquisition
The decomposition temperature of the high molecular polymer nanosphere of sexual intercourse connection.
The sample of the available thermoset cross-linked high molecular polymer nanosphere；And the sample is carried out
Thermogravimetric analysis experiment, to obtain the decomposition temperature of the thermoset cross-linked high molecular polymer nanosphere.
Specifically, can be by step S100, after obtaining thermoset cross-linked high molecular polymer nanosphere.Root
Needed according to test, weigh a small amount of thermoset cross-linked high molecular polymer nanospheres as sample, to the sample into
Row thermogravimetric analysis experiment, to obtain the decomposition temperature of thermoset cross-linked high molecular polymer nanospheres.It can be to lose
Weighing to 1% is standard, accurately determines decomposition temperature.Such as the decomposition temperature of polymethylmethacrylate powder material can be
270 DEG C, the processing temperature of polymethylmethacrylate powder material can 90.5 DEG C -260 DEG C (glass transition temperature and point
Solve temperature) between.
The thermoset cross-linked high molecular polymer nanosphere is carried out precompressed compacting and keeps Gao Zhen by step S300
Reciprocal of duty cycle, to exclude the gas in the thermoset cross-linked high molecular polymer nanosphere.
The thermoset cross-linked high molecular polymer nanosphere can be placed in mold cavity；Again to being placed on
Thermoset cross-linked high molecular polymer nanosphere in mold cavity carries out precompressed compacting, described thermoset cross-linked to exclude
High molecular polymer nanosphere in gas.
Continuing with being a kind of method flow diagram for being used to prepare macromolecule polymer material referring to Fig. 1, Fig. 1.It can foundation
Step S100, after obtaining thermoset cross-linked high molecular polymer nanospheres.According to actual needs, it weighs a certain amount of
High molecular polymer nanosphere dusty material be placed in mold cavity.Pass through the thermosetting to being placed in mold cavity again
The high molecular polymer nanosphere of sexual intercourse connection carries out precompressed compacting and keeps condition of high vacuum degree, thermoset cross-linked to exclude completely
Gas in high molecular polymer nanosphere.
Step S400, according to the decomposition temperature, to the thermoset cross-linked high molecular polymerization after precompressed compacting
Object nanosphere is heated, so that the thermoset cross-linked high molecular polymer nanosphere generates softening.
The processing temperature of the thermoset cross-linked high molecular polymer nanosphere can be obtained according to the decomposition temperature
Degree；According to the processing temperature, the thermoset cross-linked high molecular polymer nanosphere after precompressed compacting is carried out
Heating, softens the thermoset cross-linked high molecular polymer nanosphere；Wherein, the range of the processing temperature is glass
Between conversion temperature and decomposition temperature.
Specifically, can according in step S200, the thermoset cross-linked high molecular polymer nanosphere of acquisition
Decomposition temperature determines the range of processing temperature, such as the decomposition temperature of polymethylmethacrylate powder material can be 270
DEG C, the processing temperature of polymethylmethacrylate powder material can be between 90.5 DEG C -260 DEG C.It is excluded by step S300
Gas in the thermoset cross-linked high molecular polymer nanosphere.In the range of processing temperature, it is compacted to precompressed
Thermoset cross-linked high molecular polymer nanosphere afterwards is heated.After heating, according to actual needs, it can keep the temperature again
For a period of time, come so that thermoset cross-linked high molecular polymer nanospheres soften completely.
Step S500 cools down the thermoset cross-linked high molecular polymer nanosphere after the heating, with system
At the macromolecule polymer material.
Pressure maintaining can be carried out to the thermoset cross-linked high molecular polymer nanosphere after the heating；According to certain
Temperature cooling velocity cools down the thermoset cross-linked high molecular polymer nanosphere in pressure maintaining；To the mould
The intracavitary carry out pressure release of tool type, the macromolecule polymer material is made.Wherein, the temperature cooling velocity range be 1 DEG C-
30℃。
Continuing with being a kind of method flow diagram for being used to prepare macromolecule polymer material referring to Fig. 1, Fig. 1.It can pass through
Step S400, after making the thermoset cross-linked high molecular polymer nanosphere generate softening.Remain filled with thermosetting sexual intercourse
The die pressure of the high molecular polymer nanospheres of connection is constant, can be by keeping invariablenes pressure of liquid come so that on mold
Pressure is constant.The magnitude range of the pressure value can be 5MPa or more, it is assumed for example that the pressure is A, then A >=5MPa.If A <
5MPa, then can be due to the hypotony on mold, so that can not be by thermoset cross-linked high molecular polymer nanospheres
It mixes.
It, can be with after the die pressure for remaining filled with thermoset cross-linked high molecular polymer nanospheres is constant
Heating (stop heating) is closed, is cooled to room temperature to mold and then unloading pressure, product is taken out.Pressure can be used
Machine slowly extrudes product, obtains product.
As fruit product in conjunction with mold too closely, can be isolated in a manner of used freezing.Such as use hermetic bag
It seals mold core, is placed on after freezing 15min in refrigerator, then it can be by product and mold separation.
The present invention provides a kind of forming and machining method for being used to prepare cross-linked polymer polymer material, by obtaining thermosetting
After the high molecular polymer nanosphere of sexual intercourse connection, the decomposition temperature of thermoset cross-linked high molecular polymer nanosphere is obtained
Degree；Precompressed compacting is carried out to thermoset cross-linked high molecular polymer nanosphere again, to exclude the thermoset cross-linked height
Gas in Molecularly Imprinted Polymer nanosphere；Then according to decomposition temperature, to thermoset cross-linked after precompressed compacting
High molecular polymer nanosphere is heated, so that the thermoset cross-linked high molecular polymer nanosphere generation is soft
Change；The thermoset cross-linked high molecular polymer nanosphere after softening is cooled down again, the polyphosphazene polymer is then made
Close object material.After thermoset cross-linked macromolecule is prepared into the high-intensitive microballoon of nanoscale size, high-intensitive framboid
There are the effect of electrostatic repulsion, van der Waals interaction and volume excluding between son, the dispersion emulsion of polymer is grown
Time is stabilized, and then can obtain polymer powder by freeze-drying.Polymer microballoon specific surface area is bigger, polymer
Microballoon have the characteristics that excellent adsorption and responsiveness it is fast make thermoset cross-linked high molecular polymer powder have nanometer size effect.
Then can the machine-shaping again under lower than condition of high voltage under decomposition temperature, keep the micromorphology of raw material, overcome thermoplastic
The crosslinked polymeric machine-shaping problem again of property.It can be low during preparing macromolecule polymer material to reach
Under decomposition temperature and condition of high voltage, again by the technical effect of macromolecule polymer material machine-shaping.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of forming and machining method for being used to prepare cross-linked polymer polymer material, which is characterized in that described to be used to prepare
The forming and machining method of cross-linked polymer polymer material includes:
Obtain thermoset cross-linked high molecular polymer nanosphere；
According to the thermoset cross-linked high molecular polymer nanosphere of the acquisition, the thermoset cross-linked macromolecule is obtained
The decomposition temperature of polymer nano-microspheres；
The thermoset cross-linked high molecular polymer nanosphere is subjected to precompressed compacting, it is described thermoset cross-linked to exclude
Gas in high molecular polymer nanosphere；
According to the decomposition temperature, the thermoset cross-linked high molecular polymer nanosphere after precompressed compacting is carried out
Heating, so that the thermoset cross-linked high molecular polymer nanosphere generates softening；
Thermoset cross-linked high molecular polymer nanosphere after the heating is cooled down, the polyphosphazene polymer is made
Close object material.
2. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 1, which is characterized in that
It is described to obtain thermoset cross-linked high molecular polymer nanosphere and include:
By emulsion polymerization, thermoset cross-linked high molecular polymer nanosphere is obtained.
3. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 2, which is characterized in that
It is described by emulsion polymerization, obtaining thermoset cross-linked high molecular polymer nanosphere includes:
By methymethacrylate polymerization reaction, and crosslinking agent is added in the course of the polymerization process, to generate thermoset cross-linked gather
Methyl methacrylate lotion；
The thermoset cross-linked polymethyl methacrylate lotion of the generation is freezed and dried, to obtain thermosetting property
The high molecular polymer nanosphere of crosslinking.
4. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 3, it is characterised in that:
The thermoset cross-linked high molecular polymer nanosphere is polymethylmethacrylate powder, described thermoset cross-linked
The diameter range of high molecular polymer nanosphere be 1nm -800nm.
5. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 4, which is characterized in that
The thermoset cross-linked high molecular polymer nanosphere according to the acquisition obtains the thermoset cross-linked macromolecule
The decomposition temperature of polymer nano-microspheres includes:
Obtain the sample of the thermoset cross-linked high molecular polymer nanosphere；
Thermogravimetric analysis experiment is carried out to the sample, to obtain point of the thermoset cross-linked high molecular polymer nanosphere
Solve temperature.
6. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 5, which is characterized in that
It is described that the thermoset cross-linked high molecular polymer nanosphere is subjected to precompressed compacting, it is described thermoset cross-linked to exclude
Gas in high molecular polymer nanosphere includes:
The thermoset cross-linked high molecular polymer nanosphere is placed in mold cavity；
Precompressed compacting is carried out to the thermoset cross-linked high molecular polymer nanosphere being placed in mold cavity, to exclude
State the gas in thermoset cross-linked high molecular polymer nanosphere.
7. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 6, which is characterized in that
The thermoset cross-linked high molecular polymer nanosphere progress according to the decomposition temperature, after being compacted to the precompressed
Heating, so that the thermoset cross-linked high molecular polymer nanosphere generation softening includes:
According to the decomposition temperature, the processing temperature of the thermoset cross-linked high molecular polymer nanosphere is obtained；
According to the processing temperature, the thermoset cross-linked high molecular polymer nanosphere after precompressed compacting is carried out
Heating, softens the thermoset cross-linked high molecular polymer nanosphere.
8. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 7, it is characterised in that:
The range of the processing temperature is glass transformation temperature between decomposition temperature.
9. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 8, which is characterized in that
The thermoset cross-linked high molecular polymer nanosphere to after the heating cools down, the polyphosphazene polymer is made
Closing object material includes:
Pressure maintaining is carried out to the thermoset cross-linked high molecular polymer nanosphere after the heating；
According to certain temperature cooling velocity, the thermoset cross-linked high molecular polymer nanosphere in pressure maintaining is carried out
It is cooling；
To pressure release is carried out in the mold cavity, the macromolecule polymer material is made.
10. according to the forming and machining method for being used to prepare cross-linked polymer polymer material described in claim 9, feature exists
In:
The temperature cooling velocity range is 1 DEG C/min-, 30 DEG C/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261988.7A CN108014726B (en) | 2017-12-04 | 2017-12-04 | A kind of forming and machining method being used to prepare cross-linked polymer polymer material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0232088A1 (en) * | 1986-01-24 | 1987-08-12 | Potters Industries, Inc. | A lightweight body |
| CN103189431A (en) * | 2011-07-04 | 2013-07-03 | 住友电气工业株式会社 | Silicone rubber sponge and rubber covered roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0232088A1 (en) * | 1986-01-24 | 1987-08-12 | Potters Industries, Inc. | A lightweight body |
| CN103189431A (en) * | 2011-07-04 | 2013-07-03 | 住友电气工业株式会社 | Silicone rubber sponge and rubber covered roller |
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