CN110511552A - A kind of preparation method of the high plastic products of good in oxidation resistance, intensity - Google Patents
A kind of preparation method of the high plastic products of good in oxidation resistance, intensity Download PDFInfo
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- CN110511552A CN110511552A CN201910813964.0A CN201910813964A CN110511552A CN 110511552 A CN110511552 A CN 110511552A CN 201910813964 A CN201910813964 A CN 201910813964A CN 110511552 A CN110511552 A CN 110511552A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of preparation method of the high plastic products of good in oxidation resistance, intensity, include the following steps: that S1, main material are dried；S2, wood powder working process；S3, raw material weigh spare；S4, blending processing；S5, mixing process；S6, injection molding squeeze out；S7, cooling treatment.The present invention provides a kind of preparation methods of plastic products, its technique is relatively easy, each step collocation is reasonable, it is easy to promote and utilize, plastic products obtained have good inoxidizability, while mechanical quality has been significantly improved, and comprehensive performance is effectively improved, and degradable recuperability can good, lower production costs.
Description
Technical field
The present invention relates to a kind of processing methods of plastic products, and in particular to the high plastics of a kind of good in oxidation resistance, intensity
The preparation method of product.
Background technique
Plastic products be use plastics for the general designation of the articles such as life, industry made of main Raw material processing, including with modeling
Material is the product of all techniques such as injection molding, plastic uptake of raw material, plastic cement be it is a kind of have plastic synthesis high molecular material, it with
Synthetic rubber, synthetic fibers form the big synthetic material of daily life indispensable three, specifically, plastics be with natural or
Synthetic resin is main component, and various additives are added, can mould under the conditions ofs certain temperature and pressure etc. and certain shapes is made,
The material for keeping shape invariance at normal temperature, relative to metal, stone material, timber, plastic products have at low cost, plasticity is strong etc.
Advantage is widely used in national economy, and plastics industry occupies particularly important status in today's world, for many years plastics system
The production of product develops at high speed all over the world.China's plastic products yield is always positioned at forefront in world rankings, wherein more
Kind plastic products yield has been positioned at global first place, and China has become plastic products big producer, the world.Existing plastics system
That there is gelation degrees is excessively high for product, not degradable and recycling, while showing in the performances such as inoxidizability relatively general.Application number
Are as follows: CN201710830377.3, which discloses one kind, has antioxidative plastic products, and plastic products are according to weight percent
Counting includes following component: polycarbonate 30%-50%, polyethylene 20%-30%, polystyrene 10%-15%, wood powder 20%-25%,
Toner 1.5%-2%, antistatic agent 0.5%-0.8%, antioxidant 0.8%-1.0%, fire retardant 0.2%-0.5%.It is wherein added to anti-
Oxidant promotes antioxygenic property, and is added to wood powder ingredient to be filled the ratio for reducing plastics, and to improve it can return
Receive degradation capability.But there is biggish defect, wood powder and matrix compositions on mechanical quality for plastic products made from this mode
Between associativity it is bad, whole stability in use is bad, reduces the competitiveness of product.
Summary of the invention
The purpose of the present invention is being directed to existing problem, the high plastic products of a kind of good in oxidation resistance, intensity are provided
Preparation method.
The present invention is achieved by the following technical solutions:
A kind of preparation method of the high plastic products of good in oxidation resistance, intensity, includes the following steps:
S1, main material are dried: polycarbonate, polyethylene, polystyrene being respectively put into drying box, place is dried
It manages, is taken out after 20 ~ 25min spare；
S2, wood powder working process: first wood powder is put into and carries out Steam explosion treatment in steam blasting tank, then takes out and is immersed in
6 ~ 8h of immersion treatment in hydrogen peroxide solution, subsequent taking-up are rinsed with deionized water to neutrality, are finally dipped in again at modified
It manages and impregnates 3 ~ 5h of modification in liquid, filter out be dried for standby after the completion；The modification liquid by corresponding to parts by weight as follows
Material composition: 25 ~ 30 parts of silane coupling agents, 7 ~ 9 parts of cetyl trimethylammonium bromides, 35 ~ 40 parts of ethyl acetate, 8 ~ 12 portions of mouse
Lee's glycolipid, 4 ~ 7 parts of polyethylene glycol, 3 ~ 6 parts of disodium ethylene diamine tetraacetates, 2 ~ 5 parts of nano-titanium dioxides, 320 ~ 340 parts of deionizations
Water；
S3, raw material weigh spare: it is spare to weigh following raw materials according by corresponding parts by weight: 50 ~ 55 parts of step S1 treated poly- carbonic acid
Ester, 20 ~ 25 parts of step S1 treated polyethylene, 8 ~ 12 parts of step S1 treated polystyrene, 30 ~ 35 parts of step S2 processing
Wood powder, 1 ~ 2 part of colorant, 0.3 ~ 0.5 part of antistatic agent, 0.5 ~ 1 part of antioxidant, 0.2 ~ 0.4 part of ultraviolet absorbing agent afterwards；
S4, blending processing: the weighed all raw materials of step S3 mixs jointly put into batch mixer be stirred blending handle,
Taken out after 1 ~ 1.5h blend composition is spare；
S5, mixing process: blend composition made from step S4 is put into and carries out mixing process in kneading machine, is taken out after 30 ~ 35min
It is spare to obtain mixing materials；
S6, injection molding squeeze out: mixing materials made from step S5 being put into and carry out injection molding extrusion process in injection molding machine, are demoulded after the completion
Take out to obtain semi-finished product for standby；
S7, cooling treatment: semi-finished product made from step S6 being put into air-cooling chamber and carry out cooling treatment, is taken after being cooled to room temperature
It gets product out.
Further, it is 90 ~ 95 DEG C that the drying temperature in drying box is controlled when drying process described in step S1.
Further, the concrete operations of Steam explosion treatment described in step S2 are: it is quick-fried that wood powder is first put into steam
In broken tank, the high-temperature vapor that temperature is 100 ~ 105 DEG C is then passed to, while the pressure in steam blasting tank is increased to 0.35 ~
Steam blasting tank is unloaded to normal temperature and pressure in 30s after heat-insulation pressure keeping handles 3 ~ 4min, finally takes out wood powder by 0.40MPa
.
Further, the mass fraction of hydrogen peroxide is 1.5 ~ 2% in hydrogen peroxide solution described in step S2, and hydrogen peroxide
Solution also passes through sodium hydroxide solution and adjusts pH value to 11 ~ 12.
Further, it is 50 ~ 55 that heating, which keeps the temperature of modification liquid, when impregnating modification described in step S2
DEG C, it is during which also persistently ultrasonically treated, the frequency for controlling ultrasound is 800 ~ 850kHz；The silane coupling agent is silane
Coupling agent kh570；The granular size of the nano-titanium dioxide is 20 ~ 50nm.
Further, colorant described in step S3 is at least one of chrome yellow, titanium blueness；The antistatic agent is
Alkylolamides；The antioxidant is antioxidant 1010；The ultraviolet absorbing agent is Ultraviolet Absorber UV-P.
Further, the revolving speed of control stirring is 1500 ~ 1800 revs/min when blended under agitation described in step S4 is handled
Clock.
Further, it is 150 ~ 160 DEG C that the temperature in kneading machine is kept when mixing process described in step S5.
Further, the temperature for keeping injection machine head described in step S6 when injection molding extrusion process is 280 ~ 285 DEG C.
Further, it is 6 ~ 8 DEG C/min that the cooling rate in air-cooling chamber is controlled when cooling treatment described in step S7；Institute
The temperature for the room temperature stated is 22 ~ 24 DEG C.
The present invention provides a kind of preparation methods of plastic products, effectively improve the disadvantage of product made from conventional method
End, improves the performance and competitiveness of product.During the preparation process, it is main former for selecting polycarbonate, polyethylene, polystyrene
Expect ingredient, be first dried, is just melted with subsequent better processing, special processing has then been carried out to wood powder raw material
Processing, has specifically first carried out Steam explosion treatment to wood powder, using the steam blasting of high temperature and pressure, loose well wood powder
Institutional framework, improve specific surface area, increase the content of fiber fines, be conducive to subsequent grafting and fix, then with alkaline
Hydrogen peroxide solution carry out immersion treatment, the lignin that is stripped of in wood powder has promoted the exposure and crystalline texture of cellulose
Change, and solubilized modification has been carried out to macromolecular hemicellulose, further improves wood powder and the combination energy of remaining raw material
Power has then carried out modification liquid and has impregnated modification, and the silane coupling agent in modification liquid can improve the table of wood powder
Face group activity, has carried out surface silanization, has improved the binding ability between resin, rhamnolipid, the polyethylene glycol of addition
It is combined into more complicated stable film layer etc. the silane film that can be formed with silane coupling agent, further increases dispersion, the phase of wood powder
Appearance ability, a small amount of nano-titanium dioxide of addition can graft dispersion in the hole of wood powder, be on the one hand able to ascend wood powder
Intensity and stability, on the other hand can be improved the riveting crystallized ability between wood powder and resin matrix, last treated wood
Processing is blended in powder and polycarbonate, polyethylene, polystyrene etc., it will be apparent that improves whole mechanical quality etc., enhances production
The comprehensive performance of product.
The present invention has the advantage that compared with prior art
The present invention provides a kind of preparation methods of plastic products, and technique is relatively easy, and each step collocation rationally, is convenient for promoting
Using plastic products obtained have good inoxidizability, while mechanical quality has been significantly improved, and comprehensive performance has
Effect is improved, and good, the lower production costs of degradable recuperability energy, the great market competitiveness.
Specific embodiment
Embodiment 1
A kind of preparation method of the high plastic products of good in oxidation resistance, intensity, includes the following steps:
S1, main material are dried: polycarbonate, polyethylene, polystyrene being respectively put into drying box, place is dried
It manages, is taken out after 20min spare；
S2, wood powder working process: first wood powder is put into and carries out Steam explosion treatment in steam blasting tank, then takes out and is immersed in
Immersion treatment 6h in hydrogen peroxide solution, subsequent taking-up are rinsed with deionized water to neutrality, are finally dipped in modification again
Modification 3h is impregnated in liquid, filters out be dried for standby after the completion；The modification liquid by corresponding to the substances of parts by weight as follows
Composition: 25 parts of silane coupling agents, 7 parts of cetyl trimethylammonium bromides, 35 parts of ethyl acetate, 8 parts of rhamnolipids, 4 parts of poly- second
Glycol, 3 parts of disodium ethylene diamine tetraacetates, 2 parts of nano-titanium dioxides, 320 parts of deionized waters；
S3, raw material weigh spare: it is spare to weigh following raw materials according by corresponding parts by weight: 50 parts of step S1 treated polycarbonate,
20 parts of step S1 treated polyethylene, 8 parts of step S1 treated polystyrene, 30 parts of step S2 treated wood powder, 1 part
Colorant, 0.3 part of antistatic agent, 0.5 part of antioxidant, 0.2 part of ultraviolet absorbing agent；
S4, blending processing: the weighed all raw materials of step S3 mixs jointly put into batch mixer be stirred blending handle,
Taken out after 1 ~ 1.5h blend composition is spare；
S5, mixing process: blend composition made from step S4 is put into and carries out mixing process in kneading machine, is taken out after 30min
Mixing materials are spare；
S6, injection molding squeeze out: mixing materials made from step S5 being put into and carry out injection molding extrusion process in injection molding machine, are demoulded after the completion
Take out to obtain semi-finished product for standby；
S7, cooling treatment: semi-finished product made from step S6 being put into air-cooling chamber and carry out cooling treatment, is taken after being cooled to room temperature
It gets product out.
Further, it is 90 DEG C that the drying temperature in drying box is controlled when drying process described in step S1.
Further, the concrete operations of Steam explosion treatment described in step S2 are: it is quick-fried that wood powder is first put into steam
In broken tank, then passes to temperature and be 100 DEG C of high-temperature vapor, while the pressure in steam blasting tank is increased into 0.35MPa, protect
After warm pressure maintaining processing 3min, steam blasting tank is unloaded to normal temperature and pressure in 30s, finally takes out wood powder.
Further, the mass fraction of hydrogen peroxide is 1.5% in hydrogen peroxide solution described in step S2, and dioxygen is water-soluble
Liquid also passes through sodium hydroxide solution and adjusts pH value to 11.
Further, it is 50 DEG C that heating, which keeps the temperature of modification liquid, when impregnating modification described in step S2,
Period is also persistently ultrasonically treated, and the frequency for controlling ultrasound is 800kHz；The silane coupling agent is silane coupling agent
kh570；The granular size of the nano-titanium dioxide is 20 ~ 50nm.
Further, colorant described in step S3 is chrome yellow；The antistatic agent is alkylolamides；Described
Antioxidant is antioxidant 1010；The ultraviolet absorbing agent is Ultraviolet Absorber UV-P.
Further, the revolving speed of control stirring is 1500 revs/min when blended under agitation described in step S4 is handled.
Further, it is 150 DEG C that the temperature in kneading machine is kept when mixing process described in step S5.
Further, the temperature for keeping injection machine head described in step S6 when injection molding extrusion process is 280 DEG C.
Further, it is 6 DEG C/min that the cooling rate in air-cooling chamber is controlled when cooling treatment described in step S7；It is described
Room temperature temperature be 22 ~ 24 DEG C.
Embodiment 2
A kind of preparation method of the high plastic products of good in oxidation resistance, intensity, includes the following steps:
S1, main material are dried: polycarbonate, polyethylene, polystyrene being respectively put into drying box, place is dried
It manages, is taken out after 23min spare；
S2, wood powder working process: first wood powder is put into and carries out Steam explosion treatment in steam blasting tank, then takes out and is immersed in
Immersion treatment 7h in hydrogen peroxide solution, subsequent taking-up are rinsed with deionized water to neutrality, are finally dipped in modification again
Modification 4h is impregnated in liquid, filters out be dried for standby after the completion；The modification liquid by corresponding to the substances of parts by weight as follows
Composition: 28 parts of silane coupling agents, 8 parts of cetyl trimethylammonium bromides, 37 parts of ethyl acetate, 10 parts of rhamnolipids, 6 parts of poly- second
Glycol, 5 parts of disodium ethylene diamine tetraacetates, 4 parts of nano-titanium dioxides, 330 parts of deionized waters；
S3, raw material weigh spare: it is spare to weigh following raw materials according by corresponding parts by weight: 52 parts of step S1 treated polycarbonate,
23 parts of step S1 treated polyethylene, 10 parts of step S1 treated polystyrene, 33 parts of step S2 treated wood powder,
1.5 parts of colorants, 0.4 part of antistatic agent, 0.8 part of antioxidant, 0.3 part of ultraviolet absorbing agent；
S4, blending processing: the weighed all raw materials of step S3 mixs jointly put into batch mixer be stirred blending handle,
Taken out after 1.3h blend composition is spare；
S5, mixing process: blend composition made from step S4 is put into and carries out mixing process in kneading machine, is taken out after 32min
Mixing materials are spare；
S6, injection molding squeeze out: mixing materials made from step S5 being put into and carry out injection molding extrusion process in injection molding machine, are demoulded after the completion
Take out to obtain semi-finished product for standby；
S7, cooling treatment: semi-finished product made from step S6 being put into air-cooling chamber and carry out cooling treatment, is taken after being cooled to room temperature
It gets product out.
Further, it is 92 DEG C that the drying temperature in drying box is controlled when drying process described in step S1.
Further, the concrete operations of Steam explosion treatment described in step S2 are: it is quick-fried that wood powder is first put into steam
In broken tank, then passes to temperature and be 103 DEG C of high-temperature vapor, while the pressure in steam blasting tank is increased into 0.38MPa, protect
After warm pressure maintaining processing 3.5min, steam blasting tank is unloaded to normal temperature and pressure in 30s, finally takes out wood powder.
Further, the mass fraction of hydrogen peroxide is 1.8% in hydrogen peroxide solution described in step S2, and dioxygen is water-soluble
Liquid also passes through sodium hydroxide solution and adjusts pH value to 11.
Further, it is 52 DEG C that heating, which keeps the temperature of modification liquid, when impregnating modification described in step S2,
Period is also persistently ultrasonically treated, and the frequency for controlling ultrasound is 830kHz；The silane coupling agent is silane coupling agent
kh570；The granular size of the nano-titanium dioxide is 20 ~ 50nm.
Further, colorant described in step S3 is that titanium is green；The antistatic agent is alkylolamides；Described
Antioxidant is antioxidant 1010；The ultraviolet absorbing agent is Ultraviolet Absorber UV-P.
Further, the revolving speed of control stirring is 1700 revs/min when blended under agitation described in step S4 is handled.
Further, it is 155 DEG C that the temperature in kneading machine is kept when mixing process described in step S5.
Further, the temperature for keeping injection machine head described in step S6 when injection molding extrusion process is 282 DEG C.
Further, it is 7 DEG C/min that the cooling rate in air-cooling chamber is controlled when cooling treatment described in step S7；It is described
Room temperature temperature be 22 ~ 24 DEG C.
Embodiment 3
A kind of preparation method of the high plastic products of good in oxidation resistance, intensity, includes the following steps:
S1, main material are dried: polycarbonate, polyethylene, polystyrene being respectively put into drying box, place is dried
It manages, is taken out after 25min spare；
S2, wood powder working process: first wood powder is put into and carries out Steam explosion treatment in steam blasting tank, then takes out and is immersed in
Immersion treatment 8h in hydrogen peroxide solution, subsequent taking-up are rinsed with deionized water to neutrality, are finally dipped in modification again
Modification 5h is impregnated in liquid, filters out be dried for standby after the completion；The modification liquid by corresponding to the substances of parts by weight as follows
Composition: 30 parts of silane coupling agents, 9 parts of cetyl trimethylammonium bromides, 40 parts of ethyl acetate, 12 parts of rhamnolipids, 7 parts of poly- second
Glycol, 6 parts of disodium ethylene diamine tetraacetates, 5 parts of nano-titanium dioxides, 340 parts of deionized waters；
S3, raw material weigh spare: it is spare to weigh following raw materials according by corresponding parts by weight: 55 parts of step S1 treated polycarbonate,
25 parts of step S1 treated polyethylene, 12 parts of step S1 treated polystyrene, 35 parts of step S2 treated wood powder, 2
Part colorant, 0.5 part of antistatic agent, 1 part of antioxidant, 0.4 part of ultraviolet absorbing agent；
S4, blending processing: the weighed all raw materials of step S3 mixs jointly put into batch mixer be stirred blending handle,
Taken out after 1.5h blend composition is spare；
S5, mixing process: blend composition made from step S4 is put into and carries out mixing process in kneading machine, is taken out after 35min
Mixing materials are spare；
S6, injection molding squeeze out: mixing materials made from step S5 being put into and carry out injection molding extrusion process in injection molding machine, are demoulded after the completion
Take out to obtain semi-finished product for standby；
S7, cooling treatment: semi-finished product made from step S6 being put into air-cooling chamber and carry out cooling treatment, is taken after being cooled to room temperature
It gets product out.
Further, it is 95 DEG C that the drying temperature in drying box is controlled when drying process described in step S1.
Further, the concrete operations of Steam explosion treatment described in step S2 are: it is quick-fried that wood powder is first put into steam
In broken tank, then passes to temperature and be 105 DEG C of high-temperature vapor, while the pressure in steam blasting tank is increased into 0.40MPa, protect
After warm pressure maintaining processing 4min, steam blasting tank is unloaded to normal temperature and pressure in 30s, finally takes out wood powder.
Further, the mass fraction of hydrogen peroxide is 2% in hydrogen peroxide solution described in step S2, and hydrogen peroxide solution
Also pH value is adjusted to 12 by sodium hydroxide solution.
Further, it is 55 DEG C that heating, which keeps the temperature of modification liquid, when impregnating modification described in step S2,
Period is also persistently ultrasonically treated, and the frequency for controlling ultrasound is 850kHz；The silane coupling agent is silane coupling agent
kh570；The granular size of the nano-titanium dioxide is 20 ~ 50nm.
Further, colorant described in step S3 is that chrome yellow and titanium are green；The antistatic agent is alkylolamides；
The antioxidant is antioxidant 1010；The ultraviolet absorbing agent is Ultraviolet Absorber UV-P.
Further, the revolving speed of control stirring is 1800 revs/min when blended under agitation described in step S4 is handled.
Further, it is 160 DEG C that the temperature in kneading machine is kept when mixing process described in step S5.
Further, the temperature for keeping injection machine head described in step S6 when injection molding extrusion process is 285 DEG C.
Further, it is 8 DEG C/min that the cooling rate in air-cooling chamber is controlled when cooling treatment described in step S7；It is described
Room temperature temperature be 24 DEG C.
Comparative example 1
This comparative example 1 compared with Example 2, eliminates step S2, at the hydrogen peroxide solution immersion in wood powder working process
Reason operation, method and step in addition to this are all the same.
Comparative example 2
This comparative example 2 compared with Example 2, eliminates step S2, the modification liquid immersion in wood powder working process changes
Property processing operation, method and step in addition to this are all the same.
Comparative example 3
This comparative example 3 compared with Example 2, eliminates the entire processing operation of step S2, wood powder working process, in addition to this
Method and step it is all the same.
Comparative example 4
Application No. is: one kind disclosed in CN201710830377.3 has antioxidative plastic products, specifically selects its implementation
The technical solution of example 2.
In order to compare effect of the present invention, to above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3,
The corresponding plastic products obtained of comparative example 4 are tested for the property, and specific correlation data is as shown in table 1 below:
Table 1
Note: tensile strength described in upper table 1 is that plastic products are first molded into ASTM D638 standard size test piece when testing,
Then the test of tensile strength is carried out according still further to this standard；The bending strength is first to be molded into plastic products when testing
Then ASTM D790 standard size test piece carries out the test of bending strength according still further to this standard；Angstrom tall and erect impact strength is surveyed
It is that plastic products are first molded into ASTM D256 standard size test piece when examination, it is strong then to carry out angstrom tall and erect impact according still further to this standard
The test of degree；The heat distortion temperature is that plastic products are first molded into ASTM D648 standard size test piece when testing, then
The test of heat distortion temperature is carried out according still further to this standard.
The plastic products made from the method for the present invention it can be seen from upper table 1 obtain on mechanical quality and heat resistance
It is obviously improved, improved combination properties are obvious, while improving the addition weight ratio of wood powder, reduce production cost, and enhance
The degradable recycling performance of plastic products, the great market competitiveness and productivity effect.
Claims (10)
1. a kind of preparation method of the high plastic products of good in oxidation resistance, intensity, which comprises the steps of:
S1, main material are dried: polycarbonate, polyethylene, polystyrene being respectively put into drying box, place is dried
It manages, is taken out after 20 ~ 25min spare；
S2, wood powder working process: first wood powder is put into and carries out Steam explosion treatment in steam blasting tank, then takes out and is immersed in
6 ~ 8h of immersion treatment in hydrogen peroxide solution, subsequent taking-up are rinsed with deionized water to neutrality, are finally dipped in again at modified
It manages and impregnates 3 ~ 5h of modification in liquid, filter out be dried for standby after the completion；The modification liquid by corresponding to parts by weight as follows
Material composition: 25 ~ 30 parts of silane coupling agents, 7 ~ 9 parts of cetyl trimethylammonium bromides, 35 ~ 40 parts of ethyl acetate, 8 ~ 12 portions of mouse
Lee's glycolipid, 4 ~ 7 parts of polyethylene glycol, 3 ~ 6 parts of disodium ethylene diamine tetraacetates, 2 ~ 5 parts of nano-titanium dioxides, 320 ~ 340 parts of deionizations
Water；
S3, raw material weigh spare: it is spare to weigh following raw materials according by corresponding parts by weight: 50 ~ 55 parts of step S1 treated poly- carbonic acid
Ester, 20 ~ 25 parts of step S1 treated polyethylene, 8 ~ 12 parts of step S1 treated polystyrene, 30 ~ 35 parts of step S2 processing
Wood powder, 1 ~ 2 part of colorant, 0.3 ~ 0.5 part of antistatic agent, 0.5 ~ 1 part of antioxidant, 0.2 ~ 0.4 part of ultraviolet absorbing agent afterwards；
S4, blending processing: the weighed all raw materials of step S3 mixs jointly put into batch mixer be stirred blending handle,
Taken out after 1 ~ 1.5h blend composition is spare；
S5, mixing process: blend composition made from step S4 is put into and carries out mixing process in kneading machine, is taken out after 30 ~ 35min
It is spare to obtain mixing materials；
S6, injection molding squeeze out: mixing materials made from step S5 being put into and carry out injection molding extrusion process in injection molding machine, are demoulded after the completion
Take out to obtain semi-finished product for standby；
S7, cooling treatment: semi-finished product made from step S6 being put into air-cooling chamber and carry out cooling treatment, is taken after being cooled to room temperature
It gets product out.
2. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
Drying temperature when, drying process described in step S1 in control drying box is 90 ~ 95 DEG C.
3. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In the concrete operations of Steam explosion treatment described in step S2 are: first putting into wood powder in steam blasting tank, then pass to
Temperature is 100 ~ 105 DEG C of high-temperature vapor, while the pressure in steam blasting tank is increased to 0.35 ~ 0.40MPa, heat-insulation pressure keeping
After handling 3 ~ 4min, steam blasting tank is unloaded to normal temperature and pressure in 30s, finally takes out wood powder.
4. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In the mass fraction of hydrogen peroxide is 1.5 ~ 2% in hydrogen peroxide solution described in step S2, and hydrogen peroxide solution also passes through hydrogen-oxygen
Change sodium solution and adjusts pH value to 11 ~ 12.
5. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In, described in step S2 impregnate modification when heating keep modification liquid temperature be 50 ~ 55 DEG C, during which also continue into
Ultrasonic treatment is gone, the frequency for controlling ultrasound is 800 ~ 850kHz；The silane coupling agent is silane coupling agent kh570；Institute
The granular size for the nano-titanium dioxide stated is 20 ~ 50nm.
6. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In colorant described in step S3 is at least one of chrome yellow, titanium blueness；The antistatic agent is alkylolamides；Institute
The antioxidant stated is antioxidant 1010；The ultraviolet absorbing agent is Ultraviolet Absorber UV-P.
7. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In the revolving speed of control stirring is 1500 ~ 1800 revs/min when blended under agitation described in step S4 is handled.
8. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
It is 150 ~ 160 DEG C that the temperature in kneading machine is kept when, mixing process described in step S5.
9. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
In keeping the temperature of injection machine head described in step S6 when injection molding extrusion process is 280 ~ 285 DEG C.
10. the preparation method of the high plastic products of a kind of good in oxidation resistance according to claim 1, intensity, feature exist
Cooling rate when, cooling treatment described in step S7 in control air-cooling chamber is 6 ~ 8 DEG C/min；The temperature of the room temperature
It is 22 ~ 24 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910813964.0A CN110511552A (en) | 2019-08-30 | 2019-08-30 | A kind of preparation method of the high plastic products of good in oxidation resistance, intensity |
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| CN201910813964.0A CN110511552A (en) | 2019-08-30 | 2019-08-30 | A kind of preparation method of the high plastic products of good in oxidation resistance, intensity |
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| CN111186055A (en) * | 2020-01-13 | 2020-05-22 | 南京林业大学 | Composite material isolation film and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111186055A (en) * | 2020-01-13 | 2020-05-22 | 南京林业大学 | Composite material isolation film and manufacturing method thereof |
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