CN110483775A - A kind of application of sulfone polymer and its tableware - Google Patents
A kind of application of sulfone polymer and its tableware Download PDFInfo
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- CN110483775A CN110483775A CN201910740535.5A CN201910740535A CN110483775A CN 110483775 A CN110483775 A CN 110483775A CN 201910740535 A CN201910740535 A CN 201910740535A CN 110483775 A CN110483775 A CN 110483775A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/20—Polysulfones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/20—Polysulfones
- C08G75/23—Polyethersulfones
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Table Equipment (AREA)
Abstract
The invention discloses the applications of a kind of sulfone polymer and its tableware, belong to special engineering plastics technical field, which has the repetitive unit of Formulas I structure:
Description
Technical field
The invention belongs to special engineering plastics technical field, it is related to the application of a kind of sulfone polymer and its tableware.
Background technique
Sulfone polymer category special high temperature-resistant transparent thermoplastic engineering plastics have hot property outstanding, it is high to assign it
Long-term operating temperature, intrinsic is special from anti-flammability, excellent chemical corrosion resistance and the hydrolysis of special heat-proof water and superheated steam
Property, excellent dimensional stability and outstanding high-temperature creep resistance, extremely low smog and toxic gas discharge, and mainly include polysulfones
PSU, polyether sulfone PES and polyphenylsulfone PPSU three types.Have been subjected to development in more than 50 years so far from 1970s exploitation,
It with being gradually improved for developing material, will be used wider and wider, including food hygiene, medical instrument, household small electric appliance, navigate
Empty space flight, the fields such as electronic apparatus.
In recent years, especially polyphenylsulfone PPSU and PES contacts class articles application field in food, because its is excellent resistance to
Chemical corrosivity, acidproof dipping by lye, resistance to abluent cleaning do not generate chemical change；Special heat-proof water hydrolysis and overheat are steamed
Vapour characteristic, heat resisting temperature are up to 200 DEG C, can be up to (176 DEG C) of steam of 10000 times or more heating and performance is unaffected,
Can high-temperature boiling repeatedly, moise-heat sterilization；It is prior be free from bisphenol-A (BPA, Environmental Hormone, upset it is endocrine carcinogenic
Chemical substance), meet Reach and RoHS rule, be the most ideal most safety and environmental protection of the recommendations such as USA and EU meet baby children
And the material of food applications, and there is particularly suitable application advantage and prospect, meanwhile, and because it is with high transparency and excellent
Pigmentable ability, prepared product color is bright-coloured bright, is particularly suitable for preparing food contact class household appliance, such as baby children
Feeding bottle, coffee machine, cup, chopsticks, rice bowl, spoon, scoop, non-stick pan coating layer, etc..Therefore, it house kitchen and is defending in recent years
It bathes in product, is able to more and more extensive and deep application and development.
Current market sales of chopsticks mainly have bamboo and wood chopsticks, plastics melamine chopsticks and stainless steel chopsticks etc..But bamboo
The easy moldy metamorphism of wood chopsticks, easily shelters evil people and countenance evil practices, and is especially easy to breed this kind of high carcinogen of aflatoxins, seriously affect
Healthy diet；And plastics melamine chopsticks can volatilize the harmful substances such as melamine, formaldehyde when using with high-temperature sterilization, equally
It will affect healthy diet.Stainless steel chopsticks generally all contain heavy metal in addition to medical grade stainless steel, and when edible high temperature food,
Due to its easy thermally conductive easy scald, therefore have the defects that not easy to use.
Currently, disclosed less using PPSU as the chopsticks patented invention of substrate, patent CN 102690517B discloses one
Kind using PPSU and PES copolymer as substrate, simultaneously containing glass fibre, carbon fiber, basalt fibre, nano silver, 2 parts of calcium powder~
10 parts, the materials of the blends such as lithopone and carbon black be used to prepare chopsticks, be formulated more complex, while various additives colorant
Also limited characteristic is not announced, it is understood that there may be not acid and alkali-resistance and easily precipitation dissolution etc. risk.
Summary of the invention
The purpose of the present invention is to provide it is a kind of with excellent high temperature tolerance, be not susceptible to mildew sulfone polymer and its
The application of tableware.
In order to achieve the above object, the present invention the following technical schemes are provided:
The present invention provides a kind of sulfone polymer, the repetitive unit with Formulas I structure:
The transparency of the sulfone polymer is 81~95%, and mist degree is 0.1~2, and yellowness index is 0.5~5, melt flows speed
Rate is 15~50g/10min, has high temperature tolerance and is not susceptible to mildew property, the meal particularly useful for making foodstuff sanitation-stage
Tool；
Wherein, the value range of n is 2~200, preferably 10~100；End group X, Y are selected from-Cl ,-OH ,-CH3, phenyl and
Any one in its derivative, Ar unit has the following structure any one in formula:
Preferred scheme, the sulfone polymer can be used commercially available high-temperature colorant and coloured, and colorant includes inorganic face
Material or one of dyestuff, organic pigment and dyestuff, Masterbatch or a variety of, it is desirable that the heat resisting temperature of colorant is greater than 300 DEG C.
The heat resisting temperature of preferred scheme, the colorant is greater than 340 DEG C.
Available colorant includes presently commercially available multiple types, such as BASF AGSeries,Series,Series,Series,Series, ARKEMA companySeries etc..
Preferred scheme, the sulfone polymer include polyether sulfone PES and polyphenylsulfone PPSU, are prepared by solwution method polycondensation
It arrives, the synthon of use includes aromatic dihydroxy monomer and dihalo diphenyl sulphone (DPS) monomer；
Wherein, the aromatic dihydroxy monomer is selected from 4,4 '-dihydroxydiphenylsulisomers or 4,4 '-dihydroxybiphenyls；
The dihalo diphenyl sulphone (DPS) monomer is selected from 4,4 '-dihalo diphenyl sulphone (DPS)s；
The molar ratio of the aromatic dihydroxy monomer and dihalo diphenyl sulphone (DPS) monomer is 1:0.95~1.05, i.e. dihalo
Diphenyl sulphone (DPS) monomer can be it is excessive, be also possible to owe amount.
The present invention provides the applications of the sulfone polymer, are used for production tableware, including chopsticks, soup ladle, meal shovel, cage
Drawer, steamer, pot cover, the kitchen utensils such as chopping block；It can also be used for production cup, teapot, the drinking tools such as teacup.
The sulfone polymer is used to make chopsticks, injection molding process by preferred scheme are as follows:
Board temperature: 320~390 DEG C；Mold temperature: 120~180 DEG C；Injection pressure: 90~120MPa；Injection speed:
60~80cm3/s；Cooling time: 20~180 seconds；
After injection molding, then chopsticks are polished, grinds off the excess stocks such as overlap, cast gate and corner angle, show chopsticks
Gloss.
Preferred scheme, the polishing process are as follows: a certain amount of resin ground stone is added in sanding machine, places into certain
The chopsticks of amount add water to and do not cross chopsticks, are finally putting into polishing fluid, and be switched on positive and negative rotation circular flow, until chopsticks show gloss, take
It is got product after chopsticks are dry out.
The chopsticks that PPSU, PES substrate are made into, strong coloring force, toughness and intensity are higher, and 190 DEG C or less high temperature do not decompose, can
High-temperature sterilization repeatedly, unharmful substance evaporate, and product surface is smooth, acid and alkali-resistance, corrosion-resistant, wear-resistant, to be not easy residual thin
Bacterium does not go mouldy, and is a kind of safe and healthy tableware using being not easy to be burned.
Advantageous effects of the invention are as follows:
It is substrate that the present invention, which discloses one kind by PPSU pure resin or PES pure resin, and chopsticks, spoon, fork, meal bowl etc. is made
Tableware, food steamer food steamer, chopping block, rolling pin, steamer, the kitchen utensils such as pot cover can also prepare drinking tool, such as cup, teapot,
Teacup etc..It is a kind of safe, health tableware, overcomes existing bamboo and wood chopsticks, plastics melamine chopsticks and stainless steel chopsticks etc.
Easily raw bacterium existing for chopsticks made of material, volatilization noxious material and scald etc. use defect.
The present invention provides the production technology of above-mentioned chopsticks, be suitable for industrialized production, meet people increasingly payes attention to
Low-carbon, environmental protection, health, health, the life idea of green and the life style of promotion.
It is also recyclable to recycle after present invention tableware produced eliminates replacement after a certain period of use time, it is used as engineering
Materials'use, the engineering works such as production gear, valve block, becomes recyclable high-performance new material, avoids wasting or generate
Rubbish pollutes problem.
Specific embodiment
The following examples are further illustrations of the invention, rather than limitation is of the invention.
The testing standard or method of each performance:
Melt mass flow rate: according to the detection method of ISO 1133, wherein testing conditions be PPSU using 365 DEG C/
5kg, PES use 360 DEG C/10kg, measuring unit g/10min.
It is molten after long-time is heated using capillary rheometer detection material to the thermal stability variation tendency of material
Body rate of change in viscosity characterizes, and change rate is smaller to illustrate that thermal stability is better, condition is 360 DEG C, constant shear rate 1000-1,
Time 2h.
Transparency: it according to ASTM D1003-07, is molded into first with resin in the colour table with a thickness of 2mm, then use transparency
Detector is tested (%).
In embodiments of the present invention, unless otherwise instructed, the means of use are the means of this field routine, the examination of use
Agent can be obtained by conventional commercial sources.
The present invention is specifically described combined with specific embodiments below:
Embodiment 1
Equipped with thermometer, logical nitrogen tube, the 1m for condensing water segregator, blender393.10kg is sequentially added in polymeric kettle
4,4 '-dichloro diphenyl sulfone (excess) of (500mol) 4,4'- dihydroxybiphenyl and 147.17kg (512.5mol), adds 426kg
Solvent sulfolane, is stirred and to be warming up to 80 DEG C of dissolution monomers transparent to solution, and 55.65kg sodium carbonate is added, 80L bis- is then added
Toluene continues to be warming up to 140 DEG C of salt-forming reactions under stirring and start, and the azeotropic mixture that the water produced in system is generated with dimethylbenzene is protected
Shield air-blowing, which goes out to condense to drip in water segregator into condenser pipe, to be layered, and the dimethylbenzene on upper layer is back in system again；Maintain temperature
In 200 DEG C -210 DEG C of range, when collecting water close to theoretical value (9kg), it is further continued for reflux 20 minutes, not observing has water
Pearl falls, it was demonstrated that and complete at salt, redistillation simultaneously releases dimethylbenzene, is gradually heated to 230 DEG C of beginning polymerization reactions, and constant temperature 3 hours,
Until stirring motor torque is constant, illustrate system viscosity substantially constant, then be passed through methyl chloride gas 30 minutes；Stop stirring and adds
Heat is poured slowly into material in deionized water and is cooled to white strip solid, then be broken into pulverizer it is powdered, with no ion
Boiling is boiled 1 hour, is filtered off moisture, is so repeated 10 times, and is not become cloudy until filtrate is detected with silver nitrate, is illustrated secondary in powder
Product salt remove it is clean, after filtering polymer with 120 DEG C of dryings of vacuum drying oven to constant weight to get polyphenylsulfone polymer PPSU material
Material, reaction process is as shown in Equation 1, carries out properties test to material, the results are shown in Table 1.
Injection molding process: 90 tons of boards is carried out with chopsticks mold, barrel temperature: 330 DEG C -340 DEG C -350 DEG C -360 DEG C；
Mold temperature: 120 DEG C；Injection pressure: 115MPa；Injection speed: 60cm3/s；Cooling time: 40 seconds；After injection molding, then it is right
Chopsticks are polished, and grind off the excess stocks such as overlap, cast gate and corner angle, chopsticks is made to show gloss.
Embodiment 2
Equipped with thermometer, logical nitrogen tube, the 1m for condensing water segregator, blender3126.39kg is sequentially added in polymeric kettle
4,4 '-dichloro diphenyl sulfone of (505mol) 4,4'- dihydroxydiphenylsulisomer (bisphenol S) and 143.58kg (500mol) (owes amount), then plus
Enter 426kg solvent, stir and be warming up to 80 DEG C of dissolution monomers transparent to solution, 55.65kg sodium carbonate is added, 80L is then added
Dimethylbenzene continues to be warming up to 140 DEG C of salt-forming reactions under stirring and start, the azeotropic mixture quilt that the water produced in system and dimethylbenzene generate
Protection air-blowing, which goes out to condense to drip in water segregator into condenser pipe, to be layered, and the dimethylbenzene on upper layer is back in system again；Maintain temperature
It spends in 200 DEG C -210 DEG C of range, when collecting water close to theoretical value (9kg), is further continued for reflux 20 minutes, not observing has
Droplet is fallen, it was demonstrated that complete at salt, redistillation simultaneously releases dimethylbenzene, is gradually heated to 230 DEG C of beginning polymerization reactions, and constant temperature 3 is small
When, until stirring motor torque is constant, illustrate system viscosity substantially constant；Stop stirring and heating, material is poured slowly into nothing
It is cooled to white strip solid in ionized water, then is broken into pulverizer powdered, is boiled 1 hour, is filtered off with deionized water
Moisture is so repeated 10 times, and is not become cloudy until filtrate is detected with silver nitrate, illustrates that by-product salt removes clean, mistake in powder
After filter polymer with 120 DEG C of dryings of vacuum drying oven to constant weight to get polyether sulfone polymer PES material, reaction process such as formula 2
Shown, performance characterization correlation data is shown in Table 1.
The injection molding process of chopsticks application: 90 tons of boards, barrel temperature: 350 DEG C -350 DEG C -360 DEG C -380 DEG C；Mold
Temperature: 160 DEG C；Injection pressure: 100MPa；Injection speed: 80cm3/s；Cooling time: 60 seconds；After injection molding, then to chopsticks
It is polished, grinds off the excess stocks such as overlap, cast gate and corner angle, chopsticks is made to show gloss.
Embodiment 3
Equipped with thermometer, logical nitrogen tube, the 1m for condensing water segregator, blender393.10kg is sequentially added in polymeric kettle
4,4 '-dichloro diphenyl sulfone of (500mol) 4,4'- dihydroxybiphenyl and 142.144kg (495mol) (owes amount), adds 520L N-
Methyl pyrrolidone solvent, is stirred and to be warming up to 80 DEG C of dissolution monomers transparent to solution, and 55.65kg sodium carbonate is added, then plus
Enter 80mL dimethylbenzene, continues to be warming up to 140 DEG C of salt-forming reactions under stirring and start, the water produced in system is total to what dimethylbenzene generated
Boiling object, which is gone out to condense to drip in water segregator into condenser pipe by protection air-blowing, to be layered, and the dimethylbenzene on upper layer is back in system again；
It maintains temperature at 190 DEG C or so, when collecting water close to theoretical value (9kg), is further continued for reflux 20 minutes, not observing has water
Pearl falls, it was demonstrated that complete at salt, redistillation simultaneously releases dimethylbenzene, is gradually heated to 195 DEG C of beginning polymerization reactions, and constant temperature 4-5 is small
When, until stirring motor torque is constant, illustrate system viscosity substantially constant；Stop stirring and heating, material is poured slowly into nothing
It is cooled to white strip solid in ionized water, then is broken into pulverizer powdered, is boiled 1 hour, is filtered off with deionized water
Moisture is so repeated 10 times, and is not become cloudy until filtrate is detected with silver nitrate, illustrates that by-product salt removes clean, mistake in powder
After filter polymer with 120 DEG C of dryings of vacuum drying oven to constant weight to get polyphenylsulfone polymer PPSU material.Performance characterization compares number
According to see the table below 1.
The injection molding process of food steamer drawer application are as follows: 150 tons of boards, barrel temperature: 300 DEG C -320 DEG C -340 DEG C -350
℃-350℃-360℃-380℃；Mold temperature: 180 DEG C；Injection pressure: 125MPa；Injection speed: 120cm3/s；When cooling
Between: 180 seconds.
Embodiment 4
Method is basic and embodiment 1 is identical, puts into 93.10kg (500mol) 4,4'- dihydroxybiphenyl and 145.37kg
(506.25mol) 4,4 '-dichloro diphenyl sulfone (excess), adds 520L sulfolane solvent, stirs and is warming up to 80 DEG C of dissolutions lists
Body is transparent to solution, and 55.65g sodium carbonate is added, 80L dimethylbenzene is then added, and continues stirring and is warming up to 140 DEG C of salt-forming reactions and opens
Begin, and collect moisture, maintain range of the temperature at 160 DEG C -180 DEG C, when not having water generation, it was demonstrated that it is complete at salt, then steam
Toluene is evaporated and released, is gradually heated to 230 DEG C of beginning polymerization reactions constant temperature 3 hours, until stirring motor torque is constant, illustrates body
It is viscosity substantially constant；Stop stirring and heating, material is poured slowly into deionized water and is cooled to white strip solid, then is used
Pulverizer is broken into powdered, is boiled 1 hour with deionized water, filters off moisture, be so repeated 10 times, until filtrate nitric acid
Silver detection does not become cloudy, and it is clean to illustrate in powder that by-product salt removes, after filtering polymer with 120 DEG C of dryings of vacuum drying oven extremely
Constant weight is to get polyphenylsulfone polymer PPSU material.
The injection molding process of rice bowl application are as follows: 120 tons of boards, barrel temperature: 300 DEG C -320 DEG C -340 DEG C -350 DEG C -
360℃-380℃；Mold temperature: 160 DEG C；Injection pressure: 120MPa；Injection speed: 100cm3/s；Cooling time: 150 seconds.
Embodiment 5
Method is basic and embodiment 1 is identical, and gained PPSU material is first mixed into 2.3% titanium white before injection molding chopsticks
Powder R2233,0.05% BASF organic pigmentBlue K 7104LW, is put into high mixer mixing 30min, then into
Row injection molding obtains sky blue chopsticks.
Embodiment 6
Method is basic and embodiment 3 is identical, and gained PES material is first mixed into 0.03% BASF before injection molding chopsticks
Organic pigmentOrange K 2960 is put into high mixer mixing 30min, then carries out injection molding, obtains tangerine
Red, transparent food steamer drawer.
Embodiment 7
Method is basic and embodiment 4 is identical, and gained PPSU material is first mixed into 2.3% titanium white before injection molding chopsticks
Powder R2233,0.05% BASF inorganic pigmentBrown K 259 is put into high mixer mixing 30min, then carries out
Injection molding obtains light brown rice bowl.
Embodiment 8
Method and embodiment 1 are identical, and gained PPSU material is first mixed into 2.3% titanium dioxide before injection molding chopsticks
R2233,0.05% BASF inorganic pigmentBlue K 7104LW, is made with double screw extruder melting extrusion
Grain, obtains sky blue plastic pellet；Injection molding is carried out again, obtains sky blue chopsticks.
Table 1 is each testing performance index of sulfone polymer of the synthesis of the embodiment of the present invention 1~4 as a result, as can be seen from Table 1:
The transparency of gained sulfone polymer of the invention is 81~95%, and mist degree is 0.1~2, and yellowness index is 0.5~5, melt flows speed
Rate is 15~50g/10min, has high temperature tolerance and is not susceptible to mildew property, the meal particularly useful for making foodstuff sanitation-stage
Tool.
Table 1 is each testing performance index result of sulfone polymer of Examples 1 to 4 synthesis
Concentration embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of sulfone polymer, which is characterized in that the sulfone polymer has the repetitive unit of Formulas I structure:
The transparency of the sulfone polymer is 81~95%, and mist degree is 0.1~2, and yellowness index is 0.5~5, and melt flow rate (MFR) is
15~50g/10min has high temperature tolerance and is not susceptible to mildew property, the tableware particularly useful for making foodstuff sanitation-stage；
Wherein, the value range of n is 2~200, and end group X, Y are selected from-Cl ,-OH ,-CH3, any one in phenyl and its derivative
Kind, Ar unit has the following structure any one in formula:
2. sulfone polymer according to claim 1, which is characterized in that the value range of n is 10~100.
3. sulfone polymer according to claim 1, which is characterized in that commercially available high temperature resistant coloring can be used in the sulfone polymer
Agent is coloured, and colorant includes inorganic pigment or one of dyestuff, organic pigment and dyestuff, Masterbatch or a variety of, coloring
The heat resisting temperature of agent is greater than 300 DEG C.
4. sulfone polymer according to claim 3, which is characterized in that the heat resisting temperature of the colorant is greater than 340 DEG C.
5. sulfone polymer according to claim 1, which is characterized in that the sulfone polymer includes polyether sulfone PES and polyphenyl
Sulfone PPSU carries out nucleophilic displacement of fluorine polycondensation reaction by solwution method and is prepared, and the synthon of use includes aromatic dihydroxy list
Body and dihalo diphenyl sulphone (DPS) monomer；
Wherein, the aromatic dihydroxy monomer is selected from 4,4 '-dihydroxydiphenylsulisomers or 4,4 '-dihydroxybiphenyls；
The dihalo diphenyl sulphone (DPS) monomer is selected from 4,4 '-dihalo diphenyl sulphone (DPS)s；
The molar ratio of the aromatic dihydroxy monomer and dihalo diphenyl sulphone (DPS) monomer is 1:0.95~1.05, i.e. dihalo hexichol
Sulfone monomer can be it is excessive, be also possible to owe amount.
6. the application of sulfone polymer described according to claim 1~any one of 5, which is characterized in that it is used for production tableware,
Including chopsticks, soup ladle, meal shovel, food steamer, steamer, pot cover, the kitchen utensils such as chopping block；It can also be used for production cup, teapot, teacup etc.
Drinking tool.
7. the application of sulfone polymer according to claim 6, which is characterized in that it is used for the sulfone polymer to make chopsticks,
Injection molding process are as follows:
Board temperature: 320~390 DEG C；Mold temperature: 120~180 DEG C；Injection pressure: 90~120MPa；Injection speed: 60~
80cm3/s；Cooling time: 20~180 seconds；
After injection molding, then chopsticks are polished, grinds off the excess stocks such as overlap, cast gate and corner angle, chopsticks is made to show gloss.
8. the application of sulfone polymer according to claim 7, which is characterized in that the polishing process are as follows: be added in sanding machine
A certain amount of resin ground stone, places into a certain amount of chopsticks, adds water to and does not cross chopsticks, is finally putting into polishing fluid, is switched on positive and negative
Turn circular flow, until chopsticks show gloss, taking-up chopsticks are got product after drying.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452383A (en) * | 2019-08-28 | 2019-11-15 | 江西金海新能源科技有限公司 | A kind of high thermal stability sealing end sulfone polymer, preparation method and its application on tableware |
| CN111909515A (en) * | 2020-08-28 | 2020-11-10 | 江西金海新能源科技有限公司 | Antibacterial composition for preparing tableware and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734913A (en) * | 2019-01-21 | 2019-05-10 | 江西金海新能源科技有限公司 | Bromoalkane blocks sulfone polymer and preparation method thereof |
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- 2019-08-12 CN CN201910740535.5A patent/CN110483775A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734913A (en) * | 2019-01-21 | 2019-05-10 | 江西金海新能源科技有限公司 | Bromoalkane blocks sulfone polymer and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452383A (en) * | 2019-08-28 | 2019-11-15 | 江西金海新能源科技有限公司 | A kind of high thermal stability sealing end sulfone polymer, preparation method and its application on tableware |
| CN111909515A (en) * | 2020-08-28 | 2020-11-10 | 江西金海新能源科技有限公司 | Antibacterial composition for preparing tableware and preparation method thereof |
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Application publication date: 20191122 |