CN107759997A - Abrasion resistant fire blocking antibacterial PC materials and preparation method thereof - Google Patents
Abrasion resistant fire blocking antibacterial PC materials and preparation method thereof Download PDFInfo
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- CN107759997A CN107759997A CN201711126761.1A CN201711126761A CN107759997A CN 107759997 A CN107759997 A CN 107759997A CN 201711126761 A CN201711126761 A CN 201711126761A CN 107759997 A CN107759997 A CN 107759997A
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- abrasion resistant
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The present invention relates to plastic material field, and in particular to a kind of abrasion resistant fire blocking antibacterial PC materials and preparation method thereof, abrasion resistant fire blocking antibacterial PC materials, is made up of by mass percentage following components：PC 65 85%；PTFE 5 25%；Toughener 5 8%；Fire retardant 4 8%；Compatilizer 1 5%；Nano antibacterial agent 1.0 3.0%；Antioxidant 0.2 0.5%.Wearability of the present invention is good, service life is long, good flame resistance, potential safety hazard is low, antibiotic property is good, is advantageous to user health and environment-protecting and non-poisonous.
Description
Technical field
The present invention relates to plastic material field, more particularly to abrasion resistant fire blocking antibacterial PC materials and preparation method thereof.
Background technology
PC is makrolon, is unique transparent material in five large-engineering plastics.It possesses heat-resisting, the combination property such as resistance to electricity.
Meanwhile also with shock resistance, dimensionally stable, it is fire-retardant the features such as, be widely used in glazing, auto industry, electronic apparatus
Deng in field, particularly auto industry, PC vehicle windows have excellent shock resistance (it is higher than common inorganic glass 250 times, than mark
Quasi- PMMA glass sheet material is high more than 30 times), light weight, light transmittance, sound-proofing, thermal insulation are good, cost-effective, can
The advantages that chemical modification and big physical modification potentiality, it is widely used in glazing, auto industry, electronic apparatus, machinery zero
The field such as the office equipments such as part, CD, packaging, computer, medical treatment and health care, film, leisure and protective equipment.
Higher requirement is proposed to the performance of PC each side with increasingly fierceness, all trades and professions of market competition.For example,
When PC materials are used for electronic enterprises, on the one hand, in daily life, the external environment condition such as suitable temperature, humidity is easy
Bacterium is grown infection in electronic apparatus, be unfavorable for user health；Second aspect, it is low hardness to be but present in PC materials, wear-resisting, resistance to
The shortcomings of scratch performance difference, cause electronic apparatus to wear no resistance, easily scratch, service life is short.The third aspect, when improper use is made
Into fire risk being present during electronic apparatus short circuit, and PC materials do not have fire resistance, and potential safety hazard is big.
The content of the invention
To solve the above problems, the present invention provides, a kind of wearability is good, service life is long, good flame resistance, potential safety hazard are low,
Antibiotic property is good, is advantageous to user health and environment-protecting and non-poisonous abrasion resistant fire blocking antibacterial PC materials and preparation method thereof.
The technical solution adopted in the present invention is：Abrasion resistant fire blocking antibacterial PC materials, by following components group by mass percentage
Into：PC 65-85%；PTFE 5-10%；Toughener 5-8%；Fire retardant 4-8%；Compatilizer 1-5%；Nano antibacterial agent 1.0-
3.0%；Antioxidant 0.2-0.%.
To being further improved to for above-mentioned technical proposal, the PC is bisphenol A polycarbonate.
To being further improved to for above-mentioned technical proposal, the PTFE is ptfe micropowder.
To being further improved to for above-mentioned technical proposal, the toughener be Methylacrylate-Acrylate Copolymer,
In MBS ternary graft copolymer, ethylene-vinyl acetate copolymer grafted maleic anhydride
One or more.
To being further improved to for above-mentioned technical proposal, the fire retardant is Sulfonates fire retardant.
To being further improved to for above-mentioned technical proposal, the compatilizer is maleic anhydride grafted ethene-octene copolymer.
To being further improved to for above-mentioned technical proposal, the antiseptic be silver ion calcium phosphate, silver-ion antibiotic zeolite,
One or more in silica modified organic antibacterial agent, quaternary alkylphosphonium salt antiseptics.
To being further improved to for above-mentioned technical proposal, the antioxidant is mass ratio 1：1 hindered phenol antioxygen 1076
With the compound of phosphite antioxidant 168.
The preparation method of abrasion resistant fire blocking antibacterial PC materials, comprises the following steps, a, the PC, PTFE for weighing parts by weight, toughness reinforcing
Agent, fire retardant, compatilizer, nano antibacterial agent, it is dry, standby；B, each component raw material in step a is placed in high speed dispersor
It is scattered at a high speed；C, will in step b disperse after raw material in screw extruder extrusion molding, obtain abrasion resistant fire blocking antibacterial PC material strips；
D, the material strip in step c is cooled down, air-dried, material strip is wound after air-drying, vacuum drying oven is placed in after winding and is done again
It is dry, obtain abrasion resistant fire blocking antibacterial PC particles.
To being further improved to for above-mentioned technical proposal, in step b, the rotating speed of high speed dispersor is 1500~2000r/
Min, high speed jitter time are 20~30min；In step c, screw extruder, area's temperature is 180-200 DEG C, and two area's temperature are
230-245 DEG C, three area's temperature are 230-245 DEG C, and four area's temperature are 230-245 DEG C, and five area's temperature are 230-245 DEG C, six area's temperature
Spend for 220-230 DEG C, seven area's temperature are 220-230 DEG C, and eight area's temperature are 220-230 DEG C, and head temperature is 230-250 DEG C, spiral shell
Bar rotating speed is 360-450 revs/min, melt pressure 5-10Mpa；In step d, using 60~70 DEG C of degree recirculated waters during cooling
It is cold, air-dried when air-drying using room temperature, temperature is 60~80 DEG C when vacuum drying oven is dried, and drying time is 8~10h.
Beneficial effects of the present invention are：
1st, on the one hand, PTFE is added in the present invention, PTFE dispersion resins are a kind of white, soft tacky powdery modelings
Expect class material, it is resistance to ag(e)ing, nontoxic because it has excellent wearability, weather resisteant, rotproofness, an insulating properties, can the spy such as fibrosis
Point, PC and PTFE blendings, can both keep PC excellent heat resistance, dimensional stability and Injection moldability, and improve it again
Anti-wear performance, PC is modified by PTFE, PC wearability can be significantly improved, improve the anti-scratch performance of PC products, extended
Its service life.Second aspect, toughener is added in formula, the toughness of component can be lifted；The third aspect, fire retardant is added,
PC fire resistance is significantly improved, reduces potential safety hazard.Fourth aspect, it is compatible between raising each component added with compatilizer
Property, so as to improve the stability of composite, added with nano antibacterial agent, the anti-microbial property of composite is improved, is prevented thin
Bacterium grows, and is advantageous to user health, added with antioxidant, prevents each component in composite from aoxidizing at high temperature, be advantageous to
Ensure every physicochemical property of composite.
2nd, PC is bisphenol A polycarbonate, and PTFE is ptfe micropowder, and bisphenol A polycarbonate has preferable
Mechanical strength, excellent heat resistance, the advantages that impact strength is high, there is good power in wide range (15~130 DEG C)
Performance is learned, on the one hand can improve the wearability of composite, second aspect, hydroxyphenyl therein can more preferable and polytetrafluoroethylene (PTFE)
Micropowder bonded, trickle ptfe micropowder is added, PC wearability can be made to improve 5 times, further increase composite
Wearability.
3rd, toughener is Methylacrylate-Acrylate Copolymer, MBS three
One kind in first graft copolymer, ethylene-vinyl acetate copolymer grafted maleic anhydride, preferably methacrylate-propylene
Acid ester copolymer, wherein containing methyl isoreactivity group, these groups can be preferably with chemically reacting, after solidification not with PC
It is fully compatible, split-phase is also wanted sometimes, can obtain preferable toughening effect, makes heat distortion temperature constant or decline is little, and anti-impact
Hit performance to be obviously improved again, further increase the mechanical property and wearability of the present invention.
4th, fire retardant is Sulfonates fire retardant, can be degraded after being heated due to PC, that is, molecule knot can occur after being heated
The rearrangement of structure so that PC is crosslinked.This rearrangement of the sulfur dioxide that sulfonate is thermally decomposed to generate to PC molecules, which has, to be promoted to make
With, so as to promote PC crosslinking, fuel gas release and the propagation of heat are prevented into charcoal on PC material surfaces after crosslinking,
To anti-flaming function, using Sulfonates fire retardant, good flame retardation effect, be advantageous to improve the fire resistance of composite, reduce peace
Full hidden danger.
5th, compatilizer is maleic anhydride grafted ethene-octene copolymer, and compatilizer refers to by means of intermolecular bonding force,
Incompatible two kinds of polymer is promoted to be incorporated in one, and then the auxiliary agent for the blend stablized.Increase two kinds of polymer
Compatibility, bonding force increases between being allowed to two kinds of polymer, forms stable structure, makes dispersed phase and continuous phase uniform, i.e., compatible
Change.Why compatilizer can make the different polymer-compatible of two kinds of property, and being respectively can be with two because having in the molecule thereof
The reason for the group that kind polymer is physically or chemically combined.Maleic anhydride grafted ethene-octene copolymer, i.e. POE, its energy
Combined simultaneously with PC and PTFE, add the comixing compatibility between the tearing toughness and each component of composite, further carry
The high mechanical property and wearability of the present invention.
6th, antiseptic is that silver ion calcium phosphate, silver-ion antibiotic zeolite, silica modified organic antibacterial agent, quaternary alkylphosphonium salts resist
One or more in microbial inoculum, preferably silver ion calcium phosphate and silica modified organic antibacterial agent are 1 in mass ratio:1
Compound, wherein, silver ion has bacteria resistance function, and silica modified organic antibacterial agent can effectively kill all kinds of bacteriums, antibacterial
Effect is good, is further advantageous to user health.
7th, antioxidant is mass ratio 1：1 hindered phenol antioxygen 1076 and the compound of phosphite antioxidant 168.Will be anti-
Oxygen agent 1076 and irgasfos 168 are used in combination, and can play synergy therebetween, and thermo oxidative aging ability is strong, improve multiple
The heat endurance of condensation material, be advantageous to the performance of composite items physicochemical property.
8th, the preparation method of abrasion resistant fire blocking antibacterial PC materials, comprises the following steps, a, the PC, PTFE for weighing parts by weight, increasing
Tough dose, fire retardant, compatilizer, nano antibacterial agent, it is dry, standby；B, each component raw material in step a is placed in high speed dispersor
High speed is disperseed；C, will in step b disperse after raw material in screw extruder extrusion molding, obtain abrasion resistant fire blocking antibacterial PC material
Bar；D, the material strip in step c is cooled down, air-dried, material strip is wound after air-drying, vacuum drying oven is placed in after winding again
Dry, obtain abrasion resistant fire blocking antibacterial PC particles.Technique is simple, and technological parameter is easily controllable so that the PC mechanics of materials of preparation
Can it is good, wearability is good, good flame resistance, antibiotic property are good.After cooling, first air-dry again vacuum drying oven and dry, thoroughly can remove in material strip
Moisture, prevent being adhered between particle after pelletizing.Before extrusion molding, component is disperseed by high speed dispersor, made
Obtain each component to be well mixed, improve the stability of the present invention.
9th, in step b, the rotating speed of high speed dispersor is 1500~2000r/min, and high speed jitter time is 20~30min；
If rotating speed is too high, PC and PTFE polymer chain structure can be destroyed so that modified effect is poor, if rotating speed is too low, can not make group again
/ well mixed.In step c, screw extruder, area's temperature is 180-200 DEG C, and preferably 190 DEG C, two area's temperature are
230-245 DEG C, preferably 235 DEG C, three area's temperature are 230-245 DEG C, and preferably 240 DEG C, four area's temperature are 230-245 DEG C, excellent
Elect 240 DEG C as, five area's temperature are 230-245 DEG C, preferably 240 DEG C, and six area's temperature are 220-230 DEG C, preferably 225 DEG C, seven
Area's temperature be 220-230 DEG C, preferably 225 DEG C, eight area's temperature be 220-230 DEG C, preferably 225 DEG C, head temperature 230-
250 DEG C, preferably 240 DEG C, screw speed be 360-450 revs/min, preferably 400 revs/min, melt pressure 5-
10Mpa, preferably 8Mpa；Extrusion molding speed is fast, good forming effect, and can prevent temperature is too high to cause PC or PTFE high temperature point
Solution.In step d, using 60~70 DEG C of degree recirculated water coolings during cooling, air-dried when air-drying using room temperature, temperature when vacuum drying oven is dried
For 60~80 DEG C, drying time is 8~10h, and drying effect is good.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment one
Abrasion resistant fire blocking antibacterial PC materials, are made up of by mass percentage following components：PC 80%；PTFE 5%；Toughener
6%；Fire retardant 6%；Compatilizer 1%；Nano antibacterial agent 1.5%；Antioxidant 0.5%.
Embodiment two
Abrasion resistant fire blocking antibacterial PC materials, are made up of by mass percentage following components：PC 70%；PTFE 15%；Toughness reinforcing
Agent 6%；Fire retardant 4%；Compatilizer 3%；Nano antibacterial agent 1.5%；Antioxidant 0.5%.
Embodiment three
Abrasion resistant fire blocking antibacterial PC materials, are made up of by mass percentage following components：PC 60%；PTFE 25%；Toughness reinforcing
Agent 4%；Fire retardant 4%；Compatilizer 5%；Nano antibacterial agent 1.5%；Antioxidant 0.5%.
Control group one
Abrasion resistant fire blocking antibacterial PC materials, are made up of by mass percentage following components：PC 85%；Toughener 4%；It is fire-retardant
Agent 9%；Nano antibacterial agent 1.5%；Antioxidant 0.5%.
Control group two
Abrasion resistant fire blocking PC materials, it is made up of by mass percentage following components：PC 85%；Toughener 5%；Fire retardant
9%；Antioxidant 1.0%.
Various embodiments above, PC are bisphenol A polycarbonate, and PTFE is ptfe micropowder, and toughener is methyl-prop
Olefin(e) acid ester-acrylate copolymer, fire retardant are Sulfonates fire retardant, and compatilizer is that maleic anhydride grafted ethene-octene is common
Polymers, antiseptic is silver ion calcium phosphate and silica modified organic antibacterial agent is 1 in mass ratio:1 compound.
The preparation method of abrasion resistant fire blocking antibacterial PC materials is a, the PC, PTFE for weighing parts by weight, toughener, fire retardant, phase
Hold agent, nano antibacterial agent, it is dry, standby；B, each component raw material in step a is placed in into high speed dispersor high speed to disperse；c、
Will in step b disperse after raw material in screw extruder extrusion molding, obtain abrasion resistant fire blocking antibacterial PC material strips；D, in step c
Material strip cooled down, air-dried, air-dry after material strip is wound, vacuum drying oven is placed in after winding and is dried again, is obtained wear-resisting
Flame-proof antibiotic PC particles.
In step b, the rotating speed of high speed dispersor is 1800r/min, and high speed jitter time is 25min.In step c, screw rod
Extruder, area's temperature are preferably 190 DEG C, and two area's temperature are preferably 235 DEG C, and three area's temperature are preferably 240 DEG C, and four area's temperature are excellent
Elect 240 DEG C as, five area's temperature are preferably 240 DEG C, and six area's temperature are preferably 225 DEG C, and seven area's temperature are preferably 225 DEG C, eight area's temperature
Degree is preferably 225 DEG C, and head temperature is preferably 240 DEG C, and screw speed is preferably 400 revs/min, and melt pressure is preferably
8Mpa.In step d, using 65 DEG C of degree recirculated water coolings during cooling, air-dried when air-drying using room temperature, temperature is when vacuum drying oven is dried
70 DEG C, drying time 10h.
Physicochemical property test, test result are carried out to the abrasion resistant fire blocking antibacterial PC materials of embodiment one, two, three and control group
As shown in table 1.
From table (1), on the one hand, in the presence of all kinds of processing aids, be blended, obtained by PC and PTFE
PC materials, mechanical property is good, and wearability is strong, and has anti-flammability and antibiotic property.Second aspect, from embodiment one, embodiment two
It can be seen that with embodiment three, PC and PTFE are blended, when the two mass ratio is close to 5:When 1, obtained composite items physics and chemistry
Can preferably, this is due to the addition with PTFE, and PC mechanical property gradually improves, when being added to a certain amount of, in mixture
PC all combined with PTFE, be now further added by PTFE, can cause PTFE is free to exist, composite materials property reduces, because
This, when PC and PTFE mass ratioes are 5:When 1, now composite property is best.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. abrasion resistant fire blocking antibacterial PC materials, it is characterised in that：It is made up of by mass percentage following components：PC 65-85%；
PTFE 5-25%；Toughener 5-8%；Fire retardant 4-8%；Compatilizer 1-5%；Nano antibacterial agent 1.0-3.0%；Antioxidant
0.2-0.5%.
2. abrasion resistant fire blocking antibacterial PC materials according to claim 1, it is characterised in that：The PC is the poly- carbonic acid of bisphenol A-type
Ester.
3. abrasion resistant fire blocking antibacterial PC materials according to claim 2, it is characterised in that：The PTFE is that polytetrafluoroethylene (PTFE) is micro-
Powder.
4. abrasion resistant fire blocking antibacterial PC materials according to claim 3, it is characterised in that：The toughener is methacrylic acid
Ester-acrylate copolymer, MBS ternary graft copolymer, ethene-vinyl acetate are common
One or more in polymers grafted maleic anhydride.
5. abrasion resistant fire blocking antibacterial PC materials according to claim 4, it is characterised in that：The fire retardant hinders for Sulfonates
Fire agent.
6. abrasion resistant fire blocking antibacterial PC materials according to claim 5, it is characterised in that：The compatilizer connects for maleic anhydride
Branch ethylene-octene copolymer.
7. abrasion resistant fire blocking antibacterial PC materials according to claim 6, it is characterised in that：The antiseptic is silver ion phosphoric acid
One or more in calcium, silver-ion antibiotic zeolite, silica modified organic antibacterial agent, quaternary alkylphosphonium salt antiseptics.
8. abrasion resistant fire blocking antibacterial PC materials according to claim 7, it is characterised in that：The antioxidant is mass ratio 1：1
Hindered phenol antioxygen 1076 and phosphite antioxidant 168 compound.
9. the preparation method of abrasion resistant fire blocking antibacterial PC materials, it is characterised in that：Comprise the following steps, a, weigh parts by weight PC,
PTFE, toughener, fire retardant, compatilizer, nano antibacterial agent, it is dry, standby；B, each component raw material in step a is placed in height
Fast dispersion machine high speed is disperseed；C, raw material after disperseing in step b in screw extruder extrusion molding, obtain abrasion resistant fire blocking and resist
Bacterium PC material strips；D, the material strip in step c is cooled down, air-dried, material strip is wound after air-drying, vacuum baking is placed in after winding
Case is dried again, obtains abrasion resistant fire blocking antibacterial PC particles.
10. the preparation method of abrasion resistant fire blocking antibacterial PC materials according to claim 9, it is characterised in that：It is high in step b
The rotating speed of fast dispersion machine is 1500~2000r/min, and high speed jitter time is 20~30min；In step c, screw extruder, one
Area's temperature is 180-200 DEG C, and two area's temperature are 230-245 DEG C, and three area's temperature are 230-245 DEG C, and four area's temperature are 230-245
DEG C, five area's temperature are 230-245 DEG C, and six area's temperature are 220-230 DEG C, and seven area's temperature are 220-230 DEG C, and eight area's temperature are 220-
230 DEG C, head temperature is 230-250 DEG C, and screw speed is 360-450 revs/min, melt pressure 5-10Mpa；In step d,
Using 60~70 DEG C of degree recirculated water coolings during cooling, being air-dried when air-drying using room temperature, temperature is 60~80 DEG C when vacuum drying oven is dried,
Drying time is 8~10h.
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| CN201711126761.1A CN107759997A (en) | 2017-11-15 | 2017-11-15 | Abrasion resistant fire blocking antibacterial PC materials and preparation method thereof |
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| CN201711126761.1A CN107759997A (en) | 2017-11-15 | 2017-11-15 | Abrasion resistant fire blocking antibacterial PC materials and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205614A (en) * | 2019-07-29 | 2020-05-29 | 杭州金州高分子科技有限公司 | Flame-retardant antibacterial PC alloy material for intelligent closestool and preparation method thereof |
| CN114919260A (en) * | 2022-05-30 | 2022-08-19 | 中宇智慧光能科技有限公司 | Light energy pavement assembly and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242637A (en) * | 2013-05-31 | 2013-08-14 | 东莞市国立科技有限公司 | High-gloss, high-hardness and spraying-free halogen-free flame-retardant PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) plastic modified material and preparation method thereof |
-
2017
- 2017-11-15 CN CN201711126761.1A patent/CN107759997A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242637A (en) * | 2013-05-31 | 2013-08-14 | 东莞市国立科技有限公司 | High-gloss, high-hardness and spraying-free halogen-free flame-retardant PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) plastic modified material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205614A (en) * | 2019-07-29 | 2020-05-29 | 杭州金州高分子科技有限公司 | Flame-retardant antibacterial PC alloy material for intelligent closestool and preparation method thereof |
| CN111205614B (en) * | 2019-07-29 | 2021-12-28 | 杭州金州高分子科技有限公司 | Flame-retardant antibacterial PC alloy material for intelligent closestool and preparation method thereof |
| CN114919260A (en) * | 2022-05-30 | 2022-08-19 | 中宇智慧光能科技有限公司 | Light energy pavement assembly and preparation method thereof |
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