CN105566749B - The preparation method of polypropylene rod and the equipment for after-treatment for this method - Google Patents
The preparation method of polypropylene rod and the equipment for after-treatment for this method Download PDFInfo
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- CN105566749B CN105566749B CN201410625214.8A CN201410625214A CN105566749B CN 105566749 B CN105566749 B CN 105566749B CN 201410625214 A CN201410625214 A CN 201410625214A CN 105566749 B CN105566749 B CN 105566749B
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 63
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 62
- -1 polypropylene Polymers 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 238000000034 method Methods 0.000 title abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000012805 post-processing Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 8
- 230000003750 conditioning effect Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 28
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 18
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 4
- 229960000834 vinyl ether Drugs 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- BRKFQVAOMSWFDU-UHFFFAOYSA-M tetraphenylphosphanium;bromide Chemical class [Br-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 BRKFQVAOMSWFDU-UHFFFAOYSA-M 0.000 claims description 3
- 239000012065 filter cake Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- NMOJAXCSURVGEY-UHFFFAOYSA-N N#CC#N.[S] Chemical compound N#CC#N.[S] NMOJAXCSURVGEY-UHFFFAOYSA-N 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 7
- DTMHTVJOHYTUHE-UHFFFAOYSA-N thiocyanogen Chemical compound N#CSSC#N DTMHTVJOHYTUHE-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010924 continuous production Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- ISWMPZKCFGUBPJ-UHFFFAOYSA-N 1-(2-aminophenyl)propan-1-one Chemical compound CCC(=O)C1=CC=CC=C1N ISWMPZKCFGUBPJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011505 plaster Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 241001274660 Modulus Species 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- KHMNCHDUSFCTGK-UHFFFAOYSA-N 2-aminophenylacetic acid Chemical class NC1=CC=CC=C1CC(O)=O KHMNCHDUSFCTGK-UHFFFAOYSA-N 0.000 description 2
- 101100234547 Caenorhabditis elegans rod-1 gene Proteins 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Equipment for after-treatment the present invention relates to a kind of preparation method of polypropylene rod and for this method, polypropylene rod is made up of polypropene composition after extrusion equipment extrusion molding, cutting equipment cutting, equipment for after-treatment are post-processed；The polypropene composition is mixed to prepare by molecular weight for 3000~4000 polypropylene, thiocyanogen 1 (2 aminophenyl) ethyl ketone, fire-retardant filler, auxiliary packing, melt index conditioning agent；Equipment for after-treatment, is arranged in order and is constituted by heater, cooling three independent devices of buffer unit and cooling device.Raw material wide material sources in preparation method disclosed by the invention, preparation process is simply controllable, and equipment for after-treatment only needs routine operation, and realizes bar shaping, cutting, the continuous production of post processing first, it is easy to industrialization.
Description
Technical field
The invention belongs to polymer preparation field, and in particular to the preparation method of a kind of polypropylene rod and for this method
Equipment for after-treatment.
Background technology
With the development of science and technology, the production technology of various kind plastic products reaches its maturity, by wide weary for people
Among life, wherein sticking plaster is important and the wider plastics variety of purposes, with the development of Chemical Engineering Technology, by various plastics
Sticking plaster prepared by raw material is because suitable for making anti-attrition wear part, driving parts, Meter Parts, decoration parts etc. are wide
It is general to be applied in chemical industry, electronics, exhibition and shop equipment, building trade, lighting industry, furniture industry and advertisement industry.
Polypropylene is seen everywhere in military, civilian, engineering as one of most conventional plastics, there is polypropylene particles system
Standby polypropylene rod density is small, and odorless, tasteless, nontoxic, is food grade plastic, meets state health standards, except for machine
Outside tool, engineering, field of food is also widely used for.
Light weight, processing temperature are low compared with metal, are the important advantages of sticking plaster application；But it is due to the intrinsic of plastic products
Defect, fire resistance, mechanical property, the heat resistance of polypropylene rod also need to improve and keep stable.
The production process of sticking plaster is essentially using plastic pellet as raw material, by extrusion equipment extrusion molding, cutting equipment
Cutting and equipment for after-treatment post processing.Plastic pellet is first melted in extrusion equipment, then by mould, in the work of tractive force
With lower formation bar；According to actual needs, bar is cut into all size；Finally post-process to improve the performance of sticking plaster.
It is formula and post processing to influence the key factor of sticking plaster performance, is stretched especially for mechanical property, including modulus of elasticity/fracture
Long rate etc., is post-processed particularly important.Internal stress can be eliminated by the heating post processing to sticking plaster, crystallinity is improved, it is stable
Crystallographic configurations, so as to improve the modulus of elasticity of product, hardness, reduce the elongation at break of sticking plaster.
In the prior art, for polypropylene rod, the temperature of post processing is above 100 DEG C, generally 120-150 DEG C,
Mainly think at this temperature, polypropylene can be crystallized further, improve intensity, but under this measure is Materials Fracture absorbability
Drop, second crystallization defect occur, reduce the impact property of polypropylene rod；Existing finishing time is longer, reaches tens hours,
This can cause the decline of brilliant degree and storage modulu again.Meanwhile, if the temperature-fall period control after heat treatment is improper, it can slacken, very
To the favourable outcome for overturning heat treatment process.
The post processing mode of current polypropylene rod is, the polypropylene rod heap of cutting is good, is put into oven, and this exists tight
The problem of weight, it is exactly the heated inequality of each polypropylene rod, causes properties of product inconsistent, unstable, has no in the prior art pair
The explanation of this problem；And existing processing method has blocked the continuity of production.
The content of the invention
Equipment for after-treatment it is an object of the invention to provide a kind of preparation method of polypropylene rod and for this method, by
This can prepare the excellent polypropylene rod of fire resistance, mechanical property, hot property.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of polypropylene rod, by polypropene composition
It is made after extrusion equipment extrusion molding, cutting equipment cutting, equipment for after-treatment post processing；The polypropene composition is by dividing
Son amount is 3000~4000 polypropylene, thiocyanogen -1- (2- aminophenyls) ethyl ketone, fire-retardant filler, auxiliary packing, melt index
Conditioning agent is 100 in mass ratio: (5~7): (8~10): (15~20): (0.1~0.2) melting mixing is made；
The fire-retardant filler is prepared by the following manner：
In the ethanol solution that expansible graphite is added to 0.08M tetraphenyl phosphonium bromides, make mole of phosphorus and expansible graphite
Than loading container sealing for 0.05~0.06: 1, after stirring and being sufficiently mixed, compactedness is 65~70%, by sealing container in 93
~100 DEG C of 3.4~4h of heating, naturally cool to room temperature, after products therefrom is freeze-dried, in Muffle furnace under nitrogen atmosphere
1.6~2h is sintered at 780~800 DEG C, solid is obtained；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow adds second
Reaction solution is formed in the mixed liquor of alkenyl glycol ether and acetone, suction filtration reaction solution, obtained filter cake after flowing back 28~35 minutes
It is fire-retardant filler after drying；The mass ratio of the screenings, glycol divinyl ether and acetone is 100: (50~55): (120
~140)；
The auxiliary packing is prepared by the following manner：
It is 100 in mass ratio by silica, aluminum phosphate, carclazyte: (50~55): after (8~10) are well mixed, in Muffle
3~4h is sintered at 800~850 DEG C in stove, solid is obtained；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow is
Auxiliary packing；
The post processing includes heating, cools down buffered and cooling treatment；The heat treatment temperature is 90
DEG C, cooling buffered temperature is 55 DEG C, and cooling treatment temperature is room temperature；
The equipment for after-treatment is arranged successively by heater, cooling three independent devices of buffer unit and cooling device
Row composition；The heater includes conveyer belt, 2 pieces of cored slabs, hair-dryer, temperature measuring devices；Hair-dryer air outlet passes through sky
Feed channel is connected with 1 piece of cored slab；The air duct is provided with two heating rods；2 pieces of cored slabs are located at conveyer belt both sides, it
Between connected by hot air duct；The temperature measuring device is arranged on hot air duct；The cored slab is located at the side of conveyer belt
Provided with gas hole；The cooling buffer unit includes solid heating plate, conveyer belt；The cooling device includes conveyer belt, 2 pieces of skies
Core, hair-dryer；Hair-dryer air outlet is connected by air duct with 1 piece of cored slab；2 pieces of cored slabs are located at conveyer belt both sides,
Between pass through pipeline communication；The side that the cored slab is located at conveyer belt is provided with gas hole.
The invention also discloses a kind of equipment for after-treatment, by heater, cooling buffer unit and cooling device three
Independent device is arranged in order composition；The heater includes conveyer belt, 2 pieces of cored slabs, hair-dryer, temperature measuring devices；Blow
Fan outlet is connected by air duct with 1 piece of cored slab；The air duct is provided with two heating rods；2 pieces of cored slabs
Positioned at conveyer belt both sides, between connected by hot air duct；The temperature measuring device is arranged on hot air duct；The cored slab
Gas hole is provided with positioned at the side of conveyer belt；The cooling buffer unit includes solid heating plate, conveyer belt；The cooling device
Including conveyer belt, 2 pieces of cored slabs, hair-dryers；Hair-dryer air outlet is connected by air duct with 1 piece of cored slab；2 pieces of cored slabs
Positioned at conveyer belt both sides, between pass through pipeline communication；The side that the cored slab is located at conveyer belt is provided with gas hole.
In above-mentioned technical proposal, the quantity for the gas hole that heater and cooling device are set is according to instrument size
Fixed, the overall principle of arrangement is so that the polypropylene rod on conveyer belt is bullied uniformly；A diameter of 2cm~3cm of the gas hole,
As needed, gas hole pore-size distribution is rationally set.
In the present invention, heating rod, solid heating plate belong to prior art, its application be not particularly limited, by wire with
The master control box of workshop is connected, and is heated using electricity.
In above-mentioned technical proposal, extrusion molding is to prepare one of main method of polypropylene rod, mainly molten including polymer
Melt, liquation is filtered, template is molded, draw the steps such as stretching.The diameter of obtained polypropylene rod can be by the big ditty of pore size of template
Section.
The melt index conditioning agent being related in above-mentioned technical proposal can adjust the melting of polymer in the molten state and refer to
Number, belongs to prior art.For example：Melt index conditioning agent YP803, (Huizhou Yu Pu Chemical Co., Ltd.s)；Melt index is adjusted
Agent MY-369 (Shanghai He Xin Fine Chemical Co., Ltd).
In the equipment for after-treatment of the present invention, the conveyer belt independent operating in three self-contained units can be using staged row
The belt position highest of row mode, i.e. heater, the belt position of cooling device is minimum；Polypropylene rod was so both ensured
The continuity of production process, is conducive to adjusting and stablizing time of the polypropylene rod in each temperature section again.
In the present invention, polypropylene rod is cut into after the size of needs by cutting equipment, directly moves into the transmission of heater
Take, start heat treatment；On the conveyer belt for falling into cooling buffer unit afterwards, start to cool according to set requirements；Finally fall
Enter on the conveyer belt of cooling device, post processing is completed, and can directly be packed., can be in conveyer belt according to the size of polypropylene rod
Both sides are installed by anti-slip through the net.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the polypropene composition composition that the present invention is utilized is reasonable, compatibility is good between each component, thus prepares
Polypropylene rod, with good inoxidizability, fire resistance, especially with excellent mechanical property, heat resistance, meets poly-
The development and application of propylene rod.
2. the invention discloses a kind of new polypropylene rod equipment for after-treatment, using flowing Hot-blast Heating so that polypropylene
Rod ambient heat is uniform, it is ensured that polypropylene rod is heated evenly in heat treatment, increases the stability of product；Utilize
Three independent devices so that heating, cooling procedure it is separated, be conducive to adjusting and stablize polypropylene rod each temperature section when
Between, the reasonability for heating, cooling is added in last handling process, is conducive to the raising of properties of product.
3. in preparation method disclosed by the invention, heat treatment temperature is low, no more than 100 DEG C, less than the temperature of prior art,
The polypropylene rod of preparation has excellent mechanical property, achieves unexpected effect；And prior art is avoided to poly-
Propylene rod impact property, the destruction of storage modulu.
4. raw material wide material sources in preparation method disclosed by the invention, preparation process is simply controllable, equipment for after-treatment is only needed
Routine operation, and bar shaping, cutting, the continuous production of post processing are realized first, it is easy to industrialization.
Brief description of the drawings
Fig. 1 is the structural representation of equipment for after-treatment in embodiment；
Wherein：1, heater, 11, conveyer belt, 12, cored slab, 13, hair-dryer, 14, temperature measuring device, 15, air hose
Road, 16, heating rod, 17, hot air duct, 18, gas hole, 2, cooling buffer unit, 21, solid heating plate, 22, conveyer belt, 3,
Cooling device, 31, conveyer belt, 32, cored slab, 33, hair-dryer, 34, air duct, 35, pipeline, 36, gas hole.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, comparative example the invention will be further described：
Embodiment one：The synthesis of thiocyanogen -1- (2- aminophenyls) ethyl ketone
Using 2- aminophenyl acetic acids, potassium rhodanide as raw material, CuPc is catalyst, and its reaction is as follows：
(1) 5 grams of 2- aminophenyl acetic acids, 1.02 grams of potassium rhodanide, CuPc 0.01g and 4 milliliters of first are added in the reactor
Benzene, under a nitrogen atmosphere 55 DEG C of reactions；
(2) TLC tracking reaction is until be fully completed；
(3) the crude by column chromatography separation that reaction is obtained after terminating (petroleum ether: ethyl acetate=10: 1), obtains target
Product thiocyanogen -1- (2- aminophenyls) ethyl ketone.
Embodiment two：The preparation of fire-retardant filler
Prepared by the following manner：
In the ethanol solution that expansible graphite is added to 0.08M tetraphenyl phosphonium bromides, make mole of phosphorus and expansible graphite
Than loading container sealing for 0.05: 1, after stirring and being sufficiently mixed, compactedness is 70%, and sealing container is heated into 4h in 100 DEG C,
Naturally cool to room temperature, after products therefrom is freeze-dried, in Muffle furnace under nitrogen atmosphere 800 DEG C sinter 110min,
Obtain solid；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow adds the mixing of glycol divinyl ether and acetone
Form reaction solution in liquid, suction filtration reaction solution after backflow 30 minutes is fire-retardant filler after obtained filtration cakes torrefaction；Under the sieve
The mass ratio of thing, glycol divinyl ether and acetone is 100: 50: 130.
Embodiment three：The preparation of auxiliary packing
Prepared by the following manner：
After silica, aluminum phosphate, carclazyte are well mixed for 100: 50: 8 in mass ratio, at 800 DEG C in Muffle furnace
4h is sintered, solid is obtained；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow is auxiliary packing.
Example IV：The preparation of polypropene composition
It is 3000~4000 polypropylene, thiocyanogen -1- (2- aminophenyls) ethyl ketone, fire-retardant filler, auxiliary by molecular weight
After filler, melt index conditioning agent YP803 are in mass ratio for 100: 5: 8: 15: 0.1 ratio premix, double screw extruder is added
In, water cooling granulation obtains polypropene composition A；Extruder temperature is 185~205 DEG C.
It is 3000~4000 polypropylene, thiocyanogen -1- (2- aminophenyls) ethyl ketone, fire-retardant filler, auxiliary by molecular weight
After filler, melt index conditioning agent MY-369 are in mass ratio for 100: 7: 10: 20: 0.2 ratio premix, twin-screw extrusion is added
In machine, water cooling granulation obtains polypropene composition B；Extruder temperature is 185~205 DEG C.
Embodiment five：The preparation of polypropylene rod
Polypropene composition is added in plastic rod extruder, then obtains straight through melting, sizing, cutting, post processing
Footpath is 2 centimetres, a length of 15~20 centimetres of polypropylene rod.Specific technique is with reference to table 1.
The polypropylene rod production process of table 1
Referring to accompanying drawing 1, the equipment for after-treatment of above-mentioned post processing is filled by heater 1, cooling buffer unit 2 and cooling
Put 3 three independent devices and be arranged in order composition；The heater 1 include conveyer belt 11,2 pieces of cored slabs 12, hair-dryer 13,
Temperature measuring device 14；Hair-dryer air outlet is connected by air duct 15 with cored slab；The air duct adds provided with two
Hot pin 16；2 pieces of cored slabs are located at conveyer belt both sides, between connected by hot air duct 17；The temperature measuring device is arranged on heat
On wind pipeline；The side that the cored slab is located at conveyer belt is provided with gas hole 18；The cooling buffer unit 2 includes solid heating
Plate 21, conveyer belt 22；The cooling device 3 includes conveyer belt 31,2 pieces of cored slabs 32, hair-dryers 33；Hair-dryer air outlet passes through
Air duct 34 is connected with cored slab；2 pieces of cored slabs are located at conveyer belt both sides, between connected by pipeline 35；The cored slab
Gas hole 36 is provided with positioned at the side of conveyer belt.The diameter of above-mentioned gas hole is respectively 2cm, 3cm.
The diameter of above-mentioned gas hole is respectively 2cm, 3cm.
Comparative example 1
Using molecular weight be 3000~4000 virgin pp as raw material, according to the production technology of polypropylene rod -1, be prepared into
To polypropylene rod -5.
Comparative example 2
Using polypropene composition A as raw material, in addition to post processing, remaining is prepared according to the production technology of polypropylene rod -1
Obtain polypropylene rod -6；Post-process as the polypropylene rod after cutting is put into frame, insert in baking oven, 100 DEG C of processing 40min,
Then natural cooling.
Embodiment six：Performance test
Heat distortion temperature is tested using card thermal deformation instrument is tieed up；It is strong using electronic universal tester test tensile strength and bending
Degree；Impact strength is tested using liquid crystal type balance weight impact testing machine；Oxygen index (OI) is determined using oxygen index (OI) tester；Using dynamic force
Learn tester test storage modulu.
The performance test results of above-mentioned polypropylene rod are shown in Table 2.
The performance of the polypropylene rod of table 2
To sum up, the polypropene composition composition that the present invention is utilized is reasonable, and compatibility is good between each component, is thus prepared into
Polypropylene rod has been arrived, with good inoxidizability, fire resistance, especially with excellent mechanical property, heat resistance, has been met
The development and application of polypropylene rod；And bar shaping, cutting, the continuous production of post processing are realized first, it is easy to industrialization.
Claims (3)
1. a kind of polypropylene rod, it is characterised in that：Cut by polypropene composition by extrusion equipment extrusion molding, cutting equipment
Cut, equipment for after-treatment is made after post-processing；Polypropylene, sulphur cyanogen of the polypropene composition by molecular weight for 3000~4000
Base -1- (2- aminophenyls) ethyl ketone, fire-retardant filler, auxiliary packing, melt index conditioning agent are 100 in mass ratio: (5~7): (8
~10): (15~20): (0.1~0.2) melting mixing is made；
The fire-retardant filler is prepared by the following manner：
In the ethanol solution that expansible graphite is added to 0.08M tetraphenyl phosphonium bromides, the mol ratio for making phosphorus and expansible graphite is
0.05~0.06: 1, container sealing is loaded after stirring and being sufficiently mixed, compactedness is 65~70%, by sealing container in 93~
100 DEG C heating 3.4~4h, naturally cool to room temperature, after products therefrom is freeze-dried, in Muffle furnace under nitrogen atmosphere
780~800 DEG C of 1.6~2h of sintering, obtain solid；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow adds ethene
Reaction solution is formed in the mixed liquor of ethyl glycol ether and acetone, suction filtration reaction solution after flowing back 28~35 minutes, obtained filter cake is done
It is fire-retardant filler after dry；The mass ratio of the screenings, glycol divinyl ether and acetone is 100: (50~55): (120~
140)；
The auxiliary packing is prepared by the following manner：
It is 100 in mass ratio by silica, aluminum phosphate, carclazyte: (50~55): after (8~10) are well mixed, in Muffle furnace
3~4h is sintered at 800~850 DEG C, solid is obtained；Then 150 mesh sieves are crossed after the solid is crushed, extracting screen underflow is auxiliary
Filler；
The post processing includes heating, cools down buffered and cooling treatment；The heat treatment temperature is 90 DEG C, cold
But buffered temperature is 55 DEG C, and cooling treatment temperature is room temperature；
The equipment for after-treatment is arranged in order group by heater, cooling three independent devices of buffer unit and cooling device
Into；The heater includes conveyer belt, 2 pieces of cored slabs, hair-dryer, temperature measuring devices；Hair-dryer air outlet passes through air hose
Road is connected with 1 piece of cored slab；The air duct is provided with two heating rods；2 pieces of cored slabs are located at conveyer belt both sides, Zhi Jiantong
Cross hot air duct connection；The temperature measuring device is arranged on hot air duct；The side that the cored slab is located at conveyer belt is provided with
Gas hole；The cooling buffer unit includes solid heating plate, conveyer belt；The cooling device include conveyer belt, 2 pieces it is hollow
Plate, hair-dryer；Hair-dryer air outlet is connected by air duct with 1 piece of cored slab；2 pieces of cored slabs are located at conveyer belt both sides, it
Between pass through pipeline communication；The side that the cored slab is located at conveyer belt is provided with gas hole.
2. a kind of equipment for after-treatment, it is characterised in that：The equipment for after-treatment is by heater, cooling buffer unit and cooling
Three independent devices of device are arranged in order composition；The heater includes conveyer belt, 2 pieces of cored slabs, hair-dryer, temperature and surveyed
Try instrument；Hair-dryer air outlet is connected by air duct with 1 piece of cored slab；The air duct is provided with two heating rods；2 pieces
Cored slab be located at conveyer belt both sides, between connected by hot air duct；The temperature measuring device is arranged on hot air duct；It is described
The side that cored slab is located at conveyer belt is provided with gas hole；The cooling buffer unit includes solid heating plate, conveyer belt；It is described cold
But device includes conveyer belt, 2 pieces of cored slabs, hair-dryers；Hair-dryer air outlet is connected by air duct with 1 piece of cored slab；2 pieces
Cored slab be located at conveyer belt both sides, between pass through pipeline communication；The side that the cored slab is located at conveyer belt is provided with gas hole.
3. equipment for after-treatment according to claim 2, it is characterised in that：A diameter of 2cm~3cm of the gas hole.
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| CN201410625214.8A CN105566749B (en) | 2014-11-07 | 2014-11-07 | The preparation method of polypropylene rod and the equipment for after-treatment for this method |
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| CN109317257B (en) * | 2018-10-17 | 2020-08-18 | 湖北晶標建筑工程有限公司 | Building material sorting process |
| CN110789065A (en) * | 2019-11-11 | 2020-02-14 | 湖南工业大学 | Polylactic acid product out-of-mold crystallization device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246917A (en) * | 1979-11-26 | 1981-01-27 | Cafarelli Ralph J | High-speed stabilization of molded parts |
| CN203344291U (en) * | 2013-03-20 | 2013-12-18 | 赵品华 | Plastic profile extrusion production line |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246917A (en) * | 1979-11-26 | 1981-01-27 | Cafarelli Ralph J | High-speed stabilization of molded parts |
| CN203344291U (en) * | 2013-03-20 | 2013-12-18 | 赵品华 | Plastic profile extrusion production line |
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