A kind of packing box for cakes
Technical field
The present invention relates to a kind of food containers, a kind of packing box for cakes.
Background technology
Along with level of consumption and leisure demand increase, people more and more buy dessert cake at daily life and carry out
Edible.For large-scale cake, it is essentially all one pallet of employing and then closes the lid from top and pack;Or will dress
The pallet having cake is additionally mounted in a rectangular box, and rectangular box is shut from side.The box-shaped structure of these modes is complicated, takies
Space is relatively big, and cake box is difficult to transport and deposits, and the processing cost of cake box is the highest, and manufacturing process is more complicated.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that one is simple to manufacture conveniently, and cost is relatively low, it is simple to fortune
Packing box for cakes that is defeated and that deposit.
The present invention is by the following technical solutions: a kind of packing box for cakes, including base plate, side plate group and top cover, the side of papery
Plate group includes being arranged at the side substrate of base plate both sides, being arranged at the prebasal plate of pan front and be arranged at the rear base of bottom rear
The both sides of plate, prebasal plate and metacoxal plate are provided with the first pasting boards, glue with side, outside substrate after the first pasting boards fold inward
Being sticked to put makes side plate group surround sidewall;Top cover includes upper cover plate, the side cover plate being arranged at upper cover plate both sides and is arranged at upper cover plate
Anterior front shroud;The both sides of front shroud are provided with the second pasting boards, glue with outside front shroud after the second pasting boards fold inward
Being sticked to put makes side cover plate and front shroud surround three sidewalls, and the rear portion of upper cover plate connects metacoxal plate, top cover entirety stir cover or
Open base plate and space that side plate group surrounds.
Improving as one, it is first folding line of 45 degree that side substrate is provided with some opposed bottom, the position of the first folding line
Put quantity corresponding with the first pasting boards, side substrate is pasted near prebasal plate or the first folding line one side of metacoxal plate and first
Plate is pasted mutually, and on the substrate of side, another side and first pasting boards of the first folding line are separated, and side substrate can be inside along the first folding line
Turnover is to being close to base plate, and prebasal plate and metacoxal plate are driven simultaneously and turn down to being close to, and the first pasting boards is separated with side substrate and locates
Outwards turnover is to prebasal plate or metacoxal plate;Being provided with some relative upper cover plates on side cover plate is second folding line of 45 degree, the second folding
The number of positions of trace is corresponding with the second pasting boards, near the second folding line one side and second pasting boards of front shroud on side cover plate
Pasting mutually, on side cover plate, another side and second pasting boards of the second folding line are separated, and side cover plate can be along the second folding line to varus
Folding is to being close to upper cover plate, and front shroud is driven turnover to being close to upper cover plate simultaneously, the second pasting boards and side cover plate be separated place to
Outer turnover is to front shroud.
Improve as one, the width relative with being less than or equal to base plate of side, both sides substrate height, prebasal plate and metacoxal plate
The length relative with being less than or equal to base plate of height.
Improve as one, the width relative with being less than or equal to upper cover plate of both sides side cover plate height.
Improving as one, the first pasting boards has the first circular arc with the remote edge at the substrate place of being separated, side;Second glues
Pasting board has the second circular arc with the remote edge at the side cover plate place of being separated.
Improving as one, base plate and upper cover plate are square, and the height of side plate group is the half of the base plate length of side, side cover plate
The half that height is the upper cover plate length of side with front shroud.
Improve as one, upper cover plate offers form, form is provided with one layer of antibacterial hyaline membrane.
Described antibacterial hyaline membrane includes that following masses part forms:
P-phthalic acid: 1000 parts;
Ethylene glycol: 600 parts;
Maleic anhydride: 50 parts
2-nitroterephthalic acid-4-methyl ester: 10 parts
2,2-dimethyl-1,3-propanediol: 10 parts;
2,3-dibromo-2-butene-1,4-glycols: 5 parts;
Isosorbide-5-Nitrae-benzene dimethanol: 8 parts;
2-amino p-phthalic acid: 15 parts;
Tetrabromo terephthalic acids: 5 parts;
Double (2-ethylhexyl) terephthalic acids: 8 parts;
4-bromo phthalic anhydride: 5 parts;
2,2-bis-fluoro-1, cyclopentadienyl disliked by 3-benzo two: 3 parts;
Magnesium fluosilicate: 5 parts;
Antibacterial 5 parts.
The preparation method of antibacterial hyaline membrane,
Step one: p-phthalic acid 400 parts, ethylene glycol 400 parts are joined in reactor, is warming up to 40 DEG C and prepares
Mixing;
Step 2: be warming up to 200~220 degrees Celsius and carry out esterification, after reacting 30~50 minutes, adds Ti/Si system
Catalyst 0.01~0.5 part, continue reaction 10~30 minutes;
Step 3: addition p-phthalic acid 200 parts, maleic anhydride 50 parts, 2-nitroterephthalic acid-4-methyl ester 10 parts,
It is cooled to 180~200 DEG C, reacts 20~40 minutes;
Step 4: add p-phthalic acid 100 parts, 2,2-dimethyl-1,3-propanediol 10 parts, 2, the bromo-2-butylene of 3-bis--
Isosorbide-5-Nitrae-glycol 5 parts, temperature is maintained at 180~200 DEG C, addition Ti/Si series catalysts 0.01~0.5 part, reacts 20~30 minutes;
Step 5: add p-phthalic acid 200 parts, ethylene glycol 100 parts, Isosorbide-5-Nitrae-benzene dimethanol 8 parts, 2-amino terephthaldehyde
Acid 15 parts, is warming up to 200~250 DEG C, reacts 10~30 minutes, obtain major ingredient standby;
Step 6: the preparation of adjuvant, sets up another a reactor, adds phthalic acid 100 parts, ethylene glycol 100 parts, tetrabromo to benzene
Diacid 5 parts, double (2-ethylhexyl) terephthalic acids 8 parts, 4-bromo phthalic anhydride 5 parts;Temperature is maintained at 180~200 DEG C, adds Ti/
Si series catalysts 0.01~0.5 part, react that within 30~60 minutes, to obtain adjuvant standby;Step 7: adjuvant is slowly added into major ingredient
Reactor in, be stirred while addition, temperature is maintained at 40~50 degrees Celsius, is to slowly warm up to 180 after addition
~200 DEG C, insulated and stirred 20~40 minutes;
Step 8, is warming up to 250~280 DEG C, reacts 30~60 minutes under 200~300Pa vacuum conditions;
Step 9: add after completing reaction adjacent bromo terephthalic acid's dimethyl ester 10 parts, 2,2-bis-fluoro-1, cyclopentadienyl disliked by 3-benzo two
3 parts, magnesium fluosilicate 5 parts, antibacterial 5 parts, temperature controls at 100~120 DEG C, after being stirred 30~40 minutes, continue stirring,
Carry out pelletize after being naturally cooling to 50~60 DEG C and obtain plastic pellet;
Step 10: carry out being manufactured into thin film by casting machine by plastic pellet.
As a further improvement on the present invention: described antibacterial is prepared according to following method:
In step A:10g nano silicon, add the parachlorobenzoyl chloride of 2ml, the 4-bromobutanoylchloride of 1ml, 1ml trichlorine
Changing phosphorus, under the conditions of 20~30 DEG C, stirring reaction 10~15 hours, carry out activation to nano silicon;
Step B: after having reacted be centrifuged mixture, uses chloroform, ethylene glycol, acetone to carry out clearly successively
Wash, be dried, obtain activating nano silicon;
Step C: add 7g polymine, 2g bis-(trimethyl is silica-based) phosphinylidyne two Asia in activation nano silicon
Amine, 1g polycarbodiimide, add 0.1gKOH, stirs 15~20 hours under conditions of 85 DEG C;
Step D: react through centrifugal after terminating, and fully wash with methanol, be dried;
Step E: the nano grade silica particles after air-drying is encased in the isobutanol of 20ml, adds the 1 of 2ml afterwards,
2-Bromofume, the bromohexane of 6ml, 0.1g bromoacetyl bromide, the 1-bromo-3-methybutane of 1ml, then stir under the conditions of 70~80 DEG C
15~25 hours;
Step F: cool to 30~45 DEG C after having reacted, then it is added thereto to 5ml potassium iodide, stir 8~12 hours, warp
Cross centrifugal, fully wash with methanol, be then dried to obtain antibacterial.
As a further improvement on the present invention: in described step 5, p-phthalic acid 50 parts, afterwards addition second two it are initially charged
Alcohol 100 parts, remaining 150 parts of p-phthalic acids are divided into three parts, add 50 parts of p-phthalic acids every 10 minutes, are eventually adding 2,
2-dimethyl-1,3-propylene glycol 10 parts.
In described step one, before adding raw material, first addition 2 in reaction vessel, 6-di-tert-butyl-4-methy phenol,
Add 200 parts of ethylene glycol, stir 5~15 minutes, add remaining 600 parts of ethylene glycol and 400 parts of p-phthalic acids, be warming up to
40 DEG C carry out ready-mixed.
When described step 2, step 4, step 6 add Ti/Si series catalysts, first by Ti/Si series catalysts 50ml
Ethylene glycol dilutes, in joining reaction vessel.
The present invention, in preparing PET Process, first using p-phthalic acid and ethylene glycol as base material, is simultaneously introduced other
Component, with adjust chain intersegmental on group, adjuvant and base material are separated preparation simultaneously, with substantial amounts of functional group in adjuvant,
Also be with p-phthalic acid and ethylene glycol as matrix, so can in later stage mixing and polyreaction, dispersion can more preferably,
Reach preferably effect.Meanwhile, the one-time reaction impact on functional group is also eliminated so that the polyester obtained more performance
More stable.
In step one, first most p-phthalic acid, ethylene glycol are joined in reaction vessel, first carry out one
Individual pre-mixing process, is warming up to 40 DEG C simultaneously, it is possible to makes its premixing more uniform, promotes intermolecular free motion.Energy
Enough effectively prevent from adding suddenly the phenomenon that an excess amount of reaction raw materials can occur excessively to be polymerized.In step 2 afterwards, start to rise
Temperature is to 200~220 degrees Celsius and adds Ti/Si series catalysts, starts pet reaction, ethylene glycol in whole reaction system
Amount is far longer than p-phthalic acid, and on the one hand ethylene glycol is solvent, it is possible to reduces and plays a diluting effect, to benzene
Dioctyl phthalate can slowly and ethylene glycol generation pet reaction.
Owing to, in above-mentioned steps, ethylene glycol is excessive, therefore step 3 fills into part p-phthalic acid, anti-to ensure
Answer speed.And the maleic anhydride added can increase the flexibility of overall segment, the length of Molecular regulator chain, it is possible to ensure segment
There is preferable hot strength, while the addition of 2-nitroterephthalic acid-4-methyl ester can consume part ethylene glycol simultaneously, energy
Enough introducing amino and nitros in whole system, it is possible to strengthen the weatherability of whole system, the most also with phenyl group, it is possible to and
Whole system similar compatibility, improve the overall compatibility, therefore, it is possible to bring preferable uniformity, it is to avoid carrying of Local Property
Rise.
Step 4 continues fill into addition p-phthalic acid, be simultaneously introduced 2,2-dimethyl-1,3-propanediol and 2,3-bis-
Bromo-2-butylene-Isosorbide-5-Nitrae-glycol, by adding 2,2-dimethyl-1,3-propanediol, Molecular regulator chain so that molecular weight product is more
Adding uniformly, the light transmittance of product also is able to be guaranteed simultaneously.2,3-dibromo-2-butene-1,4-glycols can participate in reaction, will
Bromine substituent is incorporated into and connects in section, it is possible to increase overall fire resistance.
While step 5 fills into part p-phthalic acid, also adding ethylene glycol, in reaction before, ethylene glycol is own through quilt
Consume is similar, fills into ethylene glycol and ensure that reaction rate will not be lowered.Isosorbide-5-Nitrae-benzene dimethanol of adding afterwards, 2-
Amino p-phthalic acid, the addition of Isosorbide-5-Nitrae-benzene dimethanol enhances the intensity of entirety, due to the side chain of 2-amino p-phthalic acid
It is easy to be activated, therefore reduces temperature while can carrying out normal pet reaction, additionally it is possible to avoid sending out of side reaction
Raw.
Step 6 is then the preparation process of adjuvant, is still that with p-phthalic acid and ethylene glycol as carrier, adds tetrabromo pair
Phthalic acid, double (2-ethylhexyl) terephthalic acids, 4-bromo phthalic anhydride;And tetrabromo terephthalic acids and the addition of 4-bromo phthalic anhydride, main
Connect in section if bromine substituent is incorporated into, it is ensured that the anti-flammability of its entirety, the addition of double (2-ethylhexyl) terephthalic acids
It is too near that the polymerization site making tetrabromo terephthalic acids and 4-bromo phthalic anhydride will not lean on, in intermolecular interaction under conditions of introduce
Side-chain radical, it is ensured that the uniformity of overall flame performance and stability.
Afterwards the adjuvant in step 6 is slowly added in major ingredient mixing, carries out pressurization after closing very much and polyreaction occurs,
Obtain the uniform polyester of physical property.
After polyreaction, whole system basic forming, the bromo terephthalic acid's dimethyl ester added afterwards, 2,2-
Two fluoro-1, cyclopentadienyl disliked by 3-benzo two, magnesium fluosilicate, antibacterial belong to modifying agent, and bromo terephthalic acid's dimethyl ester can be with reaction
The polymer generated reacts, and improves overall fire resistance, 2,2-bis-fluoro-1,3-benzo two dislike cyclopentadienyl itself can goods whole
The intensity of body, simultaneously close with polyethylene terephthalate in itself structure, therefore there is the preferable compatibility, it is possible to
It is evenly distributed between strand, further strengthens the anti-flammability of entirety.The addition of magnesium fluosilicate enables to improve and gathers
The intensity of ester, also is able to play the effect of a stabilizer simultaneously so that no matter polyester can during processing or use
Embody certain stability.The addition of antibacterial can improve the anti-microbial property of its entirety.
In catalyst adition process, diluted, it is possible to prevent local concentration excessive and cause the phenomenon locally reunited.
2 added before the reaction, 6-di-tert-butyl-4-methy phenol is a kind of general antioxidant, with ethylene glycol together
Add container, on the one hand reaction vessel is had a cleaning action, on the other hand also is able to prevent polyester quilt in course of reaction
Oxidation.
On antibacterial, selecting quaternary antibacterial, its quaternary ammonium salt meets on nano silicon.
In the preparation process of antibacterial, nano silicon can be at chlorobenzoyl chloride, 4-bromobutanoylchloride, Phosphorous chloride.
Under the conditions of be activated further, the particularly addition of Phosphorous chloride., it is possible to increase the activity function of nano silicon, make simultaneously
The antibacterial that must finally give has preferably weatherability, i.e. also is able to play preferable antibacterial effect during long-time use
Really.
Afterwards it is carried out, chloroform parachlorobenzoyl chloride, Phosphorous chloride. dissolubility preferable, it is possible to taken
Going out, ethylene glycol then can take out the chloroform of residual, finally cleans with acetone, it is possible to thoroughly takes out residuals.
By active nano silicon dioxide and polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide
Reaction, is fixed on nano-silica by the group on polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide
In SiClx.It is eventually adding glycol dibromide, bromohexane, bromoacetyl bromide, 1-bromo-3-methybutane and is fixed on active nano two
The group of silicon oxide reacts, and obtains quaternary ammonium salt antiseptic, and quaternary ammonium salt antiseptic has had been fastened to nanometer titanium dioxide
On the carrier of silicon.Such antibacterial is not susceptible to run off, and makes antibacterial effect the most steady on the carrier of nano silicon
Fixed.Wherein reaction is main in polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide and 1,2-dibromo second
Reacting between alkane, bromohexane, bromoacetyl bromide, 1-bromo-3-methybutane, the quaternary ammonium salt that reaction generates has stiff stability,
The addition of particularly two (trimethyl is silica-based) phosphinylidyne diimine, it is possible to make the adhesion with silicon dioxide more preferable, be difficult to from receiving
Coming off on rice silicon dioxide, the addition of bromoacetyl bromide simultaneously also improves the activity of antibacterial.
Therefore, thermoplastic polyester material prepared by the present invention, while there is preferable anti-flammability, antibiotic property, high intensity,
In time after long-time use, still there is preferable anti-flammability, antibiotic property, high intensity.
The invention have the advantages that this packing box for cakes uses the papery platy structure of one, including base plate, side plate group
Each several part can be directly cut into by the cardboard of a sheet of planar, then by the matching relationship between each several part interior with top cover
Turnover forms a cubical packing box for cakes;The structure of one on the one hand can be such as plane paper after processing each several part
Plate equally transports and deposits, and the space taken is less and is hardly damaged, and each several part turns down time to be used molding and can hold egg
Cake, on the one hand top cover is connected setting with base plate, side plate group one, decreases original released state lid and is easily difficult to from box disengaging
The defect of management keeping, top cover of the present invention stirs and covers or open packing box, easy to operate, it is simple to management, lid periphery sidewall
Assemble with side plate close can be good cover, thus preserve cake.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view one of packing box for cakes of the present invention.
Fig. 2 is the schematic perspective view two of packing box for cakes of the present invention.
Fig. 3 is the expansion floor map of packing box for cakes of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, 2, 3, for a kind of specific embodiment of packing box for cakes of the present invention.This embodiment includes the end of papery
Plate 1, side plate group 2 and top cover 3, side plate group 2 includes being arranged at the side substrate 21 of base plate 1 both sides, being arranged at the front base of base plate 1 front portion
Plate 22 and the metacoxal plate 23 being arranged at base plate 1 rear portion, the both sides of prebasal plate 22 and metacoxal plate 23 are provided with the first pasting boards 24,
Pasting to arrange with side, outside substrate 21 after first pasting boards 24 fold inward makes side plate group 2 surround sidewall;Top cover 3 includes upper cover plate
31, it is arranged at the side cover plate 32 of upper cover plate 31 both sides and is arranged at the front shroud 33 of upper cover plate 31 front portion;The both sides of front shroud 33
It is provided with the second pasting boards 34, pastes to arrange with outside front shroud 33 after the second pasting boards 34 fold inward and make side cover plate 32 and front
Cover plate 33 surrounds three sidewalls, and the rear portion of upper cover plate 31 connects metacoxal plate 23, and top cover 3 entirety is stirred and covered or open base plate 1 He
The space that side plate group 2 surrounds.The packing box for cakes manufacture of the present invention is more simpler than existing plain cake box, as it is shown on figure 3,
The packing box of papery can stamp out each parts up to specification during fabrication on one face, in flow process can with one-shot forming,
Simple more many than the structure that cassette cover separates.If selecting to transport with the form of individual plates, it is viscous that the later stage carries out turnover again
If pasting into cube, the form of individual plates own is easy to stack transport, and is not easy to damage packing box, and user is in use
Can quickly turn down molding, simple and practical.The structure that top cover 3 is directly connected with side plate group 2 makes packing box form complete one,
Being easy to management, lid is difficult to lose, and top cover 3 opens from side, it is simple to picking and placeing of cake, i.e. user are easy in operation can be light
Proficiency end packing box, another hands puts into after cake top cover 3 easily;The setting of pasting boards achieves the flexible of sidewall
Stickup shaping, after top cover 3 covers, cake is enclosed in the space of packing box by coordinate good with side plate group 2, dust, rainwater etc.
Material will not enter pollution cake in packing box, it is ensured that eater's is healthy.
As the detailed description of the invention of a kind of improvement, side substrate 21 is provided with some opposed bottom 1 in 45 degree first
Folding line 4, the number of positions of the first folding line 4 is corresponding with the first pasting boards 24, near prebasal plate 22 or metacoxal plate on side substrate 21
First folding line 4 one side of 23 and the first pasting boards 24 phase are pasted, and on side substrate 21, another side and first of the first folding line 4 glues
Pasting board 24 is separated, and side substrate 21 can be along the first folding line 4 fold inward to being close to base plate 1, and prebasal plate 22 and metacoxal plate 23 are simultaneously
Being driven and turn down to being close to, the first pasting boards 24 outwards turns down to prebasal plate 22 or metacoxal plate 23 with side substrate 21 place of being separated;
Being provided with the second folding line 5 that some relative upper cover plates 31 are in 45 degree on side cover plate 32, the number of positions of the second folding line 5 is glued with second
Pasting board 34 is corresponding, and on side cover plate 32, the second folding line 5 one side and the second pasting boards 34 phase near front shroud 33 are pasted, side cover
On plate 32, another side and second pasting boards 34 of the second folding line 5 are separated, and side cover plate 32 can along the second folding line 5 fold inward extremely
Being close to upper cover plate 31, front shroud 33 is driven simultaneously and turns down to being close to upper cover plate 31, and the second pasting boards 34 divides with side cover plate 32 phase
Outwards turn down to front shroud 33 from place.For reducing the parking space of molding packing box further and avoiding its fail in compression, arrange
First folding line 4 and the second folding line 5, as shown in Figure 1, 2, the position stamping reticule in figure is the first pasting boards 24 and side substrate
21, the paste position of the second pasting boards 34 and side cover plate 32, it has pasted the first folding line 4 and side of the second folding line 5, when
When side substrate 21 is inwardly pushed turnover by user, the part between two the first folding lines 4 is inwardly stirred, and the first folding line 4
Outer part can fold along the first folding line 4, and prebasal plate 22 and metacoxal plate 23 can be driven inwardly to stir simultaneously, and side plate group 2 is overall
Can stir to fold into and be close to base plate 1;And during the part that the first pasting boards 24 and side substrate 21 are pasted is stirred, first pastes
Plate 24 is not pasted part the most freely and is stirred with the state that the part pasted is maintained at a plane, last first pasting boards 24
Inner face can be attached on the inner face of prebasal plate 22 or metacoxal plate 23.Therefore, above structure achieves the folding of side plate group 2, it is possible to
It is folded on a face;And the second folding line 5 coordinates with the second pasting boards 34 and also achieves top cover 3 and fold on a face, logical
Molding packing box for cakes can be folded on a face by the folding crossing entirety, it is simple to deposits and transports, and reduces parking space
Simultaneously and be avoided that the damage of packing box, as long as reverse opening just can reduce packing box and uses in use.Use 45 degree
The first folding line 4 that angle is arranged and the second folding line 5 can make after folding up the four sides sidewall of side plate group 2 carefully and neatly done turn to the end
The position at plate 1 place, side cover plate 32 and front shroud 33 turn to the position at upper cover plate 31 place, it is simple to storage is deposited, and takes up room
Little, and open after folding be reduced into cube after can also keep the intensity that structure is certain, keep preferably depositing cake
Effect.
As the detailed description of the invention of a kind of improvement, the width relative with being less than or equal to base plate 1 of side, both sides substrate 21 height
The length relative with being less than or equal to base plate 1 of degree, prebasal plate 22 and metacoxal plate 23 height.The restriction of above physical dimension ensures side
Side, the both sides substrate 21 arranged about in plate group 2 and the prebasal plate 22 front and back arranged and metacoxal plate 23 will not weigh after folding
Folded, the thickness of packing box after less folding, it is simple to deposit, the most overlapping it also avoid the extruding each other that overlap brings more and damage
Bad.
As the detailed description of the invention of a kind of improvement, both sides side cover plate 32 height with relative less than or equal to upper cover plate 31
Width.Ibid, both sides side cover plate 32 will not be overlapping after folding, and thickness is deposited by less being easy to, it is to avoid overlapping bring mutual
Between extrusion damage.
As the detailed description of the invention of a kind of improvement, the remote edge tool at the first pasting boards 24 place separated with side substrate 21
There is the first circular arc 25;The remote edge that second pasting boards 34 is separated place with side cover plate 32 has the second circular arc 35.Such as Fig. 1,2 institutes
The first circular arc 25 and the second circular arc 35 shown, the first pasting boards 24 and the second pasting boards 34 when stirring with base plate 1 or upper cover plate
31 adjacent one sides can contact, easily because making the first pasting boards 24 and the second pasting boards with base plate 1 or upper cover plate 31 phase card when stirring
34 can not normally stir;After being provided with the first circular arc 25 and the second circular arc 35, during folding, the first pasting boards 24 and second glues
Pasting board 34 is no longer snapped into by base plate 1 or upper cover plate 31, it is ensured that the successful realization that overall turnover folds.
Being square as the detailed description of the invention of a kind of improvement, base plate 1 and upper cover plate 31, the height of side plate group 2 is the end
The half of plate 1 length of side, the height of side cover plate 32 and front shroud 33 is the half of upper cover plate 31 length of side.Use the knot of above standard
Structure, packing box entirety thickness after folding storage is uniform, and each several part the most well stacks, at large number of packing box heap
It is not easy to during putting or carrying deform because mutually extruding.
As the detailed description of the invention of a kind of improvement, upper cover plate 31 offers form, form is provided with one layer antibacterial
Hyaline membrane 6.
Antibacterial hyaline membrane embodiment:
Embodiment one:
A kind of thermoplastic polyester for thin film, forms including following masses part:
P-phthalic acid: 1000 parts;
Ethylene glycol: 600 parts;
Maleic anhydride: 50 parts
2-nitroterephthalic acid-4-methyl ester: 10 parts
2,2-dimethyl-1,3-propanediol: 10 parts;
2,3-dibromo-2-butene-1,4-glycols: 5 parts;
Isosorbide-5-Nitrae-benzene dimethanol: 8 parts;
2-amino p-phthalic acid: 15 parts;
Tetrabromo terephthalic acids: 5 parts;
Double (2-ethylhexyl) terephthalic acids: 8 parts;
4-bromo phthalic anhydride: 5 parts;
2,2-bis-fluoro-1, cyclopentadienyl disliked by 3-benzo two: 3 parts;
Magnesium fluosilicate: 5 parts;
Antibacterial 5 parts.
A kind of preparation method of the thermoplastic polyester for thin film,
Step one: p-phthalic acid 400 parts, ethylene glycol 400 parts are joined in reactor, is warming up to 40 DEG C and prepares
Mixing;
Step 2: be warming up to 200~220 degrees Celsius and carry out esterification, after reacting 30~50 minutes, adds Ti/Si system
Catalyst 0.01~0.5 part, continue reaction 10~30 minutes;
Step 3: addition p-phthalic acid 200 parts, maleic anhydride 50 parts, 2-nitroterephthalic acid-4-methyl ester 10 parts,
It is cooled to 180~200 DEG C, reacts 20~40 minutes;
Step 4: add p-phthalic acid 100 parts, 2,2-dimethyl-1,3-propanediol 10 parts, 2, the bromo-2-butylene of 3-bis--
Isosorbide-5-Nitrae-glycol 5 parts, temperature is maintained at 180~200 DEG C, addition Ti/Si series catalysts 0.01~0.5 part, reacts 20~30 minutes;
Step 5: add p-phthalic acid 200 parts, ethylene glycol 100 parts, Isosorbide-5-Nitrae-benzene dimethanol 8 parts, 2-amino terephthaldehyde
Acid 15 parts, is warming up to 200~250 DEG C, reacts 10~30 minutes, obtain major ingredient standby;
Step 6: the preparation of adjuvant, sets up another a reactor, adds phthalic acid 100 parts, ethylene glycol 100 parts, tetrabromo to benzene
Diacid 5 parts, double (2-ethylhexyl) terephthalic acids 8 parts, 4-bromo phthalic anhydride 5 parts;Temperature is maintained at 180~200 DEG C, adds Ti/
Si series catalysts 0.01~0.5 part, react that within 30~60 minutes, to obtain adjuvant standby;Step 7: adjuvant is slowly added into major ingredient
Reactor in, be stirred while addition, temperature is maintained at 40~50 degrees Celsius, is to slowly warm up to 180 after addition
~200 DEG C, insulated and stirred 20~40 minutes;
Step 8, is warming up to 250~280 DEG C, reacts 30~60 minutes under 200~300Pa vacuum conditions;
Step 9: add after completing reaction adjacent bromo terephthalic acid's dimethyl ester 10 parts, 2,2-bis-fluoro-1, cyclopentadienyl disliked by 3-benzo two
3 parts, magnesium fluosilicate 5 parts, antibacterial 5 parts, temperature controls at 100~120 DEG C, after being stirred 30~40 minutes, continue stirring,
Carry out pelletize after being naturally cooling to 50~60 DEG C and obtain plastic pellet;
Step 10: plastic pellet is filmed.
In described step 10, plastic pellet is manufactured into thin film by casting machine.
Described antibacterial is prepared according to following method:
In step A:10g nano silicon, add the parachlorobenzoyl chloride of 2ml, the 4-bromobutanoylchloride of 1ml, 1ml trichlorine
Changing phosphorus, under the conditions of 20~30 DEG C, stirring reaction 10~15 hours, carry out activation to nano silicon;
Step B: after having reacted be centrifuged mixture, uses chloroform, ethylene glycol, acetone to carry out clearly successively
Wash, be dried, obtain activating nano silicon;
Step C: add 7g polymine, 2g bis-(trimethyl is silica-based) phosphinylidyne two Asia in activation nano silicon
Amine, 1g polycarbodiimide, add 0.1gKOH, stirs 15~20 hours under conditions of 85 DEG C;
Step D: react through centrifugal after terminating, and fully wash with methanol, be dried;
Step E: the nano grade silica particles after air-drying is encased in the isobutanol of 20ml, adds the 1 of 2ml afterwards,
2-Bromofume, the bromohexane of 6ml, 0.1g bromoacetyl bromide, the 1-bromo-3-methybutane of 1ml, then stir under the conditions of 70~80 DEG C
15~25 hours;
Step F: cool to 30~45 DEG C after having reacted, then it is added thereto to 5ml potassium iodide, stir 8~12 hours, warp
Cross centrifugal, fully wash with methanol, be then dried to obtain antibacterial.
In described step 5, be initially charged p-phthalic acid 50 parts, afterwards add ethylene glycol 100 parts, remaining 150 parts to benzene
Dioctyl phthalate is divided into three parts, added 50 parts of p-phthalic acids every 10 minutes, is eventually adding 2,2-dimethyl-1,3-propanediol 10
Part.
In described step one, before adding raw material, first addition 2 in reaction vessel, 6-di-tert-butyl-4-methy phenol,
Add 200 parts of ethylene glycol, stir 5~15 minutes, add remaining 600 parts of ethylene glycol and 400 parts of p-phthalic acids, be warming up to
40 DEG C carry out ready-mixed.
When described step 2, step 4, step 6 add Ti/Si series catalysts, first by Ti/Si series catalysts 50ml
Ethylene glycol dilutes, in joining reaction vessel.
Embodiment two:
Difference with embodiment one is that it is prepared antibacterial step and is:
In step A:10g nano silicon, add the 4-bromobutanoylchloride of 4ml, under the conditions of 20~30 DEG C, stir reaction 10
~15 hours, nano silicon is carried out activation;
Step B: after having reacted be centrifuged mixture, uses methanol to be carried out, is dried, obtains activation and receive
Rice silicon dioxide;
Step C: add 10g polymine in activation nano silicon, add 0.1gKOH, the condition of 85 DEG C
Lower stirring 15~20 hours;
Step D: react through centrifugal after terminating, and fully wash with methanol, be dried;
Step E: the nano grade silica particles after air-drying is encased in the isobutanol of 20ml, adds the bromine of 10ml afterwards
Hexane, 0.1g bromoacetyl bromide stir 15~25 hours under the conditions of 70~80 DEG C;
Step F: cool to 30~45 DEG C after having reacted, then it is added thereto to 5ml potassium iodide, stir 8~12 hours, warp
Cross centrifugal, fully wash with methanol, be then dried to obtain antibacterial.
Embodiment three
Compared with embodiment one, difference is the HM98 organosilicon of the Guangzhou Nuokang Chemical Co., Ltd. selecting city to buy
Antibacterial.
Comparative example one:
Use commercial E.I.Du Pont Company's clear PET film.
Comparative example two
Step one: p-phthalic acid 400 parts, ethylene glycol 400 parts are joined in reactor, is warming up to 40 DEG C and prepares
Mixing;
Step 2: be warming up to 200~220 degrees Celsius and carry out esterification, after reacting 30~50 minutes, adds Ti/Si system
Catalyst 0.01~0.5 part, continue reaction 10~30 minutes;
Step 3: add p-phthalic acid 200 parts, be cooled to 180~200 DEG C, react 20~40 minutes;
Step 4: adding p-phthalic acid 100 parts, temperature is maintained at 180~200 DEG C, adds Ti/Si series catalysts 0.01
~0.5 part, react 20~30 minutes;
Step 5: add p-phthalic acid 200 parts, ethylene glycol 100 parts, be warming up to 200~250 DEG C, react 10~30 points
Clock, obtains major ingredient standby;
Step 6: the preparation of adjuvant, sets up another a reactor, adds phthalic acid 100 parts, ethylene glycol 100 parts, adds Ti/
Si series catalysts 0.01~0.5 part, react that within 30~60 minutes, to obtain adjuvant standby;
Step 7: being slowly added in the reactor of major ingredient by adjuvant, be stirred while addition, temperature is maintained at 40
~50 degrees Celsius, it is to slowly warm up to 180~200 DEG C after addition, insulated and stirred 20~40 minutes;
Step 8, is warming up to 250~280 DEG C, reacts 30~60 minutes under 200~300Pa vacuum conditions;
Step 9: plastic pellet is filmed.
In described step 9, plastic pellet is manufactured into thin film by casting machine.
Antibacterial step is:
In step A:10g nano silicon, add the 4-bromobutanoylchloride of 4ml, under the conditions of 20~30 DEG C, stir reaction 10
~15 hours, nano silicon is carried out activation;
Step B: after having reacted be centrifuged mixture, uses methanol to be carried out, is dried, obtains activation and receive
Rice silicon dioxide;
Step C: add 10g polymine in activation nano silicon, add 0.1gKOH, the condition of 85 DEG C
Lower stirring 15~20 hours;
Step D: react through centrifugal after terminating, and fully wash with methanol, be dried;
Step E: the nano grade silica particles after air-drying is encased in the isobutanol of 20ml, adds the bromine of 10ml afterwards
Hexane, 0.1g bromoacetyl bromide stir 15~25 hours under the conditions of 70~80 DEG C;
Step F: cool to 30~45 DEG C after having reacted, then it is added thereto to 5ml potassium iodide, stir 8~12 hours, warp
Cross centrifugal, fully wash with methanol, be then dried to obtain antibacterial.
Comparative example three:
Difference with comparative example two is that the HM98 organosilicon of the Guangzhou Nuokang Chemical Co., Ltd. selecting city to buy resists
Microbial inoculum.
Test, is all prepared as casting films by above-mentioned material, and thickness is 200 μm, tests its hot strength, transparency, antibacterial
Property, fire resistance.And carry out above-mentioned test after irradiating test in 50,100,150,200 hours at hernia lamp.
Accurately weigh 0.1g sample, join in the triangular flask equipped with 99mL sterilized water, with ultrasonic wavelength-division 20min.Add
1mL concentration is 107CFU/mL bacteria suspension.Separately take a triangular flask equipped with 99mL sterilized water as blank, only add 1mL
Bacteria suspension.Above-mentioned triangular flask is placed in shaken cultivation case, in 37 DEG C, shaken cultivation 30min under the conditions of 200r/min.In triangular flask
Respectively take 0.2mL mixed liquor, suitably after dilution, be coated on culture dish, constant temperature culture 48~72h at 35 DEG C, carry out bacterium colony meter
Number.Above-mentioned two groups of samples respectively do 3 parallel laboratory tests, and antibiotic rate calculates as follows: R=[(A-B)/A] * 100%
R antibiotic rate,
The average colony number of A blank group;
B adds the average colony number of antimicrobial sample to be measured.
Staphylococcus aureus and escherichia coli are selected in the selection of strain.
Table one: without hernia lamp exposure experiment data
Table two: irradiate 50 hours test datas through hernia lamp
Table three: irradiate 100 hours test datas through hernia lamp
Table four: irradiate 150 hours test datas through hernia lamp
Table five: irradiate 100 hours test datas through hernia lamp
The present invention, in preparing PET Process, first using p-phthalic acid and ethylene glycol as base material, is simultaneously introduced other
Component, with adjust chain intersegmental on group, adjuvant and base material are separated preparation simultaneously, with substantial amounts of functional group in adjuvant,
Also be with p-phthalic acid and ethylene glycol as matrix, so can in later stage mixing and polyreaction, dispersion can more preferably,
Reach preferably effect.Meanwhile, the one-time reaction impact on functional group is also eliminated so that the polyester obtained more performance
More stable.
In step one, first most p-phthalic acid, ethylene glycol are joined in reaction vessel, first carry out one
Individual pre-mixing process, is warming up to 40 DEG C simultaneously, it is possible to makes its premixing more uniform, promotes intermolecular free motion.Energy
Enough effectively prevent from adding suddenly the phenomenon that an excess amount of reaction raw materials can occur excessively to be polymerized.In step 2 afterwards, start to rise
Temperature is to 200~220 degrees Celsius and adds Ti/Si series catalysts, starts pet reaction, ethylene glycol in whole reaction system
Amount is far longer than p-phthalic acid, and on the one hand ethylene glycol is solvent, it is possible to reduces and plays a diluting effect, to benzene
Dioctyl phthalate can slowly and ethylene glycol generation pet reaction.
Owing to, in above-mentioned steps, ethylene glycol is excessive, therefore step 3 fills into part p-phthalic acid, anti-to ensure
Answer speed.And the maleic anhydride added can increase the flexibility of overall segment, the length of Molecular regulator chain, it is possible to ensure segment
There is preferable hot strength, while the addition of 2-nitroterephthalic acid-4-methyl ester can consume part ethylene glycol simultaneously, energy
Enough introducing amino and nitros in whole system, it is possible to strengthen the weatherability of whole system, the most also with phenyl group, it is possible to and
Whole system similar compatibility, improve the overall compatibility, therefore, it is possible to bring preferable uniformity, it is to avoid carrying of Local Property
Rise.
Step 4 continues fill into addition p-phthalic acid, be simultaneously introduced 2,2-dimethyl-1,3-propanediol and 2,3-bis-
Bromo-2-butylene-Isosorbide-5-Nitrae-glycol, by adding 2,2-dimethyl-1,3-propanediol, Molecular regulator chain so that molecular weight product is more
Adding uniformly, the light transmittance of product also is able to be guaranteed simultaneously.2,3-dibromo-2-butene-1,4-glycols can participate in reaction, will
Bromine substituent is incorporated into and connects in section, it is possible to increase overall fire resistance.
While step 5 fills into part p-phthalic acid, also adding ethylene glycol, in reaction before, ethylene glycol is own through quilt
Consume is similar, fills into ethylene glycol and ensure that reaction rate will not be lowered.Isosorbide-5-Nitrae-benzene dimethanol of adding afterwards, 2-
Amino p-phthalic acid, the addition of Isosorbide-5-Nitrae-benzene dimethanol enhances the intensity of entirety, due to the side chain of 2-amino p-phthalic acid
It is easy to be activated, therefore reduces temperature while can carrying out normal pet reaction, additionally it is possible to avoid sending out of side reaction
Raw.
Step 6 is then the preparation process of adjuvant, is still that with p-phthalic acid and ethylene glycol as carrier, adds tetrabromo pair
Phthalic acid, double (2-ethylhexyl) terephthalic acids, 4-bromo phthalic anhydride;And tetrabromo terephthalic acids and the addition of 4-bromo phthalic anhydride, main
Connect in section if bromine substituent is incorporated into, it is ensured that the anti-flammability of its entirety, the addition of double (2-ethylhexyl) terephthalic acids
It is too near that the polymerization site making tetrabromo terephthalic acids and 4-bromo phthalic anhydride will not lean on, in intermolecular interaction under conditions of introduce
Side-chain radical, it is ensured that the uniformity of overall flame performance and stability.
Afterwards the adjuvant in step 6 is slowly added in major ingredient mixing, carries out pressurization after closing very much and polyreaction occurs,
Obtain the uniform polyester of physical property.
After polyreaction, whole system basic forming, the bromo terephthalic acid's dimethyl ester added afterwards, 2,2-
Two fluoro-1, cyclopentadienyl disliked by 3-benzo two, magnesium fluosilicate, antibacterial belong to modifying agent, and bromo terephthalic acid's dimethyl ester can be with reaction
The polymer generated reacts, and improves overall fire resistance, 2,2-bis-fluoro-1,3-benzo two dislike cyclopentadienyl itself can goods whole
The intensity of body, simultaneously close with polyethylene terephthalate in itself structure, therefore there is the preferable compatibility, it is possible to
It is evenly distributed between strand, further strengthens the anti-flammability of entirety.The addition of magnesium fluosilicate enables to improve and gathers
The intensity of ester, also is able to play the effect of a stabilizer simultaneously so that no matter polyester can during processing or use
Embody certain stability.The addition of antibacterial can improve the anti-microbial property of its entirety.
In catalyst adition process, diluted, it is possible to prevent local concentration excessive and cause the phenomenon locally reunited.
2 added before the reaction, 6-di-tert-butyl-4-methy phenol is a kind of general antioxidant, with ethylene glycol together
Add container, on the one hand reaction vessel is had a cleaning action, on the other hand also is able to prevent polyester quilt in course of reaction
Oxidation.
On antibacterial, selecting quaternary antibacterial, its quaternary ammonium salt meets on nano silicon.
In the preparation process of antibacterial, nano silicon can be at chlorobenzoyl chloride, 4-bromobutanoylchloride, Phosphorous chloride.
Under the conditions of be activated further, the particularly addition of Phosphorous chloride., it is possible to increase the activity function of nano silicon, make simultaneously
The antibacterial that must finally give has preferably weatherability, i.e. also is able to play preferable antibacterial effect during long-time use
Really.
Afterwards it is carried out, chloroform parachlorobenzoyl chloride, Phosphorous chloride. dissolubility preferable, it is possible to taken
Going out, ethylene glycol then can take out the chloroform of residual, finally cleans with acetone, it is possible to thoroughly takes out residuals.
By active nano silicon dioxide and polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide
Reaction, is fixed on nano-silica by the group on polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide
In SiClx.It is eventually adding glycol dibromide, bromohexane, bromoacetyl bromide, 1-bromo-3-methybutane and is fixed on active nano two
The group of silicon oxide reacts, and obtains quaternary ammonium salt antiseptic, and quaternary ammonium salt antiseptic has had been fastened to nanometer titanium dioxide
On the carrier of silicon.Such antibacterial is not susceptible to run off, and makes antibacterial effect the most steady on the carrier of nano silicon
Fixed.Wherein reaction is main in polymine, two (trimethyl is silica-based) phosphinylidyne diimine, polycarbodiimide and 1,2-dibromo second
Reacting between alkane, bromohexane, bromoacetyl bromide, 1-bromo-3-methybutane, the quaternary ammonium salt that reaction generates has stiff stability,
The addition of particularly two (trimethyl is silica-based) phosphinylidyne diimine, it is possible to make the adhesion with silicon dioxide more preferable, be difficult to from receiving
Coming off on rice silicon dioxide, the addition of bromoacetyl bromide simultaneously also improves the activity of antibacterial.
Therefore, thermoplastic polyester material prepared by the present invention, while there is preferable anti-flammability, antibiotic property, high intensity,
In time after long-time use, still there is preferable anti-flammability, antibiotic property, high intensity.The above is only the present invention
Preferred implementation, protection scope of the present invention is not limited merely to above-described embodiment, all technology belonged under thinking of the present invention
Scheme belongs to protection scope of the present invention.It should be pointed out that, for those skilled in the art, without departing from
Some improvements and modifications under principle of the invention premise, these improvements and modifications also should be regarded as protection scope of the present invention.