CN109824983A - Disposable polypropylene to-go box and preparation method thereof - Google Patents

Disposable polypropylene to-go box and preparation method thereof Download PDF

Info

Publication number
CN109824983A
CN109824983A CN201910190084.2A CN201910190084A CN109824983A CN 109824983 A CN109824983 A CN 109824983A CN 201910190084 A CN201910190084 A CN 201910190084A CN 109824983 A CN109824983 A CN 109824983A
Authority
CN
China
Prior art keywords
polypropylene
box
preparation
weight
acrylic resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910190084.2A
Other languages
Chinese (zh)
Inventor
刘泽鹏
刘敬忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quzhou Xinli Industry And Trade Co Ltd
Original Assignee
Quzhou Xinli Industry And Trade Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quzhou Xinli Industry And Trade Co Ltd filed Critical Quzhou Xinli Industry And Trade Co Ltd
Priority to CN201910190084.2A priority Critical patent/CN109824983A/en
Publication of CN109824983A publication Critical patent/CN109824983A/en
Pending legal-status Critical Current

Links

Abstract

The invention belongs to to-go box technical fields, and in particular to a kind of disposable polypropylene to-go box and preparation method thereof;The preparation method includes: that (1) acrylic resin is dried;(2) acrylic resin, composite master batch are added in high-speed kneading machine and are mixed to get mixed material;(3) mixed material is added in double screw extruder, tie rod, pelletizing after melt blending, obtains mixing pellet;(4) it is injected into molding die using plastic injection equipment by pellet is mixed, molding polypropylene to-go box is cooling, finishing, sizing, obtain the polypropylene to-go box after demoulding;The less material concentration of the occupancy volume in polypropylene to-go box is pre-mixed by the present invention by way of composite master batch, it is blended again with acrylic resin and obtains polypropylene to-go box for injection molding, improve the dispersion mixing of each component, ensure that disposable polypropylene to-go box has high intensity, toughness, being not susceptible to deformation leads to splashing for food.

Description

Disposable polypropylene to-go box and preparation method thereof
Technical field
The invention belongs to to-go box technical fields, and in particular to a kind of disposable polypropylene to-go box and preparation method thereof.
Background technique
The meaning of packing is sometimes referred as had a meal outside, and the food materials that do not eat up dining box-packed is taken away well;It is usual when packing Use businessman provide low-cost disposable lunch-box, will be dropped after being finished, from this level for, beat The use of packet box is simultaneously few;But with the development of network electric business, take-away is progressed into our daily life, especially It is for office worker, point takes out an important component for becoming the every workday, is located at especially for those For office worker on the office building of higher floor, downstairs fast food restaurant is gone to eat with its equal elevator of taking time, not as good as early Take-away is set in advance, is waited take-away personnel that meal meal is delivered goods to the customers and is come easily, therefore, to-go box is widely used in a variety of applications.
Currently, businessman is in order to reduce cost, the to-go box used is often low in cost, and the performances such as intensity are also very poor, In the delivery process of take-away, to-go box is easily deformed, and is easy to happen food and is splashed;Alternatively, businessman is in order to avoid food Object is splashed, and to the sealing part of to-go box by the way of coating preservative film, brings inconvenience to having dinner for consumer.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of preparation of disposable polypropylene to-go box is provided Method, the to-go box being prepared has intensity height, toughness strong, the advantages of being unlikely to deform.
To achieve the goals above, the present invention is achieved by the following scheme:
A kind of preparation method of disposable polypropylene to-go box, comprising the following steps:
(1) acrylic resin is dried;
(2) acrylic resin, the composite master batch after drying are added in high-speed kneading machine and are mixed to get mixed material;
(3) mixed material is added in double screw extruder, tie rod, pelletizing after melt blending, obtains mixing pellet;
(4) release agent is coated in molding die, is preheated to 50 ~ 60 DEG C, is injected into using plastic injection equipment by pellet is mixed In pattern tool, molding polypropylene to-go box is cooling, finishing, sizing, obtain the polypropylene to-go box after demoulding;
The composite master batch includes that the raw material of following parts by weight is prepared: 70 ~ 90 parts by weight of acrylic resin, nanometer two 0.5 ~ 1.2 parts by weight of titanium oxide, 2 ~ 5 parts by weight of glass fibre, 0.8 ~ 2 part of coupling agent, 0.5 ~ 1.5 weight of other auxiliary agents Part.
Preferably, in step (3), the barrel temperature of the double screw extruder is 175 ~ 185 DEG C, die head temperature is 190 ~ 200℃。
Preferably, in step (4), the barrel temperature of the plastic injection equipment is 245 ~ 250 DEG C, and equipment temperature is 25 ~ 30 DEG C, injection pressure is 15 ~ 20MPa.
Preferably, it is used to prepare in the raw material of the composite master batch, contains long chain branched polypropylene in the acrylic resin Resin, the long chain branched polypropylene resin account for 5 ~ 15wt% of the total dosage of the acrylic resin;And with the standard of ISO 1133, Under 230 DEG C, 2.16kg load, the melt mass flow rate of the long chain branched polypropylene resin is 1 ~ 10g/10min.
Preferably, the average grain diameter of the nano-titanium dioxide is 10 ~ 50nm.
Preferably, the diameter of the glass fibre is 20 ~ 40 μm, and length is 0.5 ~ 1.0mm.
Preferably, other auxiliary agents include fire retardant, nucleating agent, antioxidant, dispersing agent, antistatic agent, light stabilization One of agent, lubricant or more than one composition.
The present invention also provides a kind of disposable polypropylene to-go boxs being prepared using above-mentioned preparation method.
Compared with prior art, the present invention has following technical effect that disposable polypropylene to-go box provided by the invention Preparation method, by way of composite master batch by the occupancy volume in polypropylene to-go box it is less material concentration premix It closes, then carries out being blended being used for injection molding and obtain polypropylene to-go box with acrylic resin again, improve polypropylene to-go box The dispersion mixing of middle each component, it is ensured that the disposable polypropylene to-go box being prepared has high intensity, toughness, Being not susceptible to deformation leads to splashing for food.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is furture elucidated.
The present invention provides a kind of preparation methods of disposable polypropylene to-go box, comprising the following steps:
(1) acrylic resin is dried;
(2) acrylic resin, the composite master batch after drying are added in high-speed kneading machine and are mixed to get mixed material;
(3) mixed material is added in double screw extruder, tie rod, pelletizing after melt blending, obtains mixing pellet;
(4) release agent is coated in molding die, is preheated to 50 ~ 60 DEG C, is injected into using plastic injection equipment by pellet is mixed In pattern tool, molding polypropylene to-go box is cooling, finishing, sizing, obtain the polypropylene to-go box after demoulding;
The composite master batch includes that the raw material of following parts by weight is prepared: 70 ~ 90 parts by weight of acrylic resin, nanometer two 0.5 ~ 1.2 parts by weight of titanium oxide, 2 ~ 5 parts by weight of glass fibre, 0.8 ~ 2 part of coupling agent, 0.5 ~ 1.5 weight of other auxiliary agents Part.
According to the present invention, in the present invention, in step (3), the barrel temperature of the double screw extruder is 175 ~ 185 DEG C, Die head temperature is 190 ~ 200 DEG C.
According to the present invention, in the present invention, in step (4), the barrel temperature of the plastic injection equipment is 245 ~ 250 DEG C, machine Having temperature is 25 ~ 30 DEG C, and injection pressure is 15 ~ 20MPa.
In the present invention, the preparation method of the composite master batch the following steps are included:
(1) nano-titanium dioxide and glass fibre are added in reaction kettle, coupling agent is added, be stirred and it is warming up to 55 ~ 70 DEG C, after 10 ~ 20min of isothermal holding, cooling, filtering, drying obtain the nano-titanium dioxide through coupling agent surface activation process And glass fibre;
(2) acrylic resin, other auxiliary agents, nano-titanium dioxide and glass through coupling agent surface activation process are weighed by formula ratio Glass fiber is added to 3 ~ 5min of mixed processing in high-speed mixer, then by uniformly mixed material blanking to twin-screw extrusion In machine, through melting mixing, Melt Pump pressurization is squeezed out, and tie rod water cooling, pelletizing obtains the composite master batch.
By the way that nano-titanium dioxide and glass fibre by coupling agent modified processing and are filled in polypropylene as filler In resin, nano-titanium dioxide and glass fibre after modification have good merge with the acrylic resin Effect effectively can not only have good intensity and toughness by the injection-molded finished of acrylic resin, moreover it is possible to prevent incompatible group Divide the obscission being easy to produce after filling, it is ensured that reinforcing effect of the filler to acrylic resin finished product.
In the present invention, the nano-titanium dioxide being filled in acrylic resin can be swashed by the ultraviolet light in daylight or light It lives and generates the free radical with high catalytic activity, very strong photooxidation and reducing power can be generated, can be catalyzed, photodissociation is attached to The various harmful substances of body surface can be realized good antibacterial effect as the dosage of to-go box.Optimum condition Under, the average grain diameter of heretofore described nano-titanium dioxide is 10 ~ 50nm.
In the present invention, the glass fibre is filled in acrylic resin, in polyacrylic crystallization process, is provided mutually The carrier to interweave, it is ensured that the to-go box of injection molding intensity with higher and anti-deformation ability, to effectively raise The quality of to-go box avoids generating splashing for food during sending outside.Under optimum condition, heretofore described glass fibre Diameter be 20 ~ 40 μm, length be 0.5 ~ 1.0mm.
In the present invention, long chain branched polypropylene resin, the long chain branched polypropylene resin are contained in the acrylic resin Account for 5 ~ 15wt% of the total dosage of the acrylic resin;It is described under 230 DEG C, 2.16kg load and with the standard of ISO 1133 The melt mass flow rate of long chain branched polypropylene resin is 1 ~ 10g/10min.By the incorporation of the long chain branched polypropylene resin, The intensity that blend melt can not only be significantly improved makes the to-go box of injection molding intensity with higher and toughness, moreover it is possible to drop The manufacturing cost of low to-go box.
In the present invention, in order to improve the processing performance of acrylic resin, work in-process is also added into other auxiliary agents, described Other auxiliary agents include one of fire retardant, nucleating agent, antioxidant, dispersing agent, antistatic agent, light stabilizer, lubricant or one Kind or more composition.
Specifically, the fire retardant can be improved the flame retardant property of product, the present invention to the selection of specific fire retardant not Particular determination is done, can be well known to those skilled in the art, for example, the fire retardant is phosphorus flame retardant, specifically It selected from organic metal phosphinates based flame retardant, at room temperature for solid nitrogenous/phosphonium flame retardant and is at room temperature having for liquid One of machine phosphate ester flame retardants or combinations thereof.
In the present invention, the nucleating agent be diphenyl methylene sorbierite, two (to methyldiphenyl methylene) sorbierites or One of three (3,4- dimethyl diphenyl methylene) sorbierites.
In the present invention, antioxidant can be improved stability of the acrylic resin in melting extrusion process, described Antioxidant is the mixture of Hinered phenols and phosphite ester antioxidant.
In the present invention, the dispersing agent can be improved dispersibility of the filler in acrylic resin, the dispersion Agent is selected from least one of lignin fibre, oxidized polyethylene wax, glyceryl tristearate and calcium stearate.
In the present invention, the antistatic agent is selected from nitric acid 3- (stearoyl amino) propyl-dimethyl beta-hydroxyethyl ammonium, first Base sulfuric acid (3- lauramido) trimethyl ammonium, biphosphate stearoyl amino dimethyl beta-ethoxy salt, N- (3- alcoxyl Base -2- hydroxypropyl) monoethanolamine, C13-C16 alkyldiethanolamine, C14-C18 alkyldiethanolamine, octadecyl diethanol Compound, the polyoxyethylene dodecyl amine, laurel (dodecane) of amine, ethoxy alkylamine and the pure and mild silica of higher aliphatic One of or two or more mixing of base sodium sulfovinate and dilauryl sodium phosphate.
In the present invention, light stabilizer can be improved stability of the polypropylene articles in subsequent use process, the present invention couple The type of the light stabilizer does not do particular determination, can be those skilled in the art institute resin, for example, the light is stablized Agent is Hinered phenols light stabilizer.
In the present invention, the lubricant is selected from one of silicone, amides, polyethylene kind, stearic acid or several The mixture of kind.
In the present invention, the coupling agent is silane coupling agent.
In the preparation process of composite master batch, the operating condition of the double screw extruder include: engine speed be 250 ~ 350r/min;Each area's temperature are as follows: 170 ~ 180 DEG C of an area, 200 ~ 210 DEG C of 2nd area, 200 ~ 210 DEG C of 3rd area, 200 ~ 210 DEG C of 4th area, Five 200 ~ 210 DEG C of areas, 200 ~ 210 DEG C of 6th area, 200 ~ 210 DEG C of 7th area, 200 ~ 210 DEG C of 8th area, 220 ~ 230 DEG C of die head.
The polypropylene to-go box being prepared using the composite master batch has intensity high, and toughness is strong, and on-deformable excellent Point effectively prevents the problem of causing food to splash during polypropylene to-go box is sent outside, improves the reliability of take-away.
Disposable polypropylene to-go box provided by the invention and preparation method thereof is made below by way of specific embodiment Detailed description.
Embodiment 1
A kind of preparation method of the composite master batch for polypropylene to-go box, comprising the following steps:
(1) nano-titanium dioxide and glass fibre are added in reaction kettle, silane coupling agent is added, is stirred and is warming up to 60 DEG C, after isothermal holding 15min, cooling, filtering, drying obtain the nano-titanium dioxide through silane coupling agent surface activation process And glass fibre;The average grain diameter of the nano-titanium dioxide is 30nm;The diameter of the glass fibre is 30 μm, and length is 0.8mm;
(2) by formula ratio weigh acrylic resin, phosphorus flame retardant, nucleating agent diphenyl methylene sorbierite, antioxidant 1010, Irgasfos 168, dispersing agent lignin fibre, antistatic agent octadecyldiethanol amine, Hinered phenols light stabilizer, silicone Lubricant, nano-titanium dioxide and glass fibre through silane coupling agent surface activation process are added in high-speed mixer and mix Processing 5min is closed, then by uniformly mixed material blanking into double screw extruder, through melting mixing, Melt Pump pressurization is squeezed Out, tie rod water cooling, pelletizing obtain the composite master batch.
The operating condition of the double screw extruder includes: that engine speed is 300r/min;In the acrylic resin Containing long chain branched polypropylene resin, and the long chain branched polypropylene resin accounts for acrylic resin total amount 10wt%, with the mark of ISO 1133 Standard, under 230 DEG C, 2.16kg load, the melt mass flow rate of the long chain branched polypropylene resin is 8g/10min;Each area Temperature are as follows: 170 ~ 180 DEG C of an area, 200 ~ 210 DEG C of 2nd area, 200 ~ 210 DEG C of 3rd area, 200 ~ 210 DEG C of 4th area, 200 ~ 210 DEG C of 5th area, Six 200 ~ 210 DEG C of areas, 200 ~ 210 DEG C of 7th area, 200 ~ 210 DEG C of 8th area, 220 ~ 230 DEG C of die head.
The composite master batch includes that the raw material of following parts by weight is prepared: 80 parts by weight of acrylic resin, nano-silica Change 1 parts by weight of titanium, 3 parts by weight of glass fibre, 1.5 parts of silane coupling agent, 0.1 parts by weight of phosphorus flame retardant, nucleating agent two 0.1 parts by weight of benzylidene sorbierite, 0.2 parts by weight of antioxidant 1010,0.1 parts by weight of irgasfos 168, dispersing agent are wooden 0.1 parts by weight of cellulose fiber, 0.1 parts by weight of antistatic agent octadecyldiethanol amine, 0.05 weight of Hinered phenols light stabilizer Part, 0.05 parts by weight of silicone series lubricant agent.
Prepare polypropylene to-go box using the composite master batch being prepared, specific preparation method the following steps are included:
(1) acrylic resin is dried;
(2) acrylic resin, the composite master batch after drying are added in high-speed kneading machine and are mixed to get mixed material;Wherein, The weight ratio of acrylic resin and composite master batch after drying is 4:1;
(3) mixed material is added in double screw extruder, tie rod, pelletizing after melt blending, obtains mixing pellet;
The barrel temperature of the double screw extruder is 175 ~ 185 DEG C, and die head temperature is 198 ~ 200 DEG C;
(4) release agent is coated in molding die, is preheated to 55 DEG C, is injected into shaping mould for pellet is mixed using plastic injection equipment In tool, molding polypropylene to-go box is cooling, finishing, sizing, obtain the polypropylene to-go box after demoulding;
The barrel temperature of the plastic injection equipment is 250 DEG C, and equipment temperature is 30 DEG C, injection pressure 18MPa.
Embodiment 2
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the nano-silica The average grain diameter for changing titanium is 10nm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and mention by embodiment 1 Polypropylene to-go box is prepared in the method for confession.
Embodiment 3
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the nano-silica The average grain diameter for changing titanium is 50nm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and mention by embodiment 1 Polypropylene to-go box is prepared in the method for confession.
Embodiment 4
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the glass fibre Diameter be 20 μm, length 1.0mm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and by implementation Polypropylene to-go box is prepared in the method that example 1 provides.
Embodiment 5
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the glass fibre Diameter be 40 μm, length 0.5mm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and by implementation Polypropylene to-go box is prepared in the method that example 1 provides.
Embodiment 6
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the polypropylene tree The long chain branched polypropylene resin contained in rouge accounts for the 5wt% of the acrylic resin total amount;Remaining is constant, according to the side of embodiment 1 Composite master batch is prepared in method, and polypropylene to-go box is prepared by the method that embodiment 1 provides.
Embodiment 7
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the polypropylene tree The long chain branched polypropylene resin contained in rouge accounts for the 15wt% of the acrylic resin total amount;Remaining is constant, according to embodiment 1 Composite master batch is prepared in method, and polypropylene to-go box is prepared by the method that embodiment 1 provides.
Embodiment 8
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the composite master batch Raw material including following parts by weight is prepared: 70 parts by weight of acrylic resin, 0.5 parts by weight of nano-titanium dioxide, glass 2 parts by weight of fiber, 0.8 part of silane coupling agent, 0.07 parts by weight of phosphorus flame retardant, nucleating agent diphenyl methylene sorbierite 0.03 parts by weight, 0.1 parts by weight of antioxidant 1010,0.05 parts by weight of irgasfos 168,0.03 weight of dispersing agent lignin fibre Measure part, 0.02 parts by weight of antistatic agent octadecyldiethanol amine, 0.1 parts by weight of Hinered phenols light stabilizer, silicone profit 0.1 parts by weight of lubrication prescription;Remaining is constant, and composite master batch, and the side provided by embodiment 1 are prepared according to the method for embodiment 1 Polypropylene to-go box is prepared in method.
Embodiment 9
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the composite master batch Raw material including following parts by weight is prepared: 90 parts by weight of acrylic resin, 1.2 parts by weight of nano-titanium dioxide, glass 5 parts by weight of fiber, 2 parts of silane coupling agent, 0.3 parts by weight of phosphorus flame retardant, nucleating agent diphenyl methylene sorbierite 0.1 Parts by weight, 0.3 parts by weight of antioxidant 1010,0.15 parts by weight of irgasfos 168,0.05 weight of dispersing agent lignin fibre Part, 0.2 parts by weight of antistatic agent octadecyldiethanol amine, 0.2 parts by weight of Hinered phenols light stabilizer, silicone lubrication 0.2 parts by weight of agent;Remaining is constant, and composite master batch, and the method provided by embodiment 1 are prepared according to the method for embodiment 1 Polypropylene to-go box is prepared.
Comparative example 1
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the nano-silica The average grain diameter for changing titanium is 80nm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and mention by embodiment 1 Polypropylene to-go box is prepared in the method for confession.
Comparative example 2
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the glass fibre Diameter be 50 μm, length 1.0mm;Remaining is constant, composite master batch is prepared according to the method for embodiment 1, and by implementation Polypropylene to-go box is prepared in the method that example 1 provides.
Comparative example 3
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the polypropylene tree The long chain branched polypropylene resin contained in rouge accounts for the 2wt% of the acrylic resin total amount;Remaining is constant, according to the side of embodiment 1 Composite master batch is prepared in method, and polypropylene to-go box is prepared by the method that embodiment 1 provides.
Comparative example 4
As embodiment 1 provide the composite master batch for polypropylene to-go box preparation method, the difference is that, the composite master batch Raw material including following parts by weight is prepared: 90 parts by weight of acrylic resin, 0.3 parts by weight of nano-titanium dioxide, glass 1 parts by weight of fiber, 0.8 part of silane coupling agent, 0.1 parts by weight of phosphorus flame retardant, nucleating agent diphenyl methylene sorbierite 0.1 parts by weight, 0.2 parts by weight of antioxidant 1010,0.1 parts by weight of irgasfos 168,0.07 weight of dispersing agent lignin fibre Part, 0.03 parts by weight of antistatic agent octadecyldiethanol amine, 0.1 parts by weight of Hinered phenols light stabilizer, silicone lubrication 0.1 parts by weight of agent;Remaining is constant, and composite master batch, and the method provided by embodiment 1 are prepared according to the method for embodiment 1 Polypropylene to-go box is prepared.
Performance test: above-described embodiment 1-9 is tested according to the regulation of GB/T 1043.1-2008, comparative example 1-4 is provided The performance of the polypropylene to-go box of formula, and test result is recorded in table 1.
Table 1:
Basic principles and main features and the features of the present invention of the invention have been shown and described above.The technical staff of the industry It should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the range of claimed invention.The scope of protection of present invention by appended claims and its Equivalent thereof.

Claims (8)

1. a kind of preparation method of disposable polypropylene to-go box, it is characterised in that: the following steps are included:
(1) acrylic resin is dried;
(2) acrylic resin, the composite master batch after drying are added in high-speed kneading machine and are mixed to get mixed material;
(3) mixed material is added in double screw extruder, tie rod, pelletizing after melt blending, obtains mixing pellet;
(4) release agent is coated in molding die, is preheated to 50 ~ 60 DEG C, is injected into using plastic injection equipment by pellet is mixed In pattern tool, molding polypropylene to-go box is cooling, finishing, sizing, obtain the polypropylene to-go box after demoulding;
The composite master batch includes that the raw material of following parts by weight is prepared: 70 ~ 90 parts by weight of acrylic resin, nanometer two 0.5 ~ 1.2 parts by weight of titanium oxide, 2 ~ 5 parts by weight of glass fibre, 0.8 ~ 2 part of coupling agent, 0.5 ~ 1.5 weight of other auxiliary agents Part.
2. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: in step (3), institute The barrel temperature for stating double screw extruder is 175 ~ 185 DEG C, and die head temperature is 190 ~ 200 DEG C.
3. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: in step (4), institute The barrel temperature for stating plastic injection equipment is 245 ~ 250 DEG C, and equipment temperature is 25 ~ 30 DEG C, and injection pressure is 15 ~ 20MPa.
4. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: be used to prepare described In the raw material of composite master batch, long chain branched polypropylene resin is contained in the acrylic resin, the long chain branched polypropylene resin accounts for 5 ~ 15wt% of the total dosage of acrylic resin;And with the standard of ISO 1133, under 230 DEG C, 2.16kg load, the length The melt mass flow rate of branched polypropylene resin is 1 ~ 10g/10min.
5. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: the nano-silica The average grain diameter for changing titanium is 10 ~ 50nm.
6. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: the glass fibre Diameter be 20 ~ 40 μm, length be 0.5 ~ 1.0mm.
7. the preparation method of disposable polypropylene to-go box according to claim 1, it is characterised in that: described other to help Agent include one of fire retardant, nucleating agent, antioxidant, dispersing agent, antistatic agent, light stabilizer, lubricant or more than one Composition.
8. a kind of disposable polypropylene to-go box that the preparation method as described in claim 1 ~ 7 any one is prepared.
CN201910190084.2A 2019-03-13 2019-03-13 Disposable polypropylene to-go box and preparation method thereof Pending CN109824983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910190084.2A CN109824983A (en) 2019-03-13 2019-03-13 Disposable polypropylene to-go box and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910190084.2A CN109824983A (en) 2019-03-13 2019-03-13 Disposable polypropylene to-go box and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109824983A true CN109824983A (en) 2019-05-31

Family

ID=66869275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910190084.2A Pending CN109824983A (en) 2019-03-13 2019-03-13 Disposable polypropylene to-go box and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109824983A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817954A (en) * 2010-03-02 2010-09-01 台州富岭塑胶有限公司 Food-grade polypropylene composite material and preparation method and application thereof
CN105418984A (en) * 2015-12-23 2016-03-23 江苏道勤新材料科技有限公司 Plastic material used for fresh keeping box
CN108929486A (en) * 2017-05-26 2018-12-04 贵州环塑实业有限公司 A kind of heat-resisting disposable lunch-box and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817954A (en) * 2010-03-02 2010-09-01 台州富岭塑胶有限公司 Food-grade polypropylene composite material and preparation method and application thereof
CN105418984A (en) * 2015-12-23 2016-03-23 江苏道勤新材料科技有限公司 Plastic material used for fresh keeping box
CN108929486A (en) * 2017-05-26 2018-12-04 贵州环塑实业有限公司 A kind of heat-resisting disposable lunch-box and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孔萍 等: "《塑料材料》", 31 July 2017, 广东高等教育出版社 *
杨桂生: "《工程塑料》", 31 December 2017, 中国铁道出版社 *

Similar Documents

Publication Publication Date Title
EP2998353A1 (en) Pvc composite material, foaming board and production method, equipment and floor
CN101787210B (en) Production method and production line of silicone adhesive
CN102382401A (en) CMR-grade high-flame-retardation polyvinyl chloride cable jacket material and preparation method of same
CN105086042A (en) Environmental-friendly low-cost mildewproof plastic wood floor and preparation method therefor
CN102585369A (en) Composite modification filling master batch
CN108794931A (en) A kind of method of modifying of flame retardant type PVC board timber-used nano-calcium carbonate and its application
CN101367970A (en) Novel material special for transparent plastic and method of preparing the same
CN104479229A (en) Spray-free baking varnish metal-like polypropylene material and preparation method thereof
CN103711028A (en) Paper pulp composition and paper pulp molding product
CN102070918A (en) Preparation method of calcium carbonate masterbatch
CN109824983A (en) Disposable polypropylene to-go box and preparation method thereof
CN109912886A (en) Composite master batch and preparation method thereof for polypropylene to-go box
CN109666245A (en) It is exclusively used in a pocket type environmental protection auxiliary agent and preparation method thereof for PVC stone plastic floor substrate production
CN103804796B (en) A kind of preparation method of polypropylene agglomerate of the antibacterial polypropylene goods for the production of high transparency
CN108941572A (en) The preparation method of feeding for metal powder injection molding
CN105419086A (en) Preparing method for compound whitening polyolefin material for plastic woven bags
CN109135008A (en) A kind of filling master batch, preparation method, purposes and the polypropylene wiredrawing material comprising it
CN108912527A (en) A kind of polyvinyl chloride antibiosis layered board material
CN108395745A (en) Mould decorative paint of a kind of environmentally protective waterproof sterilization suppression and preparation method thereof
CN108178861B (en) Wood-plastic composite material and preparation method thereof
CN102408946B (en) High temperature resistant essence
CN107474459A (en) A kind of corrosion-resisting resin copolymer synthetic plastic filler and preparation method thereof
CN107418130A (en) A kind of ABS material with antibacterial sexual function of 3D printing and preparation method thereof
CN109679207A (en) A kind of fibre reinforced PP composite material and the preparation method and application thereof
CN109181141A (en) A kind of preparation method of low-gravity selfreparing PVC cable material

Legal Events

Date Code Title Description
RJ01 Rejection of invention patent application after publication

Application publication date: 20190531