CN102558690A - Polypropylene composition for folding stool and preparation method thereof - Google Patents
Polypropylene composition for folding stool and preparation method thereof Download PDFInfo
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- CN102558690A CN102558690A CN2011104468568A CN201110446856A CN102558690A CN 102558690 A CN102558690 A CN 102558690A CN 2011104468568 A CN2011104468568 A CN 2011104468568A CN 201110446856 A CN201110446856 A CN 201110446856A CN 102558690 A CN102558690 A CN 102558690A
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- faldstool
- polypropene composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polypropylene composition for folding stool and a preparation method thereof. The material formula of the polypropylene composition for folding stool is composed of 30-50 parts of co-polypropylene, 30-50 parts of co-polypropylene reworked material, 10-30 parts of calcium carbonate, 5-10 parts of toughener, 0.1-0.5 parts of antioxidant 1010, 0.1-0.5 parts of antioxidant 168, 0.3-0.5 parts of anti-ultraviolet ray agent UV-531, 0.08-0.1 parts of diffusing powder EBS, 0-0.04 parts of 3130 everlasting red F2R, 0-0.02 parts of everlasting purple RXS, 0-0.02 parts of ritanium of dracocephalum moldavica, and 0-0.02 parts of 204 yellow according to weight parts. The polypropylene composition for folding stool of the invention meets each index of the folding stool; and the folding stool is widely used in open air, and has the characteristics of beautiful color, sun-proof, water-proof, high rigidity, impact resistance, scuffing resistance, low temperature resistance, high resistance, and aging resistance. In this way, the folding stool can be recycled.
Description
Technical field
The present invention relates to technical field of polymer materials, be specifically related to a kind of faldstool with polypropene composition and preparation method thereof.
Background technology
Vestolen PP 7052 is a kind of common general-purpose plastics, is that propylene monomer is polymerized, and english abbreviation is PP, and this material thermal resistance is poor; Fusing point is 165～175 ℃, and rigidity is low, and impelling strength is low; Hardness is low relatively, and resistance to low temperature is poor, and scratch-proofness can be poor; In the modified plastics field, its rigidity and toughness scratch-proofness lower temperature resistance are difficult to improve simultaneously, can not directly be used in the special-purpose starting material of faldstool.Vestolen PP 7052 is according to polymerization method, and molecule segment is arranged and is mainly two big types of COPP, HOPPs, and wherein: HOPP toughness is relatively poor, and rigidity is higher, and notched Izod impact strength is 3.0～5.0KJ/m
2, modulus in flexure 1400～2200Mpa; COPP impelling strength is high, but rigidity is low, notched Izod impact strength 5.0～50.0kg/m
2, modulus in flexure 700～1500mpa, and the HB of COPP PP low be between 30～60, in the outdoor easy bursting by freezing of severe cold.
Summary of the invention
The objective of the invention is to the deficiency to prior art, a kind of indoor and outdoor that can be used for is provided, have damage resistant, high-performance, advantage such as high temperature resistant and low temperature resistant, and the gorgeous various faldstool of color is used polypropene composition.
Another object of the present invention is to provide the preparation method of above-mentioned faldstool with polypropene composition.
Above-mentioned purpose of the present invention is achieved through following scheme:
A kind of faldstool is used polypropene composition, and its composition of raw materials is made up of each component of following parts by weight:
30～50 parts of COPPs;
30～50 parts of COPP reworked materials;
10～30 parts in lime carbonate;
5～10 parts of toughner;
0.1～0.5 part of antioxidant 1010;
168 0.1～0.5 part of inhibitor;
0.3～0.5 part of anti UV agent UV-531;
0.08～0.1 part of spread powder EBS;
0～0.04 part of 3130 solid forever bright red F2R;
0～0.02 part of permanent violet RXS;
Blue or green blue 0～0.02 part of titanium;
0～0.02 part of 204 Huang.
Above-mentioned 204 Huangs are to adopt commercially available TKC pigment 204 Huangs.
In the above-mentioned raw materials prescription, COPP adopts the injection grade COPP, is more preferably not to be added with the injection grade COPP of filling raw material and two defective materials.
In the above-mentioned raw materials prescription; The COPP reworked material adopts any COPP reworked material all can; Like COPP defective material, substandard products or recovery article or the like; Preferred injection grade COPP reworked material is more preferably and is not added with the injection grade COPP reworked material of filling raw material and two defective materials.
In the above-mentioned raw materials prescription, lime carbonate mainly plays the effect that increases firm agent and anti-stroke of agent; In order to obtain better product performance, the lime carbonate in the present invention's prescription adopts particle diameter to be less than or equal to 10 microns lime carbonate, and the adding of said lime carbonate can improve the resistance to impact shock and the scratch resistant performance of system greatly.
In the above-mentioned raw materials prescription, toughner adopts polyolefin elastomer (POE), and polyolefin elastomer adopts commercially available anyly all can realize the present invention; The adding of polyolefin elastomer can improve the toughness of system greatly, improves simultaneously and resists cold, and makes polypropene composition of the present invention keep performances intact at-30 ℃.In addition, toughner of the present invention can also adopt the elastomer thermoplastic mixtures of polyhutadiene-1 and butadiene-styrene rubber polyisobutene.No matter be the elastomer thermoplastic mixtures of polyolefin elastomer (POE) or polyhutadiene-1 and butadiene-styrene rubber polyisobutene,
These two kinds all is elastomerics, and daily use also has good toughening effect and with Vestolen PP 7052 the fine consistency that gets arranged, and therefore under the consideration of comprehensive price ratios such as cost, these two kinds of softening agent can be selected to use according to qualifications.
In the above-mentioned raw materials prescription, above-mentioned antioxidant 1010 and inhibitor 168 are the commercially available prod, play the effect of heat resistanceheat resistant, resist oxygen aging in the present invention.
Above-mentioned anti UV agent UV-531 is the commercially available prod, and adding can improve anti-aging, absorbs action of ultraviolet radiation, and in the effect of the sun-proof regression look of outdoor prolongation, it is prolonged stable to reach color.
Above-mentioned spread powder EBS is the commercially available prod, plays effect lubricated, diffusion in the present invention.
The interpolation in prescription of above-mentioned oxidation inhibitor and anti UV agent, it mainly is to play to the daily environment for use of goods, ensures the goods effect in work-ing life; The interpolation of spread powder in the present invention's prescription mainly is to make material in stirring, can disperse more evenly, establishes better processing basis for mixing extruding, thereby prepares more high-quality finished product.
Above-mentioned 3130 solid forever bright red F2R, permanent violet RXS, the blue or green orchid of titanium and 204 Huangs are toners, thereby can form the color and luster of customer satisfaction according to the allotment of client's needs in concrete the application.
Above-mentioned faldstool specifically comprises the steps: with the preparation method of polypropene composition
According to the prescription consumption; Admittedly send in the twin screw extruder after bright red F2R, permanent violet RXS, the blue or green orchid of titanium and 204 Huangs mix the back forever with COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130; Behind melting mixing under 190～230 ℃ the temperature; Through the tank cooling, to introduce dicing machine and carry out the pelletizing operation, the collection pellet is faldstool of the present invention and uses polypropene composition.
Among the above-mentioned preparation method; Blue or green blue and 204 Huangs of the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130, permanent violet RXS, titanium are mixed, be meant under 650～1300 rev/mins rotating speed blue or green blue and 204 Huangs of the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130, permanent violet RXS, titanium are mixed; Adopting 650～1300 rev/mins rotating speed to stir, is that then material can cracking too soon if stir because bad if stirring then mixes too slowly.
Among the above-mentioned preparation method, the rotating speed of twin screw extruder is 250～400rPm.
Among the above-mentioned preparation method, it is 190～230 ℃ that melting mixing adopts temperature, is because if the too high meeting of melt temperature causes the polymkeric substance thermolysis, thereby makes polymkeric substance lose due mechanical energy; If the too low polymkeric substance that then can cause of melt temperature is mixing inhomogeneous, thereby might make the polymkeric substance layering lose due function.
Among the above-mentioned preparation method, the melt of being extruded by twin screw extruder is when tank cools off, and used tank temperature is 50～60 ℃; The inventor discovers, expects that then bar is not easy to dicing machine and cuts off if the tank temperature is too high, and to have the long-tail crust to hinder particle attractive in appearance if water temperature is crossed the low particle that then can cause dicing machine to cut out, and the blanking in the time of also might giving injection moulding brings unnecessary puzzlement.
Among the above-mentioned preparation method, the rotating speed of dicing machine is 600～900rpm; The inventor is through discovering, if the dicing machine rotating speed is slow excessively, then pellet can be too loose, if the dicing machine rotating speed is too fast, then pellet can be too little, and therefore, it is suitable that the rotating speed of dicing machine need be adjusted, otherwise all can be to final pellet attractive in appearance influential; To this, the inventor optimizes and revises the rotating speed of dicing machine, and the rotating speed of finally selecting dicing machine is 600～900rpm.
Above-mentioned preparation gained faldstool is carried out performance test with polypropene composition, and the result finds that this faldstool can satisfy faldstool each item index with polypropene composition, utilizes this material to make faldstool and can be widely used in indoor and outdoor; Sun-proof is arranged, waterproof, high rigidity; Shock-resistant, damage resistant, low temperature resistant (can reach low temperature-20 ℃); High temperature resistant (can reach a high temperature 80 ℃), anti-aging, the life-span can reach more than 20 years; Also recyclable reproducing, various colors are beautiful, are environmental protection, regeneration, energy-conservation, the best materials that reduces discharging.
Compared with prior art, the present invention has following beneficial effect:
1. the inventor is through discovering; Add in the present invention prescription snappiness that POE can play further enhancing polymkeric substance make it to adapt to low temperature environment work with bear effects such as pressure does not ftracture; And the inventor also discovers; The POE addition is too high in the present invention prescription then can the impact polymer rigidity cause product deformation, and it is that cracking is too high then can the impact polymer rigidity in pressure-bearing that too low then snappiness deficiency causes goods, therefore through research the POE addition is optimized;
2. the inventor is through discovering; Add lime carbonate in the present invention's prescription and can play the insufficient effect of the rigidity that remedies COPP; And add the bearing capacity that can satisfy behind the lime carbonate in the daily use of faldstool in the prescription and under the comparatively high temps environment work can not be out of shape; In addition, the inventor discovers that also the too high then polymers flexible property of lime carbonate addition deficiency becomes fragile in the present invention's prescription; The not enough bearing capacity of too low then rigidity is poor, therefore through research the addition of lime carbonate is optimized;
3. faldstool of the present invention is used polypropene composition; Each components selection and consumption are through optimizing in its prescription; And corresponding preparation technology parameter is also optimized; Have good characteristics such as beautiful in colour, sun-proof, waterproof, high rigidity, shock-resistant, damage resistant, low temperature resistant (can reach low temperature-20 ℃), high temperature resistant (can reach a high temperature 118 ℃), anti-aging and renewable recovery thereby obtain polypropene composition, and can satisfy faldstool each item index.
Embodiment
Below in conjunction with specific embodiment the present invention is done description further, but specific embodiment is not done any qualification to the present invention.
Embodiment 1
The faldstool polypropene composition of present embodiment, its composition of raw materials is made up of each component of following parts by weight:
50 parts of COPPs;
35 parts of COPP reworked materials;
12 parts in lime carbonate;
5 parts of polyolefin elastomers;
0.2 part of antioxidant 1010;
168 0.3 parts of inhibitors;
0.3 part of anti UV agent UV-531;
0.08 part of spread powder EBS;
0.02 part of 3130 solid forever bright red F2R.
Above-mentioned faldstool specifically comprises the steps: with the preparation method of polypropene composition
According to the prescription consumption; Admittedly send in the twin screw extruder after after bright red F2R mixes forever with COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS and 3130; Behind melting mixing under 220 ℃ the temperature; Through the tank cooling, to introduce dicing machine and carry out the pelletizing operation, the collection pellet is faldstool of the present invention and uses polypropene composition.
Among the above-mentioned preparation method; The solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS and 3130 is mixed, be meant under 1300 rev/mins rotating speed the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS and 3130 is mixed.
Among the above-mentioned preparation method, the rotating speed of twin screw extruder is 400rPm.
Among the above-mentioned preparation method, it is 220 ℃ that melting mixing adopts temperature.
Among the above-mentioned preparation method, the melt of being extruded by twin screw extruder is when tank cools off, and used tank temperature is 60 ℃.
Among the above-mentioned preparation method, the rotating speed of dicing machine is 600rpm.
Adopt iso standard that the polypropylene dedicated compsn of nerf bar of present embodiment preparation is carried out performance test, the result is as shown in table 1.
Table 1 faldstool is used the polypropene composition The performance test results
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.16 |
| Mould shrinks | ASTM D955 | % | 1.2 |
| Tensile strength | ASTM D638 | Kgf/c㎡ | 260 |
| Flexural strength | ASTM D790 | kgf/c㎡ | 380 |
| Unit elongation | ?ASTM D638 | % | 35 |
| Bending modulus | ASTM D790 | Kgf/c㎡ | 12000 |
| Notched Izod impact strength (1/8 ", 23 ℃) | ASTM D256 | Kg·㎝/㎝ | 7 |
| Heat-drawn wire | ASTM D648 | ℃ | 118 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 80 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 220 |
| Anti-stroke of grade | — | — | 18N |
| Cold-resistant temperature | — | ℃ | -20 |
Can find out that from table 1 the present embodiment faldstool has beautiful in colour, sun-proof, waterproof, high rigidity, shock-resistant, damage resistant, low temperature resistant (20 ℃), high temperature resistant (118 ℃) and good characteristic such as anti-aging really with polypropene composition.
Embodiment 2
The faldstool polypropene composition of present embodiment, its composition of raw materials is made up of each component of following parts by weight:
30 parts of COPPs;
50 parts of COPP reworked materials;
16.2 parts in lime carbonate;
5 parts of polyolefin elastomers;
0.2 part of antioxidant 1010;
168 0.3 parts of inhibitors;
0.3 part of anti UV agent UV-531;
0.08 part of spread powder EBS;
0.02 part of 3130 solid forever bright red F2R;
0.02 part of 204 Huang;
Above-mentioned 204 Huangs are to adopt commercially available TKC pigment 204 Huangs.
Above-mentioned faldstool specifically comprises the steps: with the preparation method of polypropene composition
According to the prescription consumption; Admittedly bright red F2R and 204 Huangs are sent in the twin screw extruder after mixing the back forever with COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130; Behind melting mixing under 220 ℃ the temperature; Through the tank cooling, to introduce dicing machine and carry out the pelletizing operation, the collection pellet is faldstool of the present invention and uses polypropene composition.
Among the above-mentioned preparation method; Solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130 and 204 Huangs are mixed, be meant under 1300 rev/mins rotating speed solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, polyolefin elastomer, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130 and 204 Huangs are mixed.
Among the above-mentioned preparation method, the rotating speed of twin screw extruder is 400rPm, and it is 220 ℃ that melting mixing adopts temperature, and the melt of being extruded by twin screw extruder is when tank cools off, and used tank temperature is 55 ℃, and the rotating speed of dicing machine is 900rpm.
Adopt iso standard that the polypropylene dedicated compsn of nerf bar of present embodiment preparation is carried out performance test, the result is as shown in table 2.
Table 2 faldstool is used the polypropene composition The performance test results
| Character | Method | Unit | Data |
| Proportion | ASTM D792 | — | 1.16 |
| Mould shrinks | ASTM D955 | % | 1.3 |
| Tensile strength | ASTM D638 | Kgf/c㎡ | 240 |
| Flexural strength | ASTM D790 | kgf/c㎡ | 360 |
| Unit elongation | ?ASTM D638 | % | 35 |
| Bending modulus | ASTM D790 | Kgf/c㎡ | 12000 |
| Notched Izod impact strength (1/8 ", 23 ℃) | ASTM D256 | Kg·㎝/㎝ | 7 |
| Heat-drawn wire | ASTM D648 | ℃ | 118 |
| Flame resistivity | UL94 | (1/8") | HB |
| Drying temperature | — | ℃ | 80 |
| Time of drying | — | HR | 4 |
| Melt temperature | — | ℃ | 220 |
| Anti-stroke of grade | — | — | 20N |
| Cold-resistant temperature | — | ℃ | -20 |
Can find out that from table 2 the present embodiment faldstool has beautiful in colour, sun-proof, waterproof, high rigidity, shock-resistant, damage resistant, low temperature resistant (20 ℃), high temperature resistant (118 ℃) and good characteristic such as anti-aging really with polypropene composition.
Claims (9)
1. a faldstool is used polypropene composition, and its composition of raw materials is made up of each component of following parts by weight:
30～50 parts of COPPs;
30～50 parts of COPP reworked materials;
10～30 parts in lime carbonate;
5～10 parts of toughner;
0.1～0.5 part of antioxidant 1010;
168 0.1～0.5 part of inhibitor;
0.3～0.5 part of anti UV agent UV-531;
0.08～0.1 part of spread powder EBS;
0～0.04 part of 3130 solid forever bright red F2R;
0～0.02 part of permanent violet RXS;
Blue or green blue 0～0.02 part of titanium;
0～0.02 part of 204 Huang;
Above-mentioned 204 Huangs are to adopt commercially available TKC pigment 204 Huangs.
2. use polypropene composition according to the said a kind of faldstool of claim 1, it is characterized in that said COPP is the injection grade COPP, said COPP reworked material is an injection grade COPP reworked material.
3. use polypropene composition according to the said a kind of faldstool of claim 1, it is characterized in that said lime carbonate adopts particle diameter to be less than or equal to 10 microns lime carbonate.
4. use polypropene composition according to the said a kind of faldstool of claim 1, it is characterized in that said toughner is polyolefin elastomer POE, or the elastomer thermoplastic mixtures of polyhutadiene-1 and butadiene-styrene rubber polyisobutene.
5. said each faldstool of claim 1-4 is with the preparation method of polypropene composition; It is characterized in that this preparation method sends in the twin screw extruder after the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130, permanent violet RXS, the blue or green orchid of titanium and 204 Huangs are mixed the back; Behind melting mixing under 190～230 ℃ the temperature; Cool off through tank; Introduce dicing machine and carry out the pelletizing operation, the collection pellet is required faldstool and uses polypropene composition.
6. according to the preparation method of the said a kind of faldstool of claim 5 with polypropene composition; It is characterized in that said blue or green blue and 204 Huangs of the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130, permanent violet RXS, titanium being mixed, be meant under 650～1300 rev/mins rotating speed blue or green blue and 204 Huangs of the solid forever bright red F2R of COPP, COPP reworked material, lime carbonate, toughner, antioxidant 1010, inhibitor 168, anti UV agent UV-531, spread powder EBS, 3130, permanent violet RXS, titanium are mixed.
7. according to the preparation method of the said a kind of faldstool of claim 5 with polypropene composition, the rotating speed that it is characterized in that said twin screw extruder is 250～400rPm.
8. according to the preparation method of the said a kind of faldstool of claim 5 with polypropene composition, when it is characterized in that said tank cools off, used tank temperature is 50～60 ℃.
9. according to the preparation method of the said a kind of faldstool of claim 5 with polypropene composition, the rotating speed that it is characterized in that said dicing machine is 600～900rpm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031859A (en) * | 2021-12-15 | 2022-02-11 | 广东特帅科技股份有限公司 | High-molecular modified material of high-cold-resistance UV-resistant intelligent turnover frame for storage and transportation of fresh products |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858101A (en) * | 2006-04-26 | 2006-11-08 | 南京聚隆化学实业有限责任公司 | Inorganic nano particle modified high performance recovery plastic and its preparing process |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858101A (en) * | 2006-04-26 | 2006-11-08 | 南京聚隆化学实业有限责任公司 | Inorganic nano particle modified high performance recovery plastic and its preparing process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031859A (en) * | 2021-12-15 | 2022-02-11 | 广东特帅科技股份有限公司 | High-molecular modified material of high-cold-resistance UV-resistant intelligent turnover frame for storage and transportation of fresh products |
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