CN104672611A - Folding and whitening resistant polypropylene material and preparation method thereof - Google Patents
Folding and whitening resistant polypropylene material and preparation method thereof Download PDFInfo
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- CN104672611A CN104672611A CN201510056138.8A CN201510056138A CN104672611A CN 104672611 A CN104672611 A CN 104672611A CN 201510056138 A CN201510056138 A CN 201510056138A CN 104672611 A CN104672611 A CN 104672611A
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- Prior art keywords
- polypropylene material
- bending
- temperature
- resistant white
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a folding and whitening resistant polypropylene material and a preparation method thereof. The folding and whitening resistant polypropylene material is prepared from the following components in parts by weight: 75-85 parts of polypropylene resin, 15-20 parts of starch, 8-10 parts of maleic anhydride grafted polypropylene, 5-8 parts of phenoxyethanol, 2-4 parts of ammonium polyphosphate, 1.3-2.5 parts of dipentaerythritol phosphate, 1.5-2 parts of azodiisobutyronitrile and 0.5-1 part of urea. The invention further discloses the preparation method of the folding and whitening resistant polypropylene material. The folding and whitening resistant polypropylene material prepared by adopting the preparation method can be folded repeatedly without being whitened and can be applied to refrigerators, washing machines, air conditioners, electric fans, dust collectors, air purification equipment and water purification equipment.
Description
Technical field
The invention belongs to polymeric material field, particularly a kind of Bending-resistant white polypropylene material and preparation method thereof.
Background technology
Acrylic resin is thermoplastic resin, is a kind of crystalline polymer of compound with regular structure.Its relative density is 0.90-0.91, is resin the lightest in resins for universal use.Acrylic resin has good mechanical property, resistance toheat, can keep good mechanical property, the corrosion of ability number of chemical reagent under acid, alkali effect.
Acrylic resin is along with the growth of duration of service, and its mechanical strength there will be decline, and the performance of each side also corresponding change can occur, and particularly at a lower temperature, its mechanical strength declines very fast, easily produces fracture.
Acrylic resin, due to the superperformance of each side, is therefore widely used in the industry such as electric, automobile, building, office equipment, machinery, aerospace, purifying air, becomes international popular trend to mould Dai Gangyi.
Chinese patent (CN 103289207 A) discloses a kind of Bending-resistant white polypropylene material and preparation method thereof and mixes by polypropylene, polyethylene, ethene-propylene elastomeric, filler, dispersion agent, oxidation inhibitor and the steady agent of light being added in high-speed mixer, extruding pelletization in twin screw extruder, then injection moulding obtains polypropylene material, but the notched Izod impact hit intensity of obtained Bending-resistant white polypropylene material is still not good.
In treating plant field, because the aseptic part in treating plant all needs frequent replacing, such as purify filter screen or filter core, need through repeatedly dismantling, its fragility of existing polyacrylic resin material is comparatively large, can not meet repeatedly folding dynamic, easily agingly even damages.
Summary of the invention
For above-mentioned demand, invention especially provides a kind of Bending-resistant white polypropylene material and preparation method thereof, this Bending-resistant white polypropylene material has good mechanical property, has good acid and alkali-resistance and the corrodibility of the organic solvent of resistance to part simultaneously.Meanwhile, under the condition repeatedly turned down, can there is not blushing in the polypropylene material that the present invention obtains, can be used for refrigerator, washing machine, conditioner, electric fan, suction cleaner, purifying air, water correction plant.
Object of the present invention can be achieved through the following technical solutions:
A kind of Bending-resistant white polypropylene material, be made up of the component comprising following weight part:
Acrylic resin 75-85 part,
Starch 15-20 part,
Maleic anhydride inoculated polypropylene 8-10 part,
Phenoxyethanol 5-8 part,
Ammonium polyphosphate 2-4 part,
Dipentaerythritol phosphoric acid ester 1.3-2.5 part,
Diisopropyl azodicarboxylate 1.5-2 part,
Urea 0.5-1 part.
Described starch is amylose starch or amylopectin.
The percentage of grafting of described maleic anhydride inoculated polypropylene is 2-4wt%.
A preparation method for Bending-resistant white polypropylene material, the method comprises the following steps:
(1) acrylic resin 75-85 part, maleic anhydride inoculated polypropylene 8-10 part, Phenoxyethanol 5-8 part, ammonium polyphosphate 2-4 part, Dipentaerythritol phosphoric acid ester 1.3-2.5 part, Diisopropyl azodicarboxylate 1.5-2 part and urea 0.5-1 part is taken;
(2) said components added in homogenizer mix, add starch 15-20 part of abundant ball milling, regulate pH to 7.8-8.2, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material.
The actual conditions mixed in described homogenizer is stir 15-30 minute with 1150-1200 rev/min at 70-85 DEG C.
Described twin screw extruder each section of temperature is: a district temperature 210-220 DEG C, two district temperature 230-240 DEG C, three district temperature 250-265 DEG C, four district temperature 240-250 DEG C, five district temperature 200-210 DEG C.
compared with prior art, its beneficial effect is in the present invention:
(1) Bending-resistant white polypropylene material that the present invention obtains has good mechanical strength, at a lower temperature, can still have good shock resistance, its long service life simultaneously.
(2) Bending-resistant white polypropylene material that obtains of the present invention is by adding starch, Phenoxyethanol, urea and ammonium polyphosphate, make material still can keep satisfactory stability and weathering resistance in different environments for use, and it has good antistatic property, the effect of anti-gray can be played.
(3) Bending-resistant white polypropylene material of the present invention, has certain anti-microbial effect, and its preparation method is simple, is easy to suitability for industrialized production.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) take acrylic resin 75kg, percentage of grafting be 2% maleic anhydride inoculated polypropylene 8kg, Phenoxyethanol 5kg, ammonium polyphosphate 2kg, Dipentaerythritol phosphoric acid ester 1.3kg, Diisopropyl azodicarboxylate 1.5kg and urea 0.5kg;
(2) said components to be added in homogenizer and stirs 15 minutes with 1150 revs/min at 70 DEG C, add the amylopectin 15kg of abundant ball milling, regulate pH to 7.8, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 210 DEG C, two district's temperature 230 DEG C, three district's temperature 250 DEG C, four district's temperature 240 DEG C, five district's temperature 200 DEG C.
The performance test results of obtained Bending-resistant white polypropylene material is as shown in table 1.
Embodiment 2
(1) take acrylic resin 75kg, maleic anhydride inoculated polypropylene 8kg, Phenoxyethanol 8kg, ammonium polyphosphate 2kg, Dipentaerythritol phosphoric acid ester 1.3kg, Diisopropyl azodicarboxylate 1.5kg and urea 0.5kg that percentage of grafting is 2wt%;
(2) said components to be added in homogenizer and stirs 15 minutes with 1150 revs/min at 70 DEG C, add the amylopectin 15kg of abundant ball milling, regulate pH to 7.8, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 210 DEG C, two district's temperature 230 DEG C, three district's temperature 250 DEG C, four district's temperature 240 DEG C, five district's temperature 200 DEG C.
The performance test results of obtained Bending-resistant white polypropylene material is as shown in table 1.
Embodiment 3
(1) take acrylic resin 85kg, maleic anhydride inoculated polypropylene 10kg, Phenoxyethanol 8kg, ammonium polyphosphate 4kg, Dipentaerythritol phosphoric acid ester 2.5kg, Diisopropyl azodicarboxylate 2kg and urea 1kg that percentage of grafting is 4wt%;
(2) said components to be added in homogenizer and stirs 30 minutes with 1200 revs/min at 85 DEG C, add the amylopectin 20kg of abundant ball milling, regulate pH to 8.2, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 220 DEG C, two district's temperature 240 DEG C, three district's temperature 265 DEG C, four district's temperature 250 DEG C, five district's temperature 210 DEG C.
The performance test results of obtained Bending-resistant white polypropylene material is as shown in table 1.
Embodiment 4
(1) take acrylic resin 85kg, maleic anhydride inoculated polypropylene 10kg, Phenoxyethanol 8kg, ammonium polyphosphate 4kg, Dipentaerythritol phosphoric acid ester 2.5kg, Diisopropyl azodicarboxylate 2kg and urea 1kg that percentage of grafting is 4wt%;
(2) said components to be added in homogenizer and stirs 30 minutes with 1200 revs/min at 85 DEG C, add the amylose starch 20kg of abundant ball milling, regulate pH to 8.2, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 220 DEG C, two district's temperature 240 DEG C, three district's temperature 265 DEG C, four district's temperature 250 DEG C, five district's temperature 210 DEG C.
Embodiment 5
(1) take acrylic resin 80kg, maleic anhydride inoculated polypropylene 9kg, Phenoxyethanol 7kg, ammonium polyphosphate 3kg, Dipentaerythritol phosphoric acid ester 2kg, Diisopropyl azodicarboxylate 1.7kg and urea 0.5kg that percentage of grafting is 4wt%;
(2) said components to be added in homogenizer and stirs 20 minutes with 1150 revs/min at 80 DEG C, add the amylose starch 17kg of abundant ball milling, regulate pH to 8, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 215 DEG C, two district's temperature 235 DEG C, three district's temperature 260 DEG C, four district's temperature 245 DEG C, five district's temperature 205 DEG C.
The performance test results of obtained Bending-resistant white polypropylene material is as shown in table 1.
Comparative example
Take acrylic resin 80kg, maleic anhydride inoculated polypropylene 12kg, ammonium polyphosphate 1kg, Diisopropyl azodicarboxylate 0.5kg that percentage of grafting is 4wt%, add in homogenizer and stir 20 minutes with 1150 revs/min at 80 DEG C, add amylose starch 17kg, add twin screw extruder, extrude, dry, pelletizing, obtain polypropylene material;
Wherein, described twin screw extruder each section of temperature is: district's temperature 215 DEG C, two district's temperature 235 DEG C, three district's temperature 260 DEG C, four district's temperature 245 DEG C, five district's temperature 205 DEG C.
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example |
| Izod notched Izod impact strength (J/M) at-5 DEG C | 152 | 148 | 155 | 141 | 138 | 69 |
| The white performance of anti-folding | Roll over and occur turning white for 26 times | Roll over and occur turning white for 28 times | Roll over and occur turning white for 25 times | Roll over and occur turning white for 26 times | Roll over and occur turning white for 24 times | Roll over and occur turning white for 6 times |
The invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (6)
1. a Bending-resistant white polypropylene material, is characterized in that, is made up of the component comprising following weight part:
Acrylic resin 75-85 part,
Starch 15-20 part,
Maleic anhydride inoculated polypropylene 8-10 part,
Phenoxyethanol 5-8 part,
Ammonium polyphosphate 2-4 part,
Dipentaerythritol phosphoric acid ester 1.3-2.5 part,
Diisopropyl azodicarboxylate 1.5-2 part,
Urea 0.5-1 part.
2. Bending-resistant white polypropylene material according to claim 1, it is characterized in that, described starch is amylose starch or amylopectin.
3. Bending-resistant white polypropylene material according to claim 1, it is characterized in that, the percentage of grafting of described maleic anhydride inoculated polypropylene is 2-4wt%.
4. a preparation method for Bending-resistant white polypropylene material, is characterized in that, the method comprises the following steps:
(1) acrylic resin 75-85 part, maleic anhydride inoculated polypropylene 8-10 part, Phenoxyethanol 5-8 part, ammonium polyphosphate 2-4 part, Dipentaerythritol phosphoric acid ester 1.3-2.5 part, Diisopropyl azodicarboxylate 1.5-2 part and urea 0.5-1 part is taken;
(2) said components added in homogenizer mix, add starch 15-20 part of abundant ball milling, regulate pH to 7.8-8.2, add twin screw extruder, extrude, dry, pelletizing, obtain Bending-resistant white polypropylene material.
5. Bending-resistant white polypropylene material according to claim 1, is characterized in that, the actual conditions mixed in described homogenizer is stir 15-30 minute with 1150-1200 rev/min at 70-85 DEG C.
6. Bending-resistant white polypropylene material according to claim 1, it is characterized in that, described twin screw extruder each section of temperature is: a district temperature 210-220 DEG C, two district temperature 230-240 DEG C, three district temperature 250-265 DEG C, four district temperature 240-250 DEG C, five district temperature 200-210 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056138.8A CN104672611A (en) | 2015-02-04 | 2015-02-04 | Folding and whitening resistant polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056138.8A CN104672611A (en) | 2015-02-04 | 2015-02-04 | Folding and whitening resistant polypropylene material and preparation method thereof |
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| CN104672611A true CN104672611A (en) | 2015-06-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931905A (en) * | 2006-10-11 | 2007-03-21 | 天津大学 | Compatible thermoplastic starch/polyethylene blending extrudant and its prepn process and application |
| CN102229720A (en) * | 2011-05-12 | 2011-11-02 | 中国科学院长春应用化学研究所 | High impact polypropylene composition and preparation method thereof |
| CN102367306A (en) * | 2011-05-17 | 2012-03-07 | 顺德职业技术学院 | High efficiency halogen-free flame retardant polypropylene composite material and its preparation method |
| CN102634073A (en) * | 2012-04-25 | 2012-08-15 | 中国科学院宁波材料技术与工程研究所 | Starch/polypropylene degradable composite material and preparation method thereof |
| CN103627030A (en) * | 2012-08-28 | 2014-03-12 | 上海载和实业投资有限公司 | Starch fire retardation master batch and preparation method thereof |
-
2015
- 2015-02-04 CN CN201510056138.8A patent/CN104672611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931905A (en) * | 2006-10-11 | 2007-03-21 | 天津大学 | Compatible thermoplastic starch/polyethylene blending extrudant and its prepn process and application |
| CN102229720A (en) * | 2011-05-12 | 2011-11-02 | 中国科学院长春应用化学研究所 | High impact polypropylene composition and preparation method thereof |
| CN102367306A (en) * | 2011-05-17 | 2012-03-07 | 顺德职业技术学院 | High efficiency halogen-free flame retardant polypropylene composite material and its preparation method |
| CN102634073A (en) * | 2012-04-25 | 2012-08-15 | 中国科学院宁波材料技术与工程研究所 | Starch/polypropylene degradable composite material and preparation method thereof |
| CN103627030A (en) * | 2012-08-28 | 2014-03-12 | 上海载和实业投资有限公司 | Starch fire retardation master batch and preparation method thereof |
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Application publication date: 20150603 |