CN103351571A - Preparation method of easy-degradation environment-friendly plastic - Google Patents
Preparation method of easy-degradation environment-friendly plastic Download PDFInfo
- Publication number
- CN103351571A CN103351571A CN2013102344127A CN201310234412A CN103351571A CN 103351571 A CN103351571 A CN 103351571A CN 2013102344127 A CN2013102344127 A CN 2013102344127A CN 201310234412 A CN201310234412 A CN 201310234412A CN 103351571 A CN103351571 A CN 103351571A
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- Prior art keywords
- temperature
- district
- abs
- ethylene
- section temperature
- Prior art date
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Classifications
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
-
- 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
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
-
- 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
Abstract
The invention relates to a preparation method of easy-degradation environment-friendly plastic. The method comprises the steps that: ABS is weighed, and is dried for 4h under a temperature of 90 DEG C; ABS, starch, polyethylene, an interface coupling agent, a toughening agent, and a dispersion lubricant are stirred for 5min in a high-speed stirrer with a rotation speed of 1100r/min; the mixture is discharged when the mixture is uniform; the uniformly mixed materials is added into a double-screw extruder with a length-to-diameter ratio (L/D) of 40, and is extruded, wherein a first-section processing temperature of the double-screw extruder is 180 DEG C, a second-section temperature is 185 DEG C, a third-section temperature is 195 DEG C, a fourth-section temperature is 210 DEG C, a fifth-section temperature is 215 DEG C, a sixth-section temperature is 225 DEG C, a seventh-section temperature is 235 DEG C, an eighth-section temperature is 240 DEG C, and a main engine rotational speed is 320r/min; the extruded material is cooled and drawn into strips, and is air-cooled and diced, such that the easy-degradation environment-friendly modified plastic provided by the invention is prepared. With the method, the degradability and environment-friendliness of the plastic are greatly improved.
Description
Technical field
The present invention relates to the plastics field, specifically, the present invention relates to a kind of preparation method of easy degradation environment protection plastics.
Background technology
The ABS(acrylonitrile-butadiene-styrene (ABS)) resin is important general synthetic resin, and main body is vinyl cyanide, divinyl and cinnamic blend or terpolymer, is a kind of tough and tensile and the thermoplastics of rigidity is arranged.Its purposes is very extensive, automotive industry is usually used in making automobile component such as dashboard, vehicle-body outer panel, inner trim panels, bearing circle, insulating board, door lock, collision bumper, vent-pipe etc., household electric appliances are usually used in making such as refrigerator, televisor, washing machine, vacuum cleaner, food mixer, the housing of telephone set etc., be usually used in making such as sanitary apparatus at architectural decoration, the swimming pool lining, tubing and pipe fitting etc. are in addition also for the manufacture of safety helmet, the motorcycle plate washer, heel, the snowfield sporting goods, toy, clock, casing of loudspeaker box, suitcase, button, daily necessities and the nameplates such as minaudiere, the advertising matters such as ornament.
Although ABS is widely used, because the characteristic of the molecular structure performance of ABS own, so that ABS is not enough aspect easy degradation environment protection.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of easy degradation environment protection plastics.
In order to realize purpose of the present invention, the invention provides a kind of preparation method of easy degradation environment protection plastics, it is lower dry 4 hours in 90 ℃ that the method comprises the following steps: to take by weighing ABS, then with starch, polyethylene, interface coupling agent, toughner and dispersed lubricant, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit; To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare easy degradation environment protection modified plastics of the present invention.
Preferably, the consumption of various raw materials is as follows:
Preferably, described interface coupling agent is one or more in γ-aminopropyl triethoxysilane (KH550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), ABS grafting toxilic acid (ABS-g-MAH), styrene-maleic anhydride copolymer (SMA), Research of Grafting Malaic Anhydride Onto Polyethylene (LDPE-g-MAH), linear low density polyethylene grafted maleic anhydride (LLDPE-g-MAH), the Racemic glycidol ether type epoxy.
Preferably, described toughner is MBS (MBS), MBS, hydrogenated styrene/Butadiene/Styrene) in the segmented copolymer (SEBS) one or more.
Preferably, described dispersed lubricant is one or more in glyceryl monostearate, Tristearoylglycerol, ethylene bis stearamide, the bimonthly osmanthus of ethylene acid amides, the two amine hydroxybenzenes of ethylene, lower molecular weight ionomer, ethylene-acrylic acid copolymer, the ethylene-vinyl acetate copolymer.
Preferably, the consumption of various raw materials is as follows:
The easy degradation environment protection of the plastics that method of the present invention makes is greatly strengthened.
Embodiment
Below the invention will be further described for the description by embodiment, but this is not to be limitation of the present invention, those skilled in the art are according to basic thought of the present invention, can make various modifications or improvement, but only otherwise break away from basic thought of the present invention, all within the scope of the present invention.
Embodiment 1
Take by weighing 600 ABS that restrain lower dry 4 hours in 90 ℃, then with starch 80 grams, polyethylene 130 grams, γ-aminopropyl triethoxysilane 50 grams, MBS 50 grams and glyceryl monostearate 8 grams, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit.To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare easy degradation environment protection plastics of the present invention.
Embodiment 2
According to preparing easy degradation environment protection plastics with embodiment 1 identical mode, difference is not use starch.
Embodiment 3
According to preparing easy degradation environment protection plastics with embodiment 1 identical mode, difference is not use polyethylene.
Experimental example
Standard rule by ASTM D3826-91(employing stretching test measurement degradable polyethylene and degradation of polypropylene terminal point) degradation property is tested in requirement, and the result is as follows:
This shows, add starch and polyethylene and produced unexpectedly synergy.
Claims (6)
1. the preparation method of easy degradation environment protection plastics, it is lower dry 4 hours in 90 ℃ that the method comprises the following steps: to take by weighing ABS, then with starch, polyethylene, interface coupling agent, toughner and dispersed lubricant, in homogenizer, stirred 5 minutes with 1100 rev/mins, after evenly, emit; To add length-to-diameter ratio (L/D) be in 40 the twin screw extruder mixing equal materials of spoon, the processing temperature of twin screw extruder: 180 ℃ of district's temperature, two district's temperature are 185 ℃, three district's temperature are 195 ℃, and four district's temperature are 210 ℃, and five district's temperature are 215 ℃, six district's temperature are 225 ℃, seven district's temperature are 235 ℃, and eight district's temperature are 240 ℃, and engine speed is 320 to turn/min; Cool off check rod, air-dry pelletizing through after extruding, namely prepare easy degradation environment protection modified plastics of the present invention.
2. method according to claim 1 is characterized in that, the consumption of various raw materials is as follows:
3. method according to claim 1, it is characterized in that, described interface coupling agent is γ-aminopropyl triethoxysilane (KH550), γ-glycidyl ether oxygen propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), ABS grafting toxilic acid (ABS-g-MAH), styrene-maleic anhydride copolymer (SMA), Research of Grafting Malaic Anhydride Onto Polyethylene (LDPE-g-MAH), linear low density polyethylene grafted maleic anhydride (LLDPE-g-MAH), in the Racemic glycidol ether type epoxy one or more.
4. method according to claim 1, it is characterized in that, described toughner is MBS (MBS), MBS, hydrogenated styrene/Butadiene/Styrene) in the segmented copolymer (SEBS) one or more.
5. method according to claim 1, it is characterized in that, described dispersed lubricant is one or more in glyceryl monostearate, Tristearoylglycerol, ethylene bis stearamide, the bimonthly osmanthus of ethylene acid amides, the two amine hydroxybenzenes of ethylene, lower molecular weight ionomer, ethylene-acrylic acid copolymer, the ethylene-vinyl acetate copolymer.
6. each described method in 5 according to claim 2 is characterized in that, the consumption of various raw materials is as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102344127A CN103351571A (en) | 2013-06-13 | 2013-06-13 | Preparation method of easy-degradation environment-friendly plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102344127A CN103351571A (en) | 2013-06-13 | 2013-06-13 | Preparation method of easy-degradation environment-friendly plastic |
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| Publication Number | Publication Date |
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| CN103351571A true CN103351571A (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013102344127A Pending CN103351571A (en) | 2013-06-13 | 2013-06-13 | Preparation method of easy-degradation environment-friendly plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760049A (en) * | 2017-10-24 | 2018-03-06 | 安徽悦尔伟塑料机械有限公司 | Degradable plastic filler and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033310A (en) * | 2006-05-24 | 2007-09-12 | 吴丽娜 | Preparation of special-purpose material for degradable plastic |
| CN102936392A (en) * | 2012-09-28 | 2013-02-20 | 东莞市欣恒塑胶制品有限公司 | High performance environment protection ABS/PE composite plastic master batch and preparation method thereof |
-
2013
- 2013-06-13 CN CN2013102344127A patent/CN103351571A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033310A (en) * | 2006-05-24 | 2007-09-12 | 吴丽娜 | Preparation of special-purpose material for degradable plastic |
| CN102936392A (en) * | 2012-09-28 | 2013-02-20 | 东莞市欣恒塑胶制品有限公司 | High performance environment protection ABS/PE composite plastic master batch and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760049A (en) * | 2017-10-24 | 2018-03-06 | 安徽悦尔伟塑料机械有限公司 | Degradable plastic filler and preparation method thereof |
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Application publication date: 20131016 |