CN102453286A - Polystyrene alloy with high toughness and preparation technology thereof - Google Patents

Polystyrene alloy with high toughness and preparation technology thereof Download PDF

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Publication number
CN102453286A
CN102453286A CN2010105260933A CN201010526093A CN102453286A CN 102453286 A CN102453286 A CN 102453286A CN 2010105260933 A CN2010105260933 A CN 2010105260933A CN 201010526093 A CN201010526093 A CN 201010526093A CN 102453286 A CN102453286 A CN 102453286A
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CN
China
Prior art keywords
temperature
preparation technology
polystyrene alloy
degrees centigrade
filler
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Pending
Application number
CN2010105260933A
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Chinese (zh)
Inventor
陈飞
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Individual
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Individual
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Priority to CN2010105260933A priority Critical patent/CN102453286A/en
Publication of CN102453286A publication Critical patent/CN102453286A/en
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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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C2948/92514—Pressure
    • 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
    • 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
    • B29C2948/92904—Die; Nozzle zone

Abstract

The invention discloses a polystyrene alloy with a high toughness and a preparation technology, wherein the preparation technology is as follows: using polystyrene, an ethylene copolymer, a solubilizer, a stabilizer, a processing agent and a filler as raw materials, and stirring the raw materials based on proportions by a high speed mixer for about 10 min until they are uniformly mixed, and shifting the mixture to a double-screw extruder to be extruded in a melt way, wherein the temperatures of a feed cylinder are as follows: for the back section, the temperature is 160-180 degrees centigrade; for the middle section, the temperature is 170-200 degrees centigrade; for the front section, the temperature is 180-205 degrees centigrade; the temperature of a die head is 190-205 degrees centigrade; the pressure of a handpiece is 3-6 MPa; extruding the mixture and cooling it and granulating to obtain cylindrical granular products.

Description

A kind of high-toughness polystyrene alloy and preparation technology
Technical field
The present invention relates to the processing of polymer substance or the technological process of batching, is a kind of high-toughness polystyrene alloy and preparation technology.
Background technology
(Polystyrene PS) is water white general-purpose plastics to PS, and is cheap, has higher intensity and modulus and favorable manufacturability.But because its property is crisp, big limitations its application.Polydiene commonly used and styrene monomer carry out copolymerization and make HIPS, ABS, have improved the toughness of PS, have widened the Application Areas of PS, and at present, HIPS and ABS have been widely used in industries such as electronics, electrical equipment, instrument, packing, daily necessities.But HIPS (high-impact polystyrene) and ABS (acrylonitrile-butadiene-styrene copolymer) they are that to utilize copolymerization to carry out toughness reinforcing, the technology controlling and process difficult and complicated, and cost is higher, and is difficult to regulate immediately as required the toughness of material.
Summary of the invention
The purpose of this invention is to provide a kind of toughness reinforcing preparation high-toughness polystyrene alloy of ethene copolymer and preparation technology of utilizing.
The technical scheme that the present invention adopts is following:
1, prescription:
Raw material consumption (part)
PS 100
Ethylene copolymer 5～35
Expanding material 1～20
Stablizer 0.1～5
Processing aid 0～5
Filler 0～30
Said ethylene copolymer is the multipolymer of ethene and aliphatics alkene, and expanding material is the styrene-butadiene-styrene multipolymer, and stablizer is antioxidant 1010 and DLTP, and processing aid is a white oil, and filler is titanium oxide or silicon-dioxide.
2, preparation technology:
By proportioning raw material is stirred about 10min until mixing with impeller, after change in the twin screw extruder and melt extrude, barrel temperature is: back segment 160-180 ℃, stage casing 170-200 ℃, leading portion 180-205 ℃; Die head temperature 190-205 ℃, head pressure: 3-6MPa extrudes the product that postcooling, granulation can make the oyster white cylindrical pellet.
Advantage of the present invention is:
It is toughner that the present invention adopts ethene copolymer (multipolymers of aliphatics alkene such as ethene and propylene, hexene).Compare with polydiene, ethene copolymer has characteristics such as good stability, ageing-resistant, easy processing.Need only be on twin screw extruder blended melting just extrude and can implement toughening modifying, technology controlling and process is simple, and can regulate the toughness of material as required immediately, has the characteristics of low-cost and high-performance.The simple beam notched Izod impact strength, PS:0.8～1.5KJ/m 2, HIPS:5～15, ABS:5～20KJ/m 2, and polystyrene alloy material of the present invention is 5～30KJ/m 2, not only far above HIPS, also be higher than general A BS, be suitable for industriallization, have extensive market prospects.By the cost that the market present price is calculated, PS:6000～9000 yuan/ton, HIPS:7000～10000, ABS:9000～15000 yuan/electricity, the polystyrene alloy that the present invention makes: 7000 yuan/ton.
Embodiment
Embodiment
Figure BSA00000325447300021

Claims (3)

1. high-toughness polystyrene alloy is characterized in that prescription is:
The raw material consumption
100 parts of PS
5～35 parts of ethylene copolymers
1～20 part of expanding material
0.1～5 part of stablizer
0～5 part of processing aid
0～30 part of filler
2. a kind of high-toughness polystyrene alloy according to claim 1; It is characterized in that: said ethylene copolymer is the multipolymer of ethene and aliphatics alkene; Expanding material is the styrene-butadiene-styrene multipolymer; Stablizer is antioxidant 1010 and DLTP, and processing aid is that filler is titanium oxide or silicon-dioxide from oil.
3. the preparation technology of a kind of high-toughness polystyrene alloy according to claim 1; It is characterized in that: raw material is stirred about 10min until mixing with impeller by proportioning; After change in the twin screw extruder and melt extrude; Barrel temperature is: back segment 160-180 ℃, and stage casing 170-200 ℃, leading portion 180-205 ℃; Die head temperature 190-205 ℃, head pressure: 3-6MPa extrudes the product that postcooling, granulation can make the oyster white cylindrical pellet.
CN2010105260933A 2010-11-01 2010-11-01 Polystyrene alloy with high toughness and preparation technology thereof Pending CN102453286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105260933A CN102453286A (en) 2010-11-01 2010-11-01 Polystyrene alloy with high toughness and preparation technology thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105260933A CN102453286A (en) 2010-11-01 2010-11-01 Polystyrene alloy with high toughness and preparation technology thereof

Publications (1)

Publication Number Publication Date
CN102453286A true CN102453286A (en) 2012-05-16

Family

ID=46037003

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105260933A Pending CN102453286A (en) 2010-11-01 2010-11-01 Polystyrene alloy with high toughness and preparation technology thereof

Country Status (1)

Country Link
CN (1) CN102453286A (en)

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Application publication date: 20120516