CN102964715B - A kind of flaming retarding cold resistant PVC/ABS Alloy And Preparation Method - Google Patents
A kind of flaming retarding cold resistant PVC/ABS Alloy And Preparation Method Download PDFInfo
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- CN102964715B CN102964715B CN201110256504.6A CN201110256504A CN102964715B CN 102964715 B CN102964715 B CN 102964715B CN 201110256504 A CN201110256504 A CN 201110256504A CN 102964715 B CN102964715 B CN 102964715B
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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
- B29C48/03—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
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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
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92885—Screw or gear
-
- 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 belongs to high polymer alloy technical field, relate to a kind of PVC/acrylonitrile-styrene-butadiene copolymer Alloy And Preparation Method, this PVC/acrylonitrile-styrene-butadiene copolymer alloy comprises following component and weight part thereof: polyvinyl chloride 100 parts, acrylonitrile-butadiene-styrene copolymer 30-100 part, cold resistant plasticizer 10-50 part, fire retardant 15-30 part, compatilizer 6-20 part, thermo-stabilizer 1-10 part, oxidation inhibitor 0.2-2 part, processing aid 0.2-10 part.PVC/ABS alloy of the present invention, technical process is short, while maintenance PVC flame retardant properties, improves the cold tolerance of product, expands the use range of product.
Description
Technical field
The invention belongs to high polymer alloy technical field, relate to a kind of polyvinyl chloride (PVC)/acrylonitrile-butadiene-styrene copolymer (ABS) Alloy And Preparation Method.
Background technology
PVC is thermally sensitive resin, and melt viscosity is high, contour machining procedure narrow scope, and processing characteristics is undesirable, wherein shock resistance, and particularly low-temperature impact resistance is poor.So just limit the range of application of PVC material.ABS resin is the abbreviation of acrylonitrile-butadiene-styrene copolymer, has good over-all properties, has higher shock strength and surface transport in wide temperature range.PVC/ABS alloy makes up for each other's deficiencies and learn from each other in performance, domestic mainly flame-retardant modified more to PVC/ABS alloy at present, as CN101899192A low-smoke fireproof PVC/ABS Alloy And Preparation Method, CN101857707A environment-friendly type PVC/ABS plastic alloy material and preparation method thereof, but the winter hardiness of PVC especially low-temperature impact resistance is poor, which limits the use range of PVC/ABS, and also have research to the patent of independent PVC winter hardiness, as CN101967250A cold-resistant temperature-resistant flame-retardant surface migration-resistant polrvinyl just describes the winter hardiness increasing PVC by cold resistant plasticizer.
Summary of the invention
Object of the present invention is just all weak points for PVC itself and provides a kind of flaming retarding cold resistant PVC/ABS Alloy And Preparation Method.
For achieving the above object, the present invention by the following technical solutions:
A kind of PVC/ABS alloy, comprises following component and weight part thereof:
PVC 100 parts,
ABS 30-100 part,
Cold resistant plasticizer 10-50 part,
Fire retardant 15-30 part,
Compatilizer 6-20 part,
Thermo-stabilizer 1-10 part,
Oxidation inhibitor 0.2-2 part,
Processing aid 0.2-10 part.
The preferred 900-1500 of the polymerization degree of described PVC.
Described cold resistant plasticizer selects the one in Octyl adipate (DOA) or dioctyl sebacate (DOS) etc.
Described fire retardant is that brominated flame retardant and antimonous oxide are composite, and wherein the ratio of brominated flame retardant and antimonous oxide is 1: 1 ~ 3: 1.
Described brominated flame retardant is TDE, tetrabromo-bisphenol or decabromodiphynly oxide.
Described compatilizer is the one or more than one in the segmented copolymer (thermoplastic elastomer SBS) of chlorinatedpolyethylene (CPE), vinylbenzene and divinyl, acrylic polymer (ACR).
Described thermo-stabilizer is calcium stearate Ca (C
17h
35cOO)
2, lead stearate Pb (C
17h
35cOO)
2or barium stearate Ba (C
17h
35cOO)
2in one or more.
Described oxidation inhibitor is DLTP (Tyox B), four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] one or more of pentaerythritol ester (antioxidant 1010) or β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester (antioxidant 1076) etc.
Described processing aid is EBS (N, N '-ethylene bis stearamide).
A preparation method for above-mentioned PVC/acrylonitrile-styrene-butadiene copolymer alloy, comprises following steps:
(1) first according to the above ratio, precise polyvinyl chloride, cold resistant plasticizer, fire retardant, thermo-stabilizer and oxidation inhibitor;
(2) above-mentioned raw materials is dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, then proceed in screw extrusion press, extrude and granulation, obtain flaming retarding cold resistant polyvinyl chloride granules;
(3) then acrylonitrile-butadiene-styrene copolymer, compatilizer, processing aid and flaming retarding cold resistant polyvinyl chloride granules obtained above are added in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature;
(4) proceed in twin screw extruder after taking out, extruding pelletization, can obtain flaming retarding cold resistant PVC/acrylonitrile-styrene-butadiene copolymer alloy.
In described step (1), the temperature of each section of forcing machine is 150 ~ 190 DEG C;
In described step (4), the temperature range of each section of forcing machine is 150 ~ 220 DEG C, and screw speed is 200 ~ 400 revs/min.
The Reasonable adjustment of the present invention ratio of PVC and ABS, significantly can improve the mechanical property of alloy, and in the alloy cold resistant plasticizer add the processibility can improving PVC while make material at-30 DEG C, still have the toughness added; Adding of fire retardant can make the flame retardant properties of alloy reach the requirement of U.S. UL94V-0 level; Adding of compatilizer, can make PVC and ABS can be compatible well, make the comprehensive mechanical performance of PVC/ABS reach optimum regime; Adding of thermo-stabilizer, PVC/ABS can be made to prevent from, in the PVC course of processing, thermolysis occurs; Adding of oxidation inhibitor, PVC/ABS alloy is made again to have stronger resistance of oxidation; Adding of processing aid, PVC/ABS alloy is made to have good processing characteristics.
The invention has the advantages that:
Flaming retarding cold resistant PVC/ABS alloy of the present invention, technical process is short, while maintenance PVC flame retardant properties, improves the cold tolerance of product, expands the use range of product.
Embodiment
First in the ratio that invention formula provides, precise raw material, PVC and cold resistant plasticizer, fire retardant, thermo-stabilizer, oxidation inhibitor are dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, proceed in screw extrusion press, extrude at 150 ~ 190 DEG C and granulation, obtain flaming retarding cold resistant PVC pellet.Then ABS resin, compatilizer, processing aid and flaming retarding cold resistant PVC pellet obtained above are added in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature, proceed to after taking-up in twin screw extruder, extruding pelletization at 150 ~ 220 DEG C, can obtain flame-retardant and anti-static PVC/ABS, screw speed is 200 ~ 400 revs/min.
Flaming retarding cold resistant PVC/ABS alloy of the present invention, technical process is short, while maintenance PVC flame retardant properties, improves the cold tolerance of product, expands the use range of product.
The preferred 900-1500 of the polymerization degree of the PVC in above-mentioned formula.ABS is vinyl cyanide, divinyl, cinnamic interpolymer.The one of cold resistant plasticizer mainly in Octyl adipate (DOA) or dioctyl sebacate (DOS) etc., the consumption of cold resistant plasticizer is that 100 parts of PVC are to the cold resistant plasticizer of 10-50 part.Fire retardant adopt brominated flame retardant and antimonous oxide composite.Compatilizer is the one or more than one in CPE, SBS, ACR.Stablizer adopts fatty acid salt.Oxidation inhibitor is the one or more than one in DLTP, 1010,1076.Processing aid is EBS.
Embodiment 1
(1) first precise PVC, cold resistant plasticizer, fire retardant, thermo-stabilizer, oxidation inhibitor, its composition and deal are distinguished as follows:
PVC 100 parts,
ABS 30 parts,
Cold resistant plasticizer dioctyl sebacate (DOS) 10 parts,
TDE 10 parts,
Antimonous oxide 5 parts,
Compatilizer chlorinatedpolyethylene 8 parts,
Thermo-stabilizer calcium stearate 1 part,
Antioxidant 1010 0.2 part,
Processing aid EBS 0.2 part;
(2) above-mentioned raw materials is dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, then proceed in screw extrusion press, extrude at 150 ~ 190 DEG C and granulation, obtain flaming retarding cold resistant PVC pellet;
(3) then ABS resin, compatilizer, processing aid and flaming retarding cold resistant PVC pellet obtained above, add in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature.
(4) proceed in twin screw extruder after taking out, extruding pelletization at 150 ~ 220 DEG C, can obtain flaming retarding cold resistant PVC/ABS alloy, and screw speed is 200 ~ 400 revs/min.
Embodiment 2
(1) first precise PVC, cold resistant plasticizer, fire retardant, thermo-stabilizer, oxidation inhibitor, its composition and deal are distinguished as follows:
PVC 100 parts,
ABS 80 parts,
Cold resistant plasticizer dioctyl sebacate (DOS) 25 parts,
Decabromodiphynly oxide 15 parts,
Antimonous oxide 5 parts,
Compatilizer SBS 13 parts,
Thermo-stabilizer lead stearate 5 parts,
Anti-oxidant DLTP 1.5 parts,
Processing aid EBS 4 parts;
(2) above-mentioned raw materials is dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, then proceed in screw extrusion press, extrude at 150 ~ 190 DEG C and granulation, obtain flaming retarding cold resistant PVC pellet;
(3) then ABS resin, compatilizer, processing aid and flaming retarding cold resistant PVC pellet obtained above are added in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature;
(4) proceed in twin screw extruder after taking out, extruding pelletization at 150 ~ 220 DEG C, can obtain flaming retarding cold resistant PVC/ABS, and screw speed is 200 ~ 400 revs/min.
Embodiment 3
(1) first precise PVC, cold resistant plasticizer, fire retardant, thermo-stabilizer, oxidation inhibitor, its composition and deal are distinguished as follows:
PVC 100 parts,
ABS 100 parts,
Cold resistant plasticizer Octyl adipate (DOA) 50 parts,
Tetrabromo-bisphenol 20 parts,
Antimonous oxide 10 parts,
Compatilizer ACR 20 parts,
Thermo-stabilizer barium stearate 8 parts,
Antioxidant 1076 2 parts,
Processing aid EBS 10 parts;
(2) above-mentioned raw materials is dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, then proceed in screw extrusion press, extrude at 150 ~ 190 DEG C and granulation, obtain flaming retarding cold resistant PVC pellet;
(3) then ABS resin, compatilizer, processing aid and flaming retarding cold resistant PVC pellet obtained above, add in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature.
(4) proceed in twin screw extruder after taking out, extruding pelletization at 150 ~ 220 DEG C, can obtain flaming retarding cold resistant PVC/ABS, and screw speed is 200 ~ 400 revs/min.
Performance test:
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Notched Izod impact strength | 14KJ/m 2 | 12KJ/m 2 | 11KJ/m 2 |
| Tensile strength | 42MPa | 40MPa | 38MPa |
| Flexural strength | 60MPa | 59MPa | 57MPa |
| Heat-drawn wire | 75℃ | 76℃ | 78℃ |
| Fire-retardant rank | UL94V-0 | UL94V-0 | UL94V-0 |
| Winter hardiness (-30 DEG C of ball falling impacts) | Do not break | Do not break | Do not break |
As seen from the above-described embodiment: while PVC/ABS alloy material of the present invention keeps PVC flame retardant properties, also there is excellent low temperature impact performance.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, 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 (7)
1. PVC/acrylonitrile-styrene-butadiene copolymer alloy, is characterized in that: it comprises following component and weight part thereof:
The polymerization degree of described polyvinyl chloride is 900-1500;
Described cold resistant plasticizer is Octyl adipate or dioctyl sebacate;
Described fire retardant is that brominated flame retardant and antimonous oxide are composite, and wherein the ratio of brominated flame retardant and antimonous oxide is 1:1 ~ 3:1.
2. PVC/acrylonitrile according to claim 1-styrene-butadiene copolymer alloy, is characterized in that: described brominated flame retardant is TDE, tetrabromo-bisphenol or decabromodiphynly oxide.
3. PVC/acrylonitrile according to claim 1-styrene-butadiene copolymer alloy, is characterized in that: described compatilizer is more than one in the segmented copolymer of chlorinatedpolyethylene, vinylbenzene and divinyl or acrylic polymer.
4. PVC/acrylonitrile according to claim 1-styrene-butadiene copolymer alloy, is characterized in that: described thermo-stabilizer is more than one in calcium stearate, lead stearate or barium stearate.
5. PVC/acrylonitrile according to claim 1-styrene-butadiene copolymer alloy, it is characterized in that: described oxidation inhibitor is Tyox B, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] more than one in pentaerythritol ester or β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester.
6. PVC/acrylonitrile according to claim 1-styrene-butadiene copolymer alloy, is characterized in that: described processing aid is N, N '-ethylene bis stearamide.
7. the preparation method of arbitrary described PVC/acrylonitrile-styrene-butadiene copolymer alloy in the claims 1-6, is characterized in that: comprise following steps:
(1) first in ratio according to claim 1, precise polyvinyl chloride, cold resistant plasticizer, fire retardant, thermo-stabilizer and oxidation inhibitor;
(2) above-mentioned raw materials is dropped in high-speed mixer, carry out high-speed mixing 5 ~ 10 minutes, then proceed in screw extrusion press, extrude and granulation, obtain flaming retarding cold resistant polyvinyl chloride granules;
(3) then acrylonitrile-butadiene-styrene copolymer, compatilizer, processing aid and flaming retarding cold resistant polyvinyl chloride granules obtained above are added in high-speed mixer, high-speed mixing 5 ~ 10 minutes under room temperature;
(4) proceed in twin screw extruder after taking out, extruding pelletization, can obtain flaming retarding cold resistant PVC/acrylonitrile-styrene-butadiene copolymer alloy;
In described step (2), the temperature of each section of forcing machine is 150 ~ 190 DEG C;
In described step (4), the temperature range of each section of forcing machine is 150 ~ 220 DEG C, and screw speed is 200 ~ 400 revs/min.
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| CN103254531A (en) * | 2013-05-27 | 2013-08-21 | 常州大学 | Flame-retardant PVC (polyvinyl chloride) composite material and preparation method thereof |
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| CN103319800A (en) * | 2013-06-18 | 2013-09-25 | 常熟市佳泰金属材料有限公司 | Toughened flame-retardant PVC (Poly Vinyl Chloride) composite material |
| CN104277354A (en) * | 2013-12-28 | 2015-01-14 | 扬州市苏花电子科技有限公司 | Plastic material |
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| CN112063097A (en) * | 2020-09-07 | 2020-12-11 | 海信（山东）冰箱有限公司 | Refrigerator, refrigerator drawer, injection molding material for refrigerator and preparation method of injection molding material |
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