CN103059545A - Preparation method of flame retardant PC/ABS (poly carbonate/acrylonitrile butadiene styrene) alloy - Google Patents
Preparation method of flame retardant PC/ABS (poly carbonate/acrylonitrile butadiene styrene) alloy Download PDFInfo
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- CN103059545A CN103059545A CN2013100346768A CN201310034676A CN103059545A CN 103059545 A CN103059545 A CN 103059545A CN 2013100346768 A CN2013100346768 A CN 2013100346768A CN 201310034676 A CN201310034676 A CN 201310034676A CN 103059545 A CN103059545 A CN 103059545A
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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
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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
- B29C48/78—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
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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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention relates to a preparation method of a flame retardant PC/ABS (poly carbonate/acrylonitrile butadiene styrene) alloy. The method comprises the following steps of: putting PC particles and ABS particles in a vacuum drying box, and drying the PC particles for 2-6hours at 100 DEG C to 120 DEG C, to obtain dry PC particles; drying the ABS particles for 1hour to 5hours at 50 DEG C to 90 DEG C, to obtain dry ABS particles; and mixing the dry PC particles with the dry ABS particles, then adding a flame retardant, a compatilizer, a flexibilizer and a lubricant, mixing uniformly, putting into a double-screw screw conveyer, melting and extruding and then granulating, so as to finally obtain the PC/ABS alloy particles, wherein the temperature of each area of the double-screw screw conveyer is as follows: the temperature of the area I is 200 DEG C to 240 DEG C, the temperature of the area II is 200 DEG C to 240 DEG C, the temperature of the area III is 200 DEG C to 240 DEG C, the temperature of the area IV is 200 DEG C to 240 DEG C, the temperature of the area V is 200 DEG C to 240 DEG C, and the temperature of the area VI is 200 DEG C to 240 DEG C, the standing time of the double-screw is 1minute to 3minutes, and the rotation speed of a host is 200-500rp. The preparation method provided by the invention is simple and convenient, and is suitable for large-scale popularization.
Description
Technical field
The present invention relates to field of polymer technology, specifically, the present invention relates to the preparation method of a kind of fire retardation PC/ABS alloy.
Background technology
Polycarbonate (PC) is a kind of engineering plastics of excellent performance, but have poor, the easy stress cracking of processing fluidity, to shortcomings such as breach are responsive, easy to wear, chemical proofing is poor, on the high side, its application in a lot of fields is restricted.The performance of acrylonitrile-butadiene-styrene (ABS) (ABS) is between engineering plastics and general-purpose plastics.In order to satisfy the fire safety requirement in actual applications of PC/ABS alloy, research halogen-free environment-friendly type PC/ABS alloy material becomes the focus of flame retardant area.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of fire retardation PC/ABS alloy.
In order to realize purpose of the present invention, the invention provides the preparation method of a kind of fire retardation PC/ABS alloy, the method comprises the following steps: PC pellet and ABS pellet are placed vacuum drying oven, and the PC pellet makes dry PC pellet at 100-120 ℃ of lower dry 2-6h; The ABS pellet makes dry ABS pellet at 50-90 ℃ of lower dry 1-5h; After the PC pellet of drying, ABS pellet mixed, add again fire retardant, compatilizer, toughner and lubricant, mix and be placed in the twin screw screw machine, granulation after melt extruding, make the PC/ABS alloy granule, the temperature of respectively distinguishing of twin screw screw machine is respectively: district's temperature a: 200-240 ℃, two district's temperature: 200-240 ℃, two district's temperature: 200-240 ℃, four district's temperature: 200-240 ℃, five district's temperature: 200-240 ℃, six district's temperature: 220-240 ℃; Twin screw residence time 1-3min, engine speed: 200-500rpm.
Preferably, the method comprises the following steps: PC pellet and ABS pellet are placed vacuum drying oven, and the PC pellet makes dry PC pellet at 115 ℃ of lower dry 5h; The ABS pellet makes dry ABS pellet at 80 ℃ of lower dry 3h; After the PC pellet of drying, ABS pellet mixed, add again fire retardant, compatilizer, toughner and lubricant, mix and be placed in the twin screw screw machine, granulation after melt extruding, make the PC/ABS alloy granule, the temperature of respectively distinguishing of twin screw screw machine is respectively: district's temperature: 220 ℃, two district's temperature: 230 ℃, two district's temperature: 230 ℃, four district's temperature: 235 ℃, five district's temperature: 230 ℃, six district's temperature: 230 ℃; Twin screw residence time 1.5min, engine speed: 400rpm.
More preferably, polycarbonate, ABS resin, fire retardant, compatilizer, toughner and lubricant are counted with weight part: the fire retardant of 80-150 part polycarbonate, 40-70 part ABS resin, 12-30 part, the compatilizer of 1-10 part, the toughner of 1-10 part and the lubricant of 1-5 part.
More preferably, polycarbonate, ABS resin, fire retardant, compatilizer, toughner and lubricant are counted with weight part: 100 parts of polycarbonate, 60 parts of ABS resin, 20 parts fire retardant, 5 parts compatilizer, 4 parts toughner and 1 part lubricant.
More preferably, described fire retardant is one or more in poly aryl phosphate ester, magnesium hydroxide, hydrated barta and the perfluoro butyl potassium sulfonate.
More preferably, described fire retardant is poly aryl phosphate ester, magnesium hydroxide, hydrated barta and perfluoro butyl potassium sulfonate.
More preferably, described compatilizer is chlorinatedpolyethylene.
More preferably, described toughner is EVA.
More preferably, described lubricant is oleic acid.
The method of the invention is simple and convenient, is suitable for large-scale promotion.
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.
Polycarbonate (PC), Bayer A.G; ABS resin, Taiwan Qimei Industry Co., Ltd.; The poly aryl phosphate ester, Zhejiang Wansheng Co., Ltd.; The perfluoro butyl potassium sulfonate, Mitsubishi KCC; Chlorinatedpolyethylene, the grand good fortune plastic cement in Weifang company limited; Oleic acid, the prosperous grease processing of Laohekou City strength company limited.
Embodiment 1
Take by weighing double centner polycarbonate, 60 kilograms of ABS resin, 20 kilograms fire retardant, 5 kilograms chlorinatedpolyethylene, 4 kilograms EVA and 1 kilogram oleic acid, wherein said fire retardant is 8 kilograms poly aryl phosphate ester, 3 kilograms magnesium hydroxide, 2 kilograms hydrated barta and 7 kilograms fluorine butyl sulfonic acid potassium.
PC pellet and ABS pellet are placed vacuum drying oven, and the PC pellet makes dry PC pellet at 115 ℃ of lower dry 5h; The ABS pellet makes dry ABS pellet at 80 ℃ of lower dry 3h.After the PC pellet of drying, ABS pellet mixed, add fire retardant, chlorinatedpolyethylene, EVA and oleic acid again, mix and be placed in the twin screw screw machine, granulation after melt extruding makes the PC/ABS alloy granule.The temperature of respectively distinguishing of twin screw screw machine is respectively: district's temperature: 220 ℃, two district's temperature: 230 ℃, two district's temperature: 230 ℃, four district's temperature: 235 ℃, five district's temperature: 230 ℃, six district's temperature: 230 ℃; Twin screw residence time 1.5min, engine speed: 400rpm.
Embodiment 2
According to preparing the PC/ABS alloy with embodiment 1 identical mode, difference is that described fire retardant is 8 kilograms poly aryl phosphate ester, 5 kilograms magnesium hydroxide and 7 kilograms fluorine butyl sulfonic acid potassium.
Embodiment 3
According to preparing the PC/ABS alloy with embodiment 1 identical mode, difference is that described fire retardant is 8 kilograms poly aryl phosphate ester, 5 kilograms hydrated barta and 7 kilograms fluorine butyl sulfonic acid potassium.
Embodiment 4
According to preparing the PC/ABS alloy with embodiment 1 identical mode, difference is that described fire retardant is 10 kilograms poly aryl phosphate ester and 10 kilograms fluorine butyl sulfonic acid potassium.
Embodiment 5
According to preparing the PC/ABS alloy with embodiment 1 identical mode, difference is that described fire retardant is 8 kilograms poly aryl phosphate ester, 4 kilograms magnesium hydroxide, 1 kilogram hydrated barta and 7 kilograms fluorine butyl sulfonic acid potassium.
Embodiment 6
According to preparing the PC/ABS alloy with embodiment 1 identical mode, difference is that described fire retardant is 8 kilograms poly aryl phosphate ester, 2 kilograms magnesium hydroxide, 3 kilograms hydrated barta and 7 kilograms fluorine butyl sulfonic acid potassium.
Flame retardant test and evaluation
Adopt the UL94 test that flame retardant resistance is estimated.Described UL94 test be by use be used for batten (125mmX13mmX1.6mmm) that flame retardant resistance estimates after the thermostatic chamber of 23 ℃ and 50% relative humidity is placed 48 hours to its UL94 combustion test of carrying out being stipulated by Underwriters Laboratories.Flame retardant test and evaluation result are (fire-retardant rank increases progressively from HB level to V-0 level): V-0 level (embodiment 1), V-2 level (embodiment 2), V-2 level (embodiment 3), V-2 level (embodiment 2), V-1 level (embodiment 5) and V-1 level (embodiment 6).
Claims (9)
1. the preparation method of fire retardation PC/ABS alloy, the method comprises the following steps: PC pellet and ABS pellet are placed vacuum drying oven, and the PC pellet makes dry PC pellet at 100-120 ℃ of lower dry 2-6h; The ABS pellet makes dry ABS pellet at 50-90 ℃ of lower dry 1-5h; After the PC pellet of drying, ABS pellet mixed, add again fire retardant, compatilizer, toughner and lubricant, mix and be placed in the twin screw screw machine, granulation after melt extruding, make the PC/ABS alloy granule, the temperature of respectively distinguishing of twin screw screw machine is respectively: district's temperature a: 200-240 ℃, two district's temperature: 200-240 ℃, two district's temperature: 200-240 ℃, four district's temperature: 200-240 ℃, five district's temperature: 200-240 ℃, six district's temperature: 220-240 ℃; Twin screw residence time 1-3min, engine speed: 200-500rpm.
2. the preparation method of fire retardation PC according to claim 1/ABS alloy is characterized in that, PC pellet and ABS pellet are placed vacuum drying oven, and the PC pellet makes dry PC pellet at 115 ℃ of lower dry 5h; The ABS pellet makes dry ABS pellet at 80 ℃ of lower dry 3h; After the PC pellet of drying, ABS pellet mixed, add again fire retardant, compatilizer, toughner and lubricant, mix and be placed in the twin screw screw machine, granulation after melt extruding, make the PC/ABS alloy granule, the temperature of respectively distinguishing of twin screw screw machine is respectively: district's temperature: 220 ℃, two district's temperature: 230 ℃, two district's temperature: 230 ℃, four district's temperature: 235 ℃, five district's temperature: 230 ℃, six district's temperature: 230 ℃; Twin screw residence time 1.5min, engine speed: 400rpm.
3. the preparation method of fire retardation PC according to claim 1 and 2/ABS alloy, it is characterized in that, polycarbonate, ABS resin, fire retardant, compatilizer, toughner and lubricant are counted with weight part: the fire retardant of 80-150 part polycarbonate, 40-70 part ABS resin, 12-30 part, the compatilizer of 1-10 part, the toughner of 1-10 part and the lubricant of 1-5 part.
4. the preparation method of fire retardation PC according to claim 3/ABS alloy, it is characterized in that, polycarbonate, ABS resin, fire retardant, compatilizer, toughner and lubricant are counted with weight part: 100 parts of polycarbonate, 60 parts of ABS resin, 20 parts fire retardant, 5 parts compatilizer, 4 parts toughner and 1 part lubricant.
5. the preparation method of fire retardation PC according to claim 4/ABS alloy is characterized in that, described fire retardant is one or more in poly aryl phosphate ester, magnesium hydroxide, hydrated barta and the perfluoro butyl potassium sulfonate.
6. the preparation method of fire retardation PC according to claim 5/ABS alloy is characterized in that, described fire retardant is poly aryl phosphate ester, magnesium hydroxide, hydrated barta and perfluoro butyl potassium sulfonate.
7. the preparation method of fire retardation PC according to claim 4/ABS alloy is characterized in that, described compatilizer is chlorinatedpolyethylene.
8. the preparation method of fire retardation PC according to claim 4/ABS alloy is characterized in that, described toughner is EVA.
9. the preparation method of fire retardation PC according to claim 4/ABS alloy is characterized in that, described lubricant is oleic acid.
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| CN201310034676.8A CN103059545B (en) | 2013-01-28 | 2013-01-28 | A kind of preparation method of fire retardation PC/ABS |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107296318A (en) * | 2017-06-30 | 2017-10-27 | 福建泉州海滨防护装备有限公司 | A kind of anti-riot helmet and preparation method thereof |
| CN107325511A (en) * | 2017-05-12 | 2017-11-07 | 佛山市合宏泰业科技有限公司 | A kind of PC/ABS alloy materials and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029168A (en) * | 2006-12-22 | 2007-09-05 | 深圳市科聚新材料有限公司 | PC/ABS alloy and its production |
| CN101418118A (en) * | 2008-12-05 | 2009-04-29 | 北京化工大学 | Halogen-free flame retardant PC/ABS alloy and preparation method thereof |
| CN101875766A (en) * | 2009-10-29 | 2010-11-03 | 深圳市科聚新材料有限公司 | Special low-warpage composite material for notebook computer and preparation method thereof |
| CN102020837A (en) * | 2009-09-18 | 2011-04-20 | 苏州汉扬精密电子有限公司 | Halogen-free fire retardant PC/ABS alloy |
| CN102250460A (en) * | 2011-05-22 | 2011-11-23 | 迈士通集团有限公司 | Halogen-free inflaming-retarding conductive PC resin composition, and preparation method thereof |
| CN102516738A (en) * | 2011-12-14 | 2012-06-27 | 深圳市科聚新材料有限公司 | Halogen-free flame-retardant and cold-resistant PC/ABS (Poly Carbonate/Acrylonitrile Butadiene Styrene) material and preparation method thereof |
| CN102558823A (en) * | 2012-02-24 | 2012-07-11 | 北京泰合源通生物科技有限公司 | Polycarbonate and ABS (Acrylonitrile Butadiene Styrene) alloy, and preparation method and application thereof |
-
2013
- 2013-01-28 CN CN201310034676.8A patent/CN103059545B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029168A (en) * | 2006-12-22 | 2007-09-05 | 深圳市科聚新材料有限公司 | PC/ABS alloy and its production |
| CN101418118A (en) * | 2008-12-05 | 2009-04-29 | 北京化工大学 | Halogen-free flame retardant PC/ABS alloy and preparation method thereof |
| CN102020837A (en) * | 2009-09-18 | 2011-04-20 | 苏州汉扬精密电子有限公司 | Halogen-free fire retardant PC/ABS alloy |
| CN101875766A (en) * | 2009-10-29 | 2010-11-03 | 深圳市科聚新材料有限公司 | Special low-warpage composite material for notebook computer and preparation method thereof |
| CN102250460A (en) * | 2011-05-22 | 2011-11-23 | 迈士通集团有限公司 | Halogen-free inflaming-retarding conductive PC resin composition, and preparation method thereof |
| CN102516738A (en) * | 2011-12-14 | 2012-06-27 | 深圳市科聚新材料有限公司 | Halogen-free flame-retardant and cold-resistant PC/ABS (Poly Carbonate/Acrylonitrile Butadiene Styrene) material and preparation method thereof |
| CN102558823A (en) * | 2012-02-24 | 2012-07-11 | 北京泰合源通生物科技有限公司 | Polycarbonate and ABS (Acrylonitrile Butadiene Styrene) alloy, and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325511A (en) * | 2017-05-12 | 2017-11-07 | 佛山市合宏泰业科技有限公司 | A kind of PC/ABS alloy materials and preparation method thereof |
| CN107296318A (en) * | 2017-06-30 | 2017-10-27 | 福建泉州海滨防护装备有限公司 | A kind of anti-riot helmet and preparation method thereof |
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