CN104072970B - A kind of high-temp resistant fire-retarding PC alloy material and preparation method thereof - Google Patents
A kind of high-temp resistant fire-retarding PC alloy material and preparation method thereof Download PDFInfo
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- CN104072970B CN104072970B CN201410337171.3A CN201410337171A CN104072970B CN 104072970 B CN104072970 B CN 104072970B CN 201410337171 A CN201410337171 A CN 201410337171A CN 104072970 B CN104072970 B CN 104072970B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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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
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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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
- B29C2948/9258—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
- B29C2948/92895—Barrel or housing
Abstract
The present invention relates to a kind of high-temp resistant fire-retarding PC alloy material, it is characterized in that the component comprising following weight percentage ratio:
Description
Technical field
The invention belongs to modified-high polymer field, be specifically related to a kind of high-temp resistant fire-retarding PC alloy material, and the preparation method of this PC alloy material.
Background technology
Polycarbonate (hereinafter referred to as PC), while having outstanding impelling strength and the good transparency, dimensional stability and comprehensive mechanical property, also has use temperature wide ranges, resistance to creep, the good characteristics such as weather-proof, nontoxic.Acrylonitrile-butadiene-styrene copolymer (hereinafter referred to as ABS) is that a kind of intensity is high, good toughness, be easy to thermoplastics type's Polymer Materials ' Structure of machine-shaping.PC/ABS combines the excellent properties of PC and ABS, be applied in every field now, but due to the loss of properties on aging of ABS material self, do not there is flame retardant resistance, application in fire-retardant needs to add a large amount of fire retardant to reach flame retardant effect, adds complicacy and the cost of materials processing.Current modal fire retardation PC/ABS is halogen system fire retardation PC/ABS and phosphorus series non-halogen fire retardation PC/ABS.But halogenated flame retardant add the mechanical property that membership reduces material greatly, and can produce when burning to be fuming and sharply increase, corrode processing equipment; Next is phosphorus flame retardant, and this fire retardant can reduce mechanical property and the thermal characteristics of PC.Because general phosphorus fire retardant high-temperature stability is very poor, be liquid under normal temperature, add inconvenience and also easily separate out material surface.
ACS resin is acrylonitrile, chlorinatedpolyethylene, cinnamic terpolymer.ACS resin adopts saturated CPE rubber to instead of undersaturated polybutadiene rubber in ABS resin, although similar to ABS in physical properties, in flame retardant properties, weathering resistance, anti-dust electrostatic deposition and thermal metamorphism etc., is better than ABS.ACS has intrinsic resistibility to dust electrostatic precipitation, and it is that in all shell moulding materials, fire retardancy is the highest.Can comprehensive the two premium properties by PC and ACS resin alloy, performance is formed complementary, it had both had the thermotolerance of PC, dimensional stability and mechanical property, had again the advantages such as good processing fluidity, flame retardant resistance.
The Chinese patent application " a kind of high flame retardant Polycarbonate alloy material and preparation method thereof " being CN103497497A as publication No. discloses the PC alloy material being added with ACS, ACS is added on the flame retardant properties that improve this material to a certain extent, but owing to adding quantitative limitation, and the fire retardancy of single flame retardance element is limited, the fire-retardant performance of this material also and unsatisfactory, especially when after the ACS that with the addition of 20% weight percent, the flame retardant rating of material is still UL94V-2 grade.
Styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer is a kind of high heat resistance modified additive, consistency, the Heat stability is good of it and various resin, and nontoxic.In PC-ACS matrix resin, add this material, the resistance toheat of resin can be improved on the one hand, the flame retardant resistance of resin can be improved on the one hand.It produces the chlorine element in nitrogen element and ACS when material combustion and the carboxyl in PC can form fire-retardant synergy, thus reduces the use of fire retardant, both reduces cost, and maintains again the good mechanical properties of PC alloy resin.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of high-temp resistant fire-retarding PC alloy material, solve the shortcoming that traditional fire retardation PC resin resistance toheat, mechanical property are poor, invention also provides the preparation method of this PC alloy material.
The present invention is achieved through the following technical solutions:
A kind of high-temp resistant fire-retarding PC alloy material, is characterized in that the component comprising following weight per-cent:
As preferably, described PC resin is bisphenol A-type PC resin, middle low viscosity, and melt flow rate (MFR) is 15-20g/10min (300 DEG C/1.2kg);
The melt flow rate (MFR) of described ACS resin is 18-25g/10min (220 DEG C/10kg), described ACS resin adopts mass polymerization preparation, before process for devolatilization, added rare earth calcium zinc composite thermal stabilizer carry out thermostabilization process, chlorinated polyethylene rubber content is 15 ~ 25%;
The weight-average molecular weight of described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer is 22000-26000;
Described lubricant is pentaerythritol ester;
Described oxidation inhibitor is the compound of B215 and 412S.
As preferably, in described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, N-phenylmaleimide weight percent content is 20 ~ 25%, and cyclopentenes weight percent content is 10 ~ 15%.
As preferably, described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes Copolymer Melts flow rate is 20-30g/10min.
A preparation method for high-temp resistant fire-retarding PC alloy, is characterized in that, comprise the steps:
(1) PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer drying and processing in advance;
(2) get PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, lubricant and oxidation inhibitor, mix;
(3) raw material of mixing is put into forcing machine extruding pelletization;
(4) through tie rod, cooling, pelletizing, finally obtains finished product.
As preferably, in described step (1) PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer in advance after drying and processing the moisture content of three below 0.02%.
As preferably, in described step (2), raw material and auxiliary agent are put into high mixer and carry out mixing and discharging, rotating speed is 1000rpm mixing time is 5-10 minute.
As preferably, in described step (3), described forcing machine is parallel dual-screw extruding machine, the length-to-diameter ratio of the screw rod of described twin screw extruder is 36, the rotating speed of screw machine is 150-300rpm, between each section of extruder temperature controls to be 160-245 DEG C, and residence time 1-2 minute.
As preferably, in described twin screw extruder, feeding section temperature is 160-190 DEG C, and melt zone temperature is 200-240 DEG C, and homogenizing zone temperature is 235-245 DEG C, and head temperature is 235-245 DEG C
Compared with prior art, the present invention has following beneficial effect:
The present invention adopts PC, ACS resin as matrix resin, adopt styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer as functional heat-proof modifier, obtained a kind of high-temp resistant fire-retarding PC alloy, on the basis remaining the original excellent mechanical property of PC resin, avoid the defect adopting traditional phosphoric acid ester halogen-free flame retardants to cause plasticization effect to cause product resistance toheat to decline to a great extent.
Utilize the cooperative flame retardant effect between the chlorine element in the nitrogen element of styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer and ACS resin, carboxyl in PC resin, ensureing under the condition of additionally not adding fire retardant, product flame retardant rating can reach V-0 level, simplify formula and compounding process, reduce production cost further.
High-temp resistant fire-retarding PC composition provided by the present invention adopts the styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer (hereinafter referred to as SAN resin) of stating containing N-phenylmaleimide group to provide source of the gas as synergistic flame-retarded resin, give full play to chloro-phosphorus-nitrogen coordinated fire-retardant effect, slow down flame transmission speed, improve the flame retardant properties of PC material.The composite use of oxidation inhibitor B900 and 412S, can effectively suppress high temperature xanthochromia.Gained heat-resistant fireproof PC composition excellent flame retardancy, heat-drawn wire is high, and comprehensive mechanical property is good, moderate cost.Product can be widely used in the fields such as electronics, electrical equipment, communication, instrument, illumination.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
PC-1 selects the PC115 (melt flow rate (MFR)=15g/10min) of Taiwan Qi Mei company.
PC-2 selects 2405 (melt flow rate (MFR)=20g/10min) of Bayer A.G.
The general purpose grade ACS that ACS-1 selects Ningbo Oceanking Chemical Development Co., Ltd. to produce, chlorinated polyethylene rubber content is 15%, and melt flow rate (MFR) is 25g/10min.
The general purpose grade ACS that ACS-2 selects Ningbo Oceanking Chemical Development Co., Ltd. to produce, chlorinated polyethylene rubber content is 25%, and melt flow rate (MFR) is 18g/10min.
Styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer that SAN-1 selects Ningbo Oceanking Chemical Development Co., Ltd. to produce, weight-average molecular weight is about 22000g/mol, N-phenylmaleimide content is 25%, and cyclopentenes content is 15%, melt flow rate (MFR)=30g/10min.
Styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer that SAN-2 selects Ningbo Oceanking Chemical Development Co., Ltd. to produce, weight-average molecular weight is about 26000g/mol, N-phenylmaleimide content is 20%, and cyclopentenes content is 10%, melt flow rate (MFR)=20g/10min.
SAN-3 is selected from the 80HF of LG, melt flow rate (MFR)=24g/10min.
The PETS that lubricant selects U.S. dragon husky.
Oxidation inhibitor selects B215,412S of Tianjin Li Anlong.
The formula of embodiment 1-8 and comparative example 1-4 is in table 1.
Table 1 is filled a prescription
In upper table, the preparation method of embodiment 1-4 follows these steps to carry out:
1, dry 6h, the ACS resin of PC resin 120 DEG C and styrene-acrylonitrile-N-phenylmaleimide-dry 4h of cyclopentenes multipolymer 80 DEG C;
2, PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, oxidation inhibitor and lubricant is taken by weight ratio; Above-mentioned raw materials and auxiliary agent are put into high mixer with the discharging in 10 minutes of 1000rpm high-speed mixing;
3, the raw material of mixing is put into parallel dual-screw extruding machine extruding pelletization.The length-to-diameter ratio of twin screw extruder used is 36, and the rotating speed of screw machine is 150rpm, and between each section of extruder temperature controls to be 160-235 DEG C, 2 minutes residence time, wherein feeding section is 160 DEG C, and melt zone is 200 DEG C, and homogenizing zone is 235 DEG C, and head is 235 DEG C.
4, through tie rod, cooling, pelletizing, finally obtains finished product.
In upper table, the preparation method of embodiment 5-8 follows these steps to carry out:
1, dry 6h, the ACS resin of PC resin 120 DEG C and styrene-acrylonitrile-N-phenylmaleimide-dry 4h of cyclopentenes multipolymer 80 DEG C;
2, PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, oxidation inhibitor and lubricant is taken by weight ratio; Above-mentioned raw materials and auxiliary agent are put into high mixer with the discharging in 10 minutes of 1000rpm high-speed mixing;
3, the raw material of mixing is put into parallel dual-screw extruding machine extruding pelletization.The length-to-diameter ratio of twin screw extruder used is 36, and the rotating speed of screw machine is 300rpm, and between each section of extruder temperature controls to be 190-245 DEG C, 1 minute residence time, wherein feeding section is 190 DEG C, and melt zone is 240 DEG C, and homogenizing zone is 245 DEG C, and head is 245 DEG C
4, through tie rod, cooling, pelletizing, finally obtains finished product.
In upper table, the preparation of comparative example is with reference to above step.
The halogen-free flame retardant PC composition each embodiment and comparative example prepared is injection molded into standard batten by standard size and carries out various performance test, and testing method is as shown in table 2, and test result is as shown in table 3.
Table 2 performance test methods
| Performance | Testing method | Condition |
| Izod notched Izod impact strength | ISO180 | 3.2mm，23℃ |
| Tensile strength | ISO527 | 3.2mm，50mm/min |
| Flexural strength | ISO178 | 3.2mm，2mm/min |
| Heat-drawn wire | ISO75 | 6.4mm，1.82MPa |
| Flame retardant rating | UL-94 | 3.2mm |
| Oxygen index | GB/T2406 |
Table 3 the performance test results
As can be seen from Table 3: add common SAN very little to the raising of the flame retardant properties of PC/ACS alloy, can only reach V-1 level, oxygen index 23%, heat-drawn wire is lower; And add styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer as heat-resisting additive, effectively can improve the heat-drawn wire of PC/ACS resin alloy.By the multipolymer of SAN and N-phenylmaleimide-cyclopentenes and PC/ACS alloy blended, the resistance toheat of PC/ACS alloy can be improved on the one hand, on the one hand can synergistic flame-retarded resin, source nitrogen is provided when material combustion, chloro-phosphorus-nitrogen coordinated fire-retardant effect is formed with the chlorine element in ACS, under the prerequisite of not adding combustion inhibitor special, make the flame retardant rating of PC alloy material reach V-0 level, oxygen index brings up to more than 30%.Owing to not adding special fire retardant in addition, the mechanical property of material obtains good maintenance, and simplifies formula and compounding process, reduces production cost further.
Claims (8)
1. a high-temp resistant fire-retarding PC alloy material, is characterized in that the component comprising following weight per-cent:
Wherein, in described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, N-phenylmaleimide weight percent content is 20-25%, and cyclopentenes weight percent content is 10-15%.
2. a kind of high-temp resistant fire-retarding PC alloy material according to claim 1, is characterized in that, described PC resin is bisphenol A-type PC resin, and melt flow rate (MFR) is 15-20g/10min;
The melt flow rate (MFR) of described ACS resin is 18-25g/10min;
The weight-average molecular weight of described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer is 22000-26000;
Described lubricant is pentaerythritol ester;
Described oxidation inhibitor is the compound of B215 and 412S.
3. a kind of high-temp resistant fire-retarding PC alloy material according to claim 2, is characterized in that, described styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes Copolymer Melts flow rate is 20-30g/10min.
4. the preparation method of a kind of high-temp resistant fire-retarding PC alloy described in any one of the claims, is characterized in that, comprise the steps:
(1) PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer drying and processing in advance;
(2) get PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer, lubricant and oxidation inhibitor, mix;
(3) raw material of mixing is put into forcing machine extruding pelletization;
(4) through tie rod, cooling, pelletizing, finally obtains finished product.
5. the preparation method of a kind of high-temp resistant fire-retarding PC alloy material according to claim 4, it is characterized in that, in described step (1) PC, ACS, styrene-acrylonitrile-N-phenylmaleimide-cyclopentenes multipolymer in advance after drying and processing the moisture content of three below 0.02%.
6. the preparation method of a kind of high-temp resistant fire-retarding PC alloy material according to claim 4, it is characterized in that, in described step (2), raw material and auxiliary agent are put into high mixer and carry out mixing and discharging, rotating speed is 1000rpm mixing time is 5-10 minute.
7. the preparation method of a kind of high-temp resistant fire-retarding PC alloy material according to claim 4, it is characterized in that, in described step (3), described forcing machine is parallel dual-screw extruding machine, the length-to-diameter ratio of the screw rod of described twin screw extruder is 36, the rotating speed of screw machine is 150-300rpm, between each section of extruder temperature controls to be 160-245 DEG C, and residence time 1-2 minute.
8. the preparation method of a kind of high-temp resistant fire-retarding PC alloy material according to claim 7, it is characterized in that, in described twin screw extruder, feeding section temperature is 160-190 DEG C, and melt zone temperature is 200-240 DEG C, homogenizing zone temperature is 235-245 DEG C, and head temperature is 235-245 DEG C.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382228A (en) * | 2011-09-02 | 2012-03-21 | 宁波镇洋化工发展有限公司 | SAN (styrene-acrylonitrile copolymer) preparation method |
| CN102702639A (en) * | 2012-05-30 | 2012-10-03 | 宁波镇洋化工发展有限公司 | Glass fiber reinforced styrene-acrylonitrile-N-phenylmaleimide-cyclic olefin copolymer compound |
| CN102702660A (en) * | 2012-05-30 | 2012-10-03 | 宁波镇洋化工发展有限公司 | Halogen-free and flame retardant ACS (Acrylonitrile-Chlorinated polyethylene-Styrene)/PC (Poly Carbonate) alloy |
| CN103351588A (en) * | 2013-05-30 | 2013-10-16 | 宁波镇洋化工发展有限公司 | Phosphorus-silicon compounded flame-retardant PC resin |
| CN103497497A (en) * | 2013-09-22 | 2014-01-08 | 安徽科聚新材料有限公司 | High flame retardance polycarbonate (PC) alloy material and preparation method thereof |
-
2014
- 2014-07-15 CN CN201410337171.3A patent/CN104072970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382228A (en) * | 2011-09-02 | 2012-03-21 | 宁波镇洋化工发展有限公司 | SAN (styrene-acrylonitrile copolymer) preparation method |
| CN102702639A (en) * | 2012-05-30 | 2012-10-03 | 宁波镇洋化工发展有限公司 | Glass fiber reinforced styrene-acrylonitrile-N-phenylmaleimide-cyclic olefin copolymer compound |
| CN102702660A (en) * | 2012-05-30 | 2012-10-03 | 宁波镇洋化工发展有限公司 | Halogen-free and flame retardant ACS (Acrylonitrile-Chlorinated polyethylene-Styrene)/PC (Poly Carbonate) alloy |
| CN103351588A (en) * | 2013-05-30 | 2013-10-16 | 宁波镇洋化工发展有限公司 | Phosphorus-silicon compounded flame-retardant PC resin |
| CN103497497A (en) * | 2013-09-22 | 2014-01-08 | 安徽科聚新材料有限公司 | High flame retardance polycarbonate (PC) alloy material and preparation method thereof |
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