CN110452474A - A kind of production system and technique of anti-flaming ABS material - Google Patents
A kind of production system and technique of anti-flaming ABS material Download PDFInfo
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- CN110452474A CN110452474A CN201910751224.9A CN201910751224A CN110452474A CN 110452474 A CN110452474 A CN 110452474A CN 201910751224 A CN201910751224 A CN 201910751224A CN 110452474 A CN110452474 A CN 110452474A
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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
- B29B9/02—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Fireproofing Substances (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of production system of anti-flaming ABS material and techniques, belong to anti-flaming ABS material production technical field, this production system is first by SAN, ABS, CPE, ACR raw material is blended to obtain ABS functional resin, then again with fire retardant, EBS, auxiliary agent is blended, using double screw extruder copolymerizing and blending technology, through squeezing out, cutting, cooling, it is cooling, it is dry, prepared by success have good flame-retardance, stability, mechanical performance, rheological performance and the controllable environment friendly flame-retardant ABS material of microstructure, by implementing capacity increasing technique to anti-flaming ABS material, its morphosis can be stablized, further increase and stablize the performance of anti-flaming ABS material, improve the compatibility of fire retardant and basis ABS, not only anti-flammability reaches UL-94 to the anti-flaming ABS material of preparation, V - 0 grade, moreover, ABS material mechanical property is not damaged.
Description
Technical field
The present invention relates to anti-flaming ABS material production technical fields, and in particular to a kind of production system of anti-flaming ABS material and
Technique.
Background technique
Flame-proof ABS (acrylonitrile-butadiene-styrene copolymer) material has good impact resistance and heat resistance, resistance to
Low temperature properties, chemical resistance and excellent electrical properties also have the spies such as easy processing, product size are stable, lustrous surface is good
Point is easy coating, coloring, can also carry out the secondary operation such as surface metallization, plating, welding, hot pressing and bonding, answer extensively
It is a kind of thermoplasticity work that purposes is extremely wide for industrial circles such as machinery, automobile, electronic apparatus, instrument and meter, weaving and buildings
Engineering plastics.Existing anti-flaming ABS material production system during anti-flaming ABS material melt molding by the effect of high shear force,
Its form changes, and shows as dispersion phase domain and assembles, is thicker, so that material property be made to change, leads to anti-flaming ABS material
Physical property is poor, stability is poor, and flame retardant property is bad, seriously limits the application of anti-flaming ABS material.In addition, existing resistance
It is relatively easy to fire ABS material production system, causes anti-flaming ABS material rheological performance and microstructure uncontrollable.
Summary of the invention
For above-mentioned technical problem, the present invention provides the production system and technique of a kind of anti-flaming ABS material, first by SAN
(styrene-acrylonitrile), ABS, CPE (Chloropolystyrene), ACR (polyacrylate processing aid) raw material are blended to obtain ABS
Then functional resin is blended with fire retardant, EBS (ethylene bis stearic acid amide), auxiliary agent again, be copolymerized altogether using double screw extruder
Mixed technology is successfully prepared through extrusion, cutting, cooling, cooling, drying with good flame-retardance, stability, mechanical performance, processing
Rheological characteristic and the controllable environment friendly flame-retardant ABS material of microstructure.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of production system of anti-flaming ABS material, including sequentially connected feeder apparatus I, weighing equipment I, batch mixer I,
Batch mixer II, double screw extruder, cutting machine, water-cooled screw conveyor, cooling reactor, drying machine and packing machine, the feed are set
Standby I includes SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus, and the SAN feeder apparatus, ABS are supplied
Material equipment, CPE feeder apparatus, ACR feeder apparatus output end connect with the input terminal of the weighing equipment I, the weighing
The output end of equipment I is connect with the input terminal of the batch mixer I, and the output end of the batch mixer I is defeated with the batch mixer II's
Enter end connection, the output end of the batch mixer II is connect with the input terminal of the double screw extruder, the double screw extruder
Output end connect with the input terminal of the cutting machine, the input of the output end of the cutting machine and the water-cooled screw conveyor
End connection, the output end of the water-cooled screw conveyor are connect with the input terminal of the cooling reactor, the output end of the cooling reactor
It is connect with the input terminal of the drying machine, the output end of the drying machine is connect with the input terminal of the packing machine；It further include supplying
Expect that equipment II and weighing equipment II, the feeder apparatus II include that EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feed are set
Standby, the output end of the EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus is defeated with the weighing equipment II
Enter end connection, the output end of the weighing equipment II is connect with the input terminal of the batch mixer II.
Preferably, the fire retardant feeder apparatus is brominated polyphenylether feeder apparatus, polyacrylic acid pentabromo- benzyl ester (FR-
1025) feeder apparatus, any one in bromination SBS feeder apparatus, are respectively used to supply brominated polyphenylether, FR-1025 and bromine
SBS.
Preferably, the auxiliary agent feeder apparatus includes hydrotalcite, talcum powder, three oxidations for supplying auxiliary agent, the auxiliary agent
Two antimony, calcium stearate, antioxidant, heat stabilizer.
The present invention also provides a kind of production technologies of anti-flaming ABS material, using a kind of anti-flaming ABS material described above
Production system, comprising the following steps:
(1) by SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus supply respectively SAN,
ABS, CPE, ACR raw material, and weighed with weighing equipment I, it is added in batch mixer I, is sufficiently mixed and uniformly obtains ABS functional tree
Rouge, then into batch mixer II；It is supplied respectively by EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus
EBS, fire retardant and auxiliary agent, and weighed with weighing equipment II, it is added in batch mixer II, with the ABS functional tree in batch mixer II
Rouge is sufficiently mixed uniformly；
(2) the above-mentioned material mixed is added in double screw extruder, is warming up to 200 DEG C, material is made to be drawn into silk
Shape object makes material be cut into granular product using cutting machine；
(3) above-mentioned granular product is added in water-cooled screw conveyor and carries out cooling operation, then go to cooling
Continue to be cooled to 40 DEG C in kettle, be transferred in drying machine, be dried in vacuo at 80 DEG C, obtains product after dry and enter packing machine being wrapped
Dress.
Preferably, the fire retardant is brominated polyphenylether, FR-1025, any one in bromination SBS.
Preferably, the auxiliary agent includes hydrotalcite, talcum powder, antimony oxide, calcium stearate, antioxidant, heat stabilizer,
The antioxidant is any one in oxidant 168 and hydroquinone, and the heat stabilizer is barium stearate.
Beneficial effects of the present invention are shown:
1, this production system SAN, ABS, CPE, ACR raw material is blended to obtain ABS functional resin first, then again with it is fire-retardant
Agent, EBS, auxiliary agent are blended, using double screw extruder copolymerizing and blending technology, through extrusion, cutting, cooling, cooling, drying, success
Preparing has good flame-retardance, stability, mechanical performance, rheological performance and the controllable environment friendly flame-retardant ABS material of microstructure
Material can stablize its morphosis, further increase and stablize flame-proof ABS material by implementing capacity increasing technique to anti-flaming ABS material
The performance of material, the compatibility for improving fire retardant and basis ABS do not damage ABS material while increasing ABS material anti-flammability
Mechanical property；
2, use this production system obtained flame-retardant ABS material for white pellet, mechanical strength with higher, good resistance
Combustion property and excellent mobility, shrink of product are small, smooth appearance and have certain covering with paint.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the production system of anti-flaming ABS material of the present invention.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the present invention is further illustrated combined with specific embodiments below:
Embodiment 1:
A kind of production system of anti-flaming ABS material as shown in Figure 1, including sequentially connected feeder apparatus I, weighing equipment
I, batch mixer I, batch mixer II, double screw extruder, cutting machine, water-cooled screw conveyor, cooling reactor, drying machine and packing machine,
The feeder apparatus I includes SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus, the SAN feed
Equipment, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus output end with the input terminal of the weighing equipment I connect
It connects, the output end of the weighing equipment I is connect with the input terminal of the batch mixer I, and the output end of the batch mixer I is mixed with described
The input terminal of material machine II connects, and the output end of the batch mixer II is connect with the input terminal of the double screw extruder, described double
The output end of screw extruder is connect with the input terminal of the cutting machine, and the output end of the cutting machine and the water-cooling spiral are defeated
The input terminal of machine is sent to connect, the output end of the water-cooled screw conveyor is connect with the input terminal of the cooling reactor, the cooling
The output end of kettle is connect with the input terminal of the drying machine, and the input terminal of the output end of the drying machine and the packing machine connects
It connects；It further include feeder apparatus II and weighing equipment II, the feeder apparatus II includes EBS feeder apparatus, fire retardant feeder apparatus
With auxiliary agent feeder apparatus, the output end of the EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus with the title
The input terminal connection of equipment II is measured, the output end of the weighing equipment II is connect with the input terminal of the batch mixer II.
The fire retardant feeder apparatus is brominated polyphenylether feeder apparatus, FR-1025 feeder apparatus, bromination SBS feed are set
Any one in standby, is respectively used to supply brominated polyphenylether, FR-1025 and bromination SBS.The auxiliary agent feeder apparatus is for supplying
Auxiliary agent is answered, the auxiliary agent includes hydrotalcite, talcum powder, antimony oxide, calcium stearate, antioxidant, heat stabilizer.
Embodiment 2
A kind of production technology of anti-flaming ABS material, using a kind of production system of anti-flaming ABS material described in embodiment 1,
The following steps are included:
(1) by SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus supply respectively SAN,
ABS, CPE, ACR raw material, and weighed with weighing equipment I, it is added in batch mixer I, is sufficiently mixed and uniformly obtains ABS functional tree
Rouge, then into batch mixer II；It is supplied respectively by EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus
(auxiliary agent is by hydrotalcite, talcum powder, antimony oxide, calcium stearate, oxidant for EBS, fire retardant FR -1025 and auxiliary agent
168, barium stearate forms), and weighed with weighing equipment II, it is added in batch mixer II, with the ABS functional tree in batch mixer II
Rouge is sufficiently mixed uniformly；
(2) the above-mentioned material mixed is added in double screw extruder, is warming up to 200 DEG C, material is made to be drawn into silk
Shape object makes material be cut into granular product using cutting machine；
(3) above-mentioned granular product is added in water-cooled screw conveyor and carries out cooling operation, then go to cooling
Continue to be cooled to 40 DEG C in kettle, be transferred in drying machine, be dried in vacuo at 80 DEG C, obtains product after dry and enter packing machine being wrapped
Dress.
Wherein, the parts by weight of each raw material are as follows in above-mentioned production technology: 33 parts of SAN, 19 parts of ABS, 20 parts of CPE,
5 parts of ACR, 0.2 part of EBS, 5 parts of FR-1025,0.02 part of hydrotalcite, 0.05 part of talcum powder, 0.02 part of antimony oxide, tristearin
0.02 part of sour calcium, 168 0.02 parts of oxidant, 0.02 part of barium stearate.
The resulting anti-flaming ABS material of the present embodiment 2 is subjected to performance characterization, test result: tensile strength 39MPa, bending
Intensity 64MPa, 88 DEG C of heat distortion temperature, anti-flammability uL-94, V-O grade, not only anti-flammability reaches UL- to the anti-flaming ABS material of preparation
94, V-0 grades, moreover, ABS material mechanical property is not damaged.
Embodiment 3
A kind of production technology of anti-flaming ABS material, using a kind of production system of anti-flaming ABS material described in embodiment 1,
The following steps are included:
(1) by SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus supply respectively SAN,
ABS, CPE, ACR raw material, and weighed with weighing equipment I, it is added in batch mixer I, is sufficiently mixed and uniformly obtains ABS functional tree
Rouge, then into batch mixer II；It is supplied respectively by EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus
EBS, flame retardant brominated polyphenylene oxide and auxiliary agent (auxiliary agent by hydrotalcite, talcum powder, antimony oxide, calcium stearate, to benzene two
Phenol, barium stearate composition), and weighed with weighing equipment II, it is added in batch mixer II, with the ABS functional tree in batch mixer II
Rouge is sufficiently mixed uniformly；
(2) the above-mentioned material mixed is added in double screw extruder, is warming up to 200 DEG C, material is made to be drawn into silk
Shape object makes material be cut into granular product using cutting machine；
(3) above-mentioned granular product is added in water-cooled screw conveyor and carries out cooling operation, then go to cooling
Continue to be cooled to 40 DEG C in kettle, be transferred in drying machine, be dried in vacuo at 80 DEG C, obtains product after dry and enter packing machine being wrapped
Dress.
Wherein, the parts by weight of each raw material are as follows in above-mentioned production technology: 37 parts of SAN, 22 parts of ABS, 24 parts of CPE,
It is 7 parts of ACR, 0.3 part of EBS, 3 parts of brominated polyphenylether, 0.03 part of hydrotalcite, 0.07 part of talcum powder, 0.04 part of antimony oxide, hard
0.03 part of resin acid calcium, 0.03 part of hydroquinone, 0.03 part of barium stearate.
The resulting anti-flaming ABS material of the present embodiment 3 is subjected to performance characterization, test result: tensile strength 42MPa, bending
Intensity 66MPa, 90 DEG C of heat distortion temperature, anti-flammability uL-94, V-O grade, not only anti-flammability reaches UL- to the anti-flaming ABS material of preparation
94, V-0 grades, moreover, ABS material mechanical property is not damaged.
Embodiment 4
A kind of production technology of anti-flaming ABS material, using a kind of production system of anti-flaming ABS material described in embodiment 1,
The following steps are included:
(1) by SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus supply respectively SAN,
ABS, CPE, ACR raw material, and weighed with weighing equipment I, it is added in batch mixer I, is sufficiently mixed and uniformly obtains ABS functional tree
Rouge, then into batch mixer II；It is supplied respectively by EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus
EBS, flame retardant brominated SBS and auxiliary agent (auxiliary agent by hydrotalcite, talcum powder, antimony oxide, calcium stearate, hydroquinone,
Barium stearate composition), and weighed with weighing equipment II, it is added in batch mixer II, is filled with the ABS functional resin in batch mixer II
Divide and is uniformly mixed；
(2) the above-mentioned material mixed is added in double screw extruder, is warming up to 200 DEG C, material is made to be drawn into silk
Shape object makes material be cut into granular product using cutting machine；
(3) above-mentioned granular product is added in water-cooled screw conveyor and carries out cooling operation, then go to cooling
Continue to be cooled to 40 DEG C in kettle, be transferred in drying machine, be dried in vacuo at 80 DEG C, obtains product after dry and enter packing machine being wrapped
Dress.
Wherein, the parts by weight of each raw material are as follows in above-mentioned production technology: 40 parts of SAN, 25 parts of ABS, 25 parts of CPE,
8 parts of ACR, 0.5 part of EBS, 5 parts of bromination SBS, 0.05 part of hydrotalcite, 0.1 part of talcum powder, 0.06 part of antimony oxide, tristearin
0.05 part of sour calcium, 0.05 part of hydroquinone, 0.05 part of barium stearate.
The resulting anti-flaming ABS material of the present embodiment 4 is subjected to performance characterization, test result: tensile strength 40MPa, bending
Intensity 65MPa, 89 DEG C of heat distortion temperature, anti-flammability uL-94, V-O grade, not only anti-flammability reaches UL- to the anti-flaming ABS material of preparation
94, V-0 grades, moreover, ABS material mechanical property is not damaged.
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. a kind of production system of anti-flaming ABS material, which is characterized in that including sequentially connected feeder apparatus I, weighing equipment I,
Batch mixer I, batch mixer II, double screw extruder, cutting machine, water-cooled screw conveyor, cooling reactor, drying machine and packing machine, institute
Stating feeder apparatus I includes SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus, and the SAN feed is set
Standby, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus output end connect with the input terminal of the weighing equipment I,
The output end of the weighing equipment I is connect with the input terminal of the batch mixer I, the output end and the mixing of the batch mixer I
The input terminal of machine II connects, and the output end of the batch mixer II is connect with the input terminal of the double screw extruder, double spiral shells
The output end of bar extruder is connect with the input terminal of the cutting machine, and the output end of the cutting machine and the water-cooling spiral convey
The input terminal of machine connects, and the output end of the water-cooled screw conveyor is connect with the input terminal of the cooling reactor, the cooling reactor
Output end connect with the input terminal of the drying machine, the output end of the drying machine is connect with the input terminal of the packing machine；
It further include feeder apparatus II and weighing equipment II, the feeder apparatus II includes EBS feeder apparatus, fire retardant feeder apparatus and helps
Agent feeder apparatus, the output end of the EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus are set with the weighing
The input terminal of standby II connects, and the output end of the weighing equipment II is connect with the input terminal of the batch mixer II.
2. a kind of production system of anti-flaming ABS material according to claim 1, which is characterized in that the fire retardant feed
Equipment is brominated polyphenylether feeder apparatus, FR-1025 feeder apparatus, any one in bromination SBS feeder apparatus, is respectively used to
Supply brominated polyphenylether, FR-1025 and bromination SBS.
3. a kind of production system of anti-flaming ABS material according to claim 1, which is characterized in that the auxiliary agent feed is set
It is ready for use on supply auxiliary agent, the auxiliary agent includes hydrotalcite, talcum powder, antimony oxide, calcium stearate, antioxidant, heat stabilizer.
4. a kind of production technology of anti-flaming ABS material, which is characterized in that using one kind described in claim 1-3 any one
The production system of anti-flaming ABS material, comprising the following steps:
(1) by SAN feeder apparatus, ABS feeder apparatus, CPE feeder apparatus, ACR feeder apparatus supply respectively SAN, ABS,
CPE, ACR raw material, and weighed with weighing equipment I, it is added in batch mixer I, is sufficiently mixed and uniformly obtains ABS functional resin, so
After enter in batch mixer II；EBS, resistance are supplied respectively by EBS feeder apparatus, fire retardant feeder apparatus and auxiliary agent feeder apparatus
Agent and auxiliary agent are fired, and is weighed with weighing equipment II, is added in batch mixer II, it is abundant with the ABS functional resin in batch mixer II
It is uniformly mixed；
(2) the above-mentioned material mixed is added in double screw extruder, is warming up to 200 DEG C, material is made to be drawn into filiform,
Material is set to be cut into granular product using cutting machine；
(3) above-mentioned granular product is added in water-cooled screw conveyor and carries out cooling operation, then gone in cooling reactor
Continue to be cooled to 40 DEG C, be transferred in drying machine, be dried in vacuo at 80 DEG C, obtains product after dry and enter packing machine being packed.
5. a kind of production technology of anti-flaming ABS material according to claim 4, which is characterized in that the fire retardant is bromine
Change polyphenylene oxide, FR-1025, any one in bromination SBS.
6. a kind of production technology of anti-flaming ABS material according to claim 4, which is characterized in that the auxiliary agent includes water
Talcum, talcum powder, antimony oxide, calcium stearate, antioxidant, heat stabilizer, the antioxidant is for oxidant 168 and to benzene
Any one in diphenol, the heat stabilizer are barium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751224.9A CN110452474A (en) | 2019-08-15 | 2019-08-15 | A kind of production system and technique of anti-flaming ABS material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751224.9A CN110452474A (en) | 2019-08-15 | 2019-08-15 | A kind of production system and technique of anti-flaming ABS material |
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| CN110452474A true CN110452474A (en) | 2019-11-15 |
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| CN201910751224.9A Withdrawn CN110452474A (en) | 2019-08-15 | 2019-08-15 | A kind of production system and technique of anti-flaming ABS material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606240A (en) * | 2020-12-02 | 2021-04-06 | 无锡弘润森化工科技有限公司 | Production method of ABS composite powder auxiliary agent |
| CN114770898A (en) * | 2022-05-17 | 2022-07-22 | 秦皇岛恒起科技有限公司 | PVB production equipment and process adopting single-screw extrusion |
-
2019
- 2019-08-15 CN CN201910751224.9A patent/CN110452474A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606240A (en) * | 2020-12-02 | 2021-04-06 | 无锡弘润森化工科技有限公司 | Production method of ABS composite powder auxiliary agent |
| CN114770898A (en) * | 2022-05-17 | 2022-07-22 | 秦皇岛恒起科技有限公司 | PVB production equipment and process adopting single-screw extrusion |
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Application publication date: 20191115 |