CN104693757A - Blending alloy of regenerated PC and PBT - Google Patents
Blending alloy of regenerated PC and PBT Download PDFInfo
- Publication number
- CN104693757A CN104693757A CN201310663173.7A CN201310663173A CN104693757A CN 104693757 A CN104693757 A CN 104693757A CN 201310663173 A CN201310663173 A CN 201310663173A CN 104693757 A CN104693757 A CN 104693757A
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- Prior art keywords
- pbt
- regenerated
- regeneration
- blend alloy
- regenerating
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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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- 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
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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
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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
-
- 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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a blending alloy of a regenerated PC and PBT. The blending alloy of the regenerated PC and PBT comprises the following components by weight percent: 20-70% of regenerated PC, 20-70% of regenerated PBT, 5-10% of glass fibre, 5-10% of main fire retardant, 2-4% of assist fire retardant, 0.1-1% of chain extender, 0.1-1% of triphenyl phosphate, 1-3% of compatilizer, 0.1-0.5% of antioxidant and 0.1-1% of lubricant. The blending alloy of the regenerated PC and PBT has the beneficial effects of good mechanical property, high flame retardant property and heat-resistant quality, and also has good surface gloss, high tracking resistant index and excellent electricity performance and chemical performance, so that the cost in the fields of electric products, mechanical equipments, automobile industries and building materials can be greatly reduced, the positive effects for reducing the environment pollution and recycling the resources can be obtained.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of blend alloy regenerating PC and PBT.
Background technology
Polycarbonate (PC) and polybutylene terephthalate (PBT) all belong to general engineering plastic, and along with the fast development of plastic cement industry and the continuous expansion of industrialized scale, the environmental pollution that causes of waste is also increasing separately for PC and PBT, and the destruction that they bring ecotope and Economic development and loss have become social concern urgently to be resolved hurrily.Carry out blended after PC and PBT waste or waste material being added recovery, can obtain the polymer secondary alloy plastics that a kind of performance is excellent, price is low, in electronic apparatus, automobile, component of machine, small stores etc., application has good practical value and prospect.But, owing to differing in the source of PC, PET waste or waste material, and be through use procedure, its performance is compared with virgin material all can have more decline, be difficult to be directly used in engineering plastics, therefore, modification need be optimized to them, give cycling and reutilization to obtain high-performance with the alloy material having much practical value.
Summary of the invention
The object of the present invention is to provide a kind of blend alloy with regeneration PC and PBT of good flame-retardance energy and mechanical property.
The technical solution adopted for the present invention to solve the technical problems is: a kind of blend alloy regenerating PC and PBT, and its component by mass percent proportioning is: regeneration PC 20% ~ 70%, regeneration PBT 20% ~ 70%, glass fibre 5% ~ 10%, main flame retardant 5% ~ 10%, auxiliary fire retardant 2% ~ 4%, chainextender 0.1% ~ 1%, triphenyl phosphite 0.1% ~ 1%, compatilizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described regeneration PC be the PC waste material that reclaims through being separated, cleaning, broken, clean again, extruding pelletization is obtained after drying regeneration PC, described PC is polycarbonate plastic.
Described regeneration PBT be the PBT waste material that reclaims through being separated, cleaning, broken, clean again, extruding pelletization is obtained after drying regeneration PBT, described PBT is polybutylene terephthalate.
Described glass fibre is the alkali-free short glass fiber of surface after silane coupling agent process.
Described main flame retardant is the one in decabromodiphynly oxide, tetrabromo-bisphenol, dihydroxyphenyl propane-bis-(diphenyl phosphate), brominated polycarbonate oligomer.
Described auxiliary fire retardant is the one in antimonous oxide, magnesium hydroxide, aluminium hydroxide, zinc borate.
Described chainextender is pyromellitic dianhydride (PMDA).
Described compatilizer is the one in atactic styrene-maleic anhydride copolymer (SMA), ethylene-acrylate-copolymer-maleic anhydride (EMH), Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer (PTW).
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168 1:1 in mass ratio.
Described lubricant is modification ethylene bis-fatty acid amides (TAF) or pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of PC of regeneration and the blend alloy of PBT is: take dry regeneration PC, regeneration PBT, glass fibre, main flame retardant, auxiliary fire retardant, chainextender and other component by weight ratio, and add respectively in high-speed mixing, after making to stir together 10 ~ 30 minutes and reaching Homogeneous phase mixing, discharging adds in twin screw extruder, blending extrusion at 235 DEG C ~ 270 DEG C, screw speed is 120 ~ 300r/min, gets product through granulation.
The invention has the beneficial effects as follows, compared with prior art, a kind of blend alloy regenerating PC and PBT of the present invention, while maintenance has excellent mechanical performances, there is high flame resistance and high heat resistance energy, and surface gloss is good, the index of resistance to tracking is high, electrical property and chemical resistance good, apply and can significantly reduce costs in electronic apparatus, mechanical means, automotive industry, material of construction etc., and on reducing environmental pollution and resource reutilization has positive impact.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Regenerate a blend alloy of PC and PBT, its component by mass percent proportioning is: regeneration PC 45%, regeneration PBT 27%, alkali-free short glass fiber 10%, decabromodiphynly oxide 10%, antimonous oxide 2%, pyromellitic dianhydride (PMDA) 1%, triphenyl phosphite 1%, atactic styrene-maleic anhydride copolymer (SMA) 3%, antioxidant 1010 0.2%, the modification ethylene bis-fatty acid amides (TAF) 0.8% of surface after silane coupling agent process.Wherein, described regeneration PC be the PC waste material that reclaims through being separated, cleaning, broken, clean again, extruding pelletization is obtained after drying regeneration PC, described PC is polycarbonate plastic; Described regeneration PBT be the PBT waste material that reclaims through being separated, cleaning, broken, clean again, extruding pelletization is obtained after drying regeneration PBT, described PBT is polybutylene terephthalate.
Preparation method: take dry regeneration PC, regeneration PBT, alkali-free short glass fiber, decabromodiphynly oxide, antimonous oxide, pyromellitic dianhydride (PMDA) and other component of surface after silane coupling agent process by weight ratio, and add respectively in high-speed mixing, after making to stir together 10 ~ 30 minutes and reaching Homogeneous phase mixing, discharging adds in twin screw extruder, blending extrusion at 235 DEG C ~ 270 DEG C, screw speed is 120 ~ 300r/min, gets product through granulation.
Claims (6)
1. one kind regenerates the blend alloy of PC and PBT, it is characterized in that, its component by mass percent proportioning is: regeneration PC 20% ~ 70%, regeneration PBT 20% ~ 70%, glass fibre 5% ~ 10%, main flame retardant 5% ~ 10%, auxiliary fire retardant 2% ~ 4%, chainextender 0.1% ~ 1%, triphenyl phosphite 0.1% ~ 1%, compatilizer 1% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. a kind of blend alloy regenerating PC and PBT according to claim 1, is characterized in that, described main flame retardant is the one in decabromodiphynly oxide, tetrabromo-bisphenol, dihydroxyphenyl propane-bis-(diphenyl phosphate), brominated polycarbonate oligomer.
3. a kind of blend alloy regenerating PC and PBT according to claim 1, is characterized in that, described auxiliary fire retardant is the one in antimonous oxide, magnesium hydroxide, aluminium hydroxide, zinc borate.
4. a kind of blend alloy regenerating PC and PBT according to claim 1, is characterized in that, described chainextender is pyromellitic dianhydride (PMDA).
5. a kind of blend alloy regenerating PC and PBT according to claim 1, it is characterized in that, described compatilizer is the one in atactic styrene-maleic anhydride copolymer (SMA), ethylene-acrylate-copolymer-maleic anhydride (EMH), Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer (PTW).
6. a kind of preparation method regenerating the blend alloy of PC and PBT according to claim 1, it is characterized in that, comprise the following steps: take dry regeneration PC, regeneration PBT, glass fibre, main flame retardant, auxiliary fire retardant, chainextender and other component by weight ratio, and add respectively in high-speed mixing, after making to stir together 10 ~ 30 minutes and reaching Homogeneous phase mixing, discharging adds in twin screw extruder, blending extrusion at 235 DEG C ~ 270 DEG C, screw speed is 120 ~ 300r/min, gets product through granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663173.7A CN104693757A (en) | 2013-12-10 | 2013-12-10 | Blending alloy of regenerated PC and PBT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663173.7A CN104693757A (en) | 2013-12-10 | 2013-12-10 | Blending alloy of regenerated PC and PBT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104693757A true CN104693757A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310663173.7A Pending CN104693757A (en) | 2013-12-10 | 2013-12-10 | Blending alloy of regenerated PC and PBT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104693757A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810843A (en) * | 2017-02-13 | 2017-06-09 | 肇庆汇展塑料科技有限公司 | A kind of preparation method for regenerating fire-resistant engineering plastics |
| CN109294178A (en) * | 2018-09-21 | 2019-02-01 | 广州找塑料新材料科技有限公司 | PVA fiber reinforcement flame-retardant PBT-PC alloy composite materials and its preparation method and application |
| CN110174539A (en) * | 2019-07-09 | 2019-08-27 | 湖北周一电气股份有限公司 | Intelligent ammeter box |
-
2013
- 2013-12-10 CN CN201310663173.7A patent/CN104693757A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810843A (en) * | 2017-02-13 | 2017-06-09 | 肇庆汇展塑料科技有限公司 | A kind of preparation method for regenerating fire-resistant engineering plastics |
| CN109294178A (en) * | 2018-09-21 | 2019-02-01 | 广州找塑料新材料科技有限公司 | PVA fiber reinforcement flame-retardant PBT-PC alloy composite materials and its preparation method and application |
| CN110174539A (en) * | 2019-07-09 | 2019-08-27 | 湖北周一电气股份有限公司 | Intelligent ammeter box |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |
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| WD01 | Invention patent application deemed withdrawn after publication |