CN108676330A - A kind of halogen-free anti-flaming PBT composite and preparation method thereof - Google Patents
A kind of halogen-free anti-flaming PBT composite and preparation method thereof Download PDFInfo
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- CN108676330A CN108676330A CN201810375176.3A CN201810375176A CN108676330A CN 108676330 A CN108676330 A CN 108676330A CN 201810375176 A CN201810375176 A CN 201810375176A CN 108676330 A CN108676330 A CN 108676330A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08L2201/02—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
- C08L2201/22—Halogen free composition
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention belongs to field of material technology, more particularly to a kind of composite material and preparation method.It is an object of the invention to overcome the deficiencies of the prior art and provide one kind having high glowing filament ignition temperature, can meet the halogen-free anti-flaming PBT composite of thin-walled electric equipment products especially relay1 case requirement.A kind of halogen-free anti-flaming PBT composite designed by the present invention, comprises the following raw materials by weight percent：PBT resin 30% 50%, compounding halogen-free flame retardants 20% 30%, toughener 2% 6%, glass fibre 25% 35%, antioxidant 0.2% 0.6%, lubricant 0.3% 0.8%.PBT composite prepared by the present invention has halogen-free flameproof (0.8mmV0), high glowing filament ignition temperature (GWIT：750 DEG C/0.4~3.2mm), the requirement of thin-walled electric equipment products especially relay1 case can be met.
Description
Technical field
The invention belongs to field of material technology, more particularly to a kind of composite material and preparation method.
Background technology
PBT be it is a kind of it is translucent arrive opaque creamy white crystals thermoplastic polyester, be five large-engineering plastics it is important at
One of member.It has excellent mechanical performance, electrical property, heat resistance, wearability, chemical resistance, formability and good size
Stability is widely used in the fields such as electronic apparatus, automobile, machinery.Due to the These characteristics of PBT, enhancing flame-retardant PBT is extensive
Applied to field of electronics such as capacitor, relays.It is stepped up with the development of science and technology with living standards of the people, household
Intelligence will realize gradually, and when use, uncared for electrical equipment also will be increasing, therefore the companies such as beautiful, Gree are successively
It is proposed the requirement that meet high glowing filament ignition temperature to the electronic apparatus plastic part that household electrical appliance use.In addition, with complete
To the pay attention to day by day of environmental protection, the non-halogen of fire proofing is already development trend in the world.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind having high glowing filament ignition temperature, can be with
Meet the halogen-free anti-flaming PBT composite of thin-walled electric equipment products especially relay1 case requirement.
In order to achieve the above object, a kind of halogen-free anti-flaming PBT composite designed by the present invention, by following weight percent
The raw material of ratio forms：
Preferably, above-mentioned PBT is pet resin, inherent viscosity 1.0dL/g；
Preferably, made of above-mentioned compounding halogen-free flame retardants is melamine cyanurate MCA and hypo-aluminum orthophosphate compounding
Environmentally friendly phosphorus-nitrogen containing flame retardant；
Preferably, above-mentioned glass fibre is alkali-free glass fibre, the fiberglass surfacing is by silane coupling agent
Reason, filament diameter are 11 microns；
Preferably, above-mentioned toughener is ethylene methyl acrylate graft glycidyl methacrylate；
Preferably, above-mentioned antioxidant is Hinered phenols antioxidant 1010 or phosphite ester kind antioxidant 168；
Preferably, the maleic anhydride that above-mentioned lubricant is a kind of Ultra-low molecular weight is grafted LDPE；
It is a further object of the present invention to provide a kind of preparation methods of halogen-free anti-flaming PBT composite, including following specific
Step：
1, the various raw materials in addition to glass fibre are weighed by weight percentage；
2, the PBT resin weighed up is first premixed 2 minutes with white oil in high mixer, then the group that other are weighed up with fire retardant etc.
Part discharges after mixing 3 minutes again；Through double screw extruder extruding pelletization, glass fibre claims to be added by side feeding through weightlessness, double spiral shells
The processing temperature that each section of bar extruder is respectively (since feeding section)：160℃、220℃、235℃、235℃、240℃、235
DEG C, 230 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature be 240 DEG C, screw speed 300r/min；
3, cooling, air-dried, pelletizing carried out to the material of extrusion, be packaged to be finished product.
Compared with prior art, the present invention has the advantages that：
PBT composite prepared by the present invention has halogen-free flameproof (0.8mmV0), high glowing filament ignition temperature (GWIT：
750 DEG C/0.4~3.2mm), the requirement of thin-walled electric equipment products especially relay1 case can be met.
Specific implementation mode
Embodiment 1
A kind of halogen-free anti-flaming PBT composite, comprises the following raw materials by weight percent：
Above-mentioned PBT is pet resin, inherent viscosity 1.0dL/g；
Environmentally friendly phosphorus nitrogen system made of above-mentioned compounding halogen-free flame retardants is melamine cyanurate MCA and hypo-aluminum orthophosphate compounding
Fire retardant；
Above-mentioned glass fibre is alkali-free glass fibre, which is handled by silane coupling agent, and monofilament is straight
Diameter is 11 microns；
Above-mentioned toughener is ethylene methyl acrylate graft glycidyl methacrylate；
Above-mentioned antioxidant is Hinered phenols antioxidant 1010；
Above-mentioned lubricant is that a kind of maleic anhydride of Ultra-low molecular weight is grafted LDPE；
It is prepared via a method which to obtain：
1, the various raw materials in addition to glass fibre are weighed by weight percentage；
2, the PBT resin weighed up is first premixed 2 minutes with white oil in high mixer, then the group that other are weighed up with fire retardant etc.
Part discharges after mixing 3 minutes again；Through double screw extruder extruding pelletization, glass fibre claims to be added by side feeding through weightlessness, double spiral shells
The processing temperature that each section of bar extruder is respectively (since feeding section)：160℃、220℃、235℃、235℃、240℃、235
DEG C, 230 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature be 240 DEG C, screw speed 300r/min；
3, cooling, air-dried, pelletizing carried out to the material of extrusion, be packaged to be finished product.
Embodiment 2
A kind of halogen-free anti-flaming PBT composite, comprises the following raw materials by weight percent：
Above-mentioned PBT is pet resin, inherent viscosity 1.0dL/g；
Environmentally friendly phosphorus nitrogen system made of above-mentioned compounding halogen-free flame retardants is melamine cyanurate MCA and hypo-aluminum orthophosphate compounding
Fire retardant；
Above-mentioned glass fibre is alkali-free glass fibre, which is handled by silane coupling agent, and monofilament is straight
Diameter is 11 microns；
Above-mentioned toughener is ethylene methyl acrylate graft glycidyl methacrylate；
Above-mentioned antioxidant is Hinered phenols antioxidant 1010；
Above-mentioned lubricant is that a kind of maleic anhydride of Ultra-low molecular weight is grafted LDPE；
It is prepared via a method which to obtain：
1, the various raw materials in addition to glass fibre are weighed by weight percentage；
2, the PBT resin weighed up is first premixed 2 minutes with white oil in high mixer, then the group that other are weighed up with fire retardant etc.
Part discharges after mixing 3 minutes again；Through double screw extruder extruding pelletization, glass fibre claims to be added by side feeding through weightlessness, double spiral shells
The processing temperature that each section of bar extruder is respectively (since feeding section)：160℃、220℃、235℃、235℃、240℃、235
DEG C, 230 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature be 240 DEG C, screw speed 300r/min；
3, cooling, air-dried, pelletizing carried out to the material of extrusion, be packaged to be finished product.
Embodiment 3
A kind of halogen-free anti-flaming PBT composite, comprises the following raw materials by weight percent：
Above-mentioned PBT is pet resin, inherent viscosity 1.0dL/g；
Environmentally friendly phosphorus nitrogen system made of above-mentioned compounding halogen-free flame retardants is melamine cyanurate MCA and hypo-aluminum orthophosphate compounding
Fire retardant；
Above-mentioned glass fibre is alkali-free glass fibre, which is handled by silane coupling agent, and monofilament is straight
Diameter is 11 microns；
Above-mentioned toughener is ethylene methyl acrylate graft glycidyl methacrylate；
Above-mentioned antioxidant is phosphite ester kind antioxidant 168；
Above-mentioned lubricant is that a kind of maleic anhydride of Ultra-low molecular weight is grafted LDPE；
It is prepared via a method which to obtain：
1, the various raw materials in addition to glass fibre are weighed by weight percentage；
2, the PBT resin weighed up is first premixed 2 minutes with white oil in high mixer, then the group that other are weighed up with fire retardant etc.
Part discharges after mixing 3 minutes again；Through double screw extruder extruding pelletization, glass fibre claims to be added by side feeding through weightlessness, double spiral shells
The processing temperature that each section of bar extruder is respectively (since feeding section)：160℃、220℃、235℃、235℃、240℃、235
DEG C, 230 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature be 240 DEG C, screw speed 300r/min；
3, cooling, air-dried, pelletizing carried out to the material of extrusion, be packaged to be finished product.
The performance test correction data of halogen free flame-retardant reinforced PBT material of the present invention and existing halogen free flame-retardant reinforced PBT material
It is as follows：
| Project | Testing standard | Condition | PBT of the present invention | Existing PBT |
| Proportion | ASTM D792 | 23℃ | 1.6 | 1.6 |
| Tensile strength | ASTM D638 | 50mm/min | 95 | 80 |
| Bending strength | ASTM D790 | 2mm/min | 150 | 140 |
| Bending modulus | ASTM D790 | 2mm/min | 8800 | 8600 |
| Notch impact strength | ASTM D256 | 23℃ | 8.8 | 7.5 |
| Anti-flammability | UL94 | 23℃ | 0.8mm-V-O | 1.6mm-V-O |
| Glow wire temperature | IEC 60695 | ---- | 850℃ | 750℃ |
PBT composite prepared by the present invention has halogen-free flameproof (0.8mmV0), high glowing filament ignition temperature (GWIT：
750 DEG C/0.4~3.2mm), the requirement of thin-walled electric equipment products especially relay1 case can be met.
Claims (8)
1. a kind of halogen-free anti-flaming PBT composite, it is characterised in that：It comprises the following raw materials by weight percent：
2. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The PBT resin is poly-
Ethylene glycol terephthalate resin, inherent viscosity 1.0dL/g.
3. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The compounding Halogen resistance
Fire environmentally friendly phosphorus-nitrogen containing flame retardant made of agent is melamine cyanurate MCA and hypo-aluminum orthophosphate compounding.
4. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The glass fibre is
Alkali-free glass fibre, the fiberglass surfacing are handled by silane coupling agent, and filament diameter is 11 microns.
5. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The toughener is second
Allyl e pioic acid methyl ester graft glycidyl methacrylate.
6. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The antioxidant be by
Hinder phenolic antioxidant 1010 or phosphite ester kind antioxidant 168.
7. a kind of halogen-free anti-flaming PBT composite according to claim 1, it is characterised in that：The lubricant is one
The maleic anhydride of kind Ultra-low molecular weight is grafted LDPE.
8. a kind of preparation method of halogen-free anti-flaming PBT composite as described in claim 1, it is characterised in that：Including having as follows
Body step：
(1) the various raw materials in addition to glass fibre are weighed by weight percentage；
(2) PBT resin weighed up is first premixed 2 minutes with white oil in high mixer, then the component that other are weighed up with fire retardant etc.
It discharges after mixing 3 minutes again；Through double screw extruder extruding pelletization, glass fibre claims to be added by side feeding through weightlessness, twin-screw
The processing temperature that each section of extruder is respectively (since feeding section)：160℃、220℃、235℃、235℃、240℃、235℃、
230 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, head temperature is 240 DEG C, screw speed 300r/min；
(3) cooling, air-dried, pelletizing carried out to the material of extrusion, be packaged to be finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375176.3A CN108676330A (en) | 2018-04-24 | 2018-04-24 | A kind of halogen-free anti-flaming PBT composite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810375176.3A CN108676330A (en) | 2018-04-24 | 2018-04-24 | A kind of halogen-free anti-flaming PBT composite and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108676330A true CN108676330A (en) | 2018-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810375176.3A Pending CN108676330A (en) | 2018-04-24 | 2018-04-24 | A kind of halogen-free anti-flaming PBT composite and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358269A (en) * | 2019-07-31 | 2019-10-22 | 广东美的厨房电器制造有限公司 | Electric elements plastics composite, plastics and its preparation method and application and electric elements |
| CN113736221A (en) * | 2020-05-28 | 2021-12-03 | 中蓝晨光化工研究设计院有限公司 | Halogen-free flame-retardant reinforced PBT (polybutylene terephthalate) modified material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100168290A1 (en) * | 2008-12-30 | 2010-07-01 | Ding Tianhua | Reinforced polyester compositions, method of manufacture, and articles thereof |
| CN104419141A (en) * | 2013-09-05 | 2015-03-18 | 青岛欣展塑胶有限公司 | Glass fiber reinforced halogen-free flame retardant and antistatic PBT/PET alloy |
| CN104744901A (en) * | 2015-04-09 | 2015-07-01 | 南通市东方塑胶有限公司 | Halogen-free flame retardant PBT composite material with high glowing filament initiation temperature and preparation method thereof |
-
2018
- 2018-04-24 CN CN201810375176.3A patent/CN108676330A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100168290A1 (en) * | 2008-12-30 | 2010-07-01 | Ding Tianhua | Reinforced polyester compositions, method of manufacture, and articles thereof |
| CN104419141A (en) * | 2013-09-05 | 2015-03-18 | 青岛欣展塑胶有限公司 | Glass fiber reinforced halogen-free flame retardant and antistatic PBT/PET alloy |
| CN104744901A (en) * | 2015-04-09 | 2015-07-01 | 南通市东方塑胶有限公司 | Halogen-free flame retardant PBT composite material with high glowing filament initiation temperature and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358269A (en) * | 2019-07-31 | 2019-10-22 | 广东美的厨房电器制造有限公司 | Electric elements plastics composite, plastics and its preparation method and application and electric elements |
| CN113736221A (en) * | 2020-05-28 | 2021-12-03 | 中蓝晨光化工研究设计院有限公司 | Halogen-free flame-retardant reinforced PBT (polybutylene terephthalate) modified material and preparation method thereof |
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Application publication date: 20181019 |